Intraoperative hypothermic anti-adhesion tissue dissecting instrument

Abstract

This invention relates to the field of medical device technology, and more particularly to an intraoperative cooling and anti-adhesion tissue dissection instrument. It includes a connecting wire; one end of the connecting wire is connected to an electrical wire end and a water inlet tube. Through the coordinated operation of the movable handle, connecting rope, first spring, and sliding tube, this invention can adaptively adjust the flow rate of the irrigation fluid according to the instrument's working state. When the instrument is open without load, the connecting rope tightens and misaligns the second water inlet with the first water inlet, maintaining a low flow rate of irrigation fluid circulation. This avoids excessive cooling of the forceps tip, preventing slow heating and reduced hemostasis efficiency during electrocoagulation. During hemostasis, the connecting rope loosens, and the first spring pushes the sliding tube to shift, increasing the overlapping area of ​​the water inlets and increasing the coolant flow rate. Combined with the bidirectional limiting effect of the limiting ring, this ensures stable movement of the sliding tube, thereby quickly and effectively removing heat from the forceps legs and tip during high-temperature electrocoagulation operations and inhibiting heat diffusion to the surrounding area.

Description

Technical Field

[0001] This invention relates to the field of medical device technology, and in particular to an intraoperative cooling anti-adhesion tissue dissection instrument. Background Technology

[0002] In neurosurgical microsurgery, drip-type bipolar electrocoagulation forceps are commonly used to perform tissue dissection and vascular closure hemostasis. Hemostasis is achieved by denaturing target tissue proteins using bipolar current. The use of saline dripping helps alleviate the problem of forceps tip adhesion due to high temperature. These forceps are indispensable instruments for performing delicate intracranial and spinal cord surgeries. However, current drip-type bipolar electrocoagulation forceps generally use an independent external water supply system to provide a continuous constant flow of water. In the unloaded state, continuous high-flow cooling can cause the base temperature of the forceps tip to be too low, which slows down the tissue temperature rise when electrocoagulation is initiated, reducing the efficiency of immediate hemostasis.

[0003] Meanwhile, the liquid outlet of traditional drip-type bipolar electrocoagulation forceps is controlled by a foot valve alone, and the electrocoagulation action and liquid dripping cannot be linked. Doctors need to alternately operate the foot switch and surgical forceps, which distracts their attention and affects the smoothness of microsurgical operation. Conventional products can only achieve hemostasis when the forceps tip is closed and the current is conducted. They cannot output irrigation liquid separately when the forceps tip is separated and the power is off, which makes it difficult to meet the diverse surgical needs such as intraoperative wound pretreatment and postoperative local cooling. Summary of the Invention

[0004] In order to overcome the technical defects of drip-type bipolar electrocoagulation forceps, such as the inability of the cooling flow rate to be adaptively adjusted according to the surgical conditions, the inability to link the electrocoagulation and dripping actions, the single function, and the poor heat dissipation effect, this invention provides an intraoperative cooling anti-adhesion tissue dissection instrument.

[0005] The technical solution of this invention is as follows: an intraoperative cooling and anti-adhesion tissue dissection instrument, comprising a connecting wire; one end of the connecting wire is connected to an electrical wire end and a water supply structure; the other end of the connecting wire is fixedly connected to a connector; two movable handles are connected to the connector; each movable handle is connected to a forceps leg; each forceps leg is connected to a forceps tip; each movable handle is in communication with the water supply structure; it also includes a fixing sleeve connected to the movable handle; a water inlet pipe is fixedly connected inside the fixing sleeve; the forceps leg is fixedly connected to the fixing sleeve; the water inlet pipe is inserted into the forceps leg; a partition plate is fixedly connected inside the fixing sleeve; the partition plate divides the inside of the fixing sleeve into a water inlet chamber. The system has two chambers: an inlet chamber and a return chamber. Both the inlet chamber and the return chamber are connected to the water supply structure. The inlet pipe has a first inlet at one end of the fixed sleeve. The first inlet is connected to the inlet chamber. A return groove is formed between the inlet pipe and the tweezers. The return groove is connected to the return chamber. The distal outlet of the inlet pipe is connected to the return groove. A sliding tube is slidably connected inside the inlet pipe and is connected to the inlet pipe. A second inlet is provided on the sliding tube. A first spring is fixed between the sliding tube and the inlet pipe. The sliding tubes inside the two inlet pipes are connected by a connecting rope. Two limiting rings are fixed inside the inlet pipe to limit the sliding range of the sliding tube.

