Abdominal cavity hyperthermic perfusion chemotherapy device
By designing a left-right bed and lumbar pillow structure, and combining a pull rod to adjust the direction of the liquid outlet nozzle, the problems of insufficient flow and uneven distribution of traditional Chinese medicine liquids in the prior art are solved, and the efficiency of chemotherapy and the convenience of use of medical staff are improved. .
Patent Information
- Application Number
- CN202411685746.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The bed plate of the existing abdominal thermal perfusion chemotherapy device can only swing left and right, resulting in the liquid being able to flow in the left and right directions. It requires manual massage and push by medical staff to increase the contact surface between the liquid and the abdominal wall, and increase the working intensity of medical staff.
A device including a base, a heat infusion machine body and a bed plate is designed. By driving the motor, the screw rod and the slide rod can rotate the bed plate to the left and right, and combined with the up and down of the waist pillow, it realizes multi-directional movement of the patient's abdomen and the medicine liquid. Fully flow in the abdominal cavity and contact the wall; at the same time, adjust the liquid discharge direction of the liquid outlet through the pull rod to ensure the even distribution of the liquid.
It reduces the working intensity of medical staff, achieves comprehensive contact and uniform distribution of the medicine liquid in the abdominal cavity, and reduces the need for manual operation.
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Figure CN119257892A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of chemotherapy devices, and in particular to a peritoneal hyperthermic perfusion chemotherapy device. Background Art
[0002] Hyperthermia chemotherapy is a new therapy that combines chemotherapy and hyperthermia to treat tumors. Its principle is to use physical energy to heat chemotherapy drugs with good thermal effects, infuse them into the tumor site, raise the temperature of the tumor tissue to an effective treatment temperature, and maintain it for a certain period of time. It uses the difference in temperature tolerance between normal tissues and tumor cells to achieve the therapeutic goal of causing tumor cell apoptosis without damaging normal tissues.
[0003] The existing intraperitoneal hyperthermic perfusion chemotherapy device (Announcement No.: CN109893334A) has at least the following disadvantages:
[0004] In the above patent, when the patient is undergoing hot perfusion chemotherapy, the bed board can swing to change the patient's position, increase the contact area between the medicine and its abdominal wall, and maximize the effect of the medicine. Since the bed board in the above patent can only swing left and right, the medicine can only flow in the left and right direction. The front and back position of the patient's abdominal cavity still needs to be manually massaged and pushed by medical staff to promote the contact between the medicine and the abdominal wall, which increases the workload of medical staff and is inconvenient for medical staff to use. Summary of the invention
[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a peritoneal hyperthermic perfusion chemotherapy device.
[0006] In order to achieve the above object, the present invention adopts the following technical solutions:
[0007] A peritoneal hyperthermic perfusion chemotherapy device comprises a base, a hyperthermic perfusion machine body and a bed plate, wherein the bed plate is arranged above the base, the hyperthermic perfusion machine body is fixedly mounted on the upper surface of the base, two columns are symmetrically fixedly mounted on the upper surface of one end of the base, a mounting frame is rotatably mounted between the two columns, two groups of circular arc T-shaped slide rails are symmetrically fixedly mounted on the outer surfaces of the opposite sides of the mounting frame in pairs, two groups of circular arc T-shaped slide grooves are symmetrically opened in pairs on the lower surface of the bed plate, the circular arc T-shaped slide grooves are matched with the circular arc T-shaped slide rails, and the circular arc T-shaped slide rails are matched with the circular arc T-shaped slide rails. The inner wall of the groove is slidably installed, and the outer surfaces of the mounting frame on both sides opposite to one end of the column are penetrated with a limited sliding groove, a sliding rod is slidably installed between the inner walls of the limited sliding groove, a support rod is rotatably installed on the lower surface of the sliding rod, and the bottom end of the support rod is rotatably installed with the upper surface of the base, and a through hole is penetrated through the upper surface of the bed board, and two groups of T-blocks are symmetrically fixedly installed on the outer surfaces on both sides of the through hole, and a lumbar pillow is slidably installed between the two groups of four T-blocks, and a connecting rod is rotatably installed on the lower surface of the lumbar pillow, and the bottom end of the connecting rod is rotatably installed with the upper surface of the mounting frame.
