Washing and sucking integrated arthroscope device

Abstract

The utility model provides a flushing and sucking integrated arthroscope device, which comprises an arthroscope main body, an arthroscope sheath, a cable, a liquid inlet tube, a liquid discharge tube and an arthroscope tube, and is characterized in that one end of the arthroscope main body is connected with the cable, the liquid inlet tube and the liquid discharge tube, and the other end of the arthroscope main body is connected with the arthroscope tube; the arthroscope sheath is arranged outside the arthroscope tube in a sleeving manner and is detachably connected with the arthroscope main body through a fixing mechanism, a camera is arranged at the tail end of the arthroscope tube, an adjusting valve is arranged in the arthroscope main body, and the adjusting valve is connected with the liquid inlet tube and the liquid outlet tube; a liquid inlet channel and a liquid outlet channel are arranged in the endoscope sheath and the endoscope tube, the liquid inlet channel and the liquid outlet channel are not communicated with each other, the liquid inlet channel and the liquid outlet channel control liquid inlet and liquid outlet through the adjusting valve, liquid inlet and liquid outlet can be carried out at the same time, liquid inlet or liquid outlet can be carried out independently, liquid inlet and liquid outlet are carried out through different channels, and the operation is convenient. Mutual isolation is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments and equipment, in particular to an arthroscopic device with flushing and suction integrated. Background Art

[0002] The electronic arthroscope is equipped with an electronic imaging device at the front end. It is a rod-shaped instrument used to observe the internal structure of the joint and is used to diagnose and treat joint diseases. It can enter the human joint through a small incision made during surgery. When in use, the endoscope is introduced into the pre-examination area, and the image of the lesion site can be directly viewed, which can help doctors to more comprehensively examine the situation in the cavity and perform inspection and surgery under visual conditions.

[0003] The existing various types of arthroscopes and sheaths are combined using a single liquid channel. When the perfusion fluid is injected through the arthroscope sheath, the perfusion fluid flows in the inner cavity, and the direction of the water flow can only flow in one direction, that is, only liquid can be introduced or discharged at a certain time, and liquid cannot be introduced and discharged at the same time. If this single-channel method is used to flush the inside of the joint, there are problems of low efficiency and long time, and the arthroscope lens will be adhered to dirt during the drainage process.

[0004] The purpose of the utility model is to provide an arthroscopic device with flushing and suction integrated therein, so as to solve the problems mentioned in the above-mentioned background technology. Utility Model Content

[0005] To achieve the above-mentioned purpose, the utility model provides an arthroscopic device with flushing and suction integration, comprising an arthroscopic body, a scope sheath, a cable, a liquid inlet pipe, a liquid discharge pipe, and a scope tube, wherein one end of the arthroscopic body is connected to the cable, the liquid inlet pipe, and the liquid discharge pipe, and the other end is connected to the scope tube, the scope sheath is sleeved on the outside of the scope tube and is detachably connected to the arthroscopic body through a fixing mechanism, a camera is provided at the end of the scope tube, a regulating valve is provided in the arthroscopic body, and the regulating valve is connected to the liquid inlet pipe and the liquid discharge pipe; a liquid inlet channel and a liquid discharge channel are provided in the scope sheath and the scope tube, the liquid inlet channel and the liquid discharge channel are not communicated with each other, and the liquid inlet channel and the liquid discharge channel are controlled by the regulating valve to control liquid inlet and liquid discharge;

[0006] The regulating valve comprises a valve body and a valve core, wherein the valve body is fixedly mounted at one end of the interior of the arthroscopy body, one end of the valve core is rotatably mounted inside the valve body, and the valve core is provided with a plurality of liquid inlet holes and liquid outlet holes;

[0007] The liquid inlet channel includes a channel 1 and a channel 2, the liquid inlet hole is arranged on one side of the valve core, the channel 1 is arranged inside the mirror tube, the channel 1 is connected with the liquid inlet hole, the outer wall of the mirror tube is provided with a liquid outlet hole, the liquid outlet hole is connected with a channel 2, and the channel 2 is arranged between the mirror tube and the end of the mirror sheath;

[0008] The drainage channel includes channel three, which is arranged between the mirror tube and the mirror sheath. The channel three is connected to the drainage hole, and the channel two and the channel three are not connected to each other. The mirror sheath is provided with a plurality of drainage holes.

