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Hybrid driven flexible minimally invasive surgery operating arm and preparation method

A minimally invasive surgery, hybrid drive technology, applied in the direction of surgical robots, etc., can solve the problems of human injury, rigid mechanical joint stiffness, bacteria and dirt hiding areas, etc., to avoid human infection, reduce pain, and good biocompatibility sexual effect

Inactive Publication Date: 2017-10-20
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the many gaps formed by excessive mechanical structure assembly, it is easy to become a hiding area for bacteria and dirt, and it is difficult to completely disinfect even with sterilization measures
At the same time, the stiffness of rigid mechanical joints is very different from that of human tissue, which is easy to cause damage to the human body

Method used

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  • Hybrid driven flexible minimally invasive surgery operating arm and preparation method
  • Hybrid driven flexible minimally invasive surgery operating arm and preparation method
  • Hybrid driven flexible minimally invasive surgery operating arm and preparation method

Examples

Experimental program
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Embodiment Construction

[0032] refer to Figure 1 ~ Figure 4 , the flexible minimally invasive operation arm of the hybrid drive of the present invention comprises a total of 4 types of bases, all of which have channels that can provide tissue sampling channels and channels for passing cold and hot gases (the role of supporting the structure of the operating arm). The sampling hole 5 is in communication with the silicone rubber tube 8, and the support gas hole 6 is in communication with the cavity of the DE cylinder driver unit in this section. The two gas paths are relatively independent. The base structures are all manufactured by 3D printing.

[0033] refer to Figure 5 , The bases can be connected and assembled through the silicone rubber tube 8 to form the internal skeleton structure of the surgical operation arm, which plays a role of circumferential support in the whole system. Among them, the silicone rubber tube 8 is formed by injection molding, and the top base 1 is connected to the middle ...

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Abstract

The invention discloses a hybrid-driven flexible minimally invasive surgery operation arm and a making method. The hybrid-driven flexible minimally invasive surgery operation arm is characterized in that (1) nylon fibers and a DE material are compounded to realize anisotropic modification of a soft material to enable a single-section DE driver to realize multiple-degree-of-freedom bending deformation under gas-electricity hybrid drive; (2) complex snake-shaped deformation can be realized when multiple single-section DE drivers are serially connected and combined; and (3) a rigid adjusting function of the operation arm is realized by combining the DE drivers with a fiber Jamming rigid adjusting jacket.

Description

technical field [0001] The invention relates to a minimally invasive surgical instrument and its manufacture, in particular to a minimally invasive surgical instrument manufactured by using an intelligent material (dielectric elastomer DE) to prepare a driver unit and combining it with an assembly method of a stiffness-adjusting jacket designed according to the Jamming (blocking) principle. Surgical instruments. Background technique [0002] With the development of science and technology and people's increasing requirements for the quality of medical services, minimally invasive surgery as a new mode of clinical treatment is gradually being widely used. Compared with traditional open surgery, minimally invasive surgery has the advantages of small wound, less bleeding, less pain, and faster postoperative recovery, and has become the mainstream method of medical surgery. In the future, minimally invasive surgery will develop towards a natural orifice and fewer wounds. This de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B34/30
Inventor 陈花玲刘磊李卓远罗盟卞长生
Owner XI AN JIAOTONG UNIV
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