Clamping mechanism, bone drilling device and surgical robot
A clamping mechanism and bone drill technology, which are used in surgical robots, surgery, medical science, etc., can solve the problems of poor clamping stability, affecting the service life of the surgical precision drill bit, and large beating of the drill bit end, so as to prolong the service life. , Improve the accuracy of surgery and treatment effect, and ensure the effect of installation accuracy
Active Publication Date: 2022-02-01
APEIRON SURGICAL CO LTD
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Problems solved by technology
[0005] Embodiments of the present invention provide a clamping mechanism, a bone drill device, and a surgical robot to solve the problem that the existing bone drill device fixes the drill bit through a multi-claw clamping structure, which has poor clamping stability and large jumps at the end of the drill bit. Problems that affect surgical accuracy and drill life
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0020] It should be understood that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic related to the embodiment is included in at least one embodiment of the present invention. Thus, appearances of "in one embodiment" or "in an embodiment" in various places throughout the specification are not necessarily referring to the same embodiment. Furthermore, the particu...
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The embodiment of the invention provides a clamping mechanism, a bone drill device and a surgical robot, and relates to the technical field of medical equipment.The first end of a main shaft is provided with a counter bore and a locking nut, the locking nut is in threaded connecting with the first end of the main shaft, a cutter bar is embedded in the counter bore and the locking nut, and the second end of the main shaft is used for being connected with the output end of a motor; and the motor drives the cutter bar to coaxially rotate through the main shaft, a conical section is arranged in the counter bore, and the cutter bar is provided with a conical head matched with the conical section. A fastener is pressed in a gap between the cutter bar and the main shaft, and a first conical surface and a second conical surface which are matched with each other in shape are respectively arranged on the contact surfaces of the fastener and the main shaft. The cutter bar is clamped through two self-centering support points, the mounting stability of the cutter bar is greatly improved, it is guaranteed that the cutter bar does not shake when bearing radial force, meanwhile, the axial mounting precision of the cutter bar is also guaranteed, then the operation precision and the treatment effect are improved, and meanwhile the service life of the cutter bar is also prolonged.
Description
technical field [0001] The invention relates to the technical field of medical equipment, in particular to a clamping mechanism, a bone drill device and a surgical robot. Background technique [0002] The bone drill device is a common device for surgical operations. The operator holds the bone drill device to drill the drill bit from the surface of the bone tissue along the direction of the preset drilling axis to form a bone tissue drill hole. [0003] In the existing bone drill device, the drill bit is fixed to the power output end of the bone drill device through a multi-claw clamping structure, and the power output end of the bone drill device drives the drill bit to rotate coaxially. [0004] When the operator uses the bone drill device of the prior art to perform operations, the clamping stability of the drill bit by the multi-claw clamping structure is relatively poor, especially when the drill bit length is long, it is easy to cause the end of the drill bit to jump g...
Claims
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IPC IPC(8): A61B17/16A61B34/30
CPCA61B17/1615A61B34/30
Inventor 王迎智徐高峰袁平
Owner APEIRON SURGICAL CO LTD