CN112669688B - Vein puncture model capable of returning blood - Google Patents
Vein puncture model capable of returning blood Download PDFInfo
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- CN112669688B CN112669688B CN202110127944.5A CN202110127944A CN112669688B CN 112669688 B CN112669688 B CN 112669688B CN 202110127944 A CN202110127944 A CN 202110127944A CN 112669688 B CN112669688 B CN 112669688B
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Abstract
The invention belongs to the technical field of medical teaching equipment, and particularly relates to a vein puncture model capable of returning blood, which comprises a conveying mechanism and a simulation mechanism, wherein the conveying mechanism comprises a liquid storage tank and a booster pump, the input end of the booster pump is connected with the liquid storage tank, the booster pump is electrically connected with an external power supply, the output end of the booster pump is fixedly connected with a conveying pipe, and the conveying mechanism further comprises a return pipe; when the simulation, through rotating the silica gel bucket, make the rubber tube be in the different positions of arc wall, thereby the distance of adjustment rubber tube and silica gel bucket surface, the simulation carries out intravenous route to the human body of different fat degrees, adjusting position accomplishes the back, it is spacing to use stop gear to carry out the position of rubber tube, the regulation nature is higher, LED lamp area in the glass pipe can carry out the light filling to silica gel bucket and rubber tube, the staff can observe syringe needle male degree of depth and position, the analog personnel of being convenient for next time adjust.
Description
Technical Field
The invention belongs to the technical field of medical teaching equipment, and particularly relates to a vein puncture model capable of returning blood.
Background
Intravenous injection is a medical method, namely liquid substances such as blood, liquid medicine, nutrient solution and the like are directly injected into veins, the intravenous injection can be divided into transient and continuous, the transient intravenous injection is mostly directly injected into the veins by a syringe, the continuous intravenous injection is implemented by intravenous drip, and in medical teaching, a model is required to be used for teaching intravenous injection to medical staff.
Chinese patent discloses a venipuncture model, (grant publication No. CN 205428340U), and this patent technology can truly simulate the venipuncture environment, but its simulation environment is comparatively single, when the simulation was used, can't simulate the personnel injection of different obesity degree, can't satisfy the teaching use of more requirements.
Accordingly, those skilled in the art have provided a model of a flashback venipuncture to solve the problems set forth in the background above.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a vein puncture model capable of returning blood, which has the characteristic of high adjustability.
In order to achieve the purpose, the invention provides the following technical scheme: a venous puncture model capable of returning blood comprises a conveying mechanism and a simulation mechanism, wherein the conveying mechanism comprises a liquid storage tank and a booster pump, the input end of the booster pump is connected with the liquid storage tank, the booster pump is electrically connected with an external power supply, the output end of the booster pump is fixedly connected with a conveying pipe, the conveying mechanism also comprises a return pipe, one end of the return pipe is connected with the liquid storage tank, a three-way pipe is fixedly connected with the return pipe and one end of the conveying pipe far away from the liquid storage tank, two joints are fixedly connected on the three-way pipe, the conveying mechanism also comprises two rubber pipes, two ends of the two rubber pipes are respectively detachably connected with the joints of the two three-way pipes, a stop valve is connected in series at one end of the conveying pipe close to the booster pump, and a control valve is connected in series at one end of the return pipe close to the liquid storage tank, the simulation mechanism comprises a silica gel barrel and a glass tube fixed on the inner wall of the silica gel barrel, an arc-shaped groove is formed in the silica gel barrel, one end of the arc-shaped groove is close to the axis of the silica gel barrel, the other end of the arc-shaped groove is far away from the axis of the arc-shaped groove, the inner wall of the glass tube is fixedly connected with an LED lamp strip corresponding to the arc-shaped groove, the LED lamp strip is electrically connected with an external power supply, the rubber tube slides in the arc-shaped groove, four limiting mechanisms used for limiting the rubber tube are inserted into the two ends of the arc-shaped groove in a sliding mode, and a heating mechanism used for heating is connected to the conveying tube in series.
Preferably, the limiting mechanism comprises a limiting plate and a limiting insert block fixed on one side wall of the limiting plate, the limiting insert block is inserted into the arc-shaped groove in a sliding mode, and a pull column is fixedly connected to one side face, far away from the limiting insert block, of the limiting plate.
Preferably, the two cambered surfaces of the limiting insertion block are provided with anti-skid grains.
