CN211787814U - Blood vessel puncture model - Google Patents
Blood vessel puncture model Download PDFInfo
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- CN211787814U CN211787814U CN202020186256.7U CN202020186256U CN211787814U CN 211787814 U CN211787814 U CN 211787814U CN 202020186256 U CN202020186256 U CN 202020186256U CN 211787814 U CN211787814 U CN 211787814U
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Abstract
The utility model relates to a blood vessel puncture model, which comprises a first simulation unit, a second simulation unit, a simulation blood vessel, an external shaping module and an internal shaping module, wherein the first simulation unit is provided with a first accommodating cavity channel, the second simulation unit is provided with a second accommodating cavity channel, the lower surface of the second simulation unit is detachably connected to the upper surface of the first simulation unit, and the first accommodating cavity channel and the second accommodating cavity channel are correspondingly arranged and buckled to form an integral accommodating cavity channel structure; wherein, first analog unit and second analog unit are used for simulating human tissue, and the simulation intussuseption is filled with liquid gel, and the simulation blood vessel hold in hold the chamber way structure, outside moulding module is located hold in the chamber way structure and lie in the outside of simulation blood vessel for carry out bending moulding to the simulation blood vessel, inside moulding module support in the simulation blood vessel, be used for simulating vascular plaque. The model greatly improves the quality of puncture teaching, and has better applicability and long service life.
Description
Technical Field
The utility model relates to a medical teaching model technical field, more specifically relates to a blood vessel puncture model.
Background
With the popularization of clinical visualization technology, the success rate of invasive operation technology with higher failure rate is improved by adopting an ultrasonic-guided auxiliary puncture method, but the introduction of new equipment and new technology still needs a certain learning curve for training and coordination. A series of puncture models are available on the market for practicing such punctures.
In the prior art, in order to guarantee lifelike puncture effect, the mode that adopts built-in aqueous rubber tube of belt skin pork is used for teaching simulation exercise, and the advantage and the shortcoming of fresh pork model are very outstanding, and the material obtains easily, and the imaging effect is lifelike, and the puncture is felt really, but needs the preparation in situ, can't preserve, can only make simplest puncture model to in case wear to leak, the intraductal liquid of rubber flows out, influences the puncture effect, can't guarantee the blood return that has pressure nature behind the pjncture needle puncture the blood vessel.
In addition, although mature blood vessel puncture models are used for puncture practice in the market, the imaging effect is satisfactory, the simulation mode is single, the simplest puncture difficulty can be simulated, the wall of the simulated blood vessel is smooth, the inner diameter of the simulated blood vessel is consistent, and the imaging difference with surrounding tissues is obvious.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a quality that can improve the puncture teaching greatly to have better suitability, long service life's vascular puncture model, in order to solve the problem that exists among the prior art.
According to the utility model, a blood vessel puncture model is provided, which comprises a first simulation unit, a second simulation unit, a simulation blood vessel, an external shaping module and an internal shaping module, wherein the first simulation unit is provided with a first accommodating cavity channel, the second simulation unit is provided with a second accommodating cavity channel, the lower surface of the second simulation unit is detachably connected to the upper surface of the first simulation unit, and the first accommodating cavity channel and the second accommodating cavity channel are correspondingly arranged and buckled to form an integral accommodating cavity channel structure;
the first simulation unit and the second simulation unit are used for simulating human body tissues, liquid gel is filled in the simulated blood vessels, the simulated blood vessels are contained in the containing cavity structure, the external shaping module is arranged in the containing cavity structure and located outside the simulated blood vessels and used for bending and shaping the simulated blood vessels, and the internal shaping module is supported in the simulated blood vessels and used for simulating blood vessel plaques.
Preferably, the liquid gel is a conductive liquid gel, and the first simulation unit and the second simulation unit are both made of conductive materials;
the upper surface of the first simulation unit and the lower surface of the second simulation unit are both provided with insulating layers.
Preferably, the upper surface of the first simulation unit and the lower surface of the second simulation unit are adhered by velcro tapes.
Preferably, the puncture detection circuit comprises a power supply, a puncture needle, a first indicator light, a second indicator light and a third indicator light;
the first indicator light, the second indicator light and the third indicator light are connected in parallel, first wiring poles of the first indicator light, the second indicator light and the third indicator light are electrically connected with a first pole of the power supply, a second wiring pole of the first indicator light is electrically connected with the second simulation unit, a second wiring pole of the second indicator light is electrically connected with liquid gel in the simulation blood vessel, and a second wiring pole of the third indicator light is electrically connected with the first simulation unit;
the puncture needle is provided with a connector lug, an insulating section and a puncture head in sequence along the axial direction of the puncture needle, the insulating section is made of non-conductive materials, the puncture head is made of conductive materials, and the connector lug is electrically connected with the second pole of the power supply.
