Cavity wound flushing device

Abstract

The invention relates to the technical field of medical instruments, in particular to a cavity wound flushing device which comprises a hollow handheld rod, an insertion end, an annular guide rail, an inner rod, a locking piece and the like. Key grooves matched with the hollow handheld rod are formed in the middle of the inserting end and the middle of the rotating block, an inner rod is connected into the hollow handheld rod in a sliding mode, a locking piece used for locking the inserting end is arranged on the lower portion of the inner rod, an injection opening and a suction opening are formed in the inserting end, and the injection opening and the suction opening are communicated with the two inserting holes respectively. The insertion end can penetrate into a wound, the liquid injection pipe is matched with the injection opening in the insertion end, flushing liquid can be injected into the wound to flush and disinfect the wound, the internal area of the wound is thoroughly cleaned, and the wound cleaning and disinfecting effect is improved; fester and flushing fluid can be extracted.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a cavity wound irrigation device. Background Art

[0002] In clinical nursing, when caring for a patient's wound, it is usually necessary to clean and disinfect the wound surface. Traditional cleaning and disinfection methods mainly involve medical staff manually flushing the wound with normal saline, disinfectant solution, etc. Although this method can meet the basic cleaning and disinfection needs to a certain extent, however, for deep wounds with regular or irregular cavity structures, conventional cleaning and disinfection cannot reach deep inside, making it difficult to thoroughly clean the internal area, which may lead to problems such as poor infection control, swelling, poor wound recovery, and poor healing. Moreover, it is easy to contaminate the tissue fluid inside the wound, causing further infection, resulting in the need to use antibiotics to control the infection, and waiting for the patient's own tissue repair mechanism to gradually absorb the inflammatory products and recover, which takes a long time and is not conducive to the patient's recovery. Summary of the Invention

[0003] The purpose of the present invention is to provide a cavity wound irrigation device that can penetrate deep into the wound for cleaning and disinfection in order to solve the above problems.

[0004] The present invention achieves the above purpose through the following technical solutions: A cavity wound irrigation device includes a hollow hand-held rod, an insertion end, an annular guide rail, an inner rod, a rotating block, steel balls, a liquid suction pipe, a liquid injection pipe, a connector, and a locking member. The top of the insertion end is connected to the annular guide rail, and a circular rotating block is rotatably connected inside the annular guide rail. Key grooves matching the hollow hand-held rod are opened in the middle of the insertion end and the rotating block. An inner rod is slidably connected inside the hollow hand-held rod, and a locking member for locking the insertion end is provided at the lower part of the inner rod. Two jacks matching the liquid suction pipe and the liquid injection pipe are symmetrically opened on the rotating block with its key groove as the symmetry center. The liquid suction pipe and the liquid injection pipe are respectively inserted into the two jacks. An injection port and a suction port are opened on the insertion end, and the injection port and the suction port are respectively communicated with the two jacks. A spiral groove located in its key groove is opened on the upper part of the rotating block, and a steel ball located in the spiral groove is connected to the outer wall of the upper part of the hollow hand-held rod. Connectors matching the nipples of the syringe are connected to the tops of the liquid suction pipe and the liquid injection pipe.

[0005] Preferably, the insertion end is cylindrical, and its bottom is arc-shaped.

[0006] Preferably, the outer surface of the insertion end is circumferentially and spacedly provided with inclined thread protrusions.

[0007] Preferably, the suction port includes an annular port, a vertical port, a horizontal port, and an interface. An annular port is opened at the upper part of the insertion end outside the injection port and the key groove. The vertical ports are circumferentially spaced along the upper edge of the insertion end. The vertical ports are located below the annular port and communicate with the annular port. Multiple rows of horizontal ports are circumferentially spaced along the side surface of the insertion end. Each row of horizontal ports corresponds to each vertical port one by one. The horizontal ports communicate with the corresponding vertical ports. Each horizontal port is located in the groove formed by two adjacent inclined thread protrusions. An interface is opened at the upper side of the annular port on the insertion end. The interface communicates with one of the jacks and the annular port.

[0008] Preferably, the locking member includes two sets of telescopic rods I embedded and installed at the lower part of the inner rod. An arc-shaped clamping block is connected to each set of telescopic rods I. A spring I is connected between the arc-shaped clamping block and the inner rod. A clamping groove matching the arc-shaped clamping block is opened on the insertion end. The clamping groove is circular and located in the key groove of the insertion end. Two through grooves are opened at the lower part of the hollow hand-held rod. The through grooves are for the arc-shaped clamping block to move out of the hollow hand-held rod and be clamped into the clamping groove. The through grooves are higher than the arc-shaped clamping block.

[0009] Preferably, a connecting block is connected to the upper part of the outer wall of the hollow hand-held rod. The inner rod passes through the connecting block and is in sliding fit with it. Two peristaltic pumps are symmetrically installed on the connecting block. The liquid suction pipe and the liquid injection pipe are respectively sleeved into the pump heads of the two peristaltic pumps.

[0010] Preferably, elastic arc-shaped clamps are rotatably connected to the outer wall of the hollow hand-held rod at intervals from top to bottom. The elastic arc-shaped clamps are used to support the liquid suction pipe and the liquid injection pipe.

[0011] Preferably, an installation block is connected to the lowermost elastic arc-shaped clamp. A lighting lamp is installed on one side of the installation block away from the lowermost elastic arc-shaped clamp.

[0012] Preferably, a hollow hand-held handle with an open bottom is connected to the side of the connecting block opposite to the peristaltic pump. The upper part of the inner rod is rotatably connected to a hollow pressing handle with an open top. The hollow pressing handle is in sliding fit with the connecting block and the hollow hand-held handle. A telescopic rod II is connected between the hollow pressing handle and the hollow hand-held handle. A spring II is connected between the telescopic rod II and the hollow hand-held handle.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The insertion end of the present invention can penetrate deep into the wound. By cooperating with the injection port on the insertion end through the liquid injection pipe, the flushing liquid can be injected into the wound to flush and disinfect the wound, realizing the thorough cleaning of the internal area of the wound, improving the wound cleaning and disinfection effect. By cooperating with the suction port on the insertion end and the liquid suction pipe, the pus and the flushing liquid can be extracted, realizing the timely extraction of the pus and the flushing liquid inside the wound, avoiding the retention of the pus and the flushing liquid inside the wound, reducing the risk of wound infection, and being beneficial to the healing and recovery of the wound.

[0015] 2. The upward movement of the inner rod can drive the rotating block to drive the liquid extraction pipe and the liquid injection pipe to rotate 180 degrees, so that the liquid injection pipe is connected and communicated with the interface on the suction port, and the liquid extraction pipe is connected and communicated with the injection port. Furthermore, the subsequent cleaning liquid can flow out from the horizontal port of the suction port and spray onto the side of the deep wound, and the subsequent pus and flushing liquid can be extracted outward through the injection port, so as to better clean and disinfect the side of the deep wound and improve the cleaning and disinfection efficiency and effect of the side of the deep wound.

[0016] 3. The locking member can not only facilitate the loading, unloading and replacement of the insertion end, but also quickly load, unload and replace the insertion end to adapt to wounds of different sizes.

[0017] 4. The right peristaltic pump can make the liquid injection pipe transport the flushing liquid to realize the automatic injection of the flushing liquid, and the left peristaltic pump can make the liquid extraction pipe extract the pus and the flushing liquid to realize the automatic extraction of the pus and the flushing liquid. There is no need for medical staff to manually inject the flushing liquid with a syringe and aspirate the pus and the flushing liquid, which improves the degree of automation, reduces the labor intensity of medical staff, and improves the cleaning and disinfection efficiency of the wound. Description of the Drawings

[0018] Figure 1 Schematic three-dimensional structure of the present invention Figure 1 。

[0019] Figure 2 Schematic three-dimensional structure of the present invention Figure 2 。

[0020] Figure 3 Partial schematic three-dimensional structure diagram of the present invention.

[0021] Figure 4 Cross-sectional view of the insertion end of the present invention.

[0022] Figure 5 Connection schematic diagram of the locking member of the present invention.

[0023] Figure 6 Partial structural exploded view of the present invention.

[0024] Figure 7 Schematic three-dimensional structure diagram of the locking member of the present invention.

[0025] Figure 8 Top view of the insertion end and the rotating block of the present invention.

