A nasopharyngeal carcinoma cell extractor and extraction method

Abstract

The present invention discloses a nasopharyngeal cancer cell extractor and an extraction method, and relates to the technical field of medical devices. The present invention comprises a main rod, wherein the outer side of the main rod is provided with a retractable front support frame and a rear support frame, wherein the outer sides of the front support frame and the rear support frame are fixedly connected with an outer bag sleeve, wherein the outer bag sleeve can form a cylindrical tube when expanded; and further comprises a mounting plate hinged on the outer side of the front support frame, wherein the mounting plate can swing up and down, and the top of the mounting plate is provided with a pliers that can automatically open and close. The present invention controls the mounting plate to swing up and down, and then controls the main rod to rotate, and the main rod drives the mounting plate to rotate, thereby enabling the mounting plate to swing to any position of the nasopharynx, and the mounting plate can drive the pliers to swing to any position of the nasopharynx, with a wide range of clamping angles. Through the arrangement of the retractable front support frame, the rear support frame and the outer bag sleeve, the device can be automatically fixed in the nasopharynx, which can prevent the nasopharynx from being injured due to the shaking of the medical staff's hands, and is easy to use.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a nasopharyngeal cancer cell extractor and an extraction method. Background Art

[0002] Nasopharyngeal carcinoma is one of the most common head and neck tumors. It is caused by the uncontrolled growth and proliferation of nasopharyngeal cells. This disease is a malignant tumor that occurs in the columnar epithelium of the nasopharyngeal mucosa, and the vast majority are squamous cell carcinomas.

[0003] Currently, after nasopharyngeal cancer is examined in the hospital, the ENT department will perform a biopsy. If a lump is found after CT or MRI examinations, the ENT department will perform these biopsies. They will insert a pair of forceps into the nasopharynx to clamp a small piece of tissue and send it to the pathology department for pathological examination. After the forceps are inserted, the clamping angle is limited by the nasopharynx, which makes it inconvenient to clamp. In addition, the clamping requires high hand stability of the medical staff. If the hand is unstable, the nasopharynx is easily pinched. At the same time, after the forceps are inserted, the nasopharynx will be blocked, causing discomfort to the patient. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem that the clamping angle is limited by the nasopharynx, sampling is convenient, the nasopharynx is easily injured, and the nasopharynx is blocked during clamping, causing discomfort to the patient. The present invention provides a nasopharyngeal cancer cell extractor and extraction method.

[0005] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0006] A nasopharyngeal cancer cell extractor comprises a main rod, with a telescopic front support frame and a telescopic rear support frame disposed on the outside of the main rod, an outer bag fixedly connected to the outside of the front and rear support frames, the outer bag forming a cylindrical tube when expanded, and an air nozzle connected to an external air pressure device disposed on the outside of the outer bag;

[0007] The utility model also comprises a mounting plate which is hinged to the outer side of the front supporting frame, the mounting plate can swing up and down, and a pliers which can open and close automatically is mounted on the top of the mounting plate.

[0008] Furthermore, the front support frame and the rear support frame both include a horizontal support rod and a vertical support rod, and an air pressure chamber is opened inside the horizontal support rod and the vertical support rod, and the air pressure chamber is connected to the outer bag sleeve through an trachea, and a telescopic rod is slidably connected to the inside of the air pressure chamber, and the end of the telescopic rod away from the air pressure chamber is connected to the outer bag sleeve, and a return spring is arranged between the telescopic rod and the inner wall of the air pressure chamber.

[0009] Furthermore, a sliding hole is provided at one end of the telescopic rod located in the pneumatic chamber, and a pneumatic top block is slidably connected to the inside of the sliding hole. A top spring is provided between the top of the pneumatic top block and the inner wall of the sliding hole. A transmission hole is provided on the inner wall of the sliding hole that passes through the telescopic rod, and a friction clamp is slidably connected to the inside of the transmission hole. The friction clamp can frictionally contact the inner wall of the pneumatic chamber, and the friction clamp is designed to be inclined on the side close to the pneumatic top block.

[0010] Furthermore, a penetrating air hole is provided inside the telescopic rod, and the air pipe passes through the air hole.

