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Syringe positioning device

A technology of positioning device and syringe, which is applied in the directions of syringe, hypodermic injection device, infusion set, etc., can solve the problems of ineffectiveness, inability to apply in the field of puncture, and inability to reach directly.

Active Publication Date: 2019-02-15
FLAT MEDICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this design is only for the visualization of LOR. If the medical staff is negligent in their judgment, mistakes will still occur, and the effect of preventing puncture cannot be directly achieved.
[0006] The above US patent is only for epidural injection and cannot be applied to more puncture fields. Taking chest tube drainage as an example, when the puncture target is the pleural cavity, the pressure in the pleural cavity is higher than that in the muscle layer When the film is convex or flat, the method of judging the position of the needle is useless

Method used

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  • Syringe positioning device
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Embodiment Construction

[0073] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0074] The positioning device 2 of the present invention basically includes a communication tube 20 , a film 220 , a first joint part 24 and a second joint part 26 . When the film 220 is pressed to protrude or depressurize, the effect of preventing the needle from moving forward is achieved through the engagement or separation of the first engagement member 24 and the second engagement member 26 . Wherein, when the puncturing action is in progress, the film pressurizes to protrude, driving the first engaging member 24 to engage with the second engaging member 26 to form the first use state; The separation from the second engagement member 26 is the first completed state. Or, when the needle is puncturing and the film is pressurized and protruding, the first engaging member 24 is driven to separate from the second engaging mem...

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Abstract

The invention discloses a locating device suitable for an injection syringe. The locating device comprises a communicating pipe, a thin film, a first joiner and a second joiner. The communicating pipe comprises a first opening, a second opening and a third opening. The first opening is connected with a needle head. The third opening is connected with a needle cylinder. The thin film is located at the second opening. The first jointer is sleeved with the outside of the communicating pipe. The second jointer is connected to the thin film. The second joiner is separated from or bonded with the first joiner with pressure of the communicating pipe lower and the thin film recessed.

Description

technical field [0001] The invention relates to a positioning device, in particular to a pressure-type induction syringe positioning device. Background technique [0002] Traditional medicine often requires puncture actions, such as: epidural injection, emergency tracheostomy, chest tube drainage, percutaneous gastrostomy, etc. If these puncture actions are excessive or insufficient, they are often accompanied by high risks, so Careful positioning is required. The following takes epidural injection as an example to illustrate the bottleneck of the current positioning technology. [0003] Epidural injection is a common anesthesia technique, which is widely used in local anesthesia and chronic lower back pain control. However, since the epidural space is located on the outside of the spine and its thickness is only about 3 mm, if the needle goes too deep, it will puncture the nerve. Therefore, the most common problems encountered at present are the difficulty in positioning ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61M5/31A61M5/42
Inventor 罗文甫
Owner FLAT MEDICAL CO LTD