[0006] As a preferred technical solution of the present invention, it also includes a spiral blade; a spiral blade is fixedly connected to the outside of the water inlet pipe, and the outer edge surface of the spiral blade slides in contact with the inner wall of the tweezer leg, so that the return groove forms a spiral guiding channel.

[0007] As a preferred embodiment of the present invention, it further includes rubber rings; rubber rings are fixedly connected to both ends of the sliding tube, and the rubber rings slide close to the inner wall of the water inlet pipe.

[0008] As a preferred embodiment of the present invention, it further includes a protective sleeve; a protective sleeve is fixedly attached to each fixed sleeve; and a connecting rope passes through the protective sleeve.

[0009] With the above structure, the protective sleeve can constrain the movement path of the connecting rope, preventing the connecting rope from shifting, twisting, or even getting tangled or scraped with surrounding parts during repeated opening and closing of the device, reducing wear caused by the reciprocating pulling of the connecting rope, and extending the service life of the connecting rope.

[0010] As a preferred embodiment of the present invention, the connecting wire is wrapped with a protective rubber sleeve.

[0011] By adopting the above structure, the present invention provides isolation and protection for the internal circuitry of the connecting wire and the water supply pipe through the protective sleeve. During the surgical procedure, it can prevent blood, irrigation fluid, and tissue debris from directly corroding the connecting wire, reducing the risk of pipe aging and damage to the insulation layer of the circuit.

[0012] As a preferred embodiment of the present invention, the gripping part of the movable handle is provided with concave and convex textures.

[0013] By adopting the above-mentioned structure, the present invention arranges the concave and convex textures on the gripping area of ​​the movable handle, which can increase the friction between the doctor's fingers and the movable handle, effectively prevent slippage, ensure that the doctor can stably control the opening and closing range of the movable handle, accurately adjust the clamping force of the forceps tip, and thus smoothly achieve adaptive adjustment of the irrigation fluid flow rate.

[0014] As a preferred embodiment of the present invention, it further includes a push rod connected to the sliding tube; a plurality of microholes are provided on the left side of the tweezers; a connecting groove is provided inside the tweezers; all the microholes are connected to the reflux groove through the connecting groove; a sealing valve is slidably connected inside the connecting groove; a second spring is fixedly connected between the sealing valve and the tweezers; the push rod faces the sealing valve; and a limiting component for limiting the clamping angle of the movable handle is connected to the movable handle.

[0015] As a preferred embodiment of the present invention, the limiting component includes a limiting block and a rotating block; the limiting blocks are fixedly connected to opposite sides of the two movable handles; and the rotating block is threadedly connected to one of the limiting blocks.

[0016] As a preferred embodiment of the present invention, it further includes a protective film; the protective film is fixed between the sealing valve and the tweezers leg; and the second spring is located inside the protective film.

[0017] As a preferred embodiment of the present invention, it further includes a protruding rod; a plurality of protruding rods are fixedly connected to the outer side of the rotating block.

[0018] Beneficial effects: Through the coordinated operation of the movable handle, connecting rope, first spring, and sliding tube, the flow rate of the flushing fluid can be adaptively adjusted according to the working state of the instrument. When the instrument is unloaded and open, the connecting rope is tightened and the second water inlet is misaligned with the first water inlet, keeping the flushing fluid circulating at a low flow rate. This avoids excessive cooling of the forceps tip and prevents slow heating and reduced hemostasis efficiency during electrocoagulation. When clamping for hemostasis, the connecting rope is relaxed, and the first spring pushes the sliding tube to move, increasing the overlapping area of ​​the water inlets and thus increasing the flow rate of the coolant. Combined with the bidirectional limiting effect of the limiting ring, the sliding tube's travel is kept stable, thereby quickly and effectively removing heat from the forceps legs and tips during high-temperature electrocoagulation operations, inhibiting heat diffusion to the surrounding area, and significantly reducing the risk of thermal damage to surrounding nerves and brain tissue.

