A flexible minimally invasive surgical instrument based on natural orifice
A minimally invasive surgery, natural orifice technology, applied in the field of medical devices, can solve the problems of doctor fatigue, difficult to complete complex operations, small working space, etc., to achieve the effect of large operating force, alleviating fatigue, and flexible movements
Active Publication Date: 2022-07-01
JILIN UNIV
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Problems solved by technology
[0003] During the operation, due to the special mapping relationship between the movement of the end of the surgical instrument and the movement of the hand-held part of the instrument, the doctor needs to hold the surgical instrument in a large range of motion, which reduces the flexibility of the end of the instrument to perform surgical actions, and it is also easy to cause fatigue to the doctor , but limited by the size of natural orifice surgical instruments, existing surgical instruments have fewer degrees of freedom at the ends and a small working space, making it difficult to complete complex operations
Method used
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[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0024] An example of the flexible minimally invasive surgical instrument based on the natural orifice is as follows:
[0025] see Figure 1 to Figure 5 As shown in the figure, a flexible minimally invasive surgical instrument based on a natural orifice includes a flexible catheter 1, a connecting block 2, a mounting head 3, a wire hole 4, a transmission rope 5, an opening and closing forceps 6, a spring 7, a limit block 8, Traction r...
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The invention discloses a flexible minimally invasive surgical device based on a natural orifice. The flexible minimally invasive surgical device based on a natural orifice comprises a flexible conduit, the left end of the flexible conduit is rotatably connected with a mounting head through a connecting block, and the The upper and lower ends of the connecting block are fixedly installed with wire holes, the wire holes pass through the transmission rope, the left side of the installation head is rotatably connected with the opening and closing pliers, and the outer side of the opening and closing pliers is fixedly connected with a spring, the The center of the installation head is slidably connected to the limit block. The flexible minimally invasive surgical instrument based on the natural orifice enables the surgical instrument to move with multiple degrees of freedom in the output space, with flexible movements and large operating force, making it more suitable for action. For complex minimally invasive surgery, the end of the instrument can be controlled by swinging and rotating the wrist and pressing the thumb on the pull rod, which does not require extensive movement and reduces the fatigue of the doctor.
Description
technical field [0001] The invention relates to the technical field of medical devices, in particular to a flexible minimally invasive surgical instrument based on a natural orifice. Background technique [0002] Minimally invasive surgery, as the name implies, is surgery with minimal trauma, which refers to the use of modern medical instruments such as laparoscopes and thoracoscopes and related equipment. The advantages of minimally invasive surgery are less trauma, less pain, and faster recovery. During the process, doctors use slender minimally invasive surgical instruments to perform surgical tasks. [0003] During the operation, due to the special mapping relationship between the movement of the end of the surgical instrument and the movement of the hand-held part of the instrument, the doctor needs to hold the surgical instrument to move in a wide range, which reduces the flexibility of the end of the instrument to perform the surgical action, and also easily causes th...
Claims
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IPC IPC(8): A61B34/00A61B17/00
CPCA61B34/70A61B34/74A61B17/00234
Inventor 赵丽苹傅则名贾妍田园杨如琳
Owner JILIN UNIV