CN220252741U - Training model for intradermal injection of limbs - Google Patents
Training model for intradermal injection of limbs Download PDFInfo
- Publication number
- CN220252741U CN220252741U CN202321750551.0U CN202321750551U CN220252741U CN 220252741 U CN220252741 U CN 220252741U CN 202321750551 U CN202321750551 U CN 202321750551U CN 220252741 U CN220252741 U CN 220252741U
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- China
- Prior art keywords
- flexible
- elastic membrane
- intradermal injection
- silica gel
- middle shaft
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- 238000002347 injection Methods 0.000 title claims abstract description 48
- 239000007924 injection Substances 0.000 title claims abstract description 48
- 238000012549 training Methods 0.000 title claims abstract description 23
- 239000012528 membrane Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000004088 simulation Methods 0.000 claims abstract description 27
- 239000000741 silica gel Substances 0.000 claims abstract description 21
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims 2
- 238000005187 foaming Methods 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 28
- 239000007788 liquid Substances 0.000 description 21
- 210000003491 skin Anatomy 0.000 description 17
- 210000003414 extremity Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 206010020751 Hypersensitivity Diseases 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 208000026935 allergic disease Diseases 0.000 description 4
- 230000007815 allergy Effects 0.000 description 4
- 210000002615 epidermis Anatomy 0.000 description 4
- 229920000742 Cotton Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000000245 forearm Anatomy 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229930182555 Penicillin Natural products 0.000 description 2
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 2
- 210000004207 dermis Anatomy 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229940049954 penicillin Drugs 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000012085 test solution Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010013700 Drug hypersensitivity Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 201000005311 drug allergy Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 238000002255 vaccination Methods 0.000 description 1
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- Instructional Devices (AREA)
Abstract
The utility model discloses a limb intradermal injection training model, which comprises the following steps: the device comprises a flexible film, a middle shaft tube, silica gel bodies and a simulation assembly; the silica gel body is coated on the periphery of the middle shaft tube, the flexible film is coated on the periphery of the silica gel body, the simulation component is fixedly arranged in the silica gel body, and the upper end face of the simulation component protrudes to the upper surface of the flexible film; the end of the simulation assembly is provided with a flexible baffle plate and an elastic membrane, the elastic membrane and the flexible baffle plate are arranged in a split manner, and the elastic membrane is tightly attached to the flexible baffle plate; the flexible partition plate is provided with a water permeable structure; according to the utility model, a limb-shaped structure is constructed through the flexible membrane, the middle shaft tube, the silica gel body and the simulation component; the key is that the simulation assembly is arranged to simulate the foaming scene of the intradermal injection of the patient, so that an operator can clearly distinguish whether the intradermal injection is accurately injected into the skin.
Description
Technical Field
The utility model belongs to the technical field of medical training apparatuses, and particularly relates to a limb intradermal injection training model.
Background
Intradermal injection, a method of injecting a small amount of a medicinal liquid or biological product between epidermis and dermis, is mainly used for performing a drug allergy test to observe whether there is a allergy reaction; vaccination, such as bcg; an initial step of local anesthesia.
The operation flow of intradermal injection comprises the following steps:
1. carefully evaluating the illness state, treatment condition, medication history, allergy history and family history of the patient, knowing whether the patient has allergy history, and preparing the operation object for intradermal injection for the patient without allergy history according to the doctor's order.
2. It is clear that the patient has eaten the meal, can not go on empty stomach, can cooperate with the operation of intradermal injection.
3. According to the doctor's advice, the medicine injected intradermally is prepared, and the patient is checked and explained to obtain the cooperation, and the medicine injected intradermally is replaced with the purpose and notice.
4. The correct choice of intradermal injection site is usually the forearm palmar lower skin, since this site is thin and white, easy to inject and easy to identify the local skin test results.
5. The medical cotton swab is dipped with 75% alcohol disinfectant to disinfect the skin at the injection site, the puncture point is taken as the center, the cotton swab is spirally arranged from inside to outside, and the diameter of the disinfection range is more than 5 cm.
