Aqueous fluid sampling and anterior chamber forming device in cataract surgery

Abstract

The invention discloses an aqueous humor sampling and anterior chamber forming device in a cataract surgery, and relates to the technical field of cataract surgery auxiliary instruments. The aqueous humor sampling and anterior chamber forming device in the cataract surgery comprises a base, the top of the base is fixedly connected with a support, the top of the support is fixedly connected with a bearing plate, and the top of the bearing plate is detachably connected with a first injector and a second injector through a clamping mechanism; a positioning mechanism for positioning the first injector and the second injector is arranged at the top of the bearing plate, the first injector comprises a first barrel and a first piston, and the second injector comprises a second barrel and a second piston. According to the aqueous humor sampling and anterior chamber forming device in the cataract operation, the speed and amount of extraction and injection are convenient to control, an operator can be reminded in time when the head of the liquid extraction pipe and the head of the liquid injection pipe are blocked by tissue, damage to eye tissue is avoided, and the operation effect is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of auxiliary instruments for cataract surgery, in particular to a device for collecting aqueous humor and shaping anterior chamber during cataract surgery. Background Art

[0002] In cataract surgery, the collection of aqueous humor (also called anterior chamber fluid or aqueous humor) and the shaping of the anterior chamber are one of the key steps, which are used to collect aqueous humor and achieve anterior chamber shaping. Aqueous humor extraction: The doctor uses a device to place a catheter in the anterior chamber area of ​​the patient's eye and controls the speed and amount of aqueous humor extraction through a syringe. The syringe gently extracts the aqueous humor through the principle of negative pressure to reduce interference with the intraocular structure; anterior chamber shaping: After extracting the aqueous humor, the doctor can use the same catheter or another special tool to inject an appropriate amount of saline or antibiotic solution into the anterior chamber area to achieve anterior chamber shaping. This step is to maintain intraocular pressure and provide a better field of view and operating space.

[0003] However, when using the existing aqueous humor sampling and anterior chamber shaping devices during cataract surgery, the doctor needs to control the syringe, which is not convenient and fast enough. At the same time, it is not easy to control the speed and amount of extraction and injection. Moreover, during extraction and injection, the head of the catheter is easily blocked by the tissue of the eye. If extraction or injection continues, it is easy to cause damage to the eye tissue, thereby affecting the effect of the operation. Summary of the Invention

[0004] The purpose of the present invention is to provide a device for aqueous humor sampling and anterior chamber shaping during cataract surgery to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for aqueous humor sampling and anterior chamber shaping during cataract surgery, comprising a base, the top of the base is fixedly connected to a support, and the top of the support is fixedly connected to a carrying plate, the top of the carrying plate is detachably connected to a first syringe and a second syringe through a clamping mechanism, and the top of the carrying plate is provided with a positioning mechanism for positioning the first syringe and the second syringe, the first syringe comprises a first barrel and a first piston, and the second syringe comprises a second barrel and a second piston, the needle fixing sleeve of the first syringe is provided with a first connecting tube, and a first one-way valve is provided in the first connecting tube, the other end of the first connecting tube is fixedly connected to a first hose, and the other end of the first hose is fixedly connected to a liquid extraction tube, the top of the base is provided with a collecting tank, and the side wall of the first barrel is fixed It is connected to a collecting tube, a second one-way valve is provided in the collecting tube, and the other end of the collecting tube is detachably connected to the top of the collecting tank, the needle fixing sleeve of the second syringe is provided with a second connecting tube, and a third one-way valve is provided in the second connecting tube, the other end of the second connecting tube is fixedly connected to a second hose, and the other end of the second hose is fixedly connected to an injection tube, a liquid storage tank is provided on the top of the base, and a liquid supply tube is fixedly connected to the side wall of the second cylinder, a fourth one-way valve is provided in the liquid supply tube, and the other end of the liquid supply tube is detachably connected to the top of the liquid storage tank, the top of the supporting plate is connected to the first movable plate through a movable mechanism, and the side wall of the first movable plate is fixedly connected to an L-shaped card plate, and the side walls of the first cylinder and the second cylinder are provided with a reminder mechanism for reminding when the heads of the liquid extraction tube and the injection tube are blocked.

[0006] Preferably, the positioning mechanism includes a baffle fixedly connected to the top of the carrying plate, and a slot is provided on the top of the carrying plate.

