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CN-121987331-A - Medical treatment point discharge electrode sword

CN121987331ACN 121987331 ACN121987331 ACN 121987331ACN-121987331-A

Abstract

The invention discloses a medical tip discharge electrode knife, which belongs to the technical field of electrode knives and comprises the following components: an operating handle comprising a cutter head; the replacing mechanism comprises a clamping ring arranged at one end of the operating handle and is used for locking the replaced tool bit; the replacing mechanism is also provided with a cutter head assembly which comprises a limiting block fixedly arranged on the cutter head and used for limiting the cutter head, through the arrangement of the replacement mechanism consisting of the outer ring, the clamping ring, the fixed spring and the like, the outer ring with anti-skid lines is only required to be screwed when the cutter head is replaced, and the clamping ring unlocking groove is aligned with the cutter head limiting block, so that the disassembly and assembly can be completed; after the outer ring is loosened, the fixing spring can drive the snap ring to reset, the stable locking of the tool bit is realized through the dislocation of the unlocking groove and the limiting block, tungsten alloy tool bits (such as needle-shaped, blade-shaped, U-shaped needle or other annular parts and the like) with different forms can be quickly replaced to adapt to different operation demands, the loosening of the tool bit in operation can be avoided, and the safety and fluency of operation are ensured.

Inventors

  • FANG BIN
  • ZHAO JING

Assignees

  • 山东峰源医用材料有限公司

Dates

Publication Date
20260508
Application Date
20260323

Claims (10)

  1. 1. A medical tip discharge electrode knife is characterized by comprising: an operating handle (1) comprising a cutter head (206); The replacing mechanism comprises a clamping ring (201) arranged at one end of the operating handle (1) and used for locking a replaced tool bit (206), and a tool bit assembly, wherein the replacing mechanism comprises a limiting block (207) fixedly arranged on the tool bit (206) and used for limiting the tool bit (206), and the limiting block (207) is abutted against one side of the clamping ring (201); the conductive mechanism comprises a conductive post (301) arranged at one end of the tool bit (206) for delivering current to the tool bit (206).
  2. 2. The medical tip discharge electrode blade according to claim 1, wherein said replacement mechanism further comprises: The fixed block (202) is fixedly connected to one end of the operating handle (1) and used for supporting the tool bit (206), and the clamping ring (201) is rotationally connected in the fixed block (202); The outer ring (203) is fixedly arranged on the clamping ring (201) through a cylinder, and the outer ring (203) is rotationally connected to the outer wall of the fixed block (202); the sliding groove (204) is formed and arranged on the fixed block (202), and the cylinder on the outer ring (203) is connected in the sliding groove (204) in a sliding way; And one end of the fixed spring (205) is fixedly connected with the inner wall of the fixed block (202), and the other end of the fixed spring is fixedly connected with one end of the clamping ring (201).
  3. 3. The medical tip discharge electrode cutter as claimed in claim 2, wherein the outer wall of the outer ring (203) is provided with anti-slip lines.
  4. 4. The medical tip discharge electrode blade as recited in claim 3, wherein said blade assembly further comprises: the limiting groove (208) is formed in the inner wall of the fixed block (202) and used for limiting the cutter head (206), and the limiting block (207) is slidably connected in the limiting groove (208); unlocking groove (209) is opened and is arranged on snap ring (201) for locking tool bit (206).
  5. 5. The medical tip discharge electrode knife as claimed in claim 4, wherein two groups of unlocking grooves (209) are arranged, and two groups of limiting blocks (207) are arranged.
  6. 6. The medical tip discharge electrode blade as recited in claim 5, wherein said conductive mechanism further comprises: A conductive sheet (302) for transmitting current to the conductive column (301), and the conductive column (301) is abutted to one side of the conductive sheet (302); The accommodating groove (303) is arranged in the fixed block (202) and is used for accommodating the conductive sheet (302), and the conductive sheet (302) is connected in the accommodating groove (303) in a sliding way; And one end of the reset spring (304) is fixedly connected with one side of the conducting strip (302), and the other end of the reset spring is fixedly connected with the fixed block (202).
  7. 7. A medical tip discharge electrode blade according to claim 6, wherein said return spring (304) is disposed within a receiving groove (303).
  8. 8. The medical tip discharge electrode blade according to claim 7, wherein the conductive column (301) is made of copper, and the conductive sheet (302) is made of copper.
  9. 9. The medical tip discharge electrode knife of claim 8, wherein the operating handle (1) is provided with a switch key (5), the switch key (5) is electrically connected with a connecting wire (6), one end of the connecting wire (6) is electrically connected with a plug (7), the switch key (5) is electrically connected with the conducting strip (302) through an electric wire, and the connecting wire (6) penetrates through the operating handle (1).
  10. 10. The medical tip discharge electrode cutter as recited in claim 9, wherein the cutter head (206) is made of tungsten alloy.