[0026] Figure 9 Connection schematic diagram of the elastic arc-shaped card, the mounting block and the lighting lamp of the present invention.

[0027] Figure 10 Connection schematic diagram of the hollow hand-held handle, the second telescopic rod and the hollow pressing handle of the present invention.

[0028] The labels in the attached drawings are: 1 - hollow hand-held rod, 111 - hollow rod, 112 - key block, 2 - insertion end, 21 - injection port, 22 - suction port, 221 - annular port, 222 - vertical port, 223 - horizontal port, 224 - interface, 23 - key slot, 24 - card slot, 25 - inclined thread projection, 3 - annular guide rail, 31 - inner rod, 4 - rotating block, 41 - spiral groove, 42 - steel ball, 43 - jack, 5 - liquid extraction tube, 6 - liquid injection tube, 7 - joint, 81 - first telescopic rod, 82 - arc-shaped clamping block, 83 - first spring, 84 - through groove, 91 - connecting block, 92 - peristaltic pump, 10 - elastic arc-shaped clamp, 11 - mounting block, 12 - lighting lamp, 13 - hollow hand-held handle, 14 - second telescopic rod, 15 - hollow pressing handle, 16 - second spring. Detailed implementation manners

[0029] The present application will be further described in detail below with reference to the attached drawings. It is necessary to point out here that the following specific implementation manners are only used to further illustrate the present application and should not be construed as limiting the protection scope of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0030] Example 1

[0031] See Figures 1 - 9, A cavity wound irrigation device, comprising a hollow hand-held rod 1, an insertion end 2, an inclined thread protrusion 25, an annular guide rail 3, an inner rod 31, a rotating block 4, steel balls 42, a liquid extraction tube 5, a liquid injection tube 6, a connector 7 and a locking member. The insertion end 2 is cylindrical, and its bottom is arc-shaped to facilitate insertion into the wound. The top of the insertion end 2 is connected with an annular guide rail 3. An annular guide rail 3 is rotatably connected with a circular rotating block 4. Key grooves 23 matching the hollow hand-held rod 1 are opened in the middle of the insertion end 2 and the rotating block 4. The key grooves 23 are double flat key grooves. The hollow hand-held rod 1 includes a hollow rod 111 and a rectangular key block 112. Two rectangular key blocks 112 are symmetrically connected to the lower part of the outer wall of the hollow rod 111 along the circumference. The hollow rod 111 is located in the circular hole of the key groove 23. The two rectangular key blocks 112 are respectively located in the two flat key grooves of the key groove 23. A T-shaped inner rod 31 is slidably connected in the hollow rod 111 of the hollow hand-held rod 1. A locking member for locking the insertion end 2 is provided at the lower part of the inner rod 31. The locking member includes two sets of front and rear telescopic rods one 81 embedded in the lower part of the inner rod 31. The number of each set of telescopic rods one 81 is two. The two telescopic rods one 81 in each set are arranged up and down. An arc-shaped clamping block 82 is connected to each set of telescopic rods one 81. A spring one 83 is sleeved on the telescopic rod one 81. The two ends of the spring one 83 are respectively connected with the arc-shaped clamping block 82 and the inner rod 31. A clamping groove 24 matching the arc-shaped clamping block 82 is opened on the insertion end 2. The clamping groove 24 is circular and is located in the key groove 23 of the insertion end 2. Two front and rear through grooves 84 are opened at the lower part of the hollow rod 111 of the hollow hand-held rod 1. The through grooves 84 are for the arc-shaped clamping block 82 to move out of the hollow rod 111 of the hollow hand-held rod 1 and be clamped into the clamping groove 24. The through grooves 84 are higher than the arc-shaped clamping block 82. Two jacks 43 matching the liquid extraction tube 5 and the liquid injection tube 6 are symmetrically opened on the rotating block 4 with the key groove 23 on it as the symmetry center. The liquid extraction tube 5 is inserted into the left jack 43, and the liquid injection tube 6 is inserted into the right jack 43. The outer surface of the insertion end 2 is provided with inclined thread protrusions 25 at intervals along the circumference. An injection port 21 and a suction port 22 are opened on the insertion end 2. The injection port 21 is located on the right side of the key groove 23 of the insertion end 2 and is communicated with the right jack 43. The suction port 22 includes an annular port 221, a vertical port 222, a horizontal port 223 and an interface 224. An annular port 221 is opened on the upper part of the insertion end 2 and is located outside the injection port 21 and the key groove 23. Four vertical ports 222 are opened on the insertion end 2 at intervals along the circumference. The vertical ports 222 are located on the lower side of the annular port 221 and are communicated with the annular port 221. Four rows of horizontal ports 223 are opened on the side surface of the insertion end 2 at intervals along the circumference. The four rows of horizontal ports 223 correspond to the four vertical ports 222 one by one. The horizontal port 223 is communicated with the corresponding vertical port 222. The number of each row of horizontal ports 223 is three. The three horizontal ports 223 in each row are distributed at intervals from top to bottom. Each horizontal port 223 is located in the groove formed by two adjacent inclined thread protrusions 25. An interface 224 is opened on the insertion end 2 and is located on the upper side of the annular port 221. The interface 224 is located on the left side of the key groove 23.The interface 224 is connected to the left jack 43 and the annular port 221. A spiral groove 41 is formed in the upper part of the rotating block 4 and is located in its keyway 23. Four steel balls 42 are circumferentially and spacedly connected to the outer wall of the upper part of the hollow rod 111 of the hollow hand-held rod 1. The steel balls 42 are located in the spiral groove 41. The tops of the liquid extraction tube 5 and the liquid injection tube 6 are both connected with connectors 7 that match the nipples of the syringe. In specific implementation, insertion ends 2 with different lengths and thicknesses are designed to adapt to wounds of different sizes and depths. The insertion end 2, the annular guide rail 3, the rotating block 4, the steel balls 42, the liquid extraction tube 5 and the liquid injection tube 6 are all for single use to avoid cross-infection.

