CA2505638A1 - Sheath introduction apparatus and method - Google Patents

Sheath introduction apparatus and method Download PDF

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Publication number
CA2505638A1
CA2505638A1 CA002505638A CA2505638A CA2505638A1 CA 2505638 A1 CA2505638 A1 CA 2505638A1 CA 002505638 A CA002505638 A CA 002505638A CA 2505638 A CA2505638 A CA 2505638A CA 2505638 A1 CA2505638 A1 CA 2505638A1
Authority
CA
Canada
Prior art keywords
sheath
assembly
lumen
tubular
sectional area
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
CA002505638A
Other languages
French (fr)
Other versions
CA2505638C (en
Inventor
Richard D. Gresham
Thomas Wenchell
Robert De Santis
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
Publication of CA2505638A1 publication Critical patent/CA2505638A1/en
Application granted granted Critical
Publication of CA2505638C publication Critical patent/CA2505638C/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
    • A61B17/34—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
    • A61B17/3431—Cannulas being collapsible, e.g. made of thin flexible material
    • 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
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
    • 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
    • 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
    • A61B17/34—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
    • A61B2017/348—Means for supporting the trocar against the body or retaining the trocar inside the body
    • A61B2017/3482—Means for supporting the trocar against the body or retaining the trocar inside the body inside
    • A61B2017/349—Trocar with thread on outside

Abstract

The present disclosure relates to a sheath system for enabling access throug h an opening in the body of a patient is provided. The sheath system includes a dilation assembly having a radially expandable tubular sheath defining a lum en having a first cross-sectional area when in a non-expanded condition, and a handle assembly operatively coupled to a proximal end of tubular sheath, the handle assembly defining an aperture formed therein, and a first thread defined on the handle in the aperture thereof. The sheath system further includes an expansion assembly including a tubular member defining a lumen having a second cross-sectional area which is larger than the first cross- sectional area of the tubular sheath of the dilation assembly and having an outer surface defining a second thread, the second thread being arranged for engaging the first thread.

Claims (28)

