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:
Feb. 02, 1988
Filed:
Apr. 07, 1987
Applicant:
Inventors:
Hans-Jurgen Dettbarn, Marburg, DE;
Josef Zimmermann, Sulzbach, DE;
Assignee:
Hoechst Aktiengesellschaft, Sulzbach, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604 71 ; 604 68 ;
Abstract
In this needleless injection instrument, the piston pump (17) for the medium to be injected is connected to a drive motor (18). On the motor housing (1) of the drive motor, an operating element (2) is fitted displaceably and a stroke counter (7) for counting the applications is arranged. To the free shaft end (11) of the stroke counter, a control cam (6) is fixed which engages with a control pin (4) supported on a control roll (3) which is located in the operating element (2) for the drive motor (18).