[0032] Hold the hollow hand-held rod 1 to place the insertion end 2 into the wound. Then insert the syringe filled with the flushing liquid (such as normal saline, iodophor solution, hydrogen peroxide) into the connector 7 on the liquid injection tube 6 to achieve the docking and connection between the syringe filled with the flushing liquid and the liquid injection tube 6. Then insert the empty syringe into the connector 7 on the liquid extraction tube 5 to achieve the docking and connection between the empty syringe and the liquid extraction tube 5. Then push the piston on the syringe filled with the flushing liquid to inject the flushing liquid into the injection port 21 of the insertion end 2 through the liquid injection tube 6. The flushing liquid then flows out from the injection port 21 and is injected into the wound to wash and disinfect the wound. While injecting the flushing liquid, pull the piston on the empty syringe to draw the pus and the flushing liquid in the wound into the liquid extraction tube 5 in sequence through the transverse port 223, the vertical port 222, the annular port 221 and the interface 224. The pus and the flushing liquid in the liquid extraction tube 5 are then drawn into the syringe to achieve the extraction of the pus and the flushing liquid. In this way, this device can not only penetrate deep into the wound to inject the flushing liquid into the wound, but also timely extract the pus and the flushing liquid in the wound, avoid the retention of the pus and the flushing liquid in the wound, achieve the thorough cleaning of the internal area of the wound, improve the cleaning and disinfection effect of the wound, reduce the risk of wound infection, and be conducive to the healing and recovery of the wound. The oblique thread protrusions 25 on the outer surface of the insertion end 2 can effectively increase the contact time between the flushing liquid and the tissue, improve the flushing effect, and can effectively prevent tissue blockage.

[0033] If the side of the deep wound is to be cleaned and disinfected, the inner rod 31 can be moved up with one hand, and the hollow hand-held rod 1 can be fixed with the other hand. The inner rod 31 moves up and pushes the insertion end 2 up through the arc-shaped block 82, so that the rotating block 4 drives the spiral groove 41 to move up. Under the driving action of the steel ball 42, the rotating block 4 drives the liquid extraction tube 5 and the liquid injection tube 6 to rotate 180 degrees, so that the liquid injection tube 6 is docked and connected with the interface 224 on the suction port 22, and the liquid extraction tube 5 is docked and connected with the injection port 21, so that the subsequent cleaning liquid can flow out from the horizontal opening 223 of the suction port 22 and spray to the side of the deep wound, and the subsequent pus and flushing liquid can be drawn out through the injection port 21, so that the side of the deep wound can be better cleaned and disinfected, so as to improve the cleaning and disinfection efficiency and effect of the side of the deep wound. Similarly, moving the inner rod 31 downward can drive the rotating block 4 to drive the liquid extraction tube 5 and the liquid injection tube 6 to reverse 180 degrees and reset.

