Claims
- 1. A medical tool introduction cannula for introducing a rod-like medical tool such as a catheter into a living body, wherein said introduction cannula comprises:
- a tubular body having a longitudinal hollow portion for receiving said medical tool therethrough;
- a plurality of strip members in said tubular body, and which are liquid-tightly integrated to extend along a longitudinal direction of said tubular body;
- one of said strip members comprising a molded body of a mixture of ethylene-vinyl acetate copolymer and polypropylene mixed at a weight ratio of 1:1 to 1:5; and
- another of said strip members disposed adjacent to and extending along said one strip member, and comprising a molded body of polypropylene;
- said one strip member and said another strip member being bonded with a strength that allows said strip member to be separated from said another strip member by hand.
- 2. The medical tool introduction cannula of claim 1, wherein said weight ratio is within the range of 1:3 to 1:5.
- 3. The medical tool introduction cannula of claim 1, wherein said one strip member is made of a colored material.
- 4. The medical tool introduction cannula of claim 3, wherein said another strip member is made from a colored material.
- 5. The medical tool introduction cannula of claim 1, wherein said another strip member is made from a colored material.
- 6. The medical tool introduction cannula of claim 1, wherein said one strip member and said other strip member are made of colored materials having different colors.
- 7. A medical instrument assembly, comprising:
- an introduction cannula for introducing a rod-like medical tool such as a catheter into a living body, said introduction cannula comprising:
- a tubular body having a longitudinal hollow portion for receiving said medical tool therethrough;
- a plurality of strip members in said tubular body, and which are liquid-tightly integrated to extend along a longitudinal direction of said tubular body;
- one of said strip members comprising a molded body of a mixture of ethylene-vinyl acetate copolymer and polypropylene mixed at a weight ratio of 1:1 to 1:5;
- another of said strip members disposed adjacent to and extending along said one strip member, and comprising molded body of polypropylene; and
- said one strip member and said another strip member being bonded with a strength that allows said one strip member to be separated from said another strip member by hand; and
- a syringe having an inner cannula and detachably inserted into said medical tool introduction cannula such that a distal end of said inner cannula of said syringe projects from a tip end of said medical tool introduction cannula.
Priority Claims (2)
Number |
Date |
Country |
Kind |
62-86251 |
Apr 1987 |
JPX |
|
62-202858 |
Aug 1987 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/176,601 filed Apr. 1, 1988, pending.
US Referenced Citations (6)
Divisions (1)
|
Number |
Date |
Country |
Parent |
176601 |
Apr 1988 |
|