US4351322A — Stoma control device and method

Claim 1

Independent Claim 263 words

A stoma control device comprising, in combination, support means for surgical implantation in the body beneath the abdominal wall and at least substantially around the emerging bowel of a stoma, said support means being adapted to be fastened securely to the abdominal wall and to extend a predetermined distance along said bowel, and said support means including an at least substantially continuous inner wall means having an inner surface which is positioned adjacent said bowel on implantation and which is tapered outwardly along at least most of the length of said support means, and said support means having an end surface for positioning adjacent the abdominal wall, and plug means adapted to be received in said stoma and within said bowel, said plug means including outwardly directed flange means adjacent one end for cooperation with the outer surface of the body about the stoma and expandable means adjacent the other end, said expandable means, on expansion, presenting an outer surface which is outwardly tapered with a shape which complements the outwardly tapered inner surface of said support means over at least most of the length of said support means whereby during control of the stoma with said device a relatively large surface of the bowel may be gently compressed between the respective tapered surfaces of the plug means and the support means so as to minimize pressure and tissue destruction and to produce a wedging action of the plug means within the bowel and support means to close the stoma and to prevent expulsion of the plug means from pressure within the bowel.

Claim 2

Dependent Claim 263 words

A stoma control device comprising, in combination, support means for surgical implantation in the body beneath the abdominal wall and at least substantially around the emerging bowel of a stoma, said support means being adapted to be fastened securely to the abdominal wall and to extend a predetermined distance along said bowel, and said support means including an at least substantially continuous inner wall means having an inner surface which is positioned adjacent said bowel on implantation and which is tapered outwardly along at least most of the length of said support means, and said support means having an end surface for positioning adjacent the abdominal wall, and plug means adapted to be received in said stoma and within said bowel, said plug means including outwardly directed flange means adjacent one end for cooperation with the outer surface of the body about the stoma and expandable means adjacent the other end, said expandable means, on expansion, presenting an outer surface which is outwardly tapered with a shape which complements the outwardly tapered inner surface of said support means over at least most of the length of said support means whereby during control of the stoma with said device a relatively large surface of the bowel may be gently compressed between the respective tapered surfaces of the plug means and the support means so as to minimize pressure and tissue destruction and to produce a wedging action of the plug means within the bowel and support means to close the stoma and to prevent expulsion of the plug means from pressure within the bowel.

Claim 3

Dependent Claim 28 words

A stoma control device according to claim 1, wherein the outer surface of said expandable means is outwardly tapered over essentially the entire length of said expandable means.

Claim 4

Dependent Claim 27 words

A stoma control device according to claim 1, wherein the inner surface of said support means taper outwardly over substantially the entire length of said support means.

Claim 5

Dependent Claim 58 words

A stoma control device according to claim 1, wherein the area of the outwardly tapered portion of the inner surface of said support means is at least approximately one and one-half times the minimum cross sectional area of the bowel supported on said outwardly tapered portion of the inner surface during control of said stoma with the device.

Claim 6

Dependent Claim 26 words

A stoma control device according to claim 1, wherein the respective tapered surfaces of the plug means and the support means are approximately the same length.

Claim 7

Dependent Claim 16 words

A stoma control device according to claim 1, wherein said expandable means is an inflatable balloon.

Claim 8

Dependent Claim 40 words

A stoma control device according to claim 6, wherein said plug means includes means permitting inflation and deflation of said balloon, air passage means being provided in said plug means between said balloon and said means permitting inflation and deflation.

Claim 9

Dependent Claim 25 words

A stoma control device according to claim 7, wherein said means permitting inflation and deflation accepts a syringe for inflation and deflation of said balloon.

Claim 10

Dependent Claim 54 words

A stoma control device according to claim 1, wherein the length of the expandable means is less than or approximately equal to the length of said support means so that at least most of the expandable means can be positioned radially inwardly of the support means during control of the stoma with said device.

Claim 11

Dependent Claim 53 words

A stoma control device according to claim 1 or 3, wherein the length of the expandable means is substantially the same as the length of said support means so that substantially all of the expandable means can be positioned radially inwardly of the support means during control of the stoma with said device.

Claim 12

Dependent Claim 19 words

A stoma control device according to claim 1, wherein said support means is formed of a relatively soft material.

Claim 13

Dependent Claim 18 words

A stoma control device according to claim 11, wherein said support means is formed of a soft plastic.

Claim 14

Dependent Claim 16 words

A stoma control device according to claim 12, wherein said support means is formed of silicone.

Claim 15

Dependent Claim 15 words

A stoma control device according to claim 12, wherein said support means contains silicone gel.

Claim 16

Dependent Claim 20 words

A stoma control device according to claim 1, wherein said support means is a ring having a continuous circular form.

Claim 17

Dependent Claim 26 words

A stoma control device according to claim 1, wherein said support means is a ring which is broken so as to allow placement around the bowel.

Claim 18

Dependent Claim 18 words

A stoma control device according to claim 1, wherein the tapered surface of said support means is linear.

Claim 19

Dependent Claim 18 words

A stoma control device according to claim 1, wherein the tapered surface of said support means is curvilinear.

Claim 20

Dependent Claim 28 words

A stoma control device according to claim 1, wherein the respective tapered surfaces of the support means and the plug means are in the form of truncated cones.

