CN220984046U - Simulation arm for fistula puncture - Google Patents
Simulation arm for fistula puncture Download PDFInfo
- Publication number
- CN220984046U CN220984046U CN202322814124.0U CN202322814124U CN220984046U CN 220984046 U CN220984046 U CN 220984046U CN 202322814124 U CN202322814124 U CN 202322814124U CN 220984046 U CN220984046 U CN 220984046U
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- CN
- China
- Prior art keywords
- arm
- fistula
- movable block
- cavity
- slider
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- 206010016717 Fistula Diseases 0.000 title claims abstract description 42
- 230000003890 fistula Effects 0.000 title claims abstract description 42
- 238000004088 simulation Methods 0.000 title claims abstract description 19
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 12
- 230000002792 vascular Effects 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000012549 training Methods 0.000 abstract description 5
- 206010003226 Arteriovenous fistula Diseases 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Instructional Devices (AREA)
Abstract
The utility model discloses a simulation arm for fistula puncture, which comprises a palm, wherein the top of the palm is fixedly connected with an arm, a disassembly and replacement structure is arranged in the arm, the disassembly and replacement structure comprises a movable block and a handle, the movable block is slidably arranged in the arm, and the handle is fixedly arranged at the position, close to the rear, of the top of the arm. According to the simulation arm for fistula puncture, the fistula puncture simulation is convenient for an operator to perform by arranging the disassembly and replacement structure and clamping the blood vessel model on the movable block through the connecting pipe and the U-shaped pipe, when the blood vessel models with different shapes and the blood vessel models with different thicknesses need to be replaced, the quick replacement can be realized through the connecting pipe and the U-shaped pipe, fistula with different types such as arteriovenous fistula and arterial-venous bypass fistula can be simulated, the flexibility is enhanced, the operator can replace the blood vessel model suitable for a specific fistula type according to training requirements and learning targets, and the practicability is enhanced.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a simulation arm for fistula puncture.
Background
Fistula puncture is a medical procedure used in hemodialysis treatment, which is the process of inserting a dialysis needle or catheter into a blood vessel through a human fistula (also known as a fistula or fistula tract) to establish a blood access, common fistula types including arteriovenous fistulae and arterial-venous bypass;
Fistula that fistula puncture operation is complicated and establish often need use for a long time, very test medical personnel's technique, and medical personnel need carry out a large amount of exercises after, just can carry out fistula puncture on patient, in the in-process of carrying out medical personnel training, current simulation arm inside vascular model simple structure can not satisfy the vascular condition that is complicated under the true condition well, and when operating personnel carries out fistula puncture simulation operation, the director can not carry out real-time guidance, is unfavorable for operating personnel's technical promotion, has the problem that functionality and practicality are low.
Disclosure of utility model
The utility model mainly aims to provide a simulation arm for fistula puncture, which can effectively solve the technical problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
The simulated arm for fistula puncture comprises a palm, wherein the top of the palm is fixedly connected with an arm, and a disassembly and replacement structure is arranged in the arm;
The detachable replacement structure comprises a movable block and a handle, wherein the movable block is slidably mounted in an arm, the handle is fixedly mounted at the top of the arm near the rear position, the front part of the movable block is near the top position and symmetrically clamped with a connecting pipe, the front part of the movable block is near the bottom position and is clamped with a U-shaped pipe, a vascular model is connected between the connecting pipe and the U-shaped pipe, the front part of the movable block is near the middle side position and fixedly mounted with two mounting seats, the top of the mounting seat is rotatably mounted with a ball seat, the ball seat is rotatably mounted in the ball seat, one end of the ball seat is fixedly mounted with a camera, and the front part of the movable block is near the top and the bottom positions and is provided with sliding grooves.
As a further scheme of the utility model, the connecting pipe and the U-shaped pipe are in a hollow state, and the arm and the blood vessel model are made of high-simulation silica gel.
As a further scheme of the utility model, a fixed structure is arranged in the sliding groove, the fixed structure comprises two sliding blocks, the sliding blocks are slidably arranged in the sliding groove, rollers are rotatably arranged at the outer parts of the sliding blocks close to the middle positions of one ends, one sliding block is internally provided with a cavity, an inserting block is clamped in the cavity, a metal rod is fixedly arranged at the center position of the rear part of the inserting block, a spring is wound on the outer part of the metal rod, an installation cavity is fixedly arranged at the outer part of the other sliding block close to the other end, a rotating rod is rotatably arranged in the installation cavity, the other end of the rotating rod is positioned in the sliding block, a coil spring is arranged in the installation cavity, a connecting rope is wound on the part of the rotating rod positioned in the sliding block, and one end of the connecting rope is fixedly connected with a bolt.