[0008] As a further solution of the present invention, a fixing plate is fixedly installed between the inner walls of the mounting frame near one end of the support rod, a screw rod is rotatably installed on the outer surface of one side of the fixing plate, the screw rod passes through the outer surface of the sliding rod and is threadedly connected to it, a driving motor is fixedly installed on the outer surface of one end of the mounting frame, and the output end of the driving motor passes through the outer surface of the mounting frame and is fixedly installed on the rotation center of the other end of the screw rod.
[0009] As a further solution of the present invention, a driving gear is fixedly installed on the outer surface of the screw rod close to the driving motor, and a fan-shaped gear is fixedly installed on the lower surface of the bed board. The fan-shaped gear is meshed with the driving gear, and a group of two arc T-shaped slide rails and the fan-shaped gear are arranged at the same center.
[0010] As a further solution of the present invention, a bracket is fixedly installed on the upper surface of the base, a return pipe is fixedly installed on the top of the bracket, and an injection pipe is also fixedly installed on the top of the bracket. One end of the return pipe is connected to the return end of the hot perfusion machine body, and one end of the injection pipe is connected to the liquid outlet end of the hot perfusion machine body. The other ends of the return pipe and the injection pipe are both arranged in a Y shape.
[0011] As a further solution of the present invention, a plurality of openings are evenly penetrated through the outer surface of the liquid injection tube near the liquid outlet end, and liquid outlet nozzles are rotatably installed on the inner walls of the plurality of openings. A shell is fixedly installed on the inner wall of the liquid injection tube near the opening, and the liquid outlet nozzle is arranged inside the shell and slidably installed on the inner wall of the shell. A liquid inlet is opened at the bottom of the shell, and the liquid inlet end of the liquid outlet nozzle is connected to the liquid inlet at the bottom of the shell.
[0012] As a further solution of the present invention, a connecting piece is fixedly installed on the outer surface of the liquid outlet near the liquid inlet, a pull-out rod is arranged inside the liquid injection tube, the other end of the connecting piece is fixedly installed on the outer surface of the pull-out rod, a guide tube is fixedly installed on the outer surface of the liquid injection tube, the pull-out rod is arranged inside the guide tube, a sealing ring is arranged on the top end of the guide tube, one end of the pull-out rod passes through the inner wall of the sealing ring and is slidably installed therewith, and a scale mark is arranged on the outer surface of the pull-out rod near the sealing ring.
[0013] As a further solution of the present invention, a plurality of straps are provided on the upper surface of the bed board, and self-locking universal wheels are fixedly installed at the four corner positions of the lower surface of the base.
[0014] Compared with the prior art, the present invention has the following beneficial effects:
[0015] 1. The forward and reverse rotation of the driving motor drives the screw rod to rotate forward and reverse, so that the screw rod drives the slide bar to slide back and forth along the limiting slide groove, and through the slide bar and the support rod, the mounting frame swings up and down with the rotating mounting fulcrum of the column as the center of the circle. At the same time, the forward and reverse rotation of the screw rod drives the driving gear to rotate forward and reverse, and the driving gear drives the bed board to rotate back and forth left and right through the fan gear. Due to the back and forth rotation of the bed board, the lumbar pillow slides up and down through the connecting rod, and the lumbar pillow will reciprocate up and down against the patient's abdomen. Through this device, the patient can move in multiple directions, so that the hot perfusion chemotherapy liquid can fully flow inside the patient's abdominal cavity and make comprehensive contact with the patient's abdominal cavity inner wall. There is no need for manual massage and pushing by medical staff in the future, which greatly reduces the work intensity of medical staff and is convenient for medical staff to use;
[0016] 2. Medical staff can manually pull the pull rod at regular intervals to drive the liquid outlet nozzle to rotate through the connecting piece. Through this device, the liquid outlet nozzle can be adjusted according to the chemotherapy time to prevent the liquid sprayed from the liquid outlet nozzle from always impacting one position of the abdominal cavity, so that the sprayed liquid medicine can be sprayed in multiple directions, further improving the uniformity of the liquid medicine in the patient's abdominal cavity. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the overall structure of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0018] Figure 2 This is a rear structural schematic diagram of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0019] Figure 3 This is a bottom-up structural schematic diagram of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0020] Figure 4This is a left-side structural schematic diagram of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0021] Figure 5 This is a schematic diagram of the top view of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0022] Figure 6 A schematic diagram of a thermal perfusion device of a peritoneal thermal perfusion chemotherapy device proposed by the present invention;
[0023] Figure 7 A schematic diagram of a drug injection tube of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0024] Figure 8 A schematic diagram of a pull-out rod of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0025] Fig. 9 for Figure 8 A partial enlarged schematic diagram in the middle;
[0026] Fig.10 This is a schematic diagram of a shell of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention;
[0027] Fig.11 This is a schematic structural diagram of a peritoneal hyperthermic perfusion chemotherapy device proposed by the present invention.