[0009] As a further improvement of the present invention, a control switch for controlling the camera is provided on the arthroscope body, the control switch is electrically connected to a PCB board, the PCB board is installed in the arthroscope body, and one end of the cable extends into the arthroscope body and is electrically connected to the PCB board.

[0010] As a further improvement of the present invention, the scope sheath includes a sheath tube, a sheath head, and an isolation ring. One end of the sheath tube is fixedly connected to the sheath head, and the isolation ring is installed inside the sheath tube away from one end of the sheath head. The sheath head is detachably connected to the arthroscopy body. The camera is connected to a module line. A flaring tube is provided inside the scope tube. The module line passes through the inside of the flaring tube until it extends out of the valve body and is electrically connected to the PCB board. Channel one is arranged between the scope tube and the flaring tube, and is isolated from channel three by an isolation ring. A plurality of drainage holes are evenly distributed on the outer wall of the sheath tube around the sheath tube. The drainage holes are arranged away from the end of the sheath tube and are connected to channel three.

[0011] As a further improvement of the present invention, one end of the valve core away from the valve body is connected to a fixed joint, the valve core can be rotatably installed between the valve body and the fixed joint, the valve core and the valve body on both sides are respectively connected with the liquid inlet pipe and the liquid discharge pipe, one end of the mirror tube extends into the interior of the arthroscope body and is fixedly connected to the interior of the valve body, one end of the liquid inlet pipe extending into the arthroscope body is sealed and connected with a right-angle joint 1, the other end of the right-angle joint 1 extends into the interior of the valve body and is connected with the liquid inlet hole, one end of the liquid discharge pipe extending into the arthroscope body is sealed and connected with a right-angle joint 2, the right-angle joint 2 extends into the valve body and is connected with the liquid discharge hole on the valve core.

[0012] As a further improvement of the utility model, a liquid channel is provided inside the fixed joint, the liquid channel is communicated with the drainage hole, and the channel three is communicated with the liquid channel.

[0013] As a further improvement of the utility model, an adjusting rod is fixedly installed on the top of the valve core, an arc-shaped through groove for the movement of the adjusting rod is provided on the arthroscopy body, and the liquid inlet hole and the liquid discharge hole on the valve core are staggered on different loops;

[0014] The liquid inlet hole includes an inlet hole 1 and an inlet hole 2, and the liquid discharge hole includes a discharge hole 1 and a discharge hole 2. The discharge hole 2 is parallel to the inlet hole 1 and is on the same ring line as the discharge hole 1, and the inlet hole 2 is parallel to the discharge hole 1 and is on the same ring line as the inlet hole 1.

[0015] As a further improvement of the present invention, both ends of the expanded tube have the same inner diameter as the mirror tube and are fixedly installed inside the mirror tube, one end of the expanded tube is flush with the inside of the mirror tube, and the other end is arranged close to the camera.

[0016] As a further improvement of the present invention, the fixing mechanism also includes a locking wheel and a limit screw. One end of the sheath head is clamped in the inside of the locking wheel. The locking wheel is provided with a spiral groove. A limit hole is provided at the top of the sheath head corresponding to the position of the spiral groove. The limit screw is inserted from the spiral groove and extends to be fixed with the limit hole for limit. A protrusion is provided on the inner wall of the opening of the locking wheel. A limit plate 1 and a limit plate 2 are symmetrically provided on the fixing joint. A slot matching the protrusion is provided on the limit plate 2. A baffle that limits the limit plate 1 and the limit plate 2 is symmetrically provided at the opening of the locking wheel.

[0017] As a further improvement of the utility model, a sealing ring is provided at the connection between the sheath head and the fixed joint, and a damping ring is provided on the outer wall of the sheath head in contact with the locking wheel.

