CN215987778U - Device for practicing vascular puncture - Google Patents
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- CN215987778U CN215987778U CN202122169420.0U CN202122169420U CN215987778U CN 215987778 U CN215987778 U CN 215987778U CN 202122169420 U CN202122169420 U CN 202122169420U CN 215987778 U CN215987778 U CN 215987778U
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Abstract
The utility model relates to the field of medical teaching models, in particular to a device for practicing vascular puncture, which comprises a human body model, wherein a plurality of pipelines inside the human body model are circularly arranged in the human body model according to the distribution condition of blood vessels of the human body to simulate the distribution of the blood vessels; the human body model is provided with a plurality of local puncture sections which can be integrally disassembled and assembled, and the local puncture sections are arranged for simulating the distribution condition of human skin, tissues and blood vessels; the local puncture section is wrapped on the hard framework, the hard framework is provided with the pulse simulation device, and the output end of the pulse simulation device is tightly attached to the inner layer of the local puncture section and used for outputting pulses. The local puncture position is convenient to disassemble and assemble, the operations such as blood sampling and the like can be accurately simulated, the verisimilitude of clinical training is restored, the judgment effect of puncture practice is enhanced, and medical personnel can conveniently conduct puncture practice so as to meet the requirements of teaching and operation.
Description
Technical Field
The utility model relates to the field of medical teaching models, in particular to a device for practicing vascular puncture.
Background
In clinical medicine, it is common practice to inject or draw blood from the arm of a patient. Intravenous injection and puncture blood sampling have the injury nature, cause patient's pain easily among intravenous injection and the puncture process, if puncture failure can aggravate patient's misery, to children and old man, the injury that causes is more showing, influences the curative effect, to critical patient's rescue, and a puncture is successful crucial, if improper operation, will probably endanger the life. Therefore, it is very critical for the medical staff to be skilled in the intravenous injection and puncture techniques.
Therefore, an exercise apparatus simulating puncture and needle insertion is needed to facilitate the medical staff to perform the needle insertion exercise and improve the technical level of the medical staff for needle insertion. In the prior art, a plurality of simulation exercise devices are available, but the simulation exercise devices can not simulate the circulation flow condition of human blood, operations such as blood sampling can not be simulated in the puncture exercise process, the puncture section is easy to damage in the puncture process, the use is influenced, the effect of puncture exercise is not easy to judge, and the function of the simulation exercise devices is to be further improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a device for practicing blood vessel puncture, and provides a puncture simulation training device which is convenient for medical personnel to perform puncture training and improves the technical level of puncture of the medical personnel so as to solve the technical problems that the puncture position in the prior art is easy to damage and difficult to replace, the operation such as blood sampling cannot be accurately simulated, the verisimilitude of clinical training is not enough, the puncture training effect is not easy to judge, and the teaching and operation requirements are difficult to meet.
The utility model provides a device for practising blood vessel puncture, includes the manikin, the inside hydraulic system that is provided with of manikin circulates pipeline liquid through the hydraulic pump, a plurality of pipelines on the hydraulic system circulate according to the human vascularity condition and set up in the manikin with simulation vascularity, each the pipeline include drain pipe highway section and return liquid pipe highway section, inject coloured liquid simulation blood in the pipeline.
The human body model is provided with a plurality of detachable local puncture sections, the local puncture sections are made of materials imitating human skin and tissues, and the local puncture sections comprise a radial artery puncture section, a brachial artery puncture section, a femoral artery puncture section, an instep artery puncture section and a carotid artery puncture section; the local puncture section simulates the distribution condition of human skin, tissues and blood vessels, and the pipeline of the local puncture section is connected with the pipeline at the corresponding position on the human model in an inserting manner.
The local puncture section is wrapped on the hard framework, the hard framework is provided with the pulse simulation device, and the output end of the pulse simulation device is tightly attached to the inner layer of the local puncture section and used for outputting pulses.
Preferably, the turning point of the interlude of each inside pipeline of manikin, feed liquor pipeline section and liquid return pipeline section is provided with dyeing apparatus, dyeing apparatus is arranged in letting in the coloring agent to liquid return pipeline, hydraulic system includes purifier, purifier is arranged in purifying the coloring agent of returning liquid pipeline.
Preferably, the dyeing device is provided with five dyeing devices, two of the dyeing devices are respectively arranged at two palm positions of the manikin, the other two dyeing devices are respectively arranged at two instep positions of the manikin, and the other dyeing device is arranged at the lower side of the neck of the manikin.
