Infusion needle with a bio-degradable/absorbable needle tip

Details Infusion needle with a bio-degradable/absorbable needle tip Infusion needle with a bio-degradable/absorbable needle tip

1998-09-08

2000-09-05

Nguyen, A. T.

Surgery

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

Treating material introduced into or removed from body...

604265, A61M 532

Patent

active

06113581&

ABSTRACT:
An infusion needle for injection, and continuous transport of medicinal fluid into a blood vessel, or body fluid out of organ tissue, for an indefinite extended period of time, such that the infusion needle tip is sufficiently sharp and rigid for puncturing blood vessels and organ tissue, and is made of a bio-degradable and bio-absorbable material, that degrades in and is absorbed by, a patient's body. The presence of the smooth remaining end of the infusion needle, and the absence of the needle tip following bio-degradation, precludes bodily damage and pain caused by movement at the junction of the previously present infusion needle tip and the patient's blood vessel or organ tissue. The infusion needle tip is made of a bio-degradable and bio-absorbable material, consisting of some combination of catgut, polygalactin, polydioxanone, polyglycolic acid, or other similar medically acceptable bio-degradable/absorbable material. This infusion needle is constructed without plastic components, thereby avoiding the disadvantage of plastic in infusion needle construction that involves the potential of the presence of harmful microorganisms, and patient infection.

REFERENCES:
patent: 4838280 (1989-06-01), Haaga
patent: 4932963 (1990-06-01), Ritter et al.
patent: 4936835 (1990-06-01), Haaga
patent: 4976704 (1990-12-01), McLees
patent: 5879371 (1999-03-01), Gardiner et al.

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