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Approximate telecentric fixed-point mechanism for minimally invasive surgery operation

A minimally invasive surgery and telecentric technology, applied in the field of medical devices, can solve the problems of unfavorable minimally invasive surgery, large structural size, difficult control, etc., and achieve the effect of convenient control, large working space and precise transmission ratio

Active Publication Date: 2015-04-22
SUZHOU KANGDUO ROBOT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In minimally invasive surgery, it is often necessary to use various instruments to complete the operation. The telecentric fixed point mechanism is the core mechanism in the minimally invasive surgical instrument device. The existing telecentric fixed point mechanism is based on a parallelogram mechanism. As the main body, there are problems such as large structural size, complex structure, and difficult control, which are not conducive to the implementation of minimally invasive surgery

Method used

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  • Approximate telecentric fixed-point mechanism for minimally invasive surgery operation
  • Approximate telecentric fixed-point mechanism for minimally invasive surgery operation
  • Approximate telecentric fixed-point mechanism for minimally invasive surgery operation

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Embodiment

[0032] Embodiment: The embodiment of the present invention is illustrated by specific specific examples below. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The descriptions "below", "top", "bottom", etc. are defined in the usual sense, e.g., with reference to the definition of the direction of gravity, the direction of gravity is below, the opposite direction is above, similarly above is top Or the top, and what is below is the bottom or the bottom; the description of "first", "second" and "third" mentioned in this embodiment is for the convenience of description, and has nothing to do with the importance of parts, It is not intended to limit the practicable scope of the present invention, and the change or adjustment of the relative relationship shall also be regarded as the practicable scope of the present invention without substantially changing the technical content. ...

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Abstract

The invention discloses an approximate telecentric fixed-point mechanism for minimally invasive surgery operation. The approximate telecentric fixed-point mechanism for minimally invasive surgery operation comprises a first motor, a second motor, a first rod piece, a second rod piece, a third rod piece and a tail-end surgical instrument, wherein the first motor is detachably installed on a first motor installation plate, the second motor is arranged below the first motor through a second motor installation plate, a tooth part is also arranged on the second motor installation plate, one end of the first rod piece is fixedly connected with an output shaft of the second motor, a tooth part is arranged at the other end of the first rod piece, one end of the second rod piece is connected with the first rod piece in a pivoting mode, one end of the third rod piece is connected with the second rod piece in a pivoting mode, a convex rib is fixedly arranged on the third rod piece and is located in the middle of the third rod piece, and the tail-end surgical instrument is arranged on the third rod piece in a sliding mode through the convex rib. According to the approximate telecentric fixed-point mechanism for minimally invasive surgery operation, teleentric fixed-point movement of the tail-end surgical instrument can be achieved approximately, the structure is compact, the working space is large during surgical operation, control is convenient, and the actual requirement of minimally invasive surgery can be well met.

Description

Technical field: [0001] The invention relates to the technical field of medical instruments, and more specifically relates to an approximate telecentric fixed point mechanism. Background technique: [0002] Minimally invasive surgery is performed using modern medical instruments and related equipment. In minimally invasive surgery, it is often necessary to use various instruments to complete the operation. The telecentric fixed point mechanism is the core mechanism in the minimally invasive surgical instrument device. The existing telecentric fixed point mechanism is based on a parallelogram mechanism. As the main body, there are problems such as large structural size, complex structure, and difficult control, which are not conducive to the implementation of minimally invasive surgery. Invention content: [0003] The purpose of the present invention is to address the deficiencies of the prior art, and to provide an approximate telecentric fixed point mechanism for minimal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/00
CPCA61B17/00234A61B2017/00982
Inventor 杜志江闫志远孙玉宁孙立宁
Owner SUZHOU KANGDUO ROBOT
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