[0019] By adding a linkage-based fluid dispensing mechanism consisting of a push rod, a sealing valve, a second spring, a connecting groove, and micropores, automatic fluid dispensing and automatic fluid shut-off during clamping operations can be achieved. When the movable handle presses down on the clamped tissue, the sliding tube drives the push rod to open the sealing valve, and the irrigation fluid drips from the return groove through the micropores onto the forceps tip and tissue surface, forming a stable water film isolation layer. This effectively prevents carbonized tissue from adhering to the forceps tip and prevents secondary bleeding caused by tearing the wound surface when the forceps are opened. At the same time, the continuously dripping irrigation fluid can wash away debris and oozing blood in the surgical area, maintaining a clear field of vision. The entire structure does not require an external foot switch to control the fluid dispensing, has a high degree of automation, and greatly simplifies the intraoperative operation process. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the intraoperative cooling and anti-adhesion tissue dissection instrument of the present invention; Figure 2 This is a cross-sectional view of the tweezers and retaining sleeve of the present invention; Figure 3 This is a three-dimensional structural diagram of the combination of the fixing sleeve, water inlet pipe, spiral blade and partition plate of the present invention; Figure 4 This is a three-dimensional structural diagram of the combination of the fixing sleeve, water inlet pipe, sliding pipe, first spring, connecting rope and protective sleeve of the present invention. Figure 5 This is a three-dimensional structural diagram of the combination of tweezers legs, tweezers tips, water inlet pipe, push rod and sealing valve of the present invention; Figure 6 This is a three-dimensional structural diagram of the combination of tweezers, sealing valve, second spring, and protective film of the present invention. Figure 7This is a three-dimensional structural diagram of the combination of the movable handle, the limiting block, and the rotating block of the present invention.

[0021] The components are: 1-connecting wire, 1001-electric wire end, 2-water pipe, 3-diverter valve, 3001-drain pipe, 4-moving handle, 4001-textured surface, 5-diverter pipe, 6-tweezers leg, 6001-return groove, 6002-connecting groove, 6003-microhole, 7-tweezers tip, 8-connector, 101-fixed sleeve, 102-inlet pipe, 10201-first inlet, 10202-limiting ring, 103-spiral blade, 104-partition plate, 105-sliding tube, 10501-second inlet, 10502-rubber ring, 106-first spring, 107-connecting rope, 108-protective sleeve, 109-push rod, 201-sealing valve, 202-second spring, 203-protective membrane, 204-limiting block, 205-rotating block, 20501-protruding rod. Detailed Implementation

[0022] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the present invention.

[0023] Example 1: An intraoperative cooling and anti-adhesion tissue dissection instrument, such as... Figures 1-5 As shown, it includes a connecting line 1, a water supply structure, movable handles 4, tweezer legs 6, tweezer tips 7, and a connector 8; the water supply structure consists of a water supply pipe 2, a diversion valve 3, and a diversion pipe 5; one end of the connecting line 1 is connected to an electrical wire end 1001 and the water supply pipe 2; the water supply pipe 2 is connected to an external cooling device through a connector; a diversion valve 3 is installed on the water supply pipe 2, which is used to realize the inflow and outflow of liquid and control it; a drain pipe 3001 is connected to the diversion valve 3; the other end of the connecting line 1 is fixedly connected to a connector 8; two movable handles 4 are connected to the connector 8; each movable handle 4 is connected to a tweezer leg 6; each tweezer leg 6 is connected to a tweezer tip 7; two diversion pipes 5 are installed on each movable handle 4; one diversion pipe 5 is connected to the water supply pipe 2, and the other diversion pipe 5 is connected to the drain pipe 3001; It also includes a fixed sleeve 101, a water inlet pipe 102, a partition plate 104, a sliding pipe 105, a first spring 106, and a connecting rope 107; fixed sleeves 101 are fixedly connected to both movable handles 4; a water inlet pipe 102 is fixedly connected inside the fixed sleeve 101; tweezer legs 6 are fixedly connected to the fixed sleeve 101; the water inlet pipe 102 is inserted into the tweezer legs 6; a partition plate 104 is fixedly connected inside the fixed sleeve 101; the partition plate 104 divides the fixed sleeve 101 into two chambers: a water inlet chamber and a water return chamber; two diversion pipes 5 on the same movable handle 4 are respectively connected to the water inlet chamber and the water return chamber; a first water inlet 10201 is opened at one end of the water inlet pipe 102 located in the fixed sleeve 101; the first water inlet 10201 is connected to the water inlet chamber; A return channel 6001 is formed between the water pipe 102 and the tweezers leg 6; the return channel 6001 is connected to the return water chamber; the far end outlet of the water inlet pipe 102 is connected to the return channel 6001; a sliding tube 105 is slidably connected inside the water inlet pipe 102, and the sliding tube 105 is connected to the water inlet pipe 102; a second water inlet 10501 is provided on the sliding tube 105; in the initial state, the second water inlet 10501 and the first water inlet 10201 are misaligned, and the two are only partially connected; a first spring 106 is fixed between the sliding tube 105 and the water inlet pipe 102; the sliding tubes 105 in the two water inlet pipes 102 are connected by a connecting rope 107; two limiting rings 10202 are fixed inside the water inlet pipe 102.

[0024] It also includes a spiral blade 103; the spiral blade 103 is fixed to the outside of the water inlet pipe 102, and the outer edge surface of the spiral blade 103 slides in contact with the inner wall of the tweezer leg 6, so that the return groove 6001 forms a spiral guide channel.

[0025] Working principle of Example 1: First, connect the water supply pipe 2 to the external cooling device pipeline, and connect the wire end 1001 to the power output terminal of the high-frequency electrocoagulation host; during the surgical operation, the doctor holds the instrument and presses the two movable handles 4, which causes the two forceps legs 6 to move closer together, and the target human tissue is grasped together with the help of two sets of forceps tips 7. Then, high-frequency current is conducted to burn the tissue to complete the hemostasis operation; during the electrocoagulation stage, the forceps tip 7 will continuously generate high temperature heat, and the heat will diffuse to the surrounding tissue. Therefore, during the operation, the external cooling device continuously delivers low-temperature irrigation fluid (the irrigation fluid is sterile) to the water supply pipe 2.(9% sodium chloride saline); the flushing fluid is diverted by the diversion valve 3 and distributed to the corresponding diversion pipes 5 of each group. Then, it is sent through the corresponding diversion pipes 5 into the inlet chamber inside the fixed sleeve 101, and then sequentially through the first inlet 10201 and the second inlet 10501 into the inner cavity of the sliding tube 105, flowing along the sliding tube 105 into the inlet pipe 102. After reaching the distal end of the inlet pipe 102, the fluid turns back into the return groove 6001, flowing back along the return groove 6001 to the return chamber inside the fixed sleeve 101, and finally flowing through the corresponding diversion pipes 5 into the drain pipe 3001 for discharge. Through the above pathway, a continuously circulating flushing fluid can be formed in the return groove 6001 inside the tweezers 6. The flushing fluid continuously removes the heat accumulated in the forceps legs 6 and forceps tips 7, achieving efficient and balanced cooling of the forceps legs 6 and forceps tips 7. In the initial unloaded state, the two movable handles 4 remain in an outward-opening posture. At this time, the connecting rope 107 is taut, the first spring 106 is compressed, and the second inlet 10501 is misaligned with the first inlet 10201, resulting in a small fluid communication area. The flow rate of the flushing fluid from the inlet chamber into the sliding tube 105 remains low. When the doctor presses the movable handle 4, driving the two sets of forceps tips 7 to close and clamp the tissue for hemostasis, the two fixing sleeves 101 move closer to each other synchronously with the movable handle 4. The connecting rope 107 changes from taut to slack, and the first spring 10501... 6. The extension and reset mechanism pushes the sliding tube 105 to generate axial displacement, increasing the overlap area between the second inlet 10501 and the first inlet 10201, thus increasing the flow rate of the irrigation fluid. After the hemostasis operation is completed, the movable handle 4 is opened and reset outwards. The connecting rope 107 is tightened again, pulling the sliding tube 105 to move in the opposite direction. The first spring 106 is compressed and contracted again, reducing the overlap area between the second inlet 10501 and the first inlet 10201. The above linkage structure enables adaptive flow regulation: when the instrument is unloaded and not holding tissue, the irrigation fluid maintains a low flow rate to avoid excessive temperature drop of the forceps tip 7 due to continuous high-intensity cooling, thus preventing tissue damage during the initial stage of electrocoagulation. A decrease in the heating rate affects hemostasis efficiency. During the electrocoagulation hemostasis stage of closing and clamping tissue, the automatic increase in the circulation flow rate of the irrigation fluid enhances heat dissipation, effectively inhibiting the spread of high temperature to surrounding normal nerves and brain tissue, and reducing the risk of thermal damage. Simultaneously, the limiting ring 10202 bidirectionally limits the sliding tube 105, stably controlling the maximum and minimum flow area range, ensuring the long-term stable operation of the flow regulation mechanism. Furthermore, during the flow of the irrigation fluid inside the return tank 6001, the spiral blades 103 guide the irrigation fluid along a spiral trajectory, closely adhering to the inner wall of the tweezers 6, significantly increasing the contact area between the irrigation fluid and the inner wall of the tweezers 6, and extending the heat exchange time, significantly improving heat exchange efficiency and further optimizing the overall cooling effect.

