Patent ID: 11890195
Assignee: SHANGHAI NEWMED MEDICAL CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 16:
17. The assembling method according to claim 16, wherein the proximal joint body is in a tubular shape, and the operation of welding the shape memory alloy member to the proximal joint in a way that the proximal through-hole is in communication with the proximal end of the proximal coil further comprises:
welding the shape memory alloy member to an interior of a proximal sleeve;
sleeving the proximal sleeve inside the proximal joint body; and
welding the proximal sleeve to the proximal joint body in a way that the proximal sleeve is coaxially with the proximal joint body, so that an inner cavity of the proximal sleeve serves as a section of the proximal through-hole.