CA2442680A1 - Surgical stapling device - Google Patents
Surgical stapling device Download PDFInfo
- Publication number
- CA2442680A1 CA2442680A1 CA002442680A CA2442680A CA2442680A1 CA 2442680 A1 CA2442680 A1 CA 2442680A1 CA 002442680 A CA002442680 A CA 002442680A CA 2442680 A CA2442680 A CA 2442680A CA 2442680 A1 CA2442680 A1 CA 2442680A1
- Authority
- CA
- Canada
- Prior art keywords
- anvil
- assembly
- stapling device
- surgical stapling
- trocar
- 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
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
- A61B17/11—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
- A61B17/11—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
- A61B17/34—Trocars; Puncturing needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00115—Electrical control of surgical instruments with audible or visual output
- A61B2017/00128—Electrical control of surgical instruments with audible or visual output related to intensity or progress of surgical action
-
- 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
Abstract
A surgical stapling device is provided which comprises handle portion; an elongated body portion extending distally from the handle portion; a head portion including an anvil assembly and a shelf assembly housing a plurality of staples, the anvil assembly being movable in relation to the shelf assembly between spaced and approximated positions; an approximation mechanism including an anvil retainer adapted to releasably engage the anvil assembly; and a retractable trocar assembly including a trocar slidably supported by the anvil retainer, the trocar being movable between a retracted position located within the anvil retainer to an advanced position extending from the anvil retainer.
Claims (22)
1. A surgical stapling device comprising:
a handle portion;
an elongated body portion extending distally from the handle portion;
a head portion including an anvil assembly and a shell assembly housing a plurality of staples, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions;
an approximation mechanism including an anvil retainer adapted to releasably engage the anvil assembly; and a retractable trocar assembly including a trocar slidably supported by the anvil retainer, the trocar being movable between a retracted position located within the anvil retainer to an advanced position extending from the anvil retainer.
a handle portion;
an elongated body portion extending distally from the handle portion;
a head portion including an anvil assembly and a shell assembly housing a plurality of staples, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions;
an approximation mechanism including an anvil retainer adapted to releasably engage the anvil assembly; and a retractable trocar assembly including a trocar slidably supported by the anvil retainer, the trocar being movable between a retracted position located within the anvil retainer to an advanced position extending from the anvil retainer.
2. A surgical stapling device according to Claim 1, wherein the handle portion includes an approximation actuator operatively connected to the anvil retainer, the approximation actuator being movable to move the anvil assembly and shell assembly between the spaced and approximated positions.
3. A surgical stapling device according to Claim 2, wherein the handle portion includes a firing trigger and the shell assembly includes a pusher, the firing trigger being operatively connected to the pusher, wherein actuation of the firing trigger effects movement of the pusher within the shell assembly to eject staples from the shell assembly.
4. A surgical stapling device according to Claim 1, wherein the retractable trocar assembly includes an engagement member secured to the trocar and being positioned to retain the trocar in the advanced position.
5. A surgical stapling device according to Claim 4, wherein the engagement member includes at least one resilient leg having a shoulder for engaging an annular edge of the anvil retainer to retain the trocar in the advanced position.
6. A surgical stapling device according to Claim 5, wherein the trocar includes a slot extending along at least a portion of its length, the slot being configured and dimensioned to receive the engagement member.
7. A surgical stapling device according to Claim 6, wherein the anvil assembly includes a center rod having a bore formed therein, the bore being dimensioned to be positioned about the trocar assembly within the anvil retainer during attachment of the anvil assembly to the anvil retainer to move the trocar assembly to the retracted position.
8. A surgical stapling device according to Claim 7, wherein the anvil retainer includes a plurality of flexible legs positioned to releasably engage the center rod of the anvil assembly.
9. A surgical stapling device according to Claim 1, wherein the anvil retainer includes a plurality of flexible legs positioned to releasably engage the center rod of the anvil assembly.
10. A surgical stapling device according to Claim 9, further including a lockout tube slidably positioned about the anvil retainer, the lockout tube being positioned about the flexible legs of the anvil retainer during approximation of the anvil and shell assemblies to prevent inadvertent disengagement of the anvil assembly from the anvil assembly from the anvil retainer.
