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CN-224220221-U - Negative pressure suction surgical electric knife

CN224220221UCN 224220221 UCN224220221 UCN 224220221UCN-224220221-U

Abstract

The utility model provides a negative pressure suction operation electrotome, belongs to medical instrument technical field, includes electrotome pole and operation handle, the operation handle hollow shell handle is equipped with electrotome chip and miniature negative pressure pump in its inside, and the outward appearance is equipped with electrotome switch, electric coagulation switch and negative pressure switch, the electrotome pole is hollow pole, and its front end is the solid tool bit of slope, and its tail end is the hollow knife tail of straight cutting off, the rear section and the electrotome chip electricity of electrotome pole are connected and are linked together with miniature negative pressure pump, be equipped with the ceramic membrane on the front section of electrotome pole, be equipped with a plurality of smoke absorption hole on the ceramic membrane of the section position that the electrotome pole is last to be close to solid tool bit and this position, the smoke absorption hole vertically passes the pole wall of ceramic membrane and hollow electrotome pole, and its beneficial effect has increased the function of discharging fume, sets up the smoke absorption hole in the front portion of hollow electrotome pole, can in time with the smog or the tissue fluid that the electrotome produced and be sucked out, can make the operation field of view always clear.

Inventors

  • XIANG HONG
  • CHEN ZHOU

Assignees

  • 重庆市黔江中心医院

Dates

Publication Date
20260512
Application Date
20250402

Claims (6)

  1. 1. The utility model provides a negative pressure suction surgical electric knife, includes electric knife bar (1) and action bars (2), its characterized in that action bars (2) are hollow shell form, the inside electric knife chip (3) and miniature negative pressure pump (4) that are equipped with of hollow shell of action bars (2), be equipped with electric knife switch (5), electric coagulation switch (6) and negative pressure switch (7) on the hollow shell outward appearance of action bars (2), electric knife chip (3) are connected to electric knife switch (5) and electric coagulation switch (6) respectively, negative pressure switch (7) electricity connect miniature negative pressure pump (4), electric knife bar (1) are hollow bars, and its front end is hollow tool bit (8) of slope, and its tail end is hollow tool tail (9) of flat cut-off, the rear section of electric knife bar (1) is arranged in action bars (2) to be connected with electric knife chip (3) electricity, hollow tail (9) and miniature negative pressure switch (4) of electric knife chip (1) rear section tail end are linked together, electric knife bar (1) are equipped with ceramic membrane (10) in the upper portion that is equipped with on the ceramic membrane (10) of electric knife bar (1) and the upper segment is equipped with a plurality of ceramic upper segment (10) and is equipped with the upper ceramic segment on the upper segment (10), the smoke suction hole (11) vertically penetrates through the rod wall of the hollow electric cutter rod (1), the electric cutter chip (3) and the miniature negative pressure pump (4) are connected with a power line (12) and penetrate through the tail of the hollow shell of the operating handle (2) to be connected with the outside, and the miniature negative pressure pump (4) is connected with an exhaust drainage tube (13) and penetrates through the tail of the hollow shell of the operating handle (2) to be connected with the outside.
  2. 2. The negative pressure suction surgical knife according to claim 1, characterized in that the negative pressure switch (7) is a multi-stage regulated negative pressure switch.
  3. 3. The negative pressure suction surgical electric knife according to claim 2, characterized in that the electric knife head is a solid knife head (8) with an inclined shape, and no smoke suction hole (11) is arranged on the knife head.
  4. 4. A negative pressure suction electrosurgical knife according to claim 3, characterized in that the smoking holes (11) are uniformly distributed through the shaft wall of the hollow electrosurgical knife shaft (1) and the ceramic membrane (10).
  5. 5. The negative pressure suction electrosurgical knife according to claim 4, characterized in that a one-way valve is provided in the exhaust drain (13).
  6. 6. The negative pressure suction surgical knife according to claim 5, characterized in that a smoke collecting barrel is further provided, and the exhaust drainage tube (13) is led into the smoke collecting barrel.

