EP0162982A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Catheter sheath
Assignee: Cook Inc
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Filing: 1984-10-25
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Granted: —
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Expires: 2004-10-25
Abstract
Abstract A sheath comprising a tubular structure formed of a flexible material which is compatible for insertion within the body and having proximal and distal ends. In one embodiment, the tubulat structure includes one slit having an open and a closed end. The tubular structure is further comprised of a tab defined by the slit whereby, when the tab is pulled apart from any object extending through the lumen of the tubular structure, the tubular structure tears longitudinally removing the tubular structure from the object. In another embodiment, the tubular structure is cuffed between the closed end of the slit and the distal end of the tubular structure, the cuff defining the proximal end of the tubular structure. The cuff prevents the slit from tearing prematurely and further provides a blunt, smooth open end at the proximal end that permits closure thereof by thumb pressure only in order to temporarily block blood flow or air aspiration during use.
Inventors
- 👤 Hans A. Timmermans
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 21:13
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/01; A61M25/06; A61M25/0662; A61M25/0668
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
101 words
A sheath comprising: a tubular structure formed of a flexible material which is compatible for insertion within the body and having proximal and distal ends, said tubular structure having one or more slits, each said one or more slits having an open and a closed end; a tab defined by said one or more slits whereby, when said tab is pulled apart from any object extending through the lumen of said tubular structure, said tubular structure tears longitudinally removing said tubular structure from said object; and means for preventing said tubular structure from tearing prematurely along said one or more slits.
Claim 2
Dependent Claim
101 words
A sheath comprising: a tubular structure formed of a flexible material which is compatible for insertion within the body and having proximal and distal ends, said tubular structure having one or more slits, each said one or more slits having an open and a closed end; a tab defined by said one or more slits whereby, when said tab is pulled apart from any object extending through the lumen of said tubular structure, said tubular structure tears longitudinally removing said tubular structure from said object; and means for preventing said tubular structure from tearing prematurely along said one or more slits.
Claim 3
Dependent Claim
35 words
The sheath of claim 1 wherein said preventing means is further for providing a blunt, smooth open end at said distal end that permits closure thereof by covering the open proximal end with the thumb.
Claim 4
Dependent Claim
43 words
The sheath of claim 2 wherein said preventing means includes said tubular structure being cuffed between said closed end of said one or more slits and said distal end of said tubular structure, said cuff defining said proximal end of said tubular structure.
Claim 5
Dependent Claim
35 words
The sheath of claim 3 wherein said flexible material having the property of molecular orientation whereby a tear in said material runs readily only in a longitudinal direction along the length of said tubular structure.
Claim 6
Dependent Claim
18 words
The sheath of claim 4 wherein said tubular structure is continuously smooth along its inner and outer surface.
Claim 7
Dependent Claim
13 words
The sheath of claim 5 wherein said tubular structure includes exactly one slit.
Claim 8
Dependent Claim
14 words
The sheath of claim 5 wherein said tubular structure includes a pair of slits.
Claim 9
Dependent Claim
91 words
A sheath comprising: a tubular structure formed of a flexible material which is compatible for insertion within the body and having proximal and distal ends, said proximal end having exactly one open ended slit, said slit having a closed end between said proximal and distal ends of said tubular structure; and a tab defined by said slit on said proximal end whereby, when said tab is pulled apart from any object extending through the lumen of said tubular structure, said tubular structure tears longitudinally removing said- tubular structure from said object.
Claim 10
Dependent Claim
91 words
A sheath comprising: a tubular structure formed of a flexible material which is compatible for insertion within the body and having proximal and distal ends, said proximal end having exactly one open ended slit, said slit having a closed end between said proximal and distal ends of said tubular structure; and a tab defined by said slit on said proximal end whereby, when said tab is pulled apart from any object extending through the lumen of said tubular structure, said tubular structure tears longitudinally removing said- tubular structure from said object.
Claim 11
Dependent Claim
35 words
The sheath of claim 8 wherein said flexible material having the property of molecular orientation whereby a tear in said material runs readily only in a longitudinal direction along the length of said tubular structure.
Claim 12
Dependent Claim
18 words
The sheath of claim 9 wherein said tubular structure is continuously smooth along its inner and outer surface.
References Cited (Backward Citations)
No citation records indexed.
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