The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 29, 1987
Filed:
Feb. 21, 1986
Hidenori Gion, Okayama, JP;
Takumi Yoda, Okayama, JP;
Yasuzo Kirita, Toyonaka, JP;
Kazuhito Zaima, Saijo, JP;
Noriyuki Kurata, Takamatsu, JP;
Kuraray Co., Ltd., Kurashiki, JP;
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.