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Multi-head type entry needle

An injection needle and multi-head technology, which is applied in the field of syringes, can solve the problems such as the insufficiency of the structure and the inability to adjust the protruding length of the needle tube, and achieve the effects of small size, compact coordination and high degree of coordination.

Pending Publication Date: 2019-10-29
BERPU MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing multi-head injection needle, the structure between the parts is not stable enough to adjust the protruding length of the needle tube, and it is necessary to redesign the disposable self-destruct structure

Method used

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  • Multi-head type entry needle
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Examples

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Embodiment Construction

[0070] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can more clearly understand how to practice the present invention. While the invention has been described in connection with preferred specific embodiments thereof, these embodiments are illustrative only and are not intended to limit the scope of the invention.

[0071] Figure 1 to Figure 3 Shown is a multi-headed injection needle in this embodiment, including a needle seat 1 , a needle tube 2 , a diverter seat 3 , a cone seat 4 , a negative pressure seat 5 and an adjustment seat 6 .

[0072] see Figure 4 and Figure 5 , the needle base 1 is in the shape of a block with rounded corners in cross section, and the needle base 1 is provided with a concave cavity 101 with an open top surface, and the bottom surface of the concave cavity 101 is provided with a circle of limiting steps 102 along the circumferen...

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Abstract

The invention relates to a multi-head type entry needle. The multi-head type entry needle comprises a needle seat provided with a concave cavity and a needle tubing fixing hole, a needle tubing fixedto the needle seat, a shunting seat arranged in the concave cavity of the needle seat and provided with a through hole, a cone seat, a negative pressure seat and an adjusting seat, wherein the throughhole penetrates through the upper end of the needle tubing, the cone seat is provided with a channel, an outer thread and a ring-shaped boss are arranged in the middle, a warning protrusion and a first self-destructed protrusion are arranged on the side surface of the ring-shaped boss, the bottom of the ring-shaped boss is arranged in the concave cavity of the needle seat, the bottom of the ring-shaped boss is assembled with the shunting seat to form a cavity, the negative pressure seat sleeves outside the needle seat, and is internally provided with a cross separating plate, the cross separating plate limits the downstream of the needle seat and is provided with a needle tubing passing hole, the adjusting seat sleeves the middle of the cone seat and the top of the negative pressure seat,and is provided with a ladder through hole, and the ladder through hole is internally provided with an inner thread and a second self-destructed protrusion. According to the multi-head type entry needle, the extension length of the needle tubing can be adjusted, and the self-destructed function and the warning function before self-destructing are achieved. The whole size is small, the parts are compact in matching, the matching degree is high, and the multi-head type entry needle can be assembled in one time.

Description

technical field [0001] The invention relates to the technical field of syringes, in particular to a multi-headed injection needle. Background technique [0002] In the existing multi-head injection needle, the structure between the parts is not stable enough to adjust the protruding length of the needle tube, and the disposable self-destruct structure needs to be redesigned. Contents of the invention [0003] The present invention aims at the above problems and provides a multi-headed injection needle. [0004] The purpose of the present invention can be achieved through the following technical solutions: [0005] A multi-head injection needle, comprising: a needle base, which is provided with a concave cavity with an open top surface and a needle tube fixing hole communicating with the bottom surface of the cavity; a needle tube, which is passed through and fixed in the concave cavity of the needle base and the needle tube fixing hole; The seat is arranged in the cavity...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M5/19A61M5/32A61M5/34A61M5/50
CPCA61M5/19A61M5/3298A61M5/34A61M5/50
Inventor 张洪杰王兴国胡良苗余步新
Owner BERPU MEDICAL TECH CO LTD
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