CA2215147A1 - Method of fabricating a heater coil for a catheter - Google Patents
Method of fabricating a heater coil for a catheterInfo
- Publication number
- CA2215147A1 CA2215147A1 CA002215147A CA2215147A CA2215147A1 CA 2215147 A1 CA2215147 A1 CA 2215147A1 CA 002215147 A CA002215147 A CA 002215147A CA 2215147 A CA2215147 A CA 2215147A CA 2215147 A1 CA2215147 A1 CA 2215147A1
- Authority
- CA
- Canada
- Prior art keywords
- catheter
- coated
- lead
- pvc
- heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A heater (12) for a catheter (10) used in monitoring constant cardiac output is fabricated using a bifilar wire (21) coated with polyvinyl chloride (PVC) like that used for the catheter. The bifilar wire is coated with the PVC using a conventional extrusion technique, producing a coated lead (24, 32). The coated lead is wrapped around the exterior surface of the catheter, forming a helical coil. Heat is applied to the coated lead to melt the PVC coating, causing it to bond the lead to the catheter. The melted PVC also flows into gaps (23) or notches between adjacent coils of the lead, producing a relatively smooth outer surface for the heater when cooled.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/404,893 US5676784A (en) | 1995-03-15 | 1995-03-15 | Method of fabricating a heater coil for a catheter used to monitor cardiac output |
US08/404,893 | 1995-03-15 | ||
PCT/US1996/001996 WO1996028089A1 (en) | 1995-03-15 | 1996-02-15 | Method of fabricating a heater coil for a catheter |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2215147A1 true CA2215147A1 (en) | 1996-09-19 |
CA2215147C CA2215147C (en) | 2006-02-14 |
Family
ID=35892314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002215147A Expired - Lifetime CA2215147C (en) | 1995-03-15 | 1996-02-15 | Method of fabricating a heater coil for a catheter |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2215147C (en) |
-
1996
- 1996-02-15 CA CA002215147A patent/CA2215147C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2215147C (en) | 2006-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20160215 |