[0034] After the wound is cleaned and disinfected, the insertion end 2 can be taken out from the wound. If the insertion end 2 of different specifications and sizes is to be replaced according to the size of the wound, the inner rod 31 can be rotated with one hand, and the hollow hand-held rod 1 can be fixed with the other hand. The key block 112 on the hollow hand-held rod 1 cooperates with the key slot 23 on the insertion end 2 to position the insertion end 2 and prevent the insertion end 2 from rotating. The rotation of the inner rod 31 drives the arc block 82 to rotate through the telescopic rod 1 81, and the arc block 82 is squeezed by the through slot 84 on the hollow rod 111, so that the arc block 82 moves into the hollow rod 111 and disengages from the slot 24, thereby releasing the lock on the insertion end 2, and the telescopic rod 1 81 is contracted, and the spring 1 83 is compressed. Then the insertion end 2 can be removed from the hollow hand-held rod 1, and the other insertion end 2 can be connected to the key block 112 of the hollow hand-held rod 1 through the key groove 23 thereon, and the rotating block 4 is then connected to the hollow rod 111 of the hollow hand-held rod 1 through the key groove 23 thereon, and the rotating block 4 is connected to the suction tube 5 and the injection tube 6 through the two sockets 43 thereon, so that the interface 224 on the suction port 22 is connected to the suction tube 5, and the injection port 21 is connected to the injection tube 6. Finally, the inner rod 31 is rotated to make the arc-shaped block 82 rotate to align with the through groove 84. Under the reset action of the spring 1 83, the arc-shaped block 82 is pushed out of the hollow rod 111 of the hollow hand-held rod 1 and is stuck in the groove 24, thereby firmly locking the insertion end 2 on the hollow hand-held rod 1. The operation of installing and removing the insertion end 2 is simple, convenient and fast, which not only facilitates the loading and unloading and replacement of the insertion end 2, but also enables the quick loading and unloading and replacement of the insertion end 2 to improve work efficiency.

[0035] Example 2

[0036] Based on Example 1, see Figures 1 - 2, it further includes a connecting block 91 and a peristaltic pump 92. The upper part of the outer wall of the hollow rod 111 of the hollow hand-held rod 1 is connected with a connecting block 91. The inner rod 31 passes through the connecting block 91 and is in sliding fit with it. Two peristaltic pumps 92 are symmetrically installed on the left and right sides of the front side of the connecting block 91. The liquid suction pipe 5 is sleeved into the pump head of the left peristaltic pump 92, and the liquid injection pipe 6 is sleeved into the pump head of the right peristaltic pump 92. The peristaltic pump 92 is a prior art and will not be elaborated here.

[0037] Put the liquid injection pipe 6 into a container filled with flushing liquid, and put the liquid suction pipe 5 into an empty container. Control the two peristaltic pumps 92 to work. When the right peristaltic pump 92 works, it can squeeze the liquid injection pipe 6 to suck the flushing liquid into the liquid injection pipe 6, and inject the flushing liquid in the liquid injection pipe 6 into the wound through the injection port 21 to flush and disinfect the wound. When the left peristaltic pump 92 works, it can squeeze the liquid suction pipe 5 to suck the pus and flushing liquid in the wound into the liquid suction pipe 5 through the suction port 22, and squeeze out the pus and flushing liquid in the liquid suction pipe 5 into the container for collection. In this way, it is not necessary for medical staff to manually inject flushing liquid and aspirate pus and flushing liquid with a syringe, which can improve the degree of automation, reduce the labor intensity of medical staff, and improve the efficiency of wound cleaning and disinfection.

