Patent EP0241294B1 successfully refreshed from Google Patents.
EP0241294B1
Expired / Lapsed
EP
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Catheter type sensor
Assignee: OFFERTA DI LICENZA AL PUBBLICO
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Filing: 1987-04-09
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Granted: 1991-06-19
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Expires: 2007-04-09
Abstract
No abstract record available.
Inventors
- 👤 Ichiro Osaka Works Sogawa
- 👤 Taketsune Osaka Works Morikawa
- 👤 Koro Osaka Works Yotsuya
- 👤 Masanori Osaka Works Nishiguchi
- 👤 Munekazu Osaka Works Imamura
- 👤 Yasuhiko Osaka Works Shirakura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-23 23:33
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/145; A61B5/14542; A61B5/02; A61B5/021; A61B5/0215; A61B5/02152; A61B5/1468; A61B5/1473; G; G01; G01L; G01L19/00; G01L19/0061; G01L19/0084; G01L19/14; G01L19/147
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
85 words
A catheter comprising: a sensor assembly including a base (23) with at least one sensor element (21) supported on it for detecting biological data, and a catheter body portion supporting the sensor assembly at its distal end or at an intermediate portion and including lead wires (33) for transmitting data between the sensor element (21) and an external measuring device, characterised in that the catheter is formed of a biocompatible resin material (39) in which the sensor assembly and the lead wires (33) are embedded.
Claim 2
Dependent Claim
18 words
A catheter according to Claim 1, wherein the synthetic resin material (39) is a urethane or silicone resin.
Claim 3
Dependent Claim
26 words
A catheter according to Claim 1 or 2, wherein the base (23) is formed from a sintered material which contains aluminum oxide as its principal component.
Claim 4
Dependent Claim
72 words
A catheter according to any of the preceding claims, wherein the sensor element (21) is connected to the external measuring device by a wiring pattern (29) formed on the base (23), the electrical connection between the wiring pattern (29) on the base (23) and the sensor element (21) being effected by wire bonding (31), and the electrical connection between the wiring pattern (29) and the lead wires (33) being effected by soldering.
Claim 5
Dependent Claim
14 words
A catheter according to Claim 4, wherein the bonding wires (31) are wedge bonded.
Claim 6
Dependent Claim
49 words
A catheter according to any of the preceding claims, wherein the sensor element is a pressure-sensitive element (21), and the portion of the catheter sensor which is to be inserted into a living body has a substantially uniform cross-sectional shape, including the peripheral portion surrounding the pressure-sensitive element (21).
Claim 7
Dependent Claim
24 words
A catheter according to Claim 6, wherein the portion of the catheter around the pressure-sensitive element (21) is formed from a soft resin material.
Claim 8
Dependent Claim
21 words
A catheter according to any of the preceding claims wherein the sensor element (21) is a semiconductor diaphragm type pressure sensor.
Claim 9
Dependent Claim
27 words
A catheter according to Claim 8, wherein the semiconductor diaphragm type pressure sensor (21) is connected to the surface of the base (21) using a gold-silicon alloy.
References Cited (Backward Citations)
No citation records indexed.
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