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WO1996005881B1 - Adjustable surgical retractor - Google Patents

Adjustable surgical retractor

Info

Publication number
WO1996005881B1
WO1996005881B1 PCT/US1995/010737 US9510737W WO9605881B1 WO 1996005881 B1 WO1996005881 B1 WO 1996005881B1 US 9510737 W US9510737 W US 9510737W WO 9605881 B1 WO9605881 B1 WO 9605881B1
Authority
WO
WIPO (PCT)
Prior art keywords
tubular body
sectional area
axial
cross
control
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.)
Ceased
Application number
PCT/US1995/010737
Other languages
French (fr)
Other versions
WO1996005881A1 (en
Filing date
Publication date
Priority claimed from US08/294,330 external-priority patent/US5460170A/en
Application filed filed Critical
Priority to EP95930933A priority Critical patent/EP0777508A4/en
Priority to JP8508291A priority patent/JPH10504743A/en
Priority to AU34139/95A priority patent/AU3413995A/en
Publication of WO1996005881A1 publication Critical patent/WO1996005881A1/en
Publication of WO1996005881B1 publication Critical patent/WO1996005881B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Abstract

Disclosed is a self-retaining surgical retractor (10) suitable for use in small surgical incisions or punctures, able to expand the incision or puncture to one or more enlarged cross-sectional areas and designed to protect the edges of the incision or puncture. The surgical retractor (10) comprises a radially expandable tubular body (20) having a control (60) at the proximal end (22). Pull wires (100) couple the control (60) to the tubular body (20) such that force applied to the control (60) is transmitted to the tubular body (20) as axially compressive force.

Claims

AMENDED CLAIMS
[received by the International Bureau on 19 February 1996 (19.02.96); original claim 18 amended; remaining claims unchanged (1 page)]
18. A method of treating a mammal, comprising the steps of:
(a) providing a surgical retractor according to Claim 1;
(b) placing at least one segment of the surgical retractor into an opening in biological tissue of the mammal;
(c) actuating the control to cause radial expansion of at least one portion of the axial lumen due to radial expansion of the tubular body from a first cross- sectional area to a second larger cross-sectional area while simultaneously shortening the axial length of the tubular body, thereby causing a corresponding expansion in the opening;
(d) inserting an instrument into the axial lumen to effectuate treatment;
(e) removing the instrument;
(0 actuating the control to cause radial contraction of said at least one portion of the axial lumen due to radial contraction of the tubular body from the second larger cross-sectional, area to a smaller cross-sectional area while simultaneously lengthening the axial length of the tubular body, thereby permitting a corresponding contraction in the opening; and
(g) removing the surgical retractor from the opening.
19. An adjustable puncture expander, comprising:
a radially expandable tubular body having a radially expandable axial lumen therethrough, the tubular body having a proximal end and a distal end, the distal end having an axially facing radially expandable aperture in communication with said axial lumen, the axial lumen being expandable from a firit cross-sectional area to a second, larger cross-sectional area upon axial compression of said tubular body; a control on the proximal end of the tubular body; and
at least two pull wires extending distally from the control to a point of attachment to the tubular body;
wherein activation of the control to advance the pull wires in an axial, proximal direction causes an axial compression of the tubular body and radial expansion of at least a distal segment of the axial lumen from the first cross-sectional area to the second cross-sectional area, thereby causing a corresponding expansion of at least the axially facing aperture at the distal end of the tubular body.
20. An adjustable puncture expander as in Claim 19, wherein the tubular body comprises an expandable tubular mesh.
PCT/US1995/010737 1994-08-23 1995-08-23 Adjustable surgical retractor Ceased WO1996005881A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP95930933A EP0777508A4 (en) 1994-08-23 1995-08-23 Adjustable surgical retractor
JP8508291A JPH10504743A (en) 1994-08-23 1995-08-23 Adjustable surgical retractor
AU34139/95A AU3413995A (en) 1994-08-23 1995-08-23 Adjustable surgical retractor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/294,330 1994-08-23
US08/294,330 US5460170A (en) 1994-08-23 1994-08-23 Adjustable surgical retractor

Publications (2)

Publication Number Publication Date
WO1996005881A1 WO1996005881A1 (en) 1996-02-29
WO1996005881B1 true WO1996005881B1 (en) 1996-03-14

Family

ID=23132946

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/010737 Ceased WO1996005881A1 (en) 1994-08-23 1995-08-23 Adjustable surgical retractor

Country Status (6)

Country Link
US (1) US5460170A (en)
EP (1) EP0777508A4 (en)
JP (1) JPH10504743A (en)
AU (1) AU3413995A (en)
CA (1) CA2198126A1 (en)
WO (1) WO1996005881A1 (en)

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