CN219764115U - Hemodialysis pipe interface fixing device - Google Patents
Hemodialysis pipe interface fixing device Download PDFInfo
- Publication number
- CN219764115U CN219764115U CN202321318877.6U CN202321318877U CN219764115U CN 219764115 U CN219764115 U CN 219764115U CN 202321318877 U CN202321318877 U CN 202321318877U CN 219764115 U CN219764115 U CN 219764115U
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- Prior art keywords
- bottom plate
- groove
- limiting
- block
- top plate
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- 238000001631 haemodialysis Methods 0.000 title claims abstract description 21
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 21
- 238000000502 dialysis Methods 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010241 blood sampling Methods 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
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- External Artificial Organs (AREA)
Abstract
The utility model relates to the technical field of catheter fixation, and particularly discloses a hemodialysis catheter interface fixing device, which comprises: the device comprises a bottom plate, a fixed groove, a limiting block, a limiting groove, a guide pipe, a protruding block, a mounting seat, a first mounting groove, a joint, a top plate, a limiting seat, a second mounting groove and a dialysis pipe; when the catheter, the dialysis tube and the connector are connected, the two sides of the protruding block are abutted against the bottom plate and the limiting block, so that the catheter and the dialysis tube are limited to slide, the catheter and the dialysis tube are prevented from falling off, the catheter and the dialysis tube are further protected after the top plate is covered, meanwhile, the limiting seat is connected with the connector, the connector is prevented from shaking, the reliability is improved, the top plate and the bottom plate are quickly and stably connected by utilizing the connecting component, the bottom plate and the top plate are wound by utilizing the adhesive tape, the stability of the catheter is further fixed, the bottom plate can be hung on clothes of a patient by the clamping piece, and the use is convenient.
Description
Technical Field
The utility model belongs to the technical field of catheter fixation, and particularly relates to a hemodialysis catheter interface fixing device.
Background
Hemodialysis is one of kidney replacement treatment modes of patients with acute and chronic renal failure, and is characterized in that in-vivo blood is drained to the outside of the body, and is subjected to substance exchange with electrolyte solution with similar concentration of an organism inside and outside one hollow fiber through a dialyzer consisting of innumerable hollow fibers by virtue of dispersion, ultrafiltration, adsorption and convection principles, so that metabolic wastes in the body are removed, and the balance of electrolyte and acid and alkali is maintained; meanwhile, the whole process of removing excessive moisture in the body and reinfusion of purified blood is called hemodialysis, and a hemodialysis catheter consists of a blood sampling column and an arterial catheter and a venous catheter which are connected in a forked way in the extending direction.
In chinese patent publication No. CN217339732U, a hemodialysis catheter fixing device is mentioned, comprising a magic tape ring and a fixing assembly; the ring body is sleeved on the arm of a patient, the angle of the square plate is further adjusted through the universal joint, after the angle adjustment of the square plate is finished, the arterial catheter or the venous catheter is erected on the inner groove of the arc plate, the rotary table is further manually rotated, the screw rod is driven to rotate by the rotary table, the front and back spiral lines are symmetrically arranged on the mounting plate through the screw rod, the two groups of sliding blocks do deviating movement or relative movement towards the mounting plate, the two groups of arc plates are driven to gradually draw together through the relative movement of the two groups of sliding blocks until the inner groove of the two groups of arc plates clamps the arterial catheter or the venous catheter, the fixing piece is provided with two groups, one group of fixing piece is used for fixing the arterial catheter, and the other group of fixing piece is used for fixing the venous catheter, so that the arterial catheter and the venous catheter in the hemodialysis catheter are rapidly fixed, and the hemodialysis catheter fixing device is required to be clamped through the screw rod driving mounting plate, so that the clamping force is not well controlled, the clamping force is too large, the catheter is easy to deform to cause blood blocking, and the fixing effect is difficult to be ensured, and improvement is required;
in view of the above, the inventors propose a hemodialysis catheter hub fixing device to solve the above-mentioned problems.