Preferably, the heating mechanism includes the connecting pipe and fixes the heat conduction net at the inner wall, the outer wall cover of connecting pipe is equipped with the electrical heating membrane, electrical heating membrane and external power source electric connection, the outer wall cover of electrical heating membrane is equipped with the heat insulating mattress, the both ends of connecting pipe with conveyer pipe sealing connection.
Preferably, the material of the heat insulation pad is glass fiber cotton.
Preferably, the outer wall cover of heat insulating mattress is equipped with the sleeve pipe, the sheathed tube material is stainless steel.
Preferably, the silica gel barrel is provided with a graduated scale corresponding to the arc-shaped groove.
Compared with the prior art, the invention has the beneficial effects that:
1. when using, open the stop valve, the booster pump is with in the simulated liquid pump sending to the conveyer pipe of liquid reserve tank, via heating mechanism heating, then carry to two rubber tubes via three-way pipe and joint, at last flow back to the liquid reserve tank in through the back flow, the velocity of flow of control valve control backward flow, a pressure for in the control rubber tube, better simulation human real environment, personnel use the syringe needle to pierce the silica gel bucket, pierce the rubber tube until the syringe needle, because the simulated liquid in the rubber tube has pressure, and it is mobile, the simulated liquid in the rubber tube can flow back to in syringe needle and the syringe tube, simulate real injection environment.
2. When the simulation, through rotating the silica gel bucket for the rubber tube is in the different positions of arc wall, thereby the distance of adjustment rubber tube and silica gel bucket surface, the simulation carries out intravenous route to the human body of different fat degrees, and adjusting position accomplishes the back, uses stop gear to carry on spacingly to the position of rubber tube, and the regulation nature is higher.
3. The LED lamp area in the glass tube can carry out the light filling to silica gel bucket and rubber tube, and the personnel can observe syringe needle male degree of depth and position, are convenient for adjust next time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a simulation mechanism according to the present invention;
FIG. 3 is a schematic structural view of a limiting mechanism according to the present invention;
FIG. 4 is a schematic view of a heating mechanism according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 4.
In the figure: 1. a conveying mechanism; 11. a liquid storage tank; 12. a booster pump; 13. a delivery pipe; 131. a stop valve; 14. a return pipe; 141. a control valve; 15. a three-way pipe; 151. a joint; 16. a rubber tube; 2. a simulation mechanism; 21. a silica gel barrel; 201. an arc-shaped slot; 202. a graduated scale; 22. a glass tube; 23. an LED light strip; 3. a limiting mechanism; 31. a limiting plate; 32. limiting an insert block; 33. pulling the column; 4. a heating mechanism; 41. a connecting pipe; 42. a thermally conductive mesh; 43. electrically heating the film; 44. a heat insulating pad; 45. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides the following technical solutions: a vein puncture model capable of returning blood comprises a conveying mechanism 1 and a simulation mechanism 2, wherein the conveying mechanism 1 comprises a liquid storage tank 11 and a booster pump 12, the input end of the booster pump 12 is connected with the liquid storage tank 11, the booster pump 12 is electrically connected with an external power supply, the output end of the booster pump 12 is fixedly connected with a conveying pipe 13, the conveying mechanism 1 further comprises a return pipe 14, one end of the return pipe 14 is connected with the liquid storage tank 11, one ends of the return pipe 14 and the conveying pipe 13, which are far away from the liquid storage tank 11, are fixedly connected with a three-way pipe 15, the three-way pipe 15 is fixedly connected with two connectors 151, the conveying mechanism 1 further comprises two rubber pipes 16, two ends of the two rubber pipes 16 are respectively detachably connected with the connectors 151 of the two three-way pipes 15, one end of the conveying pipe 13, which is close to the booster pump 12, is connected with a stop valve 131 in series, one end of the return pipe 14, which is close to the liquid storage tank 11, is connected with a control valve 141 in series, the simulation mechanism 2 comprises a silica gel barrel 21 and a glass pipe 22 fixed on the inner wall of the silica gel barrel, seted up arc 201 on silica gel bucket 21, the one end of arc 201 is close to silica gel bucket 21's axle center, the axle center of arc 201 is kept away from to the other end of arc 201, the LED lamp area 23 that glass tube 22's inner wall fixedly connected with and arc 201 correspond, LED lamp area 23 and external power source electric connection, rubber tube 16 all slides in arc 201, arc 201 both ends all slide to peg graft and are used for carrying out four spacing stop gear 3 to rubber tube 16, it has heating mechanism 4 that is used for the heating to establish ties on conveyer pipe 13.
