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EP0255123A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Solid preparation administering instrument

Assignee: Sumitomo Pharma Co Ltd
•
Filing: 1987-07-29
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Granted: —
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Expires: 2007-07-29
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Abstract

Abstract An equipment for administering solid or semisolid preparations under the skin, which comprises a solid needle (1) member with an acute tip end (1a), and a cylindrical member (3) slidably mounted on the needle member. The solid needle member having a recess (1b) at its front part to form a preparation chamber between the needle member and cylindrical member, and the chamber being opened or closed by moving the cylindrical member in the direction parallel to the axis of the needle member.

Inventors

  • 👤 Keiji Fujioka
  • 👤 Shigeji Sato
  • 👤 Nobuhiko Tamura
  • 👤 Yoshihiro Takada
  • 👤 Yoshio Sasaki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-26 10:45
CPC Classifications
A; A61; A61M; A61M37/00; A61M37/0069

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 73 words
An equipment for administering solid or semisolid preparations, comprising a solid needle member with an acute tip end, and a cylindrical member slidably mounted on the needle member, said needle member having a recess at its front part to from a preparation chamber between the needle member and cylindrical member, said preparation chamber being opened or closed by moving said cylindrical member in the direction parallel to the axis of the needle member.
Claim 2
Dependent Claim 73 words
An equipment for administering solid or semisolid preparations, comprising a solid needle member with an acute tip end, and a cylindrical member slidably mounted on the needle member, said needle member having a recess at its front part to from a preparation chamber between the needle member and cylindrical member, said preparation chamber being opened or closed by moving said cylindrical member in the direction parallel to the axis of the needle member.
Claim 3
Dependent Claim 65 words
An equipment for administering solid or semisolid preparations, comprising a cylindrical member with a capsule chamber, a hollow needle member removably mounted on the front end of the cylindrical member, and a plunger slidably arranged in the capsule chamber of the cylindrical member, said needle member and plunger having a common axis so that the plunger enters into the hollow needle member through the chamber.
Claim 4
Dependent Claim 65 words
An equipment for administering solid or semisolid preparations, comprising a cylindrical member with a capsule chamber, a hollow needle member removably mounted on the front end of the cylindrical member, and a plunger slidably arranged in the capsule chamber of the cylindrical member, said needle member and plunger having a common axis so that the plunger enters into the hollow needle member through the chamber.
Claim 5
Dependent Claim 35 words
The equipment according to claim 2 wherein the capsule chamber of the cylindrical member is so designed that two or more capsules are loaded therein in a row along the axis of the cylindrical member.
Claim 6
Dependent Claim 74 words
The equipment according to claim 2 or 3 wherein a capsule to be loaded in the capsule chamber comprises a capsule body containing a solid or semisolid preparation and being sealed at its both ends with sealing films of a biologically compatible material, and wherein the needle member comprises a hollow fine tube and a fixing member mounted on the rear end of the fine tube to form a stopper for the capsule body.
Claim 7
Dependent Claim 68 words
The equipment according to any of claims 2 to 4 further comprising a means for forcing the plunger toward the front end of the needle member, and a means for changing the position of a pushing head of the plunger from the resting position close to the rear end of the capsule chamber to the working position close to the tip of the needle member or vice versa.

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