Description

Negative pressure suction surgical electric knife Technical Field The utility model belongs to the technical field of medical appliances, and in particular relates to a negative pressure suction surgical electrotome. Background The surgical smoke is a visible mist generated during surgery, and when a doctor uses an electric knife, the surgical smoke is rapidly formed in a short time due to incomplete combustion of protein, fat and other substances of human tissues. The surgical smoke has a plurality of hazards, such as (1) the surgical smoke easily obstructs the vision of doctors, is unfavorable for the accurate operation of the doctors, and affects the surgical progress. (2) The doctor is close to the operation smoke and easily inhales a large amount of operation smoke, and chemical substances and biological materials can spread in the smoke, so that the sight is sometimes obscured, and potential hazards such as nausea, ocular surface discomfort, upper respiratory tract pain and the like can be caused. For this reason, patent document CN 215914867U discloses a smoke discharging electrotome, including casing, smoke discharging piece and electrode tip, the casing and the electrode tip are connected respectively at the both ends of smoke discharging piece, and the smoke discharging piece is equipped with the apopore, and the apopore runs through the smoke discharging piece, and the casing is equipped with third interface, electric wire and control button, and third interface and apopore intercommunication, third interface connection negative pressure device, the apopore are used for absorbing the smog that electrode tip department produced, and the electric wire switch-on power, and medical personnel passes through the control button starter motor. However, the electrotome has three defects, namely 1 that the smoke suction hole is in the front oblique direction of the cutter bar, when the electrotome advances, the smoke suction hole can scratch body tissues and bring unnecessary injury to a patient, 2, the smoke suction hole is concentrated in the front oblique direction of the cutter bar, only smoke at the position can be absorbed, surrounding smoke is inconvenient to absorb, 3, the negative pressure is external, the negative pressure attractive force is too large, the regulation is inconvenient, and the condition that normal organisms are adsorbed and tissues are damaged easily occurs. Disclosure of utility model The technical problem to be solved by the utility model is to provide the negative pressure suction surgical electrotome which can not damage tissues by the smoking holes and can provide proper negative pressure so that an operator can clearly observe the surgical site. In order to solve the technical problems, the technical scheme adopted by the utility model is that the negative pressure suction surgical electric knife comprises an electric knife rod and an operating handle, wherein the operating handle is hollow shell-shaped, an electric knife chip and a miniature negative pressure pump are arranged in a hollow shell of the operating handle, an electric knife switch, an electric coagulation switch and a negative pressure switch are arranged on the outer surface of the hollow shell of the operating handle, the electric knife switch and the electric coagulation switch are respectively and electrically connected with the electric knife chip, and the negative pressure switch is electrically connected with the miniature negative pressure pump; the electric knife rod is a hollow rod, the front end of the electric knife rod is an inclined solid knife head, the tail end of the electric knife rod is a straight cut hollow knife tail, the rear section of the electric knife rod is arranged in the operation handle and is electrically connected with the electric knife chip, the hollow knife tail at the tail end of the rear section of the electric knife rod is communicated with the miniature negative pressure pump, the ceramic membrane is arranged on the outer surface of the front section of the electric knife rod, which is exposed outside the operation section, the solid knife head is not provided with the ceramic membrane, a plurality of smoke sucking holes are arranged on the ceramic membrane at the position of the section of the electric knife rod, which is close to the solid knife head, and the position of the ceramic membrane, the smoke sucking holes vertically penetrate through the ceramic membrane and the rod wall of the hollow electric knife rod, the solid knife head is not provided with the smoke sucking holes, the smoke sucking holes are vertical to the electric knife rod, when the electric knife rod cuts in tissues, the smoke sucking holes can not scrape body tissues, the smoke sucking holes are uniformly distributed on the rod wall of the front hollow electric knife rod, the ceramic membrane penetrates through the ceramic membrane and the ceramic membrane, the smoke sucking holes can not be sucked