In this embodiment: when in use, the stop valve 131 is opened, the booster pump 12 pumps the simulation liquid in the liquid storage tank 11 into the delivery pipe 13, the simulation liquid is heated by the heating mechanism 4, then the simulation liquid is delivered into the two rubber pipes 16 by the three-way pipe 15 and the joint 151, and finally the simulation liquid flows back into the liquid storage tank 11 through the return pipe 14, the control valve 141 controls the flow rate of the return flow for controlling the pressure in the rubber pipes 16 and better simulating the real environment of a human body, during simulation, the rubber pipes 16 are positioned at different positions in the arc-shaped groove 201 by rotating the silica gel barrel 21, so as to adjust the distance between the rubber pipes 16 and the outer surface of the silica gel barrel 21 and simulate the intravenous injection of the human body with different obesity degrees, after the position is adjusted, the position of the rubber pipes 16 is limited by the limiting mechanism 3, the adjustability is higher, and a person uses the injection needle to pierce the silica gel barrel 21 until the needle pierces the rubber pipes 16, because the simulation liquid in the rubber tube 16 has pressure, and is mobile, simulation liquid in the rubber tube 16 can flow back to in syringe needle and the syringe, simulates real injection environment, changes through the dismantlement to the rubber tube 16, can simulate many times, and LED lamp area 23 in the glass pipe 22 can carry out the light filling to silica gel bucket 21 and rubber tube 16, and the personnel can observe the syringe needle male degree of depth and position, are convenient for adjust next time.
In fig. 1, 2 and 3: stop gear 3 includes limiting plate 31 and fixes the spacing inserted block 32 at one of them lateral wall, spacing inserted block 32 slides and pegs graft in arc wall 201, a side fixedly connected with that spacing inserted block 32 was kept away from to limiting plate 31 draws post 33, peg graft respectively in the arc wall 201 of rubber tube 16 both sides with two spacing inserted blocks 32, it is spacing to 16 rubber tubes, prevent the skew of rubber tube 16, limiting plate 31 is spacing to spacing inserted block 32, prevent that spacing inserted block 32 from deepening in arc wall 201, insert and pull spacing inserted block 32 through drawing post 33, it is comparatively convenient to use.
In fig. 3: anti-skidding line has all been seted up to two cambered surfaces of spacing inserted block 32, increases frictional force.
In fig. 1, 4 and 5: heating mechanism 4 includes connecting pipe 41 and fixes the heat conduction net 42 at the inner wall, the outer wall cover of connecting pipe 41 is equipped with electrical heating membrane 43, electrical heating membrane 43 and external power source electric connection, electrical heating membrane 43's outer wall cover is equipped with heat insulating mattress 44, connecting pipe 41's both ends and conveyer pipe 13 sealing connection, when simulation liquid flows through in the connecting pipe 41, electrical heating membrane 43 heats the simulation liquid through connecting pipe 41 and heat conduction net 42, heat to human blood temperature, further simulate real injection environment, heat insulating mattress 44 keeps apart the heat in the electrical heating membrane 43 outside, prevent scalding the personnel.
In fig. 4 and 5: the material of heat insulating mattress 44 is glass fiber cotton, and thermal-insulated effect is better, and the outer wall cover of heat insulating mattress 44 is equipped with sleeve pipe 45, protects heat insulating mattress 44, prevents its damage, and sleeve pipe 45's material is the stainless steel, and difficult emergence corrosion prevents to become the pollution to the simulation environment.
In fig. 2: the silica gel barrel 21 is provided with a graduated scale 202 corresponding to the arc-shaped groove 201, and the moving position of the rubber tube 16 is observed through the graduated scale 202, so that the adjustment is more accurate.
