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Safe self-destroying transfusion injection needle provided with movable protective sleeve

A protective sleeve and injection needle technology, applied in the field of medical equipment, can solve the problems of the needle tube not easy to be destroyed, accidental injury of the needle tube, etc., and achieve the effect of preventing accidental injury to the human body and convenient connection

Active Publication Date: 2012-10-17
SHANGHAI DAHUA MEDICAL APP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the prior art is that the needle tube of the infusion injection needle is not easily destroyed after use, and the repeated use of the syringe may cause accidental injury by the used needle tube.

Method used

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  • Safe self-destroying transfusion injection needle provided with movable protective sleeve
  • Safe self-destroying transfusion injection needle provided with movable protective sleeve
  • Safe self-destroying transfusion injection needle provided with movable protective sleeve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Safety self-destruct infusion injection needle with removable protective sheath, total length 20 cm. The front part is provided with needle tube 1, and needle tube 1 is fixed on the front part of needle holder 3, and needle holder 3 is fixed on the front part of nylon infusion tube 6. The needle seat 3 is 4 centimeters long; the infusion tube 6 is 14 centimeters long and 5 millimeters in outer diameter. The front part of the needle holder 3 is provided with an annular groove 2 around the circumference of the needle holder; the annular groove 2 is 5 mm wide and 1 mm deep. An elastic clip 5 is provided at the joint between the needle hub 3 and the infusion tube 6, and the maximum width of the elastic clip 5 is 14 mm. The front portion of the elastic clip 5 is provided with locking teeth 4, and the maximum width of the locking teeth 4 is 10 mm. The afterbody of nylon infusion tube 6 is provided with connecting screw 7; The front portion of connecting screw 7 is provided ...

Embodiment 2

[0028] Safety self-destruct infusion injection needle with removable protective sheath, total length 24 cm. The front part is provided with needle tube 1, and needle tube 1 is fixed on the front part of needle holder 3, and needle holder 3 is fixed on the front part of nylon infusion tube 6. The needle seat 3 is 6 centimeters long; the infusion tube 6 is 14 centimeters long and 5 millimeters in outer diameter. The front part of the needle holder 3 is provided with an annular groove 2 around the circumference of the needle holder; the annular groove 2 is 5 mm wide and 1 mm deep. A nylon elastic clip 5 is provided at the junction of the needle hub 3 and the infusion tube 6, and the maximum width of the nylon elastic clip 5 is 16 mm. The front portion of the elastic clip 5 is provided with locking teeth 4, and the maximum width of the locking teeth 4 is 12 mm. The afterbody of nylon infusion tube 6 is provided with connecting screw 7; The front portion of connecting screw 7 is ...

Embodiment 3

[0030] Safety self-destruct infusion injection needle with removable protective sheath, total length 20 cm. The front part is provided with needle tube 1, and needle tube 1 is fixed on the front part of needle holder 3, and needle holder 3 is fixed on the front part of nylon infusion tube 6. The needle seat 3 is 4 centimeters long; the infusion tube 6 is 14 centimeters long and 5 millimeters in outer diameter. Nylon infusion tube 6 and elastic clamp 5, locking tooth 4, connecting screw 7, operating handle 12 are made by mould. The annular groove 2 plastics that needle base 3 and front part are provided with is once made, and is bonded in the elastic clip 5 middle part of infusion tube 6 front parts, and needle tube 1 is bonded in the front part of needle base 3. The protective cover includes a protective tube 9, a groove 11 at the end of the protective tube, and a lock piece 10, which are made of plastic at one time; a butterfly-shaped hand-held piece 8 made of red plastic is...

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PUM

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Abstract

The invention relates to a safe self-destroying transfusion injection needle provided with movable protective sleeve, belonging to the medical machinery. The needle tube of existing transfusion injection needle is difficult to destroy after use, and reutilization can cause the spread of hepatitis B, hepatitis C and AIDS. The safe self-destroying transfusion injection needle of the invention is inthe structure that the front part is provided with a needle tube (1), the needle tube (1) is fixed on a needle base (3), the needle base is fixed at the front part of a transfusion tube (6); the front part of the needle base (3) is provided with an annular groove (2); an elastic clamp (5) is arranged at the junction of the needle base (3) and the transfusion tube (6), the front part of the elastic clamp (5) is provided with a locking tooth (4); the middle part of a protective sleeve is provided with a protective tube (9), the rail part of the protective tube (9) is provided with a rail groove(11), the front part of the tail groove (11) is provided with two locking pieces (10), and an angle of 180 degrees is kept between the two locking pieces (10). The invention has the advantages that self-locking and self-destroying can be carried out on the used needle tube by moving the protective sleeve after use and the phenomenon that human body is accidentally injured by the needle tube or reutilization of the needle tube can be prevented.

Description

technical field [0001] The invention belongs to medical equipment, in particular to a safety self-destruct transfusion injection needle with a movable protective cover. Background technique [0002] In medical work, people need to use needle tubes frequently, the syringes used in the treatment of diseases, and the samplers used in inspections all have needle tubes. For the convenience of operation, people often connect the needle tube and the needle seat together to form a needle tube assembly, which is connected with the syringe and the like to complete the medical operation task. The disadvantage of the prior art is that the needle tube of the infusion injection needle is not easily destroyed after use, and the syringe may be reused or accidentally injured by the used needle tube. The transmission of hepatitis B, hepatitis C and AIDS caused by unsafe injections has become a serious public health problem. Therefore invent a kind of safety self-destruct transfusion injecti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/158A61M5/50A61M5/32A61B5/153
Inventor 陈华
Owner SHANGHAI DAHUA MEDICAL APP