CN221431187U

CN221431187U - Surgical electric knife capable of exhausting smoke

Info

Publication number: CN221431187U
Application number: CN202322222490.7U
Authority: CN
Inventors: 欧阳元明; 吕耀炜; 童元浩; 钱运; 王忻宇; 王音
Original assignee: Shanghai Sixth Peoples Hospital
Current assignee: Shanghai Sixth Peoples Hospital
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-07-30
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a smoke-exhausting electric surgical knife, which belongs to the technical field of surgical instruments and comprises an electric surgical knife body, wherein the electric surgical knife body comprises a knife head part, an insulating sleeve part and a knife handle part from near to far, the diameter of the knife head part is smaller than that of the insulating sleeve part, the diameter of the insulating sleeve part is smaller than that of the knife handle part, the knife handle part is provided with an operation button, the electric surgical knife is provided with a smoke exhaust pipe and a negative pressure device, one end side of the smoke exhaust pipe is fixedly arranged on the outer wall of the insulating sleeve part, the smoke exhaust pipe is provided with a smoke exhaust hole, and the negative pressure device is communicated with the other end of the smoke exhaust pipe. The surgical electric knife capable of exhausting smoke can exhaust the surgical smoke out of a surgical position, so that the surgical smoke is prevented from obstructing the vision of a doctor, and the surgical smoke is prevented from being inhaled by the doctor to harm the health of the doctor.

Description

Surgical electric knife capable of exhausting smoke

Technical Field

The utility model belongs to the technical field of surgical instruments, and particularly relates to a smoke-exhausting 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. Surgical smoke presents a number of hazards, such as: (1) The surgical smoke easily obstructs the vision of doctors, is unfavorable for the accurate operation of 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. At present, no smoke evacuation measures are adopted when doctors use electric knife operation, so that improvement of operation equipment is needed.

Disclosure of Invention

The utility model provides a smoke-exhausting surgical electrotome which can exhaust surgical smoke out of a surgical position, avoid the surgical smoke from obstructing the vision of a doctor and prevent the surgical smoke from being inhaled by the doctor to harm the health of the doctor.

In order to achieve the above object, the technical scheme of the utility model provides a surgical electric knife capable of exhausting smoke, which comprises an electric knife body, wherein the electric knife body comprises a knife head part, an insulating sleeve part and a knife handle part from near to far, the diameter of the knife head part is smaller than that of the insulating sleeve part, the diameter of the insulating sleeve part is smaller than that of the knife handle part, the knife handle part is provided with an operation button, and the surgical electric knife further comprises:

one end side of the smoke exhaust pipe is fixedly arranged on the outer wall of the insulation sleeve part, and the smoke exhaust pipe is provided with a smoke exhaust hole;

and the negative pressure device is communicated with the other end of the smoke exhaust pipe.

As a further improvement of the present utility model, the smoke exhaust pipe includes:

The first tube, its proximal end is the shutoff end, first tube cross section adopts semi-circular, first tube includes a plane and an outwards convex curved surface, the plane outside of first tube is equipped with the adhesive linkage, the adhesive linkage outside is equipped with from the ply of paper, first tube passes through the adhesive linkage bonds in insulating cover portion outer wall, the first tube is including the first tube of a pair of outer side of insulating cover portion, the second tube of outer side of insulating cover portion is including the second tube, the second tube of outer side of insulating cover portion is equipped with the adhesive linkage, the second tube of outer side of insulating cover portion is including the second tube, the first tube of outer side is including the second tube of outer side of insulating cover portion, the second tube is including the second tube, the second tube is including the second tube is used to the outer wall, and is used to the

The curved surface of the first pipe is provided with a plurality of smoke exhaust holes;

The connecting piece comprises a connecting female piece and a connecting sub piece which are connected through threads, and the other end of the first pipe is in butt joint with the connecting female piece;

And two ends of the second pipe are respectively butted with the connecting sub-piece and the negative pressure device.