Description

Medical treatment point discharge electrode sword Technical Field The invention belongs to the technical field of electrode cutters, and particularly relates to a medical tip discharge electrode cutter. Background In the context of rapid development of modern medical technology, surgery is continuously taking place towards minimally invasive, precise and efficient directions, and increasingly stringent requirements are placed on the performance, safety and suitability of surgical instruments. The high-frequency electrosurgical instrument is used as a core tool for realizing tissue cutting and coagulation in surgical operation, and the technical iteration directly influences the overall quality of the operation and the postoperative recovery effect of a patient. The medical tip discharge electrode knife can form a strong electric field in a very small range by virtue of the high current density characteristic of the tip of the tungsten alloy knife head and generate a tip discharge effect, electric energy is converted into local high temperature of 200-1000 ℃, accurate separation of pathological tissues and rapid closure of blood vessels are realized, and the thermal damage range is limited to a region of more than ten microns around the tip, so that the medical tip discharge electrode knife has the unique advantage of occupying an irreplaceable position in the fields of neurosurgery, ophthalmology, otorhinolaryngology, plastic surgery and other fine operations. The traditional medical treatment point discharge electrode sword is mostly integral type structure, and the tool bit form is fixed, can't switch in a flexible way according to the operation progress, leads to a complicated operation often to need be equipped with the electrode sword of many different specifications, has not only increased the purchase and the management cost of medical supplies by a wide margin, has still prolonged operation duration because of the frequent change apparatus of art, has promoted the cross infection risk in the apparatus handing-over process simultaneously. Disclosure of Invention The invention aims to provide a medical tip discharge electrode knife which solves the problems in the background technology. In order to achieve the purpose, the invention provides the following technical scheme that the medical tip discharge electrode knife comprises: An operating handle comprising a cutter head; The tool bit assembly is fixedly arranged on the tool bit, the tool bit assembly comprises a limiting block which is fixedly arranged on the tool bit and is used for limiting the tool bit, and the limiting block is abutted to one side of the clamping ring; the conductive mechanism comprises a conductive column arranged at one end of the tool bit and used for conveying current to the tool bit. As a further preferable aspect of the present invention, the replacement mechanism further includes: the fixed block is fixedly arranged at one end of the operating handle and used for supporting the tool bit, and the clamping ring is rotationally connected in the fixed block; the outer ring is fixedly arranged on the clamping ring through a cylinder and is rotationally connected to the outer wall of the fixed block; the sliding groove is arranged on the fixed block, and the cylinder on the outer ring is connected in the sliding groove in a sliding way; One end of the fixed spring is fixedly connected with the inner wall of the fixed block, and the other end of the fixed spring is fixedly connected with one end of the clamping ring. As a further preferable mode of the technical scheme, the outer wall of the outer ring is provided with anti-skid lines. As a further preferred aspect of the present invention, the tool bit assembly further includes: The limiting groove is formed in the inner wall of the fixed block and used for limiting the cutter head, and the limiting block is slidably connected in the limiting groove; unlocking groove, offer and arrange on the snap ring for lock the tool bit. As a further preferable mode of the technical scheme, the unlocking grooves are provided with two groups, and the limiting blocks are provided with two groups. As a further preferable aspect of the present invention, the conductive mechanism further includes: the conductive sheet is used for transmitting current to the conductive column, and the conductive column is abutted to one side of the conductive sheet; the accommodating groove is arranged in the fixed block and used for accommodating the conductive sheet, and the conductive sheet is connected in the accommodating groove in a sliding manner; One end of the reset spring is fixedly connected with one side of the conducting strip, and the other end of the reset spring is fixedly connected with the fixed block. As a further preferred aspect of the present invention, the return spring is disposed in the receiving groove. As a further preferable mode of the technical scheme, the conductive column is made