Preferably, a control switch is arranged between the connector lug and the second pole of the power supply and used for controlling the on-off of the puncture detection circuit.
Preferably, the first indicator light is a green light, the second indicator light is a yellow light, and the third indicator light is a red light.
Preferably, the alarm device is connected with the third indicator light in series.
Preferably, the simulated blood vessel is an elastic hose.
Preferably, the number of the external shaping modules is multiple, and the multiple external shaping modules are distributed at intervals along the axial direction of the accommodating cavity structure and are matched to be used, so that the simulated blood vessel is bent.
Preferably, the accommodating cavity structure is a cylindrical cavity structure, and the diameter of the simulated blood vessel is smaller than that of the accommodating cavity structure.
Has the advantages that:
the utility model provides a blood vessel puncture model, can set up the cooperation of corresponding outside moulding module as required and use to carry out crooked moulding to the simulation blood vessel to simulate out the blood vessel that is more nearly real human blood vessel crooked trend, and set up corresponding inside moulding module as required and carry out inside moulding to the simulation blood vessel, come more real simulation human pathological change blood vessel, so can adjust the puncture exercise degree of difficulty as required, realize more real puncture scene, improved the quality of puncture teaching greatly; and the moulding module can be arranged as required, each part can be recycled and assembled conveniently, the puncture training cost is reduced, the service life of the puncture model is prolonged, the consistency of puncture hand feeling is ensured, and the applicability and the convenience and rapidness of use of the puncture model are greatly improved.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 shows a front view of a vascular puncture model according to an embodiment of the present invention.
Fig. 2 shows a left side view of a vascular puncture model according to an embodiment of the present invention.
Fig. 3 shows a schematic perspective structure diagram of an external shaping module according to an embodiment of the present invention.
Fig. 4-5 show schematic perspective views of an internal shaping module according to an embodiment of the invention from different perspectives.
Fig. 6 shows a schematic diagram of a puncture detection circuit according to an embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a puncture needle of the puncture detection circuit according to an embodiment of the present invention.
In the figure: the device comprises a first simulation unit 11, a second simulation unit 12, an accommodating cavity structure 100, a simulated blood vessel 2, an external shaping module 3, an internal shaping module 4, an arc-shaped outer supporting wall 41, a magic tape 5, a power supply 61, a puncture needle 62, a connector lug 621, an insulating segment 622, a puncture head 623, a first indicator light 63, a second indicator light 64, a third indicator light 65, a control switch 66, an alarm device 67 and liquid gel 7.
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
As shown in fig. 1 to 6, according to the utility model provides a blood vessel puncture model, this blood vessel puncture model includes first analog unit 11, second analog unit 12, simulation blood vessel 2, outside moulding module 3 and inside moulding module 4, be equipped with the first chamber way that holds on the first analog unit 11, it holds the chamber way to be equipped with the second on the second analog unit 12, the lower surface of second analog unit 12 can be dismantled connect in on the upper surface of first analog unit 11, the first chamber way that holds is said and the second holds the chamber way and correspond the setting and the lock forms holistic chamber way structure 100 that holds.
The first simulation unit 11 and the second simulation unit 12 are configured to simulate human tissue, the simulated blood vessel 2 is filled with a liquid gel 7, the simulated blood vessel 2 is accommodated in the accommodating lumen structure 100, the external shaping module 3 is disposed in the accommodating lumen structure 100 and located outside the simulated blood vessel 2, and is configured to bend and shape the simulated blood vessel 2, and the internal shaping module 4 is supported in the simulated blood vessel 2 and configured to simulate a blood vessel plaque.
The receiving lumen structure 100 is a cylindrical cavity structure, and the diameter of the simulated blood vessel 2 is slightly smaller than that of the receiving lumen structure 100. The structure is arranged, so that the external shaping module 3 can be accommodated and extruded in a gap formed between the accommodating cavity structure 100 and the simulation, the limiting of the simulated blood vessel 2 in the accommodating cavity structure 100 is realized, and the simulated blood vessel 2 is prevented from moving.
