CN219759021U - Arteriovenous internal fistula puncture training mould for hemodialysis - Google Patents
Arteriovenous internal fistula puncture training mould for hemodialysis Download PDFInfo
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- CN219759021U CN219759021U CN202320649155.2U CN202320649155U CN219759021U CN 219759021 U CN219759021 U CN 219759021U CN 202320649155 U CN202320649155 U CN 202320649155U CN 219759021 U CN219759021 U CN 219759021U
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- simulated
- blood vessel
- hemodialysis
- simulated blood
- internal fistula
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- 238000012549 training Methods 0.000 title claims abstract description 33
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 31
- 230000000322 hemodialysis Effects 0.000 title claims abstract description 31
- 206010016717 Fistula Diseases 0.000 title claims abstract description 28
- 230000003890 fistula Effects 0.000 title claims abstract description 28
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000004087 circulation Effects 0.000 claims abstract description 27
- 239000008280 blood Substances 0.000 claims description 17
- 210000004369 blood Anatomy 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 14
- 201000011066 hemangioma Diseases 0.000 claims description 12
- 239000004816 latex Substances 0.000 claims description 10
- 229920000126 latex Polymers 0.000 claims description 10
- 230000002792 vascular Effects 0.000 claims description 8
- 206010003226 Arteriovenous fistula Diseases 0.000 abstract description 21
- 238000011282 treatment Methods 0.000 abstract description 8
- 230000006870 function Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000017531 blood circulation Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 208000031481 Pathologic Constriction Diseases 0.000 description 3
- 238000000502 dialysis Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000002966 stenotic effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000036262 stenosis Effects 0.000 description 2
- 208000037804 stenosis Diseases 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004089 microcirculation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 238000012959 renal replacement therapy Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 230000024883 vasodilation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses an arteriovenous internal fistula puncture training die for hemodialysis, which comprises the following components: a simulated blood vessel assembly and an extracorporeal circulation assembly, wherein the simulated blood vessel assembly comprises a plurality of different types of simulated blood vessels, the plurality of different types of simulated blood vessels being disposed independently of each other; the extracorporeal circulation assembly comprises an extension tube, a circulation pump and a liquid supply device, wherein the extension tube is used for being selectively connected with any one of the simulated blood vessels, and the circulation pump and the liquid supply device are connected to the extension tube. The arteriovenous fistula puncture training die for hemodialysis provided by the utility model is convenient for nurses just touching hemodialysis treatment to train, understand the puncture skills of arteriovenous fistula and select the characteristics and modes of complex and difficult arteriovenous fistula puncture, train before clinical practice, improve the nurse puncture technology and protect the normal functions of arteriovenous fistula of patients.
Description
Technical Field
The utility model relates to the technical field of teaching tools, in particular to an arteriovenous internal fistula puncture training die for hemodialysis.
Background
Hemodialysis treatment is to remove more water and toxins from the blood through a vascular access, a blood circulation line, and a dialysis machine, thereby performing renal replacement therapy. Arteriovenous internal fistulae for hemodialysis are the main vascular access of hemodialysis patients. The arteriovenous internal fistula is a vascular channel established by subcutaneous anastomosis of arteriovenous, and comprises an autologous arteriovenous internal fistula and a graft arteriovenous internal fistula, and in each dialysis treatment, two needles are required to be respectively penetrated at the arteriovenous internal fistula of a patient to serve as a blood drawing side and a blood returning side.
The arteriovenous fistula puncture is completed by a full-time nurse of a hemodialysis room, and the artificial factors such as the puncture part, the needle insertion depth, the needle insertion angle, the treatment mode of the suspected arteriovenous fistula, the puncture experience and the like of the nurse directly influence the dialysis quality of a patient, the service life of the internal fistula and the occurrence rate of arteriovenous fistula complications.
The nurses are required to have abundant experiences to efficiently and high-quality complete the operation of the arteriovenous fistula puncture, and the accumulation of the experiences is necessarily required to be performed for a plurality of times, so that the operation experiences of the nurses are accumulated gradually in work at present. But the initial contact is very likely to cause puncture failure for the primary nurse, causing pain to the patient and even affecting treatment. Therefore, the puncture ability training before the actual operation has important significance for primary nurses, in the actual learning and training process, related tools are fewer, the comparison points are simple, the simulation of the normal puncture operation can be only finished, the simulation training can not be carried out on some special cases and treatment modes of the internal arteriovenous fistula, and the improvement effect on the puncture skills of nurses is limited.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model innovatively provides an arteriovenous internal fistula puncture training die for hemodialysis, which can solve the technical problems that puncture simulation training in the prior art cannot simulate various special conditions and the improvement of medical puncture skills is limited.
