Peritoneal dialysis catheter fixing band with alarm function

Abstract

The invention relates to the technical field of peritoneal dialysis, and discloses a peritoneal dialysis catheter fixing band with an alarm function, which comprises a silica gel band, an opening is formed in the front part of the side wall of the silica gel band, a positioning seat is fixedly mounted on the front side wall of the silica gel band, and the peritoneal dialysis catheter fixing band further comprises a mounting sleeve, an equipment plate is fixedly mounted at the upper part of the side wall of the inner cavity of the mounting sleeve, and a dialysis catheter is arranged in the inner cavity of the opening; a clamping mechanism; a monitoring mechanism; an alarm mechanism; and a connecting mechanism. According to the device, through the arrangement of the connecting mechanism, a user can quickly dismantle the mounting sleeve, the user can conveniently maintain components on the positioning seat, through the arrangement of the clamping mechanism, the dialysis catheter can be quickly limited and fixed, and through the arrangement of the alarm mechanism and the detection mechanism, the detection efficiency is improved. When the dialysis catheter works, air is accompanied in dialysate or the dialysate does not flow, an alarm can be given in time, and it is guaranteed that a patient can safely conduct peritoneal dialysis treatment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of peritoneal dialysis, in particular to a peritoneal dialysis tube fixing belt with an alarm function. BACKGROUND

[0002] Peritoneal dialysis is to use the peritoneum as a semi-permeable membrane, and through gravity, the prepared dialysate is regularly and regularly injected into the patient's peritoneal cavity through the catheter. Because there is a concentration gradient difference of solute on both sides of the peritoneum, the solute on the high concentration side moves to the low concentration side (diffusion); water moves from the low osmotic side to the high osmotic side (osmosis). Through continuous replacement of peritoneal dialysis fluid, the purpose of removing metabolic products, toxic substances and correcting water and electrolyte balance disorders is achieved.

[0003] After searching, a peritoneal dialysis tube fixing belt for nephrology department is provided in patent publication No. CN213131175U, which comprises a silica gel belt, a rotating ring, a fixing mechanism and a locker. The middle part of the silica gel belt is fixedly embedded with a fixed tube penetrating the silica gel belt. The rotating ring is sleeved in the annular groove formed on the outer wall of the fixed tube and is rotationally connected with the annular groove. A plurality of eccentric sliding cavities are arranged in the rotating ring. Each eccentric sliding cavity is provided with a fixing mechanism for fixing the dialysis tube.

[0004] The above-mentioned patent has multiple fixing mechanisms, which can limit and fix the catheter. However, during use, it still has some disadvantages, such as the difficulty in disassembling the peritoneal dialysis tube, the lack of monitoring and alarm function, the inability to monitor the dialysate inside the peritoneal dialysis tube in real time, and the inability to ensure the safety of the patient during peritoneal dialysis treatment. Therefore, there is an urgent need for a peritoneal dialysis tube fixing belt with an alarm function. SUMMARY

[0005] The purpose of the present application is to provide a peritoneal dialysis tube fixing belt with an alarm function to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a peritoneal dialysis tube fixing belt with an alarm function, comprising a silica gel belt, an opening is formed in the front part of the side wall of the silica gel belt, elastic bands are fixedly installed on the left and right side walls of the silica gel belt, heating pads are fixedly installed on the inner walls of the left sides of the inner cavities of the silica gel belt, and a positioning seat is fixedly installed on the front side wall of the silica gel belt. It also includes:

[0007] A mounting sleeve is slidably installed on the side wall of the positioning seat, an equipment plate is fixedly installed on the inner cavity side wall of the mounting sleeve, and a dialysis catheter is arranged in the inner cavity of the opening.