[0038] See Figure 1 , Figure 2 and Figure 9 , it further includes an elastic arc-shaped clamp 10. Two upper and lower elastic arc-shaped clamps 10 are rotatably connected at intervals from top to bottom on the outer wall of the hollow rod 111 of the hollow hand-held rod 1. The liquid suction pipe 5 and the liquid injection pipe 6 are clamped into the elastic arc-shaped clamp 10. The elastic arc-shaped clamp 10 can support the liquid suction pipe 5 and the liquid injection pipe 6 to prevent the liquid suction pipe 5 and the liquid injection pipe 6 from drooping and affecting the wound flushing work. When the liquid suction pipe 5 and the liquid injection pipe 6 rotate, they push the elastic arc-shaped clamp 10 to rotate together to avoid hindering the rotation of the liquid suction pipe 5 and the liquid injection pipe 6.

[0039] See Figure 9 , an installation block 11 is connected to the lower elastic arc-shaped clamp 10. The installation block 11 is located between the liquid suction pipe 5 and the liquid injection pipe 6. A lighting lamp 12 is installed on the side of the installation block 11 far from the lower elastic arc. The lighting lamp 12 can provide illumination for the wound, improve the visibility of medical staff when flushing the wound, and facilitate medical staff to carefully clean and disinfect the wound.

[0040] See Figure 1 , Figure 2 and Figure 10, further comprising a hollow hand-held handle 13, a second telescopic rod 14, a hollow pressing handle 15 and a second spring 16. The rear side of the connecting block 91 is connected with a hollow hand-held handle 13 with an open bottom. The upper part of the inner rod 31 is rotatably connected with a hollow pressing handle 15 with an open top. The hollow pressing handle 15 is slidably matched with the connecting block 91 and the hollow hand-held handle 13. Three second telescopic rods 14 are connected at intervals from front to back between the hollow pressing handle 15 and the hollow hand-held handle 13. A second spring 16 is sleeved on the second telescopic rod 14. The two ends of the second spring 16 are respectively connected with the second telescopic rod 14 and the hollow hand-held handle 13.

[0041] When it is necessary to move the inner rod 31 upward to drive the rotating block 4 to drive the liquid suction pipe 5 and the liquid injection pipe 6 to rotate, hold the hollow hand-held handle 13 and the hollow pressing handle 15, and press the hollow pressing handle 15 upward. The second telescopic rod 14 will shorten accordingly, and the second spring 16 will be compressed accordingly. The upward movement of the hollow pressing handle 15 drives the upward movement of the inner rod 31 to drive the rotating block 4 to drive the liquid suction pipe 5 and the liquid injection pipe 6 to rotate. Release the hollow pressing handle 15. Under the reset action of the second spring 16, the second telescopic rod 14 is pushed to extend and reset, thereby pushing the hollow pressing handle 15 to drive the inner rod 31 to move downward and reset, so as to drive the rotating block 4 to drive the liquid suction pipe 5 and the liquid injection pipe 6 to reverse and reset. In this way, it is not only convenient to drive the inner rod 31 to move up and down to change the positions of the liquid suction pipe 5 and the liquid injection pipe 6, but also can ensure that the liquid suction pipe 5 and the liquid injection pipe 6 are accurately rotated by 180 degrees to avoid excessive rotation of the liquid suction pipe 5 and the liquid injection pipe 6, affecting the subsequent flushing liquid injection operation and the suction operation of pus and flushing liquid.

[0042] The above embodiments only represent the preferred embodiments of the present invention, and the description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations, improvements and substitutions can be made, and these all belong to the protection scope of the present invention.

Claims

1. A cavity wound flushing device, characterized in that: The invention comprises a hollow hand-held rod (1), an insertion end (2), an annular guide rail (3), an inner rod (31), a rotating block (4), a steel ball (42), a liquid extraction tube (5), a liquid injection tube (6), a joint (7) and a locking piece. The top of the insertion end (2) is connected to the annular guide rail (3), a circular rotating block (4) is rotatably connected inside the annular guide rail (3), a key groove (23) matching the hollow hand-held rod (1) is formed in the middle of the insertion end (2) and the rotating block (4), the inner rod (31) is slidably connected inside the hollow hand-held rod (1), a locking piece for locking the insertion end (2) is provided at the lower part of the inner rod (31), and the rotating block (4) is provided with a key groove (23) on the upper side thereof as a locking piece. Two jacks (43) matching with a liquid extraction tube (5) and a liquid injection tube (6) are symmetrically provided at the symmetrical center. The liquid extraction tube (5) and the liquid injection tube (6) are respectively inserted into the two jacks (43). An injection port (21) and a suction port (22) are provided on the insertion end (2). The injection port (21) and the suction port (22) are respectively connected with the two jacks (43). A spiral groove (41) located in the key groove (23) is provided on the upper part of the rotating block (4). A steel ball (42) located in the spiral groove (41) is connected to the upper part of the outer wall of the hollow hand-held rod (1). The top ends of the liquid extraction tube (5) and the liquid injection tube (6) are both connected with a joint (7) matching with the nipple of the syringe.