To achieve the technical purpose, the utility model discloses an arteriovenous internal fistula puncture training mould for hemodialysis, which comprises the following components: a simulated vascular assembly and an extracorporeal circulation assembly, wherein,
the simulated blood vessel assembly comprises a plurality of simulated blood vessels of different types, and the simulated blood vessels of different types are mutually independent;
the extracorporeal circulation assembly comprises an extension tube, a circulation pump and a liquid supply device, wherein the extension tube is used for being selectively connected with any one of the simulated blood vessels, and the circulation pump and the liquid supply device are connected to the extension tube.
Further, the simulated blood vessel assembly further comprises an artificial skin, and the simulated blood vessel is attached to the artificial skin.
Further, the simulated blood vessel assembly further comprises a simulated tissue, the artificial skin is attached to the simulated tissue, and the simulated blood vessel is embedded into the simulated tissue.
Further, the simulated blood vessel comprises: normal blood vessels, stenosed blood vessels and curved blood vessels,
the normal blood vessel, the narrow blood vessel and the bent blood vessel all comprise two interface ends which are used for being connected with the external connection tube to form a circulation loop.
Further, the normal blood vessel is made of a latex material.
Further, the stenotic vessel is made of a latex material, the stenotic vessel including a stenotic segment and a simulated hemangioma that causes a bulge to form on the artificial skin.
Further, the method comprises the steps of,
the two ends of the curved vessel are made of latex material, and the curved vessel further comprises an artificial graft vessel connected between the two ends.
Further, a side pipe is arranged on the outer connecting pipe and is used for being connected with the liquid supply device,
and a control valve is arranged on the side pipe and used for controlling the on-off of the side pipe.
Further, the liquid supply device comprises a liquid storage container and a connecting pipeline, the connecting pipeline connects the liquid storage container and the side pipe,
the liquid storage container is internally stored with simulated blood.
Further, connectors are arranged at two ends of the outer connecting pipe, and the connectors are used for being detachably connected with the simulated blood vessel.
The beneficial effects of the utility model are as follows:
the arteriovenous fistula puncture training die for hemodialysis provided by the utility model is convenient for nurses just touching hemodialysis treatment to train, understand the puncture skills of arteriovenous fistula and select the characteristics and modes of complex and difficult arteriovenous fistula puncture, train before clinical practice, improve the nurse puncture technology and protect the normal functions of arteriovenous fistula of patients.
Drawings
Fig. 1 is a schematic structural view showing an arteriovenous internal fistula puncture training mold for hemodialysis according to an embodiment of the present utility model;
figure 2 illustrates a schematic cross-sectional view of a simulated vascular assembly in accordance with an embodiment of the utility model.
In the drawing the view of the figure,
1. simulating a vascular component; 11. normal blood vessels; 12. stenosed blood vessels; 121. a stricture; 122. simulating hemangioma; 13. bending the blood vessel; 131. artificial graft vessel; 14. an artificial skin; 141. a bulge; 15. simulating organization; 2. an extracorporeal circulation assembly; 21. an outer connecting pipe; 211. a side pipe; 22. a circulation pump; 23. a liquid storage container; 24. and a control valve.
Detailed Description
The arteriovenous fistula puncture training mold for hemodialysis provided by the utility model is explained and illustrated in detail below with reference to the attached drawings.
The arteriovenous fistula puncture training die for hemodialysis provided by the utility model is convenient for nurses just touching hemodialysis treatment to train, understand the puncture skills of arteriovenous fistula and select the characteristics and modes of complex and difficult arteriovenous fistula puncture, train before clinical practice, improve the nurse puncture technology and protect the normal functions of arteriovenous fistula of patients.
The utility model is described in detail below with reference to specific embodiments:
the utility model provides an arteriovenous internal fistula puncture training mould for hemodialysis, as shown in fig. 1 and 2, comprising: the blood vessel simulator comprises a blood vessel simulator assembly 1 and an extracorporeal circulation assembly 2, wherein the blood vessel simulator assembly 1 is used for simulating human tissues and blood vessels and comprises a plurality of different types of blood vessels, and the blood vessels of different types are mutually independent and can be simulated.
The extracorporeal circulation assembly 2 is adapted to communicate with one of the simulated blood vessels and form simulated circulating blood, and comprises an extension tube 21, a circulation pump 22 and a fluid supply device, the extension tube 21 being adapted to be selectively connected to any one of the simulated blood vessels, the circulation pump 22 and the fluid supply device being connected to the extension tube 21.
According to the utility model, by arranging a plurality of simulated blood vessels with different types, puncture training of a plurality of blood vessels can be performed, so that a primary nurse can quickly master puncture skills under various special conditions, and the puncture training method is greatly helpful for nurses.
