US4130117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypodermic syringe
Assignee: Individual
•
Filing: 1976-09-15
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Granted: 1978-12-19
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Expires: 1996-09-15
Abstract
Abstract A hypodermic syringe including a needle and a deformable ampul connected thereto adjacent a neck portion where a rupturable membrane extends across the neck portion sealing a medicament in the ampul.
Inventors
- 👤 William F. Van Eck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:36
CPC Classifications
B; B29; B29C; B29C67/00; B29C67/004; A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282; A61M5/285; A61M5/31; A61M5/32; A61M5/34; B29C49/00; B29C49/071; A61M2005/3103; A61M2005/3104; A61M2005/3117; A61M2005/3118; A61M2005/312; A61M2005/3128; A61M5/288; A61M5/3129; A61M5/3134; B29C49/42; B29C49/48; B29C2049/4879; B29C2049/4882; B29C2049/48825; B29C2949/00; B29C2949/07; B29C2949/072; B29C2949/0722; B29C2949/073; B29C2949/0731; B29C2949/076; B29C2949/0761; B29C2949/0763; B29C2949/0768; B29C2949/077; B29C2949/0772; B29C2949/0777; B29C2949/079; B29C2949/0794; B29C65/00; B29C65/02; B29C65/08; B29L; B29L2031/00; B29L2031/753; B29L2031/7544
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
97 words
A hypodermic syringe comprising a prefilled medicament-containing ampul, a hypodermic needle, said ampul having a wall made of a resilient plastic material defining a medicament-containing chamber, with a hollow neck portion leading to a mouth, said needle affixed to said ampul in communication with said mouth, said wall defining an indentation in said neck portion and decreasing the area across said neck portion thereat, a rupturable membrane disposed across said neck portion at said indentation and providing a fluid seal between said mouth and said chamber to maintain a medicament in said chamber in a sterile condition.
Claim 2
Dependent Claim
97 words
A hypodermic syringe comprising a prefilled medicament-containing ampul, a hypodermic needle, said ampul having a wall made of a resilient plastic material defining a medicament-containing chamber, with a hollow neck portion leading to a mouth, said needle affixed to said ampul in communication with said mouth, said wall defining an indentation in said neck portion and decreasing the area across said neck portion thereat, a rupturable membrane disposed across said neck portion at said indentation and providing a fluid seal between said mouth and said chamber to maintain a medicament in said chamber in a sterile condition.
Claim 3
Dependent Claim
22 words
The syringe of claim 1 further including means connected to said ampul externally thereof for exerting a rupturing force across said membrane.
Claim 4
Dependent Claim
35 words
The syringe of claim 2 wherein said means comprises a tab connected to said wall at said indentation whereby the tab may be pulled substantially in the plane of said membrane to cause rupture thereof.
Claim 5
Dependent Claim
33 words
The syringe of claim 1 wherein said indentation is formed by an inwardly directed fold in the wall at said neck portion and said membrane extends across said neck portion at said fold.
Claim 6
Dependent Claim
33 words
The syringe of claim 4 further including a tab connected to said wall at said fold whereby said tab may be pulled outwardly with said fold to exert tensional stress on said membrane.
Claim 7
Dependent Claim
90 words
A medicament-containing ampul for use in combination with a hypodermic needle, said ampul having a wall made of a resilient plastic material defining a medicament-containing chamber with a hollow neck portion leading to a mouth, said mouth adapted to receive the needle, said wall defining an indentation in said neck portion and decreasing the area across said neck portion thereat, a rupturable membrane disposed across said neck portion at said indentation and providing a fluid seal between said mouth and said chamber to maintain said medicament in a sterile condition.
Claim 8
Dependent Claim
90 words
A medicament-containing ampul for use in combination with a hypodermic needle, said ampul having a wall made of a resilient plastic material defining a medicament-containing chamber with a hollow neck portion leading to a mouth, said mouth adapted to receive the needle, said wall defining an indentation in said neck portion and decreasing the area across said neck portion thereat, a rupturable membrane disposed across said neck portion at said indentation and providing a fluid seal between said mouth and said chamber to maintain said medicament in a sterile condition.
Claim 9
Dependent Claim
33 words
The ampul of claim 6 further including means connected to said wall at said indentation whereby said connected means may be pulled substantially in the plane of said membrane to cause rupture thereof.
Claim 10
Dependent Claim
33 words
The ampul of claim 6 wherein said indentation is formed by an inwardly directed fold in the wall at said neck portion and said membrane extends across said neck portion at said fold.
Claim 11
Dependent Claim
17 words
The ampul of claim 6 wherein said membrane is formed integrally with said wall and neck portion.
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) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |