CN218572292U - Electric coagulation knife structure - Google Patents
Electric coagulation knife structure Download PDFInfo
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- CN218572292U CN218572292U CN202222438743.XU CN202222438743U CN218572292U CN 218572292 U CN218572292 U CN 218572292U CN 202222438743 U CN202222438743 U CN 202222438743U CN 218572292 U CN218572292 U CN 218572292U
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- Prior art keywords
- way joint
- spring
- inner tube
- pipe
- inner pipe
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- 238000005345 coagulation Methods 0.000 title abstract description 8
- 230000015271 coagulation Effects 0.000 title abstract description 8
- 238000011010 flushing procedure Methods 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000009297 electrocoagulation Methods 0.000 claims description 13
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000023597 hemostasis Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model relates to an electric coagulation knife structure, which comprises an inner tube and a three-way joint; the inner pipe is a straight pipe with two open ends, the front end of the inner pipe is provided with a tool bit, and the rear end part of the inner pipe is sleeved with a drum spring structure; the inner tube, the cutter head and the drum spring structure are all made of conductive materials; the drum spring structure is provided with a lead connected with a power supply; the drum spring structure is connected with the first end of the three-way joint; the rear end of the inner pipe is hermetically connected with an inner port of the first end of the three-way joint; the front part of the inner tube is sleeved with an insulated outer tube; the middle part of the inner pipe is sleeved with a roller; and the second end and the third end of the three-way joint are respectively connected with a negative pressure suction device and a flushing device. The utility model discloses can combine together the cutting function of electricity congeals sword with attract and wash the function, create very big facility for surgeon's operation, improve operation efficiency.
Description
Technical Field
The utility model relates to a medical instrument, in particular to an electric coagulation knife for operation, and specifically relates to an electric coagulation knife structure.
Background
The electric coagulation knife is an electric surgical instrument for replacing a mechanical scalpel to cut tissues, and the principle of the electric coagulation knife is that high-frequency high-voltage current is generated by the tip of an effective electrode and is in contact with limbs to heat local tissues, so that the muscle tissues are separated and coagulated, and the aims of cutting and rapid hemostasis are fulfilled.
The traditional electrocoagulation knife is simple in structure and single in function, and high-frequency high-voltage current is generated on a knife head of the traditional electrocoagulation knife by electrifying the knife rod to heat a focus, so that cutting is realized. In the meantime, since the limb tissues are easily heated to generate smoke, the operation field of vision is affected, so that corresponding suction and irrigation instruments are required to be additionally arranged at present to clean the operation site and timely suck away the smoke. Therefore, the operation doctor needs to frequently replace the instruments in the operation process, the operation is inconvenient, and the operation efficiency is influenced. Therefore, an electrocoagulation knife with comprehensive flushing, sucking and sucking functions is urgently needed to be designed so as to better meet the requirements of operations.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electricity congeals sword structure to prior art's not enough, can combine together the cutting function of electricity congeals sword with attract and wash the function, for surgeon's operation has created very big facility, has improved operation efficiency.
The technical scheme of the utility model is that:
an electrocoagulation knife structure comprises an inner tube and a three-way joint; the inner pipe is a straight pipe with two open ends, the front end of the inner pipe is provided with a tool bit, and the rear end part of the inner pipe is sleeved with a drum spring structure; the inner tube, the cutter head and the drum spring structure are all made of conductive materials; the drum spring structure is provided with a lead connected with a power supply; the drum spring structure is connected with the first end of the three-way joint; the rear end of the inner pipe is hermetically connected with an inner port of the first end of the three-way joint; the front part of the inner tube is sleeved with an insulated outer tube; the middle part of the inner pipe is sleeved with a roller; and the second end and the third end of the three-way joint are respectively connected with a negative pressure suction device and a flushing device.
Furthermore, the cutter head is in a metal wire shape, the rear end of the cutter head is welded in a groove formed in the front end of the inner tube, and the front end of the cutter head is suspended.
Furthermore, a binding post protruding outwards is arranged on the drum spring structure; the lead is welded on the binding post; a notch is arranged on the end edge of the first end of the three-way joint; the wiring terminal is clamped in the gap.
Further, the drum spring structure comprises a crown spring, the outer diameters of two end edges of the crown spring are matched with the first end of the three-way joint, and the minimum diameter of the concave part in the middle of the crown spring is smaller than the outer diameter of the inner pipe; the binding post is arranged on the front end edge of the crown spring; the crown spring is sleeved on the inner pipe and is arranged in the first end of the three-way joint.
Further, the drum spring structure comprises a lantern spring and a conducting ring; the inner diameter of the end opening of the lantern spring is smaller than the outer diameter of the inner pipe; the conducting ring is in a short tube shape and made of conducting materials, the outer diameter of the conducting ring is matched with the first end of the three-way joint, and the inner diameter of the conducting ring is smaller than the maximum diameter of the expanded part in the middle of the lantern spring; the lantern spring is sleeved on the inner pipe and is arranged in the conductive ring; the wiring terminal is arranged on the front end edge of the conducting ring; the conducting ring is arranged in the first end of the three-way joint.
Furthermore, the rear end of the inner pipe is provided with a chamfer and is connected with the inner port of the first end of the three-way joint in a sealing way through an O-shaped sealing ring.
Furthermore, the inner diameter of the outer pipe is equivalent to the outer diameter of the inner pipe, and the outer pipe can be tightly sleeved on the inner pipe; the front end of the outer pipe is flush with the front end of the inner pipe, and the rear end of the outer pipe is provided with a convex flying edge.
The utility model has the advantages that:
1. the cutting function and the suction and flushing function of the electrocoagulation knife are combined, great convenience is created for the operation of a surgeon, and the operation efficiency is improved.
2. Electric connection is realized through a crown spring or a lantern spring in the drum spring structure, so that the stability of the electric connection is greatly improved, the phenomenon of poor contact when the electric coagulation knife rotates is avoided, and the operation quality is improved.
3. Through the chamfering of the end part of the inner pipe and the method adopting the O-shaped sealing ring, the connection tightness is effectively improved, and the smooth operation is ensured.
Drawings
Fig. 1 is an exploded view of a first embodiment of the present invention.
Fig. 2 is a longitudinal sectional view of a first embodiment of the present invention.
Fig. 3 is a schematic view of a crown spring and a wire.
Fig. 4 is a partial schematic view of a second embodiment of the present invention.
Wherein, 1-a cutter head; 2-an outer tube; 3-fly edge; 4-a roller; 5-conducting wires; 6-inner tube; 7-crown spring; 8-sealing ring; 9-a three-way joint; 10-notch; 11-a terminal post; 12-lantern spring; 13-conductive ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment one, as shown in fig. 1 to 3.
An electrocoagulation knife structure comprises an outer tube 2, an inner tube 6, a three-way joint 9 and the like.
The inner pipe 6 is a straight pipe with two open ends and is made of stainless steel. The front end of the inner tube is provided with a cutter head 3, and the rear end part of the inner tube is sleeved with a crown spring 7 and then is arranged in the first end of the three-way joint 9. The outer diameter of the two end edges of the crown spring 7 is adapted to the first end of the three-way joint 9, so that the opening of the crown spring can be properly compressed and then placed into the first end of the three-way joint, and then the opening of the crown spring is released, so that the crown spring 7 can be tightly clamped in the first end of the three-way joint.
The minimum diameter of the concave part in the middle of the crown spring 7 is smaller than the outer diameter of the inner tube 6, so that when the crown spring is sleeved on the inner tube, the crown spring can be tightly wrapped on the inner tube through the elastic force of the crown spring. Meanwhile, the two can rotate mutually.
