CA2391620A1 - Vessel occlusion clamp - Google Patents
Vessel occlusion clamp Download PDFInfo
- Publication number
- CA2391620A1 CA2391620A1 CA002391620A CA2391620A CA2391620A1 CA 2391620 A1 CA2391620 A1 CA 2391620A1 CA 002391620 A CA002391620 A CA 002391620A CA 2391620 A CA2391620 A CA 2391620A CA 2391620 A1 CA2391620 A1 CA 2391620A1
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- Prior art keywords
- jaw
- portions
- surgical clamp
- insert
- width
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/122—Clamps or clips, e.g. for the umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B2017/2808—Clamp, e.g. towel clamp
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
- A61B2017/2825—Inserts of different material in jaws
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Ophthalmology & Optometry (AREA)
- Reproductive Health (AREA)
- Vascular Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
A surgical clamp (10) for occluding a body conduit includes first (21) and second (23) jaws moveable relative to each other in a generally parallel relationship. A handle assembly (12, 14) is operable to move the jaws (21, 2 3) relative to each other between a space position and proximate position. The first jaw (21) has an elongate configuration characterized by a length and a width. First portions (29) of the first jaw (21) have in cross section a fir st shape which remains generally constant in area along the first jaw (21), whi le second portions (31) have in cross section a second shape which varies in ar ea along the length of the first jaw (21). The resulting clamp (10) has a low profile jaw (21, 23) design which dimensional-shaped cross section which provide increased stiffness and reduced flexibility.
Description
W~ 01/43623 CA 02391620 2002-05-14 VESSEL OCCLUSION CLAMP
Background of the Invention Field of the Invention This invention relates generally to surgical clamps, and more specifically to blood vessel occlusion clamps.
Discussion of the Prior Art to Surgical occlusion clamps are commonly used to close off or occlude body conduits, such as blood vessels. A common variety of vessel occlusion clamp is that referred to as a "Bahnson" clamp, which has small metal handles that operate a pair of opposing jaws.
When the jaws are brought into close proximity on either side of a vessel, the vessel is squeezed against itself to achieve at least partial occlusion. It is of particular importance that the jaws of 15 the clamp be stable, and sufficiently inflexible that the jaws do not cross over or scissor, but rather press directly against each other along their length to occlude any conduit disposed between the jaws.
It is also desirable to have a thin, low-profile jaw design that can access narrow areas. In the past, this desire for a low-profile design has worked against the need for stability in 2o the jaws. Jaw inserts have been provided, but typically have had exposed edges, ends, and corners, which tend to entrap or entangle surgical sutures.
Summary of the Invention 25 In accordance with the present invention, a vessel occlusion clamp of the Bahnson type is provided with improved stability and reduced flexibility, while maintaining a low-profile jaw design. In a preferred embodiment of the clamp, the jaws are provided with a receding or tapered T-beam cross section, which greatly reduces the bendibility or flexibility of the jaws.
Other dimensional-shaped cross sections of interest include a U-beam cross section, an I-beam 3o cross section, a trapezoidal I-beam cross section, a continuous or whole-length T-beam cross section, a B-channel cross section, and an L-beam cross section. With the dimensional-shaped, greatly reduced. In addition, the transverse members forming the beam cross sections can be relied on to provide shielding of the jaw insert edges. This shielding prevents entrapment or entanglement of surgical sutures. Scallops or hollowed recesses can be provided in the jaws to facilitate installation and removal of the inserts without degrading structural jaw stability.
In one aspect of the invention a surgical clamp is adapted for use in occluding a body conduit. The clamp includes a first jaw, and a second jaw movable relative to the first jaw in a generally parallel relationship. A handle assembly is operable to move the first and second jaws relative to each other between a spaced position and a proximate position. The first jaw has an elongate configuration characterized by a length and a width. First portions of the first jaw 1o have in radial cross section a first shape which remains generally constant in area along the length of the first jaw. Second portions of the first jaw have in cross section a second shape which changes in area along the length of the first jaw. The first portions will typically have a first width while the second portions will have a second width greater than the first width. An insert is adapted to be removably mounted on the first portions with the second portions 15 extending laterally of the insert.