[0007] Preferably, the reminder mechanism includes a first moving rod inserted in the top of the first cylinder, and a second moving rod inserted in the top of the second cylinder, the first moving rod and the second moving rod are respectively connected to the first cylinder and the second cylinder through a first reset mechanism, and the top of the baffle is fixedly connected to two symmetrically arranged first support plates, the side wall of the first support plate is rotatably connected to the rotating plate through a rotating shaft, and the side wall of the rotating plate is fixedly connected to the sensing block, the side wall of the first support plate is fixedly connected to the L-shaped plate, and the side wall of the L-shaped plate is fixedly connected to the proximity switch, and the rotation of the rotating shaft is driven by a driving mechanism.

[0008] Preferably, the driving mechanism includes a gear fixedly mounted on the side wall of the rotating shaft, and the side wall of the first support plate is connected to a rack through a second reset mechanism. The rack is meshed with the gear, and the movement of the rack is driven by a pushing mechanism.

[0009] Preferably, the first reset mechanism includes two symmetrically arranged moving blocks fixedly connected to the top of the first moving rod and the second moving rod, and the side wall of each moving block is fixedly connected to the second moving plate, the bottom of each second moving plate is fixedly connected to two symmetrically arranged first sleeve rods, and the side walls of the first sleeve rods are sleeved with first sleeves, the lower ends of the first sleeves are fixed to the tops of the first cylinder and the second cylinder, and the side walls of each first sleeve are sleeved with first springs.

[0010] Preferably, the second reset mechanism includes two symmetrically arranged connecting blocks fixedly connected to the side walls of the first support plate, and the opposite side walls of the two connecting blocks are fixedly connected to two symmetrically arranged guide rods, the side wall of each guide rod is provided with a slider, and the slider is fixed to the side wall of the rack, and the side wall of each guide rod is provided with a second spring.

[0011] Preferably, the pushing mechanism includes a first connecting plate fixedly connected to the side wall of the rack, and the side wall of the first connecting plate is fixedly connected to a mounting plate, the side wall of the mounting plate is fixedly connected to two symmetrically arranged V-shaped blocks, and the two moving blocks are respectively inserted in the two V-shaped blocks.

[0012] Preferably, the clamping mechanism comprises two symmetrically arranged arc-shaped plates, a second connecting plate is fixedly connected between the two arc-shaped plates, and a lifting mechanism is provided between the arc-shaped plates and the supporting plate.

[0013] Preferably, the lifting mechanism includes a second rod fixedly connected to the bottom of the arc-shaped plate, and the side wall of the second rod is sleeved with a second sleeve, the lower end of the second sleeve is fixed to the top of the supporting plate, and the bottom of the arc-shaped plate is rotatably connected to a first threaded rod, the side wall of the first threaded rod is threadedly connected to a first threaded tube, and the lower end of the first threaded tube is fixed to the top of the supporting plate, the top of the arc-shaped plate is fixedly connected to a first motor, and the output end of the first motor is fixed to the upper end of the first threaded rod.

