A control method of a transmission mechanism
A technology of a transmission mechanism and a control method, applied in directions such as surgical fixation nails, can solve the problems of increasing surgical risks, the inability of the end effector to be removed from the human body cavity, and the inability to open the end effector, so as to achieve the effect of overcoming the inability to drive
Active Publication Date: 2021-12-07
FENGH MEDICAL CO LTD
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Problems solved by technology
When the end effector is located in the body cavity and closed, if the trigger or motor assembly fails, the anvil cannot pivot and the end effector cannot be opened, and the treated tissue cannot be separated from the end effector, making the end effector The device cannot be removed from the body cavity, which increases the risk of surgery
In addition, when the end effector is opened, if the trigger or the motor assembly fails, the anvil cannot pivot to close the end effector, and the treated tissue cannot be positioned smoothly, resulting in the failure of the operation to proceed smoothly, and the open The end effector cannot be removed from the body cavity due to size constraints
Method used
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Embodiment Construction
[0044] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings.
[0045] The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. "Several" means at least one.
[0046] The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0047] Such as Figure 1 to Figure 10Shown is a stapler 100 according to the first embodiment of the present invention, which includes an operati...
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The invention discloses a control method of a transmission mechanism. The transmission mechanism includes a rack assembly and a gear assembly, the rack assembly includes a rack, the gear assembly includes a first gear, and the first gear meshes with the rack; The connecting piece; the control method includes the following steps: S1: Driving the connecting piece to move, so that the connecting piece presses against the first gear and drives the first gear to move, so that the first gear is disengaged from the rack. The transmission mechanism of the present invention includes a connecting piece, and the operator can control the movement mode of the transmission mechanism by manually controlling the connecting piece, which can overcome the defect that the transmission mechanism cannot transmit when the electric drive fails.
Description
technical field [0001] The invention relates to a control method of a transmission mechanism. Background technique [0002] As we all know, endocavity cutting staplers have been widely used in intracavity operations such as the abdominal cavity. [0003] Existing endocavity cutting staplers generally include an operating assembly, a shaft assembly longitudinally extending from the operating assembly, and an end effector disposed at the distal end of the shaft assembly. The stapler also includes a trigger and motor assembly extending downward from the bottom of the operating assembly. A trigger can be manipulated to open and close the end effector. The end effector includes a staple cartridge base and an anvil base pivotally connected to the staple cartridge base for operably supporting the staple cartridge therein, the anvil base being movable between an open position and a closed position Exercise selectively. Operation of the trigger advances the shaft assembly causing...
Claims
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IPC IPC(8): A61B17/072
CPCA61B17/07207A61B2017/07271A61B2017/07278
Inventor 孙宝峰张志星
Owner FENGH MEDICAL CO LTD