[0008] A clamping mechanism is arranged on the upper end surface of the positioning seat, and is used for fixing the dialysis catheter;

[0009] A monitoring mechanism is arranged in the inner cavity of the dialysis catheter, and is used for monitoring whether the fluid flows in the dialysis catheter;

[0010] An alarm mechanism is arranged on the side wall of the equipment plate, and is used for detecting whether there is air in the dialysis catheter;

[0011] A connecting mechanism is arranged in the inner cavity of the mounting sleeve on the left and right sides, and is used for quickly disassembling and assembling the mounting sleeve.

[0012] Preferably, the clamping mechanism comprises an adjusting disc slidingly installed on the upper part of the inner cavity of the positioning seat, and a clamping block slidingly installed on the bottom surface of the inner cavity of the positioning seat, the lower end surface of the adjusting disc is provided with a square groove, the inner cavity of the square groove is slidingly installed with a square block, and the bottom surface of the inner cavity of the positioning seat is provided with an arc-shaped groove, and the inner cavity of the arc-shaped groove is slidingly installed with an arc-shaped block.

[0013] Preferably, the square block is fixedly installed on the upper end surface of the clamping block, the arc-shaped block is fixedly installed on the lower end surface of the clamping block, the square groove and the arc-shaped block are provided with a plurality of groups, and the clamping block is attached to the side wall of the dialysis catheter.

[0014] Preferably, the inner cavity bottom surface of the positioning seat is fixedly installed with a clamping motor on the outer side through a rack, the output shaft end of the clamping motor is fixedly installed with a driving gear, the outer side wall of the driving gear is meshingly installed with an arc-shaped gear ring, and the arc-shaped gear ring is fixedly installed on the lower end surface of the adjusting disc.

[0015] Preferably, the monitoring mechanism comprises a support frame fixedly installed on the side wall of the inner cavity of the dialysis catheter, and a center column rotatingly installed in the inner cavity of the support frame, the front and rear end surfaces of the center column are rotatingly installed with driving bevel gears, the end portions of the driving bevel gears are fixedly installed with flow guide impellers, and the flow guide impellers on the front and rear sides are symmetrically arranged.

[0016] Preferably, a positioning sleeve is fixedly installed on the outer side wall of the dialysis catheter, a positioning magnetic block is arranged in the inner cavity of the positioning sleeve, the positioning magnetic block is fixedly installed with a driven bevel gear through a connecting rod, the driven bevel gear is meshingly connected with the driving bevel gear, and the connecting rod is connected with the dialysis catheter.

[0017] Preferably, an induction coil is windingly installed on the side wall of the inner cavity of the positioning sleeve, a contact connected with the induction coil is fixedly installed on the outer side wall of the positioning sleeve, and a indicating lamp electrically connected with the contact is detachably installed on the outer side wall of the mounting sleeve on the left side.

[0018] Preferably, the alarm mechanism comprises an ultrasonic bubble detection sensor fixedly installed in the middle of the front end face of the equipment plate, and a controller fixedly installed at the lower part of the front end face of the equipment plate, a buzzer is fixedly installed on the outer side of the mounting sleeve on the right side, and the controller is electrically connected with the ultrasonic bubble detection sensor and the buzzer.

[0019] Preferably, the connecting mechanism comprises a clamping seat fixedly installed on the side wall of the left mounting sleeve, a receiving groove is formed in the side wall of the clamping seat, a reset spring is fixedly installed on the bottom surface of the inner cavity of the receiving groove, and a clamping block is slidingly installed in the inner cavity of the receiving groove.

[0020] Preferably, a clamping groove is formed in the side wall of the mounting sleeve on the right side, the volume of the clamping groove is equal to that of the clamping seat and the clamping block when the clamping block protrudes, the other end of the reset spring is fixedly installed on the side wall of the clamping block, an annular groove is formed in the side wall of the positioning seat, and the mounting sleeve can be clamped into the annular groove.