In a further aspect of the invention, the surgical clamp includes a handle assembly and a pair of opposing jaws movable by the handle assembly in a plane of operation between a spaced orientation, wherein the jaws are spread to recede the body conduit, and a proximal orientation wherein the jaws are substantially closed to occlude the body conduit. At least one of 2o the jaws has in cross section a non-rectangular configuration. An insert having a first width is carried by first portions of the jaw which have a second width. Second portions of the jaw have a third width which defines with the first portions the thickness of the jaw.
The first width of the insert is less than the third width of the second portions and greater than the second width of the first portions.
25 These and other features and advantageous of the invention will be better understood with a description of preferred embodiments and reference to the associated drawings.
Background of the Invention Field of the Invention This invention relates generally to surgical clamps, and more specifically to blood vessel occlusion clamps.
Discussion of the Prior Art to Surgical occlusion clamps are commonly used to close off or occlude body conduits, such as blood vessels. A common variety of vessel occlusion clamp is that referred to as a "Bahnson" clamp, which has small metal handles that operate a pair of opposing jaws.
When the jaws are brought into close proximity on either side of a vessel, the vessel is squeezed against itself to achieve at least partial occlusion. It is of particular importance that the jaws of 15 the clamp be stable, and sufficiently inflexible that the jaws do not cross over or scissor, but rather press directly against each other along their length to occlude any conduit disposed between the jaws.
It is also desirable to have a thin, low-profile jaw design that can access narrow areas. In the past, this desire for a low-profile design has worked against the need for stability in 2o the jaws. Jaw inserts have been provided, but typically have had exposed edges, ends, and corners, which tend to entrap or entangle surgical sutures.
Summary of the Invention 25 In accordance with the present invention, a vessel occlusion clamp of the Bahnson type is provided with improved stability and reduced flexibility, while maintaining a low-profile jaw design. In a preferred embodiment of the clamp, the jaws are provided with a receding or tapered T-beam cross section, which greatly reduces the bendibility or flexibility of the jaws.
Other dimensional-shaped cross sections of interest include a U-beam cross section, an I-beam 3o cross section, a trapezoidal I-beam cross section, a continuous or whole-length T-beam cross section, a B-channel cross section, and an L-beam cross section. With the dimensional-shaped, greatly reduced. In addition, the transverse members forming the beam cross sections can be relied on to provide shielding of the jaw insert edges. This shielding prevents entrapment or entanglement of surgical sutures. Scallops or hollowed recesses can be provided in the jaws to facilitate installation and removal of the inserts without degrading structural jaw stability.
In one aspect of the invention a surgical clamp is adapted for use in occluding a body conduit. The clamp includes a first jaw, and a second jaw movable relative to the first jaw in a generally parallel relationship. A handle assembly is operable to move the first and second jaws relative to each other between a spaced position and a proximate position. The first jaw has an elongate configuration characterized by a length and a width. First portions of the first jaw 1o have in radial cross section a first shape which remains generally constant in area along the length of the first jaw. Second portions of the first jaw have in cross section a second shape which changes in area along the length of the first jaw. The first portions will typically have a first width while the second portions will have a second width greater than the first width. An insert is adapted to be removably mounted on the first portions with the second portions 15 extending laterally of the insert.
In a further aspect of the invention, the surgical clamp includes a handle assembly and a pair of opposing jaws movable by the handle assembly in a plane of operation between a spaced orientation, wherein the jaws are spread to recede the body conduit, and a proximal orientation wherein the jaws are substantially closed to occlude the body conduit. At least one of 2o the jaws has in cross section a non-rectangular configuration. An insert having a first width is carried by first portions of the jaw which have a second width. Second portions of the jaw have a third width which defines with the first portions the thickness of the jaw.
The first width of the insert is less than the third width of the second portions and greater than the second width of the first portions.
25 These and other features and advantageous of the invention will be better understood with a description of preferred embodiments and reference to the associated drawings.
Description of the Drawings Fig. 1 is a front side perspective view of a vessel occlusion clamp of the Bahnson type, illustrating disposable inserts mounted on parallel jaws having a dimensional-shaped, cross section design;
Fig. 2 is a perspective view similar to Fig. l, showing the jaws with the disposable inserts removed;
Fig. 3 is a side-elevation view of a clamp jaw illustrating a tapered, T-beam cross section;
Fig. 4 is a cross section view taken along lines A-A of Fig. 3;
Fig. 5 is a cross section view taken along lines B-B of Fig. 3;
Fig. 6 is a cross section view similar to Fig. S and illustrating a trapezoidal I-beam cross section;
Fig. 7 is a cross section view similar to Fig. 5 and illustrating a U-channel cross section;
Fig. 8 is a cross section view similar to Fig. 5 and illustrating a V-beam cross secrion;
Fig. 9 is a cross section view similar to Fig. 5 and illustrating an I-beam cross section; and 2o Fig. 10 is a cross section view similar to Fig. S and illustrating an L-beam cross secrion.