[0018] As a further improvement of the present invention, an arrow symbol is provided on the locking wheel, and an unlocking symbol and a locking symbol are provided on the outer wall of the arthroscopy body.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The utility model is provided with a control valve. When the regulating rod at the top of the valve core is located at the center of the arc-shaped groove on the arthroscope body, the inlet hole 1 and the outlet hole 2 on the valve core are connected with the right-angle joint 1 and the right-angle joint 2 respectively. At this time, liquid flushing and drainage can be carried out at the same time. The flushing liquid is input from the liquid inlet pipe and transported to the channel 1 through the right-angle joint 1 and the inlet hole 1, and finally discharged into the channel 2 from the liquid outlet hole on the mirror tube for discharge. The flushed liquid is then sucked into the drainage pipe by a suction pump. The liquid enters the channel 3 from the several drainage holes on the sheath tube, and then passes through the liquid channel of the fixed joint until it enters the right-angle joint 2 and is discharged from the drainage pipe. Since the position of the drainage hole is far away from the channel 2 at the end of the sheath tube, it can be avoided that the flushing liquid is just discharged The liquid out will be discharged, thereby improving the utilization rate of the flushing liquid, and the isolation ring set inside the sheath can realize the integration of flushing and drainage, and the two can be carried out at the same time, saving operation time. Furthermore, when the valve core pushes the adjusting rod to the side of the liquid inlet pipe, the inlet hole two is connected with the right-angle joint one, and the discharge hole one on the valve core is separated from the right-angle joint two, and the outer wall of the valve core blocks the right-angle joint two. At this time, it is possible to fill in the liquid without discharging it. When the adjusting rod is pushed in the opposite direction, the valve core rotates to connect the discharge hole two with the right-angle joint two. At this time, the outer wall of the valve core blocks the right-angle joint, thereby realizing only discharging the liquid without filling in the liquid. In summary, flushing and drainage can be realized at the same time by rotating the valve core, and separate liquid filling and discharge can be realized, which is highly practical.

[0021] 2. The utility model is provided with a fixing mechanism, which is relatively engaged by aligning the protrusion at the opening of the locking wheel with the slot on the limit plate 2 of the joint 2, at which time the arrow mark on the locking wheel is aligned with the unlocking symbol on the shell, and then the locking wheel is rotated so that the arrow symbol thereon is aligned with the locking symbol on the shell, and at this time the baffle on the locking wheel is pressed and fixed against the limit plate 1 and the limit plate 2 on the joint 2, thereby realizing the connection between the mirror sheath and the shell, with a simple structure, fast and convenient operation, effective cost saving and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of the utility model;

[0023] Figure 2 It is a partial cross-sectional view of the sheath tube and the mirror tube of the utility model;

[0024] Figure 3 It is a schematic diagram of the liquid flow direction of the liquid inlet and liquid discharge of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the valve core of the utility model;

[0026] Figure 5 It is a cross-sectional view of the connection between the sheath head and the locking wheel of the utility model;

[0027] Figure 6It is a three-dimensional structural schematic diagram of the utility model;

[0028] Figure 7 This is a schematic structural diagram of the locking wheel A of the utility model;

[0029] Figure 8 This is a schematic structural diagram of the locking wheel B of the utility model.

[0030] In the figure: 1. Arthroscopy body; 001. Channel 1; 002. Channel 2; 003. Liquid outlet; 004. Channel 3; 005. Drain hole; 006. Drain hole 1; 007. Liquid channel; 008. Inlet hole 1; 009. Inlet hole 2; 011. Drain hole 2; 013. Bump; 014. Slot; 015. Unlock symbol; 016. Arrow symbol; 017. Baffle; 018. Limit plate 1; 019. Lock symbol; 020. Limit plate 2; 101. Drain pipe; 102. Liquid inlet pipe; 103, cable; 104, PCB board; 105, control switch; 106, right-angle connector 1; 107, valve body; 108, valve core; 109, fixed connector; 110, sheath tube; 111, mirror tube; 112, flared tube; 113, sheath head; 114, right-angle connector 2; 115, module line; 116, adjustment rod; 117, camera; 118, isolation ring; 2, mirror sheath; 201, locking wheel; 202, limit screw; 203, sealing ring; 204, damping ring. DETAILED DESCRIPTION

[0031] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0032] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0035] Embodiment 1:

