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US5017191A Expired / Lapsed US ⏱️ 0.0 years remaining

Injector

Assignee: KI-ADD SPECIALIZED SUPPORT TECHNOLOGY Inc
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Filing: 1989-03-08
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Granted: 1991-05-21
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Expires: 2009-03-08
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Abstract

Abstract An injector pre-filled with a radiopharmaceutical liquid, which comprises (1) a syringe containing a radiopharmaceutical liquid with a stopper made of an elastic material fitted at the top opening, (2) a holder having a hole at thee central part fitted on the stopper to keep it firmly at such position, (3) an adaptor having a body portion of which the lower part forms a cap portion, a passage for the radiopharmaceutical liquid penetrating the body portion and a hollow needle portion continuously extending from the passage to the lower direction, detachably fitted on the syringe, and (4) a disposable needle head comprising a needle having a passage for the radiopharmaceutical liquid therein and a cap portion, detachably fitted on the body portion of said adaptor to make a gap at the top part of the cap portion of the needle head, the cap portion of the needle head being at least partly made of an inside observable material.

Inventors

  • 👤 Hideo Yamada
  • 👤 Shozo Nakayama
  • 👤 Mitsuhisa Iinuma
  • 👤 Hisao Tobiki

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 17:19
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/31; A61M5/32; A61M5/28

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 186 words
An injector pre-filled with a radiopharmaceutical liquid, which comprises: a syringe containing the radiopharmaceutical liquid, said syringe having a top opening; a stopper made of an elastic material fitted at said top opening; a holder having a central part with a hole therethrough, said holder being fitted on the stopper to keep it firmly in position at said top opening; an adaptor having a body portion of which the lower part forms a cap portion, a passage for the radiopharmaceutical liquid penetrating the body portion, and a hollow needle portion continuously extending from the passage in the lower direction, said adaptor being detachably fitted on said syringe, the stopper being pierceable by the needle portion extending from said adaptor; and a disposable needle head comprising a needle having a passage for the radiopharmaceutical liquid therein and a cap portion, said disposable needle head being detachably fitted on the body portion of said adaptor to form a gap at the top part of the cap portion of said needle head, the cap portion of said needle head being, at least partly, made of an inside observable material.
Claim 2
Dependent Claim 186 words
An injector pre-filled with a radiopharmaceutical liquid, which comprises: a syringe containing the radiopharmaceutical liquid, said syringe having a top opening; a stopper made of an elastic material fitted at said top opening; a holder having a central part with a hole therethrough, said holder being fitted on the stopper to keep it firmly in position at said top opening; an adaptor having a body portion of which the lower part forms a cap portion, a passage for the radiopharmaceutical liquid penetrating the body portion, and a hollow needle portion continuously extending from the passage in the lower direction, said adaptor being detachably fitted on said syringe, the stopper being pierceable by the needle portion extending from said adaptor; and a disposable needle head comprising a needle having a passage for the radiopharmaceutical liquid therein and a cap portion, said disposable needle head being detachably fitted on the body portion of said adaptor to form a gap at the top part of the cap portion of said needle head, the cap portion of said needle head being, at least partly, made of an inside observable material.
Claim 3
Dependent Claim 15 words
The injector according to claim 1, wherein the holder is made of a plastic material.
Claim 4
Dependent Claim 15 words
The injector according to claim 1, wherein the holder is made of an aluminum material.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-05-20 1994-11-19 1995-05-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-05-20 1998-11-19 1999-05-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-05-20 2002-11-19 2003-05-21 $7700.00 Window Closed / Lapsed

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