[0011] Furthermore, the outer side of the front support frame is sleeved with an upper swing sleeve and a lower swing sleeve that can slide up and down, and a pull rope is arranged between the upper swing sleeve, the lower swing sleeve and the mounting plate. The top of the upper swing sleeve is provided with an upper swing rope, and the bottom of the lower swing sleeve is provided with a lower swing rope, and a reset torsion spring is provided at the hinge of the mounting plate.

[0012] Furthermore, the length of the pull rope is greater than the swing amplitude of the mounting plate.

[0013] Furthermore, two groups of clamp sleeves that can slide left and right are sleeved on the outer side of the front support frame, tension springs are arranged between the two groups of clamp sleeves and the front support frame, clamp ropes are arranged on the outer sides of the two groups of clamp sleeves, and a sliding groove is provided at the beginning of the handle of the pliers, and the inside of the sliding groove is slidably connected to a telescopic handle hinged to the clamp sleeve.

[0014] Furthermore, the two groups of clamp ropes are connected together at their ends away from the clamp sliding sleeve.

[0015] Furthermore, fixed pulleys are provided on the main rod and the front support frame, and the fixed pulleys are respectively distributed corresponding to the upper swing rope, the lower swing rope, and the two sets of clamp ropes. The upper swing rope, the lower swing rope, and the two sets of clamp ropes all change the transmission direction through the fixed pulleys.

[0016] A method for extracting nasopharyngeal carcinoma cells comprises the following steps:

[0017] S1. The extractor is inserted into the nasopharynx. The insertion position can be observed through the gap between the front support frame and the rear support frame. When the front end of the extractor is inserted into the sampling position, stop inserting;

[0018] S2. Use external air pressure equipment to inflate the outer cuff. The outer cuff expands and supports the inner wall of the nasopharynx. At this time, the outer cuff fixes the extractor in the nasopharynx;

[0019] S3, then controlling the rotation of the extractor according to the location of the mass, so that the extractor rotates the external cutting forceps to the location of the mass;

[0020] S4, the clamp rope is pulled again to open the pliers, and then the upper and lower swing ropes are pulled to control the upper and lower swing sleeves to slide. The upper and lower swing sleeves slide to swing the pliers. The pliers swing to the soft tissue of the mass, and the clamp rope is released. The pliers automatically clamp the soft tissue under the action of the tension spring;

[0021] S5. Finally, the outer cuff is deflated and the extractor is removed from the nasopharynx to complete the cell sampling.

[0022] The beneficial effects of the present invention are as follows:

[0023] 1. The present invention controls the up and down swing of the mounting plate and then controls the rotation of the main rod. The main rod drives the mounting plate to rotate, thereby enabling the mounting plate to swing to any position of the nasopharynx. The mounting plate can drive the pliers to swing to any position of the nasopharynx, with a wide clamping angle and convenient sampling.

[0024] 2. The present invention, through the arrangement of the retractable front support frame, the rear support frame and the outer bag sleeve, enables the device to be automatically fixed in the nasopharynx, which can prevent the nasopharynx from being injured due to shaking of the medical staff's hands, and is easy to use.

[0025] 3. The present invention forms a cylindrical tube by inflating the interior of the outer cuff, which can protect the nasopharynx without affecting the patient's normal breathing and provides high sampling comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0027] Figure 2 It is a schematic diagram of the internal structure of the present invention;

[0028] Figure 3 It is a partial schematic diagram of the pliers of the present invention;

[0029] Figure 4 is a schematic cross-sectional view of the mounting plate of the present invention;

[0030] Figure 5 It is a three-dimensional schematic diagram of the support frame of the present invention;

[0031] Figure 6 is a schematic cross-sectional view of the support frame of the present invention;

[0032] Figure 7 This invention Figure 6 A magnified schematic diagram of part A;

[0033] Figure 8 Schematic diagram of the outer bag sleeve of the present invention.

