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Puncturing device and puncturing needle cartridge

A technology of puncture needles and instruments, applied in the fields of sensors, medical science, diagnosis, etc., can solve problems such as infection and danger, achieve the effects of reducing pain, preventing infection, and simplifying the manufacturing process

Active Publication Date: 2010-11-03
PHC HLDG CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is possible to use the puncture needle 1004 once used without replacing it, causing problems such as infection.
[0009] and, in Figure 11 When the illustrated puncture needle cartridge 1101 is mounted on the puncture device 1000, if the puncture needle protection cover 1006 is not installed, the puncture needle 1004 may protrude sometimes.
Moreover, although the large-diameter portion 1008 is provided on the lancet body 1007, and the lancet body 1007 cannot move unless a predetermined force is applied, once the puncture needle cylinder 1101 has performed a puncturing action, it is released by the large-diameter portion 1008. If the formed lock is formed, the puncture needle cylinder 1101 pulled out from the puncture device is downward, etc., the puncture needle 1004 may protrude from the opening of the puncture needle holder 1005, and it may be very dangerous if the cap is not worn during disposal. question

Method used

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  • Puncturing device and puncturing needle cartridge
  • Puncturing device and puncturing needle cartridge
  • Puncturing device and puncturing needle cartridge

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0046] A puncture device according to a first embodiment of the present invention will be described with reference to FIG. 1 .

[0047] Fig. 1 is a configuration diagram of a puncturing device according to a first embodiment of the present invention. Fig. 1(a) is a cross-sectional view of the ejection mechanism part including ejection lever 9, ejection lever spring 10, ejection button 12, ejection locking pawl 13 and locking pawl spring 14, and Fig. 1(b) is the ejection mechanism installed. Sectional view of the state of the part.

[0048] In FIG. 1 , the puncture device of the first embodiment is mainly composed of a bottom plate 1 provided inside a housing 15 and a push rod 2 slidably held on the bottom plate 1 . Here, the housing 15 and the bottom plate 1 may also be formed integrally.

[0049] The housing 15 has an opening 15b for inserting the puncture needle cylinder 16 into the front end, and the needle depth adjustment knob 6 is rotatably fitted in the opening 15b. ...

no. 2 approach

[0073] Use the following Figure 4 A puncture needle cartridge according to a second embodiment of the present invention will be described through FIG. 9 .

[0074] Figure 4 It is a diagram showing an example of a puncturing device for puncturing with the puncture needle cartridge of the second embodiment attached. Such as Figure 4 As shown, the puncture needle cartridge 102 of the second embodiment is installed on the puncture device 101 . The direction that will cause the needle to protrude ( Figure 4 Arrow direction in ) as the front end direction, and the direction opposite to the front end direction ( Figure 4 The opposite direction of the arrow direction in ) is used as the rear end direction.

[0075] Use the following Figure 5 , Figure 6 and Figure 7 The specific configuration of the puncture needle cartridge 102 of the second embodiment will be described.

[0076] Figure 5 It is a structural diagram of the puncture needle cartridge of the second embo...

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PUM

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Abstract

A needle insertion instrument has a plunger (2) provided with a lever (3) whose rotation is partly restricted, and the needle insertion instrument is constructed as follows: forwardly directed urging force is applied to the lever (3) by contracting restoring force of a pulling spring (4), and, when the lever (3) is further advanced by inertia of the plunger (2) from a position after which the urging force is not applied to the lever (3), the lever (3) functions as a lever to again extend the pulling spring (4), causing the plunger (2) to be urged in the direction to a rear end by restoring force of the spring. Further, an insertion needle cartridge has a lancet body (203) having an insertion needle and an insertion needle holder (201) for movably receiving the lancet body (203). The lancet body (203) has an arm means (302), and the insertion needle holder (201) has in it a to-be-engaged means (403) cooperating with the arm means (302). The construction above enables a production process to be simplified, multiple insertion of an insertion needle to be prevented, needle insertion speed to be adjusted, and an insertion needle to be safely disposed after use.

Description

technical field [0001] The present invention relates to a puncture device used to collect blood from a fingertip or the like before blood analysis, and a puncture needle cartridge for replacement thereof. Background technique [0002] At present, in order to perform blood analysis, various puncture devices for collecting blood from human or animal skin have been invented, and in recent years, a puncture device in which a puncture needle is attached to a puncture device while accumulating force for puncturing has been invented. Appliance (for example, refer to Patent Document 1). Such a puncturing device utilizes two compression springs, namely a first compression spring for puncturing and a second compression spring for pulling out, to perform the puncturing and pulling out actions. In addition, in order to prevent infection caused by blood adhesion, a puncture needle cartridge for disposing of the part that comes into contact with the skin has also been developed. [0003...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/151
Inventor 梅林伸江坪内敏晴
Owner PHC HLDG CORP