As a further scheme of the utility model, one end of the coil spring is fixedly connected to the rotating rod, and the other end of the coil spring is fixedly connected to the inner wall of the mounting cavity.
As a further scheme of the utility model, one end of the plug block is triangular, a groove is formed in the outer portion of the plug pin, and the groove is matched with the plug block in an adaptive mode.
As a further scheme of the utility model, a limiting block is arranged outside the insertion block and is matched with the cavity in an adaptive manner, one end of the spring is fixedly connected to the rear part of the insertion block, and the other end of the spring is fixedly connected to the inner wall of the cavity.
As a further scheme of the utility model, an anti-skid sleeve is fixedly arranged outside the roller, one end of the roller is provided with a limiting piece, and the limiting piece is adaptively matched with the skid sleeve.
The beneficial effects of the utility model are as follows: through setting up and dismantling replacement structure, through connecting pipe and U-shaped pipe with vascular model joint on movable block, make things convenient for operating personnel to carry out fistula puncture simulation, when needing to change vascular model of different shapes and vascular model of different thickness, can realize quick replacement through connecting pipe and U-shaped pipe, can simulate fistula of different grade type, such as arteriovenous fistula and artery-vein bypass fistula, has strengthened the flexibility, operating personnel can be according to training requirement and study target, change the vascular model that is fit for specific fistula type, has strengthened the practicality;
the camera arranged at the front part of the movable block can relay the image of the fistula puncture operation area in real time, provide real-time guidance and feedback for operators, relay the puncture operation image to a teaching screen or a training room in real time, be used for medical teaching and training, enhance the functionality, and guide the operators to observe whether the puncture operation process has error or bad operation or not through real-time relay, and timely discover and correct the error so as to improve the technique of the operators;
through setting up fixed knot to construct the cooperation and dismantle replacement structure, can press from both sides tight to connecting pipe and U-shaped pipe through the slider to through the shrink elasticity of coil spring, make connecting rope and connecting pipe and U-shaped pipe closely laminate, and fix the position of connecting pipe and U-shaped pipe under coil spring elasticity effect, the vascular model can closely laminate and fix in the exact position, provides truer and stable simulation operation environment, and prevent when carrying out the simulation puncture that the vascular model misplaced;
through fixing the vascular model, operating personnel can simulate the step and the technique of fistula puncture operation more accurately, including correct puncture angle, degree of depth and puncture point selection, help operating personnel cultivate correct operating skill and proficiency, can remove the restriction to connecting pipe and U-shaped pipe fast through pulling the metal stick, make things convenient for quick replacement different vascular models, further strengthened the practicality of this simulation arm.
Drawings
FIG. 1 is a schematic view of the overall structure of a simulated arm for fistula puncture of the present utility model;
FIG. 2 is a schematic overall view of a detachable replacement structure of a simulated arm for fistula puncture of the utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2 of a simulated arm for fistula puncture of the utility model;
FIG. 4 is an enlarged view of portion B of FIG. 2 of a simulated arm for fistula puncture of the utility model;
fig. 5 is a partial cutaway view of a fixation structure of a simulated arm for fistula puncture of the utility model.
In the figure: 1. palm; 2. an arm; 3. disassembling the replacement structure; 4. a movable block; 5. a handle; 6. a connecting pipe; 7. a U-shaped tube; 8. a blood vessel model; 9. a mounting base; 10. a ball seat; 11. a sphere; 12. a camera; 13. a chute; 14. a fixed structure; 15. a slide block; 16. a roller; 17. inserting blocks; 18. a metal rod; 19. a spring; 20. installing a cavity; 21. a rotating lever; 22. a coil spring; 23. a connecting rope; 24. a bolt.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-5, a simulated arm for fistula puncture comprises a palm 1, wherein the top of the palm 1 is fixedly connected with an arm 2, and a disassembly and replacement structure 3 is arranged in the arm 2;
The disassembly and replacement structure 3 comprises a movable block 4 and a handle 5, wherein the movable block 4 is slidably mounted in an arm 2, the handle 5 is fixedly mounted at the top of the arm 2 and is close to a rear position, a connecting pipe 6 is symmetrically clamped at the front part of the movable block 4 and is close to the top position, a U-shaped pipe 7 is clamped at the front part of the movable block 4 and is connected with a blood vessel model 8 between the connecting pipe 6 and the U-shaped pipe 7, two mounting seats 9 are fixedly mounted at the front part of the movable block 4 and are close to one side of the middle, a ball seat 10 is rotatably mounted at the top of the mounting seat 9, a ball body 11 is rotatably mounted in the ball seat 10, a camera 12 is fixedly mounted at one end of the ball body 11, and sliding grooves 13 are formed in the front part of the movable block 4 and are close to the top and bottom positions.
