|Publication number||US3844550 A|
|Publication date||Oct 29, 1974|
|Filing date||Mar 14, 1974|
|Priority date||Apr 27, 1973|
|Also published as||US3823709|
|Publication number||US 3844550 A, US 3844550A, US-A-3844550, US3844550 A, US3844550A|
|Original Assignee||G Mcguire|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (3), Referenced by (27), Classifications (15)|
|External Links: USPTO, USPTO Assignment, Espacenet|
United States Patent 1191 McGuire 11 3,844,550 1451 Oct. 29, 1974 PELVIC SUPPORT FOR SURGICAL OPERATIONS  Inventor: George McGuire, Rt. 3, Orange Ln.,
DePere, Wis. 54115 22 Filed: Mar. 14, 1974 21 Appl. No.: 451,166
Related US. Application Data  Division of Ser. No. 355,034, April 27, 1973, Pat.
52 us. c1. 269/328, 128/133 51 int. c1 A6lg 13/00  Field of Search 269/328; 128/133; 5/327 R  References Cited UNITED STATES PATENTS Wolf 269/328 9/1956 Ettinger et al. 269/328 X 7/l962 Jackson l28/70 X Primary ExaminerRoy Lake Assistant Examiner-Neil Abrams Attorney, Agent, or FirmJames E. Nilles [5 7 ABSTRACT A human body support for the pelvic region firmly supports a patient on his side during the operation to enable the surgeon to work on the patient and know precisely the location of the patients bones in the surgical area. The bodysupport includes two transversely spaced braces for supporting the front and back side of the patient, the brace at the front side of the patient furthermore including a pair of vertically spaced pelvic area holders.
7 Claims, 18 Drawing Figures PMENTEBOC! 25 can mtawe FIG.7
PATKNTEBum 29 um sum 3 (IF 6 FIG. 10
1 PELVIC SUPPORT FOR SURGICAL OPERATIONS REFERENCE TO RELATED APPLICATION This is a divisional application of my pending U.S. Pat. application'Ser. No. 355,034, filed Apr. 27, 1973 and entitled Table Supported Surgical Retractor and Pelvic Support, which issued on July 16, 1974 as U.S. Pat. No. 3,823,709.
SUMMARY OF THE INVENTION The invention relates to a body support for the pelvic regions and for securely holding the patient on his side on the operating table for hip operations. More specifically, the supportincludes a pair of transversely spaced brace members, one for supporting the back of the patient and the other for supporting the pelvic areas of the patient. This latter brace includes two vertically spaced pelvic area holders for firmly supporting the patient.
A more specific aspect of the invention relates to padding of these holders so that they bear against the pelvic bone area only of the patient.
These and other objects and advantages will appear hereinafter as this disclosure progresses, reference being had to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an operating table on which a retractor is mounted.
FIG. 2 is an enlarged, fragmentary view showing the parts in exploded relationship, of the mounting for the retractor shown in FIG. 1;
FIG. 3 is a transverse sectional view through the retractor, and further showing'the various parts in exploded view for the sake of clarity;
FIG. 4 is a side elevational view of the present invention as applied to an operating'table and with the patient on the table and under the retractor;
FIG. 5 is a perspective, exploded view of three of the mounting portions shown in FIG. 2',
FIG.- 6 is a side elevationalview of the mounting means shown in FIG. 2, but when in the assembled relation;
FIG. 7 is a view similar to FIG. 3, but showing the parts in assembledrelationship;
FIG. 8 is a cross sectional view through the retractor and showing the blade anchoring means located in the retractor, the view being taken generally along the line 8-8 in FIG. 9, but on an enlarged scale;
FIG. 9 is a plan view showing the retractor in place over the patient;
FIG. 10 is a view generally similar to FIG. 7, but furthermore showing the retracting blades inplace in the operation side in the patient;
FIG. 11 is a plan view of a patient being supported by the pelvic support of the present invention;
FIG. 12 is a view similar to FIG. 11, but showing the retractor mounted on the pelvic support;
FIG. 13 is a transverse, elevational view of the pelvic support shown in- FIGS. 11 and 12, but on an enlarged scale and without the patientlocated therein;
FIG. 14 is a plan view of the FIG. 13 showing;
FIG. 15. is an elevational view of the FIG. 13 device and taken from the surgeon's side of the table;
FIG. 16 is an elevational view of the FIG. 13 support, but taken from the opposite side of the table;
FIG. 17is a perspective view of a patient lying on the table with the pelvic support and retractor located over a patient, certain parts being omitted for clarity such as the sterile barrier; and
FIG. 18 is a perspective view of the patient in the pelvic support without the retractor being located in place.
DESCRIPTION OF A PREFERRED EMBODIMENT The retractor R is shown in FIGS. 1 to 10 as secured to the side of an operating table. The table R itself is conventional and is shown in FIG. 1 and has the usual side rail 1 secured along each of its sides and on which are mounted a pair of slideable blocks 2 each having an aperture 3 -(FIG. 2) extending downwardly therethrough. Anchoring means are provided for the retractor and include an anchoring plate 4 having a pair of downwardly extending portions 5 which are received in the corresponding holes 3 in the blocks, and this plate is held captive in the blocks by the set screws 6 thread ably engaged in the blocks and which can bear against the blocks 5 to hold the anchoring plate 4 detachably but rigidly in the blocks. The anchoring means also includes a pair of brackets 8 and 9 which have alignable threaded holes 10 and unthreaded holes 11, respectively, extending therethrough. Cap. bolts 12 extend freely through the unthreaded holes 11 and are threadably engagable in the holes 10. I
The brackets 8 and 9 are on opposite sides of the anchoring plate 4, and as shown inFIG. 3, a sterile barrier, such as a drape 14 is located over the anchoring plate and between it and the'two brackets 8 and 9. When the cap screws 12 hold the anchoring means in assembled relationship, the sterile barrier 14 permits only the brackets 8 and 9 of the retractor R to be exposed. The other elements, such as the anchoring plate 4 and the operating table itself are covered by the sterile barrier 14. Thus, it is a rather easy matter to clean the parts which are exposed and insure their sterility before the operation.
As shown in FIG. 9, the sterile barrier 14 has an opening 20 cut therein and immediately over'the area of the patient in which the surgeon will work. Also shown in FIG. 9 is the opening 22 itself in the patient and the bone structure 23 to which the surgeon must have clear access.
The retractor R is of generally C-shaped configuration and hastwo side legs 15 and 16 and an intermediate portion 17. As shown in FIG. 10, the retractor R is also curved in a generally longitudinal direction of the C-shaped retractor so as to closely fit the contour of the patients body when the patient is located beneath the retractor. If necessary, the patient can be propped up or held firmly against the retractor with pillows or sand bags (not shown) that are positioned beneath the patients body. I 1
Generally, it will be noted that the C-shaped retractor is mounted by one of its legsto one side of the operating table only, and the retractor then extends over the table and the patient located beneath it and also extends, as shown in FIG. 10, in an upwardly inclined direction over the patient. This particular positioning of the retractor, relative to the patient and the table, affords the surgeon complete and good accessibility to the area of the patient in which the operation is to be performed. The retractor is completely and rigidly supported by the table itself and when in use, as will appear, the force of the retractor blades (to be described) is not transmitted to other parts of the patient, but instead these forces are transmitted directly to the operating table.
lt should also be noted that the C-shaped retractor R provides an open end opposite from the intermediate portion 17 and this open end of the retractor permits the limb, that is to say, the leg when a hip operation is being performed or an arm when a shoulder operation is being performed, to be moved or shifted by the surgeon during the operation so that the bones can be properly handled and operated on, or the necessary implants properly made. Even though the retractor thus provides an open end for such limb movement, the retractor provided by the present invention also provides a 360 degree adjustment of the retractor blades, as will appear.
The retractor is rigidly bolted by two bolts which extend therethrough and which threadably engage in the threaded apertures 27 of the bracket 9.
The retractor R can be quickly positioned in place over the patient because the retractor R, brackets 8 and 9, anchor plate 4, bolts 12 and the sterile barrier 14 can all be assembled ahead of time and then the anchor plate simply inserted in the blocks 2.
The retractor has a series of apertures 30 extending all around its outer edge and also has a series of projections 31 in the form of cap bolts which are located completely around the inner edge of the retractor.
A number of retracting blades 33, 34, 35 and 36 are shown in use in FIG. 9 and these blades themselves are conventional and are used to retract the soft tissue, tendons, muscles or other portions of the body, away from the bone or other areato be worked on. in other words, the retractors forcibly hold back various parts of the body so the surgeon has access to the area and as is known, these retractor blades eliminate the need for attendants at the operating table. The blades each have a flexible cable 38 attached at one end to the blades, and the other end of the cables have a block 40 rigidly fixed thereto and from which a plug or pin 41 (FIG. 8) extends. The plugs 41 are adapted to fit snugly in any one of the apertures 30 and thus rigidly anchor that end of the cable. Any number of these retracting blades may be used during the operation as necessary, and generally speaking, the blades act with a leverage action against the bone structure and are applied with considerable force to the various tissues and other members of the body to hold the area open to the surgeon. Thus, the force necessary to be transmitted by the blades is considerable, and this force is absorbed by the retractor itself and consequently, by the operating table, through the flexible cables and the blocks 40 and pins 41. The retractor is supported independently of the patient and consequently, the force of the retracting blades is transmitted directly to the operating table.
The blades, flexible cables, and their anchoring blocks 40 and pins 41, as well as any other exposed metal in the area, is preferably made of stainless steel and is rendered sterile before use. The parts heretofore described are simple in construction and free of crevices or other hard to clean cracks or surfaces and can easily be rendered sterile.
The retracting blades must be pulled away from the opening in any one of a variety of different angles, and
the retractor provided by the present invention insures that any desired angle of thrust for the retractor is immediately and easily selectable by the surgeon, and that the surgeon can easily and quickly apply the retracting blade and anchor it with the proper amount of force and in the proper direction. This is accomplished by providing the easily insertable plugs for anchoring the end of the cable, which plugs may be located in the holes in a variety of positions around the edge of the retractor. The projections 31 are provided so the cables can be trained therearound so that the cable extends to the wound area at the precise line of thrust desired by the surgeon. Thus, the surgeon first places the retractor at the desired location in the patients opening, positions the cable away from the wound at the desired angle, trains the cable around the appropriate projection 31, and then inserts the pin 41 in the appropriate hole 30 to maintain the proper tension in the cable.
With the above described retractor and its mounting to the table, the patient is securely held beneath the retractor and a sterile barrier is provided over the wound area. The surgeon can stand closely adjacent the hip or shoulder area to be worked on, and the limb of the patient can be manipulated as required. Because the patient is held firmly in positon on his back in the illustrations shown in FIGS. 1 to 10, the patient will not inadvertently be moved during the operation. The surgeon must know the position of the patient, which position may be difficult to ascertain when the patient is covered by the sterile barrier, or due to the fact that considerable force is also applied during these surgical procedures or a considerable range of movement of the patients limbs by the surgeon is necessary during these surgical procedures.
The retractor R is particularly designed for hip and shoulder surgical procedures which usually requires a great number of blades, hooks, claws, etc. at any one time and which must direct their force often through a 360 degree range of motion. This wide range of adjustment is possible with a C-shaped retractor R because of the provision of a cable 50, as shown in FIG. 9, which can be extended across the open end of the C- shaped retractor and then anchored at each of its ends by its anchoring blocks 51. This cable 50 extending across the open end of the retractor is used to fasten the end of the retractor cable directly thereto. Thus, the 360 degree range of adjustment is provided, but nevertheless, the C-shaped retractor permits the surgeon to move the limb the necessary amount.
The present table mounted retractor is readily adapted to the inclined position, which is desirable for hip and shoulder operating procedures, permits a wide variety of retracting devices to be used, permits a range of motion of the limb, provides absolute sterility that has become absolutely necessary in large joint procedures, such as complete joint replacement and in addition, the retractor assembly is strong, durable and easily cleaned.
PELVIC SUPPORT In some surgical procedures such as on the hip of the patient, it is preferable to have the patient lie on his side during the operation. As previsouly stated however, it is essential that the body of the patient does not inadvertently shift during the operation and this shifting heretofore has occurred due to the considerable force necessary to be applied to the various bones of the body during the operation and/or the placement of implants in the patient. The procedure is furthermore complicated by the fact that it is often difficult for the surgeon to ascertain during the operation, the exact position of the body and more particularly the position of the hip components, and the placement of these components at an exact spacial relationship is extremely important if they are to function properly. Thus, the position of the patient is difficult to ascertain precisely during the operation, particularly when the patient is covered with the sterile barrier.