[0028] In the figure: 1. base; 2. bed board; 3. mounting frame; 4. column; 5. arc T-shaped slide rail; 6. arc T-shaped slide groove; 7. drive motor; 8. support rod; 9. limit slide groove; 10. fixed plate; 11. slide rod; 12. screw rod; 13. fan gear; 14. drive gear; 15. through hole; 16. T-shaped block; 17. lumbar pillow; 18. belt; 19. bracket; 20. hot perfusion machine body; 21. return pipe; 22. injection pipe; 23. pull rod; 24. guide pipe; 25. opening; 26. shell; 27. liquid outlet nozzle; 28. connecting piece; 29. connecting rod; 30. scale mark. DETAILED DESCRIPTION
[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0030] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0032] Reference Figure 1-Figure 11A peritoneal hyperthermic perfusion chemotherapy device comprises a base 1, a hyperthermic perfusion machine body 20 and a bed plate 2, wherein the bed plate 2 is arranged above the base 1, and the hyperthermic perfusion machine body 20 is fixedly mounted on the upper surface of the base 1, and two columns 4 are symmetrically fixedly mounted on the upper surface of one end of the base 1, and a mounting frame 3 is rotatably mounted between the two columns 4, and two groups of arc T-shaped slide rails 5 are symmetrically fixedly mounted on the outer surfaces of the opposite sides of the mounting frame 3 in pairs, and two groups of arc T-shaped slide rails 5 are symmetrically opened in pairs on the lower surface of the bed plate 2. The arc T-shaped slide groove 6 is matched with the arc T-shaped slide rail 5, and the arc T-shaped slide rail 5 is slidably installed on the inner wall of the arc T-shaped slide groove 6. The outer surface of the mounting frame 3 on both sides of the opposite sides away from the column 4 is penetrated with a limited slide groove 9, and a slide rod 11 is slidably installed between the inner walls of the limited slide groove 9. The lower surface of the slide rod 11 is rotatably installed with a support rod 8. The bottom end of the support rod 8 is rotatably installed with the upper surface of the base 1, and the upper surface of the bed plate 2 is penetrated with a through hole 1 5. Two groups of T-blocks 16 are symmetrically fixedly installed on the outer surfaces of the two opposite sides of the through hole 15, and a lumbar pillow 17 is slidably installed between the two groups of four T-blocks 16. A connecting rod 29 is rotatably installed on the lower surface of the lumbar pillow 17. The bottom end of the connecting rod 29 is rotatably installed with the upper surface of the mounting frame 3. A fixing plate 10 is fixedly installed between the inner wall of the mounting frame 3 near one end of the support rod 8. A screw rod 12 is rotatably installed on the outer surface of one side of the fixing plate 10. The screw rod 12 penetrates the outer surface of the sliding rod 11 and is threadedly connected with it. A driving motor 7 is fixedly installed on the outer surface of one end of the mounting frame 3. The output end of the driving motor 7 penetrates the outer surface of the mounting frame 3 and is fixedly installed at the rotation center of the other end of the screw rod 12. A driving gear 14 is fixedly installed on the outer surface of the screw rod 12 near the driving motor 7. A fan gear 13 is fixedly installed on the lower surface of the bed board 2. The fan gear 13 is meshed with the driving gear 14. A group of two arc T-shaped slide rails 5 and the fan gear 13 are located at the same center.