Disclosure of Invention
The present utility model is directed to a hemodialysis catheter hub fixing device, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a hemodialysis catheter hub fixation device comprising:
the device comprises a bottom plate, wherein four limiting blocks are fixedly arranged on the inner wall of the bottom plate, limiting grooves are formed in the limiting blocks, an installation seat is fixedly arranged in the middle of the bottom plate, and a first installation groove is formed in the installation seat;
the connector is clamped in the first mounting groove;
the top plate is rotationally connected with the bottom plate, and four fixing grooves are formed in the top plate and the bottom plate;
the guide pipe is abutted against the limit groove, and one end of the guide pipe is connected with the joint;
the dialysis tube, one end of the dialysis tube is connected with one end of the joint far away from the catheter, and the dialysis tube and the catheter are both fixed with protruding blocks, and the protruding blocks are positioned between the fixing groove and the limiting block;
and the connecting assembly is positioned at the edges of the bottom plate and the top plate.
Preferably, a limiting seat is fixed on the inner wall of the top plate, and the limiting seat is matched with the mounting seat.
Preferably, the limiting seat is provided with a second mounting groove, and the width of the second mounting groove is larger than that of the first mounting groove.
Preferably, the connecting assembly comprises a clamping block installed on the top plate, a clamping groove is formed in the edge of the bottom plate, the clamping block is matched with the clamping groove, a sliding block is connected to the inner wall of the bottom plate in a sliding mode, one end of the sliding block can extend to the inner wall of the clamping groove, the sliding block can be clamped with the clamping block, and a limiting spring is connected between the sliding block and the inner wall of the bottom plate.
Preferably, the inner wall sliding connection of bottom plate has the dead lever, the one end of dead lever with slider fixed connection, the other end of dead lever is fixed with the slide.
Preferably, the surface of the sliding plate is provided with a thread groove, the section of one end of the clamping block is trapezoid, and the section of one end of the sliding block is triangle.
Preferably, a clamping piece is mounted at the bottom of the bottom plate, and the clamping piece is made of elastic materials.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the bottom plate, the fixed groove, the limiting block, the limiting groove, the guide pipe, the protruding block, the mounting seat, the first mounting groove, the connector, the top plate, the limiting seat, the second mounting groove and the dialysis pipe are arranged, so that when the guide pipe, the dialysis pipe and the connector are connected, two sides of the protruding block are in conflict with the bottom plate and the limiting block, and further the guide pipe and the dialysis pipe are limited to slide, so that the guide pipe and the dialysis pipe are prevented from falling off, the guide pipe and the dialysis pipe are further protected after the top plate is covered, meanwhile, the limiting seat is connected with the connector, the connector is prevented from shaking, and the reliability is improved.
(2) According to the utility model, the clamping block, the clamping groove, the sliding block, the limiting spring, the fixing rod, the sliding plate and the clamping piece are arranged, so that the top plate and the bottom plate are connected quickly and stably, the separation of the guide pipe is avoided, the bottom plate and the top plate are wound by using the adhesive tape, the stability of the guide pipe is further fixed, the bottom plate can be hung on the clothes of a patient through the clamping piece, and the use is convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the connection of the clamping block, clamping groove and sliding block of the present utility model;
FIG. 3 is a schematic illustration of the connection of the slider, the fixing rod and the slider of the present utility model;
FIG. 4 is a schematic illustration of the connection of the base plate, top plate and clip of the present utility model;
in the figure: 1. a bottom plate; 2. a fixing groove; 3. a limiting block; 4. a limit groove; 5. a conduit; 6. a protruding block; 7. a mounting base; 8. a first mounting groove; 9. a joint; 10. a top plate; 11. a limit seat; 12. a second mounting groove; 13. a clamping block; 14. a clamping groove; 15. a slide block; 16. a limit spring; 17. a fixed rod; 18. a slide plate; 19. a clamping piece; 20. dialysis tubing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
referring to fig. 1 to 4, a hemodialysis catheter hub fixing device includes:
the device comprises a bottom plate 1, wherein four limiting blocks 3 are fixedly arranged on the inner wall of the bottom plate 1, limiting grooves 4 are formed in the limiting blocks 3, an installation seat 7 is fixed in the middle of the bottom plate 1, and a first installation groove 8 is formed in the installation seat 7;
the connector 9 is clamped in the first mounting groove 8;
the top plate 10 is rotationally connected with the bottom plate 1, and four fixing grooves 2 are formed in the top plate 10 and the bottom plate 1;
the guide pipe 5 is in contact with the limit groove 4, and one end of the guide pipe 5 is connected with the joint 9;
the dialysis tube 20, one end of the dialysis tube 20 is connected with one end of the joint 9 far away from the guide tube 5, the dialysis tube 20 and the guide tube 5 are both fixed with the protruding block 6, and the protruding block 6 is positioned between the fixed groove 2 and the limiting block 3;
and the connecting assembly is positioned at the edges of the bottom plate 1 and the top plate 10.