[0026] It also includes a rubber ring 10502; both ends of the sliding tube 105 are fixed with rubber rings 10502. The rubber rings 10502 slide close to the inner wall of the water inlet tube 102. On the one hand, they can play a radial sealing role to prevent the flushing fluid in the water inlet chamber from leaking outward from the gap between the outer wall of the sliding tube 105 and the inner wall of the water inlet tube 102; on the other hand, they can reduce the frictional noise generated when the sliding tube 105 slides axially, reduce the sliding resistance, and improve the running stability of the instrument during repeated operations.

[0027] It also includes a protective sleeve 108; a protective sleeve 108 is fixedly attached to each fixed sleeve 101; the connecting rope 107 passes through the protective sleeve 108, and the protective sleeve 108 covers the outside of the connecting rope 107, which can constrain the movement path of the connecting rope 107, prevent the connecting rope 107 from shifting, twisting or even getting tangled or scraped with surrounding parts during the repeated opening and closing of the device, reduce the wear caused by the reciprocating pulling of the connecting rope 107, and extend the service life of the connecting rope 107.

[0028] The outer side of the connecting line 1 is wrapped with a protective rubber sleeve. The protective rubber sleeve covers the outside of the connecting line 1 and can form an isolation and protection for the internal circuit of the connecting line 1 and the water pipe 2. During the surgical operation, it can prevent blood, irrigation fluid and tissue debris from directly corroding the connecting line 1, reducing the risk of pipe aging and circuit insulation layer damage.

[0029] The gripping part of the movable handle 4 is provided with concave and convex textures 4001. The concave and convex textures 4001 are arranged in the gripping area of ​​the movable handle 4, which can increase the friction between the doctor's fingers and the movable handle 4, effectively prevent slippage, ensure that the doctor can stably control the opening and closing range of the movable handle 4, accurately adjust the clamping force of the forceps tip 7, and thus smoothly achieve adaptive adjustment of the irrigation fluid flow.

[0030] Example 2: Based on Example 1, such as Figure 1 and Figures 5-7 As shown, it also includes a push rod 109, a sealing valve 201, a second spring 202, and a limiting assembly; the push rod 109 is fixedly connected to the sliding tube 105; eight micro-holes 6003 are opened on the left side of the tweezer leg 6; a connecting groove 6002 is opened inside the tweezer leg 6; all the micro-holes 6003 are connected to the return groove 6001 through the connecting groove 6002; the sealing valve 201 is slidably connected inside the connecting groove 6002; the second spring 202 is fixedly connected between the sealing valve 201 and the tweezer leg 6; the push rod 109 faces the sealing valve 201; a limiting assembly is connected to the movable handle 4.

[0031] The limiting assembly includes a limiting block 204 and a rotating block 205; the two movable handles 4 are fixed to the limiting blocks 204 on opposite sides; the rotating block 205 is threadedly connected to one of the limiting blocks 204.