[0034] Figure markings: 1. Main rod; 2. Front support frame; 21. Horizontal support rod; 22. Vertical support rod; 23. Telescopic rod; 24. Air pressure chamber; 25. Return spring; 26. Air pressure top block; 27. Top spring; 28. Friction clamp; 3. Rear support frame; 4. Outer bag cover; 5. Air nozzle; 6. Mounting plate; 7. Pliers; 8. Telescopic handle; 9. Clamp slide; 10. Tension spring; 11. Clamp rope; 12. Return torsion spring; 13. Upper swing sleeve; 14. Pull rope; 15. Upper swing rope; 16. Lower swing sleeve; 17. Lower swing rope. DETAILED DESCRIPTION

[0035] To make the objectives, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0036] like Figures 1-8 As shown, a nasopharyngeal cancer cell extractor includes a main rod 1, and a telescopic front support frame 2 and a rear support frame 3 are provided on the outside of the main rod 1. An outer bag 4 is fixedly connected to the outside of the front support frame 2 and the rear support frame 3. When the outer bag 4 is expanded, it can form a cylindrical tube. The outer side of the outer bag 4 is provided with an air nozzle 5 that can be connected to an external air pressure device;

[0037] The utility model further comprises a mounting plate 6 hinged to the outside of the front support frame 2, the mounting plate 6 can swing up and down, and a pliers 7 which can open and close automatically is installed on the top of the mounting plate 6.

[0038] When in use, the extractor is inserted into the nasopharynx. Since the outer bag cuff 4 is sleeved on the outside of the front support frame 2 and the rear support frame 3, and the front support frame 2 and the rear support frame 3 are arranged in a cross shape, the insertion position can be observed through the gap between the front support frame 2 and the rear support frame 3. When the front end of the extractor is inserted into the sampling position, the insertion is stopped, and then the outer bag cuff 4 is inflated by the external air pressure equipment. The outer bag cuff 4 expands and supports the inner wall of the nasopharynx. At this time, the outer bag cuff 4 fixes the extractor in the nasopharynx, which can protect the nasopharynx and ensure that the extractor always remains stable, with high sampling safety. At the same time, the outer bag cuff 4 expands to form a cylindrical tube, which does not affect the patient's normal breathing and has high sampling comfort.

[0039] At this time, according to the position of the tumor, the extractor is controlled to rotate, and the extractor drives the external cutting forceps 7 to rotate to the position of the tumor and parallel to the surface of the tumor. At this time, the cutting forceps 7 is controlled to open, and then the mounting plate 6 is controlled to swing, and the mounting plate 6 drives the cutting forceps 7 to swing toward the surface of the tumor. When the cutting forceps 7 swings to the soft tissue of the tumor, the cutting forceps 7 is controlled to automatically clamp the soft tissue. After the clamping is completed, the mounting plate 6 is controlled to swing again, and the mounting plate 6 drives the cutting forceps 7 away from the tumor to ensure that the inner wall of the nasopharynx will not be scratched when the extractor is taken out, and the removal safety is high. Then the outer cuff 4 is deflated. After the deflation is completed, the extractor is taken out from the nasopharynx to complete the cell sampling.

[0040] like Figure 5-Figure 7 As shown, in some embodiments, the front support frame 2 and the rear support frame 3 both include a horizontal support rod 21 and a vertical support rod 22. An air pressure chamber 24 is provided inside the horizontal support rod 21 and the vertical support rod 22. The air pressure chamber 24 is connected to the outer bag sleeve 4 through an trachea. The interior of the air pressure chamber 24 is slidably connected with a telescopic rod 23. The end of the telescopic rod 23 away from the air pressure chamber 24 is connected to the outer bag sleeve 4. A return spring 25 is provided between the telescopic rod 23 and the inner wall of the air pressure chamber 24.

[0041] When the outer cuff 4 is ventilated and expanded, the outer cuff 4 causes the air pressure chamber 24 to be ventilated synchronously through the trachea. The air pressure pushes the telescopic rod 23 to slide outside the air pressure chamber 24. The telescopic rod 23 can support the outer cuff 4, so that the outer cuff 4 can be expanded and can be completely formed into a cylindrical tube without affecting the patient's normal breathing. The outer cuff 4 is stably supported on the inner wall of the nasopharynx, and the support is stable.

[0042] When the extractor needs to be taken out, the outer bag 4 is controlled to be deflated, and the outer bag 4 is reduced. At the same time, the air pressure inside the air pressure chamber 24 is reduced, and the return spring 25 drives the telescopic rod 23 to slide into the air pressure chamber 24. The telescopic rod 23 enables the outer bag 4 to shrink more quickly and more stably, making it easy to take out.