Claim 21

Dependent Claim 55 words

A stoma control device according to claim 1, wherein said support means is a ring, said end surface of the support means ring for positioning adjacent the abdominal wall being provided on its outer perimeter with at least one perforated suture tab for securely fastening the support means to the abdominal wall of the body.

Claim 22

Dependent Claim 18 words

A stoma control device according to claim 1, wherein the tapers of the respective tapered surfaces are linear.

Claim 23

Dependent Claim 294 words

A stoma control device comprising, in combination, support means for surgical implantation in the body beneath the abdominal wall and at least substantially around the emerging bowel of a stoma, said support means being adapted to be fastened securely to the abdominal wall and to extend a predetermined distance along said bowel, and said support means including an at least substantially continuous inner wall means having an inner surface which is positioned adjacent said bowel on implantation and which defines an opening through which the bowel passes, the cross sectional area of said opening increasing in a direction into said stoma over at least most of the length of said support means, and said support means having an end surface for positioning adjacent the abdominal wall, and plug means adapted to be received in said stoma and within said bowel, said plug means including outwardly directed flange means adjacent one end for cooperation with the outer surface of the body about the stoma and expandable means adjacent the other end, said expandable means, on expansion, presenting an outer surface whose cross sectional area increases in a direction into said stoma over at least most of the length of said support means and in a manner similar to the increase in cross sectional area of said opening defined by said inner surface of the support means whereby during control of the stoma with said device a relatively large surface of the bowel may be gently compressed between the plug means and the support means so as to minimize pressure and tissue destruction and to produce a wedging action of the plug means within the bowel and support means to close the stoma and to prevent expulsion of the plug means from pressure within the bowel.

Claim 24

Dependent Claim 294 words

A stoma control device comprising, in combination, support means for surgical implantation in the body beneath the abdominal wall and at least substantially around the emerging bowel of a stoma, said support means being adapted to be fastened securely to the abdominal wall and to extend a predetermined distance along said bowel, and said support means including an at least substantially continuous inner wall means having an inner surface which is positioned adjacent said bowel on implantation and which defines an opening through which the bowel passes, the cross sectional area of said opening increasing in a direction into said stoma over at least most of the length of said support means, and said support means having an end surface for positioning adjacent the abdominal wall, and plug means adapted to be received in said stoma and within said bowel, said plug means including outwardly directed flange means adjacent one end for cooperation with the outer surface of the body about the stoma and expandable means adjacent the other end, said expandable means, on expansion, presenting an outer surface whose cross sectional area increases in a direction into said stoma over at least most of the length of said support means and in a manner similar to the increase in cross sectional area of said opening defined by said inner surface of the support means whereby during control of the stoma with said device a relatively large surface of the bowel may be gently compressed between the plug means and the support means so as to minimize pressure and tissue destruction and to produce a wedging action of the plug means within the bowel and support means to close the stoma and to prevent expulsion of the plug means from pressure within the bowel.

Claim 25

Independent Claim 235 words

A method of controlling a stoma comprising the steps of surgically implanting a support means in the body beneath the abdominal wall and at least substantially around the emerging bowel of a stoma by securely fastening said support means to the abdominal wall, said support means including an at least substantially continuous inner wall means having an inner surface which is positioned adjacent the bowel, said inner surface being tapered outwardly along at least most of the length of said support means, and said support means having an end surface which is positioned adjacent the abdominal wall, inserting a plug means in said stoma and within said bowel, said plug means including outwardly directed flange means adjacent one end and expandable means adjacent the other end, said expandable means, on expansion, presenting an outer surface which is outwardly tapered with a shape which complements the outwardly tapered surface of the support means over at least most of the length of said support means, and expanding said expandable means to gently compress a relatively large surface of the bowel between the respective tapered surfaces of the plug means and the support means whereby pressure and tissue destruction are minimized during control of the stoma and a wedging action of the plug means within the bowel and support means is produced to close the stoma and prevent expulsion of the plug means from pressure within the bowel.

Claim 26

Independent Claim 235 words

A method of controlling a stoma comprising the steps of surgically implanting a support means in the body beneath the abdominal wall and at least substantially around the emerging bowel of a stoma by securely fastening said support means to the abdominal wall, said support means including an at least substantially continuous inner wall means having an inner surface which is positioned adjacent the bowel, said inner surface being tapered outwardly along at least most of the length of said support means, and said support means having an end surface which is positioned adjacent the abdominal wall, inserting a plug means in said stoma and within said bowel, said plug means including outwardly directed flange means adjacent one end and expandable means adjacent the other end, said expandable means, on expansion, presenting an outer surface which is outwardly tapered with a shape which complements the outwardly tapered surface of the support means over at least most of the length of said support means, and expanding said expandable means to gently compress a relatively large surface of the bowel between the respective tapered surfaces of the plug means and the support means whereby pressure and tissue destruction are minimized during control of the stoma and a wedging action of the plug means within the bowel and support means is produced to close the stoma and prevent expulsion of the plug means from pressure within the bowel.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1985-09-27	1986-03-29	1986-09-28	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1989-09-27	1990-03-29	1990-09-28	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1993-09-27	1994-03-29	1994-09-28	$7700.00	Window Closed / Lapsed

Stoma control device and method

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