In this embodiment, the simulated blood vessel 2 is an elastic rubber tube for simulating the vessel wall of the blood vessel 2, the liquid gel 7 is a conductive liquid gel, and the conductive liquid gel can simulate blood to fill and support the simulated blood vessel 2, so that the puncture practitioner can feel a realistic falling feeling after penetrating the blood vessel after the puncture needle 62 penetrates the simulated blood vessel 2 filled with the conductive liquid gel 7; the first analog unit 11 and the second analog unit 12 are both made of a conductive material.
Further, the upper surface of the first simulation unit 11 and the lower surface of the second simulation unit 12 are both provided with an insulating layer. Specifically, be equipped with the female subsides of magic subsides 5 on the upper surface of first analog unit 11, be equipped with the sub-subsides of magic subsides 5 on the lower surface of second analog unit 12, the cooperation of the sub-subsides and the female subsides of magic subsides 5 are used, bond one another and become integrative to make first analog unit 11 and second analog unit 12 bond through magic subsides 5 and form overall structure. The female tape of the magic tape 5 forms an insulating layer on the upper surface of the first simulation unit 11, the sub tape of the magic tape 5 forms an insulating layer on the lower surface of the second simulation unit 12, and the insulating layer has non-conductive property. The detachable structure between the first simulation unit 11 and the second simulation unit 12 enables the assembling and modeling of the blood vessel puncture model to be simple and easy.
Referring to fig. 3, the external shaping module 3 is a half cylindrical structure, and may also be a cylindrical structure with a certain arc length, and the arc length may be set according to the requirement. The inner diameter of the outer shaping module 3 is slightly smaller than the outer diameter of the simulated vessel 2, the axial length and the wall thickness of the outer shaping module 3 can be set as desired, wherein the outer shaping module 3 sets different module series according to the axial length and the wall thickness. The outside moulding module 3 is made by materials such as elastic rubber, thereby has certain elasticity and can the card locate hold the chamber way structure 100 in to and the joint is on the surface of the simulation blood vessel 2 that is filled with electrically conductive liquid gel 7, the quantity of outside moulding module 3 is a plurality of, a plurality of outside moulding module 3 along the axial interval distribution cooperation that holds the chamber way structure 100 is used, makes simulation blood vessel 2 is crooked, and outside moulding module 3 can locate the left and right sides of blood vessel, upper and lower both sides to realize the bending of simulation blood vessel 2 in two directions of level and vertical direction, more real simulation human blood vessel. In addition, the simulation of blood vessels with various curvatures can be realized by setting the spacing distance between the adjacent external shaping modules 3 and the wall thickness of each external shaping module 3, and the simulation of a complex bending structure can be realized by setting the axial length of different cylindrical structures. The axial length and the wall thickness of the external shaping module 3 can be controlled by selecting the corresponding module series.
Referring to fig. 4-5, the internal shaping module 4 shapes the inner wall of the simulated blood vessel 2, the internal shaping module 4 having different plaque series, the shape and size of the plaque series being different from one plaque series to another, thereby simulating different plaque inside the blood vessel. The internal shaping module 4 is made of an elastic material, such as an elastic rubber material, and has a certain elasticity so as to be easily combined with the simulated blood vessel 2, and the internal shaping module 4 has an arc-shaped outer support wall 41 matched with the shape and size of the inner wall of the simulated blood vessel 2 and used for being supported and clamped on the inner wall of the simulated blood vessel 2. Preferably, the arc-shaped outer support wall 41 has a circular arc shape with a diameter slightly larger than the diameter of the simulated blood vessel 2, and the corresponding central angle of the arc-shaped outer support wall 41 is larger than 180 °. With the structure, on the one hand, the internal shaping module 4 can be firmly clamped in the simulated blood vessel 2, so that the blood vessel 2 is prevented from moving in the simulated blood vessel 2, on the other hand, the blood vessel 2 can be supported, and the simulated blood vessel 2 is prevented from being extruded and deformed in the puncture process. Inside moulding module 4 can set up different spot wall models as required with the arc outside one side that supports wall 41 is relative, and the spot wall of different shape types is simulated to different module series, through setting up inside moulding module 4, can simulate the blood vessel of pathological change structure to increased the hematal variety of treating the puncture, makeed puncture practitioner can puncture to the pathological change blood vessel, strengthened clinical teaching effect greatly.