The inner wall of roof 10 is fixed with spacing seat 11, and spacing seat 11 matches with mount pad 7.
The limiting seat 11 is provided with a second mounting groove 12, and the width of the second mounting groove 12 is larger than that of the first mounting groove 8.
The catheter 5 and the dialysis tube 20 are placed in the bottom plate 1 and are connected through the joint 9, the catheter 5 and the dialysis tube 20 are limited to horizontally slide by abutting the inner wall of the bottom plate 1 and the limiting block 3 through the protruding block 6, and the top plate 10 is covered, so that the catheter 5, the dialysis tube 20 and the joint 9 can be limited, and the catheter 5 is installed quickly and stably.
From the above, when the staff installs the venous and arterial catheter 5, only need be connected two catheters 5, two dialysis tubes 20 respectively with fixed slot 2, make protruding piece 6 side and bottom plate 1, stopper 3 conflict simultaneously, and then restrict catheter 5 and dialysis tube 20 slip, thereby have very strong tensile effect, avoid catheter 5 and dialysis tube 20 to drop, then be connected catheter 5 and dialysis tube 20 respectively with the joint 9 both ends in the mount pad 7, joint 9 carries out spacingly through first mounting slot 8, cover roof 10 afterwards, make spacing seat 11 conflict with mount pad 7, thereby fix joint 9, in addition second mounting slot 12 is greater than first mounting slot 8, be convenient for spacing seat 11 is connected with joint 9, prevent unexpected clamp joint 9, cause the damage for joint 9, thereby can stabilize fast and make two catheters 5 and two dialysis tubes 20 be connected, the tensile effect is good, and is reliable.
Embodiment two:
the coupling assembling is including installing fixture block 13 on roof 10, and draw-in groove 14 has been seted up at the edge of bottom plate 1, and fixture block 13 and draw-in groove 14 assorted, and the inner wall sliding connection of bottom plate 1 has slider 15, and the inner wall of draw-in groove 14 can be extended to the one end of slider 15, and slider 15 can with fixture block 13 block, be connected with spacing spring 16 between slider 15 and the inner wall of bottom plate 1.
The inner wall sliding connection of bottom plate 1 has dead lever 17, and the one end and the slider 15 fixed connection of dead lever 17, the other end of dead lever 17 are fixed with slide 18.
The surface of the sliding plate 18 is provided with a thread groove, the section of one end of the clamping block 13 is trapezoid, and the section of one end of the sliding block 15 is triangle.
The bottom of the base plate 1 is provided with a clip 19, the clip 19 being made of an elastic material.