6. Taking out the prepared penicillin skin test solution, exhausting for the second time, tightening the skin by the left hand, holding the injector by the right hand in a flat-holding mode, enabling the inclined surface of the needle point to be in a line with scales upwards, enabling the needle point to form a 5-degree needle with the skin, enabling the needle point inclined surface to enter the skin completely, then enabling a small amount of the penicillin skin test solution to enter the skin after the inclined surface of the needle point enters the skin completely, putting the injector flat, fixing the pintle by the thumb of the left hand, slowly pushing the liquid medicine by the right hand, injecting 0.1ml, enabling local skin to bulge to form a hemispherical skin dome, enabling the skin to whiten and exposing pores.
7. The needle is quickly pulled out, the needle eye is not pressed by the cotton swab, and the watch is seen for timing.
8. The articles were sorted and the operations were recorded.
Intradermal injection requires precise injection of the drug solution below the epidermis in the clinic, but cannot be injected into the intradermal tissue; however, this operation needs to be performed, so that a great deal of experience is required, otherwise, it is difficult to perform a quasi-injection. However, the caregivers just above or students at school cannot practice in advance or cannot provide real injection practice for the caregivers. For this reason, there are multiple training devices in the market for such practical exercises, the most common is a latex training model, but the model is in a fixed form, and in practical exercises, only the needle insertion angle of a patient can be trained, and whether injection enters the epidermis or not can not be recognized at all. Of course, there are also prior art models such as the abdominal intradermal injection model, but the same problems described above are also not applicable to the subject described herein, the volar lower forearm intradermal injection.
For this reason, there is a downward need for a training model suitable for intradermal injection of the volar lower segment of the forearm, and which is clearly a training model of whether the injection is accurate.
Disclosure of Invention
In order to solve the technical problems, the utility model designs an intra-skin injection training model for limbs, which comprises an injection module, wherein an elastic membrane is arranged on the injection module to simulate the skin epidermis layer of a patient, a flexible baffle which can penetrate through liquid medicine under the condition of high pressure is arranged below the elastic membrane to simulate the dermis layer of the patient, and when the liquid medicine is accurately directly irradiated below the elastic membrane, the membrane body bulges so as to judge whether the injection is accurate or not.
In order to achieve the technical effects, the utility model is realized by the following technical scheme: a limb intradermal injection training model comprising: the device comprises a flexible film, a middle shaft tube, silica gel bodies and a simulation assembly;
the silica gel body is coated on the periphery of the middle shaft tube, the flexible film is coated on the periphery of the silica gel body, the simulation component is fixedly arranged in the silica gel body, and the upper end face of the simulation component protrudes to the upper surface of the flexible film;
the end of the simulation assembly is provided with a flexible baffle plate and an elastic membrane, the elastic membrane and the flexible baffle plate are arranged in a split manner, and the elastic membrane is tightly attached to the flexible baffle plate; the flexible partition plate is provided with a water permeable structure;
further, the simulation assembly comprises a carrier of the end head and a water guide pipe fixedly connected below the carrier, the other end of the water guide pipe is fixedly connected to the middle shaft pipe, and the inner cavity is communicated; the flexible partition plate and the elastic membrane are fixedly arranged on the carrier;
further, the carrier comprises a cylinder, the elastic membrane is fixedly arranged on the upper end surface of the cylinder and covers the upper port of the cylinder, and the flexible baffle is fixedly arranged in the inner cavity of the cylinder;
further, the flexible partition plate is provided with a water permeable hole and a pressure water permeable assembly, and the pressure water permeable assembly comprises a through hole penetrating through the flexible partition plate and a semicircular film sealing the through hole; an elastic adhesive tape is fixedly arranged on the linear edge of the semicircular film;
further, two ends of the middle shaft tube are provided with water outlets, and sealing sleeves are detachably sleeved on the water outlets;
the beneficial effects of the utility model are as follows:
according to the utility model, a limb-shaped structure is constructed through the flexible membrane, the middle shaft tube, the silica gel body and the simulation component; the key point is that the simulation component is arranged to simulate the foaming scene of the intradermal injection of the patient, so that an operator can clearly distinguish whether the intradermal injection is accurately injected into the skin; the elastic membrane and the flexible partition plate arranged on the simulation assembly simulate muscle tissues and skin of a patient, and because the flexible partition plate is provided with the water permeable structure, when the medicine is injected between the elastic membrane and the elastic membrane, the elastic membrane can bulge for a period of time initially, but under the pressure action of the elastic membrane, the medicine liquid can gradually permeate to the lower part so as to simulate the situation of medicine liquid absorption; compared with the prior art, the method can simulate a formal intradermal injection scene, and is more convenient for operators to master accurate injection angles and positions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a training model for intradermal injection of limbs;