11. A surgical stapling device according to Claim 1, further including an indicator assembly including an indicator supported on the handle portion, the indicator being operably associated with the anvil to provide a visual indication identifying whether or not the anvil assembly has been attached to the anvil retainer.
12. A surgical stapling device according to Claim 11, wherein the anvil assembly includes a center rod, the center rod being configured to engage the retractable trocar assembly during attachment of the anvil assembly to the anvil retainer to move the trocar from the advanced position to the retracted position.
13. A surgical stapling device according to Claim 11, wherein the trocar is operably connected to the indicator assembly, such that movement of the trocar between the advanced and retracted positions effects movement of the indicator.
14. A surgical stapling device according to Claim 13, wherein the trocar is operably connected to the indicator by a wire which extends through the elongated body portion.
15. A surgical stapling device comprising:
a handle portion;
a body portion extending distally from the handle portion;
a head portion including an anvil assembly and shell assembly, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions;
an approximation mechanism including an anvil retainer configured to releasably engage the anvil assembly; and an indicator assembly including an indicator member supported by the handle portion and being movable between a fire-ready position and a fire-not ready position, the indicator being operatively associated with the anvil assembly, such that the indicator member will not move to the fire-ready position unless an anvil assembly has been mounted on the anvil retainer.
a handle portion;
a body portion extending distally from the handle portion;
a head portion including an anvil assembly and shell assembly, the anvil assembly being movable in relation to the shell assembly between spaced and approximated positions;
an approximation mechanism including an anvil retainer configured to releasably engage the anvil assembly; and an indicator assembly including an indicator member supported by the handle portion and being movable between a fire-ready position and a fire-not ready position, the indicator being operatively associated with the anvil assembly, such that the indicator member will not move to the fire-ready position unless an anvil assembly has been mounted on the anvil retainer.
16. A surgical stapling device according to Claim 15, further including a moveable sensor supported by the anvil retainer, the sensor being positioned to engage the anvil assembly during engagement and disengagement of the anvil assembly with the anvil retainer.
17. A surgical stapling device according to Claim 16, wherein the sensor is connected to the indicator assembly by an elongated connector.
18. A surgical stapling device according to Claim 17, wherein the indicator assembly includes a rotatable disc, the elongated connector being connected between the rotatable disc and the sensor such that movement of the sensor effects rotation of the rotatable disc.
19. A surgical stapling device according to Claim 18, wherein the approximation mechanism includes a screw member which is operably connected to the anvil retainer and movable axially within the handle portion in response to rotation of an approximation actuator.
20. A surgical stapling device according to Claim 19, wherein the pivotable disc includes a protrusion configured to be slidably received in a cam slot formed in the indicator, the disc being movable with the screw to effect movement of the indicator during approximation of the anvil and shell assemblies to provide an indication identifying when the device has been approximated.
21. A pusher link for use in an elongated hollow shaft of a circular surgical stapling device, the stapling device including:
an elongated pusher link having a longitudinal axis, a proximal end, a distal end, annular portions adjacent its respective proximal and distal ends, and an elongated intermediate portion between and in communication with the annular portions;
a firing actuator located proximally of and coupled to the proximal end of the pusher link;
a shell assembly operatively associated with the distal end of the pusher link, the shell assembly housing a plurality of staples and having and elongated member that is connectable to an anvil assembly;
an elongated tubular shaft having an elongated bore for housing the pusher link, and a pair of elongated substantially flat extension members housed in and along a diameter of the tubular shaft;
wherein a portion of the intermediate portion of the pusher link has a U-shaped configuration when viewed in vertical section taken transverse to the longitudinal axis of the pusher link, the U-Shaped configuration including a substantially flat bottom wall that is parallel to, disposed to one side of an adjacent to the diameter of the tubular shaft, each end of the bottom wall having an adjoining upstanding side wall that extends transversely through the diameter and along a portion of the interior surface of the bore of the tubular shaft, the bottom wall having a thickness that is less than half of the radius of the bore of the tubular shaft.