W~ 01/43623 CA 02391620 2002-05-14 Description of Preferred Embodiment A vascular occlusion clamp of the Bahnson type is illustrated in Figure 1 and designated generally by the referenced numeral 10. The clamp 10 includes a pair of handles 12 and 14 with a ratchet lock 16, which pivot on a fulcrum 18 to move jaws 21 and 23 in a generally parallel relationship. Disposable inserts 25 and 27 are removably mounted on the associated jaws 21, 23. In Figure 2, the inserts 25 and 27 have been removed in order to illustrate the dimensional-shaped design of the jaws 21 and 23. From this view it can be seen that the jaws 21 and 23 extend along a Z axis but move generally along an X axis. The width of the jaws is 1o measured along a Y axis. Thus the jaws having a length along the Z axis, a width along the Y
axis, and a thickness along the X axis.
This dimensional-shaped design is further illustrated in the side-elevation view of Figure 3 and the associated cross sectional views of Figures 4 and 5. The side elevation view of Figure 3 is drawn in the YZ plane while the cross sectional views of Figures 4 and 5 are drawn in the XY plane. In all of the cross sectional views of Figures 4-10, a preferred disposition of the associated insert 25 is illustrated in dotted lines.
In this embodiment, the jaw 21 has an engagement section 29 with a generally constant profile along its length. This engagement section 29 is intended to occupy a channel within the associated insert 25. The jaw 21 also includes a support section 31 which, in cross 2o section forms a T with the elongate section 29. It is this support section 31 that provides this embodiment with its dimensional-shaped structure. In this case, the support section 31 tapers from a narrow width at the distal end of the jaw 21 to a maximum width near the proximal end of the jaw 21. With this dimensional-shaped configuration, the cross section of the jaw 21 is provided with substantially increased beam stiffness along the X axis and reduced transverse deflection along the Y axis.
The support section 31 can also be relied on to shield the edges, ends, and corners of the insert 25 that can entrap or entangle surgical sutures. With the shielding provided by these transverse elements, the edges, ends, and corners are not as prominent. While this prevents entrapment of surgical sutures, it can also make it more difficult to remove the 3o inserts 25 and 27 for disposal. It is for this reason that the embodiment of Figure 3 is provided with scallops or hollow recesses 33 and 35, which provide shallow access to a proximal edge of each insert. With these recesses 33 and 35 provided in proximity to counterbored pin recesses 37, 39 (Figure 2), the inserts 25 and 27 can be easily engaged and removed.
Other dimensional-shaped cross sectional designs providing these advantages are illustrated in Figures 6-10. Each of these non-rectangular shaped cross sections provide increased beam stiffness and reduce transverse deflection, compared to the rectangular cross sections of prior designs.
In the embodiment of Figure 6, the jaw 21 has a trapezoidal I-beam shape characterized by an inner flange 41 joined to an outer flange 43 by a center flange 45. In this to case, the inner flange 41 and the center flange 45 formed the engagement section 29 which is disposed in the channel of the insert 25. The outer flange 43 forms the support section 31 and maintains an abutting relationship with the insert 25. This I-beam shape has a trapezoidal configuration in that the inner flange 41 has a width less than the outer flange 43.
In the embodiment of Figure 7, the jaw 21 in cross section has a generally U-15 shaped configuration. A center flange 50 is supported by two side flanges 52 and 54 which extend to outwardly directed flanges 56 and 58 respectively. In this embodiment, the center flange 50 and side flanges 52 and 54 form the engagement section 29 while the outwardly directed flanges 56 and 58 form the support section 31. As in previously embodiments, the engagement section 29 is received within a center channel of the insert 25 while the support 2o section 31 is disposed in an abutting relationship with the insert 25.