Preferably, the dyeing apparatus includes the connecting block, the inside passageway that is provided with of connecting block, the both ends and the tube coupling of passageway, be provided with the dyeing case on the connecting block, add pump and injector head, the dyeing case, add pump, injector head and connect gradually through the pipeline, the injector head sets up inside the connecting block and directly communicates with the passageway.
Preferably, the pulse simulation device includes the cylinder, the cylinder is provided with a plurality of to according to vascular artery trend curve setting, a plurality of cylinder setting is on the stereoplasm skeleton, the flexible end of cylinder hugs closely the inner wall setting of local puncture section, the inside simulation arterial duct and the simulation venous duct that is provided with of local puncture section of flexible end position department, a plurality of cylinder can carry out the flexible of festival segmentation with certain stroke and frequency to extrude local puncture section, thereby form a plurality of beat the point and beat in order to simulate the pulse and beat.
Preferably, contact sensors are arranged on the surface layer of the hard framework on two sides of the telescopic end of the cylinder.
The utility model has the following advantages and beneficial effects:
first, the conduit in the manikin of the present invention is a circulation loop, wherein: the liquid outlet pipe section of the pipeline simulates arterial blood vessels, the liquid return pipe section of the pipeline simulates venous blood vessels, colored liquid is injected into the pipeline to simulate blood, the hydraulic pump drives the liquid of the pipeline to flow, and the blood circulation process is simulated really. The human body model is provided with a plurality of local puncture sections which can be integrally disassembled and assembled, wherein the local puncture sections comprise a radial artery puncture section, a brachial artery puncture section, a femoral artery puncture section and a dorsalis pedis artery puncture section; the local puncture section is arranged for simulating the distribution condition of skin, tissue and blood vessels of a human body, and the pipeline of the local puncture section is connected with the pipeline at the corresponding position on the human body model in an inserting way. The puncture sections are arranged on the local parts of the human body model, puncture practice is convenient to carry out, the local puncture sections are convenient to disassemble, assemble and replace, the distribution of the skin, the tissue and the blood vessels of the human body is simulated vividly only in the local puncture position, and the structure of the human body model is further simplified.
Secondly, the distribution of skin, tissue and blood vessel on the local puncture section is consistent with the normal human vascular system, the hand feeling is lifelike, the student can be provided for the practice of artery and vein puncture technique which is inosculated with the clinic, the student can do the following according to the clinic requirement: blood gas analysis, selective angiography and treatment, hemodialysis treatment, arterial blood sampling, arterial catheterization, deep venipuncture, deep vein catheterization and the like; the liquid in the blood vessel simulates the blood flow, so that the exercise effect can be further vividly restored; after the puncture needle is placed, according to the color of blood sampling, the artery and the vein are different, and the dislocation of the needle is sensed by the contact sensor, so that the specific needle placing position condition is judged, and the condition of each puncture practice is accurately judged.
Thirdly, the local puncture section is wrapped on the hard framework, the hard framework is provided with the pulse simulation device, the pulse simulation device is arranged along the trend curve of the artery and is arranged close to the inner layer of the local puncture section for outputting the pulse, the shape of the artery is convenient to judge, and the pulse simulation device can adjust the intensity and the rhythm to simulate the pulse conditions of different degrees, so that the pulse simulation device is arranged on different local puncture sections. Can let the practitioner through feeling pulse response puncture point position, improve the degree of restitution of simulation pulse condition, improve the accuracy of puncture blood sampling point, promote the puncture exercise effect.
Drawings
FIG. 1 is a front view of a device for practicing vascular puncture provided in accordance with the present invention;
FIG. 2 is a cross-sectional view at the femoral artery of one of the partial puncture sections of the present invention;
FIG. 3 is a schematic view of the location of the pulse point of the cylinder of FIG. 2;
FIG. 4 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 5 is a sectional view of a dyeing apparatus provided by the present invention;
icon: 1-manikin, 1 a-brachial artery puncture section, 1 b-radial artery puncture section, 1 c-femoral artery puncture section, 1 d-dorsal artery puncture section, 1 e-carotid artery puncture section, 2-hydraulic system, 21-electromagnetic control valve body, 22-first pipeline, 23-second pipeline, 24-third pipeline, 25-fourth pipeline, 26-shunt valve, 27-fifth pipeline, 28-dyeing device, 281-connecting block, 2811-channel, 282-dyeing box, 283-adding pump, 284-spraying head, 3-hard skeleton, 31-arterial curve, 32-beating point, 4-local puncture section, 41-clamping groove, 42-lug, 43-simulated arterial tube, 44-simulated venous tube trend, 5-cylinder, 51-telescopic end, 52-contact sensor, 6-cladding.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
Examples
As shown in fig. 1 to 5, the device for practicing blood vessel puncture comprises a human body model 1, wherein a hydraulic system 2 is arranged in the human body model 1, the hydraulic system 2 comprises a hydraulic pump, a circulating pipeline, a control element and the like, and the hydraulic pump is used for circulating pipeline liquid. Of course, the main components such as the driving element of the hydraulic system can also be arranged on the outer side, and only corresponding pipelines are arranged in the human body model 1, so that the weight of the human body model 1 is reduced, and the external remote measurement control is realized.
