Title:
【発明の名称】使い捨て注射器
Document Type and Number:
Japanese Patent JP3438074
Kind Code:
B2
Abstract:
PCT No. PCT/SE93/00423 Sec. 371 Date Nov. 10, 1994 Sec. 102(e) Date Nov. 10, 1994 PCT Filed May 14, 1993 PCT Pub. No. WO93/23100 PCT Pub. Date Nov. 25, 1993.Injection syringe of disposable type, including a cylinder (91), in which a piston is displaceable in and out respectively, a piston rod (3) having a press plate (12), and an injection needle (4) at the end of the syringe cylinder (1). The syringe needle (4) is mounted from inside the syringe cylinder (1) and is releasably connected (5, 9) to the syringe cylinder (1). The syringe needle (4) or the carrier (5) thereof is formed with one or more blocking ratchets (6) which cooperate with the syringe piston (2) or the piston rod (3), and which blocks the piston against being retracted after the sole injection is made, so that the syringe needle (4) becomes retracted into the inner of the syringe cylinder (1) upon withdrawal of the piston (2) after the injection has taken place.
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Inventors:
Lenz, Thomas
Summit, carlo
Summit, carlo
Application Number:
JP52013193A
Publication Date:
August 18, 2003
Filing Date:
May 14, 1993
Export Citation:
Assignee:
Funova Activorag
International Classes:
A61M5/315; A61M5/32; (IPC1-7): A61M5/315; A61M5/32
Domestic Patent References:
| JP25972A | ||||
| JP3505686A |
Other References:
【文献】英国特許出願公開2234177(GB,A)
【文献】米国特許5104378(US,A)
【文献】米国特許4955870(US,A)
【文献】国際公開89/009075(WO,A1)
【文献】国際公開91/03269(WO,A1)
【文献】国際公開91/12841(WO,A1)
【文献】米国特許5104378(US,A)
【文献】米国特許4955870(US,A)
【文献】国際公開89/009075(WO,A1)
【文献】国際公開91/03269(WO,A1)
【文献】国際公開91/12841(WO,A1)
Attorney, Agent or Firm:
Muneharu Sasaki