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Mechanical thrombus removing device

A technology for removing devices and thrombus, which is applied in the field of medical devices, can solve the problems of poor resection performance and low efficiency, and achieve the effects of improving flexibility, reducing resistance, improving efficiency and resection performance

Pending Publication Date: 2022-02-15
江苏金泰医疗器械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is to overcome the defects of low efficiency and poor resection performance of the mechanical thrombus removal device in the prior art by adopting the rotating thrombus breaking head, thereby providing a mechanical thrombus removal device

Method used

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Embodiment Construction

[0030] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides a mechanical thrombus removing device, and belongs to the technical field of medical instruments. The mechanical thrombus removing device comprises a shell, the shell is connected with a catheter, and the far end of the catheter is connected with a thrombus taking head; a thrombus breaking cutter is arranged in the thrombus extraction head, an inner cutting edge is arranged on the thrombus breaking cutter, and an outer cutting edge matched with the inner cutting edge is arranged on the thrombus extraction head; a transmission rod is arranged in the catheter in a sliding and sleeved mode, the far end of the transmission rod is connected with a thrombus breaking knife in the thrombus taking head, the near end of the transmission rod is connected with a driving device in the shell, and the driving device is used for driving the transmission rod to rotate in the catheter and move in a reciprocating mode in the axial direction at the same time. Under the driving of the transmission rod, the thrombus breaking knife rotates in the thrombus taking head and moves back and forth in the axial direction; according to the mechanical thrombus removing device, the thrombus is impacted during rotary cutting, and the thrombus taking treatment efficiency and the cutting performance can be improved.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a mechanical thrombus removal device. Background technique [0002] Thrombosis can cause limb swelling, pain, ulcers, and even pulmonary embolism, which is life-threatening. Clinically, it is mainly treated by thrombolysis or mechanical thrombectomy. With thrombolysis, due to the slow effect of treatment, the limited number of treatable cases, and some complications, most patients, especially emergency patients, are finally treated with mechanical thrombectomy. [0003] Chinese patent document CN109199527A discloses a mechanical thrombus removal device. The thrombus breaking system includes: a rotating drive device, a transmission tube and a thrombus breaking knife. The rotating drive device drives the transmission tube to rotate, and the transmission tube drives the thrombus breaking knife to rotate. Thrombus fragmentation is performed on the thrombus sucked into the th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/32A61B17/3207
CPCA61B17/32002A61B17/32075A61B17/320783A61B2017/320028A61B2017/320032
Inventor 王泱杨青林宋浩李政轩姜立红
Owner 江苏金泰医疗器械有限公司
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