Injection equipment with a twin tubular needle for an endoscope

Details Injection equipment with a twin tubular needle for an endoscope Injection equipment with a twin tubular needle for an endoscope

1988-07-11

1990-06-12

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604 44, 604 83, A61M 2500, A61M 500

Patent

active

049329421

ABSTRACT:
The injection equipment for an endoscope comprises a guide tube (5) to be inserted into the instrument channel of the endoscope, in which two flexible tubes (7, 9) can be slid to supply the differing viscous fluid constituents in a two constituent fabric glue. At the distal end of the flexible tubes (7, 9) a twin tubular needle (15) is fitted, with its needle tubes (11, 13) opening out separately at the distal end. In this way the two constituents only mix inside the fabric. The flexible tubes (7, 9) also have a differing internal diameter like the two needle tubes (11, 13), whereby the more viscous constituents are fed via the larger diameter flexible tube (7), to which the larger diameter needle tube (11) is also connected. Handling is thereby facilitated and there is better compliance with the correct mixture ratio for both constituents.

REFERENCES:
patent: 3385300 (1968-05-01), Holter
patent: 3804097 (1974-04-01), Rudie
patent: 4134402 (1979-01-01), Mahurkar
patent: 4222380 (1980-09-01), Terayama
patent: 4512768 (1985-04-01), Rangaswamy
patent: 4668226 (1987-05-01), Omata et al.
patent: 4791937 (1988-12-01), Wang
patent: 4808156 (1989-02-01), Dean

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