In the embodiment shown in fig. 1 to 2, two outer shaping modules 3 and one inner shaping module 4 are provided, wherein the two outer shaping modules 3 are spaced apart from each other by a predetermined distance along the axial direction of the receiving lumen structure 100 and are respectively located at two opposite sides of the simulated blood vessel 2.
Further, the blood vessel puncture model further comprises a puncture detection circuit, wherein the puncture detection circuit comprises a power supply 61, a puncture needle 62, a first indicator light 63, a second indicator light 64 and a third indicator light 65.
The first indicator light 63, the second indicator light 64 and the third indicator light 65 are connected in parallel, the first connecting poles of the first indicator light 63, the second indicator light 64 and the third indicator light 65 are all electrically connected with the first pole of the power supply 61, the second connecting pole of the first indicator light 63 is electrically connected with the second simulation unit 12, the second connecting pole of the second indicator light 64 is electrically connected with the liquid gel 7 in the simulated blood vessel 2, and the second connecting pole of the third indicator light 65 is electrically connected with the first simulation unit 11; the puncture needle 62 is sequentially provided with a connector lug 621, an insulating section 622 and a puncture head 623 along the axial direction thereof, wherein the insulating section 622 is made of a non-conductive material, the puncture head 623 is made of a conductive material, and the connector lug 621 is electrically connected with the second pole of the power supply 61. In this embodiment, the electrical connection between the electrical components is specifically via a wire. In this embodiment, the power source 61 has a first pole and a second pole, wherein the first pole is a positive pole and the second pole is a negative pole.
Further, a control switch 66 is disposed between the connector block 621 and the second pole of the power source 61, and is used for controlling the on/off of the puncture detection circuit. The first indicator light 63 is a green light, the second indicator light 64 is a yellow light, and the third indicator light 65 is a red light. Wherein, the first indicator light 63 lights up to indicate that the puncture needle 62 penetrates into the second analog unit 12, the second indicator light 64 lights up to indicate that the puncture needle 62 penetrates into the blood vessel, the third indicator light 65 lights up to indicate that the puncture needle 62 penetrates into the first analog unit 11, when the third indicator light 65 lights up, the puncture needle 62 deviates from the puncture route and does not penetrate into the blood vessel and directly penetrates into the first analog unit 11, or the puncture needle 62 penetrates through the whole blood vessel and penetrates into the first analog unit 11.
Further, the puncture detection circuit further comprises an alarm device 67, and the alarm device 67 is connected with the third indicator lamp 65 in series. The alarm device 67 may be a buzzer, and when the third indicator lamp 65 is turned on, the alarm device 67 sounds to alarm and indicate that the puncture has failed.
Through setting up puncture detection circuitry, can make the analysis and guide the puncture practitioner to the puncture condition at any time and puncture the adjustment, instruction puncture practitioner that can be better carries out the puncture exercise, has improved puncture teaching effect greatly.
The method for using the blood vessel puncture model in this embodiment can be referred to as follows:
1. the second simulation unit 12 is taken down from the first simulation unit 11;
2. selecting one or more plaque series from the internal shaping module 4 to be placed into the simulated blood vessel 2 according to requirements to simulate the plaque wall of the blood vessel 2, and selecting one or more module series of the external shaping module 3 to be clamped on the outer wall of the simulated blood vessel 2 filled with the conductive liquid gel 7;
3. placing the simulated blood vessel 2 in the first receiving cavity of the first simulation unit 11;
4. the second simulation unit 12 is adhered to the first simulation unit 11, an accommodating cavity structure 100 is formed between the first accommodating cavity and the second accommodating cavity, the simulated blood vessel 2 is firmly clamped in the accommodating cavity structure, and the external shaping module 3 can enable the simulated blood vessel 2 to be bent according to preset requirements, so that the simulated blood vessel is closer to a real human blood vessel.
5. The control switch 66 is switched on, the puncture needle 62 is held by hand to puncture, if the first indicator light 63 and the second indicator light 64 are sequentially lighted, the puncture is successful, if the first indicator light 63 and the third indicator light 65 are sequentially lighted and simultaneously generate buzzes, the puncture is not punctured to the position of the blood vessel from the deviated route, the puncture direction needs to be adjusted to puncture again at the moment, if the first indicator light 63, the second indicator light 64 and the third indicator light 65 are sequentially lighted and simultaneously generate buzzes, the puncture needle which is too deep is penetrated out of the blood vessel, and the puncture direction needs to be adjusted to puncture again at the moment.