[0033] The forward and reverse rotation of the driving motor 7 drives the screw rod 12 to rotate forward and reverse, so that the screw rod 12 drives the sliding rod 11 to slide back and forth along the limiting sliding groove 9, and through the sliding rod 11 and the supporting rod 8, the mounting frame 3 swings up and down with the rotating mounting fulcrum of the column 4 as the center. At the same time, the forward and reverse rotation of the screw rod 12 drives the driving gear 14 to rotate forward and reverse, and the driving gear 14 drives the bed board 2 to rotate back and forth left and right through the fan gear 13. Due to the reciprocating rotation of the bed board 2, the lumbar pillow 17 slides up and down through the connecting rod 29, and the lumbar pillow 17 will reciprocate up and down against the patient's abdomen. Through this device, the patient can move in multiple directions, so that the hot perfusion chemotherapy solution can fully flow inside the patient's abdominal cavity and make comprehensive contact with the patient's abdominal cavity inner wall. There is no need for medical staff to manually massage and push in the future, which greatly reduces the workload of medical staff and is convenient for medical staff to use.
[0034] In this embodiment, a bracket 19 is fixedly installed on the upper surface of the base 1, a liquid return pipe 21 is fixedly installed on the top of the bracket 19, and a liquid injection pipe 22 is also fixedly installed on the top of the bracket 19. One end of the liquid return pipe 21 is connected to the liquid return end of the hot perfusion machine body 20, and one end of the liquid injection pipe 22 is connected to the liquid outlet end of the hot perfusion machine body 20. The other ends of the liquid return pipe 21 and the liquid injection pipe 22 are both Y-shaped. A plurality of openings 25 are evenly penetrated through the outer surface of the liquid injection pipe 22 near the liquid outlet end, and liquid outlet nozzles 27 are rotatably installed on the inner walls of the plurality of openings 25. A shell 26 is fixedly installed on the inner wall of the liquid injection pipe 22 near the opening 25. The liquid outlet nozzle 27 is arranged inside the shell 26 and slidably installed with its inner wall. A liquid inlet is opened at the bottom of the shell 26, and the liquid inlet end of the liquid outlet nozzle 27 is connected to the liquid inlet at the bottom of the shell 26.
[0035] The return tube 21 and the injection tube 22 are surgically placed inside the patient's abdomen. It should be noted that after the return tube 21 and the injection tube 22 are placed, they need to be fixed to the patient's abdomen with tape to prevent them from shaking. The hot perfusion machine body 20 is turned on to allow the hot perfusion machine body 20 to inject the chemotherapy solution into the patient's abdominal cavity through the injection tube 22, and then the solution is recovered through the return tube 21 so that the solution can circulate inside the patient's abdominal cavity to perform chemotherapy treatment on the patient.
[0036] In this embodiment, a connecting piece 28 is fixedly installed on the outer surface of the liquid outlet nozzle 27 near the liquid inlet, a pull-out rod 23 is arranged inside the liquid injection tube 22, the other end of the connecting piece 28 is fixedly installed on the outer surface of the pull-out rod 23, a guide tube 24 is fixedly installed on the outer surface of the liquid injection tube 22, the pull-out rod 23 is arranged inside the guide tube 24, a sealing ring is arranged on the top end of the guide tube 24, one end of the pull-out rod 23 passes through the inner wall of the sealing ring and is slidably installed therewith, a scale mark 30 is arranged on the outer surface of the pull-out rod 23 near the sealing ring, and the connecting piece 28 is made of flexible medical plastic material and has the characteristic of elastic deformation.
[0037] Medical staff can manually pull the pull rod 23 at regular intervals to drive the liquid outlet nozzle 27 to rotate through the connecting piece 28. Through this device, the liquid outlet direction of the liquid outlet nozzle 27 can be adjusted according to the chemotherapy time to prevent the liquid sprayed from the liquid outlet nozzle 27 from always impacting one position of the abdominal cavity, so that the sprayed medicine can be in multiple directions, further improving the uniformity of the medicine in the patient's abdominal cavity.