2. A cavity wound irrigation device according to claim 1, characterized in that: The insertion end (2) is cylindrical, and its bottom is arc-shaped.

3. A cavity wound irrigation device according to claim 2, characterized in that: The outer surface of the insertion end (2) is provided with oblique thread protrusions (25) at intervals along the circumferential direction.

4. A cavity wound irrigation device according to claim 3, characterized in that: The suction port (22) comprises an annular port (221), a vertical port (222), a horizontal port (223) and an interface (224); the upper portion of the insertion end (2) is provided with an annular port (221) located outside the injection port (21) and the key slot (23); the upper portion of the insertion end (2) is provided with vertical ports (222) spaced apart along the circumferential direction; the vertical ports (222) are located below the annular port (221) and communicate with the annular port (221); the side surface of the insertion end (2) is spaced apart along the circumferential direction; There are multiple rows of horizontal openings (223), each row of horizontal openings (223) corresponds to each vertical opening (222) one by one, the horizontal openings (223) are connected to the corresponding vertical openings (222), each horizontal opening (223) is located in a groove formed by two adjacent oblique thread protrusions (25), and an interface (224) located on the upper side of the annular opening (221) is opened on the insertion end (2), and the interface (224) is connected to one of the insertion holes (43) and the annular opening (221).

5. A cavity wound irrigation device according to claim 4, characterized in that: The locking member comprises two sets of telescopic rods (81) embedded in the lower part of the inner rod (31), each set of telescopic rods (81) is connected with an arc-shaped card block (82), a spring (83) is connected between the arc-shaped card block (82) and the inner rod (31), a card slot (24) matching with the arc-shaped card block (82) is formed on the insertion end (2), the card slot (24) is circular and is located in the key slot (23) of the insertion end (2), and two through slots (84) are formed at the lower part of the hollow hand-held rod (1), the through slots (84) are used for the arc-shaped card block (82) to be moved out of the hollow hand-held rod (1) and inserted into the card slot (24), and the through slots (84) are higher than the arc-shaped card block (82).

6. A cavity wound irrigation device according to claim 5, characterized in that: The upper part of the outer wall of the hollow hand-held rod (1) is connected to a connecting block (91), the inner rod (31) passes through the connecting block (91) and is slidably fitted therewith, two peristaltic pumps (92) are symmetrically mounted on the connecting block (91), and the liquid extraction tube (5) and the liquid injection tube (6) are respectively inserted into the pump heads of the two peristaltic pumps (92).

7. A cavity wound irrigation device according to claim 6, characterized in that: An elastic arc-shaped clamp (10) is rotatably connected to the outer wall of the hollow hand-held rod (1) from top to bottom in an interval manner, and the elastic arc-shaped clamp (10) is used to support the liquid extraction tube (5) and the liquid injection tube (6).

8. A cavity wound irrigation device according to claim 7, characterized in that: The elastic arc-shaped card (10) at the lowest end is connected to a mounting block (11), and a lighting lamp (12) is mounted on a side of the mounting block (11) away from the elastic arc-shaped card (10) at the lowest end.

9. A cavity wound irrigation device according to claim 8, characterized in that: A hollow hand-held handle (13) with an open bottom is connected to the side of the connection block (91) facing away from the peristaltic pump (92); a hollow pressing handle (15) with an open top is rotatably connected to the upper part of the inner rod (31); the hollow pressing handle (15) is slidably matched with the connection block (91) and the hollow hand-held handle (13); a second telescopic rod (14) is connected between the hollow pressing handle (15) and the hollow hand-held handle (13); and a second spring (16) is connected between the second telescopic rod (14) and the hollow hand-held handle (13).

Images