Flexible bendable minimally invasive tungsten needle electrode scalpel and production method thereof

A scalpel and bending technology, applied in flexible bendable minimally invasive tungsten needle electrode scalpel and its production field, can solve the problems of inability to cut tissue, excessive blood loss, not durable, etc., and achieve the effect of less trauma and less blood loss

Active Publication Date: 2019-02-19
HUBEI UNIV OF EDUCATION
View PDF6 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current high-frequency electric knife has a wide and blunt blade, low current concentration, large trauma to the body tissue, and more blood loss; it is easy to ablate and is not durable in long-term large-scale operations; at the same time, the needle cannot be flexibly bent , can not go deep into the nasal cavity and throat for tissue cutting

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Flexible bendable minimally invasive tungsten needle electrode scalpel and production method thereof
  • Flexible bendable minimally invasive tungsten needle electrode scalpel and production method thereof
  • Flexible bendable minimally invasive tungsten needle electrode scalpel and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The present invention is described in detail below:

[0022] figure 1 Among them, a flexible bendable minimally invasive tungsten needle electrode scalpel and its production method, the flexible bendable minimally invasive tungsten needle electrode scalpel includes a needle handle, an insulating layer arranged on the needle handle, a bendable needle rod , the needle connected to the tip of the needle bar; the production steps are as follows:

[0023] 1. Preparation of raw materials for flexible bendable minimally invasive tungsten needle electrode scalpel:

[0024] 1) Preparation of needle handle and needle head raw materials: Mix praseodymium nitrate and ammonium paratungstate at a molar ratio of 1:99, and after drying, undergo hydrogen reduction twice to obtain a uniform mixed powder with a particle size of 40-50 μm ( Contains 98% W and 2% praseodymium oxide Pr by weight 6 o ll ). Fill the prepared powder into a cylindrical mold and compact it into a shape, and s...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
particle diameteraaaaaaaaaa
wavelengthaaaaaaaaaa
Login to view more

Abstract

The invention discloses a flexible bending minimally invasive tungsten needle electrode scalpel and a production method thereof. The cutter head of the flexible bending minimally invasive tungsten needle electrode scalpel is in a needle tip shape; an electrode diameter is of 1.5 to 2 mm; and the minimum needle tip diameter Phi is less than 20 [mu]m; the bleeding volume of an 8-cm incision surgeryof human body is less than 0.1 g; thermal burning loss is less than 2 g; knife edge adhesion is less than 0.5 g; the burning loss rate after a burning test at the current of 50 A for 20 min is less than 5 mg; and flexible bending of a needle bar is from 0 to 180 degrees. The flexible bendable minimally invasive tungsten needle electrode scalpel can realize fine cutting, less trauma, less blood loss, ablation resistance and durability, thereby providing a safe and reliable surgery electrode material for manufacturing high-end minimally invasive surgical instruments.

Description

technical field [0001] The invention relates to a minimally invasive tungsten needle electrode scalpel and a production method thereof, more particularly, to a flexible bendable minimally invasive tungsten needle electrode scalpel and a production method thereof. Background technique [0002] Due to the characteristics of the operation of the scalpel, the traditional surgery also causes a large trauma to the patient during the treatment, and has the disadvantages of large wound, heavy bleeding, long operation time, and slow recovery. Therefore, the application of minimally invasive surgical instruments gave birth to the development of "minimally invasive surgery". Compared with traditional surgery, minimally invasive surgery causes only minor trauma to patients and leaves only tiny scars after surgery. Compared with traditional surgery, it has the advantages of small wounds, less bleeding, shorter operation time, less postoperative pain, and faster recovery. High-frequency ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B22F9/22C22C1/05C22C1/10C22C1/04C22F1/18C22F1/08
Inventor 陶军晖汪川惠陈欣琦张琳戴伟王都雷瑶潘伟娟喻学昊段俊慧李启贵
Owner HUBEI UNIV OF EDUCATION
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap