Atherectomy cold cutting device

In subclavian artery endarterectomy, the cold cutting device for endarterectomy uses a small incision to push a stripping ring into the blood vessel and pull and cut the intima, solving the problem of large incisions that are time-consuming and laborious in existing techniques. This achieves safe and efficient plaque removal and shortens the patient's recovery time.

CN224540274UActive Publication Date: 2026-07-24THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL
Filing Date
2025-06-30
Publication Date
2026-07-24

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    Figure CN224540274U_ABST
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Abstract

The utility model relates to a kind of endarterectomy cold cutting devices, comprising: stripping ring, stripping rod, cold cutting snare silk, pull cutting ring, handle and safety button;Stripping ring is arranged at the one end of stripping rod, handle is arranged at the other end of stripping rod;Annular groove is equipped on the inner curve of stripping ring, stripping rod is equipped with hollow passage, hollow passage is communicated annular groove;Cold cutting snare silk is arranged along annular groove and hollow passage;Groove is equipped on the top surface of handle, pull cutting ring is slidably arranged in the groove;Two ends of cold cutting snare silk are connected with pull cutting ring;Safety button is arranged in the side wall of handle, and is detachably connected with pull cutting ring, when safety button and pull cutting ring are separated, cold cutting snare silk is driven to the direction of handle by the movement of pull cutting ring in the groove action.The utility model can strip long endarterectomy under the condition of small incision, greatly improve the efficiency and safety of the operation.
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