FIG. 2 is a schematic diagram of a part of a training model for intradermal injection of limbs;
FIG. 3 is a schematic diagram of the internal structure of a training model for intradermal injection of limbs;
FIG. 4 is a schematic illustration of a carrier and its attendant structure for an intradermal injection training model of a limb;
FIG. 5 is an enlarged partial schematic view of the portion 5 of FIG. 4;
in the drawings, the list of components represented by the various numbers is as follows:
1-flexible membrane, 2-middle shaft tube, 21 sealing sleeve, 22-water outlet, 3-silica gel body, 4-simulation component, 41-carrier, 411-elastic membrane, 412-cylinder, 413-flexible baffle, 414-water permeable hole, 415-through hole, 416-semicircular membrane, 417-elastic adhesive tape and 42-water guide tube.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Example 1
1 referring to fig. 1 to 5, a training model for intradermal injection of limbs, comprising: a flexible membrane 1, a middle shaft tube 2, a silica gel body 3 and a simulation component 4;
the silica gel body 3 is coated on the periphery of the middle shaft tube 2, the flexible membrane 1 is coated on the periphery of the silica gel body 3, the simulation component 4 is fixedly arranged in the silica gel body 3, and the upper end face of the simulation component protrudes to the upper surface of the flexible membrane 1;
the end of the simulation assembly 4 is provided with a flexible baffle 413 and an elastic membrane 411, the elastic membrane 411 and the flexible baffle 413 are arranged in a split manner, and the elastic membrane 411 is tightly attached to the flexible baffle 413; a water permeable structure is arranged on the flexible baffle 413;
in this embodiment, the analog component 4 includes a carrier 41 of the end and a water conduit 42 fixedly connected below the carrier 41, wherein the other end of the water conduit 42 is fixedly connected to the middle shaft tube 2, and the inner cavities are communicated; the flexible diaphragm 413 and the elastic membrane 411 are fixedly arranged on the carrier 41; the carrier 41 is a part for carrying the needle head during needle insertion, and the water guide pipe 42 is used for transferring the liquid medicine in the carrier 41 into the middle shaft tube 2;
the carrier 41 comprises a cylinder 412, the elastic membrane 411 is fixedly arranged on the upper end surface of the cylinder 412 and covers the upper port of the cylinder 412, and the flexible baffle 413 is fixedly arranged in the inner cavity of the cylinder 412; the elastic membrane 411 seals the upper port of the whole cylinder 412, and when the needle injects the liquid medicine between the elastic membrane 411 and the flexible partition 413, the liquid medicine can prop up the elastic membrane 411 to form a bulge so as to simulate the bulge in the actual intradermal injection situation;
the flexible separator 413 is provided with a water permeable hole 414 and a pressure water permeable assembly, and the pressure water permeable assembly comprises a through hole 415 penetrating the flexible separator 413 and a semicircular membrane 416 sealing the through hole 415; an elastic adhesive tape 417 is fixedly arranged on the linear edge of the semicircular film 416; in this embodiment, the water permeability of the water permeable hole 414 is much smaller than the injection amount of the liquid medicine in unit time, so that after the needle injects the liquid medicine under the elastic membrane 411, the liquid medicine stays between the elastic membrane 411 and the flexible partition 413 and slowly runs down to fit the swelling condition of the elastic membrane 411; the liquid medicine is slowly lost, and the bulge of the elastic membrane 411 also slowly disappears, and the process simulates the absorption of the liquid medicine; in the same embodiment, a pressure water permeable component is further provided, wherein the semicircular membrane 416 is openable, and after the elastic membrane 411 swells to a certain extent, the pressure sufficient for opening the semicircular membrane 416 is generated downwards; that is, when the initial elastic membrane 411 bulges, the liquid medicine is drained downwards from the water permeable hole 414, and when the injection amount is far greater than the drain amount, the elastic membrane 411 bulges gradually, and after the bulge is achieved to a certain extent, the pressure is enough to open the semicircular membrane 416 so as to quickly move the liquid medicine downwards; after the pressure is reduced, the elastic strip 417 closes the two semicircular membranes 416 under its own elastic force, closing the water permeable assembly. Thus, the whole carrier 41 simulates the process of injecting the medicament into the medicament absorption, if the needle is directly inserted under the flexible diaphragm 413 during the training, the elastic membrane 411 will not bulge, which indicates that the injection is inaccurate, so as to help the operator correct the training action. Of course, in this embodiment, the flexible separator 413 is made of silica gel, the puncture needle can pass through, and the elastic membrane 411 can squeeze and seal the puncture hole by its own elastic force after the puncture needle passes through.