As a further improvement of the present utility model, a plurality of the smoke exhaust holes are uniformly distributed on the curved surface of the first pipe.

As a further development of the utility model, the first tube is arranged on the outer wall of the insulating sleeve part in the direction of a spiral line.

As a further improvement of the utility model, a limit sleeve is arranged at the proximal end side of the insulating sleeve part, a limit groove is arranged at one side surface of the limit sleeve, and the diameter of the limit groove is gradually reduced from outside to inside;

The blocking end of the first pipe is adaptive to the shape of the limiting groove, and the blocking end of the first pipe is gradually reduced from far to near.

As a further improvement of the utility model, an outer wall protruding outwards in the length direction of the shank is arranged on the outer side of at least one side wall of the shank, and the outer wall and the side wall enclose a through hole for passing through the second pipe.

As a further improvement of the utility model, a filter is arranged in the middle of the second pipe;

The second tube includes:

A third pipe, two ends of which are respectively butted with the connector and the air inlet of the filter;

And the two ends of the fourth pipe are respectively butted with the air outlet of the filter and the negative pressure device.

As a further improvement of the utility model, the head part adopts a tungsten needle.

The embodiment of the utility model provides a surgical electrotome capable of exhausting smoke, wherein one end side of a smoke exhaust pipe is fixedly arranged on the outer wall of an insulating sleeve part, and the other end of the smoke exhaust pipe is provided with a negative pressure device, so that when the negative pressure device exhausts air, surgical smoke generated by cutting tissues of a cutter head part can be sucked into the smoke exhaust pipe through a smoke exhaust hole of the smoke exhaust pipe in a short distance, the surgical smoke is prevented from obstructing the vision of a doctor, the smooth operation is facilitated, meanwhile, the surgical smoke is prevented from being sucked by the doctor, and the harm to the doctor is reduced.

Drawings

Fig. 1 is a schematic structural view of a smoke-dischargeable electric surgical knife according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a first tube in a smoke dischargeable electric surgical knife according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 1;

Fig. 4 is a perspective view of a smoke dischargeable electric scalpel without a filter, a fourth tube and a negative pressure device according to an embodiment of the present utility model.

Wherein: 1. an electrotome body; 11. a cutter head part; 12. an insulating sleeve portion; 121. a limit sleeve; 122. a limit groove; 13. a knife handle; 131. operating a button; 132. the outer wall of the shank portion; 133. a through hole; 2. a smoke exhaust pipe; 21. a first tube; 211. a smoke vent; 212. an adhesive layer; 213. a release paper layer; 22. a connecting piece; 221. connecting a parent piece; 222. a connector piece; 23. a second tube; 231. a third tube; 232. a fourth pipe; 3. a negative pressure device; 4. and (3) a filter.

Detailed Description

The present utility model will now be described in detail with reference to the drawings and examples, wherein the examples are intended to be illustrative of only some, but not all, of the examples. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, an embodiment of the present utility model provides a smoke-dischargeable electric surgical knife, which comprises an electric knife body 1, wherein the electric knife body 1 comprises a knife head 11, an insulating sleeve 12 and a knife handle 13 from near to far, the diameter of the knife head 11 is smaller than that of the insulating sleeve 12, the diameter of the insulating sleeve 12 is smaller than that of the knife handle 13, and the knife handle 13 is provided with an operation button 131. The surgical electric knife further comprises a smoke exhaust pipe 2 and a negative pressure device 3, one end side of the smoke exhaust pipe 2 is fixedly arranged on the outer wall of the insulation sleeve part, and the smoke exhaust pipe 2 is provided with a smoke exhaust hole 211; the negative pressure device 3 is communicated with the other end of the smoke exhaust pipe 2. The negative pressure device 3 may be an air pump capable of generating negative pressure, such as an air pump, a dual-purpose air pump for pumping, a sampling air pump, etc. When the negative pressure device 3 is used for exhausting, the smoke generated by the tissue cutting of the cutter head 11 can be sucked into the smoke exhaust pipe 2 through the smoke exhaust hole 211 of the smoke exhaust pipe 2, so that the operation smoke is prevented from obstructing the vision of a doctor, the smooth operation is facilitated, the operation smoke is prevented from being sucked by the doctor, and the harm to the doctor is reduced.