A binding post 11 is arranged on the front end edge of the crown spring 7, a lead 5 is connected to the binding post 11, and the lead is connected with an external power supply. Preferably, the post 11 is a block-shaped protrusion. Meanwhile, a notch 10 is formed in the end edge of the first end of the three-way joint 9, and the notch 10 is matched with the wiring terminal 11, so that the wiring terminal 11 is clamped in the notch 10, the crown spring 7 is fixed, and rotation of the crown spring is prevented.
The rear end of the inner pipe 6 is provided with a chamfer and is connected with the inner port of the first end of the three-way joint 9 in a sealing way through an O-shaped sealing ring 8, so that the sealing performance of the joint can be still kept when the inner pipe 6 rotates.
The front end of the inner tube 6 is provided with a cutter head 1. The cutter head 1 is in a metal wire shape, the rear end of the cutter head is welded in a groove formed in the front end part of the inner tube 6, and the outer surface of the inner tube is prevented from being protruded. The front end of the cutter head 1 is suspended and can be made into a bent shape, thereby being convenient to use.
The outer tube 2 is a straight tube, the length of the straight tube is smaller than that of the inner tube 6, the inner diameter of the straight tube is equivalent to the outer diameter of the inner tube 6, and the straight tube can be tightly sleeved on the front portion of the inner tube 6. The outer tube 2 is made of an insulating material such as plastic, which can insulate the front portion of the inner tube 6. Preferably, the front end of the outer tube 2 is flush with the front end of the inner tube 6, and the rear end of the outer tube is provided with a convex flying edge 3, so that the flying edge 3 can limit the position while insulating.
The middle part of the inner tube 6 is sleeved with the roller 4, and the inner tube 6 can be driven to rotate by rotating the roller 4, so that the precise operation is implemented.
The second end and the third end of the three-way joint 9 are respectively connected with a negative pressure suction device and a flushing device, so that the focus part is sucked, drained or flushed through the inner tube 6, various instruments are prevented from being used, and the operation of a doctor is facilitated.
Example two, as shown in fig. 4.
The second embodiment has substantially the same structure as the first embodiment, and the main difference is that the second embodiment does not use a crown spring, but uses a lantern spring 12 and a conductive ring 13. The inner diameter of the end opening of the lantern spring 12 is smaller than the outer diameter of the inner tube 6, so that the opening of the lantern spring can be properly opened to tightly and firmly wrap the inner tube 6, and good connection is ensured. The conductive ring 13 is in the shape of a short tube and made of a conductive material, and the outer diameter of the conductive ring is adapted to the first end of the three-way joint 9, so that the conductive ring can be stably placed in the first end of the three-way joint 9. Meanwhile, the inner diameter of the conducting ring 13 is smaller than the maximum diameter of the expanded part in the middle of the lantern spring 12, so that when the lantern spring 12 is sleeved on the inner tube 6 and then is placed in the conducting ring 13, the lantern spring 12 can be deformed under pressure to generate a reaction force, and the reaction force is tightly connected with the conducting ring 13.
Furthermore, a wiring terminal 11 is arranged on the front end edge of the conducting ring 13, and the wiring terminal 11 is clamped in the notch of the first end of the three-way connector 9, so that the conducting ring is prevented from rotating.
The crown spring and the lantern spring both belong to drum spring structures, and are made of metal materials, so that good electric conduction is ensured.
The utility model discloses can implement operations such as electricity congeals cutting, negative pressure attraction and washing:
1) During the electricity congeals the cutting, switches on the power through the wire, behind terminal, drum spring structure and inner tube in proper order, gives the tool bit power supply, aims at the operation position with the tool bit again, through the most advanced high-frequency high-voltage current that produces at the tool bit, heats the tissue of operation position, makes muscle tissue's separation and solidification, realizes cutting and hemostasis fast. Meanwhile, the roller can be rotated to adjust the direction of the cutter head, so that accurate cutting is realized. When rotating, can effectively avoid the poor emergence of electrically conductive under the effect of drum spring structure, ensure that the operation normally goes on.