[0021] Compared with the prior art, the present application has the following beneficial effects:

[0022] 1. In the present application, when the patient is treated by dialysis, the dialysate will continuously flow out of the dialysis catheter, and under the action of the dialysate fluid, the flow guide impeller can be driven to rotate (the flow guide impellers on the front and rear sides are symmetrically arranged, so that the flow guide impeller can rotate when the device is used for flow guiding and drainage), the driving bevel gear is driven to rotate by the flow guide impeller, the driven bevel gear is fixedly connected with the positioning magnetic block through the connecting rod, at this time, the positioning magnetic block rotates in the inner cavity of the positioning sleeve, and the inductance coil is wound and installed on the side wall of the inner cavity of the positioning sleeve, the magnetic induction line of the rotating positioning magnetic block is cut by the inductance coil, an induced current is formed in the inductance coil, the contact transmits the induced current to the indicator lamp for constant lighting, so that the safety of the entire dialysis treatment is improved, and the safety of the patient during dialysis treatment is ensured.

[0023] 2. In the present application, the ultrasonic bubble detection sensor is arranged, and when the patient is treated by dialysis, the ultrasonic bubble detection sensor is in an open state, the dialysate in the dialysis catheter can be monitored in real time, when bubbles are found in the dialysate in the dialysis catheter, the ultrasonic bubble detection sensor can transmit an electric signal to the buzzer through the controller for warning and alarm, so that medical staff can be notified to check the progress of peritoneal dialysis in time, and the safety of the patient during peritoneal dialysis treatment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a front view of the overall structure of the peritoneal dialysis tube fixing belt with an alarm function.

[0025] Figure 2 It is a side view plane structure schematic diagram of a peritoneal dialysis tube fixing belt with an alarm function of the present application;

[0026] Figure 3 It is a side view plane structure schematic diagram of a peritoneal dialysis tube fixing belt with an alarm function of the present application;

[0027] Figure 4 It is a side view plane structure schematic diagram of a peritoneal dialysis tube fixing belt with an alarm function of the present application;

[0028] Figure 5 It is a side view plane structure schematic diagram of a peritoneal dialysis tube fixing belt with an alarm function of the present application;

[0029] Figure 6 It is a side view plane structure schematic diagram of a peritoneal dialysis tube fixing belt with an alarm function of the present application.

[0030] In the figure: 1, silica gel belt; 11, elastic belt; 12, heating pad; 2, positioning seat; 21, annular groove; 3, mounting sleeve; 31, clamping groove; 4, equipment plate; 5, dialysis catheter; 6, clamping mechanism; 61, adjusting disc; 62, clamping block; 611, square groove; 612, square block; 621, arc-shaped groove; 622, arc-shaped block; 63, clamping motor; 64, driving gear; 65, arc-shaped gear ring; 7, monitoring mechanism; 71, support frame; 72, center column; 73, driving bevel gear; 74, flow guide impeller; 75, positioning sleeve; 751, induction coil; 752, contact; 753, indicator light; 76, positioning magnetic block; 77, connecting rod; 78, driven bevel gear; 8, alarm mechanism; 81, ultrasonic bubble detection sensor; 82, controller; 83, buzzer; 9, connecting mechanism; 91, clamping seat; 911, storage groove; 912, return spring; 913, clamping block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0032] Please refer to Figures 1-6 The present application provides a peritoneal dialysis tube fixing belt with an alarm function technical solution:

[0033] The utility model provides a peritoneal dialysis tube fixing band with alarm function, including silica gel band 1, the front part of side wall of silica gel band 1 is equipped with opening, silica gel band 1's left and right side wall is fixedly installed with elastic band 11, silica gel band 1's inner chamber left side two side walls are fixedly installed with heating pad 12, silica gel band 1's front side wall is fixedly installed with positioning seat 2, still include:

[0034] Mounting sleeve 3 is slidably installed on the side wall of positioning seat 2, the inner chamber side wall upper portion of mounting sleeve 3 is fixedly installed with equipment plate 4, the inner chamber of opening is provided with dialysis catheter 5;

[0035] Clamping mechanism 6 is arranged on the upper end surface of positioning seat 2, and the clamping mechanism 6 is used for fixing the dialysis catheter 5;

[0036] Monitoring mechanism 7 is arranged in the inner chamber of dialysis catheter 5, and the monitoring mechanism 7 is used for monitoring whether fluid flows in the dialysis catheter 5;

[0037] Alarm mechanism 8 is arranged on the side wall of equipment plate 4, and the alarm mechanism 8 is used for detecting whether air exists in the dialysis catheter 5;

[0038] Connecting mechanism 9 is arranged in the inner chamber of the mounting sleeve 3 on the left and right sides, and the connecting mechanism 9 is used for quickly disassembling and assembling the mounting sleeve 3.