In the embodiment of the utility model, the simulated blood vessel assembly 1 further comprises an artificial skin 14, the simulated blood vessel is attached to the artificial skin 14, the simulated human body and skin are simulated, and the puncture simulation operation can be performed through the artificial skin 14, optionally, the artificial skin 14 is made of an imported thermoplastic elastomer mixed gel material, the simulated blood vessel is made of a latex material, and a skin flap can be naturally formed after puncture to ensure that puncture does not leak. The simulated blood vessel assembly 1 further comprises a simulated tissue 15, the artificial skin 14 is attached to the simulated tissue 15, the simulated blood vessel is embedded into the simulated tissue 15, and the simulated blood vessel is contacted with the artificial skin 14, so that the whole simulated blood vessel assembly 1 is closer to real human tissue, and the simulated puncture training effect is better.
In this embodiment, simulating a blood vessel includes: the normal vessel 11, the stenosed vessel 12 and the bent vessel 13, the normal vessel 11, the stenosed vessel 12 and the bent vessel 13 each comprise two interface ends for being individually connected with the extension tube 21 to form a circulation loop. I.e. each simulated blood vessel may be individually in communication with the extension tube 21, forming a circulation loop, simulating blood circulation.
Alternatively, the normal vessel 11 is made of a latex material, which simulates an internal fistula state in which the vascular conditions are good. The stenosed vessel 12 is made of latex material, simulates an internal fistula condition where a stenosis at the stoma is accompanied by a proximal dilation, which results in proximal vasodilation due to the stenosis, and the occurrence of hemangiomas. Further, the stenosed vessel 12 comprises a stenosed segment 121 and a simulated hemangioma 122, the simulated hemangioma 122 forms a bump 141 on the artificial skin 14, wherein the internal diameter of the stenosed segment 121 is reduced, the simulated hemangioma 122 is formed at the end part of the stenosed segment 121, the internal diameter of the simulated hemangioma 122 is larger than the internal diameter of the normal vessel 11, the external diameter of the simulated hemangioma 122 is also larger than the external diameter of the normal vessel 11, the bulge is formed at the internal diameter of the simulated hemangioma, and the bump 141 is formed on the surface of the artificial skin 14, as shown in fig. 2, so that the explanation of the formation of the pseudo hemangioma, the examination and puncture notice is convenient in teaching.
The both ends of crooked blood vessel 13 are made by latex material, and crooked blood vessel 13 still includes the artificial graft blood vessel 131 of connecting between both ends, and optionally, artificial graft blood vessel 131 is the horseshoe-shaped crooked state, and artificial graft blood vessel 131 adopts polyester fiber or polytetrafluoroethylene material that artificial blood vessel used, helps the operator experience more truly to carry out artificial graft arteriovenous fistula puncture experience.
In this embodiment, the external connection pipe 21 is provided with a side pipe 211, the side pipe 211 is used for being connected with a liquid supply device, and the side pipe 211 is provided with a control valve 24 for controlling the on-off of the side pipe 211. The circulation pump 22 communicates with the extension tube 21, and provides a driving force to cause the extension tube 21 and the simulated blood flowing in the simulated blood vessel. Optionally, the circulation pump 22 is a micro circulation pump, the external connection tube 21 is provided with two sections, which are respectively connected to an inlet end and an outlet end of the circulation pump 22, and after the circulation pump 22 is electrified, a driving force can be provided to enable the liquid in the external connection tube 21 to circulate in the external connection tube 21 and the simulated blood vessel so as to simulate the blood flow.
The liquid supply device comprises a liquid storage container 23 and a connecting pipeline, wherein the connecting pipeline is connected with the liquid storage container 23 and the side pipe 211, and the simulated blood is stored in the liquid storage container 23. Alternatively, the reservoir 23 and the connecting line may be an infusion set, which may contain the simulated blood, and may communicate with the external tube 21 through the infusion tube and provide the simulated blood. Further, the simulated blood is composed of normal saline, and optionally, red pigment is added into the simulated blood to make the simulated blood appear red similar to blood, so that leakage and other conditions can be found more conveniently. Optionally, the liquid supply device further comprises a bracket, and the liquid storage container 23 is arranged on the bracket, so that the liquid storage container 23 is higher than the external connection tube 21 and the simulated blood vessel assembly 1, and the simulated blood can flow into the external connection tube 21 automatically under the action of gravity.
The two ends of the extension tube 21 are provided with connectors, the connectors are used for being detachably connected with the simulated blood vessel, optionally, a connecting end can be formed at the end part of the simulated blood vessel, a threaded connecting part is formed on the connecting end, the connectors on the extension tube 21 comprise connecting nuts, the connecting nuts can be connected with the simulated blood vessel, sealing gaskets are arranged between the connecting nuts and the connecting end of the simulated blood vessel, and sealing connection is formed between the connecting nuts and the connecting end of the simulated blood vessel.
In the puncture teaching, two ends of the extension tube 21 are connected to one of the simulated blood vessels, then the liquid storage container 23 is connected to the side tube 211 and the control valve 24 is opened, the liquid storage container 3 is placed at a position higher than the extension tube 21, and the simulated blood in the liquid storage container 23 can flow into the extension tube 21 under the action of gravity and flow into the connected simulated blood vessel through the extension tube 21. The circulation pump 22 is started to make the simulated blood circulate in the external tube 21 and the simulated blood vessel to simulate the blood flow. Then, the internal arteriovenous fistula puncture needle can be used for training the puncture practice of the simulated blood vessel by the internal fistula puncture needle, the preparation before puncture, the puncture hemostasis and the like.
The arteriovenous internal fistula puncture training die for hemodialysis is used as a training die for a nurse of a beginner hemodialysis specialty to help an operator to know and practice arteriovenous puncture skills by simulating clinical arteriovenous internal fistula, and can simulate various puncture operations by setting different kinds of simulated blood vessels. Thereby effectively training puncture technique, needle depth, needle angle and needle drawing hemostasis method, improving puncture ability and operation proficiency of nurses and protecting arteriovenous fistula function of patients.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, a description referring to the terms "present embodiment," "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any at least one embodiment or example. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, but any modifications, equivalents, and simple improvements made within the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. An arteriovenous internal fistula puncture training mold for hemodialysis, comprising: a simulated vascular assembly and an extracorporeal circulation assembly, wherein,
the simulated blood vessel assembly comprises a plurality of simulated blood vessels of different types, and the simulated blood vessels of different types are mutually independent;
the extracorporeal circulation assembly comprises an external connection pipe circulation pump and a liquid supply device, wherein the external connection pipe is used for being selectively connected with any one of the simulated blood vessels, and the circulation pump and the liquid supply device are connected to the external connection pipe.
2. The hemodialysis arteriovenous internal fistula puncture training mold of claim 1, wherein the simulated blood vessel assembly further comprises an artificial skin to which the simulated blood vessel is attached.
3. The hemodialysis arteriovenous internal fistula puncture training mold of claim 2, wherein the simulated blood vessel assembly further comprises a simulated tissue to which the artificial skin is attached, the simulated blood vessel being embedded within the simulated tissue.
4. The hemodialysis arteriovenous internal fistula puncture training mold of claim 2, wherein the simulated blood vessel comprises: normal blood vessels, stenosed blood vessels and curved blood vessels,
the normal blood vessel, the narrow blood vessel and the bent blood vessel all comprise two interface ends which are used for being connected with the external connection tube to form a circulation loop.
5. The hemodialysis arteriovenous internal fistula puncture training mold of claim 4, wherein the normal blood vessel is made of a latex material.
6. The hemodialysis arteriovenous internal fistula puncture training mold of claim 4, wherein the narrow blood vessel is made of a latex material, the narrow blood vessel comprising a narrow section and a simulated hemangioma, the simulated hemangioma forming a bulge on the artificial skin.
7. The arteriovenous internal fistula puncture training mold for hemodialysis as set forth in claim 4, wherein,
the two ends of the curved vessel are made of latex material, and the curved vessel further comprises an artificial graft vessel connected between the two ends.
8. The arteriovenous internal fistula puncture training mold for hemodialysis as set forth in any one of claims 1-7, wherein a side tube is provided on the outer tube for connection with the liquid supply device,
and a control valve is arranged on the side pipe and used for controlling the on-off of the side pipe.
9. The arteriovenous internal fistula puncture training mold for hemodialysis of claim 8, wherein the liquid supply means comprises a liquid storage container and a connecting line connecting the liquid storage container and the side tube,
the liquid storage container is internally stored with simulated blood.
10. The arteriovenous internal fistula puncture training mold for hemodialysis of claim 8, wherein connectors are provided at both ends of the extension tube, and the connectors are adapted to be detachably connected with the simulated blood vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649155.2U CN219759021U (en) | 2023-03-28 | 2023-03-28 | Arteriovenous internal fistula puncture training mould for hemodialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320649155.2U CN219759021U (en) | 2023-03-28 | 2023-03-28 | Arteriovenous internal fistula puncture training mould for hemodialysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219759021U true CN219759021U (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320649155.2U Active CN219759021U (en) | 2023-03-28 | 2023-03-28 | Arteriovenous internal fistula puncture training mould for hemodialysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219759021U (en) |
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2023
- 2023-03-28 CN CN202320649155.2U patent/CN219759021U/en active Active
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