2) When the negative pressure suction is carried out, the negative pressure suction device is connected to ensure that the flushing device is disconnected, and the focus part is sucked and drained through the inner tube.
3) When in washing, the washing device is switched on, and the negative pressure suction device is ensured to be switched off, so that the washing liquid flows out after passing through the inner tube to wash the focus part.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (7)
1. An electrocoagulation knife structure comprises an inner tube and a three-way joint; the device is characterized in that the inner pipe is a straight pipe with two open ends, the front end of the inner pipe is provided with a tool bit, and the rear end of the inner pipe is sleeved with a drum spring structure; the inner tube, the cutter head and the drum spring structure are all made of conductive materials; the drum spring structure is provided with a lead connected with a power supply; the drum spring structure is connected with the first end of the three-way joint; the rear end of the inner pipe is hermetically connected with an inner port of the first end of the three-way joint; the front part of the inner tube is sleeved with an insulated outer tube; the middle part of the inner pipe is sleeved with a roller; and the second end and the third end of the three-way joint are respectively connected with a negative pressure suction device and a flushing device.
2. An electrocoagulation blade structure according to claim 1, wherein the blade head is of wire form, welded at its rear end in a recess provided in the front end of the inner tube, and suspended at its front end.
3. An electrocoagulation knife structure according to claim 1, wherein the drum spring structure is provided with an outwardly projecting binding post; the lead is welded on the binding post; a notch is arranged on the end edge of the first end of the three-way joint; the wiring terminal is clamped in the gap.
4. An electrocoagulation knife structure according to claim 3, wherein the drum spring structure comprises a crown spring, the outer diameter of the two end edges of which are adapted to the first end of the three-way joint, and the minimum diameter of the concave part in the middle part of the crown spring is smaller than the outer diameter of the inner tube; the binding post is arranged on the front end edge of the crown spring; the crown spring is sleeved on the inner pipe and is arranged in the first end of the three-way joint.
5. An electrocoagulation blade structure according to claim 3, wherein the drum spring structure comprises a lantern spring and an electrically conductive ring; the inner diameter of the port of the lantern spring is smaller than the outer diameter of the inner tube; the conducting ring is in a short tube shape and made of conducting materials, the outer diameter of the conducting ring is matched with the first end of the three-way joint, and the inner diameter of the conducting ring is smaller than the maximum diameter of the expanded part in the middle of the lantern spring; the lantern spring is sleeved on the inner pipe and is arranged in the conductive ring; the wiring terminal is arranged on the front end edge of the conducting ring; the conducting ring is arranged in the first end of the three-way joint.
6. An electrocoagulation blade structure according to claim 1, wherein the rear end of the inner tube is chamfered and sealingly connected to the inner port of the first end of the tee junction by an O-ring seal.
7. An electrocoagulation knife structure according to claim 1, wherein the outer tube has an inner diameter corresponding to the outer diameter of the inner tube and is adapted to be fitted tightly over the inner tube; the front end of the outer pipe is flush with the front end of the inner pipe, and the rear end of the outer pipe is provided with a convex flying edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438743.XU CN218572292U (en) | 2022-09-15 | 2022-09-15 | Electric coagulation knife structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222438743.XU CN218572292U (en) | 2022-09-15 | 2022-09-15 | Electric coagulation knife structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218572292U true CN218572292U (en) | 2023-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222438743.XU Active CN218572292U (en) | 2022-09-15 | 2022-09-15 | Electric coagulation knife structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218572292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115429421A (en) * | 2022-09-15 | 2022-12-06 | 海泽临床成果转化医学研究院(无锡)有限公司 | An electric coagulation knife structure |
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2022
- 2022-09-15 CN CN202222438743.XU patent/CN218572292U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115429421A (en) * | 2022-09-15 | 2022-12-06 | 海泽临床成果转化医学研究院(无锡)有限公司 | An electric coagulation knife structure |
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