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Multi-freedom micro-mechanical arm for minimally invasive operation

A technology of minimally invasive surgery and micro-manipulators, applied in manipulators, surgical instruments, surgery, etc., can solve problems such as throat surgery that cannot be satisfied, and achieve the effects of reliable transmission, simplified mechanism, and increased reliability

Active Publication Date: 2009-04-22
SHANDONG WEIGAO SURGICAL ROBOT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Domestic self-developed medical robots can only perform auxiliary tasks such as internal detection, positioning, and thread clamping in surgical operations, and cannot meet the needs of laryngeal surgery.

Method used

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  • Multi-freedom micro-mechanical arm for minimally invasive operation
  • Multi-freedom micro-mechanical arm for minimally invasive operation
  • Multi-freedom micro-mechanical arm for minimally invasive operation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0045] The multi-degree-of-freedom micro-manipulator for minimally invasive surgery of the present invention will be described in detail below with reference to the embodiments.

[0046] Such as figure 1 , figure 2 , image 3 As shown, the multi-degree-of-freedom micromanipulator for minimally invasive surgery of the present invention includes a base A, an upper traction mechanism B of the end tool transmission part, a lower traction mechanism C of the end tool transmission part, and a rotation mechanism D of the end tool transmission part. , The actuator E of the end tool and the transmission box body 1. In the base A, three sets of servo motors 10 are connected to the three lower clutch discs 7 through three couplings 9 respectively, and the three lower clutch discs 7 pass through three The rolling bearing 8 is fixed on the motor frame 3; the transmission box body 1 is arranged on the upper surface of the motor frame 3; the upper traction mechanism B, the lower traction mechan...

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Abstract

The invention relates to a multi-freedom micro mechanical hand used in micro-hurt surgery. The invention comprises a base, an upper drawing device with terminal tool transmitter, a lower drawing device, a self-rotation device and an executor of terminal tool, and a transmitter box. The servo motor of base via the coupler is connected with the lower clutch disc fixed on the motor frame via rolling bearing; the transmitter box is arranged on the upper face of motor frame; the upper and lower drawing devices and the self-rotation device are in the transmitter box, while the upper ends are fixed on the top face of transmitter box and lower ends are through the bottom of box to connect the lower clutch disc, and the front ends via their own upper drawing sheath, lower drawing sheath and self-rotation muffle are connected from up to down; the lower end of self-rotation muffle is connected with the executor of terminal tool. The invention has bend freedom, therefore, the terminal tool can be switched freely, with simple structure, high bearing ability and reliable transmission of terminal tool.

Description

Technical field [0001] The invention relates to a medical device for surgery. In particular, it relates to a convenient and flexible multi-degree-of-freedom micro-manipulator for minimally invasive surgery. Background technique [0002] Minimally invasive surgery is the use of advanced surgical instruments and equipment to complete the operation with minimal trauma, achieving the same curative effect as traditional open surgery. Among them, the surgical tools for minimally invasive surgery of the larynx generally need to be operated under a laryngoscope through the oral cavity and the laryngeal cavity, and the operating space is relatively small. Therefore, this type of surgery is a difficult point in the minimally invasive surgery. At present, this type of operation cannot deal with complicated laryngeal operations such as vocal cord suture and subvocal cord cyst removal. For this type of operation, the larynx has to be opened. Therefore, there is an urgent need for a micromanip...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B17/94A61B17/00B25J3/04
Inventor 王树新丁杰男朱峰梁修滢罗海风
Owner SHANDONG WEIGAO SURGICAL ROBOT CO LTD
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