[0039] Further, the clamping mechanism 6 includes an adjusting disc 61 slidably installed on the upper portion of the inner chamber of the positioning seat 2, and a clamping block 62 slidably installed on the bottom surface of the inner chamber of the positioning seat 2, a square groove 611 is formed on the lower end surface of the adjusting disc 61, a square block 612 is slidably installed in the inner chamber of the square groove 611, an arc-shaped groove 621 is formed on the bottom surface of the inner chamber of the positioning seat 2, and an arc-shaped block 622 is slidably installed in the inner chamber of the arc-shaped groove 621;

[0040] The square block 612 is fixedly installed on the upper end surface of the clamping block 62, the arc-shaped block 622 is fixedly installed on the lower end surface of the clamping block 62, and the square groove 611 and the arc-shaped block 622 are provided with a plurality of groups, and the clamping block 62 is in close contact with the side wall of the dialysis catheter 5;

[0041] The clamping motor 63 is fixedly installed on the outer side of the bottom surface of the inner chamber of the positioning seat 2 through a rack, the output shaft end of the clamping motor 63 is fixedly installed with a drive gear 64, the outer side wall of the drive gear 64 is engagedly installed with an arc-shaped gear ring 65, and the arc-shaped gear ring 65 is fixedly installed on the lower end surface of the adjusting disc 61.

[0042] Need to explain, when installing the dialysis catheter 5, the user can make the dialysis catheter 5 from the opening of the silica gel tape 1, and then run by starting the clamping motor 63, so that the drive gear 64 rotates, and the drive gear 64 is connected with the arc gear 65, at this time the arc gear 65 will drive the upper adjusting disc 61 to rotate, under the limiting constraint of the square groove 611 on the side wall of the adjusting disc 61 to the square block 612 and the arc-shaped groove 621 on the positioning seat 2 to the arc-shaped block 622, at this time with the rotation of the adjusting disc 61, the multiple clamping blocks 62 can be simultaneously moved inward, until the side wall of the dialysis catheter 5 is contacted, that is, the installation of the dialysis catheter 5 is completed, which avoids the discomfort caused by the inclination of the dialysis catheter 5 during dialysis treatment.

[0043] Further, the monitoring mechanism 7 comprises a support frame 71 fixedly installed on the side wall of the inner cavity of the dialysis catheter 5, and a center column 72 rotatably installed in the inner cavity of the support frame 71. The front and rear end faces of the center column 72 are rotatably installed with drive bevel gears 73, the ends of the drive bevel gears 73 are fixedly installed with flow guide impellers 74, and the front and rear flow guide impellers 74 are symmetrically arranged;

[0044] A positioning sleeve 75 is fixedly installed on the upper part of the outer side wall of the dialysis catheter 5, a positioning magnetic block 76 is arranged in the middle of the inner cavity of the positioning sleeve 75, the positioning magnetic block 76 is fixedly installed with a driven bevel gear 78 through a connecting rod 77, the driven bevel gear 78 is connected with the drive bevel gear 73, and the connecting rod 77 is connected with the dialysis catheter 5;

[0045] An induction coil 751 is wound and installed on the inner cavity side wall of the positioning sleeve 75, a contact 752 connected with the induction coil 751 is fixedly installed on the outer side wall of the positioning sleeve 75, and a indicating lamp 753 electrically connected with the contact 752 is detachably installed on the outer side wall of the mounting sleeve 3.

