CA2529446A1 - Surgical stapling device - Google Patents
Surgical stapling device Download PDFInfo
- Publication number
- CA2529446A1 CA2529446A1 CA002529446A CA2529446A CA2529446A1 CA 2529446 A1 CA2529446 A1 CA 2529446A1 CA 002529446 A CA002529446 A CA 002529446A CA 2529446 A CA2529446 A CA 2529446A CA 2529446 A1 CA2529446 A1 CA 2529446A1
- Authority
- CA
- Canada
- Prior art keywords
- anvil
- assembly
- stapling device
- retainer
- 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
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
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- 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
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/31—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
-
- 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
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00469—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable for insertion of instruments, e.g. guide wire, optical fibre
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
- A61B2017/00473—Distal part, e.g. tip or head
-
- 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
- A61B2017/2926—Details of heads or jaws
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
-
- 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
- A61B2017/2926—Details of heads or jaws
- A61B2017/2931—Details of heads or jaws with releasable head
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physiology (AREA)
- Surgical Instruments (AREA)
Abstract
A surgical stapling device (10) is disclosed for the treatment of internal hemorrhoids. The surgical stapling device includes a handle portion (12), an elongated body portion 814) and a head portion (16) including an anvil assembly (30) and a shell assembly (31). 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. The anvil assembly of the stapling device may include an approximation mechanism having an anvil retainer including an elongated distal extension dimensioned to be telescopingly received within a longitudinal bore of an anvil center rod of the anvil assembly. The elongated distal extension is of a length to provide telescopic engagement with the anvil center rod without obstructing visualization of the surgical site. A kit including a surgical instrument having a removable anvil assembly and an anvil assembly insertion handle is also disclosed. The kit may also include a speculum, an anal dialator and/or an obturator.
Claims (20)
1. A surgical stapling device comprising:
a handle assembly;
a body portion extending distally from the handle assembly;
a head portion including an anvil assembly and a shell assembly, the anvil assembly including an anvil head and an anvil center rod defining a longitudinal bore, the shell assembly supporting 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 for supporting the anvil assembly, the anvil retainer including an elongated distal extension dimensioned to be telescopingly received in the longitudinal bore of the anvil center rod.
a handle assembly;
a body portion extending distally from the handle assembly;
a head portion including an anvil assembly and a shell assembly, the anvil assembly including an anvil head and an anvil center rod defining a longitudinal bore, the shell assembly supporting 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 for supporting the anvil assembly, the anvil retainer including an elongated distal extension dimensioned to be telescopingly received in the longitudinal bore of the anvil center rod.
2. A surgical stapling device according to any of the preceding claims, wherein the longitudinal bore extends along substantially the entire length of the anvil center rod, the elongated distal extension of the anvil retainer extending substantially the length of the longitudinal bore.
3. A surgical stapling device according to any of the preceding claims, wherein the anvil assembly is removably secured to the anvil retainer.
4. A surgical stapling device according to any of the preceding claims, wherein the anvil center rod includes a plurality of flexible arms which partially define the longitudinal bore, at least one of the flexible arms including a radial projection, wherein the anvil retainer defines a shoulder which is positioned proximally of the elongated distal extension, the radial projection of the at least one flexible arm being engageable with the anvil retainer shoulder to releasably secure the anvil assembly to the anvil retainer.
5. A surgical stapling device according to any of the preceding claims, wherein the elongated distal extension of the anvil retainer has a smaller diameter than the proximal portion of the anvil retainer.
6. A surgical stapling device according to any of the preceding claims, wherein the approximation mechanism includes a rotatable approximation knob supported on the handle assembly, a screw operably associated with the approximation knob, and a retainer extension member secured to the screw, the anvil retainer being secured to the distal end of the retainer extension member.
7. A surgical stapling device according to any of the preceding claims, wherein the elongated distal extension is of a length to allow telescoping of the elongated distal extension with the anvil center rod without obstructing visibility of a surgical site.
8. A surgical stapling device according to any of the preceding claims, wherein the combined length of the anvil center rod and the elongated distal extension is greater than about 4.5 inches.
9. A method of treating internal hemorrhoids, the method comprising the steps of a) inserting an anvil assembly of a surgical stapling device through the anus into the rectum such that an anvil head of the anvil assembly is positioned beyond the internal hemorrhoids;
b) applying a purse string suture to rectal tissue and/or the internal hemorrhoids;
c) attaching a surgical stapling device including a handle assembly and a shell assembly to the anvil assembly after the anvil assembly has been inserted through the anus;
d) drawing the rectal tissue and/or the internal hemorrhoids towards a center rod of the anvil assembly with the purse string suture;
e) approximating the anvil assembly and the shell assembly; and f) actuating the surgical stapling device to treat the rectal tissue and/or the internal hemorrhoids.
b) applying a purse string suture to rectal tissue and/or the internal hemorrhoids;
c) attaching a surgical stapling device including a handle assembly and a shell assembly to the anvil assembly after the anvil assembly has been inserted through the anus;
d) drawing the rectal tissue and/or the internal hemorrhoids towards a center rod of the anvil assembly with the purse string suture;
e) approximating the anvil assembly and the shell assembly; and f) actuating the surgical stapling device to treat the rectal tissue and/or the internal hemorrhoids.
10. A method of treating internal hemorrhoids according to any of the preceding claims, wherein the surgical stapling device includes an approximation mechanism having an anvil retainer with an elongated distal extension, and wherein the attaching step includes using the distal extension to align the stapling instrument with the anvil assembly.