[0043] like Figure 7 As shown, in some embodiments, a sliding hole is provided at one end of the telescopic rod 23 located in the pneumatic chamber 24, and a pneumatic top block 26 is slidably connected inside the sliding hole. A top spring 27 is provided between the top of the pneumatic top block 26 and the inner wall of the sliding hole. A transmission hole that passes through the telescopic rod 23 is provided on the inner wall of the sliding hole, and a friction clamp 28 is slidably connected inside the transmission hole. The friction clamp 28 can be in frictional contact with the inner wall of the pneumatic chamber 24, and the friction clamp 28 is designed to be inclined on the side close to the pneumatic top block 26.

[0044] Since the outer bag cuff 4 is supported in the nasopharynx, the air pressure inside the outer bag cuff 4 cannot be too high, otherwise it will cause discomfort to the patient and easily cause damage to the soft tissue in the nasopharynx. Therefore, when the air pressure inside the outer bag cuff 4 is too high, the air pressure inside the air pressure chamber 24 is too high, and the air pressure is greater than the elastic force of the top spring 27. The air pressure pushes the air pressure top block 26 to slide relative to the telescopic rod 23. The air pressure top block 26 pushes the friction clamp 28 to slide along the transmission hole through the inclined surface of the friction clamp 28. The friction clamp 28 is in friction contact with the inner wall of the air pressure chamber 24. The friction clamp 28 restricts the telescopic rod 23 from continuing to rise. The telescopic rod 23 can apply tension to the outer bag cuff 4 to prevent the outer bag cuff 4 from over-expanding, thereby ensuring the stability of the device support.

[0045] When the outer bag sleeve 4 is deflated, the air pressure inside the outer bag sleeve 4 decreases, and the air pressure inside the air pressure chamber 24 decreases. At this time, the top spring 27 pushes the air pressure top block 26 to slide downward, and the air pressure top block 26 moves away from the friction clamping block 28 and no longer gives thrust to the friction clamping block 28. At this time, the telescopic rod 23 can be stably stored in the air pressure chamber 24 without affecting the removal of the extractor.

[0046] like Figure 7 As shown, in some embodiments, a penetrating air hole is opened inside the telescopic rod 23, and the air pipe passes through the air hole. Through this design, the transmission stability can be ensured while not affecting the sliding of the upper swing sleeve 13, the lower swing sleeve 16 and the clamp sliding sleeve 9, and the structure is stable.

[0047] like Figure 3 As shown, in some embodiments, the outer side of the front support frame 2 is sleeved with an upper swing sleeve 13 and a lower swing sleeve 16 that can slide up and down, a pull rope 14 is arranged between the upper swing sleeve 13, the lower swing sleeve 16 and the mounting plate 6, an upper swing rope 15 is arranged at the top of the upper swing sleeve 13, a lower swing rope 17 is arranged at the bottom of the lower swing sleeve 16, and a reset torsion spring 12 is arranged at the hinge of the mounting plate 6.

[0048] According to the position of the lump, the extractor is controlled to rotate, and the extractor drives the outer cutting forceps 7 to rotate to the position of the lump and parallel to the surface of the lump. At this time, the cutting forceps 7 are controlled to open, and then the upper swing rope 15 is pulled. The upper swing rope 15 drives the upper swing sleeve 13 to slide. The upper swing sleeve 13 drives the mounting plate 6 to swing upward through the pull rope 14. The mounting plate 6 drives the cutting forceps 7 to swing upward, and the control is stable.

[0049] When the hem rope 17 is pulled, the hem rope 17 drives the hem sleeve 16 to slide, and the hem sleeve 16 drives the mounting plate 6 to swing downward through the pull rope 14, and the mounting plate 6 drives the pliers 7 to swing downward, and the control is stable;

[0050] When the upper and lower swing ropes 15 and 17 are loosened, the mounting plate 6 swings to its original position under the action of the reset torsion spring 12, which does not affect the removal of the extractor. At the same time, under the support of the reset torsion spring 12, the mounting plate 6 is not allowed to be fixed by other external forces when it is in the initial position. Therefore, the upper and lower pull ropes 14 of the mounting plate 6 in the initial position do not need to be tightened, and thus will not affect each other. In addition, the initial positions of the upper and lower swing sleeves 13 and 16 do not need to be fixed, and the control is stable.