The blood vessel puncture model can be provided with the corresponding external shaping module 3 according to the requirement to be matched with the blood vessel simulation 2 for bending and shaping, so that the blood vessel which is closer to the bending trend of the real blood vessel of the human body is simulated, and the corresponding internal shaping module 4 is arranged according to the requirement to perform internal shaping on the blood vessel simulation 2 so as to simulate the blood vessel with pathological changes of the human body more truly; and the moulding module can be arranged as required, each part can be recycled and assembled conveniently, the puncture training cost is reduced, the service life of the puncture model is prolonged, the consistency of puncture hand feeling is ensured, and the applicability and the convenience and rapidness of use of the puncture model are greatly improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.
Claims (10)
1. A blood vessel puncture model is characterized by comprising a first simulation unit, a second simulation unit, a simulated blood vessel, an external shaping module and an internal shaping module, wherein a first accommodating cavity channel is arranged on the first simulation unit, a second accommodating cavity channel is arranged on the second simulation unit, the lower surface of the second simulation unit is detachably connected to the upper surface of the first simulation unit, and the first accommodating cavity channel and the second accommodating cavity channel are correspondingly arranged and buckled to form an integral accommodating cavity channel structure;
the first simulation unit and the second simulation unit are used for simulating human body tissues, liquid gel is filled in the simulated blood vessels, the simulated blood vessels are contained in the containing cavity structure, the external shaping module is arranged in the containing cavity structure and located outside the simulated blood vessels and used for bending and shaping the simulated blood vessels, and the internal shaping module is supported in the simulated blood vessels and used for simulating blood vessel plaques.
2. The blood vessel puncture model of claim 1, wherein the liquid gel is a conductive liquid gel, and the first and second simulation units are made of a conductive material;
the upper surface of the first simulation unit and the lower surface of the second simulation unit are both provided with insulating layers.
3. The blood vessel puncture model of claim 2, wherein the upper surface of the first simulation unit and the lower surface of the second simulation unit are adhered by velcro.
4. The vessel puncture model of claim 2, further comprising a puncture detection circuit comprising a power source, a puncture needle, a first indicator light, a second indicator light, and a third indicator light;
the first indicator light, the second indicator light and the third indicator light are connected in parallel, first wiring poles of the first indicator light, the second indicator light and the third indicator light are electrically connected with a first pole of the power supply, a second wiring pole of the first indicator light is electrically connected with the second simulation unit, a second wiring pole of the second indicator light is electrically connected with liquid gel in the simulation blood vessel, and a second wiring pole of the third indicator light is electrically connected with the first simulation unit;
the puncture needle is provided with a connector lug, an insulating section and a puncture head in sequence along the axial direction of the puncture needle, the insulating section is made of non-conductive materials, the puncture head is made of conductive materials, and the connector lug is electrically connected with the second pole of the power supply.
5. The blood vessel puncture model of claim 4, wherein a control switch is arranged between the connector lug and the second pole of the power supply for controlling the connection and disconnection of the puncture detection circuit.
6. The vascular puncture model of claim 4 or 5, wherein the first indicator light is a green light, the second indicator light is a yellow light, and the third indicator light is a red light.
7. The vessel puncture model of claim 4 or 5, further comprising an alarm device connected in series with the third indicator light.
8. The vessel puncture model of claim 1, wherein the simulated vessel is an elastic hose.
9. The vessel puncture model of claim 1, wherein the number of the external shaping modules is plural, and the plural external shaping modules are distributed at intervals along the axial direction of the accommodating cavity structure and are used in cooperation, so that the simulated vessel bending is realized.
10. The blood vessel puncture model of claim 1, wherein the receiving lumen structure is a cylindrical cavity structure, and the simulated blood vessel has a diameter smaller than a diameter of the receiving lumen structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020186256.7U CN211787814U (en) | 2020-02-19 | 2020-02-19 | Blood vessel puncture model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202020186256.7U CN211787814U (en) | 2020-02-19 | 2020-02-19 | Blood vessel puncture model |
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| CN211787814U true CN211787814U (en) | 2020-10-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743447A (en) * | 2022-05-20 | 2022-07-12 | 达州职业技术学院 | Medical puncture training device |
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2020
- 2020-02-19 CN CN202020186256.7U patent/CN211787814U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114743447A (en) * | 2022-05-20 | 2022-07-12 | 达州职业技术学院 | Medical puncture training device |
| CN114743447B (en) * | 2022-05-20 | 2023-10-27 | 达州职业技术学院 | Puncture training device for medical care |
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