[0014] Preferably, the moving mechanism includes a fixed plate fixedly connected to the top of the supporting plate, and the side wall of the fixed plate is fixedly connected to a third rod, the side wall of the third rod is sleeved with a third sleeve, the other end of the third sleeve is fixed to the side wall of the first movable plate, and the side wall of the fixed plate is rotatably connected to a second threaded rod, the side wall of the second threaded rod is threadedly connected to a second threaded tube, and the other end of the second threaded tube is fixed to the side wall of the first movable plate, the side wall of the fixed plate is fixedly connected to a second motor, and the output end of the second motor is fixed to one end of the second threaded rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The device for aqueous humor sampling and anterior chamber shaping during cataract surgery is provided with a clamping mechanism, etc., and during surgery, the first syringe and the second syringe are first placed on the carrier plate, so that the ends of the first syringe and the second syringe are against the positioning mechanism, and at the same time, the finger hook portion is inserted into the slot, and the pressing hand is inserted into the clamping plate, then the first motor is started, and the rotation of the first motor drives the rotation of the first threaded rod, thereby driving the two arc-shaped plates to move downward and against the side walls of the first syringe and the second syringe, so as to facilitate clamping and fixing the first syringe and the second syringe; by providing the moving mechanism, etc., during cataract surgery, the doctor will cut an incision between the cornea and the sclera, and then place the liquid extraction tube in the anterior chamber area through the incision, and then start the second motor, and the rotation of the second motor drives the rotation of the second threaded rod, thereby driving the first movable plate to move in the direction close to the fixed plate, and then driving the first piston to move in the direction away from the first cylinder, and at the same time, the second piston to move in the direction away from the second cylinder, at this time, negative pressure is generated in both the first cylinder and the second cylinder, and at the same time, the first one-way valve and the fourth one-way valve are opened, and the first one-way valve is opened. The second one-way valve and the third one-way valve are closed. At this time, aqueous humor can be extracted through the extraction tube and temporarily stored in the first cylinder through the first hose and the first connecting tube. At the same time, the physiological saline or antibiotic solution in the storage tank is extracted into the second cylinder through the liquid supply tube. After the aqueous humor is extracted, the extraction tube is taken out and the injection tube is placed in the anterior chamber area through the incision. Then, the first piston is driven to move into the first cylinder by the moving mechanism, and the second piston is driven to move into the second cylinder, which can squeeze the aqueous humor in the first cylinder. At the same time, the first one-way valve is closed and the second one-way valve is opened. , so that the aqueous humor in the first cylinder can be squeezed into the collection tank through the collection tube for collection, which is convenient for sampling and testing. At the same time, the physiological saline or antibiotic solution temporarily stored in the second cylinder is squeezed by the second piston. At the same time, the third one-way valve is opened and the fourth one-way valve is closed. At this time, the physiological saline or antibiotic solution temporarily stored in the second cylinder is squeezed out and injected into the anterior chamber area through the second connecting tube, the second hose and the injection tube, thereby forming the anterior chamber. It is more convenient and quick to use, and it is easy to control the speed and amount of extraction and injection to ensure the effect of the operation;By setting a reminder mechanism, etc., during surgery, when water is pumped from the anterior chamber area, the first piston moves in the direction away from the first cylinder, and at the same time, the first one-way valve opens and the second one-way valve closes. When the head of the suction tube is blocked by tissue, the negative pressure in the first cylinder will gradually increase, thereby enabling the first moving rod and the moving block to move downward. At the same time, the first spring is compressed. At the same time, when the moving block moves downward, it will resist the lower inclined surface of the V-shaped block, thereby pushing the mounting plate to move in the direction close to the first support plate, and pushing the rack to move through the first connecting plate. When the rack moves, it pushes the gear and the rotating shaft to rotate, thereby driving the rotating plate to move. Rotate clockwise until the proximity switch fails to detect the sensor block, and the indicator light goes out to alert the operator, thus preventing damage to eye tissue. Similarly, when injecting saline or antibiotic solution, if the tip of the injection tube is blocked by tissue, the second piston continues to move into the second cylinder, pushing the second movable rod and movable block upward, allowing the movable block to abut against the upper inclined surface of the V-shaped block, and also pushing the mounting plate toward the first support plate. This also causes the rotating plate to rotate clockwise. When the proximity switch fails to detect the sensor block, the indicator light goes out to alert the operator, thus preventing damage to eye tissue and ensuring the effectiveness of the surgery. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective; Figure 3 for Figure 1 Schematic diagram of the enlarged structure at A in the middle; Figure 4 for Figure 1 Schematic diagram of the enlarged structure at B in the middle; Figure 5 for Figure 2 Schematic diagram of the enlarged structure at C in the middle; Figure 6 for Figure 4 Schematic diagram of the enlarged structure at D in the middle; Figure 7 for Figure 6 Schematic diagram of the enlarged structure at E in the middle.