As shown in fig. 1, 4, in some embodiments, the smoke evacuation tube 2 includes a first tube 21, a connector 22, and a second tube 23. The proximal end of the first tube 21 is a plugging end, the cross section of the first tube 21 is semicircular, the first tube 21 comprises a plane and an outwards protruding curved surface, an adhesive layer 212 is arranged on the outer side of the plane of the first tube 21, a release paper layer 213 is arranged on the outer side of the adhesive layer 212, after the release paper layer 213 is torn off, the first tube 21 can be stably adhered to the outer wall of the insulating sleeve part 12 through the adhesive layer 212, the curved surface of the first tube 21 is provided with a plurality of smoke discharging holes 211, and the first tube 21 can be set into different models according to different adjacent smoke discharging hole 211 intervals so as to be suitable for different smoke discharging requirements. The connection member 22 includes a connection female member 221 and a connection male member 222, the connection female member 221 and the connection male member 222 being provided with external threads and internal threads, respectively, and being connected by threads, the other end of the first tube 21 being butt-jointed with the connection female member 221. The two ends of the second pipe 23 are respectively butted with the connecting sub-piece 222 and the negative pressure device 3. The first tube 21 is detachably connected with the second tube 23 through the connecting piece 22, so that the first tube 21 or the second tube 23 with different lengths can be selected according to actual conditions, the first tube 21 or the second tube 23 can be conveniently installed and replaced, and the operation steps are simplified.

As shown in fig. 1, 3 and 4, it is preferable that a plurality of smoke discharge holes 211 are uniformly distributed on the curved surface of the first pipe 21, and smoke is uniformly sucked from each smoke discharge hole 211 into the first pipe 21.

As shown in fig. 1 and 4, preferably, the first tube 21 is disposed on the outer wall of the insulating sleeve portion 12 along the spiral line direction, so that the first tube 21 can be conveniently and uniformly adhered on the outer wall of the insulating sleeve portion 12, the smoke discharge holes 211 are uniformly distributed on the outer side of the insulating sleeve portion 12, the distribution range of the smoke discharge holes 211 is enlarged, and the use steps are simplified.

As shown in fig. 3, in some embodiments, a stop collar 121 is provided on the proximal side of the insulating collar portion 12, a stop groove 122 is provided on one side of the stop collar 121, and the stop groove 122 gradually decreases in diameter from outside to inside. The blocking end of the first tube 21 is adapted to the shape of the limiting groove 122, and the diameter of the blocking end of the first tube 21 gradually decreases from far to near. The plugging end of the first tube 21 can be inserted and adhered and fixed in the limit groove 122 of the limit sleeve 121, so that the first tube can be prevented from tilting and falling off.

As shown in fig. 1 and 4, in some embodiments, at least one side wall of the handle portion 13 is provided with an outer wall 132 protruding outwards along the length direction of the handle portion 13, and the outer wall 132 and the side wall enclose a through hole 133 for passing through the second tube 23, so that the proximal end side of the second tube 23 is placed in the through hole 133, preventing the second tube 23 from interfering with the vision of a doctor, and simultaneously preventing the doctor from applying pressure to the second tube 23 when holding the handle portion 13, so as to reduce or block the discharge channel of surgical smoke.

