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Bullet-nosed detachable adaptive puncturing locating mould plate

A positioning template, split technology, applied in puncture needles, medical science, radiotherapy, etc., can solve the problems of difficulty in ensuring parallelism, affecting the treatment effect, and difficulty in ensuring uniform distribution, and achieves low manufacturing cost, convenient use, and reduced cost. The effect of small touch panel area

Inactive Publication Date: 2008-04-16
THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the absence of a positioning device, it is not only difficult to ensure uniform distribution of multiple needles, it is even more difficult to ensure parallel
Similarly, the same problem exists when biopsy specimens need to be taken simultaneously in a small area
Especially in the case of small needle distance, this shortcoming is particularly obvious, which seriously affects the treatment effect

Method used

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  • Bullet-nosed detachable adaptive puncturing locating mould plate
  • Bullet-nosed detachable adaptive puncturing locating mould plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Fig. 1 is a schematic cross-sectional view of the structure of the present invention, as shown in the figure: the detachable conformal puncture positioning template of the present invention includes two rectangular parallelepiped bases 1, the rectangular parallelepiped base 1, and a rectangular parallelepiped that is evenly distributed on the rectangular parallelepiped base 1 The transparent pinholes 4 on the upper and lower planes of the substrate 1 fix the front, rear, left, and right positions of the puncture needle during the puncture process to avoid bending, direction deviation and slipping; the transparent pinholes 4 are set in the center of the substrate to ensure the combination of multiple substrates The rear pinholes can be evenly distributed, so as to ensure the uniform distribution of puncture needles; a pair of opposite sides of the rectangular parallelepiped base 1 are respectively provided with a longitudinal dovetail groove 2, and the other pair of opposi...

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Abstract

A detachable type shape-adapted puncture positioning mould board is disclosed in the present invention, comprising at least two substrates, the substrates comprise side face, upper plane and lower plane, the substrates are provided with at least one permeation needle holes, the permeation needle holes of different substrates are parallel mutually; the at least two substrates assort with up and down slidable horizontal fixing mode, the present invention can fix the puncture needle horizontal position during puncturing course, avoid bending, deviating direction and skidding, expanding the mould board using range, at the same time, can ensure a plurality of puncture needles are parallel mutually; each substrate can slide up and down, ensure the needle holes are parallel at the same time, can be suitable for irregular tissue surface puncture.

Description

technical field [0001] The invention relates to a medical instrument for puncture, in particular to a detachable conformal puncture positioning template. Background technique [0002] Puncture is a means of biopsy and treatment of diseases. For example, percutaneous biopsy is to reach the lesion area for biopsy by percutaneous puncture, and seed implantation is to reach the lesion area for treatment by percutaneous puncture. On the one hand, it is used for the diagnosis of diseases, and on the other hand, it injects drugs and places instruments through puncture for treatment. During the puncture process, the puncture needle is used to penetrate into the surface of the tissue for collecting specimens and establishing a working channel. In the prior art, puncture needles are generally used for direct puncture. When the surface of the punctured tissue is relatively hard (such as bone), it is prone to slipping. It is difficult to control the puncture point and direction, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B19/00A61B10/00A61M36/00A61B17/34
Inventor 黄学全
Owner THE FIRST AFFILIATED HOSPITAL OF THIRD MILITARY MEDICAL UNIVERSITY OF PLA
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