Surgical operating instrument and driving device thereof

Abstract

The invention relates to the technical field of medical instruments and discloses a driving device and a surgical operating instrument. The driving device comprises a driving component, and the driving component comprises a transmission component, a limiting mechanism, a first rotary sleeve and a second rotary sleeve, wherein the transmission component is used for driving an end effector to turn during acting, the limiting mechanism is mounted on a fixing handle and circumferentially locks a slender body when being positioned at a limiting position, the first rotary sleeve is mounted on the fixing handle and is circumferentially locked with the slender body, and the second rotary sleeve sleeves the first rotary sleeve coaxially. When being positioned at a turn adjusting position, the second rotary sleeve is in transmission connection with the transmission component and is matched with the limiting mechanism to enable the limiting mechanism to be kept at the limiting position; when being positioned at a rotation adjusting position, the second rotary sleeve is not in transmission connection with the transmission component, and the limiting mechanism restores. The driving device is capable of improving stability in switching between end effector turn control and slender body rotation control in the surgical operating instrument.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a driving device for a surgical instrument and the surgical instrument. Background technique [0002] Surgical instruments under the laparoscope have less trauma to the patient, and the surgical effect is good, which can greatly reduce the pain caused to the surgical patient. [0003] Taking the cutting and stapler as an example, the cutting and stapler includes an operating handle, an elongated body, and an end effector; the operating handle includes a fixed handle and a firing handle, wherein the fixed handle is used to be held by the user, and the firing handle is used to be held by the user. Operate to provide control and drive. The far side of the operating handle (the side close to the user during operation is the proximal side, and the side away from the user is the far side) is connected to the end effector through an elongated body. Under the control of the ...

AI Technical Summary

Problems solved by technology

[0005] In the prior art, the rotation of the slender body and the bending of the end effector are generally driven by two working states of the same group of driving components; when the driving component is in one working state, the driving component can drive the end effector relative to the slender When the elongated body turns, the driving assembly cannot drive the slender body to rotate at this time; when the driving assembly is in another working state, the driving assembly can drive the slender body to rotate, and at this time, the driving device cannot drive the end effector to bend

[0006] However, the driving assembly in the cutting and stapler in the prior art has poor stability when switching between the two working states of controlling the bending of the end effector and controlling the rotation of the elongated body, so that the driving assembly drives the end at the same time. Actuator bending and slender body rotation increase the risk of medical malpractice

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