US4342184A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacture of hypodermic syringe
Assignee: Individual
•
Filing: 1980-04-04
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Granted: 1982-08-03
•
Expires: 2000-04-04
Abstract
Abstract A method of manufacture of pre-filled ampuls and hypodermic needles where an ampul is formed by injection-moulding and blow-moulding. The ampul is filled with medicaments at the blow-moulding stage and a hypodermic needle is then affixed to the ampul.
Inventors
- 👤 William F. Van Eck
- 👤 Maurits J. H. Van Eck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:00
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/281; A61M5/282; A61J; A61J1/00; A61J1/05; A61J1/06; A61J1/067; A61M5/002; A61M5/285; B; B29; B29C; B29C49/00; B29C49/02; B29C49/06; B29C49/071; B29C67/00; B29C67/004; A61M5/31; A61M2005/3103; A61M2005/3104; A61M2005/3117; A61M2005/3118; A61M2005/312; A61M2005/3128; A61M5/3129; A61M5/3134; B29C2049/023; B29C49/42; B29C49/48; B29C2049/4879; B29C2049/4882; B29C2049/48825; B29C2949/00; B29C2949/07; B29C2949/072; B29C2949/0722; B29C2949/0724; B29C2949/073; B29C2949/0733; B29C2949/076; B29C2949/0761; B29C2949/0768; B29C2949/077; B29C2949/0772; B29C2949/0773; B29C2949/0778; B29C2949/078; B29C2949/079; B29C2949/20; B29C2949/22; B29C2949/24; B29C2949/26; B29C2949/28; B29C65/00; B29C65/02; B29C65/08; B29L; B29L2031/00; B29L2031/753; B29L2031/7544
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
96 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison having an open end at other end of said preform; (b) closing said open end around a blow-fill pin; (c) blow-moulding the parison into the form of an ampul; (d) introducing medicament into said ampul through said pin; (e) withdrawing said pin from said ampul; and (f) establishing an integral wall continuum of said ampul after withdrawal of said pin.
Claim 2
Independent Claim
96 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison having an open end at other end of said preform; (b) closing said open end around a blow-fill pin; (c) blow-moulding the parison into the form of an ampul; (d) introducing medicament into said ampul through said pin; (e) withdrawing said pin from said ampul; and (f) establishing an integral wall continuum of said ampul after withdrawal of said pin.
Claim 3
Dependent Claim
24 words
A method according to claim 1 and further comprising the injection-moulding of a barrier membrane, said membrane positioned in the interior of the neck.
Claim 4
Dependent Claim
36 words
The method according to claim 2 in which an indentation is moulded in the neck at the location of the barrier membrane, said indentation being in the form of an inwardly directed fold in said neck.
Claim 5
Dependent Claim
26 words
A method according to claim 2 in which an appendage is moulded to the outside of said neck, said appendage being aligned with said barrier membrane.
Claim 6
Dependent Claim
16 words
A method according to claim 1 wherein step (f) is accomplished by means of sonic welding.
Claim 7
Independent Claim
104 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end having an aperture and a parison having an open end at the other end of said preform; (b) closing said open end around a blow-fill pin; (c) blow-moulding said parison into the form of an ampul; (d) closing said aperture; (e) introducing medicament into said ampul through said pin; (f) withdrawing said pin from said ampul; and (g) establishing an integral wall continuum of said ampul after withdrawal of said pin.
Claim 8
Independent Claim
104 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end having an aperture and a parison having an open end at the other end of said preform; (b) closing said open end around a blow-fill pin; (c) blow-moulding said parison into the form of an ampul; (d) closing said aperture; (e) introducing medicament into said ampul through said pin; (f) withdrawing said pin from said ampul; and (g) establishing an integral wall continuum of said ampul after withdrawal of said pin.
Claim 9
Dependent Claim
20 words
The method according to claim 6 wherein the step of closing said aperture comprises covering said aperture with a cap.
Claim 10
Dependent Claim
19 words
A method according to claim 7 wherein the cap is secured to the ampul by means of sonic welding.
Claim 11
Dependent Claim
16 words
A method according to claim 6 wherein step (g) is accomplished by means of sonic welding.
Claim 12
Independent Claim
100 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison having an aperture at the other end; (b) blow-moulding said parison into the form of an ampul; (c) closing said aperture; (d) inserting a fill pin into said ampul through the wall thereof; (e) introducing medicament into said ampul through said pin; (f) withdrawing said pin from said ampul; and (g) establishing an integral wall continuum of the ampul after withdrawal of said pin.
