Front syringe attachment for hypodermic syringes for subcutaneou

Details Front syringe attachment for hypodermic syringes for subcutaneou Front syringe attachment for hypodermic syringes for subcutaneou

1993-02-17

1994-11-15

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604192, 604198, A61M 500

Patent

active

053643623

ABSTRACT:
A front syringe attachment is provided for mounting on a syringe cylinder of hypodermic syringes for subcutaneous injection, particularly for use in veterinary medicine, which substantially includes a first hollow-cylindrical barrel and a second hollow-cylindrical barrel of smaller diameter which is arranged in the latter in a telescoping manner, wherein the end of the first barrel facing the syringe cylinder is fastened to the syringe cylinder and the end of the second barrel facing the syringe cylinder can be pushed into the first barrel against a spring arranged in the first barrel, and the ends of the two barrels on the injecting side have a step-like or stair-like construction, wherein the end of the second barrel on the injecting side projects beyond the end of the first barrel on the injecting side in the rest position and completely covers the hypodermic needle.

REFERENCES:
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patent: 4850996 (1989-07-01), Cree
patent: 4894055 (1990-01-01), Sudnak
patent: 4911693 (1990-03-01), Paris
patent: 4923447 (1990-05-01), Morgan
patent: 4936830 (1990-06-01), Verlier
patent: 5026353 (1991-06-01), Bartman
patent: 5256152 (1993-10-01), Marks

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