EP1340474A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
A catheter system
Assignee: Meadox Surgimed AS
•
Filing: 1995-06-06
•
Granted: —
•
Expires: 2015-06-06
Abstract
Abstract The invention relates to a catheter system for introducing and implanting a stent member in a body, comprising: a catheter member having first and second ends, the first end having an inflatable portion, and there being provided a lumen for providing fluid communication between the inflatable portion and the second end to provide means for inflating the inflatable portion; an expandable stent member capable of permanent deformation when expanded; and a bond formed between the stent member and the inflatable portion; wherein at least a portion of the stent member is releasably attached to the bond and thus to inflatable portion, characterized in that the bond is an adhesive connection which releasably connects the stent at a bond-line to the inflatable portion and whereby the bond-line adhesively fails at the stent surface, thereby separating the stent member therefrom.
Inventors
- 👤 Jacob Stoltze
- 👤 Jorgen Kamstrup-Larsen
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 15:09
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/95; A61F2/958; A61F2/82; A61F2/86; A61F2/88; A61F2002/9583; A61M; A61M25/00; A61M25/10; A61M25/104
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
141 words
A catheter system for introducing and implanting a stent member in a body,
comprising: a catheter member having first and second ends, the first end having an inflatable
portion, and there being provided a lumen for providing fluid communication between
the inflatable portion and the second end to provide means for inflating the inflatable
portion; an expandable stent member capable of permanent deformation when expanded;
and a bond formed between the stent member and the inflatable portion; wherein at least a portion of the stent member is releasably attached to the
bond and thus to the inflatable portion, characterized in that the bond is an adhesive connection which releasably
connects the stent at a bond-line to the inflatable portion and whereby the bond-line
adhesively fails at the stent surface during inflation of the inflatable portion,
thereby separating the stent member therefrom.
Claim 2
Dependent Claim
18 words
A catheter system according to claim 1, wherein the bond is formed from material of the
inflatable portion.
Claim 3
Dependent Claim
26 words
A catheter system according to claim 1, wherein the bond is formed by application of a
force causing the stent to depress into the inflatable portion.
Claim 4
Dependent Claim
29 words
A catheter system according to claim 1, wherein the bond is formed by expanding the
inflatable portion against the stent member to depress the stent into the inflatable portion.
Claim 5
Dependent Claim
18 words
A catheter system according to claim 1, wherein the formation of the bond includes the
use of heat.
Claim 6
Dependent Claim
19 words
A catheter system according to claim 1, wherein the bond is of the same material as the
inflatable portion.
Claim 7
Dependent Claim
22 words
A catheter system according to claim 1, wherein the stent member is formed of wires or
an expandable tubular member with perforations.
Claim 8
Dependent Claim
15 words
A catheter system according to claim 1, wherein the inflatable portion comprises a
thermoplastic elastomer.
Claim 9
Dependent Claim
14 words
A catheter system according to claim 8, wherein the thermoplastic elastomer is a
polyurethane.
Claim 10
Dependent Claim
23 words
A catheter system according to claim 9, wherein the catheter member, apart from the
inflatable portion, is formed form a non-elastomeric thermoplastic material.
Claim 11
Dependent Claim
22 words
A catheter system according to claim 10, wherein the said non-elastomeric thermoplastic
material is selected from polyethylenes, polyethylene terephthalates and mixtures thereof.
Claim 12
Dependent Claim
22 words
A catheter system according to claim 1, wherein the inflatable portion is formed of a non-elastomeric
material enclosed within an elastomeric material.
Claim 13
Dependent Claim
17 words
A catheter system according to claim 1, wherein the bond is formed from a separately
applied adhesive.
Claim 14
Dependent Claim
71 words
A catheter system according to claim 13, wherein the adhesive has a modulus of elasticity
which is sufficiently similar to the modulus of elasticity of the inflatable portion such that upon
expansion of the inflatable portion the bond does not separate from the inflatable portion and
sufficiently less than the modulus of elasticity of the stent member such that bond will separate
from the stent member upon inflation and subsequent deflation.
Claim 15
Dependent Claim
16 words
The catheter system of claim 13, wherein the adhesive which forms the bond is a
polyurethane.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.