Syringe plunger for an IV infusion pump
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Description
FIG. 1 is a front perspective view of a syringe plunger for an IV infusion pump embodying our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a left end elevational view thereof;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a bottom plan view of the syringe plunger in the orientation shown in FIGS. 1 and 2;
FIG. 6 is a back view of the syringe plunger showing the side opposite that shown in FIG. 1; and
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 1.
Referenced Cited
U.S. Patent Documents
2869541 | January 1959 | Helmer et al. |
3016896 | January 1962 | Sickle |
3424158 | January 1969 | Silver |
3721244 | March 1973 | Elmaleh |
4275730 | June 30, 1981 | Hussein |
Patent History
Patent number: D287053
Type: Grant
Filed: Mar 17, 1983
Date of Patent: Dec 2, 1986
Assignee: Ivac Corporation (San Diego, CA)
Inventors: Richard M. Bucchianeri (Escondido, CA), John J. Sevcik (San Diego, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Fulwider, Patton, Rieber, Lee & Utecht
Application Number: 6/476,253
Type: Grant
Filed: Mar 17, 1983
Date of Patent: Dec 2, 1986
Assignee: Ivac Corporation (San Diego, CA)
Inventors: Richard M. Bucchianeri (Escondido, CA), John J. Sevcik (San Diego, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Fulwider, Patton, Rieber, Lee & Utecht
Application Number: 6/476,253
Classifications
Current U.S. Class:
D24/25