[0036] See also Figure 1-8 The utility model provides an arthroscopic device with flushing and suction, comprising an arthroscopic body 1, a mirror sheath 2, a cable 103, a liquid inlet pipe 102, a liquid discharge pipe 101, and a mirror tube 111, characterized in that: one end of the arthroscopic body 1 is connected to the cable 103, the liquid inlet pipe 102 and the liquid discharge pipe 101, and the other end is connected to the mirror tube 111, the mirror sheath 2 is sleeved on the outside of the mirror tube 111 and is detachably connected to the arthroscopic body 1 through a fixing mechanism, a camera 117 is provided at the end of the mirror tube 111, a regulating valve is provided in the arthroscopic body 1, and the regulating valve is connected to the liquid inlet pipe 102 and the liquid discharge pipe 101; a liquid inlet channel and a liquid discharge channel are provided in the mirror sheath 2 and the mirror tube 111, the liquid inlet channel and the liquid discharge channel are not communicated with each other, and the liquid inlet channel and the liquid discharge channel are controlled by the regulating valve to control liquid inlet and liquid discharge;

[0037] The regulating valve comprises a valve body 107 and a valve core 108. The valve body 107 is fixedly mounted on one end of the interior of the arthroscopy body 1. One end of the valve core 108 is rotatably mounted inside the valve body 107. The valve core 108 is provided with a plurality of liquid inlet holes and liquid outlet holes.

[0038] The liquid inlet channel includes a channel 1 001 and a channel 2 002. The liquid inlet hole is arranged on one side of the valve core 108. The channel 1 001 is arranged inside the mirror tube 111. The channel 1 001 is connected with the liquid inlet hole. The outer wall of the mirror tube 111 is provided with a liquid outlet hole 003. The liquid outlet hole 003 is connected with the channel 2 002. The channel 2 002 is arranged between the mirror tube 111 and the end of the mirror sheath 2.

[0039] The drainage channel includes channel three 004, which is arranged between the mirror tube 111 and the mirror sheath 2, and is connected to the drainage hole. The channel two 002 and the channel three 004 are not connected to each other. The mirror sheath 2 is provided with a plurality of drainage holes 005.

[0040] The arthroscope body 1 is provided with a control switch 105 for controlling the camera 117 . The control switch 105 is electrically connected to a PCB board 104 . The PCB board 104 is installed in the arthroscope body 1 . One end of the cable 103 extends into the arthroscope body 1 and is electrically connected to the PCB board 104 .

[0041] The scope sheath 2 includes a sheath tube 110, a sheath head 113, and an isolation ring 118. One end of the sheath tube 110 is fixedly connected to the sheath head 113, and the isolation ring 118 is installed inside the sheath tube 110 away from one end of the sheath head 113. The sheath head 113 is detachably connected to the arthroscopic body 1. The camera 117 is connected to a module line 115. A flaring tube 112 is provided inside the scope tube 111. The module line 115 passes through the flaring tube 112 until it extends out of the valve body 107 and is electrically connected to the PCB board 104. The channel one 001 is arranged between the scope tube 111 and the flaring tube 112, and is isolated from the channel three 004 by the isolation ring 118. A plurality of drainage holes 005 are evenly distributed on the outer wall of the sheath tube 110 around the sheath tube 110. The drainage holes 005 are arranged away from the end of the sheath tube 110 and are connected to the channel three 004.

[0042] One end of the valve core 108 away from the valve body 107 is connected to a fixed joint 109, and the valve core 108 can be rotatably installed between the valve body 107 and the fixed joint 109, the valve core 108 and the valve body 107 are respectively connected to the liquid inlet pipe 102 and the liquid discharge pipe 101, one end of the mirror tube 111 extends into the interior of the arthroscope body 1 and is fixedly connected to the interior of the valve body 107, one end of the liquid inlet pipe 102 extends into the arthroscope body 1 and is sealed with a right-angle joint 106, the other end of the right-angle joint 106 extends into the interior of the valve body 107 and is connected to the liquid inlet hole, one end of the liquid discharge pipe 101 extends into the arthroscope body 1 and is sealed with a right-angle joint 2 114, the right-angle joint 2 114 extends into the valve body 107 and is connected to the liquid discharge hole on the valve core 108.

[0043] A liquid channel 007 is provided inside the fixed joint 109 , and the liquid channel 007 is communicated with the drainage hole, and the channel three 004 is communicated with the liquid channel 007 .