[0038] In this embodiment, a plurality of straps 18 are provided on the upper surface of the bed board 2, and self-locking universal wheels are fixedly installed at the four corner positions of the lower surface of the base 1. The patient's position is fixed by the straps 18, and the position is easily moved by the self-locking universal wheels.
[0039] In this embodiment, the pull rod 23 and the sealing ring are interference fit, ensuring that the pull rod 23 can be stopped by friction with the sealing ring. Medical staff can adjust the position of the pull rod 23 on time by observing the position of the scale mark 30 with the naked eye.
[0040] It should be noted that when the present invention is used, the patient lies on the upper surface of the bed board 2 according to the requirements of the medical staff, the patient's waist and back near the abdomen are located above the waist pillow 17, and then the patient's position is fixed by the belt 18 to prevent the patient from moving around; then the return pipe 21 and the injection pipe 22 are surgically placed inside the patient's abdomen. It should be noted that after the return pipe 21 and the injection pipe 22 are placed, they need to be fixed to the patient's abdomen with tape to prevent them from shaking, and the hot perfusion machine body 2 is opened. 0, so that the hot perfusion machine body 20 injects the medicine required for chemotherapy into the patient's abdominal cavity through the injection tube 22, and then recovers the medicine through the return tube 21, so that the medicine can circulate inside the patient's abdominal cavity to perform chemotherapy on the patient; the forward and reverse rotation of the driving motor 7 drives the screw rod 12 to rotate forward and reverse, so that the screw rod 12 drives the slide rod 11 to slide back and forth along the limit slide groove 9, and through the slide rod 11 and the support rod 8, the mounting frame 3 swings up and down with the rotation mounting fulcrum of the column 4 as the center of the circle, and at the same time, The forward and reverse rotation of the screw rod 12 drives the driving gear 14 to rotate forward and reverse, and the driving gear 14 drives the bed board 2 to rotate back and forth left and right through the fan gear 13. Due to the reciprocating rotation of the bed board 2, the lumbar pillow 17 slides up and down through the connecting rod 29, and the lumbar pillow 17 will reciprocate up and down against the patient's abdomen. Through this device, the patient can move in multiple directions, so that the hot perfusion chemotherapy liquid can fully flow inside the patient's abdominal cavity and make comprehensive contact with the patient's abdominal cavity inner wall. There is no need for manual massage and promotion by medical staff in the subsequent process, which greatly reduces the work intensity of medical staff and facilitates the use of medical staff; when in use, the medical staff can manually pull the pull rod 23 at regular intervals to drive the liquid outlet nozzle 27 to rotate in the direction through the connecting piece 28. Through this device, the liquid outlet direction of the liquid outlet nozzle 27 can be adjusted according to the chemotherapy time to avoid the liquid sprayed from the liquid outlet nozzle 27 always impacting one position of the abdominal cavity, so that the sprayed liquid can be in multiple directions, further improving the uniformity of the liquid in the patient's abdominal cavity.
[0041] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. A peritoneal hyperthermic perfusion chemotherapy device, comprising a base (1), a hyperthermic perfusion machine body (20) and a bed plate (2), wherein the bed plate (2) is arranged above the base (1), and the hyperthermic perfusion machine body (20) is fixedly mounted on the upper surface of the base (1), characterized in that: Two columns (4) are symmetrically fixedly installed on the upper surface of one end of the base (1), and a mounting frame (3) is rotatably installed between the two columns (4). Two groups of arc T-shaped slide rails (5) are symmetrically fixedly installed on the outer surfaces of the mounting frame (3) on opposite sides in pairs. Two groups of arc T-shaped slide grooves (6) are symmetrically opened on the lower surface of the bed board (2) in pairs. The arc T-shaped slide grooves (6) are matched with the arc T-shaped slide rails (5). The arc T-shaped slide rails (5) are slidably installed on the inner walls of the arc T-shaped slide grooves (6). The outer surfaces of the opposite sides of one end of the mounting frame (3) away from the columns (4) are penetrated by limited position slide grooves (9). A slide bar (11) is slidably installed between the inner walls of the limiting slide groove (9), a support bar (8) is rotatably installed on the lower surface of the slide bar (11), the bottom end of the support bar (8) is rotatably installed on the upper surface of the base (1), a through hole (15) is penetrated through the upper surface of the bed board (2), two groups of T-shaped blocks (16) are symmetrically fixedly installed in pairs on the outer surfaces of the opposite sides of the through hole (15), a lumbar pillow (17) is slidably installed between the two groups of four T-shaped blocks (16), a connecting rod (29) is rotatably installed on the lower surface of the lumbar pillow (17), and the bottom end of the connecting rod (29) is rotatably installed on the upper surface of the mounting frame (3).
