Surgery – Instruments – Cutting – puncturing or piercing
Patent
1989-11-08
1992-02-18
Rosenbaum, C. Fred
Surgery
Instruments
Cutting, puncturing or piercing
A61B 1734
Patent
active
050890018
ABSTRACT:
The present invention is related to an improved structure of an acupuncture acus, especially a multiple safety acupuncture acus provided with a bellow protector. The grip of the said acupuncture acus is produced by injection molding and is in the form of a cone flange which can be engaged exactly by a protective sleeve for convenience of packing; a bellow type protector is built from the adjoining position between the acupuncture acus and the grip to the needle head; the end of the protector is in the form of a hollow ring, its inside ring is made of membrane, while its outer ring is made of soft plastic. In application, the peripheral surface shaped by the hollow ring can be used by the beginner as a buffer prior to needle piercing and make corresponding adjustment, while the acupuncture acus is pierced through the membrane of the inside ring and into the right part of patient, the bellow will be compressed immediately and become tightened, and after the acupuncture acus is pulled out, the bellow will return to its original state and wrap the acupuncture acus to form another safety measure; the outer hollow ring sheath is made of soft plastic, so that the acupuncture acus, after application can be inserted at the inside of the outer ring to form yet another safety measure.
REFERENCES:
patent: 3134380 (1964-05-01), Armao
patent: 3905375 (1975-09-01), Toyama
patent: 4479496 (1984-10-01), Hsu
patent: 4564054 (1986-01-01), Gustavsson
patent: 4580566 (1986-04-01), Hsu
patent: 4725267 (1988-02-01), Vaillancourt
patent: 4915697 (1990-04-01), DuPont
Abstract of U.S. Pat. No. 4,832,696, Assembly of Needle and Protector, Ronald Luther and Pradip V. Choksi.
Abstract of U.S. Pat. No. 4,850,374, Blood Sampler with Retractable Needle, Nydia Diaz-Ramos and Rio Pierdras.
Lewis William W.
Rosenbaum C. Fred
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