[0044] An adjusting rod 116 is fixedly mounted on the top of the valve core 108, and an arc-shaped through groove for the adjusting rod 116 to move is provided on the arthroscopy body 1, and the liquid inlet holes and the liquid outlet holes on the valve core 108 are staggeredly arranged on different loops;

[0045] The liquid inlet holes include an inlet hole 1 008 and an inlet hole 2 009, and the liquid discharge holes include a discharge hole 1 006 and a discharge hole 2 011. The discharge hole 2 011 is parallel to the inlet hole 1 008 and is on the same ring line as the discharge hole 1 006, and the inlet hole 2 009 is parallel to the discharge hole 1 006 and is on the same ring line as the inlet hole 1 008.

[0046] Both ends of the flared tube 112 have the same inner diameter as the mirror tube 111 and are fixedly installed inside the mirror tube 111 . One end of the flared tube 112 is flush with the inside of the mirror tube 111 , and the other end is arranged close to the camera 117 .

[0047] When in use, when the adjustment rod 116 at the top of the valve core 108 is located at the center of the arc groove on the arthroscope body 1, the inlet hole 1008 and the outlet hole 2011 on the valve core 108 are connected to the right-angle joint 106 and the right-angle joint 2 114 respectively. At this time, liquid flushing and drainage can be carried out at the same time. The flushing liquid is input from the inlet pipe 102 and transported to the channel 1 001 through the right-angle joint 106 and the inlet hole 1008, and finally discharged from the outlet hole 003 on the mirror tube 111 into the channel 2 002 for discharge. The flushed liquid is then sucked into the drain pipe 101 by the suction pump, and the liquid is discharged from the sheath The plurality of drainage holes 005 on the tube 110 enter into the channel 3 004, and then pass through the liquid channel 007 of the fixed joint 109 until entering the right-angle joint 2 114 and then discharged from the drainage pipe 101. Since the drainage holes 005 are located away from the channel 2 002 at the end of the sheath tube 110, it can be avoided that the flushing liquid is drained away just after it is discharged, thereby improving the utilization rate of the flushing liquid. The separate channels between the two are used to transport and discharge the liquid, and the liquid mixing and contamination of the equipment are avoided. The isolation ring 118 set inside the sheath tube 110 can realize the integration of flushing and drainage, and the two are carried out at the same time, which saves During the operation, further, when the valve core 108 pushes the regulating rod 116 toward one side of the liquid inlet pipe 102, the second inlet hole 009 is connected with the right-angle joint 106, and the discharge hole 1006 on the valve core 108 is separated from the right-angle joint 114. The outer wall of the valve core 108 blocks the right-angle joint 114, so that liquid can be discharged without discharge. When the regulating rod 116 is pushed in the opposite direction, the valve core 108 rotates to the discharge hole 011 and the right-angle joint 114 are connected. At this time, the outer wall of the valve core 108 blocks the right-angle joint 106, so that liquid can be discharged without entering. In summary, through Rotating the valve core 108 can realize flushing and drainage at the same time, and can also realize separate liquid intake and discharge, which is highly practical. The control switch 105 is used to control the camera 117 to take pictures, which is convenient for observing the condition of the patient's affected area. The two ends of the expanded tube 112 are fixedly fitted with the inner wall of the mirror tube 111. The diameter of the expanded tube 112 is smaller than the diameter of the mirror tube 111 to facilitate the passage of liquid. Since the two ends of the expanded tube 112 are the same size as the inner diameter of the mirror tube 111, they can act as blockages to prevent liquid from flowing from the two ends of the mirror tube 111 to the inside of the arthroscope body 1 and the camera 117, damaging the equipment.

[0048] Embodiment 2:

[0049] See also Figure 5-8The fixing mechanism also includes a locking wheel 201 and a limiting screw 202. One end of the sheath head 113 is clamped in the interior of the locking wheel 201. A spiral groove is provided on the locking wheel 201. A limiting hole is provided at the top of the sheath head 113 corresponding to the position of the spiral groove. The limiting screw 202 is inserted from the spiral groove and extends to be fixed with the limiting hole for limiting position. A protrusion 013 is provided on the inner wall of the opening of the locking wheel 201. A limiting plate 1 018 and a limiting plate 2 020 are symmetrically provided on the fixing joint 109. A slot 014 matching the protrusion 013 is provided on the limiting plate 2 020. A baffle 017 for limiting the limiting plate 1 018 and the limiting plate 2 020 is symmetrically provided at the opening of the locking wheel 201.