1. A sheath system for enabling access through an opening in the body of a patient, the sheath system comprising:
a dilation assembly having a radially expandable tubular sheath defining a lumen having a first cross-sectional area when in a non-expanded condition, and a handle assembly operatively coupled to a proximal end of the tubular sheath, the handle assembly defining an aperture formed therein, and a first thread defined on the handle in the aperture thereof; and an expansion assembly including a tubular member defining a lumen having a second cross-sectional area which is larger than the first cross-sectional area of the tubular sheath of the dilation assembly and having an outer surface defining a second thread, the second thread being arranged for engaging the first thread.
2. The sheath system according to claim 1, further comprising an introducer sized for receipt in the lumen of the radially expandable sheath, when the radially expandable sheath is in the non-expanded condition.
3. The sheath system according to claim 1, wherein the tubular member of the expansion assembly is configured and dimensioned to be removably received within the aperture formed in the handle assembly of the dilation assembly.
4. The sheath system according to claim 2, wherein the tubular sheath of the dilation assembly comprises a mesh of individual filaments.
5. The sheath system according to claim 4, wherein the filaments are elastic so that radial expansion of the tubular sheath causes axial shortening of the tubular sheath.
6. The sheath system according to claim 2, wherein the tubular sheath comprises a tubular braid of individual filaments.
7. The sheath system according to claim 2, wherein the shaft of the introducer is removably receivable within the lumen of the tubular sheath.
8. The sheath system according to claim 3, wherein distal advancement of the tubular member of the expansion assembly results in radial expansion of the tubular sheath from the first cross-sectional area to the second cross-sectional area.
9. The sheath system according to claim 8, further comprising a seal at the proximal end of the expansion assembly.
10. The sheath system according to claim 9, wherein the seal is made from at least one of an elastomeric polymeric material and polyisoprene.
11. The sheath system according to claim 8, further comprising a dilator configured and dimensioned to be removably received within the lumen of the tubular member of the expansion assembly.
12. The sheath system according to claim 11, wherein a distal end of the dilator is tapered.
13. The sheath system according to claim 12, wherein the distal end of the dilator defines threads.
14. The sheath system according to claim 12, wherein the dilator has a length such that when the dilator is received within the lumen of the tubular member, the tapered distal end thereof extends beyond a distal end of the tubular member.
15. The sheath system according to claim 14, wherein the shaft of the introduces has a length such that when the introduces is received within the lumen of the tubular sheath, a distal end thereof extends beyond a distal end of the tubular sheath.
16. The sheath system according to claim 9, further comprising a converter configured and dimensioned to be removably attached to a proximal end of the expansion assembly, the converter including an aperture formed therein, the aperture of the converter having a cross-sectional area less than a cross-sectional area of the opening formed in the seal of the expansion assembly.
17. A method of using a sheath system to enable access through an opening in the body of a patient, comprising:
inserting a dilation assembly, having a radially expandable sheath defining a lumen and a proximal housing defining an aperture and a first thread in the aperture, into the opening in the body of the patient; and introducingan expansion assembly, having a tubular member with an outer surface defining a second thread, into the lumen of the dilation assembly to radially expand the lumen of dilation assembly and the opening in the body of the patient, the introduction including engaging the first thread with the second thread.
18. The method according to claim 17, further comprising inserting an introduces into the dilation assembly prior to the step of inserting the dilation assembly.
19. The method according to claim 17, further comprising inserting a dilator into the expansion assembly prior to the step of introducing the expansion assembly.
20. The method according to claim 17, wherein the lumen of the dilation assembly has a first cross-sectional area and the lumen of the expansion assembly has a second cross-sectional area which is larger that the first cross-sectional area of the lumen of the dilation assembly.
21. The method according to claim 20, wherein the sheath is made from a mesh of individual filaments.
22. The method according to claim 21, wherein radial expansion of the tubular sheath causes axial shortening of the sheath.
23. The method according to claim 17, wherein the introduction of the expansion assembly includes distal advancement of the tubular member of the expansion assembly through the sheath of the dilation assembly, resulting in radial expansion of the sheath.
24. The method according to claim 17, wherein engaging the first thread with the second thread includes rotation of the tubular member with respect to the dilation assembly.
25. The method according to claim 17, wherein the expansion assembly includes a seal disposed across the lumen of the tubular member, the seal including an opening formed therein, and the method further includes introducing an instrument into the tubular member through the opening of the seal.
26. The method according to claim 25, further including removably attaching a converter to a proximal end of the tubular member, wherein an opening formed in the converter has a cross-sectional area which is less than the cross-sectional area of the opening formed within the seal.
27. A method of providing access through an opening in the body of a patient, comprising:
making a skin incision;
inserting into the skin incision a dilation assembly, having a radially expandable sheath defining a lumen and a blunt introducer disposed in the lumen;
removing the blunt introducer from the lumen; and introducing an expansion assembly, having a tubular member into the lumen of the dilation assembly to radially expand the lumen of the dilation assembly and the incision in the body of the patient.
28. The method of claim 27, wherein a dilator is disposed in the tubular member when the expansion assembly is introduced into the lumen of the dilation assembly.
CA2505638A 2002-11-22 2003-11-24 Sheath introduction apparatus and method Expired - Fee Related CA2505638C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42904902P 2002-11-22 2002-11-22
US60/429,049 2002-11-22
PCT/US2003/037540 WO2004047654A2 (en) 2002-11-22 2003-11-24 Sheath introduction apparatus and method

Publications (2)

Publication Number Publication Date
CA2505638A1 true CA2505638A1 (en) 2004-06-10
CA2505638C CA2505638C (en) 2011-10-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2505638A Expired - Fee Related CA2505638C (en) 2002-11-22 2003-11-24 Sheath introduction apparatus and method

Country Status (8)

Country Link
US (2) US7896897B2 (en)
EP (1) EP1562493B1 (en)
JP (2) JP4456488B2 (en)
AU (1) AU2003295878B2 (en)
CA (1) CA2505638C (en)
DE (1) DE60331463D1 (en)
ES (1) ES2340379T3 (en)
WO (1) WO2004047654A2 (en)

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US8753368B2 (en) 2014-06-17
CA2505638C (en) 2011-10-25
JP2010104802A (en) 2010-05-13
WO2004047654A3 (en) 2004-08-26
AU2003295878A1 (en) 2004-06-18
US20110144618A1 (en) 2011-06-16
JP2006507097A (en) 2006-03-02
DE60331463D1 (en) 2010-04-08
EP1562493B1 (en) 2010-02-24
JP4456488B2 (en) 2010-04-28
WO2004047654A2 (en) 2004-06-10
US20040172041A1 (en) 2004-09-02
JP4934188B2 (en) 2012-05-16
ES2340379T3 (en) 2010-06-02
US7896897B2 (en) 2011-03-01
AU2003295878B2 (en) 2008-07-10
EP1562493A2 (en) 2005-08-17

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