Biodegradable fishhook

Details Biodegradable fishhook Biodegradable fishhook

1996-06-21

1999-04-06

Rowan, Kurt

Fishing, trapping, and vermin destroying

Fishing

Line-attached bodies, hooks and rigs

A01K 9702

Patent

active

058903160

ABSTRACT:
A fishhook is described which disintegrates upon standing for prolonged periods of time in an aqueous environment such as within biological tissue. In one embodiment, the fishhook comprises a biodegradable polymeric hook-shaped structure with at least one metal tip affixed thereto providing a sharp piercing element. Upon exposure to the chemical environment of the fish's tissue the polymer biodegrades. In another embodiment, a substantially insoluble or non-biodegradable body portion of the hook has a separable point and barb portion affixed to the insoluble portion by means of a biodegradable adhesive. When the fishhook penetrates the fish's tissue, the solvents and/or enzymes present in the tissue environment causes the adhesive to release the barb and/or the point of the fishhook and the fish may shed the disintegrated fragments. In yet another embodiment, the entire fishhook is fabricated from a biodegradable polymer such as polylactide or polyglycolide or a copolymer thereof.

REFERENCES:
patent: 2511117 (1950-06-01), Loeb
patent: 4715142 (1987-12-01), Richard
patent: 5024020 (1991-06-01), Sitton
patent: 5364616 (1994-11-01), Fish

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