The embodiment of Figure 8 includes a jaw 21 having in cross section a V-shaped configuration. This embodiment includes a top flange 61 supported by side flanges 63 and 65 which extend to outwardly directed flanges 67 and 69, respectively. In this embodiment, the side flanges 63 and 65 are disposed at an acute angle with respect to the top flange 61 and are also 2, disposed at an angle with respect to each other. The top flange 61 and side flanges 63 and 65 form the engagement section 29 and are adapted to be disposed within a channel of the insert 25.
The outwardly directed flanges 67 and 69 form the support section 31 and are disposed in an abutting relationship with the insert 25.
Fig. 2 is a perspective view similar to Fig. l, showing the jaws with the disposable inserts removed;
Fig. 3 is a side-elevation view of a clamp jaw illustrating a tapered, T-beam cross section;
Fig. 4 is a cross section view taken along lines A-A of Fig. 3;
Fig. 5 is a cross section view taken along lines B-B of Fig. 3;
Fig. 6 is a cross section view similar to Fig. S and illustrating a trapezoidal I-beam cross section;
Fig. 7 is a cross section view similar to Fig. 5 and illustrating a U-channel cross section;
Fig. 8 is a cross section view similar to Fig. 5 and illustrating a V-beam cross secrion;
Fig. 9 is a cross section view similar to Fig. 5 and illustrating an I-beam cross section; and 2o Fig. 10 is a cross section view similar to Fig. S and illustrating an L-beam cross secrion.
W~ 01/43623 CA 02391620 2002-05-14 Description of Preferred Embodiment A vascular occlusion clamp of the Bahnson type is illustrated in Figure 1 and designated generally by the referenced numeral 10. The clamp 10 includes a pair of handles 12 and 14 with a ratchet lock 16, which pivot on a fulcrum 18 to move jaws 21 and 23 in a generally parallel relationship. Disposable inserts 25 and 27 are removably mounted on the associated jaws 21, 23. In Figure 2, the inserts 25 and 27 have been removed in order to illustrate the dimensional-shaped design of the jaws 21 and 23. From this view it can be seen that the jaws 21 and 23 extend along a Z axis but move generally along an X axis. The width of the jaws is 1o measured along a Y axis. Thus the jaws having a length along the Z axis, a width along the Y
axis, and a thickness along the X axis.
This dimensional-shaped design is further illustrated in the side-elevation view of Figure 3 and the associated cross sectional views of Figures 4 and 5. The side elevation view of Figure 3 is drawn in the YZ plane while the cross sectional views of Figures 4 and 5 are drawn in the XY plane. In all of the cross sectional views of Figures 4-10, a preferred disposition of the associated insert 25 is illustrated in dotted lines.
In this embodiment, the jaw 21 has an engagement section 29 with a generally constant profile along its length. This engagement section 29 is intended to occupy a channel within the associated insert 25. The jaw 21 also includes a support section 31 which, in cross 2o section forms a T with the elongate section 29. It is this support section 31 that provides this embodiment with its dimensional-shaped structure. In this case, the support section 31 tapers from a narrow width at the distal end of the jaw 21 to a maximum width near the proximal end of the jaw 21. With this dimensional-shaped configuration, the cross section of the jaw 21 is provided with substantially increased beam stiffness along the X axis and reduced transverse deflection along the Y axis.
The support section 31 can also be relied on to shield the edges, ends, and corners of the insert 25 that can entrap or entangle surgical sutures. With the shielding provided by these transverse elements, the edges, ends, and corners are not as prominent. While this prevents entrapment of surgical sutures, it can also make it more difficult to remove the 3o inserts 25 and 27 for disposal. It is for this reason that the embodiment of Figure 3 is provided with scallops or hollow recesses 33 and 35, which provide shallow access to a proximal edge of each insert. With these recesses 33 and 35 provided in proximity to counterbored pin recesses 37, 39 (Figure 2), the inserts 25 and 27 can be easily engaged and removed.
Other dimensional-shaped cross sectional designs providing these advantages are illustrated in Figures 6-10. Each of these non-rectangular shaped cross sections provide increased beam stiffness and reduce transverse deflection, compared to the rectangular cross sections of prior designs.
In the embodiment of Figure 6, the jaw 21 has a trapezoidal I-beam shape characterized by an inner flange 41 joined to an outer flange 43 by a center flange 45. In this to case, the inner flange 41 and the center flange 45 formed the engagement section 29 which is disposed in the channel of the insert 25. The outer flange 43 forms the support section 31 and maintains an abutting relationship with the insert 25. This I-beam shape has a trapezoidal configuration in that the inner flange 41 has a width less than the outer flange 43.