[0051] like Figure 3 As shown, in some embodiments, the length of the pull rope 14 is greater than the swing amplitude of the mounting plate 6 , so that the pull rope 14 does not affect the swing of the mounting plate 6 .

[0052] like Figure 3As shown, in some embodiments, two groups of clamp sleeves 9 that can slide left and right are sleeved on the outer side of the front support frame 2, and tension springs 10 are arranged between the two groups of clamp sleeves 9 and the front support frame 2. Clamp ropes 11 are arranged on the outer sides of the two groups of clamp sleeves 9, and a sliding groove is provided at the handle of the pliers 7, and the inside of the sliding groove is slidably connected to a telescopic handle 8 hinged to the clamp sleeve 9.

[0053] When the pliers 7 need to be opened, the clamp rope 11 is pulled, and the clamp rope 11 drives the two sets of clamp sliding sleeves 9 to slide synchronously in opposite directions. The two sets of clamp sliding sleeves 9 drive the telescopic handle 8 to move, and the telescopic handle 8 drives the handles on the pliers 7 to move away from each other, thereby controlling the opening of the pliers 7. At the same time, the telescopic handle 8 slides relative to the handle to ensure stable transmission.

[0054] When it is necessary to control the pliers 7 to close, the clamp rope 11 is loosened. At this time, the tension spring 10 drives the two sets of clamp sleeves 9 to slide synchronously in opposite directions and synchronously approach the front support frame 2. The two sets of clamp sleeves 9 drive the telescopic handle 8 to move, and the telescopic handle 8 drives the handles on the pliers 7 to approach each other, thereby controlling the pliers 7 to close. At the same time, the telescopic handle 8 slides relative to the handle, thereby stably controlling the opening and closing of the pliers 7 to ensure stable clamping, and the clamping force is given to the pliers 7 by the elastic force of the tension spring 10, which can ensure that the clamping force is moderate.

[0055] like Figure 3 As shown, in some embodiments, the ends of the two groups of clamp ropes 11 away from the clamp sleeves 9 are connected together, thereby being able to simultaneously control the synchronous sliding of the two groups of clamp sleeves 9 and provide stable control.

[0056] like Figure 3 As shown, in some embodiments, fixed pulleys are provided on the main pole 1 and the front support frame 2, and the fixed pulleys are respectively distributed corresponding to the upper swing rope 15, the lower swing rope 17, and the two sets of clamp ropes 11. The upper swing rope 15, the lower swing rope 17, and the two sets of clamp ropes 11 all change the transmission direction through the fixed pulleys.

[0057] When the clamp rope 11 is pulled, the fixed pulley on the front support frame 2 can drive the clamp sliding sleeve 9 to slide to the outside of the front support frame 2, and then the fixed pulley on the main rod 1 can be set, and the clamp rope 11 will fit the outside of the main rod 1, ensuring that the transmission of the clamp rope 11 is stable and the structure is compact;

[0058] When the upper swing rope 15 or the lower swing rope 17 is pulled, the upper swing rope 15 or the lower swing rope 17 drives the upper swing sleeve 13 and the lower swing sleeve 16 to slide due to the fixed pulley set on the front support frame 2, and then the upper swing rope 15 or the lower swing rope 17 will fit the outer side of the main pole 1 due to the fixed pulley set on the main pole 1, ensuring that the transmission of the upper swing rope 15 or the lower swing rope 17 is stable and the structure is compact.

[0059] A method for extracting nasopharyngeal carcinoma cells comprises the following steps:

[0060] S1. The extractor is inserted into the nasopharynx. The insertion position can be observed through the gap between the front support frame 2 and the rear support frame 3. When the front end of the extractor is inserted into the sampling position, stop inserting;

[0061] S2. Use external air pressure equipment to inflate the outer cuff 4. The outer cuff 4 expands and supports the inner wall of the nasopharynx. At this time, the outer cuff 4 fixes the extractor in the nasopharynx;

[0062] S3, then according to the location of the mass, the extractor is controlled to rotate, and the extractor rotates the outer cutting forceps 7 to the location of the mass;