A plurality of pipelines on the hydraulic system 2 are circularly arranged in the human body model 1 according to the distribution condition of blood vessels of a human body to simulate the distribution of the blood vessels, and each pipeline comprises a liquid outlet pipe section and a liquid return pipe section. The liquid outlet pipe section and the liquid inlet pipe section are arranged in an accompanying mode to simulate an artery and an accompanying vein beside the artery, and colored liquid simulation blood is injected into the pipeline.
As shown in FIG. 1, an electromagnetic control valve body 21 is arranged on a hydraulic system 2, the flow of each pipeline can be controlled through an electromagnetic valve, four pipelines are externally connected to the electromagnetic control valve body 21, namely a first pipeline 22, a second pipeline 23, a third pipeline 24 and a fourth pipeline 25, wherein the first pipeline 22 and the second pipeline 23 are pipelines leading to the lower limbs of a human body model 1, the third pipeline 24 and the fourth pipeline 25 are pipelines leading to the upper limbs of the human body, a flow dividing valve 26 is connected to the third pipeline 24, a fifth pipeline 27 is arranged on the flow dividing valve 26, the fifth pipeline 27 is arranged at the neck, the distribution of carotid artery and jugular vein is simulated, and the five pipelines 27 finally circulate back to the hydraulic system 2. The arrows on the lines in fig. 1 indicate the direction of blood flow.
The human body model 1 is integrally made of hard materials, a plurality of detachable local puncture sections 4 are arranged on the human body model 1, and the local puncture sections 4 are made of materials imitating human skin and tissues, so that the human skin and tissues are vividly simulated, and the puncture effect is enhanced. The local puncture section 4 is in a split type arrangement, as shown in fig. 3, the local puncture section 4 is divided into two halves, wherein, a clamping groove 41 is arranged on one half, and a convex block 42 is arranged on the other half, so that the local puncture section 4 is integrally arranged on the hard framework 3 through buckling connection of a pressing type. The local puncture section 4 comprises a radial artery puncture section 1b, a brachial artery puncture section 1a, a femoral artery puncture section 1c, an instep artery puncture section 1d and a carotid artery puncture section 1 e.
The local puncture section 4 truly simulates the distribution condition of human skin, tissues and blood vessels, and the pipeline of the local puncture section 4 is connected with the pipeline at the corresponding position on the human model 1 in an inserting way. For example, the pipelines on the brachial artery puncture section 1a and the radial artery puncture section 1b are connected with the third pipeline 24 and the fourth pipeline 25 in an inserting way; the pipelines on the femoral artery puncture section 1c and the dorsalis pedis artery puncture section 1d are in plug connection with the first pipeline 22 and the second pipeline 23; the line of the carotid artery puncture section 1e is connected to the fifth line 27 by plugging. More specifically, as shown in fig. 2: on the lower limb of the human body, on the lower limb of the second pipeline 23, when the local puncture section 4 is installed at the corresponding local position, the femoral artery puncture section 1c or the dorsalis pedis artery puncture section 1d, and at this time, the two ends of the simulated arterial tube 43 and the simulated venous tube 44 on the local puncture section 4 are respectively connected with the inlet and return pipeline sections of the second pipeline 23; similarly, installation at other local locations also operates as such.
The human body model 1 is wholly supported by a hard framework 3, and a coating layer 6 is arranged on the outer layer. As shown in fig. 2, 3 and 4, the local puncture section 4 is wrapped on the hard skeleton 3, a groove is arranged inside the hard skeleton 3, a pulse simulation device is arranged in the groove, and the output end of the pulse simulation device is arranged to be tightly attached to the inner layer of the local puncture section 4 and used for outputting pulse.