[0046] Need to explain, when the patient is treated with dialysis, the dialysis fluid will continuously pass through the dialysis catheter 5, under the action of the dialysis fluid, the flow guide impeller 74 will be driven to rotate, the drive bevel gear 73 will drive the driven bevel gear 78 to rotate, the driven bevel gear 78 is fixedly connected with the positioning magnetic block 76 through the connecting rod 77, at this time the positioning magnetic block 76 will rotate in the inner cavity of the positioning sleeve 75, and the induction coil 751 wound and installed on the inner cavity side wall of the positioning sleeve 75 is arranged, the magnetic induction line of the rotating positioning magnetic block 76 will be cut by the induction coil 751, so that an induction current is formed in the induction coil 751, and then the induction current is transmitted to the indicating lamp 753 through the contact 752 for constant light, so as to improve the safety of the whole dialysis treatment, and ensure the safety of the patient during dialysis treatment.

[0047] Further, the alarm mechanism 8 comprises an ultrasonic bubble detection sensor 81 fixedly installed in the middle of the front end face of the equipment plate 4, and a controller 82 fixedly installed at the lower part of the front end face of the equipment plate 4, and a buzzer 83 fixedly installed on the outer side of the right mounting sleeve 3, and the controller 82 is electrically connected with the ultrasonic bubble detection sensor 81 and the buzzer 83.

[0048] It should be noted that through the setting of the ultrasonic bubble detection sensor 81, when the patient is treated by dialysis, the ultrasonic bubble detection sensor 81 is in an open state, which can monitor whether there is a bubble in the dialysis liquid inside the dialysis catheter 5 in real time, and when it is monitored that there is a bubble in the dialysis liquid inside the dialysis catheter 5, the ultrasonic bubble detection sensor 81 can transmit an electrical signal to the buzzer 83 through the controller 82 for warning alarm, so as to facilitate the medical staff to timely process and check the progress of peritoneal dialysis, so as to ensure that the patient can safely perform peritoneal dialysis treatment.

[0049] Further, the connecting mechanism 9 comprises a clamping seat 91 fixedly installed on the side wall of the left mounting sleeve 3, a receiving groove 911 is formed in the side wall of the clamping seat 91, a reset spring 912 is fixedly installed on the inner cavity bottom surface of the receiving groove 911, and a clamping block 913 is slidingly installed in the inner cavity of the receiving groove 911.

[0050] A clamping groove 31 is formed in the side wall of the right mounting sleeve 3, the volume of the clamping groove 31 is equal to that of the clamping block 913 when the clamping block 913 is extended, the other end of the reset spring 912 is fixedly installed on the side wall of the clamping block 913, and an annular groove 21 is formed in the side wall of the positioning seat 2, and the mounting sleeve 3 can be clamped into the annular groove 21.

[0051] It should be noted that the user can pull apart the mounting sleeves 3, at this time the inner wall of the clamping groove 31 will extrude the clamping block 913 to make it slide to the inner cavity of the receiving groove 911, and the reset spring 912 is compressed, and after the mounting sleeves 3 on both sides are separated, the clamping block 913 will slide out of the outside of the receiving groove 911 under the elastic force of the reset spring 912, so that the user can realize the function of quickly disassembling and assembling the mounting sleeve 3, which facilitates the regular maintenance operation of the internal components of the mounting sleeve 3, and improves the practicability of the whole device.