In this embodiment, the connecting tube 6 and the U-shaped tube 7 are hollow, and the arm 2 and the blood vessel model 8 are made of high-simulation silica gel.
One end of the hollow connecting pipe 6 is connected with the pump body and used for simulating the real blood circulation condition, and the arm 2 and the blood vessel model 8 are made of high-simulation silica gel and can restore the touch feeling of skin and blood vessels.
In this embodiment, the inside of the chute 13 is provided with the fixed structure 14, the fixed structure 14 includes two sliders 15, slider 15 slidable mounting is in the inside of chute 13, the outside of slider 15 is close to the inside of one end intermediate position and rotates and install gyro wheel 16, the cavity has been seted up to the inside of one of them slider 15, the inside joint of cavity has inserted block 17, the rear portion central point of inserted block 17 puts fixed mounting and has metal bar 18, the outside winding of metal bar 18 has spring 19, the outside of another slider 15 is close to the outside of other end position fixed mounting and has install cavity 20, install the inside rotation of cavity 20 and install dwang 21, and the other end of dwang 21 is located the inside of slider 15, install the inside of cavity 20 and be provided with coil spring 22, the part winding that dwang 21 is located the inside of slider 15 has connecting rope 23, the one end fixedly connected with bolt 24 of connecting rope 23.
Through the rolling roller 16, can control the slider 15 laminating of connecting pipe 6 and U-shaped pipe 7 both sides, through pulling bolt 24, can drive the dwang 21 through connecting rope 23 and rotate, and then can drive coil spring 22 and rotate, after bolt 24 inserts slider 15 and is spacing by inserted block 17, can be under coil spring 22's elasticity effect for connecting rope 23 shrink, fixed connecting pipe 6 and U-shaped pipe 7.
In the present embodiment, one end of the coil spring 22 is fixedly connected to the rotation lever 21, and the other end of the coil spring 22 is fixedly connected to the inner wall of the installation cavity 20.
During the rotation of the rotating rod 21, the coil spring 22 is stretched, and after the rotating rod 21 stops rotating, the coil spring is reset under the action of the elastic force of the coil spring 22, so that the connecting rope 23 is attached to the connecting pipe 6 and the U-shaped pipe 7, and the connecting pipe 6 and the U-shaped pipe 7 are fixed.
In this embodiment, one end of the insert 17 is triangular, a slot is formed in the outer portion of the plug 24, and the slot is adapted to mate with the insert 17.
When the inclined surface of the insert block 17 contacts with the plug pin 24, the insert block 17 is extruded and contracted into the unprecedented interior, the spring 19 is in a compressed state, and when the groove formed outside the plug pin 24 contacts with the insert block 17, the insert block 17 is reset under the elastic force of the spring 19, so that the plug pin 24 is fixed.
In this embodiment, a stopper is disposed outside the insert block 17, and the stopper is adaptively matched with the cavity, one end of the spring 19 is fixedly connected to the rear portion of the insert block 17, and the other end of the spring 19 is fixedly connected to the inner wall of the cavity.
The stopper can prevent the insert 17 from being separated from the inside of the cavity, and the spring 19 can provide elastic force to help the insert 17 enter the slot formed outside the plug pin 24.
In this embodiment, an anti-slip cover is fixedly mounted on the outer portion of the roller 16, a limiting piece is arranged at one end of the roller 16, and the limiting piece is adaptively matched with the slider 15.
The anti-skid sleeve can provide friction force to help fix the position of the roller 16 and prevent the skid 15 from sliding randomly inside the chute 13.
When the fistula puncture simulation arm is used, an operator firstly draws the movable block 4 out of the arm 2 through the handle 5, connects the vascular model 8 with the connecting pipe 6 and the U-shaped pipe 7, and then clamps the connecting pipe 6 and the U-shaped pipe 7 on the movable block 4;
Then, by stirring the roller 16, the sliding block 15 is attached to the connecting pipe 6 and the U-shaped pipe 7, the bolt 24 is pulled, the bolt 24 is inserted into the sliding block 15, when the inclined surface of the inserting block 17 is contacted with the bolt 24, the inserting block 17 is extruded and contracted into the unprecedented interior, the spring 19 is in a compressed state, and when a groove formed in the outer part of the bolt 24 is contacted with the inserting block 17, the inserting block 17 is reset under the action of the elasticity of the spring 19, so that the bolt 24 is fixed;
In the process that the bolt 24 is pulled, the rotating rod 21 is driven to rotate, so that the coil spring 22 is stretched, and after the rotating rod 21 stops rotating, the rotating rod reversely rotates under the action of the elastic force of the coil spring 22, so that the connecting rope 23 is attached to the connecting pipe 6 and the U-shaped pipe 7, and the connecting pipe 6 is fixed with the U-shaped pipe 7;
The top of the connecting pipe 6 is connected with an external pump body, so that the liquid circulation inside the vascular model 8 is realized, the position of the camera 12 is adjusted through the ball 11 and the ball seat 10, the camera 12 is aligned with the area to be punctured, and the movable block 4 is inserted into the arm 2, so that fistula puncture simulation operation can be performed;
When the vascular models 8 with different shapes or vascular models 8 with different thicknesses are required to be replaced to perform model fistula puncture, the movable block 4 is pulled out, the limit of the plug pin 24 is released by the plug block 17 through pulling the metal rod 18, the connecting rope 23 is contracted under the elastic force of the coil spring 22, and then the connecting pipe 6 and the U-shaped pipe 7 can be taken down to replace the vascular models 8.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The simulated arm for fistula puncture comprises a palm (1), wherein the top of the palm (1) is fixedly connected with an arm (2), and the simulated arm is characterized in that a disassembly and replacement structure (3) is arranged in the arm (2);
The utility model discloses a detachable replacement structure (3), including movable block (4) and handle (5), movable block (4) slidable mounting is in the inside of arm (2), handle (5) fixed mounting is near rear position at the top of arm (2), the front portion of movable block (4) is close to top position symmetry joint and has connecting pipe (6), the front portion of movable block (4) is close to bottom position joint and has U-shaped pipe (7), be connected with vascular model (8) between connecting pipe (6) and U-shaped pipe (7), the front portion of movable block (4) is close to middle one side position fixed mounting and has two mount pads (9), ball seat (10) are installed in the top rotation of mount pad (9), ball body (11) are installed in the internal rotation of ball seat (10), one end fixed mounting of ball body (11) has camera (12), the front portion of movable block (4) is close to top and bottom position all has seted up spout (13).
2. The simulated arm for fistula puncture of claim 1, wherein: the connecting pipe (6) and the U-shaped pipe (7) are both in a hollow state, and the arm (2) and the blood vessel model (8) are both made of high-simulation silica gel.
3. The simulated arm for fistula puncture of claim 1, wherein: the inside of spout (13) is provided with fixed knot constructs (14), fixed knot constructs (14) including two sliders (15), slider (15) slidable mounting is in the inside of spout (13), the outside of slider (15) is close to one end intermediate position and rotates installs gyro wheel (16), one of them cavity has been seted up to the inside of slider (15), the inside joint of cavity has inserted block (17), the rear portion central point put fixed mounting of inserted block (17) has metal bar (18), the outside winding of metal bar (18) has spring (19), and another the outside of slider (15) is close to other end position fixed mounting and installs cavity (20), the inside rotation of installation cavity (20) installs dwang (21), and the other end of dwang (21) is located the inside of slider (15), the inside of installation cavity (20) is provided with coil spring (22), the part winding that dwang (21) is located slider (15) is inside has connecting rope (23), the one end fixedly connected with bolt (24) of connecting rope (23).
4. The simulated arm for fistula puncture of claim 3 wherein: one end of the coil spring (22) is fixedly connected to the rotating rod (21), and the other end of the coil spring (22) is fixedly connected to the inner wall of the mounting cavity (20).
5. The simulated arm for fistula puncture of claim 3 wherein: one end of the plug block (17) is triangular, a groove is formed in the outer portion of the plug pin (24), and the groove is adaptively matched with the plug block (17).
6. The simulated arm for fistula puncture of claim 3 wherein: the outside of inserted block (17) is provided with the stopper, and stopper and cavity adaptability match, the one end fixed connection of spring (19) is at the rear portion of inserted block (17), the other end fixed connection of spring (19) is on the inner wall of cavity.
7. The simulated arm for fistula puncture of claim 3 wherein: the outside fixed mounting of gyro wheel (16) has the antiskid cover, the one end of gyro wheel (16) is provided with spacing piece, and spacing piece and slider (15) adaptability match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814124.0U CN220984046U (en) | 2023-10-20 | 2023-10-20 | Simulation arm for fistula puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322814124.0U CN220984046U (en) | 2023-10-20 | 2023-10-20 | Simulation arm for fistula puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220984046U true CN220984046U (en) | 2024-05-17 |
Family
ID=91035674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322814124.0U Active CN220984046U (en) | 2023-10-20 | 2023-10-20 | Simulation arm for fistula puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220984046U (en) |
-
2023
- 2023-10-20 CN CN202322814124.0U patent/CN220984046U/en active Active
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