[0050] A sealing ring 203 is provided at the connection between the sheath head 113 and the fixed joint 109 , and a damping ring 204 is provided on the outer wall of the sheath head 113 in contact with the locking wheel 201 .

[0051] The locking wheel 201 is provided with an arrow symbol 016 , and the outer wall of the arthroscopy body 1 is provided with an unlocking symbol 015 and a locking symbol 019 .

[0052] By aligning the protrusion 013 at the opening of the locking wheel 201 with the slot 014 on the limit plate 2 020 of the joint 2 and engaging them relatively, the arrow mark on the locking wheel 201 is aligned with the unlocking symbol 015 on the shell, and then rotating the locking wheel 201 so that the arrow symbol 016 thereon is aligned with the locking symbol 019 on the shell, and the baffle plate 017 on the locking wheel 201 is pressed and fixed against the limit plate 1 018 and the limit plate 2 020 on the joint 2, thereby connecting the mirror sheath 2 to the shell, with a simple structure, fast and convenient operation, effective cost saving and strong practicality. In this embodiment, a sealing ring 203 is provided between the sheath head 113 and the joint 2 to increase the sealing performance and prevent liquid leakage, and a damping ring 204 is provided between the sheath head 113 and the locking wheel 201 to prevent looseness during rotation.

[0053] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An arthroscopic device with flushing and suction, comprising an arthroscopic body (1), a sheath (2), a cable (103), a liquid inlet pipe (102), a liquid discharge pipe (101), and a mirror tube (111), characterized in that: One end of the arthroscope body (1) is connected to the cable (103) and the liquid inlet pipe (102) and the liquid discharge pipe (101), and the other end is connected to the mirror tube (111); the mirror sheath (2) is sleeved on the outside of the mirror tube (111) and is detachably connected to the arthroscope body (1) through a fixing mechanism; a camera (117) is provided at the end of the mirror tube (111); a regulating valve is provided in the arthroscope body (1), and the regulating valve is connected to the liquid inlet pipe (102) and the liquid discharge pipe (101); a liquid inlet channel and a liquid discharge channel are provided in the mirror sheath (2) and the mirror tube (111); the liquid inlet channel and the liquid discharge channel are not connected to each other, and the liquid inlet channel and the liquid discharge channel are controlled by the regulating valve to control liquid inlet and liquid discharge; The regulating valve comprises a valve body (107) and a valve core (108); the valve body (107) is fixedly mounted on one end of the interior of the arthroscopy body (1); one end of the valve core (108) is rotatably mounted inside the valve body (107); and a plurality of liquid inlet holes and liquid outlet holes are provided on the valve core (108); The liquid inlet channel comprises a channel 1 (001) and a channel 2 (002); the liquid inlet hole is arranged on one side of the valve core (108); the channel 1 (001) is arranged inside the mirror tube (111); the channel 1 (001) is connected to the liquid inlet hole; the outer wall of the mirror tube (111) is provided with a liquid outlet hole (003); the liquid outlet hole (003) is connected to the channel 2 (002); the channel 2 (002) is arranged between the mirror tube (111) and the end of the mirror sheath (2); The drainage channel comprises a channel three (004), the channel three (004) is arranged between the mirror tube (111) and the mirror sheath (2), the channel three (004) is connected to the drainage hole, the channel two (002) and the channel three (004) are not connected to each other, and the mirror sheath (2) is provided with a plurality of drainage holes (005).

2. The flushing and suction-integrated arthroscopic device according to claim 1, characterized in that: The arthroscope body (1) is provided with a control switch (105) for controlling the camera (117); the control switch (105) is electrically connected to a PCB board (104); the PCB board (104) is installed in the arthroscope body (1); one end of the cable (103) extends into the arthroscope body (1) and is electrically connected to the PCB board (104).