[0017] 1. Base; 2. Reminding mechanism; 201. First moving rod; 202. Second moving rod; 203. Support plate; 204. Rotating shaft; 205. Rotating plate; 206. Sensing block; 207. L-shaped plate; 208. Proximity switch; 3. First reset mechanism; 301. Moving block; 302. Second moving plate; 303. First set of rods; 304. First sleeve; 305. First spring; 4. Driving mechanism; 401. Gear; 402. Rack; 5. Second reset mechanism; 501. Connecting block; 502. Guide rod; 503. Slider; 504. Second spring; 6. Pushing mechanism; 601. First connecting plate; 602. Mounting plate; 603. V-shaped block; 7. Clamping mechanism; 701. Arc plate; 702. Second connecting plate; 8. Lifting mechanism; 801. Second set of rods; 802. Second Casing; 803, first threaded rod; 804, first threaded tube; 805, first motor; 9, moving mechanism; 901, fixed plate; 902, third casing; 903, third sleeve rod; 904, second threaded tube; 905, second threaded rod; 906, second motor; 10, positioning mechanism; 1001, baffle; 1002, slot; 11, support; 12, bearing plate; 13, first connecting tube; 15, first syringe; 1501, first cylinder; 1502, first piston; 16, second syringe; 1601, second cylinder; 1602, second piston; 17, second connecting tube; 18, first hose; 19, liquid extraction tube; 20, second hose; 21, liquid injection tube; 22, collecting tube; 23, collecting tank; 24, liquid storage tank; 25, liquid supply tube; 26, first moving plate; 27, clamping plate. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 7The present invention provides a technical solution: a device for aqueous humor sampling and anterior chamber shaping during cataract surgery, comprising a base 1, a support 11 being fixedly connected to the top of the base 1, and a carrier plate 12 being fixedly connected to the top of the carrier plate 12, a first syringe 15 and a second syringe 16 being detachably connected to the top of the carrier plate 12 via a clamping mechanism 7, and a positioning mechanism 10 for positioning the first syringe 15 and the second syringe 16 being provided on the top of the carrier plate 12, the first syringe 15 comprising a first barrel 1501 and a first piston 1502, and the second syringe 16 comprising a second barrel 1601 and a second piston 1602 The needle fixing sleeve of the first syringe 15 is provided with a first connecting tube 13, and a first one-way valve is provided in the first connecting tube 13. The conducting direction of the first one-way valve is from the first hose 18 to the first cylinder 1501. The other end of the first connecting tube 13 is fixedly connected to the first hose 18, and the other end of the first hose 18 is fixedly connected to the liquid extraction tube 19. A collecting tank 23 is provided on the top of the base 1, and a collecting tube 22 is fixedly connected to the side wall of the first cylinder 1501. A second one-way valve is provided in the collecting tube 22. The conducting direction of the second one-way valve is from the first cylinder 1501 to the collecting tank 23, and the other end of the collecting tube 22 is connected to the collecting tank 23. The top of the tank 23 is detachably connected, the needle fixing sleeve of the second syringe 16 is provided with a second connecting tube 17, and a third one-way valve is provided in the second connecting tube 17, the conducting direction of the third one-way valve is from the second cylinder 1601 to the second hose 20, the other end of the second connecting tube 17 is fixedly connected to the second hose 20, and the other end of the second hose 20 is fixedly connected to the injection tube 21, a liquid storage tank 24 is provided on the top of the base 1, and a liquid supply pipe 25 is fixedly connected to the side wall of the second cylinder 1601, a fourth one-way valve is provided in the liquid supply pipe 25, and the conducting direction of the fourth one-way valve is from the liquid storage tank 24 to the second cylinder 1601, and the supply pipe 25 is fixedly connected to the liquid supply pipe 25. The other end of the liquid tube 25 is detachably connected to the top of the liquid storage tank 24. The top of the supporting plate 12 is connected to the first movable plate 26 through the movable mechanism 9, and the side wall of the first movable plate 26 is fixedly connected to the L-shaped clamping plate 27. The side walls of the first cylinder 1501 and the second cylinder 1601 are provided with a reminder mechanism 2 for reminding when the heads of the liquid extraction tube 19 and the liquid injection tube 21 are blocked, which is convenient for controlling the speed and amount of extraction and injection, and can promptly remind the operator when the heads of the liquid extraction tube 19 and the liquid injection tube 21 are blocked by tissue, so as to avoid damage to the tissue of the eye and ensure the effect of the operation.

[0020] The positioning mechanism 10 includes a baffle 1001 fixedly connected to the top of the carrier plate 12 , and a slot 1002 is provided on the top of the carrier plate 12 to facilitate positioning of the first syringe 15 and the second syringe 16 .

