Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1986-02-21
1987-12-29
Thaler, Michael H.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
128327, A61B 1712
Patent
active
047158492
ABSTRACT:
An apparatus for easily drawing blood from arm or leg, which is provided with an inflatable air bag to be wound around the arm or leg and to intermittently squeeze a part of the arm or leg in a fixed length. Control over inflation and contraction of the air bag by means of an electronic circuit permits free and precise change of a length of time for inflating or contracting the air bag as well as pressure in the air bag. An apparatus according to this invention for drawing blood from swollen vein extending within a part between the air bag and the tip of arm of leg can increase a quantity of blood to be drawn. Therefore, this apparatus is generally used together with an extracorporporeal blood circulation and treating apparatus.
REFERENCES:
patent: 4086924 (1978-05-01), Latham
patent: 4294261 (1981-10-01), Baker et al.
patent: 4469099 (1984-09-01), McEwen
patent: 4548198 (1985-10-01), Manes
Gion Hidenori
Kirita Yasuzo
Kurata Noriyuki
Yoda Takumi
Zaima Kazuhito
Kuraray Co. Ltd.
Thaler Michael H.
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