3. The flushing and suction-integrated arthroscopic device according to claim 2, characterized in that: The scope sheath (2) comprises a sheath tube (110), a sheath head (113), and an isolating ring (118); one end of the sheath tube (110) is fixedly connected to the sheath head (113); the isolating ring (118) is installed inside the sheath tube (110) away from one end of the sheath head (113); the sheath head (113) is detachably connected to the arthroscopy body (1); the camera head (117) is connected to a module line (115); a flaring tube (112) is provided inside the scope tube (111); the module line (115) is connected from the camera head (117) to the arthroscopy body (117); The flared tube (112) passes through the interior until it extends out of the valve body (107) and is electrically connected to the PCB board (104); the channel one (001) is arranged between the mirror tube (111) and the flared tube (112), and is isolated from the channel three (004) by an isolation ring (118); a plurality of drainage holes (005) are evenly distributed on the outer wall of the sheath tube (110); the drainage holes (005) are arranged away from the end of the sheath tube (110) and are connected to the channel three (004).

4. The flushing and suction-integrated arthroscopic device according to claim 3, characterized in that: One end of the valve core (108) away from the valve body (107) is connected to a fixed joint (109), and the valve core (108) is rotatably installed between the valve body (107) and the fixed joint (109). The valve core (108) and the valve body (107) are respectively connected to the liquid inlet pipe (102) and the liquid outlet pipe (101). One end of the mirror tube (111) extends into the interior of the arthroscope body (1) and is connected to the internal fixed joint of the valve body (107). The liquid inlet pipe (102) extends into the arthroscope body (1) and is sealedly connected to a right angle joint (106) at one end, and the other end of the right angle joint (106) extends into the interior of the valve body (107) and is connected to the liquid inlet hole; the liquid discharge pipe (101) extends into the arthroscope body (1) and is sealedly connected to a right angle joint (114) at one end, and the right angle joint (114) extends into the valve body (107) and is connected to the liquid discharge hole on the valve core (108).

5. The flushing and suction-integrated arthroscopic device according to claim 4, characterized in that: A liquid channel (007) is provided inside the fixed joint (109), the liquid channel (007) is communicated with the liquid discharge hole, and the channel three (004) is communicated with the liquid channel (007).

6. The flushing and suction-integrated arthroscopic device according to claim 4, characterized in that: An adjusting rod (116) is fixedly mounted on the top of the valve core (108); an arc-shaped through groove for movement of the adjusting rod (116) is provided on the arthroscopy body (1); and the liquid inlet and the liquid outlet on the valve core (108) are staggeredly arranged on different loops; The liquid inlet hole includes an inlet hole 1 (008) and an inlet hole 2 (009), and the liquid discharge hole includes a discharge hole 1 (006) and a discharge hole 2 (011), wherein the discharge hole 2 (011) is parallel to the inlet hole 1 (008) and is on the same loop line as the discharge hole 1 (006), and the inlet hole 2 (009) is parallel to the discharge hole 1 (006) and is on the same loop line as the inlet hole 1 (008).

7. The flushing and suction-integrated arthroscopic device according to claim 3, characterized in that: Both ends of the flared tube (112) have the same inner diameter as the mirror tube (111) and are fixedly mounted inside the mirror tube (111); one end of the flared tube (112) is flush with the inside of the mirror tube (111), and the other end is arranged close to the camera (117).

8. The flushing and suction-integrated arthroscopic device according to claim 4, characterized in that: The fixing mechanism also includes a locking wheel (201) and a limiting screw (202); one end of the sheath head (113) is clamped inside the locking wheel (201); a spiral groove is provided on the locking wheel (201); a limiting hole is provided at the top of the sheath head (113) corresponding to the position of the spiral groove; the limiting screw (202) is inserted from the spiral groove and extends to be fixed with the limiting hole for limiting; a protrusion (013) is provided on the inner wall of the opening of the locking wheel (201); a limiting plate 1 (018) and a limiting plate 2 (020) are symmetrically provided on the fixing joint (109); a slot (014) matching the protrusion (013) is provided on the limiting plate 2 (020); and a baffle (017) for limiting the limiting plate 1 (018) and the limiting plate 2 (020) is symmetrically provided at the opening of the locking wheel (201).

9. The flushing and suction-integrated arthroscopic device according to claim 8, characterized in that: A sealing ring (203) is provided at the connection point between the sheath head (113) and the fixed joint (109), and a damping ring (204) is provided on the outer wall of the sheath head (113) in contact with the locking wheel (201).

10. The flushing and suction-integrated arthroscopic device according to claim 8, characterized in that: The locking wheel (201) is provided with an arrow symbol (016), and the outer wall of the arthroscopy body (1) is provided with an unlocking symbol (015) and a locking symbol (019).

Images