[0021] The reminder mechanism 2 includes a first moving rod 201 inserted into the top of the first cylinder 1501, and a second moving rod 202 is inserted into the top of the second cylinder 1601. The first moving rod 201 and the second moving rod 202 are respectively connected to the first cylinder 1501 and the second cylinder 1601 through the first reset mechanism 3, and the top of the baffle 1001 is fixedly connected to two symmetrically arranged first support plates 203. The side wall of the first support plate 203 is rotatably connected to the rotating plate 205 through the rotating shaft 204, and the side wall of the rotating plate 205 is fixedly connected to the sensing block 206. The side wall of the first support plate 203 is fixedly connected to the L-shaped plate 207, and the side wall of the L-shaped plate 207 is fixedly connected to the proximity switch 208. There is a display light on the proximity switch 208, which is a well-known technology in the technical field and is not repeated here. The rotation of the rotating shaft 204 is driven by the driving mechanism 4. During the operation, when the anterior chamber area is pumped, At this time, the first piston 1502 moves in the direction away from the first cylinder 1501. At the same time, the first one-way valve opens and the second one-way valve closes. When the head of the liquid extraction tube 19 is blocked by tissue, the negative pressure in the first cylinder 1501 will gradually increase, thereby enabling the first moving rod 201 to move downward and drive the rotating shaft 204 to rotate through the driving mechanism 4, thereby driving the rotating plate 205 to rotate clockwise. When the proximity switch 208 cannot detect the sensing block 206, the display light goes out to remind the operator, thereby avoiding damage to the eye tissue. Similarly, when injecting physiological saline or antibiotic solution, when the head of the injection tube 21 is blocked by tissue, at this time, when the second piston 1602 continues to move into the second cylinder 1601, it can push the second moving rod 202 to move upward, and also drive the rotating shaft 204 to rotate through the driving mechanism 4. At this time, it can also remind the operator.

[0022] The driving mechanism 4 includes a gear 401 fixedly mounted on the side wall of the rotating shaft 204, and the side wall of the first support plate 203 is connected to a rack 402 through a second reset mechanism 5. The rack 402 is meshed with the gear 401, and the movement of the rack 402 is pushed by the pushing mechanism 6. The rack 402 is pushed to move by the pushing mechanism 6, and the movement of the rack 402 drives the gear 401 and the rotating shaft 204 to rotate.

[0023] The first reset mechanism 3 includes two symmetrically arranged moving blocks 301 fixedly connected to the top of the first moving rod 201 and the second moving rod 202, and the side wall of each moving block 301 is fixedly connected to the second moving plate 302, and the bottom of each second moving plate 302 is fixedly connected to two symmetrically arranged first sleeve rods 303, and the side wall of the first sleeve rod 303 is sleeved with a first sleeve 304, the lower end of the first sleeve 304 is fixed to the top of the first cylinder 1501 and the second cylinder 1601, and the side wall of each first sleeve 304 is sleeved with a first spring 305, which guides and resets the movement of the first moving rod 201 and the second moving rod 202.

[0024] The second reset mechanism 5 includes two symmetrically arranged connecting blocks 501 fixedly connected to the side walls of the first support plate 203, and the opposite side walls of the two connecting blocks 501 are fixedly connected to two symmetrically arranged guide rods 502, and the side wall of each guide rod 502 is sleeved with a slider 503, and the slider 503 is fixed to the side wall of the rack 402, and the side wall of each guide rod 502 is sleeved with a second spring 504, which guides and resets the movement of the rack 402.

[0025] The pushing mechanism 6 includes a first connecting plate 601 fixedly connected to the side wall of the rack 402, and the side wall of the first connecting plate 601 is fixedly connected to a mounting plate 602, the side wall of the mounting plate 602 is fixedly connected to two symmetrically arranged V-shaped blocks 603, and the two moving blocks 301 are respectively inserted in the two V-shaped blocks 603. When the moving block 301 moves upward or downward, it will push the mounting plate 602 to move in the direction close to the first support plate 203.

[0026] The clamping mechanism 7 includes two symmetrically arranged arc plates 701, a second connecting plate 702 is fixedly connected between the two arc plates 701, and a lifting mechanism 8 is arranged between the arc plates 701 and the supporting plate 12. The lifting mechanism 8 drives the two arc plates 701 to move downward and abut against the side walls of the first syringe 15 and the second syringe 16, thereby facilitating the clamping and fixation of the first syringe 15 and the second syringe 16.

