Tubular holder for holding tail end of mechanical arm of holding bone drill

A technology of mechanical arms and grippers, applied in the field of gripping mechanisms, can solve the problems of grippers that do not have positioning accuracy, assembly and disassembly, and gripping reliability, so as to reduce the probability of interference, simple operation, and fewer parts Effect

Active Publication Date: 2012-07-18
SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no holder specially used for this type of medical bone drill. The holders of similar existing tubular devices do not have high positioning accuracy, convenient assembly and disassembly, clamping reliability and simple and compact appearance. and size

Method used

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  • Tubular holder for holding tail end of mechanical arm of holding bone drill
  • Tubular holder for holding tail end of mechanical arm of holding bone drill
  • Tubular holder for holding tail end of mechanical arm of holding bone drill

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Embodiment Construction

[0025] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0026] The tubular holder at the end of the mechanical arm holding the bone drill of the present invention should meet the following functional requirements: (1) As a medical device, the bone drill should be cleaned and disinfected frequently, so the holder must realize the installation and disassembly of the bone drill in a simple manner , to facilitate the operation of medical staff; (2) As a part of the robot system, the holder must have high positioning accuracy to ensure that the position and angle of the bone drill are always consistent after each disassembly; (3) The holder must have a small external dimension and a simple external shape to minimize the probability of its interference with other medical equipment and the patient's body, and at the same time be easy to clean; (4) In addition, the holder must be compatible with manual hand...

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Abstract

The invention relates to a tubular holder for holding a tail end of a mechanical arm of a bone drill. The tubular holder comprises a main holding pipe, an opening snap ring, a locking sleeve and a plurality of cone-shaped holding blocks, wherein the holding pipe is arranged at the tail end of the mechanical arm; the opening snap ring is positioned in the middle outside the main holding pipe; the locking sleeve is sleeved at a tail end of the outer part of the main holding pipe, the plurality of cone-shaped holding blocks are respectively positioned in holding block holes arranged at the tail end of the outer part of the main holing pipe and are arranged in the locking sleeve. The tubular holder can not only have the positioning function along the axial line of the tubular holder, but alsoensure that the axial line of the bone drill is consistent with the axial line of the holder all the time, thereby realizing the accurate repeated positioning of the bone drill after disassembly and assembly at one time; in addition, the tubular holder also has the characteristics that the operation is simple, the structure is compact, the holding force is small, the holding is reliable, etc.

Description

technical field [0001] The invention relates to a clamping mechanism for an orthopedic minimally invasive surgery auxiliary mechanical arm, in particular to a tubular clamper at the end of a mechanical arm for clamping a bone drill. Background technique [0002] In orthopedic surgery, it is often necessary to drill holes in bone for screw placement. Minimally invasive surgery is an important development direction in the field of surgery at present, with the advantages of less surgical trauma and fewer postoperative complications. In recent years, with the development of various minimally invasive surgical instruments and techniques, surgical indications have been continuously expanded. In the process of minimally invasive orthopedic surgery, especially in the process of minimally invasive orthopedic surgery for the spine, it is often necessary to obtain real-time images of the drilling site through intraoperative CT (or X-ray), and use image-guided computer-aided technology...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/16B25J15/00
Inventor 隋春平赵忆文韩建达吴镇炜高英丽
Owner SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI
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