Title:
CRANIOCEREBRAL OPERATION CHANNEL
Document Type and Number:
WIPO Patent Application WO/2021/227680
Kind Code:
A1
Abstract:
A craniocerebral operation channel (100) comprises a guide device, a trocar (2), and an outer sheath tube (4). The guide device is used for penetrating into the brain of a patient; a through hole (21) is formed in the middle portion of the trocar (2) and passes through the trocar (2) in the direction of the central axis of the trocar (2); the through hole (21) and the trocar (2) are coaxially provided; the trocar (2) can be fitted over the periphery of the guide device through the through hole (21), and can slide in the length direction of the guide device. The interior of the outer sheath tube (4) is hollow and is used for providing an operation channel, and the outer sheath tube (4) can be fitted over the periphery of the trocar (2). The craniocerebral operation channel is accurate in positioning and can effectively protect the brain tissue of the patient.
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Inventors:
LI YING (CN)
Application Number:
PCT/CN2021/083294
Publication Date:
November 18, 2021
Filing Date:
March 26, 2021
Export Citation:
Assignee:
CHONGQING JINYUANXI MEDICAL TECH CO LTD (CN)
International Classes:
A61B17/34
Foreign References:
| CN212261467U | 2021-01-01 | |||
| CN111437014A | 2020-07-24 | |||
| US20140142394A1 | 2014-05-22 | |||
| CN106943179A | 2017-07-14 | |||
| CN208725847U | 2019-04-12 | |||
| CN201958929U | 2011-09-07 | |||
| CN108814664A | 2018-11-16 | |||
| CN101616626A | 2009-12-30 | |||
| CN201516071U | 2010-06-30 | |||
| US8080030B2 | 2011-12-20 |
Attorney, Agent or Firm:
BEIJING GAOWO LAW FIRM (CN)
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