Example 2
Based on the above embodiment 1, in this embodiment, two ends of the middle shaft tube 2 are provided with the water outlet 22, and the sealing sleeve 21 is detachably sleeved on the water outlet 22; after the liquid medicine in the carrier 41 flows back into the middle shaft tube 2 through the water guide pipe 42, the liquid medicine is stored in the middle shaft tube and finally flows out through the water outlet 22, and the sealing sleeve 21 seals the two ends of the device when the device is normally used, so that the liquid medicine is prevented from flowing out.
In summary, the utility model constructs a limb-shaped structure through the flexible membrane, the middle shaft tube, the silica gel body and the simulation component; the key point is that the simulation component is arranged to simulate the foaming scene of the intradermal injection of the patient, so that an operator can clearly distinguish whether the intradermal injection is accurately injected into the skin; the elastic membrane and the flexible partition plate arranged on the simulation assembly simulate muscle tissues and skin of a patient, and because the flexible partition plate is provided with the water permeable structure, when the medicine is injected between the elastic membrane and the elastic membrane, the elastic membrane can bulge for a period of time initially, but under the pressure action of the elastic membrane, the medicine liquid can gradually permeate to the lower part so as to simulate the situation of medicine liquid absorption; compared with the prior art, the method can simulate the formal intradermal injection scene, and is more convenient for operators to master the accurate injection gesture.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. A limb intradermal injection training model comprising: the device comprises a flexible film, a middle shaft tube, silica gel bodies and a simulation assembly;
the silica gel body is coated on the periphery of the middle shaft tube, the flexible film is coated on the periphery of the silica gel body, the simulation component is fixedly arranged in the silica gel body, and the upper end face of the simulation component protrudes to the upper surface of the flexible film;
the end of the simulation assembly is provided with a flexible baffle plate and an elastic membrane, the elastic membrane and the flexible baffle plate are arranged in a split manner, and the elastic membrane is tightly attached to the flexible baffle plate; and a water permeable structure is arranged on the flexible partition plate.
2. The limb intradermal injection training model of claim 1, wherein the simulation assembly comprises a carrier of the tip and a water conduit fixedly connected below the carrier, the other end of the water conduit is fixedly connected to the middle shaft tube, and the inner cavities are communicated; the flexible baffle and the elastic membrane are fixedly arranged on the carrier.
3. The limb intradermal injection training model of claim 2, wherein the carrier comprises a cylinder, the elastic membrane is fixedly disposed on an upper end surface of the cylinder, covering an upper port of the cylinder, and the flexible diaphragm is fixedly disposed in an inner cavity of the cylinder.
4. A limb intradermal injection training model as claimed in claim 3 wherein the flexible barrier is provided with a water permeable aperture and a pressure water permeable assembly comprising a through aperture extending through the flexible barrier and a semi-circular membrane sealing the through aperture; the linear edge of the semicircular film is fixedly provided with an elastic adhesive tape.
5. The training model for intradermal injection of limbs according to claim 1, wherein the middle shaft tube is provided with water outlets at both ends, and sealing sleeves are detachably sleeved on the water outlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321750551.0U CN220252741U (en) | 2023-07-05 | 2023-07-05 | Training model for intradermal injection of limbs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321750551.0U CN220252741U (en) | 2023-07-05 | 2023-07-05 | Training model for intradermal injection of limbs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220252741U true CN220252741U (en) | 2023-12-26 |
Family
ID=89231786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321750551.0U Active CN220252741U (en) | 2023-07-05 | 2023-07-05 | Training model for intradermal injection of limbs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220252741U (en) |
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2023
- 2023-07-05 CN CN202321750551.0U patent/CN220252741U/en active Active
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