Buffer driving device and electric stitching instrument
A buffer drive and buffer technology, which is applied in surgical instruments, nuclear power generation, and reduction of greenhouse gases, etc., to achieve the effects of simple operation, preventing excessive linear reciprocating motion, and avoiding insufficient motion stroke
Pending Publication Date: 2022-05-27
海南维智博威鑫科技有限公司
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But the structure of the above-mentioned utility model is used for the mechanical trigger operation device, which can only be buffered in one direction
Method used
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[0055] The specific embodiments of the present invention will be described in detail below.
[0056] like figure 1 As shown, the buffer drive device 100 includes:
[0057] One end of the main buffer rod 180 is provided with a main buffer rod screw 181, the other end of the main buffer rod 180 is provided with a main buffer rod base 182, and a reset buffer shaft support hole 183 is concavely formed in the middle of the main buffer rod base 182;
[0058] The second buffer bushing 170 is provided with the main buffer rod groove 171, the reset buffer shaft groove 172 and the intermediate shaft groove 174 (such as Figure 4 shown), the main buffer rod 180 passes through the main buffer rod compression spring 190 in turn, the main buffer rod support plate 1100 is connected to the connecting pipe 1112 through the main buffer rod screw 181, the main buffer rod compression spring 190, the main buffer rod support plate 1112 1100 are embedded in the main buffer rod groove 171;
[0059...
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The buffer driving device comprises a main buffer rod, one end of the main buffer rod is provided with a main buffer rod screw, and the other end of the main buffer rod is provided with a main buffer rod base and a reset buffer shaft supporting hole; the second buffer shaft sleeve is provided with a main buffer rod groove, a reset buffer shaft groove and a middle rotating shaft groove which are adjacent in sequence; the reset buffer shaft penetrates through the reset buffer shaft compression spring, is inserted into the reset buffer shaft groove and is inserted into the reset buffer shaft supporting hole along the reset buffer shaft groove; one end of the middle rotating shaft is provided with a middle rotating shaft T-shaped groove and a middle rotating shaft second step surface, and the other end of the middle rotating shaft is provided with a middle rotating shaft first step surface and embedded into the middle rotating shaft groove. The invention further discloses an electric stitching instrument. The structure and operation are simple, the buffer driving device can effectively ensure that the suture needle rotates to the expected position, mechanical damage caused by too long linear reciprocating motion due to large eccentricity of the motor can be effectively prevented, meanwhile, the eccentricity can be increased, and the situation that the suture needle cannot rotate to the designated position due to insufficient motion stroke is avoided.
Description
technical field [0001] The invention relates to a buffer driving device and an electric stitcher. Background technique [0002] Laparoscopic surgery is a newly developed minimally invasive method and an inevitable trend in the development of future surgical methods. [0003] With the rapid development of industrial manufacturing technology, the integration of related disciplines has laid a solid foundation for the development of new technologies and methods. Coupled with the increasingly skilled operation of doctors, many open surgeries in the past have been replaced by endovascular surgeries. Increased surgical options. [0004] The traditional method of laparoscopic surgery is to insert a tube-shaped working channel called "trocar", and all subsequent operations are carried out through this tube; and then use special lengthened surgical instruments to complete the same steps as open surgery under TV monitoring to achieve the same surgery. Effect. [0005] In recent year...
Claims
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IPC IPC(8): A61B17/04
CPCA61B17/0401A61B17/0469A61B17/0491Y02E30/30
Inventor 薛晓燕
Owner 海南维智博威鑫科技有限公司