Further, the pulse simulation device comprises a plurality of air cylinders 5, and the air cylinders 5 are arranged inside the hard framework 3 according to the artery trend curve 31 of the blood vessel. The inner wall setting of local puncture section 4 is hugged closely to flexible end 51 of cylinder 5, and the inside simulation arterial line 43 and the simulation venous line 44 that is provided with of local puncture section 4 of flexible end 51 position department, cylinder 5 can carry out the flexible of festival formula with certain stroke and frequency to extrude local puncture section 4, thereby let a plurality of cylinder 5 stretch out and draw back to the outside, form a plurality of beat point 32 and beat in order to simulate the pulse. More specifically, the cylinders can be arranged in the range of 4-5cm of the arterial blood vessel shape, the number of the cylinders is 6-8, and 6-8 beating points can be touched, so that the arterial shape can be conveniently judged. When the operation of puncture is practiced to doctor's nurse, earlier touch the hand on local puncture section 4, the response pulse condition of beating, when touching the pulse department of beating, be the puncture point promptly. The arrow in fig. 2 and 4 indicates the puncturing direction.
Further, contact sensors 52 are provided on the surface layer of the hard frame 3 on both sides of the telescopic end 51 of the cylinder 5. When puncture simulation exercise, if can not be accurate put the needle on artery or vein, when the puncture skew, can puncture contact sensor 52 to by timely response, thereby remind the practitioner, the position condition of puncture this moment.
In the utility model, a dyeing device 28 is arranged at the middle section of each pipeline in the human body model 1, namely the turning point of the liquid inlet pipeline section and the liquid return pipeline section, and the dyeing device 28 is used for introducing a dyeing agent into the liquid return pipeline; the hydraulic system 2 comprises a purification device for purifying the stain in the return liquid line. The arrangement makes the colors of the liquid of the vein and the liquid of the artery different, so that the specific position of the needle can be distinguished when the needle is placed and punctured, and whether the puncture is on the vein or the artery at all can be distinguished, thereby providing accurate puncture judgment.
Further, five dyeing devices 28 are provided, and as shown in fig. 1, the dyeing devices 28 are provided on the first pipeline 22, the second pipeline 23, the third pipeline 24, the fourth pipeline 25 and the fifth pipeline 27. Two of the two are respectively arranged at the two palms of the human body model 1, the other two are respectively arranged at the two instep positions of the human body model 1, and the other one is arranged at the lower side of the neck of the human body model 1.
As shown in fig. 4, further, the dyeing apparatus 28 includes a connecting block 281, a channel 2811 is provided inside the connecting block 281, both ends of the channel 2811 are connected to a pipeline (the first pipeline 22, the second pipeline 23, the third pipeline 24, the fourth pipeline 25, or the fifth pipeline 27), a dyeing tank 282, an adding pump 283, and a spray head 284 are provided on the connecting block 281, the dyeing tank 282, the adding pump 283, and the spray head 284 are connected in sequence by pipelines, and the spray head 284 is provided inside the connecting block 281 and directly communicates with the channel 2811. The design can automatically and quantitatively introduce the coloring agent into the pipeline, so that the colors of the liquid in the pipeline before and after the coloring device 28 are different. A pipeline from the electromagnetic control valve body 21 of the hydraulic system 2 to the dyeing device 28 is a liquid outlet pipeline section of the pipeline and is used for simulating an arterial blood vessel; the line leading from the staining apparatus 28 back to the hydraulic system 2 is a return line section, which is used to simulate a venous blood vessel.