[0063] S4, the clamp rope 11 is pulled again to open the cutting forceps 7, and then the upper swing rope 15 and the lower swing rope 17 are pulled to control the upper swing sleeve 13 and the lower swing sleeve 16 to slide. The upper swing sleeve 13 and the lower swing sleeve 16 slide to swing the cutting forceps 7. The cutting forceps 7 swings to the soft tissue of the mass, and the clamp rope 11 is released. Under the action of the tension spring 10, the cutting forceps 7 automatically clamps the soft tissue;

[0064] S5. Finally, the outer cuff 4 is deflated, and the extractor is removed from the nasopharynx to complete the cell sampling.

[0065] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A nasopharyngeal cancer cell extractor, comprising a main rod (1), characterized in that: The outer side of the main rod (1) is provided with a telescopic front support frame (2) and a rear support frame (3), the outer sides of the front support frame (2) and the rear support frame (3) are fixedly connected with an outer bag sleeve (4), the outer bag sleeve (4) can form a cylindrical tube when expanded, and the outer side of the outer bag sleeve (4) is provided with an air nozzle (5) that can be connected to an external air pressure device; It also includes a mounting plate (6) hinged to the outside of the front support frame (2), the mounting plate (6) can swing up and down, and a shear (7) capable of automatically opening and closing is installed on the top of the mounting plate (6); The front support frame (2) and the rear support frame (3) both include a horizontal support rod (21) and a vertical support rod (22), and an air pressure chamber (24) is provided inside the horizontal support rod (21) and the vertical support rod (22), and the air pressure chamber (24) is connected to the outer bag sleeve (4) through an air tube, and a telescopic rod (23) is slidably connected inside the air pressure chamber (24), and one end of the telescopic rod (23) away from the air pressure chamber (24) is connected to the outer bag sleeve (4), and a return spring (25) is provided between the telescopic rod (23) and the inner wall of the air pressure chamber (24); The telescopic rod (23) is provided with a sliding hole at one end thereof in the air pressure chamber (24), and a pneumatic top block (26) is slidably connected to the interior of the sliding hole. A top spring (27) is provided between the top of the pneumatic top block (26) and the inner wall of the sliding hole. A transmission hole penetrating the telescopic rod (23) is provided on the inner wall of the sliding hole, and a friction clamp (28) is slidably connected to the interior of the transmission hole. The friction clamp (28) can be in frictional contact with the inner wall of the air pressure chamber (24), and the friction clamp (28) is designed to be inclined on the side close to the pneumatic top block (26); The telescopic rod (23) is provided with a penetrating air hole inside, and the air pipe passes through the air hole; An upper swing sleeve (13) and a lower swing sleeve (16) capable of sliding up and down are sleeved on the outer side of the front support frame (2); a pull rope (14) is provided between the upper swing sleeve (13), the lower swing sleeve (16) and the mounting plate (6); an upper swing rope (15) is provided at the top of the upper swing sleeve (13); a lower swing rope (17) is provided at the bottom of the lower swing sleeve (16); and a return torsion spring (12) is provided at the hinge of the mounting plate (6); The length of the pull rope (14) is greater than the swing amplitude of the mounting plate (6); The outer side of the front support frame (2) is sleeved with two groups of clamp sleeves (9) that can slide left and right, and a tension spring (10) is provided between the two groups of clamp sleeves (9) and the front support frame (2). The outer sides of the two groups of clamp sleeves (9) are provided with clamp ropes (11). A sliding groove begins at the handle of the pliers (7), and the inside of the sliding groove is slidably connected to a telescopic handle (8) hinged to the clamp sleeve (9).

2. The nasopharyngeal carcinoma cell extractor according to claim 1, characterized in that: The two groups of clamp ropes (11) are connected together at one end away from the clamp sliding sleeve (9).

3. The nasopharyngeal carcinoma cell extractor according to claim 2, characterized in that: The main rod (1) and the front support frame (2) are both provided with fixed pulleys, and the fixed pulleys are respectively distributed corresponding to the upper swing rope (15), the lower swing rope (17), and the two groups of clamp ropes (11). The upper swing rope (15), the lower swing rope (17), and the two groups of clamp ropes (11) all change the transmission direction through the fixed pulleys.

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