11. A method according to any of the preceding claims, wherein the step of inserting the anvil assembly includes the step of attaching an insertion handle to the anvil assembly prior to inserting the anvil assembly through the anus.
12. A method according to any of the preceding claims, wherein the step of applying a purse string suture includes using a speculum to apply the pursestring suture to the rectal tissue and/or internal hemorrhoids.
13. A kit for treating internal hemorrhoids, the kit comprising:
a surgical stapling device including a handle assembly, a body portion extending distally from the handle assembly, an approximation mechanism including an anvil retainer, a shell assembly including a plurality of staples, and an anvil assembly removably attachable to the anvil retainer; and an anvil assembly insertion handle removably attachable to the anvil assembly.
a surgical stapling device including a handle assembly, a body portion extending distally from the handle assembly, an approximation mechanism including an anvil retainer, a shell assembly including a plurality of staples, and an anvil assembly removably attachable to the anvil retainer; and an anvil assembly insertion handle removably attachable to the anvil assembly.
14. A kit according to any of the preceding claims, wherein the anvil assembly includes a center rod having a longitudinal bore and the anvil retainer includes an elongated distal extension dimensioned to be telescopingly received in the longitudinal bore of the center rod.
15. A kit according to any of the preceding claims, wherein the elongated distal extension is of a length to allow telescoping of the elongated distal extension of the anvil retainer and the center rod of the anvil assembly without obstructing visibility of a surgical site during a procedure for treating internal hemorrhoids.
16. A kit according to any of the preceding claims, wherein the combined length of the anvil center rod and the elongated distal extension is greater than about 4.5 inches.
17. A kit according to any of the preceding claims, further including a speculum having a semi-cylindrical body defining a channel, a blunt tip, and a semi-annular flange.
18. A kit according to any of the preceding claims, wherein the semi-annular flange includes at least one forger tab.
19. A kit according to any of the preceding claims, wherein the elongated distal extension has a diameter which is smaller than the diameter of a proximal portion of the anvil retainer.
20. A kit according to any of the preceding claims, wherein the insertion handle includes a gripping knob, a substantially rigid shaft extending distally from the knob and a detent configured to be received in an opening formed in the anvil center rod.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US48007403P | 2003-06-20 | 2003-06-20 | |
US60/480,074 | 2003-06-20 | ||
PCT/US2004/019798 WO2004112583A2 (en) | 2003-06-20 | 2004-06-21 | Surgical stapling device |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2529446A1 true CA2529446A1 (en) | 2004-12-29 |
CA2529446C CA2529446C (en) | 2012-12-18 |
Family
ID=33539254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2529446A Expired - Fee Related CA2529446C (en) | 2003-06-20 | 2004-06-21 | Surgical stapling device |
Country Status (7)
Country | Link |
---|---|
US (5) | US7168604B2 (en) |
EP (3) | EP1635712B1 (en) |
JP (4) | JP2007516730A (en) |
AU (2) | AU2004249287B2 (en) |
CA (1) | CA2529446C (en) |
ES (2) | ES2551683T3 (en) |
WO (1) | WO2004112583A2 (en) |
Families Citing this family (1157)
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2004
- 2004-06-21 CA CA2529446A patent/CA2529446C/en not_active Expired - Fee Related
- 2004-06-21 AU AU2004249287A patent/AU2004249287B2/en active Active
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- 2004-06-21 ES ES04755753.3T patent/ES2551683T3/en active Active
- 2004-06-21 JP JP2006517484A patent/JP2007516730A/en not_active Withdrawn
- 2004-06-21 WO PCT/US2004/019798 patent/WO2004112583A2/en active Application Filing
- 2004-06-21 EP EP15181629.5A patent/EP3000405A1/en not_active Withdrawn
- 2004-06-21 ES ES13167010.1T patent/ES2550808T3/en active Active
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- 2004-06-21 US US10/872,747 patent/US7168604B2/en active Active
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2008
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2009
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CA2529446C (en) | 2012-12-18 |
JP5543306B2 (en) | 2014-07-09 |
JP2007516730A (en) | 2007-06-28 |
AU2010200411A1 (en) | 2010-02-25 |
JP2010207588A (en) | 2010-09-24 |
WO2004112583A2 (en) | 2004-12-29 |
ES2550808T3 (en) | 2015-11-12 |
AU2004249287A1 (en) | 2004-12-29 |
AU2004249287B2 (en) | 2009-12-24 |
AU2010200411B2 (en) | 2012-11-01 |
US9592055B2 (en) | 2017-03-14 |
EP2633822A1 (en) | 2013-09-04 |
EP1635712A4 (en) | 2011-04-20 |
WO2004112583A3 (en) | 2005-04-28 |
US20070078486A1 (en) | 2007-04-05 |
US20050006433A1 (en) | 2005-01-13 |
JP2011036686A (en) | 2011-02-24 |
US20100327041A1 (en) | 2010-12-30 |
US20080210739A1 (en) | 2008-09-04 |
US7802712B2 (en) | 2010-09-28 |
EP2633822B1 (en) | 2015-09-23 |
JP2013126554A (en) | 2013-06-27 |
US20090179063A1 (en) | 2009-07-16 |
US7168604B2 (en) | 2007-01-30 |
EP3000405A1 (en) | 2016-03-30 |
ES2551683T3 (en) | 2015-11-23 |
EP1635712B1 (en) | 2015-09-30 |
EP1635712A2 (en) | 2006-03-22 |
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