CA2483722A1 - Woven protector for trocar seal assembly - Google Patents

Woven protector for trocar seal assembly Download PDF

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Publication number
CA2483722A1
CA2483722A1 CA002483722A CA2483722A CA2483722A1 CA 2483722 A1 CA2483722 A1 CA 2483722A1 CA 002483722 A CA002483722 A CA 002483722A CA 2483722 A CA2483722 A CA 2483722A CA 2483722 A1 CA2483722 A1 CA 2483722A1
Authority
CA
Canada
Prior art keywords
protector
segment
section
assembly according
segments
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
CA002483722A
Other languages
French (fr)
Other versions
CA2483722C (en
Inventor
Geoffrey C. Hueil
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery Inc
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 Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of CA2483722A1 publication Critical patent/CA2483722A1/en
Application granted granted Critical
Publication of CA2483722C publication Critical patent/CA2483722C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • 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
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • 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
    • A61B17/3498—Valves therefor, e.g. flapper valves, slide valves
    • 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
    • A61B17/3474—Insufflating needles, e.g. Veress needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00477—Coupling
    • 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
    • A61B17/3462—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals
    • A61B2017/3464—Trocars; Puncturing needles with means for changing the diameter or the orientation of the entrance port of the cannula, e.g. for use with different-sized instruments, reduction ports, adapter seals with means acting on inner surface of valve or seal for expanding or protecting, e.g. inner pivoting fingers
    • 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
    • A61B2017/347—Locking means, e.g. for locking instrument in cannula

Landscapes

  • 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)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • Endoscopes (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

A seal assembly for use in conjunction with a trocar assembly includes a seal body adapted for sealing about an instrument inserted through the trocar assembly. The seal assembly also includes a protector adjacent the seal body for protecting the seal body from instruments passing through the seal body. The protector comprises a plurality of protector segments woven together in a non-planar arrangement.

Claims (24)