In the embodiment of Figure 7, the jaw 21 in cross section has a generally U-15 shaped configuration. A center flange 50 is supported by two side flanges 52 and 54 which extend to outwardly directed flanges 56 and 58 respectively. In this embodiment, the center flange 50 and side flanges 52 and 54 form the engagement section 29 while the outwardly directed flanges 56 and 58 form the support section 31. As in previously embodiments, the engagement section 29 is received within a center channel of the insert 25 while the support 2o section 31 is disposed in an abutting relationship with the insert 25.
The embodiment of Figure 8 includes a jaw 21 having in cross section a V-shaped configuration. This embodiment includes a top flange 61 supported by side flanges 63 and 65 which extend to outwardly directed flanges 67 and 69, respectively. In this embodiment, the side flanges 63 and 65 are disposed at an acute angle with respect to the top flange 61 and are also 2, disposed at an angle with respect to each other. The top flange 61 and side flanges 63 and 65 form the engagement section 29 and are adapted to be disposed within a channel of the insert 25.
The outwardly directed flanges 67 and 69 form the support section 31 and are disposed in an abutting relationship with the insert 25.
The embodiment of Figure 9 includes a jaw 21, having in cross section an I-Beam shape similar to that of Figure 6. Thus, the jaw 21 has a top flange 72, joined to a bottom flange 74 by a center flange 76. In this embodiment, the top flange 72 has the same width as the bottom flange 74, but a greater thickness than the bottom flange 74. Also, the flanges 72, 74 and 76 are all disposed within the channel of the insert 25. Accordingly, these three flanges in the illustrated embodiment form the engagement section 29 of the jaw 21.
In the embodiment of Figure 10, the jaw 21 in cross section has a U-shaped configuration. This embodiment is characterized by a bottom flange 81, side flanges 83 and 85, and a center flange 87. The side flanges 83 and 85 are equally spaced from the bottom flange 87 1 o and extend from a side of the bottom flange 81, opposite to that of the center flange 87.
Outwardly directed flanges 89 and 91 extend from the bottom flange 81 outwardly of the side flanges 83 and 85. In this embodiment, portions of the bottom flange 81 together with the side flanges 83 and 85 form the engagement section 29. The remaining portions of the bottom flange 81 together with the outwardly directed flanges 89 and 91 and the bottom flange 87 form the support section 31.
The resulting clamp 10 maintains the desired low profile jaw design, while the dimensional-shaped cross sections provide increased stiffness and reduced flexibility. As a result, transverse deflection is substantially avoided. The dimensional-shaped cross section also provides shielding to prevent entanglement of surgical sutures, while the scalloped and hollowed 2o recessed 33 and 35 facilitate removal of the inserts 25 and 27.
Many alterations and modifications can be made to the foregoing preferred embodiments without departing from the spirit and scope of the invention.
Therefore it must be understood that the illustrated embodiments have been set forth only by way of example, and should not be taken as limiting the invention. For example, notwithstanding the fact that the 2s claims set forth below recite certain elements and combinations, it must be expressly understood that the invention includes other combinations of fewer, more or different elements, which are not disclosed above even when not initially claimed in such combinations.
In the embodiment of Figure 10, the jaw 21 in cross section has a U-shaped configuration. This embodiment is characterized by a bottom flange 81, side flanges 83 and 85, and a center flange 87. The side flanges 83 and 85 are equally spaced from the bottom flange 87 1 o and extend from a side of the bottom flange 81, opposite to that of the center flange 87.
Outwardly directed flanges 89 and 91 extend from the bottom flange 81 outwardly of the side flanges 83 and 85. In this embodiment, portions of the bottom flange 81 together with the side flanges 83 and 85 form the engagement section 29. The remaining portions of the bottom flange 81 together with the outwardly directed flanges 89 and 91 and the bottom flange 87 form the support section 31.
The resulting clamp 10 maintains the desired low profile jaw design, while the dimensional-shaped cross sections provide increased stiffness and reduced flexibility. As a result, transverse deflection is substantially avoided. The dimensional-shaped cross section also provides shielding to prevent entanglement of surgical sutures, while the scalloped and hollowed 2o recessed 33 and 35 facilitate removal of the inserts 25 and 27.