2. The device for intraperitoneal hyperthermic perfusion chemotherapy according to claim 1, characterized in that: A fixing plate (10) is fixedly installed between the inner walls of the mounting frame (3) near one end of the support rod (8); a screw rod (12) is rotatably installed on the outer surface of one side of the fixing plate (10); the screw rod (12) passes through the outer surface of the sliding rod (11) and is threadedly connected thereto; a driving motor (7) is fixedly installed on the outer surface of one end of the mounting frame (3); the output end of the driving motor (7) passes through the outer surface of the mounting frame (3) and is fixedly installed at the rotation center of the other end of the screw rod (12).
3. The device for intraperitoneal hyperthermic perfusion chemotherapy according to claim 2, characterized in that: A driving gear (14) is fixedly mounted on the outer surface of the screw rod (12) near the driving motor (7), a fan-shaped gear (13) is fixedly mounted on the lower surface of the bed plate (2), the fan-shaped gear (13) is meshed with the driving gear (14), and a group of two arc T-shaped slide rails (5) and the fan-shaped gear (13) are arranged at the same center.
4. The device for intraperitoneal hyperthermic perfusion chemotherapy according to claim 1, characterized in that: A bracket (19) is fixedly mounted on the upper surface of the base (1), a liquid return pipe (21) is fixedly mounted on the top of the bracket (19), and a liquid injection pipe (22) is also fixedly mounted on the top of the bracket (19), one end of the liquid return pipe (21) is connected to the liquid return end of the hot perfusion machine body (20), one end of the liquid injection pipe (22) is connected to the liquid outlet end of the hot perfusion machine body (20), and the other ends of the liquid return pipe (21) and the liquid injection pipe (22) are both arranged in a Y shape.
5. The device for intraperitoneal hyperthermic perfusion chemotherapy according to claim 4, characterized in that: The outer surface of the injection tube (22) near the liquid outlet end is uniformly penetrated with a plurality of openings (25), and the inner walls of the plurality of openings (25) are rotatably mounted with liquid outlet nozzles (27). The inner wall of the injection tube (22) near the opening (25) is fixedly mounted with a shell (26), and the liquid outlet nozzle (27) is arranged inside the shell (26) and slidably mounted on the inner wall of the shell (26). The opening is provided with a liquid inlet, and the liquid inlet end of the liquid outlet nozzle (27) is connected to the liquid inlet at the bottom of the shell (26).
6. The device for intraperitoneal hyperthermic perfusion chemotherapy according to claim 5, characterized in that: A connecting piece (28) is fixedly installed on the outer surface of the liquid outlet nozzle (27) near the liquid inlet, a pull-out rod (23) is arranged inside the liquid injection tube (22), the other end of the connecting piece (28) is fixedly installed on the outer surface of the pull-out rod (23), a guide tube (24) is fixedly installed on the outer surface of the liquid injection tube (22), the pull-out rod (23) is arranged inside the guide tube (24), a sealing ring is arranged at the top end of the guide tube (24), one end of the pull-out rod (23) passes through the inner wall of the sealing ring and is slidably installed therewith, and a scale mark (30) is arranged on the outer surface of the pull-out rod (23) near the sealing ring.
7. The device for intraperitoneal hyperthermic perfusion chemotherapy according to claim 1, characterized in that: The upper surface of the bed board (2) is provided with a plurality of straps (18), and the four corner positions of the lower surface of the base (1) are all fixedly mounted with self-locking universal wheels.
Citation Information
Patent Citations
Abdominal cavity thermal perfusion chemotherapy device
CN109893334A