US5810850A
Expired / Lapsed
US
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Apparatus and method for positive closure of an internal tissue membrane opening
Assignee: Indiana University Research and Technology Corp
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Filing: 1997-09-23
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Granted: 1998-09-22
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Expires: 2017-09-23
Abstract
Abstract The invention provides a device having two components: a needle advancing apparatus slidable longitudinally along a catheter to advance needles into a tissue membrane, such as a blood vessel wall, around an opening in the membrane; and, a suture retrieval assembly insertable through the catheter beyond a distal side of the tissue membrane. The needle advancing apparatus advances suture through the tissue wall. The suture retrieval assembly grabs the suture on the distal side of the tissue membrane for extraction thereof through the opening in the tissue membrane. A method for suturing a membrane beneath the patient's skin is also disclosed.
Inventors
- 👤 David Hathaway
- 👤 Brian Patton
- 👤 Keith L. March
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:31
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/04; A61B17/0469; A61B17/0057; A61B2017/00637; A61B2017/00646; A61B2017/00663; A61B2017/00668; A61B2017/00982; A61B2017/00986; A61B17/28; A61B17/29; A61B2017/2901; A61B2017/2905
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
92 words
A method for closure of an opening in a membrane of a blood vessel, the membrane having a distal side and proximal side, said method comprising: introducing at least two needles in a distal direction through an opening in the skin above the blood vessel opening; advancing the two needles through the blood vessel membrane at two suture locations adjacent the blood vessel opening to form penetrations; positioning suture material through the penetrations to span the opening in the blood vessel membrane; and drawing the suture locations together with said suture material.
Claim 2
Independent Claim
92 words
A method for closure of an opening in a membrane of a blood vessel, the membrane having a distal side and proximal side, said method comprising: introducing at least two needles in a distal direction through an opening in the skin above the blood vessel opening; advancing the two needles through the blood vessel membrane at two suture locations adjacent the blood vessel opening to form penetrations; positioning suture material through the penetrations to span the opening in the blood vessel membrane; and drawing the suture locations together with said suture material.
Claim 3
Dependent Claim
13 words
A method as in claim 1, wherein the two needles are introduced simultaneously.
Claim 4
Dependent Claim
18 words
A method as in claim 2, wherein the two needles are advanced through the blood vessel membrane simultaneously.
Claim 5
Dependent Claim
21 words
A method as in claim 1, wherein the suture material spans the distal side of the opening in a continuous length.
Claim 6
Dependent Claim
22 words
A method as in claim 1, wherein the suture material is positioned through the penetrations by at least one of the needles.
Claim 7
Dependent Claim
67 words
A method as in claim 5, wherein the positioning step comprises: introducing suture material in a distal direction through a first penetration at a first suture location; capturing an end of the suture material on the distal side of the blood vessel membrane; and pulling the captured end of the length of suture through a second membrane penetration at a second suture location in a proximal direction.
Claim 8
Independent Claim
115 words
A method for closure of an opening in a membrane of a blood vessel, the membrane having a distal side and a proximal side, said method comprising: advancing a needle through an opening in the skin above the opening in the blood vessel membrane to penetrate the membrane adjacent the opening to form a first suture location; advancing a needle through the opening in the skin above the opening in the blood vessel membrane to penetrate the membrane adjacent the opening to form a second suture location; positioning suture material through the first and second penetrations to span the distal side of the blood vessel opening; drawing the suture locations together with said suture material.
Claim 9
Independent Claim
115 words
A method for closure of an opening in a membrane of a blood vessel, the membrane having a distal side and a proximal side, said method comprising: advancing a needle through an opening in the skin above the opening in the blood vessel membrane to penetrate the membrane adjacent the opening to form a first suture location; advancing a needle through the opening in the skin above the opening in the blood vessel membrane to penetrate the membrane adjacent the opening to form a second suture location; positioning suture material through the first and second penetrations to span the distal side of the blood vessel opening; drawing the suture locations together with said suture material.
Claim 10
Dependent Claim
40 words
A method as in claim 7, wherein a first needle is penetrated through the blood vessel membrane to form the first suture location and a second needle is penetrated through the blood vessel membrane to form the second suture location.
Claim 11
Dependent Claim
20 words
A method as in claim 8, wherein the first and second needles are penetrated simultaneously through the blood vessel membrane.
Claim 12
Dependent Claim
31 words
A method as in claim 7, wherein the positioning step comprises pulling the suture material from the first suture location through the second suture location and proximally through the skin opening.
Claim 13
Dependent Claim
21 words
A method as in claim 10, wherein the suture material is positioned through the first suture location by the first needle.
Claim 14
Independent Claim
86 words
A method for closure of an opening in a membrane of a blood vessel, the membrane having a distal side and a proximal side, said method comprising: introducing suture material through a first penetration in the blood vessel membrane adjacent to the opening therein; capturing a free end of the suture material; pulling the free end of the suture material through a second penetration in the blood vessel wall to span the distal side of the opening; and drawing the penetrations together with the suture material.
Claim 15
Independent Claim
86 words
A method for closure of an opening in a membrane of a blood vessel, the membrane having a distal side and a proximal side, said method comprising: introducing suture material through a first penetration in the blood vessel membrane adjacent to the opening therein; capturing a free end of the suture material; pulling the free end of the suture material through a second penetration in the blood vessel wall to span the distal side of the opening; and drawing the penetrations together with the suture material.
Claim 16
Dependent Claim
36 words
A method as in claim 12, wherein the suture material introducing step comprises advancing a needle to form the first penetration and simultaneously introducing the suture material to the distal side of the blood vessel membrane.
Claim 17
Dependent Claim
31 words
A method as in claim 13, wherein the capturing step comprises introducing a suture loop through the second penetration and threading the free end of the suture material through the loop.
Claim 18
Dependent Claim
36 words
A method as in claim 14, wherein the suture loop introducing step comprises advancing a needle to form the second penetration and simultaneously introducing the suture loop to the distal side of the blood vessel membrane.
Claim 19
Dependent Claim
30 words
A method as in claim 14, wherein the pulling step comprises pulling the suture loop proximally through the second penetration to carry the free end of the suture material therewith.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-09-21 | 2002-03-23 | 2002-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-09-21 | 2006-03-23 | 2006-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-09-21 | 2010-03-23 | 2010-09-22 | $7700.00 | Window Closed / Lapsed |