[0052] Working principle: when installing the dialysis catheter 5, the user can pass the dialysis catheter 5 from the opening of the silica gel tape 1, and then start the clamping motor 63 to operate, so that the drive gear 64 rotates, and the drive gear 64 is connected with the arc-shaped gear 65, at this time the arc-shaped gear 65 drives the upper adjusting disc 61 to rotate, under the limiting and positioning of the square slot 611 on the side wall of the adjusting disc 61 and the arc-shaped slot 621 on the positioning seat 2, when the adjusting disc 61 rotates, the multiple clamping blocks 62 can be simultaneously moved inward until they contact the side wall of the dialysis catheter 5, that is, the installation of the dialysis catheter 5 is completed, which avoids the discomfort caused by the inclination of the dialysis catheter 5 during dialysis treatment of the patient;

[0053] When the patient is treated with dialysis, the dialysis fluid will continuously pass through the dialysis catheter 5, and under the action of the dialysis fluid, the guide vane 74 can be driven to rotate (the front and rear guide vanes 74 are symmetrically arranged, so that the guide vane 74 can rotate during guiding and draining), the drive bevel gear 73 drives the driven bevel gear 78 to rotate, and the driven bevel gear 78 is fixedly connected with the positioning magnetic block 76 through the connecting rod 77, at this time the positioning magnetic block 76 rotates in the inner cavity of the positioning sleeve 75, and the inductive coil 751 is arranged on the inner cavity side wall of the positioning sleeve 75, the magnetic induction line of the rotating positioning magnetic block 76 is cut by the inductive coil 751, so that an induced current is formed in the inductive coil 751, and the inductive coil 751 is connected with the indicating lamp 753 through the contact 752 for constant light, so as to improve the safety of the entire dialysis treatment and ensure the safety of the patient during dialysis treatment.

[0054] Through the arrangement of the ultrasonic bubble detection sensor 81, when the patient is treated with dialysis, the ultrasonic bubble detection sensor 81 is in an open state, which can monitor whether there is a bubble in the dialysis fluid in the dialysis catheter 5 in real time, when it is monitored that there is a bubble in the dialysis fluid in the dialysis catheter 5, the ultrasonic bubble detection sensor 81 can transmit an electric signal to the buzzer 83 through the controller 82 for warning alarm, so as to notify medical staff to check the progress of peritoneal dialysis in time, so as to ensure that the patient can safely perform peritoneal dialysis treatment.

[0055] Finally, it should be noted that the above content is only used to illustrate the technical solutions of the present application, and is not a limitation on the protection scope of the present application, and the ordinary skilled in the art can make simple modifications or equivalent replacements to the technical solutions of the present application without departing from the essence and scope of the present application.

Claims

1. A peritoneal dialysis catheter fixing strap with alarm function, comprising a silicone strap (1), wherein the front of the side wall of the silicone strap (1) has an opening, elastic bands (11) are fixedly installed on the left and right side walls of the silicone strap (1), heating pads (12) are fixedly installed on the inner walls of the left side of the inner cavity of the silicone strap (1), and a positioning seat (2) is fixedly installed on the front side wall of the silicone strap (1), characterized in that, Also includes: The mounting sleeve (3) is slidably mounted on the side wall of the positioning seat (2). The upper part of the inner cavity side wall of the mounting sleeve (3) is fixedly mounted with a device plate (4). The inner cavity of the opening is provided with a dialysis catheter (5). A clamping mechanism (6) is provided on the upper end face of the positioning seat (2) and is used to fix the dialysis catheter (5). A monitoring mechanism (7) is installed in the inner cavity of the dialysis catheter (5) and is used to monitor whether the fluid in the dialysis catheter (5) is flowing. An alarm mechanism (8) is installed on the side wall of the equipment plate (4). The alarm mechanism (8) is used to detect whether there is air in the dialysis catheter (5). A connecting mechanism (9) is provided in the inner cavity of the mounting sleeves (3) on the left and right sides. The connecting mechanism (9) is used to quickly assemble and disassemble the mounting sleeves (3).

2. The peritoneal dialysis catheter fixing belt with alarm function according to claim 1, characterized in that: The clamping mechanism (6) includes an adjusting plate (61) slidably mounted on the upper part of the inner cavity of the positioning seat (2) and a clamping block (62) slidably mounted on the bottom surface of the inner cavity of the positioning seat (2). The lower end face of the adjusting plate (61) is provided with a square groove (611), and a square block (612) is slidably mounted in the inner cavity of the square groove (611). The bottom surface of the inner cavity of the positioning seat (2) is provided with an arc groove (621), and an arc block (622) is slidably mounted in the inner cavity of the arc groove (621).