Many alterations and modifications can be made to the foregoing preferred embodiments without departing from the spirit and scope of the invention.
Therefore it must be understood that the illustrated embodiments have been set forth only by way of example, and should not be taken as limiting the invention. For example, notwithstanding the fact that the 2s claims set forth below recite certain elements and combinations, it must be expressly understood that the invention includes other combinations of fewer, more or different elements, which are not disclosed above even when not initially claimed in such combinations.
In addition, the words used in this specification to describe the invention and its various embodiments are to be understood not only in the sense of their commonly defined meanings, but also in the sense of any special definitions used in this specification, which may extend beyond the scope of the commonly defined meanings. Thus if an element can be understood in the context of this specification as including more than one meaning, than its use in the claims must be understood as being generic to all possible meanings supported by the specification and by the word itself.
The definitions of the words or elements of the following claims are, therefore, 1o defined in the specification to include not only the combination of the elements which are literally set forth, but all equivalent structure, material or method steps for performing substantially the same function, in substantially the same way, to obtain substantially the same way to obtain substantially the same result. In this sense it is therefore contemplated that an equivalent substitution of two or more elements may be made for any one of the elements in the 15 claims below or that a single element may be substituted for two or more elements in a claim.
Insubstantial changes from the claimed subject matter, now known or later devised, are expressly contemplated as being equivalently within the scope of the claims.
Therefore, obvious substitutions now or later known to one with ordinary skill in the art are deemed to be within the scope of the defined elements.
2o The claims are thus to be understood to include what is specifically illustrated and described above, what is conceptually equivalent, what can be obviously substituted, and also what essentially incorporates the idea of the invention.
Many alterations and modifications can be made to the foregoing preferred embodiments without departing from the spirit and scope of the invention. Therefore it must be understood that the 25 illustrated embodiments have been set forth only by way of example, and should not be taken as limiting the invention. For example, notwithstanding the fact that the claims set forth below recite certain elements and combinations, it must be expressly understood that the invention includes other combinations of fewer, more or different elements, which are not disclosed above even when not initially claimed in such combinations.
In addition, the words used in this specification to describe the invention and its various embodiments are to be understood not only in the sense of their commonly defined meanings, but also in the sense of any special definitions used in this specification, which may extend beyond the scope of the commonly defined meanings. Thus if an element can be understood in the context of this specification as including more than one meaning, than its use in the claims must be understood as being generic to all possible meanings supported by the specification and by the word itself.
The definitions of the words or elements of the following claims are, therefore, defined in the specification to include not only the combination of the elements which are to literally set forth, but all equivalent structure, material or method steps for performing substantially the same function, in substantially the same way, to obtain substantially the same way to obtain substantially the same result. In this sense it is therefore contemplated that an equivalent substitution of two or more elements may be made for any one of the elements in the claims below or that a single element may be substituted for two or more elements in a claim.
is Insubstantial changes from the claimed subject matter, now known or later devised, are expressly contemplated as being equivalently within the scope of the claims.
Therefore, obvious substitutions now or later known to one with ordinary skill in the art are deemed to be within the scope of the defined elements.
The claims are thus to be understood to include what is specifically illustrated and 2o described above, what is conceptually equivalent, what can be obviously substituted, and also what essentially incorporates the idea of the invention.
_g_
The definitions of the words or elements of the following claims are, therefore, 1o defined in the specification to include not only the combination of the elements which are literally set forth, but all equivalent structure, material or method steps for performing substantially the same function, in substantially the same way, to obtain substantially the same way to obtain substantially the same result. In this sense it is therefore contemplated that an equivalent substitution of two or more elements may be made for any one of the elements in the 15 claims below or that a single element may be substituted for two or more elements in a claim.
Insubstantial changes from the claimed subject matter, now known or later devised, are expressly contemplated as being equivalently within the scope of the claims.
Therefore, obvious substitutions now or later known to one with ordinary skill in the art are deemed to be within the scope of the defined elements.
2o The claims are thus to be understood to include what is specifically illustrated and described above, what is conceptually equivalent, what can be obviously substituted, and also what essentially incorporates the idea of the invention.
