Catheter for extracting and inserting humors

Details Catheter for extracting and inserting humors Catheter for extracting and inserting humors

2005-10-18

2005-10-18

Schwartz, Larry I. (Department: 3761)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

Reexamination Certificate

active

06955663

ABSTRACT:
The present invention provide a catheter which exhausts a humor such as a hematoma, a brain fluid, and an encephalophyma smoothly without any infection, and be able to inject a hematoma resolvent while maintaining a constant brain pressure, and is inserted into an accurate operative portion in the cranial cavity using a brain stereotactic frame conveniently and easily. The catheter100includes a long tube110made of an atoxic, transparent and flexible material; a two-way fitting160having two channels and inserted into a rear portion of the tube through a fitting120; second and third coupling members140and150selectively coupled to a branched channel of the two-way fitting160; an injection member170including a needle portion174inserted into a rear portion of the third coupling member150through an inserting hole153; and a fourth coupling member180including a seal member181and being inserted into a reception groove171formed in a rear portion of the injection member170.

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patent: WO 94/23775 (1994-10-01), None

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