[0027] The lifting mechanism 8 includes a second rod 801 fixedly connected to the bottom of the arc-shaped plate 701, and the side wall of the second rod 801 is sleeved with a second sleeve 802, the lower end of the second sleeve 802 is fixed to the top of the supporting plate 12, and the bottom of the arc-shaped plate 701 is rotatably connected to the first threaded rod 803, the side wall of the first threaded rod 803 is threadedly connected to the first threaded tube 804, and the lower end of the first threaded tube 804 is fixed to the top of the supporting plate 12, the top of the arc-shaped plate 701 is fixedly connected to the first motor 805, and the output end of the first motor 805 is fixed to the upper end of the first threaded rod 803, start the first motor 805, and the rotation of the first motor 805 drives the rotation of the first threaded rod 803, thereby driving the two arc-shaped plates 701 to rise and fall.

[0028] The moving mechanism 9 includes a fixed plate 901 fixedly connected to the top of the supporting plate 12, and the side wall of the fixed plate 901 is fixedly connected to a third sleeve rod 903, the side wall of the third sleeve rod 903 is sleeved with a third sleeve 902, the other end of the third sleeve 902 is fixed to the side wall of the first movable plate 26, and the side wall of the fixed plate 901 is rotatably connected to a second threaded rod 905, the side wall of the second threaded rod 905 is threadedly connected to a second threaded tube 904, and the other end of the second threaded tube 904 is fixed to the side wall of the first movable plate 26, the side wall of the fixed plate 901 is fixedly connected to a second motor 906, and the output end of the second motor 906 is fixed to one end of the second threaded rod 905, start the second motor 906, and the rotation of the second motor 906 drives the rotation of the second threaded rod 905, thereby driving the first movable plate 26 to move.

[0029] Working principle: When in use, during surgery, the first syringe 15 and the second syringe 16 are first placed on the carrier plate 12, so that the ends of the first syringe 15 and the second syringe 16 are against the positioning mechanism 10, and at the same time, the finger hook portion is inserted into the slot 1002, and the pressing hand is inserted into the clamping plate 27. Then, the first motor 805 is started, and the rotation of the first motor 805 drives the rotation of the first threaded rod 803, thereby driving the two arc plates 701 to move downward and against the side walls of the first syringe 15 and the second syringe 16, thereby facilitating the clamping and fixing of the first syringe 15 and the second syringe 16; During cataract surgery, the doctor makes an incision between the cornea and the sclera, then places the liquid extraction tube 19 through the incision into the anterior chamber area. The second motor 906 is then started, and the rotation of the second motor 906 drives the rotation of the second threaded rod 905, thereby driving the first movable plate 26 to move toward the fixed plate 901, thereby driving the first piston 1502 to move away from the first cylinder 1501. Simultaneously, the second piston 1602 moves away from the second cylinder 1601. At this point, negative pressure is generated in both the first cylinder 1501 and the second cylinder 1601. Simultaneously, the first and fourth one-way valves open, and the second and third one-way valves close. At this point, aqueous humor can be extracted through the liquid extraction tube 19 and temporarily stored in the first cylinder 1501 through the first hose 18 and the first connecting tube 13. Simultaneously, the physiological saline or antibiotic solution in the liquid storage tank 24 is drawn into the second cylinder 1601 through the liquid supply tube 25. After the aqueous humor is extracted, the extraction tube 19 is taken out and the injection tube 21 is placed in the anterior chamber area through the incision. Then, the first piston 1502 is driven by the moving mechanism 9 to move into the first cylinder 1501, and the second piston 1602 is driven into the second cylinder 1601, so that the aqueous humor in the first cylinder 1501 can be squeezed. At the same time, the first one-way valve is closed and the second one-way valve is opened, so that the aqueous humor in the first cylinder 1501 can be squeezed into the collection tank 23 through the collection tube 22 for collection, which is convenient for During sampling and testing, the second piston 1602 squeezes the saline solution or antibiotic solution temporarily stored in the second cylinder 1601. Meanwhile, the third one-way valve is opened and the fourth one-way valve is closed. At this time, the saline solution or antibiotic solution temporarily stored in the second cylinder 1601 is squeezed out and injected into the anterior chamber area through the second connecting tube 17, the second flexible tube 20 and the injection tube 21, thereby shaping the anterior chamber. This makes the operation more convenient and quick, and facilitates the control of the speed and amount of extraction and injection to ensure the effectiveness of the surgery. During surgery, when the anterior chamber area is being pumped, the first piston 1502 moves away from the first cylinder 1501. At the same time, the first one-way valve opens and the second one-way valve closes. When the head of the liquid extraction tube 19 is blocked by tissue, the negative pressure in the first cylinder 1501 gradually increases, thereby enabling the first moving rod 201 and the moving block 301 to move downward. At the same time, the first spring 305 is compressed. At the same time, when the moving block 301 moves downward, it will abut against the lower inclined surface of the V-shaped block 603, thereby pushing the mounting plate 602 to move toward the first support plate 203 and push the rack 402 to move through the first connecting plate 601. When the rack 402 moves, it pushes the gear 401 and the rotating shaft 204 to rotate, thereby driving the rotating plate 205 to rotate clockwise. When the proximity switch 208 cannot detect the sensing block 206, the display light goes out to alert the operator, thereby avoiding damage to the tissue of the eye. Similarly, when injecting physiological saline or antibiotic solution, when the head of the injection tube 21 is blocked by tissue, at this time, when the second piston 1602 continues to move into the second cylinder 1601, it can push the second moving rod 202 and the moving block 301 to move upward, so that the moving block 301 can be against the upper inclined surface of the V-shaped block 603, and can also push the mounting plate 602 to move in the direction close to the first support plate 203. At this time, the rotating plate 205 will also rotate clockwise. When the proximity switch 208 cannot detect the sensing block 206, the display light goes out to remind the operator, thereby avoiding damage to the eye tissue and ensuring the effect of the operation.