Many alterations and modifications can be made to the foregoing preferred embodiments without departing from the spirit and scope of the invention. Therefore it must be understood that the 25 illustrated embodiments have been set forth only by way of example, and should not be taken as limiting the invention. For example, notwithstanding the fact that the claims set forth below recite certain elements and combinations, it must be expressly understood that the invention includes other combinations of fewer, more or different elements, which are not disclosed above even when not initially claimed in such combinations.
In addition, the words used in this specification to describe the invention and its various embodiments are to be understood not only in the sense of their commonly defined meanings, but also in the sense of any special definitions used in this specification, which may extend beyond the scope of the commonly defined meanings. Thus if an element can be understood in the context of this specification as including more than one meaning, than its use in the claims must be understood as being generic to all possible meanings supported by the specification and by the word itself.
The definitions of the words or elements of the following claims are, therefore, defined in the specification to include not only the combination of the elements which are to literally set forth, but all equivalent structure, material or method steps for performing substantially the same function, in substantially the same way, to obtain substantially the same way to obtain substantially the same result. In this sense it is therefore contemplated that an equivalent substitution of two or more elements may be made for any one of the elements in the claims below or that a single element may be substituted for two or more elements in a claim.
is Insubstantial changes from the claimed subject matter, now known or later devised, are expressly contemplated as being equivalently within the scope of the claims.
Therefore, obvious substitutions now or later known to one with ordinary skill in the art are deemed to be within the scope of the defined elements.
The claims are thus to be understood to include what is specifically illustrated and 2o described above, what is conceptually equivalent, what can be obviously substituted, and also what essentially incorporates the idea of the invention.
_g_
Claims (16)
1. A surgical clamp for occluding the body conduit comprising:
a first jaw;
a second jaw moveable relative to the first jaw;
a handle assembly operable to move the first jaw and the second jaw relative to each other between a space position and approximate position;
the first jaw having an elongate configuration characterized by a length and a width;
first portions of the first jaw having in cross section a first shape which remains generally constant in area along the length of the first jaw; and second portions of the first jaw having in cross section a second shape which changes in area along the length of the first jaw
a first jaw;
a second jaw moveable relative to the first jaw;
a handle assembly operable to move the first jaw and the second jaw relative to each other between a space position and approximate position;
the first jaw having an elongate configuration characterized by a length and a width;
first portions of the first jaw having in cross section a first shape which remains generally constant in area along the length of the first jaw; and second portions of the first jaw having in cross section a second shape which changes in area along the length of the first jaw
2. The surgical clamp recited in Claim 1 wherein the second portions of the first jaw are disposed outwardly of the first portions of the first jaw
3. The surgical clamp recited in Claim 1, wherein:
the first jaw has a length that extends between a proximal end and a distal end; and the first shape of the first portions remain generally constant in cross section between the distal end and the proximal end of the first jaw
the first jaw has a length that extends between a proximal end and a distal end; and the first shape of the first portions remain generally constant in cross section between the distal end and the proximal end of the first jaw
4. The surgical clamp recited in Claim 2, wherein:
the first portions have a first width; and the second portions have a second width greater than the first width.
the first portions have a first width; and the second portions have a second width greater than the first width.
5. The surgical clamp recited in Claim 2, further comprising:
an insert removably mounted on the first portions of the first jaw; and the second portions of the first jaw extending laterally of the insert.
an insert removably mounted on the first portions of the first jaw; and the second portions of the first jaw extending laterally of the insert.
6. The surgical clamp recited in Claim 5, wherein:
the first jaw is configured to have a pivotal relationship with the insert at the distal end; and the first jaw is configured to have a snap-fit relationship with the insert at the proximal end.
the first jaw is configured to have a pivotal relationship with the insert at the distal end; and the first jaw is configured to have a snap-fit relationship with the insert at the proximal end.
7. A surgical clamp for occluding a body conduit, comprising:
a handle assembly;
a pair of opposing jaws movable by the handle assembly in a plane of operation between a spaced orientation wherein the jaws are spread to receive the body conduit, and a proximate orientation wherein the jaws are substantially closed to occlude the body conduit;
an insert having a first width;
at least one of the jaws having in radial cross section a non-rectangular shape and including a first longitudinal portion and a second longitudinal portion;
the first portions of the jaw having a second width and being sized and configured to receive the insert;
the second portions of the jaw having a third width and defining with the first portions the thickness of the jaw; and the first width of the insert being less than the width of the second longitudinal portions and greater than the second width of the first longitudinal portions of the jaw.