The working principle and the using process of the invention are as follows: when in use, the stop valve 131 is opened, the booster pump 12 pumps the simulation liquid in the liquid storage tank 11 into the delivery pipe 13, the simulation liquid is heated by the heating mechanism 4, then the simulation liquid is delivered into the two rubber pipes 16 by the three-way pipe 15 and the joint 151, and finally the simulation liquid flows back into the liquid storage tank 11 through the return pipe 14, the control valve 141 controls the flow rate of the return flow for controlling the pressure in the rubber pipes 16 and better simulating the real environment of a human body, during simulation, the rubber pipes 16 are positioned at different positions in the arc-shaped groove 201 by rotating the silica gel barrel 21, so as to adjust the distance between the rubber pipes 16 and the outer surface of the silica gel barrel 21 and simulate the intravenous injection of the human body with different obesity degrees, after the position is adjusted, the position of the rubber pipes 16 is limited by the limiting mechanism 3, the adjustability is higher, and a person uses the injection needle to pierce the silica gel barrel 21 until the needle pierces the rubber pipes 16, because the simulation liquid in the rubber tube 16 has pressure, and is mobile, simulation liquid in the rubber tube 16 can flow back to in syringe needle and the syringe, simulates real injection environment, changes through the dismantlement to the rubber tube 16, can simulate many times, and LED lamp area 23 in the glass pipe 22 can carry out the light filling to silica gel bucket 21 and rubber tube 16, and the personnel can observe the syringe needle male degree of depth and position, are convenient for adjust next time.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A vein puncture model capable of returning blood is characterized in that: comprises a conveying mechanism (1) and a simulation mechanism (2), wherein the conveying mechanism (1) comprises a liquid storage tank (11) and a booster pump (12), the input end of the booster pump (12) is connected with the liquid storage tank (11), the booster pump (12) is electrically connected with an external power supply, the output end of the booster pump (12) is fixedly connected with a conveying pipe (13), the conveying mechanism (1) further comprises a return pipe (14), one end of the return pipe (14) is connected with the liquid storage tank (11), one ends of the return pipe (14) and the conveying pipe (13) far away from the liquid storage tank (11) are fixedly connected with a three-way pipe (15), the three-way pipe (15) is fixedly connected with two connectors (151), the conveying mechanism (1) further comprises two rubber pipes (16), and the two ends of the two rubber pipes (16) are respectively detachably connected with the connectors (151) of the two three-way pipes (15), the one end that conveyer pipe (13) is close to booster pump (12) is established ties and is had stop valve (131), the one end that back flow (14) is close to liquid reserve tank (11) is concatenated and is connected with control valve (141), analog mechanism (2) include silica gel bucket (21) and fix glass pipe (22) at its inner wall, arc wall (201) have been seted up on silica gel bucket (21), the one end of arc wall (201) is close to the axle center of silica gel bucket (21), the other end of arc wall (201) is kept away from the axle center of arc wall (201), the inner wall fixedly connected with of glass pipe (22) with LED lamp area (23) that arc wall (201) correspond, LED lamp area (23) and external power source electric connection, rubber tube (16) all slide in arc wall (201), arc wall (201) both ends all slide the grafting have be used for to rubber tube (16) carry out spacing four stop gear (3), and a heating mechanism (4) for heating is connected in series on the conveying pipe (13).
2. The model of claim 1, wherein: the limiting mechanism (3) comprises a limiting plate (31) and a limiting insert block (32) fixed on one side wall of the limiting mechanism, the limiting insert block (32) is inserted into the arc-shaped groove (201) in a sliding mode, and a pull column (33) is fixedly connected to one side face, far away from the limiting plate (31), of the limiting insert block (32).
3. The model of claim 2, wherein: anti-skid lines are arranged on the two cambered surfaces of the limiting insertion block (32).
4. The model of claim 1, wherein: heating mechanism (4) include connecting pipe (41) and fix heat conduction net (42) at the inner wall, the outer wall cover of connecting pipe (41) is equipped with electrical heating membrane (43), electrical heating membrane (43) and external power source electric connection, the outer wall cover of electrical heating membrane (43) is equipped with heat insulating mattress (44), the both ends of connecting pipe (41) with conveyer pipe (13) sealing connection.
5. The model of claim 4, wherein: the heat insulation pad (44) is made of glass fiber cotton.
6. The model of claim 5, wherein: the outer wall cover of heat insulating mattress (44) is equipped with sleeve pipe (45), the material of sleeve pipe (45) is stainless steel.
7. A flashback venipuncture model of claim 1, wherein: the silica gel barrel (21) is provided with a graduated scale (202) corresponding to the arc-shaped groove (201).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110127944.5A CN112669688B (en) | 2021-01-29 | 2021-01-29 | Vein puncture model capable of returning blood |
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| CN202110127944.5A CN112669688B (en) | 2021-01-29 | 2021-01-29 | Vein puncture model capable of returning blood |
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| CN112669688B true CN112669688B (en) | 2022-05-13 |
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