Claims

1. A device for collecting aqueous humor and shaping the anterior chamber during cataract surgery, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a support (11), and the top of the support (11) is fixedly connected to a carrier plate (12), the top of the carrier plate (12) is detachably connected to a first syringe (15) and a second syringe (16) via a clamping mechanism (7), and a positioning mechanism (10) for positioning the first syringe (15) and the second syringe (16) is provided on the top of the carrier plate (12), the first syringe (15) comprises a first barrel (1501) and a first piston (1502), and the second syringe (1501) comprises a first barrel (1501) and a first piston (1502), and the second syringe (1501) comprises a first barrel (1501) and a first piston (1502). 6) comprises a second barrel (1601) and a second piston (1602), the needle fixing sleeve of the first syringe (15) is provided with a first connecting tube (13), and a first one-way valve is provided in the first connecting tube (13), the other end of the first connecting tube (13) is fixedly connected to a first hose (18), and the other end of the first hose (18) is fixedly connected to a liquid extraction tube (19), the top of the base (1) is provided with a collecting tank (23), and the side wall of the first barrel (1501) is fixedly connected to a collecting tube (22), and the collecting tube (22) A second one-way valve is arranged inside the base (1), and the other end of the collecting tube (22) is detachably connected to the top of the collecting tank (23); the needle fixing sleeve of the second syringe (16) is provided with a second connecting tube (17), and a third one-way valve is arranged inside the second connecting tube (17); the other end of the second connecting tube (17) is fixedly connected to a second hose (20), and the other end of the second hose (20) is fixedly connected to an injection tube (21); a liquid storage tank (24) is arranged on the top of the base (1), and a liquid supply tube is fixedly connected to the side wall of the second cylinder (1601) (25), a fourth one-way valve is arranged in the liquid supply pipe (25), and the other end of the liquid supply pipe (25) is detachably connected to the top of the liquid storage tank (24), the top of the supporting plate (12) is connected to the first movable plate (26) through a movable mechanism (9), and the side wall of the first movable plate (26) is fixedly connected to an L-shaped clamping plate (27), and the side walls of the first cylinder (1501) and the second cylinder (1601) are provided with a reminder mechanism (2) for reminding when the head of the liquid extraction pipe (19) and the liquid injection pipe (21) is blocked.

2. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 1, characterized in that: The positioning mechanism (10) comprises a baffle (1001) fixedly connected to the top of the carrying plate (12), and a slot (1002) is provided on the top of the carrying plate (12).

3. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 2, characterized in that: The reminder mechanism (2) comprises a first moving rod (201) inserted into the top of the first cylinder (1501), and a second moving rod (202) inserted into the top of the second cylinder (1601); the first moving rod (201) and the second moving rod (202) are respectively connected to the first cylinder (1501) and the second cylinder (1601) via a first reset mechanism (3); the top of the baffle (1001) is fixedly connected to two symmetrically arranged first support plates (203); the side wall of the first support plate (203) is rotatably connected to a rotating plate (205) via a rotating shaft (204); the side wall of the rotating plate (205) is fixedly connected to a sensing block (206); the side wall of the first support plate (203) is fixedly connected to an L-shaped plate (207); the side wall of the L-shaped plate (207) is fixedly connected to a proximity switch (208); the rotation of the rotating shaft (204) is driven by a driving mechanism (4).

4. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 3, characterized in that: The driving mechanism (4) comprises a gear (401) fixedly sleeved on the side wall of the rotating shaft (204), and the side wall of the first support plate (203) is connected to a rack (402) via a second reset mechanism (5), the rack (402) is meshed with the gear (401), and the movement of the rack (402) is driven by a driving mechanism (6).

5. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 3, characterized in that: The first reset mechanism (3) comprises two symmetrically arranged moving blocks (301) fixedly connected to the top of the first moving rod (201) and the second moving rod (202), and the side wall of each moving block (301) is fixedly connected to the second moving plate (302), and the bottom of each second moving plate (302) is fixedly connected to two symmetrically arranged first sleeve rods (303), and the side wall of the first sleeve rod (303) is sleeved with a first sleeve (304), the lower end of the first sleeve (304) is fixed to the top of the first cylinder (1501) and the second cylinder (1601), and the side wall of each first sleeve (304) is sleeved with a first spring (305).

6. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 4, characterized in that: The second reset mechanism (5) comprises two symmetrically arranged connecting blocks (501) fixedly connected to the side wall of the first support plate (203), and the opposite side walls of the two connecting blocks (501) are fixedly connected to two symmetrically arranged guide rods (502), the side wall of each guide rod (502) is sleeved with a slider (503), and the slider (503) is fixed to the side wall of the rack (402), and the side wall of each guide rod (502) is sleeved with a second spring (504).

7. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 4, characterized in that: The pushing mechanism (6) comprises a first connecting plate (601) fixedly connected to the side wall of the rack (402), and the side wall of the first connecting plate (601) is fixedly connected to a mounting plate (602), the side wall of the mounting plate (602) is fixedly connected to two symmetrically arranged V-shaped blocks (603), and the two moving blocks (301) are respectively inserted into the two V-shaped blocks (603).

8. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 1, characterized in that: The clamping mechanism (7) comprises two symmetrically arranged arc-shaped plates (701), a second connecting plate (702) is fixedly connected between the two arc-shaped plates (701), and a lifting mechanism (8) is arranged between the arc-shaped plates (701) and the bearing plate (12).

9. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 8, characterized in that: The lifting mechanism (8) comprises a second rod (801) fixedly connected to the bottom of the arc-shaped plate (701), and a second sleeve (802) is sleeved on the side wall of the second rod (801), the lower end of the second sleeve (802) is fixed to the top of the bearing plate (12), and the bottom of the arc-shaped plate (701) is rotatably connected to a first threaded rod (803), the side wall of the first threaded rod (803) is threadedly connected to a first threaded tube (804), and the lower end of the first threaded tube (804) is fixed to the top of the bearing plate (12), and the top of the arc-shaped plate (701) is fixedly connected to a first motor (805), and the output end of the first motor (805) is fixed to the upper end of the first threaded rod (803).

10. The device for aqueous humor sampling and anterior chamber shaping during cataract surgery according to claim 1, characterized in that: The moving mechanism (9) comprises a fixed plate (901) fixedly connected to the top of the carrying plate (12), and a third rod (903) is fixedly connected to the side wall of the fixed plate (901), a third sleeve (902) is sleeved on the side wall of the third rod (903), the other end of the third sleeve (902) is fixed to the side wall of the first moving plate (26), and a second threaded rod (905) is rotatably connected to the side wall of the fixed plate (901), a second threaded tube (904) is threadedly connected to the side wall of the second threaded rod (905), and the other end of the second threaded tube (904) is fixed to the side wall of the first moving plate (26), and a second motor (906) is fixedly connected to the side wall of the fixed plate (901), and an output end of the second motor (906) is fixed to one end of the second threaded rod (905).

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