a handle assembly;
a pair of opposing jaws movable by the handle assembly in a plane of operation between a spaced orientation wherein the jaws are spread to receive the body conduit, and a proximate orientation wherein the jaws are substantially closed to occlude the body conduit;
an insert having a first width;
at least one of the jaws having in radial cross section a non-rectangular shape and including a first longitudinal portion and a second longitudinal portion;
the first portions of the jaw having a second width and being sized and configured to receive the insert;
the second portions of the jaw having a third width and defining with the first portions the thickness of the jaw; and the first width of the insert being less than the width of the second longitudinal portions and greater than the second width of the first longitudinal portions of the jaw.
8. The surgical clamp recited in Claim 7, further comprising:
an insert having a longitudinal channel and being carried by at least one jaw;
the first portions being disposed within the longitudinal channel of the insert; and the second portions being disposed injects the position to the insert.
an insert having a longitudinal channel and being carried by at least one jaw;
the first portions being disposed within the longitudinal channel of the insert; and the second portions being disposed injects the position to the insert.
9. The surgical clamp recited in Claim 8, wherein:
the second portions are disposed in an abutting relationship with the insert.
the second portions are disposed in an abutting relationship with the insert.
10. The surgical clamp recited in Claim B1, wherein:
the first portions and the second portions form a structural beam having in radial cross section a shape that is non-rectangular.
the first portions and the second portions form a structural beam having in radial cross section a shape that is non-rectangular.
11. The surgical clamp recited in Claim 10 wherein the structural beam is a trapezoidal beam.
12. The surgical clamp recited in Claim 10 wherein the structural beam is a U-beam.
13. The surgical clamp recited in Claim 10 wherein the structural beam is a V-beam.
14. The surgical clamp recited in Claim 10 wherein the structural beam is an I-beam.
15. The surgical clamp recited in Claim 10 wherein the structural beam is a T-beam.
16. The surgical clamp recited in Claim 10 wherein the structural beam is an L-beam
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US16894399P | 1999-12-03 | 1999-12-03 | |
US60/168,943 | 1999-12-03 | ||
PCT/US2000/042390 WO2001043623A2 (en) | 1999-12-03 | 2000-11-29 | Vessel occlusion clamp |
Publications (1)
Publication Number | Publication Date |
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CA2391620A1 true CA2391620A1 (en) | 2001-06-21 |
Family
ID=22613619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002391620A Abandoned CA2391620A1 (en) | 1999-12-03 | 2000-11-29 | Vessel occlusion clamp |
Country Status (6)
Country | Link |
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US (3) | US6932825B2 (en) |
EP (1) | EP1233708B1 (en) |
JP (1) | JP2003530145A (en) |
CA (1) | CA2391620A1 (en) |
DE (1) | DE60044438D1 (en) |
WO (1) | WO2001043623A2 (en) |
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-
2000
- 2000-11-29 JP JP2001544566A patent/JP2003530145A/en active Pending
- 2000-11-29 EP EP00992821A patent/EP1233708B1/en not_active Expired - Lifetime
- 2000-11-29 US US10/129,517 patent/US6932825B2/en not_active Expired - Lifetime
- 2000-11-29 DE DE60044438T patent/DE60044438D1/en not_active Expired - Lifetime
- 2000-11-29 WO PCT/US2000/042390 patent/WO2001043623A2/en active Search and Examination
- 2000-11-29 CA CA002391620A patent/CA2391620A1/en not_active Abandoned
-
2005
- 2005-07-18 US US11/184,174 patent/US7744623B2/en not_active Expired - Fee Related
-
2010
- 2010-06-15 US US12/816,041 patent/US8740933B2/en not_active Expired - Fee Related
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US7744623B2 (en) | 2010-06-29 |
US20020183770A1 (en) | 2002-12-05 |
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US20050251184A1 (en) | 2005-11-10 |
US20100256660A1 (en) | 2010-10-07 |
US8740933B2 (en) | 2014-06-03 |
WO2001043623A2 (en) | 2001-06-21 |
EP1233708B1 (en) | 2010-05-19 |
EP1233708A4 (en) | 2006-04-26 |
EP1233708A2 (en) | 2002-08-28 |
DE60044438D1 (en) | 2010-07-01 |
WO2001043623A3 (en) | 2002-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |