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syringe

A technology for a syringe and a lancet, applied in the field of syringes, can solve the problems of unsatisfactory transport efficiency of syringes and unsatisfactory storage space operability, and achieve the effects of improving linear stability, reducing track deviation, and reducing pain.

Inactive Publication Date: 2016-10-19
ASAHI POLYSLIDER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to such a "long shape", the volume of the syringe as a whole increases, and as a result, it is not always satisfactory in terms of transport efficiency, storage space, and operability of the syringe.

Method used

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Embodiment Construction

[0058] The syringe of the present invention will be described in detail with reference to the accompanying drawings.

[0059] The "direction" used in this specification is defined as follows. Let the direction from the bottom of the inner cylinder towards the open end of the inner cylinder along the central axis or the long side direction of the inner cylinder, or the direction from the bottom of the outer cylinder towards the open end of the outer cylinder along the central axis or long side direction of the outer cylinder be referred to as the "front" direction , setting its opposite direction as the Back direction. These directions are shown in the accompanying drawings. In addition, the "transverse direction" is a direction perpendicular to the central axis or the longitudinal direction of the inner cylinder or the outer cylinder. Also, the "front direction" actually corresponds to the "piercing direction" in which the lancet is fired (ie, the direction in which the punc...

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Abstract

The present invention provides a syringe for puncturing by firing a lancet. Such a syringe includes a plunger member for emitting a lancet in a puncturing direction, and a syringe sleeve containing the plunger member. The plunger member is constituted by having a lancet attachment portion at its distal end portion, and the lancet attachment portion has a double-tube structure including an outer cylinder and an inner cylinder, and the outer cylinder and the inner cylinder are separated from each other.

Description

technical field [0001] The present invention relates to syringes for use as piercing devices. More specifically, the present invention relates to a syringe that fires a "lancet for blood collection" to provide puncture. Background technique [0002] To measure the blood sugar level of a diabetic patient, it is necessary to collect the blood of the diabetic patient. Various puncture devices are used in order to take tiny amounts of blood. Such equipment generally consists of a lancet (for example, Patent Document 1) and a syringe. The lancet is a part that actually punctures, while the syringe has a function of firing the lancet toward a predetermined position. [0003] Specifically, the lancet is provided with a puncture needle, while the syringe is provided with a plunger including a lancet mounting portion and a spring. The spring of the plunger is used in a compressed state. The propulsion for plunger firing is obtained by releasing the compressed state of the spring...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/151
CPCA61B5/1519A61B5/150022A61B5/150106A61B5/15019A61B5/150435A61B5/150549A61B5/150618A61B5/150717A61B5/150732A61B5/151A61B5/15113A61B5/15117A61B5/1513A61B5/15194F04C2270/0421
Inventor 佐伯秀明居森博和
Owner ASAHI POLYSLIDER CO LTD
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