3. The peritoneal dialysis catheter fixation belt with alarm function according to claim 2, characterized in that: The square block (612) is fixedly installed on the upper end face of the clamping block (62), and the arc-shaped block (622) is fixedly installed on the lower end face of the clamping block (62). Several sets of square grooves (611) and arc-shaped blocks (622) are provided. The clamping block (62) is in contact with the side wall of the dialysis catheter (5).

4. The peritoneal dialysis catheter fixation belt with alarm function according to claim 2, characterized in that: A clamping motor (63) is fixedly installed on the outer side of the inner cavity bottom surface of the positioning seat (2) via a frame. A drive gear (64) is fixedly installed on the output shaft end of the clamping motor (63). An arc-shaped gear ring (65) is meshed on the outer side wall of the drive gear (64). The arc-shaped gear ring (65) is fixedly installed on the lower end face of the adjusting plate (61).

5. A peritoneal dialysis catheter fixing belt with alarm function according to claim 1, characterized in that: The monitoring mechanism (7) includes a support frame (71) fixedly installed on the inner wall of the dialysis catheter (5) and a central column (72) rotatably installed in the inner cavity of the support frame (71). The front and rear end faces of the central column (72) are rotatably mounted with drive bevel gears (73), and the ends of the drive bevel gears (73) are fixedly mounted with guide impellers (74). The guide impellers (74) on the front and rear sides are symmetrically arranged.

6. A peritoneal dialysis catheter fixing belt with alarm function according to claim 5, characterized in that: A positioning sleeve (75) is fixedly installed on the upper part of the outer side wall of the dialysis catheter (5). A positioning magnetic block (76) is provided in the middle of the inner cavity of the positioning sleeve (75). A driven bevel gear (78) is fixedly installed on the positioning magnetic block (76) through a connecting rod (77). The driven bevel gear (78) is meshed with the driving bevel gear (73). The connecting rod (77) is connected through the dialysis catheter (5).

7. A peritoneal dialysis catheter fixing belt with alarm function according to claim 6, characterized in that: An induction coil (751) is wound and installed on the inner cavity side wall of the positioning sleeve (75), and a contact (752) connected to the induction coil (751) is fixedly installed on the outer side wall of the positioning sleeve (75). An indicator light (753) electrically connected to the contact (752) is detachably installed on the outer side wall of the mounting sleeve (3) on the left side.

8. A peritoneal dialysis catheter fixing belt with alarm function according to claim 1, characterized in that: The alarm mechanism (8) includes an ultrasonic bubble detection sensor (81) fixedly installed in the middle of the front face of the equipment plate (4), and a controller (82) fixedly installed in the lower part of the front face of the equipment plate (4). A buzzer (83) is fixedly installed on the outside of the mounting sleeve (3) on the right side. The controller (82) is electrically connected to the ultrasonic bubble detection sensor (81) and the buzzer (83).

9. A peritoneal dialysis catheter fixing belt with alarm function according to claim 1, characterized in that: The connecting mechanism (9) includes a locking seat (91) fixedly installed on the side wall of the left mounting sleeve (3). A storage groove (911) is provided on the side wall of the locking seat (91). A return spring (912) is fixedly installed on the bottom surface of the inner cavity of the storage groove (911). A locking block (913) is slidably installed in the inner cavity of the storage groove (911).

10. A peritoneal dialysis catheter fixing belt with alarm function according to claim 9, characterized in that: The mounting sleeve (3) located on the right side has a locking groove (31) on its side wall. The locking groove (31) has the same volume as the locking seat (91) and the locking block (913) when they are extended. The other end of the return spring (912) is fixedly installed on the side wall of the locking block (913). The positioning seat (2) has an annular groove (21) on its side wall. The mounting sleeve (3) can be locked into the annular groove (21).

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