CA2234996A1 - Dental cartridge auto-injector with protective needle cover - Google Patents

Dental cartridge auto-injector with protective needle cover

Info

Publication number
CA2234996A1
CA2234996A1 CA 2234996 CA2234996A CA2234996A1 CA 2234996 A1 CA2234996 A1 CA 2234996A1 CA 2234996 CA2234996 CA 2234996 CA 2234996 A CA2234996 A CA 2234996A CA 2234996 A1 CA2234996 A1 CA 2234996A1
Authority
CA
Canada
Prior art keywords
needle
needle cover
seal
medicament
glass container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2234996
Other languages
French (fr)
Other versions
CA2234996C (en
Inventor
William R. Pearson
N. Lawrence Dalling
David Edward Spady
Claudio Lopez
Hyung J. Lee
John G. Wilmot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meridian Medical Technologies Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/545,149 external-priority patent/US5658259A/en
Application filed by Individual filed Critical Individual
Publication of CA2234996A1 publication Critical patent/CA2234996A1/en
Application granted granted Critical
Publication of CA2234996C publication Critical patent/CA2234996C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

An injection device includes a generally tubular outer body (10) and a medicament cartridge assembly carried within the outer body. The cartridge assembly includes a glass container (14), a charge of medicament (36) disposed within the glass container, a plunger member (28) rearwardly confining the medicament, and a seal (22) for sealing the forward portion of the glass container. A needle (34) has a rearward end disposed proximate the seal, with the seal and needle being movable with respect to one another. A rigid needle cover member (40) is normally maintained in an inoperative position and is movable relative to said body to a protective position wherein the needle cover member extends forwardly to cover the forward end of the needle.
CA 2234996 1995-10-19 1996-10-10 Dental cartridge auto-injector with protective needle cover Expired - Fee Related CA2234996C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/545,149 1995-10-19
US08/545,149 US5658259A (en) 1995-10-19 1995-10-19 Dental cartridge assembly auto-injector with protective needle cover
PCT/US1996/015786 WO1997014455A1 (en) 1995-10-19 1996-10-10 Dental cartridge assembly auto-injector with protective needle cover

Publications (2)

Publication Number Publication Date
CA2234996A1 true CA2234996A1 (en) 1997-04-24
CA2234996C CA2234996C (en) 2005-11-22

Family

ID=29405955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2234996 Expired - Fee Related CA2234996C (en) 1995-10-19 1996-10-10 Dental cartridge auto-injector with protective needle cover

Country Status (1)

Country Link
CA (1) CA2234996C (en)

Also Published As

Publication number Publication date
CA2234996C (en) 2005-11-22

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20131010