Bone-operating ultrasonic knife with expanding function

An ultrasonic knife and scalpel technology, which is applied to the parts of surgical instruments, surgery, medical science, etc. question

Inactive Publication Date: 2006-03-15
张毓笠 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, conventional instruments used for minimally invasive skeletal surgery, such as rongeurs or high-speed drills, have no hemostatic function, and the bleeding during the operation will seriously affect the endoscopic field of view; When a high-speed grinding drill (air drill or electric drill) grinds bone tissue, the grinding head rotates at high speed (up to 100,000 rpm). When the high-speed grinding head rotates at

Method used

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  • Bone-operating ultrasonic knife with expanding function
  • Bone-operating ultrasonic knife with expanding function
  • Bone-operating ultrasonic knife with expanding function

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Embodiment Construction

[0038] Embodiments of the invention will now be described in detail, examples of which are illustrated in the accompanying drawings, in which like reference numerals refer to like parts.

[0039] Fig. 14 is a schematic diagram of a typical minimally invasive bone surgery performed with an endoscope and an ultrasonic scalpel. An extended ultrasonic cutter 25 is installed on the ultrasonic handle 24 in the figure, and the ultrasonic cutter head 26 can emit ultrasonic energy to excise the bone tissue 27 in the patient's body under the guidance of an endoscope 29 . Before the ultrasonic scalpel 24 and the endoscope 29 enter the patient's body, a less surgical channel of an incision will be established through the patient's body surface 28 through the trocar, and a stainless steel outer sheath 30 is placed in the channel to facilitate the operation of the ultrasonic scalpel and the endoscope.

[0040] Fig. 2 is a schematic diagram of a conventional surgical knife with a length of h...

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Abstract

An ultrasonic knife with extended function for the bone operation is composed of a group of handles (including ultrasonic handle, the ultrasonic handle with bite mechanism and the hollow ultrasonic handle), a group of cutting tools (including elongated ultrasonic cutting tool, the curved cutting tool and the spherical or cylindrical grinding head), and a main body. Its extended functions are micro-wound bone operation by use of endoscope, staltic function, longitudinal complex vibration for high cutting efficiency, biting bone for removing unnecessary bone, pouring liquid, and removing the residual bone bits.

Description

technical field [0001] The present invention relates to an ultrasonic surgical scalpel, more specifically, to an ultrasonic surgical scalpel with expanded functions for bone surgery. Background technique [0002] With the rapid development of modern medicine, ultrasonic surgical instruments have been more and more used in clinical surgical treatment. It applies ultrasonic energy to surgical operations. Its outstanding features are fine cutting, safety, tissue selectivity and low temperature hemostasis. etc., have greatly enriched the means of surgical operations, improved the quality of surgical operations, and alleviated the pain of patients to a certain extent. Fig. 1 is a system working principle diagram of a conventional ultrasonic cutting hemostat. The system is mainly composed of a host, a handle, a knife and a foot switch. The host mainly includes an ultrasonic signal generator, a power amplifier and an embedded computer. The low-power ultrasonic electrical signal g...

Claims

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Application Information

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IPC IPC(8): A61B17/32A61B18/00
Inventor 史文勇罗晓宁周兆英张毓笠
Owner 张毓笠
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