The operation principle is as follows: firstly, during the exercise, the hydraulic system 2 is in the starting state, and the pipelines inside the manikin 1 are in the circulating flow state. Secondly, the practitioner selects a local puncture section 4 to perform a puncture practice, such as the brachial artery puncture section 1 a. Thirdly, the pulse simulator on the brachial artery puncture section 1a is started, and the practicer touches the brachial artery puncture section 1a to sense the pulse position and find the puncture point for puncture. Puncture to the corresponding simulated arterial tube 43 or simulated venous tube 44, and the puncture position condition can be judged according to the difference of colors; if the puncture is dislocated, the contact sensor 52 will be punctured, thereby reminding the practicer. After frequent puncturing practice, the internal simulated arterial and venous tubes 43, 44 may be damaged, and the brachial artery puncturing section 1a may be replaced as a whole.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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 (6)
1. The utility model provides a device for practising blood vessel puncture, includes manikin (1), inside hydraulic system (2) that is provided with of manikin (1), circulate its characterized in that through the hydraulic pump to pipeline liquid:
a plurality of pipelines on the hydraulic system (2) are circularly arranged in the human body model (1) according to the distribution condition of human blood vessels to simulate the blood vessel distribution, each pipeline comprises a liquid outlet pipeline section and a liquid return pipeline section, and colored liquid simulation blood is injected into the pipeline;
the human body model (1) is provided with a plurality of detachable local puncture sections (4), the local puncture sections (4) are made of materials imitating human skin and tissues, and the local puncture sections (4) comprise a radial artery puncture section (1b), a brachial artery puncture section (1a), a femoral artery puncture section (1c), a dorsum pedis artery puncture section (1d) and a carotid artery puncture section (1 e); the local puncture section (4) is arranged for simulating the distribution condition of skin, tissue and blood vessels of a human body, and a pipeline of the local puncture section (4) is connected with a pipeline at a corresponding position on the human body model (1) in an inserting manner;
the local puncture section (4) is wrapped on the hard framework (3), the hard framework (3) is provided with a pulse simulation device, and the output end of the pulse simulation device is tightly attached to the inner layer of the local puncture section (4) and used for outputting pulses.
2. The device for practicing vascular puncture of claim 1, wherein: the middle section of each inside pipeline of manikin (1), the turning point of feed liquor pipeline section and liquid return pipeline section promptly is provided with dyeing apparatus (28), dyeing apparatus (28) are arranged in letting in the coloring agent to returning the liquid pipeline, hydraulic system (2) include purifier, purifier is arranged in purifying and returns the coloring agent of withdrawing in the liquid pipeline.
3. The device for practicing vascular puncture according to claim 2, wherein: the dyeing devices (28) are provided with five dyeing devices, wherein two dyeing devices are respectively arranged at two palm positions of the human body model (1), the other two dyeing devices are respectively arranged at two instep positions of the human body model (1), and the other dyeing device is arranged at the lower side of the neck of the human body model (1).
4. A device for practicing vascular puncture as claimed in claim 3, wherein: the dyeing device (28) comprises a connecting block (281), a channel (2811) is arranged inside the connecting block (281), two ends of the channel (2811) are connected with a pipeline, a dyeing box (282), an adding pump (283) and an injection head (284) are arranged on the connecting block (281), the dyeing box (282), the adding pump (283) and the injection head (284) are sequentially connected through the pipeline, and the injection head (284) is arranged inside the connecting block (281) and is directly communicated with the channel (2811).
5. The device for practicing vascular puncture of claim 1, wherein: the pulse simulation device comprises a cylinder (5), wherein the cylinder (5) is provided with a plurality of cylinders and is arranged according to an artery trend curve (31), the cylinders (5) are arranged on a hard framework (3), the telescopic end (51) of the cylinder (5) is tightly attached to the inner wall of the local puncture section (4), the local puncture section (4) at the position of the telescopic end (51) is internally provided with a simulation arterial tube (43) and a simulation venous tube (44), the cylinders (5) can stretch in a segmental manner with a certain stroke and frequency and extrude the local puncture section (4), and therefore a plurality of beating points (32) are formed to simulate pulse beating.
6. The device for practicing vascular puncture of claim 5, wherein: and contact sensors (52) are arranged on the surface layer of the hard framework (3) on two sides of the telescopic end (51) of the cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122169420.0U CN215987778U (en) | 2021-09-08 | 2021-09-08 | Device for practicing vascular puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122169420.0U CN215987778U (en) | 2021-09-08 | 2021-09-08 | Device for practicing vascular puncture |
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| Publication Number | Publication Date |
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| CN215987778U true CN215987778U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122169420.0U Active CN215987778U (en) | 2021-09-08 | 2021-09-08 | Device for practicing vascular puncture |
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| CN (1) | CN215987778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117727234A (en) * | 2024-02-08 | 2024-03-19 | 江苏域圆智能科技有限公司 | Demonstration appliance for simulating carotid artery |
-
2021
- 2021-09-08 CN CN202122169420.0U patent/CN215987778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117727234A (en) * | 2024-02-08 | 2024-03-19 | 江苏域圆智能科技有限公司 | Demonstration appliance for simulating carotid artery |
| CN117727234B (en) * | 2024-02-08 | 2024-05-24 | 江苏域圆智能科技有限公司 | Demonstration appliance for simulating carotid artery |
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