From the above, when the top plate 10 and the bottom plate 1 are connected, the clamping block 13 is connected with the clamping groove 14, meanwhile, the clamping block 13 firstly abuts against the sliding block 15 to slide and compress the limiting spring 16, then the sliding block 15 is reset and stably abuts against the clamping block 13 under the action of the limiting spring 16, the limiting clamping block 13 is separated from the clamping groove 14, the top plate 10 is stably connected with the bottom plate 1, only the sliding plate 18 is needed to slide to drive the fixing rod 17 and the sliding block 15 to slide during disassembly and inspection, the sliding block 15 is separated from the clamping block 13, the top plate 10 is convenient to open, in order to further improve the stability of the fixing guide pipe 5, the top plate 10 is prevented from being privately opened by a patient, the bottom plate 1 and the top plate 10 are further fixed by using the adhesive tape to further prevent the guide pipe 5 from falling off, so that the dialysis reliability is guaranteed, and the bottom plate 1 can be hung on the clothes of a patient through the clamping piece 19.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A hemodialysis catheter hub fixation device, comprising:
the novel anti-theft device comprises a bottom plate (1), wherein four limiting blocks (3) are fixedly arranged on the inner wall of the bottom plate (1), limiting grooves (4) are formed in the limiting blocks (3), an installation seat (7) is fixedly arranged in the middle of the bottom plate (1), and a first installation groove (8) is formed in the installation seat (7);
the connector (9) is clamped in the first mounting groove (8);
the top plate (10), the top plate (10) is rotationally connected with the bottom plate (1), and four fixing grooves (2) are formed in the top plate (10) and the bottom plate (1);
the guide pipe (5) is in contact with the limit groove (4) and one end of the guide pipe (5) is connected with the joint (9);
the dialysis tube (20), one end of the dialysis tube (20) is connected with one end of the joint (9) far away from the guide tube (5), the dialysis tube (20) and the guide tube (5) are both fixed with a protruding block (6), and the protruding block (6) is positioned between the fixed groove (2) and the limiting block (3);
and the connecting assembly is positioned at the edges of the bottom plate (1) and the top plate (10).
2. A hemodialysis catheter hub fastening device according to claim 1, wherein: the inner wall of the top plate (10) is fixed with a limiting seat (11), and the limiting seat (11) is matched with the mounting seat (7).
3. A hemodialysis catheter hub fastening device according to claim 2, wherein: the limiting seat (11) is provided with a second mounting groove (12), and the width of the second mounting groove (12) is larger than that of the first mounting groove (8).
4. A hemodialysis catheter hub fastening device according to claim 1, wherein: the connecting assembly comprises a clamping block (13) arranged on the top plate (10), a clamping groove (14) is formed in the edge of the bottom plate (1), the clamping block (13) is matched with the clamping groove (14), a sliding block (15) is slidably connected to the inner wall of the bottom plate (1), one end of the sliding block (15) can extend to the inner wall of the clamping groove (14), the sliding block (15) can be clamped with the clamping block (13), and a limiting spring (16) is connected between the sliding block (15) and the inner wall of the bottom plate (1).
5. The hemodialysis catheter hub fastening device of claim 4, wherein: the inner wall sliding connection of bottom plate (1) has dead lever (17), the one end of dead lever (17) with slider (15) fixed connection, the other end of dead lever (17) is fixed with slide (18).
6. A hemodialysis catheter hub fastening device according to claim 5, wherein: the surface of the sliding plate (18) is provided with a thread groove, the section of one end of the clamping block (13) is trapezoid, and the section of one end of the sliding block (15) is triangle.
7. The hemodialysis catheter hub fastening device of claim 6, wherein: the bottom of the bottom plate (1) is provided with a clamping piece (19), and the clamping piece (19) is made of elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318877.6U CN219764115U (en) | 2023-05-29 | 2023-05-29 | Hemodialysis pipe interface fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318877.6U CN219764115U (en) | 2023-05-29 | 2023-05-29 | Hemodialysis pipe interface fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219764115U true CN219764115U (en) | 2023-09-29 |
Family
ID=88130181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321318877.6U Active CN219764115U (en) | 2023-05-29 | 2023-05-29 | Hemodialysis pipe interface fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219764115U (en) |
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2023
- 2023-05-29 CN CN202321318877.6U patent/CN219764115U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |