Flexible puncture needle device

A puncture needle and flexible technology, which is applied in the field of flexible puncture needle devices, can solve the problems that the puncture needle cannot bypass obstacles and accurately locate the target, and achieve the effect of precise solution and large elastic deformation range.

Active Publication Date: 2019-03-22
BEIJING SURGERII TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a flexible puncture needle device to solve the problem that the puncture needle cannot bypass obstacles and accurately locate the target during the puncture process

Method used

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  • Flexible puncture needle device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Embodiment 1 provides a flexible puncture needle device, and the structure of the flexible puncture needle device provided in embodiment 1 will be described in detail below.

[0033] refer to figure 1 , the flexible puncture needle device includes a puncture needle 10 and a transmission mechanism 20 , and the transmission mechanism 20 includes a transmission module 21 and a support frame 22 .

[0034] refer to figure 2 , the puncture needle 10 includes an outer sleeve 11 and a central tube 13 , and the outer sleeve 11 includes a puncture needle head 111 and a plurality of bending joints 112 .

[0035] refer to image 3 The two ends of the bending joint 112 are respectively provided with a pair of protrusions 1121 and a pair of grooves 1122, and the two ends of the puncture needle 111 are respectively provided with a needle point and a pair of grooves 1122; The protrusion 1121 is engaged with a pair of grooves 1122 of the needle head 111 of the puncture needle to for...

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PUM

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Abstract

The invention discloses a flexible puncture needle device which comprises a puncture needle. The puncture needle comprises an outer sleeve and a center tube, the center tube is inserted into the outersleeve from an end, far away from a needle head of the puncture needle, of the outer sleeve to form a center tube vacancy portion and a center tube insertion portion of the outer sleeve, the center tube vacancy portion can be bent, and the bending angle of the center tube vacancy portion is changed along with change of the length of the center tube vacancy portion when the center tube moves forwards or backwards in the outer sleeve along the axis of the outer sleeve. The flexible puncture needle device can be applied to a percutaneous puncture surgery, the bending angle and bending directionscan be adjusted in the puncture process, the puncture needle device can be integrated into a surgical robot system, and a flexible and accurate scheme is provided for the percutaneous puncture surgery according to medical imaging feedback.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a flexible puncture needle device. Background technique [0002] Puncture needle is an instrument used for percutaneous puncture interventional surgery. Compared with other surgical methods, puncture surgery can directly reach the patient site without exposing internal tissues and organs. It is easy to operate and is a minimally invasive diagnosis and treatment method. . [0003] Common puncture needles on the market, such as Seldinger needles and Chiba needles, are mostly slender and rigid structures. In the actual puncture process of this kind of slender rigid puncture needle, since it cannot flexibly bypass obstacles such as some important organs or tissues of the human body, its puncture process is difficult to control precisely. At the same time, the puncture needle itself is deformed, and the puncture needle is easy to deviate from the target. It is difficult ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/34
CPCA61B17/3417A61B17/3421A61B2017/3454A61B17/3403A61B17/3401A61B2017/003A61B2017/00314A61B17/3478A61B2017/348
Inventor 徐凯陈煜阳
Owner BEIJING SURGERII TECH CO LTD
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