Patent EP0482350B1 successfully refreshed from Google Patents.
EP0482350B1
Expired / Lapsed
EP
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Device for sealing puncture wounds
Assignee: Datascope Investment Corp
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Filing: 1991-09-18
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Granted: 1996-12-27
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Expires: 2011-09-18
Abstract
No abstract record available.
Inventors
- 👤 Ernst Dipl.-Ing. Janzen
- 👤 Günter Dipl.-Ing. Rüttgers
- 👤 Lawrence Saper
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 21:51
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/0057; A61B2017/00637; A61B2017/00646; A61B2017/00654
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
188 words
A device for inserting hemostatic material (57, 93) through a tissue channel (9) and against a blood vessel wall (11) of a patient wherein said blood vessel wall (11) has a puncture (13) therein adjacent said tissue channel (9), comprising (a) a charge of hemostatic material (57, 93) (b) a hollow sheath (23, 45) (c) means (29, 63, 73, 91) for placing said hemostatic material (57, 93) in said hollow sheath (23, 45), and (d) means (33, 69, 95) for advancing said hemostatic material (57, 93) through said sheath (23, 45), characterized in that (e) said hollow sheath (23, 45), said means (29, 63, 73, 91) for placing and said means (33, 69, 95) for advancing have relative lengths such that as said means (33, 69, 95) for advancing is moved inward with said hemostatic material (57, 93) in front of said means (33, 69, 95) for advancing in the movement direction, said hemostatic material (57, 93) emerges from a distal end of said hollow sheath (23, 45) and away from said sheath towards the final position of said hemostatic material without substantial retraction of said hemostatic material.
Claim 2
Dependent Claim
22 words
The device of claim 1 further comprising a tissue dilator (17), wherein said sheath is adapted to fit over said tissue dilator.
Claim 3
Dependent Claim
149 words
The device according to claim 1 for use in sealing a puncture (13) in a wall (11) of a blood vessel of a patient where said blood vessel is separated from the skin of the patient by a layer of tissue, where a tissue channel (9) communicates between said puncture (13) and the patient's skin and where a guide wire (15) having proximal and distal ends extends at least from said puncture (13), through said channel (9), to the patient's skin, further comprising (a) a tissue dilator (17) having a front portion and a rear portion, (b) a dilator channel (19) running through said dilator (17) from said front portion to said rear portion, said dilator channel being adapted to receive therein and pass therethrough the proximal end of said guide wire (15), and (c) said hollow sheath (23,45) being elongated and adapted to pass over said dilator (17).
Claim 4
Dependent Claim
25 words
The device of claim 2 or 3, wherein said dilator (17) is also the means for advancing said hemostatic material through said sheath (23, 45).
Claim 5
Dependent Claim
21 words
The device of claim 1, 2 or 3, wherein said hemostatic material (57, 93) is made at least primarily of collagen.
Claim 6
Dependent Claim
26 words
The device of claim 1, 2 or 3, wherein said charge of hemostatic material (57, 93) is in the form of a plug of loose fibers.
Claim 7
Dependent Claim
23 words
The device of claim 1, 2 or 3, wherein said charge of hemostatic material (57, 93) is in the form of a sponge.
Claim 8
Dependent Claim
33 words
The device of claim 1, 2 or 3, wherein the hemostatic material (57, 93) is in the form of a plug partially of loose fibers and partially of a more densely packed construction.
Claim 9
Dependent Claim
17 words
The device of claim 1, 2 or 3, wherein said hemostatic material (57, 93) is densely packed.
Claim 10
Dependent Claim
34 words
The device of claim 1, 2 or 3, wherein said hemostatic material (57, 93) is in the form of a plug partially of loose fibers and partially of a densely packed or sponge-like construction.
Claim 11
Dependent Claim
59 words
The device of claim 1, 2 or 3, wherein the hemostatic material (57, 93) is in the form of a plug having a front end and a back end and wherein said front end is covered with a membrane of hemostatic material and wherein the remainder of said plug is in the form of a densely packed material (101).
Claim 12
Dependent Claim
24 words
The device of claim 11, wherein the remainder of said plug is in the form of a densely packed sponge (101) of hemostatic material.
Claim 13
Dependent Claim
27 words
The device of claim 1, 2 or 3, wherein said charge of hemostatic material (57, 93) is in the form of a balloon made of collagen membrane.
Claim 14
Dependent Claim
23 words
The device of claim 1, 2 or 3, wherein said charge of hemostatic material (57, 93) is in the form of a liquid.
Claim 15
Dependent Claim
13 words
The device of claim 14, wherein said liquid is comprised of fibrin glue.
Claim 16
Dependent Claim
12 words
The device of claim 15, wherein said liquid is comprised of thrombin.
Claim 17
Dependent Claim
23 words
The device of claim 1, 2 or 3, wherein said charge of hemostatic material (57, 93) is in the form of a paste.
Claim 18
Dependent Claim
13 words
The device of claim 17, wherein said paste is comprised of fibrin glue.
Claim 19
Dependent Claim
12 words
The device of claim 17, wherein said paste is comprised of thrombin.
Claim 20
Dependent Claim
43 words
The device of claim 1, 2 or 3, wherein the means for placing said hemostatic material in said hollow sheath comprises a plug holder (29, 63, 73, 91) to retain therein said hemostatic material (57, 93) prior to its insertion into said sheath.
Claim 21
Dependent Claim
89 words
The device of claim 20, wherein said sheath (23, 45) has a lumen (27) running therethrough from a proximal end to said distal end (25) thereof and wherein said hemostatic material (57, 93) is retained within a channel (67, 31) in said plug holder (29, 63, 73, 91), further comprising means (37, 39, 41, 73) for aligning said sheath lumen (27) with said plug holder channel (67, 31) whereby said hemostatic material (57, 93) can be fed from said plug holder channel (67, 31) into said sheath lumen (27).
Claim 22
Dependent Claim
63 words
The device of claim 20, wherein said sheath (23, 45) has a lumen (27) running therethrough from a proximal end to said distal end (25) thereof, wherein said plug holder (29, 63, 73, 91) has a channel (67, 31) therein which communicates with said sheath lumen (27) and wherein said hemostatic material (57, 93) is retained within said plug holder channel (67, 31).
Claim 23
Dependent Claim
63 words
The device of claim 21 or 22, wherein said means for placing (29, 63, 73, 91) said hemostatic material in said sheath (23, 45) further comprises a plug pusher which is adapted to slide within said plug holder channel (67, 31) thereby to push said hemostatic material (57, 93) from within said plug holder into said lumen (27) of said sheath (23, 45).
Claim 24
Dependent Claim
40 words
The device of claim 21 or 22, wherein said means (33, 69, 95) for advancing said hemostatic material (57, 93) through said sheath is comprised of a piston adapted to slide within said lumen (27) of said sheath (23, 45).
Claim 25
Dependent Claim
33 words
The device of claim 1, 2 or 3, wherein said means for placing said hemostatic material in said sheath is the same means as advances said hemostatic material (57, 93) through said sheath.
Claim 26
Dependent Claim
26 words
The device of claim 1, 2 or 3, wherein the charge of hemostatic material (57, 93) has a channel (85) adapted to receive a guide wire.
Claim 27
Dependent Claim
24 words
The device of claim 26, wherein the charge of hemostatic material (57, 93) is made primarily of collagen in the form of a sponge.
Claim 28
Dependent Claim
21 words
The device of claim 27, wherein the charge of hemostatic material (57, 93) has a collagen membrane on one face thereof.
References Cited (Backward Citations)
No citation records indexed.
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