Further, as shown in fig. 1, a filter 4 is provided in the middle of the second tube 23. The second pipe 23 includes a third pipe 231 and a fourth pipe 232, both ends of the third pipe 231 are respectively abutted against the connector sub 222 and the air inlet of the filter 4, and both ends of the fourth pipe 232 are respectively abutted against the air outlet of the filter 4 and the negative pressure device 3. Among these, the filter 4 may be a smoke filter product such as an activated carbon filter, a HEPA filter, etc. which is currently commercially available. The gas sucked by the first pipe 21 is filtered by the filter 4 and then enters the negative pressure device 3 to be discharged to the operating room, so that the operation smoke can be further prevented from accumulating in the operating room, and hidden danger is brought to health of medical staff and patients.

Preferably, the cutter head 11 is a tungsten needle. The current electric knife has a large width, and repeatedly cuts tissues during cutting, so that more smoke is generated. The cutter head 11 of the electric scalpel adopts a thinner tungsten needle, has smaller contact area with tissues, can reduce repeated cutting and reduce the smoke quantity generated by cutting.

When the electric scalpel capable of exhausting smoke provided by the embodiment of the utility model is installed, the release paper layer 213 of the first tube 21 can be torn off, the plugging end of the first tube 21 is inserted into and adhered and fixed in the limiting groove 122 of the limiting sleeve 121, the first tube 21 is adhered to the outer wall of the insulating sleeve part 12 along the spiral line direction, then one end of the third tube 231 and one end of the fourth tube 232 of the second tube 23 are respectively provided with the air inlet and the air outlet of the filter 4, the other end of the third tube 231 provided with the connecting sub-piece 222 passes through the through hole 133 of the cutter handle part 13, the connecting sub-piece 222 is connected with the connecting female piece 221 of the first tube 21 in a threaded manner, the other end of the fourth tube 232 is connected with the negative pressure device 3, and then the operation can be performed.

The "far" and "near" are used as references of the patient, and the "far" is a direction away from the patient, and the "near" is a direction close to the patient.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a surgical electrotome that can discharge fume, includes the electrotome body, and the electrotome body is from near to far including tool bit portion, insulating cover portion and handle of a knife portion, and tool bit portion diameter is less than insulating cover portion diameter, and insulating cover portion diameter is less than handle of a knife portion diameter, and handle of a knife portion is equipped with operating button, its characterized in that, surgical electrotome still includes:

2. The smoke dischargeable surgical knife according to claim 1, wherein the smoke discharge tube comprises:

The device comprises a first tube, a second tube, a third tube, a fourth tube, a fifth tube and a sixth tube, wherein the proximal end of the first tube is a plugging end, the cross section of the first tube is semicircular, the first tube comprises a plane and a curved surface protruding outwards, an adhesive layer is arranged on the outer side of the plane of the first tube, a release paper layer is arranged on the outer side of the adhesive layer, the first tube is adhered to the outer wall of the insulating sleeve part through the adhesive layer, and the curved surface of the first tube is provided with a plurality of smoke exhaust holes;

3. The smoke dischargeable surgical knife according to claim 2, wherein a plurality of the smoke discharging holes are uniformly distributed on the curved surface of the first tube.

4. The smoke dischargeable surgical knife according to claim 2, wherein the first tube is disposed on the outer wall of the insulating sheath portion in a spiral line direction.

5. The smoke-dischargeable electric surgical knife according to claim 2, wherein a limit sleeve is arranged on the proximal end side of the insulating sleeve part, a limit groove is arranged on one side surface of the limit sleeve, and the limit groove gradually reduces from outside to inside;

6. The smoke dischargeable electric surgical knife according to claim 2, wherein an outer wall protruding outwardly in a longitudinal direction of the handle portion is provided on an outer side of at least one side wall of the handle portion, and the outer wall and the side wall are surrounded to form a through hole for passing through the second tube.

7. The smoke-dischargeable electric surgical knife according to claim 2, wherein a filter is provided in the middle of the second tube;

The second tube includes:

8. The smoke dischargeable electric surgical knife according to claim 1, wherein the knife head portion is a tungsten needle.