an elongated pusher link having a longitudinal axis, a proximal end, a distal end, annular portions adjacent its respective proximal and distal ends, and an elongated intermediate portion between and in communication with the annular portions;
a firing actuator located proximally of and coupled to the proximal end of the pusher link;
a shell assembly operatively associated with the distal end of the pusher link, the shell assembly housing a plurality of staples and having and elongated member that is connectable to an anvil assembly;
an elongated tubular shaft having an elongated bore for housing the pusher link, and a pair of elongated substantially flat extension members housed in and along a diameter of the tubular shaft;
wherein a portion of the intermediate portion of the pusher link has a U-shaped configuration when viewed in vertical section taken transverse to the longitudinal axis of the pusher link, the U-Shaped configuration including a substantially flat bottom wall that is parallel to, disposed to one side of an adjacent to the diameter of the tubular shaft, each end of the bottom wall having an adjoining upstanding side wall that extends transversely through the diameter and along a portion of the interior surface of the bore of the tubular shaft, the bottom wall having a thickness that is less than half of the radius of the bore of the tubular shaft.
22. The pusher link of Claim 21, wherein the extension members are disposed along the diameter of the tubular shaft adjacent the bottom wall of the pusher link.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2662557A CA2662557C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
CA2662551A CA2662551C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28125901P | 2001-04-03 | 2001-04-03 | |
US60/281,259 | 2001-04-03 | ||
US32765301P | 2001-10-05 | 2001-10-05 | |
US60/327,653 | 2001-10-05 | ||
US36371502P | 2002-03-11 | 2002-03-11 | |
US60/363,715 | 2002-03-11 | ||
PCT/US2002/010792 WO2002080781A2 (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device for performing circular anastomoses |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2662551A Division CA2662551C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
CA2662557A Division CA2662557C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2442680A1 true CA2442680A1 (en) | 2002-10-17 |
CA2442680C CA2442680C (en) | 2010-03-23 |
Family
ID=27403214
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2442680A Expired - Fee Related CA2442680C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
CA2662551A Expired - Fee Related CA2662551C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
CA2662557A Expired - Fee Related CA2662557C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2662551A Expired - Fee Related CA2662551C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
CA2662557A Expired - Fee Related CA2662557C (en) | 2001-04-03 | 2002-04-03 | Surgical stapling device |
Country Status (7)
Country | Link |
---|---|
US (5) | US6945444B2 (en) |
EP (3) | EP1377222B1 (en) |
JP (4) | JP4388745B2 (en) |
AU (2) | AU2002257122B2 (en) |
CA (3) | CA2442680C (en) |
ES (1) | ES2372164T3 (en) |
WO (1) | WO2002080781A2 (en) |
Families Citing this family (1057)
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- 2002-04-03 AU AU2002257122A patent/AU2002257122B2/en not_active Ceased
- 2002-04-03 US US10/472,402 patent/US6945444B2/en not_active Expired - Lifetime
- 2002-04-03 EP EP02726708A patent/EP1377222B1/en not_active Expired - Lifetime
- 2002-04-03 JP JP2002578820A patent/JP4388745B2/en not_active Expired - Fee Related
- 2002-04-03 EP EP11152504.4A patent/EP2397080B1/en not_active Expired - Fee Related
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- 2002-04-03 CA CA2662551A patent/CA2662551C/en not_active Expired - Fee Related
- 2002-04-03 ES ES02726708T patent/ES2372164T3/en not_active Expired - Lifetime
- 2002-04-03 EP EP11152505.1A patent/EP2392267B1/en not_active Expired - Fee Related
- 2002-04-03 CA CA2662557A patent/CA2662557C/en not_active Expired - Fee Related
- 2002-04-03 WO PCT/US2002/010792 patent/WO2002080781A2/en active Application Filing
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- 2005-08-22 US US11/208,667 patent/US7234624B2/en not_active Expired - Lifetime
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- 2007-05-16 US US11/803,817 patent/US8464924B2/en active Active
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- 2008-12-18 JP JP2008323005A patent/JP4970415B2/en not_active Expired - Fee Related
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- 2009-07-17 AU AU2009202896A patent/AU2009202896B2/en not_active Ceased
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- 2011-01-24 JP JP2011012390A patent/JP5175369B2/en not_active Expired - Fee Related
- 2011-09-22 JP JP2011208161A patent/JP2012035093A/en not_active Withdrawn
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- 2013-03-07 US US13/788,025 patent/US9307994B2/en not_active Expired - Lifetime
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