1. A seal assembly for use in conjunction with a trocar assembly, the seal assembly comprising:
a seal body adapted for sealing about an instrument inserted through the trocar assembly;
a protector adjacent the seal body for protecting the seal body from instruments passing through the seal body, the protector comprising a plurality of protector segments woven together in a non-planar arrangement.
2. The seal assembly according to claim 1, wherein each protector segment includes a peripheral edge and a protector member, each protector segment further includes a first section and a second section on opposite sides of the protector segment, wherein the protector segments are assembled in an overlapping woven arrangement to provide a complete protector with the first section lying over the second section of an adjacent protector segment.
3. The seal assembly according to claim 2, wherein the protector segments overlap such that as an instrument is inserted into the protector the protector segments spread, exposing additional portions of the protector segments positioned behind adjacent protector segments.
4. The seal assembly according to claim 2, wherein four protector segments are assembled to create the protector.
5. The seal assembly according to claim 2, wherein at least two protector segments are assembled to create the protector.
6. The seal assembly according to claim 2, wherein each of the protector segments is substantially semi-circular.
7. The seal assembly according to claim 2, wherein the protector member defines an arc of approximately 180 degrees.
8. The seal assembly according to claim 2, wherein the peripheral edge of each protector segment includes a series of apertures which function as a means of attachment for the protector segments.
9. The seal assembly according to claim 2, wherein a slot is formed within the peripheral edge of the each protector segment to reduce instrument insertion forces.
10. The seal assembly according to claim 2, wherein the protector includes four individual protector segments combined in a woven arrangement by placing a first section of a first protector segment upon a second section of a second protector segment, placing a first section of the second protector segment upon a second section of a third protector segment, placing a first section of the third protector segment upon a second section of a fourth protector segment and placing a first section of the fourth protector segment upon the second section of a first protector segment.
11. The seal assembly according to claim 10, wherein each protector segment is substantially cone shaped such that the resulting protector is cone shaped.
12. The seal assembly according to claim 1, wherein the protector contacts the seal body.
13. A trocar assembly, comprising:
a trocar cannula including a proximal end and distal end; and a trocar housing coupled to the proximal end of the trocar cannula for receiving and guiding an obturator through the trocar cannula, the trocar housing includes an open proximal end portion defining an opening provided with a proximal seal assembly and a distal seal assembly;
the proximal seal assembly including a seal body adapted for sealing about an instrument inserted through the trocar assembly and a protector adjacent the seal body for protecting the seal body from instruments passing through the seal body, the protector comprising a plurality of protector segments woven together in a non-planar arrangement.
14. The trocar assembly according to claim 13, wherein each protector segment includes a peripheral edge and a protector member, each protector segment further includes a first section and a second section on opposite sides of the protector segment, wherein the protector segments are assembled in an overlapping woven arrangement to provide a complete protector with the first section lying over the second section of an adjacent protector segment.
15. The trocar assembly according to claim 14, wherein the protector segments overlap such that as an instrument is inserted into the protector the protector segments spread, exposing additional portions of the protector segments positioned behind adjacent protector segments.
16. The trocar assembly according to claim 14, wherein four protector segments are assembled to create the protector.
17. The trocar assembly according to claim 14, wherein at least two protector segments are assembled to create the protector.
18. The trocar assembly according to claim 14, wherein each of the protector segments is substantially semi-circular.
19. The trocar assembly according to claim 14, wherein the protector member defines an arc of approximately 180 degrees.
20. The trocar assembly according to claim 14, wherein the peripheral edge of each protector segment includes a series of apertures which function as a means of attachment for the protector segments.
21. The trocar assembly according to claim 14, wherein a slot is formed within the peripheral edge of the each protector segment to reduce instrument insertion forces.
22. The trocar assembly according to claim 14, wherein the protector includes four individual protector segments combined in a woven arrangement by placing a first section of a first protector segment upon a second section of a second protector segment, placing a first section of the second protector segment upon a second section of a third protector segment, placing a first section of the third protector segment upon a second section of a fourth protector segment and placing a first section of the fourth protector segment upon the second section of a first protector segment.
23. The trocar assembly according to claim 22, wherein each protector segment is substantially cone shaped such that the resulting protector is cone shaped.
24. The trocar assembly according to claim 13, wherein the protector contacts the seal body.
CA2483722A 2003-09-30 2004-09-28 Woven protector for trocar seal assembly Expired - Fee Related CA2483722C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50678203P 2003-09-30 2003-09-30
US60/506,782 2003-09-30
US10/943,220 US7785294B2 (en) 2003-09-30 2004-09-17 Woven protector for trocar seal assembly

Publications (2)

Publication Number Publication Date
CA2483722A1 true CA2483722A1 (en) 2005-03-30
CA2483722C CA2483722C (en) 2012-08-21

Family

ID=34421551

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2483722A Expired - Fee Related CA2483722C (en) 2003-09-30 2004-09-28 Woven protector for trocar seal assembly

Country Status (11)

Country Link
US (1) US7785294B2 (en)
EP (3) EP2174604A1 (en)
JP (1) JP4727195B2 (en)
CN (1) CN100400005C (en)
AT (1) ATE460120T1 (en)
AU (1) AU2004216611B2 (en)
BR (1) BRPI0406008B8 (en)
CA (1) CA2483722C (en)
DE (1) DE602004025890D1 (en)
ES (1) ES2339768T3 (en)
MX (1) MXPA04009628A (en)

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ATE460120T1 (en) 2010-03-15
EP2179700A1 (en) 2010-04-28
BRPI0406008A (en) 2005-05-24
DE602004025890D1 (en) 2010-04-22
BRPI0406008B1 (en) 2014-01-28
US20050077689A1 (en) 2005-04-14
AU2004216611A1 (en) 2005-04-14
EP1520539B1 (en) 2010-03-10
EP1520539A1 (en) 2005-04-06
MXPA04009628A (en) 2006-03-14
EP2179700B1 (en) 2013-07-17
ES2339768T3 (en) 2010-05-25
EP2174604A1 (en) 2010-04-14
BRPI0406008B8 (en) 2016-08-09
CN100400005C (en) 2008-07-09
AU2004216611B2 (en) 2010-01-21
JP4727195B2 (en) 2011-07-20
CA2483722C (en) 2012-08-21
US7785294B2 (en) 2010-08-31
JP2005111263A (en) 2005-04-28
CN1689531A (en) 2005-11-02

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