[0032] Working principle of Example 2: During the operation, when the doctor presses the movable handle 4 to drive the two sets of forceps 7 to close and clamp the tissue for hemostasis, the first spring 106 extends and resets, pushing the sliding tube 105 to the left, which in turn drives the push rod 109 to the left. Then, the push rod 109 will squeeze the sealing valve 201. Since the elastic force of the first spring 106 is greater than that of the second spring 202, the second spring 202 will be compressed and contracted, and the sealing valve 201 will move to the left, releasing the sealing valve 201 from blocking the connecting groove 6002. The rinsing fluid in the return groove 6001 will flow into the micropore 6003 through the connecting groove 6002, and then drip onto the forceps 7 and the tissue surface through the micropore 6003, forming a continuous water film isolation layer between the forceps 7 and the wound surface. This effectively prevents carbonized tissue from adhering to the surface of the forceps 7, avoids tearing of closed blood vessels when the forceps 7 is opened, and prevents secondary bleeding. It can also continuously rinse the micropores. Small blood clots and carbonized debris maintain a clear surgical field. After hemostasis is completed, the movable handle 4 is opened and reset outward. The connecting rope 107 is tightened again, and the sliding tube 105 and push rod 109 are pulled in opposite directions. The push rod 109 releases the pressure on the sealing valve 201, the second spring 202 extends and resets, and the sealing valve 201 re-seals the connecting groove 6002, stopping the dripping of irrigation fluid. Relying on the above linkage structure, the doctor does not need to step on the control switch to start and stop the dripping of liquid. The liquid is automatically discharged when the forceps tip 7 is holding the liquid and automatically cut off when the clamp is opened. This simplifies the intraoperative operation process and improves the convenience of the surgical operation. It should be noted that the irrigation fluid flowing out through the micro-hole 6003 has a small flow rate and a gentle flow. It only plays an auxiliary protective role in cooling the forceps tip 7, preventing adhesion, and gently rinsing the wound. It will not accumulate a large amount of liquid in the electrocoagulation hemostasis area and will not interfere with the high-temperature carbonization hemostasis process of bipolar electrocoagulation.

[0033] Furthermore, in the initial assembly state, the stroke is limited by two sets of limiting blocks 204. When the doctor presses the movable handle 4 until the two limiting blocks 204 abut against each other, the two forceps tips 7 are just in contact. The limiting blocks 204 limit the maximum clamping angle, preventing the movable handle 4 from being over-clamped, which could cause the forceps tips 7 to be violently impacted, deformed, or damaged, thus extending the instrument's service life. When the doctor needs to use irrigation fluid to perform local irrigation and cooling operations on the target tissue without the forceps tips 7 contacting the conductive current, the rotating block 205 is rotated to extend it outward, reducing the maximum distance between the rotating block 205 and the other limiting block 204. During the pressing of the movable handle 4, the rotating block 205 extends outward, reducing the maximum distance between the rotating block 205 and the other limiting block 204. The movable block 205 first abuts against the limiting block 204 on the other side, preventing the movable handle 4 from getting closer, keeping the two forceps tips 7 separated and the circuit unable to conduct; at the same time, the stroke of the movable handle 4 is sufficient to drive the sliding tube 105 and the push rod 109 to produce axial displacement, and the push rod 109 can still push the sealing valve 201 to move, releasing the blockage of the connecting groove 6002, and the rinsing fluid inside the return groove 6001 flows out through the micropore 6003, completing the wound rinsing and local cooling operation independently. It can be used for pretreatment before electrocoagulation, clearing wound bleeding, or continuously cooling the heated tissue after electrocoagulation, expanding the application scenarios of the instrument and improving the functional diversity of the instrument.

[0034] It also includes a protective membrane 203; the protective membrane 203 is fixed between the sealing valve 201 and the forceps leg 6; the second spring 202 is located inside the protective membrane 203, and the protective membrane 203 completely wraps the second spring 202, on the one hand, isolating the second spring 202 from direct contact with the rinsing fluid, preventing the precipitation of metal ions and causing contamination of the rinsing fluid, and meeting the requirements for sterile use in surgical procedures; on the other hand, it prevents the rinsing fluid, blood and tissue debris from adhering to the surface of the second spring 202, avoiding the second spring 202 from rusting, jamming and failure, ensuring that the reciprocating movement of the sealing valve 201 is sensitive and reliable, and stably realizing the opening and closing control of the connecting groove 6002.