Claim 13
Independent Claim
100 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison having an aperture at the other end; (b) blow-moulding said parison into the form of an ampul; (c) closing said aperture; (d) inserting a fill pin into said ampul through the wall thereof; (e) introducing medicament into said ampul through said pin; (f) withdrawing said pin from said ampul; and (g) establishing an integral wall continuum of the ampul after withdrawal of said pin.
Claim 14
Dependent Claim
22 words
A method according to claim 10 wherein the step of closing said aperture comprises the covering of said aperture with a cap.
Claim 15
Dependent Claim
19 words
A method according to claim 11 wherein the cap is secured to the ampul by means of sonic welding.
Claim 16
Independent Claim
77 words
A method for manufacturing and filling a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck portion at one end and a parison at the other end; (b) blow-moulding said parison into the form of an ampul; (c) affixing a hypodermic needle to said neck; (d) covering said hypodermic needle; introducing a medicament through the wall of said ampul; and (f) establishing an integral wall continuum of said ampul at the point of introduction.
Claim 17
Independent Claim
77 words
A method for manufacturing and filling a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck portion at one end and a parison at the other end; (b) blow-moulding said parison into the form of an ampul; (c) affixing a hypodermic needle to said neck; (d) covering said hypodermic needle; introducing a medicament through the wall of said ampul; and (f) establishing an integral wall continuum of said ampul at the point of introduction.
Claim 18
Dependent Claim
20 words
A method according to claim 13 wherein a hypodermic needle is affixed to said neck by means of sonic welding.
Claim 19
Dependent Claim
17 words
A method according to claim 13 wherein said hypodermic needle is covered by a moulded cover assembly.
Claim 20
Dependent Claim
20 words
A method according to claim 15 wherein said cover assembly is secured to said syringe by means of sonic welding.
Claim 21
Dependent Claim
57 words
A method according to claim 13 wherein filling said needle with medicament further comprises: (a) inserting a pin into said ampul; (b) injecting medicament into said ampul through said pin; (c) withdrawing said pin from said ampul; and (d) establishing an integral wall continuum of said ampul after withdrawal of said pin by means of sonic welding.
Claim 22
Independent Claim
85 words
A method for manufacturing and filling a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison at the other end of said preform, said injection-moulding step further including affixing a hypodermic needle in said neck by insert-moulding; (b) blow-moulding said parison into the form of an ampul; (c) covering said hypodermic needle; (d) injecting medicament into said ampul through the wall thereof; and (e) establishing an integral continuum of said wall at the point of injection.
Claim 23
Independent Claim
85 words
A method for manufacturing and filling a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison at the other end of said preform, said injection-moulding step further including affixing a hypodermic needle in said neck by insert-moulding; (b) blow-moulding said parison into the form of an ampul; (c) covering said hypodermic needle; (d) injecting medicament into said ampul through the wall thereof; and (e) establishing an integral continuum of said wall at the point of injection.
Claim 24
Independent Claim
81 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison having an open end at the other end thereof; (b) blow-moulding the parison into the form of an ampul; (c) introducing a medicament into said ampul through a wall thereof, and (d) establishing an integral continuum of said ampul wall at the point of introduction.
Claim 25
Independent Claim
81 words
A method for manufacturing and filling an ampul adapted for use with a hypodermic needle to form a hypodermic syringe, said method comprising: (a) injection-moulding a preform comprising a neck at one end and a parison having an open end at the other end thereof; (b) blow-moulding the parison into the form of an ampul; (c) introducing a medicament into said ampul through a wall thereof, and (d) establishing an integral continuum of said ampul wall at the point of introduction.
Claim 26
Dependent Claim
34 words
A method according to claim 19 wherein step (b) further comprises: closing said open end around a pin; injecting blow gas into said ampul through said pin; and withdrawing said pin from said ampul.
Claim 27
Dependent Claim
50 words
A method according to claim 19 wherein step (c) further comprises: inserting a pin into said ampul; injecting medicament into said ampul through said pin; withdrawing said pin from said ampul; and establishing said integral wall continuum of said ampul after withdrawal of said pin by means of sonic welding.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-02 | 1986-02-01 | 1986-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-02 | 1990-02-01 | 1990-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-02 | 1994-02-01 | 1994-08-03 | $7700.00 | Window Closed / Lapsed |