CA2501049A1 - Surgical stapling device - Google Patents

Surgical stapling device Download PDF

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Publication number
CA2501049A1
CA2501049A1 CA002501049A CA2501049A CA2501049A1 CA 2501049 A1 CA2501049 A1 CA 2501049A1 CA 002501049 A CA002501049 A CA 002501049A CA 2501049 A CA2501049 A CA 2501049A CA 2501049 A1 CA2501049 A1 CA 2501049A1
Authority
CA
Canada
Prior art keywords
anvil
indicator
stapling device
assembly
surgical stapling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002501049A
Other languages
French (fr)
Other versions
CA2501049C (en
Inventor
Keith L. Milliman
Bruce K. Jankowski
Douglas J. Cuny
Kevin Sniffin
Anthony Dato
Richard D. Gresham
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Covidien LP
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA2754689A priority Critical patent/CA2754689C/en
Publication of CA2501049A1 publication Critical patent/CA2501049A1/en
Application granted granted Critical
Publication of CA2501049C publication Critical patent/CA2501049C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115—Staplers for performing anastomosis in a single operation
    • A61B17/1155—Circular staplers comprising a plurality of staples
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/32053—Punch like cutting instruments, e.g. using a cylindrical or oval knife
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00371—Multiple actuation, e.g. pushing of two buttons, or two working tips becoming operational
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B2017/07214—Stapler heads
    • A61B2017/07257—Stapler heads characterised by its anvil
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2901—Details of shaft
    • A61B2017/2905—Details of shaft flexible
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A61B2090/0807—Indication means
    • A61B2090/0811—Indication means for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras
    • A61B2090/3616—Magnifying glass

Abstract

A surgical stapling device is disclosed for performing circular anastomoses. The surgical stapling device includes a handle portion, an elongated body portion and a head portion including an anvil assembly and a shell assembly. The head portion includes an anvil assembly including a tiltable anvil which will tilt automatically after the device has been fired and unapproximated. The tiltable anvil provides a reduced anvil profile to reduce trauma during removal of the device after the anastomoses procedure has been performed. Th e stapling device includes a bulbous indicator which preferably extends above a top surface of the handle assembly of the device. The indicator includes indicia to identify to a surgeon that the device has been approximated and i s in a fire-ready position. Preferably, the indicator includes a cover which i s formed of a magnification material to prominently display the indicia. The anvil assembly of the stapling device preferably includes a retainer clip positioned on the anvil head. The retainer clip preferably includes at least one resilient arm which is positioned to engage a cutting ring during unapproximation of the stapling device.

Claims (20)

1. A surgical stapling device comprising:
a handle assembly including a firing trigger;
a body portion extending distally from the handle assembly;
a head portion including an anvil assembly and a shell assembly, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions; and an indicator positioned on the handle assembly and having a bulbous shape, the indicator being movable from a first position to a second position in response to movement of the anvil assembly and cartridge assembly to the approximated position to provide a visual indication to a surgeon that the head portion is in the approximated position.
2. A surgical stapling device according to Claim 1, further including a lens positioned to at least partially cover the indicator, the lens being formed from a magnification material.
3. A surgical stapling device according to any of the preceding claims, further including an approximation mechanism positioned within the handle assembly and extending at least partially through the body portion, the approximation mechanism having a distal end adapted to engage the anvil assembly, the approximation mechanism being movable within the device to move the anvil assembly between the spaced position and the approximated position in relation to the shell assembly.
4. A surgical stapling device according to Claim 3, wherein the approximation mechanism is operably associated with the indicator such that movement of the approximation mechanism effects movement of the indicator.
5. A surgical stapling device according to any of the preceding claims, further including a slide member operably associated with the indicator and movable within the handle assembly, the slide member being movable from an advanced position to a retracted position to move the indicator from the first position to the second position.
6. A surgical stapling device according to Claim 5, wherein the slide member is urged to its advanced position by a biasing member.
7. A surgical stapling device according to Claim 5 or 6, wherein the approximation mechanism includes a screw member which is linearly movable within the handle assembly, the screw member having an abutment member supported thereon, the abutment member being movable with the screw member into engagement with the slide member to move the slide member from its advanced position to its retracted position to move the indicator from its first position to its second position.
8. A surgical stapling device according to Claim 5, 6 or 7, wherein the slide member includes an elongated slot formed therein, the abutment member being movable within the elongated slot into engagement with a proximal end of the slot to move the slide member from its advanced position to its retracted position.
9. A surgical stapling device according to any of the preceding claims, wherein the indicator is pivotally supported within the handle assembly.
10. A surgical stapling device according to any one of claims 5 through 9, wherein the indicator includes a pair of projections and the slide member includes an upturned lip portion positioned between the pair of projections, the slide member upturned lip portion being movable into engagement with one of the pair of projections to move the indicator from its first position to its second position and movable into engagement with the other of the pair of projections to move the indicator from its second position to its first position.
11. A surgical stapling device according to any of the preceding claims, wherein the indicator is pivotally supported within the handle assembly.
12. A surgical stapling device according to any of the preceding claims, wherein the shell assembly supports an annular array of staples.
13. An anvil assembly comprising:
an anvil head having a post, an anvil including a plurality of staple forming pockets and a cutting ring slidably positioned about the post from a first position to a second position;
an anvil center rod extending from the post of the anvil head; and a retainer clip positioned on the post of the anvil head, the retainer clip having at least one resilient arm which in its unbiased condition extends outwardly of the post;
wherein in its first position, the cutting ring is at least partially engaged with the resilient arm to urge the resilient arm out of a path of travel of the cutting ring and in its second position, the resilient arm of the retainer projects into the path of travel of the cutting ring to prevent movement of the cutting ring from its second position back to its first position.
14. An anvil assembly according to Claim 13, wherein the post of the anvil head includes a transverse slot formed therein, and the clip retainer is positioned within the transverse slot.
15. An anvil assembly according to Claim 14, wherein in its first position the cutting ring is positioned about the transverse slot of the post and in engagement with the resilient arm to urge the resilient arm of the retainer clip into the transverse slot.
16. An anvil assembly according to Claim 13, wherein the retainer clip includes a pair of resilient arms.
17. An anvil assembly according to Claim 15, wherein the retainer clip includes a pair of resilient arms, one arm extending from each side of the transverse slot when the cutting ring is in its second position.
18. An anvil assembly according to Claim 13, wherein the anvil head is pivotally attached to the anvil center rod by a pivot member.
19. An anvil assembly according to Claim 18, wherein the retainer clip includes a recess for receiving the pivot member to secure the retainer clip to the post.
20. An anvil assembly according to Claim 18, wherein the cutting ring includes a backup plate secured thereto, the backup plate having at least one tab positioned to prevent pivotal movement of the anvil head in relation to anvil center rod when the cutting ring is in its first position.
CA2501049A 2002-10-04 2003-10-06 Surgical stapling device Expired - Fee Related CA2501049C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2754689A CA2754689C (en) 2002-10-04 2003-10-06 Surgical stapling device

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41605502P 2002-10-04 2002-10-04
US60/416,055 2002-10-04
PCT/US2003/031638 WO2004032766A2 (en) 2002-10-04 2003-10-06 Surgical stapling device

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2754689A Division CA2754689C (en) 2002-10-04 2003-10-06 Surgical stapling device

Publications (2)

Publication Number Publication Date
CA2501049A1 true CA2501049A1 (en) 2004-04-22
CA2501049C CA2501049C (en) 2012-01-03

Family

ID=32093804

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2754689A Expired - Fee Related CA2754689C (en) 2002-10-04 2003-10-06 Surgical stapling device
CA2501049A Expired - Fee Related CA2501049C (en) 2002-10-04 2003-10-06 Surgical stapling device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2754689A Expired - Fee Related CA2754689C (en) 2002-10-04 2003-10-06 Surgical stapling device

Country Status (8)

Country Link
US (4) US7303106B2 (en)
EP (2) EP2055246B1 (en)
JP (3) JP4422027B2 (en)
AU (2) AU2003279147B2 (en)
CA (2) CA2754689C (en)
DE (1) DE60327227D1 (en)
ES (2) ES2385522T3 (en)
WO (1) WO2004032766A2 (en)

Families Citing this family (830)

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