Seal anchor for use in surgical procedures

Patent metadata

Field	Value
Publication number	US-9532801-B2
Application number	US-201414486204-A
Country	US
Kind code	B2
Filing date	Sep 15, 2014
Priority date	Nov 23, 2010
Publication date	Jan 3, 2017
Grant date	Jan 3, 2017

Abstract

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, includes a seal anchor member comprising a compressible material and being adapted to transition between a first expanded condition to facilitate securing of the seal anchor member within the tissue tract and in substantial sealed relation with tissue surfaces defining the tissue tract and a second compressed condition to facilitate at least partial insertion of the seal anchor member within the tissue tract. The seal anchor member defines a central longitudinal axis and has leading and trailing ends. At least one longitudinal object port extends between the leading and trailing ends and is adapted for reception of a surgical object whereby compressible material defining the at least one longitudinal object port is adapted to deform to establish a substantial sealed relation with the object. The seal anchor member includes at least two separable anchor segments dimensioned to be positioned in adjacent stacked relation to selectively alter the longitudinal length of the seal anchor member to accommodate tissue tracts of different lengths.

First claim

What is claimed is:

1. A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, comprising:
a seal anchor member transitionable between an expanded condition and a compressed condition, the seal anchor member including a distal end, a proximal end, a longitudinal length defined between the proximal and distal ends, and a plurality of anchor segments selectively arranged in superposed relation along a longitudinal axis defined by the seal anchor member, each anchor segment defining an object port segment and a supplemental port segment spaced apart from the object port segment, the object port segments being aligned to define a longitudinal object port configured to receive a surgical object therethrough, the supplemental port segments being aligned to define a longitudinal supplemental port dimensioned to receive a securing member configured to retain the plurality of anchor segments in the superposed relation along the longitudinal axis of the seal anchor member, wherein the object port segment of a proximal-most anchor segment of the plurality of anchor segments is obstructed from the supplemental port segment of the proximal-most anchor segment such that the longitudinal object port and the longitudinal supplemental port are completely closed off from one another along the entire length of the seal anchor member.

2. The surgical apparatus according to claim 1 , wherein the longitudinal object port is configured to receive the surgical object in a sealing relation.

3. The surgical apparatus according to claim 1 , wherein the seal anchor member comprises one of a foam material or a gel material.

4. The surgical apparatus according to claim 1 , wherein the securing member is coupled to the distal end of the seal anchor member.

5. The surgical apparatus according to claim 4 , wherein the securing member includes a flexible filament.

6. The surgical apparatus according to claim 4 , wherein the securing member includes a rigid element.

7. The surgical apparatus according to claim 1 , wherein the seal anchor member includes at least three anchor segments.

8. The surgical apparatus according to claim 1 , wherein the plurality of anchor segments include a leading anchor segment, a trailing anchor segment, and an intermediate anchor segment, at least one of the leading or the trailing anchor segments having a flange portion.

9. The surgical apparatus according to claim 8 , wherein the leading and the trailing anchor segments each include a flange portion.

10. The surgical apparatus according to claim 1 , wherein the seal anchor member further defines a plurality of longitudinal object ports.

11. A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, comprising:
a seal anchor member transitionable between an expanded condition and a compressed condition, the seal anchor member including a distal end, a proximal end, a longitudinal length defined between the proximal and distal ends, a plurality of anchor segments arranged in superposed relation along a longitudinal axis defined by the seal anchor member, each anchor segment selectively removable, the seal anchor member defining a longitudinal object port configured to receive a surgical object therethrough, and a longitudinal channel dimensioned to receive a securing member configured to retain the plurality of anchor segments in the superposed relation along the longitudinal axis of the seal anchor member, wherein a proximal-most portion of the longitudinal channel is obstructed from a proximal-most portion of the longitudinal object port when the plurality of anchor segments are arranged in the superposed relation along the longitudinal axis of the seal anchor member such that the longitudinal object port and the longitudinal channel are completely closed off from one another along the entire length of the seal anchor member.

12. The surgical apparatus according to claim 11 , wherein each anchor segment defines a port segment, the port segments of the plurality of anchor segments being aligned to define the longitudinal object port extending between distal and proximal ends of the seal anchor member.

13. The surgical apparatus according to claim 11 , wherein the securing member is coupled to a distal end of the seal anchor member.

14. The surgical apparatus according to claim 11 , wherein the plurality of anchor segments include a leading anchor segment, a trailing anchor segment, and an intermediate anchor segment, at least one of the leading or the trailing anchor segments having a flange portion.

15. The surgical apparatus according to claim 14 , wherein the leading and the trailing anchor segments each include a flange portion.

16. The surgical apparatus according to claim 11 , wherein the longitudinal object port extends along the entire length of the seal anchor member.

Assignees

• Covidien Lp

Inventors

• Davis Michael

Classifications

• A61B17/3423 Primary

  Access ports, e.g. toroid shape introducers for instruments or hands (access sites for liquids A61M39/0247) · CPC title

• A61B2017/3429

  having a unitary compressible body, e.g. made of silicone or foam · CPC title

• A61B2017/3443

  with means for adjusting the length of a cannula · CPC title