[0035] It also includes a protruding rod 20501; four protruding rods 20501 are fixedly connected to the outside of the rotating block 205, and the doctor can easily adjust the rotating block 205 by moving the protruding rods 20501, reducing the time spent on adjustment during the operation and improving the convenience of operation.

[0036] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An intraoperative cooling and anti-adhesion tissue dissection instrument, comprising a connecting line (1); one end of the connecting line (1) is connected to an electrical wire end (1001) and a water supply structure; the other end of the connecting line (1) is fixedly connected to a connector (8); two movable handles (4) are connected to the connector (8); each movable handle (4) is connected to a forceps leg (6); each forceps leg (6) is connected to a forceps tip (7); each movable handle (4) is in communication with the water supply structure; characterized in that, It also includes a fixed sleeve (101) connected to the movable handle (4); a water inlet pipe (102) is fixedly connected inside the fixed sleeve (101); tweezers (6) are fixedly connected to the fixed sleeve (101); the water inlet pipe (102) is inserted into the tweezers (6); a partition plate (104) is fixedly connected inside the fixed sleeve (101); the partition plate (104) divides the fixed sleeve (101) into two chambers: a water inlet chamber and a water return chamber; both the water inlet chamber and the water return chamber are connected to the water supply structure; a first water inlet (10201) is opened at one end of the fixed sleeve (101) of the water inlet pipe (102); the first water inlet (10201) is connected to the water inlet chamber; a space is formed between the water inlet pipe (102) and the tweezers (6). Return channel (6001); Return channel (6001) is connected to return water chamber; The far end outlet of water inlet pipe (102) is connected to return channel (6001); A sliding tube (105) is slidably connected inside water inlet pipe (102), and the sliding tube (105) is connected to water inlet pipe (102); A second water inlet (10501) is opened on the sliding tube (105); A first spring (106) is fixed between sliding tube (105) and water inlet pipe (102); The sliding tubes (105) inside the two water inlet pipes (102) are connected by connecting rope (107); Two limiting rings (10202) are fixed inside water inlet pipe (102) to limit the sliding range of sliding tube (105).

2. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 1, characterized in that, It also includes a spiral blade (103); the spiral blade (103) is fixed to the outside of the water inlet pipe (102), and the outer edge surface of the spiral blade (103) slides in contact with the inner wall of the tweezer leg (6), so that the return groove (6001) forms a spiral guide channel.

3. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 1, characterized in that, It also includes a rubber ring (10502); both ends of the sliding tube (105) are fixed with rubber rings (10502), and the rubber rings (10502) slide close to the inner wall of the water inlet pipe (102).

4. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 1, characterized in that, It also includes a protective sleeve (108); a protective sleeve (108) is fixed to each fixed sleeve (101); and a connecting rope (107) passes through the protective sleeve (108).

5. An intraoperative cooling and anti-adhesion tissue dissection instrument according to any one of claims 1-4, characterized in that, The outer side of the connecting wire (1) is wrapped with a protective rubber sleeve.

6. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 5, characterized in that, The gripping part of the active handle (4) is provided with a textured surface (4001).

7. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 1, characterized in that, It also includes a push rod (109) connected to the sliding tube (105); several micro-holes (6003) are opened on the left side of the tweezer leg (6); a connecting groove (6002) is opened in the tweezer leg (6); all the micro-holes (6003) are connected to the return groove (6001) through the connecting groove (6002); a sealing valve (201) is slidably connected in the connecting groove (6002); a second spring (202) is fixed between the sealing valve (201) and the tweezer leg (6); the push rod (109) faces the sealing valve (201); a limiting component for limiting the clamping angle of the movable handle (4) is connected to the movable handle (4).

8. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 7, characterized in that, The limiting assembly includes a limiting block (204) and a rotating block (205); the two movable handles (4) are fixed to the limiting blocks (204) on opposite sides; the rotating block (205) is threaded onto one of the limiting blocks (204).

9. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 8, characterized in that, It also includes a protective membrane (203); the protective membrane (203) is fixed between the sealing valve (201) and the tweezer leg (6); the second spring (202) is located inside the protective membrane (203).

10. The intraoperative cooling and anti-adhesion tissue dissection instrument according to claim 9, characterized in that, It also includes a protruding rod (20501); several protruding rods (20501) are fixed to the outside of the rotating block (205).

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