Consequently, a body support as shown in FIGS. 11 to 18 is provided so as to securely hold the patient on his side during the operation and still permit the necessary movement of the limb by the surgeon during the operation, as heretofore mentioned. The body support hereinafter described, holds the patient on his side and permits surgery on the hip joint with the surgeon located at the back side of the patient. This pelvic support has proven particularly valuable in maintaining the position of the patient with certainty which is required when some hip components must be placed in the patient at the exact spacial relationship for proper functioning thereof.
More particularly, the pelvic support includes a base plate 60 which extends across the width of the operating table and is securely held down on the table by the J-bolts 61, one of which extends through a slot 62 in member 60 to thereby accommodate tables of different width. The J-bolts engage the side rails 1 along each side of the table. The pelvic support includes a first brace member 73 which may be secured directly to the base plate 60 and extends upwardly therefrom from the surgeons side of the operating table. This first brace member is provided with a padding 74 so as to avoid bruising of the patient. Attached to the surgeons side of the first brace member is an L-shaped bracket 75 which is held by bolt means 76 to the brace 73. More specifically, the L-shaped bracket 75 has a slot 75a therein and through which the bolt means 76 extend. Thus, the bracket 75 can be adjusted vertically to the desired position so that the retractor R, which is attached to the plate 9, can be positioned at the proper vertical height and directly over the patient. More specifically, the retractor R is secured to the bracket 75 by plates 8 and 9 and bolts 12. Here again, the sterile barrier is interposed over the anchor bracket 75 and between this bracket and plates 8 and 9. A gusset plate 79 is provided between the brace 75 and the base plate 60 so as to prevent bending of the brace 73 when the patient is clamped against it.
A second brace member 80 is adjustably positioned in the transverse direction to the base plate 60 by means of slot 81 (FIG. 14), and bolt means 82 extending through the base plate 60 and through the slot 81. This second brace means includes two vertically spaced, vertical, padded holders 84 and 85 which bear against the two pelvic bones of the patient. The holder 85 is vertically adjustable by the bolt means 86 which extend through the slot 87 in the bracket 80 and also through the holder 85. Thus, the vertical space between holders 84 and 85 may be adjusted to accommo-. date different size patients. Holders 84 and 85 are pressed against the patient firmly so the patient is clamped between brace 73 and the holders 84 and 85 of the second bracket 80. This arrangement holds the patient firmly in place, but at the same time permits the surgeon to move the patients leg during the operating procedure.
1. A body support for being mounted across an operating table for a patient undergoing surgery, said support comprising a base member mounted on said table, a first brace member secured to said base member and extending upwardly therefrom, a second brace member secured to said base member in transversely spaced relation from said first member and also extending upwardly from said table, said second brace member including a pair of vertically spaced pelvic area holders, means for adjusting one of said braces transversely relative to one another so as to firmly support a patient between said braces when said patient is lying on his side on said table and said holders having an unobstructed space therebetween.
2. The support of claim 1 further characterized in that one of said holders is vertically adjustable relative to the other holder.
3. The body support set forth in claim 1 further characterized in that said base member extends for a length across said table and under said patient.
4. The body support of claim 1 including padding on said holders for bearing against the pelvic bone areas only of the patient.
5. The body support set forth in claim 4 further characterized in that said base member extends for a length across said table and under said patient.
6. The body support set forth in claim 2 further char acterized in that said base member extends for a length across said table and under said patient.
7. The body support of claim 6 including padding on said holders for bearing against the pelvic bone areas only of the patient.
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|U.S. Classification||5/621, 128/869, 128/845|
|International Classification||A61G13/12, A61B17/02|
|Cooperative Classification||A61G13/123, A61B17/0293, A61G2013/0081, A61B2017/0287, A61G13/12, A61G2200/54, A61G2013/0072, A61G13/1225|
|European Classification||A61B17/02R, A61G13/12|