US3907009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic load calibrator
Assignee: Individual
•
Filing: 1974-10-15
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Granted: 1975-09-23
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Expires: 1994-10-15
Abstract
Abstract An apparatus for regulating loading of a hypodermic syringe with a predetermined dosage comprising means for determining the distance between a hypodermic lateral support and the head of the piston and means to preset the relationship in accordance with the desired dosage to be administered.
Inventors
- 👤 Charles Dobbins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/1782
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
151 words
An apparatus for loading a hypodermic syringe of the type having an integral needle with a predetermined dosage of a fluid that is in a container having rupturable closure wall which is adapted to be pierced by the hypodermic needle to thereby provide direct fluid communication between the interior of the container and the interior of the hypodermic syringe, said apparatus comprising: a. a post having indicating means thereon corresponding to the predetermined dosage; b. a first, non-adjustable member rigidly secured to said post and adapted to engage a portion of the hypodermic syringe; c. a sEcond, movable member adjustably carried by said post; said second member having means to receive another portion of the hypodermic syringe that is relatively movable with respect to the first portion of the hypodermic syringe; and d. means to lock said movable member in a fixed position relative to said indicating means on said post.
Claim 2
Independent Claim
151 words
An apparatus for loading a hypodermic syringe of the type having an integral needle with a predetermined dosage of a fluid that is in a container having rupturable closure wall which is adapted to be pierced by the hypodermic needle to thereby provide direct fluid communication between the interior of the container and the interior of the hypodermic syringe, said apparatus comprising: a. a post having indicating means thereon corresponding to the predetermined dosage; b. a first, non-adjustable member rigidly secured to said post and adapted to engage a portion of the hypodermic syringe; c. a sEcond, movable member adjustably carried by said post; said second member having means to receive another portion of the hypodermic syringe that is relatively movable with respect to the first portion of the hypodermic syringe; and d. means to lock said movable member in a fixed position relative to said indicating means on said post.
Claim 3
Dependent Claim
12 words
The apparatus of claim 1 wherein said locking means is a screw.
Claim 4
Dependent Claim
13 words
The apparatus of claim 1 wherein said locking means is a movable pin.
Claim 5
Dependent Claim
12 words
The apparatus of claim 1 wherein said post is rectangular in cross-section.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |