CN210955775U - Venipuncture model - Google Patents

Abstract

The utility model discloses a venipuncture model, which comprises two groups of venipuncture components, wherein each group of venipuncture component at least comprises an outer cladding layer and a plurality of groups of blood vessel simulation units, the outer cladding layer of one group of venipuncture component is at least partially formed into an observation window, and the parts of the blood vessel simulation units are arranged in the outer cladding layer and the two ends of the blood vessel simulation units extend to the outside of the outer cladding layer; each group of the blood vessel simulation units at least comprise a simulation blood vessel which is arranged in the outer covering layer, two ends of the simulation blood vessel extend to the outside of the outer covering layer, a heparin cap which seals one end of the simulation blood vessel, a simulation blood and injection liquid collecting part and a blood returning display part which are communicated with the other end of the simulation blood vessel. The effect of examination and training comparison is realized, whether puncture fails or not can be known through the blood return display piece and the like in the practical operation process, and the effect of controllability in the training and examination is improved.

Description

Venipuncture model

Technical Field

The utility model relates to a puncture model structure field specifically, relates to the venipuncture model.

Background

The puncture model is used as an auxiliary tool for nursing at each level, clinical medicine specialty and hospital training new nurses, and is widely applied to daily auxiliary training and examination. However, it is common in the market to directly use a model such as an intravenous injection arm close to the skin, blood vessel and other ducts of the human body, which makes it difficult for beginners and low-priced medical staff to feel the falling-off feeling of venipuncture in actual operation, and also makes it difficult to intuitively know whether the puncture is successful or not in training because of the invisible structure.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned prior art, the utility model aims to overcome among the prior art puncture model often do not have the dual efficiency that examination and training are compared, and in case the puncture fails among the real operation process, the problem that medical staff to beginner and low-grade capital is more difficult to distinguish and know to provide one kind and have the effect that examination and training are compared, and real operation in-process can know whether the puncture fails through blood return display piece etc. improve the vein puncture model of the controllability in training and the examination.

In order to achieve the above object, the present invention provides a venipuncture model, which comprises two groups of venipuncture assemblies, each group of venipuncture assembly at least comprises an outer covering layer, and a plurality of groups of blood vessel simulation units, wherein the parts of the venipuncture assemblies are arranged in the outer covering layer, and two ends of the blood vessel simulation units extend to the outside of the outer covering layer; and wherein the outer covering of a set of said venipuncture assemblies is at least partially formed as a viewing window;

each group of the blood vessel simulation units at least comprise a simulation blood vessel which is arranged in the outer covering layer, two ends of the simulation blood vessel extend to the outside of the outer covering layer, a heparin cap which seals one end of the simulation blood vessel, a simulation blood and injection liquid collecting part and a blood returning display part which are communicated with the other end of the simulation blood vessel.

Preferably, the number of the blood vessel simulation units in each group of the venipuncture assembly is at least two, and the corresponding simulated blood vessel structures in the blood vessel simulation units in the plurality of groups of the venipuncture assemblies are the same.

Preferably, the other end of the simulated blood vessel is communicated with a three-way pipe, and two openings which are not communicated with the simulated blood vessel in the three-way pipe are respectively connected with a simulated blood and injection liquid collecting part and a blood return display part.

Preferably, the infusion fluid collection member is a drainage bag;

the blood return display piece comprises a first section and a second section which are sequentially communicated from the three-way pipe, and the sectional area of the first section is smaller than that of the second section.

Preferably, the distance between the flashback indicator and the simulated blood vessel is less than the distance between the simulated blood and the injection liquid collector and the simulated blood vessel.

Preferably, a receiving groove is further arranged below the outer cladding.

Preferably, the venipuncture assemblies are detachably connected with each other.

Through the technical scheme, the utility model discloses set up two sets of vein puncture subassemblies to set up the observation window on one of them vein puncture subassembly, thereby make and to compare this vein puncture subassembly with another vein puncture subassembly that corresponds through the observation window, realize the dual matching of examination or training. Further every group set up multiunit blood vessel analog unit in the vein puncture subassembly, according to the different blood vessel analog unit of human condition simulation becoming, be convenient for train the blood vessel under the multiple state, adopt the heparin cap to seal in simulation blood vessel one end simultaneously, be convenient for simulate the injection of blood, and further set up simulation blood and injection liquid collection spare and return blood display piece at the other end, can realize the observation to the puncture result effectively, when the puncture is successful, then have the demonstration of return blood state in the return blood display piece, and simultaneously, can collect simulation blood and injection liquid collection spare to unnecessary simulation blood and injection liquid, avoid causing the pollution.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

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 view of a partial structure of a venipuncture model provided by the present invention.

Description of the reference numerals

1-outer cladding 2-viewing window

3-mimic vascular 4-heparin cap

5-collection part for simulated blood and injection liquid 6-blood return display part

7-three-way pipe 8-receiving groove.

Detailed Description

The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As shown in fig. 1, the utility model provides a venipuncture model, which comprises two groups of venipuncture assemblies, wherein each group of venipuncture assembly at least comprises an outer cladding layer 1 and a plurality of groups of blood vessel simulation units, wherein the two ends of each blood vessel simulation unit extend to the outside of the outer cladding layer 1; and wherein the outer wrap 1 of a set of said venipuncture assemblies is at least partially formed as a viewing window 2;

each group of the blood vessel simulation units at least comprises a simulation blood vessel 3 which is arranged in the outer cladding 1 and the two ends of which extend to the outside of the outer cladding 1, a heparin cap 4 which seals one end of the simulation blood vessel 3, a simulation blood and injection liquid collecting part 5 which is communicated with the other end of the simulation blood vessel 3 and a blood return display part 6.

In a preferred embodiment, there are at least two sets of the blood vessel simulation units in each set of the venipuncture assembly, and the corresponding simulated blood vessels 3 in the blood vessel simulation units in the sets of the venipuncture assembly have the same structure. Meanwhile, each specific blood vessel simulation unit in the two groups of venipuncture assemblies corresponds to each other one by one, namely, except that an outer cladding layer 1 of the two groups of venipuncture assemblies is provided with an observation window 2, the rest structures of the two groups of venipuncture assemblies correspond to each other. And specifically, the simulated blood vessel 3 in each specific blood vessel simulation unit in each group of venipuncture components can be correspondingly set according to actual conditions, for example, five groups of blood vessel simulation units can be set, the simulated blood vessel 3 on the first group of blood vessel simulation units is a simulated human body normal adult venous duct, the blood vessel is relatively thick, straight and good in elasticity, a simulated venous catheter is directly used, and a layer of simulated skin close to the human body skin puncture simulated skin is adhered on the simulated venous catheter; the simulated blood vessel 3 on the second group of blood vessel simulation units is designed for simulating the vein of the obese patient, the blood vessel is deep, the puncture can be successfully completed only by increasing the needle insertion angle, the structure adopts the mode that a layer of sponge with the thickness of 0.5cm-1cm is covered on the simulated venous catheter, a layer of simulated skin which is close to the skin puncture of the human body is adhered on the sponge, and the skin has blue lines and is matched with the simulated blood vessel under the skin; the simulated blood vessels 3 on the third group of blood vessel simulation units are blood vessels of a simulated edema patient, the structure adopts a mode that a simulated venous catheter is sequentially covered with two layers of skin, transparent liquid is arranged between the two layers of skin, the upper layer of skin is opaque, and the lower layer of skin is transparent; the simulated blood vessel 3 on the fourth group of blood vessel simulation units is used for simulating the vein of a shock patient, and adopts a flat tube design to simulate the insufficient state of the blood vessel when a person is in shock; the simulated blood vessel 3 on the fifth group of blood vessel simulation units is used for simulating the blood vessel of the old people, and the blood vessel can have a certain moving space.

Furthermore, the simulated blood vessels 3 in the multiple groups of blood vessel simulation units in the venipuncture assembly are made of materials with different thicknesses and different pipe material hardnesses, so that a puncture person can find the falling feeling from shallow to deep more quickly in the puncture process, and the phenomenon that the simulated blood vessels 3 which are made of materials close to the blood vessels of the human body are adopted to cause a beginner to be difficult to directly feel the falling feeling is avoided. In a preferred embodiment, it may be provided in a venipuncture assembly having a viewing window 2 to enable visual perception in combination with vision.

In a further preferred embodiment, in order to better realize the communication arrangement of the simulated blood and the injection liquid collecting piece 5 and the blood return display piece 6 and the simulated blood vessel 3, the other end of the simulated blood vessel 3 is communicated with a three-way pipe 7, and two openings of the three-way pipe 7 which are not communicated with the simulated blood vessel 3 are respectively connected with the simulated blood and the injection liquid collecting piece 5 and the blood return display piece 6.

In a more preferred embodiment, the dummy blood and injection liquid collecting member 5 may be used as a drainage bag;

the flashback indicator 6 may further include a first section and a second section in serial communication from the tee 7, and the first section has a smaller cross-sectional area than the second section. Thereby facilitating the observation of the blood return state, and further, the structure of the syringe can be adopted for use.

In a more preferred embodiment, the distance between the blood return indicator 6 and the simulated blood vessel 3 is smaller than the distance between the simulated blood and the injection liquid collector 5 and the simulated blood vessel 3.

In order to further avoid pollution of the operating environment caused by the simulation of the overflow of blood in the puncture failure process, for example, pollution of bed sheets caused by simulation on a hospital bed, and the like, a receiving groove 8 is further arranged below the outer cladding layer 1. Of course, the receiving groove 8 is arranged right below the outer cladding 1, the upper surface of the receiving groove is recessed downwards to form a receiving cavity, and the area of the receiving cavity is larger than that of the two outer claddings 1, so that the receiving groove can more effectively receive the simulated blood leaked due to misoperation training.

In a more preferred embodiment, two groups of the venipuncture assemblies are detachably connected for facilitating the examination and the distinguishing operation of the simulated practice. Further, the detachable connection can be in a manner understood by those skilled in the art, for example, the two outer coverings 1 are extended and provided with snap tapes at two sides, and the detachable connection of the two outer coverings 1 is realized through the matching of the snap tapes.

The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims (7)

1. A venipuncture model is characterized by comprising two groups of venipuncture components, each group of venipuncture component at least comprises an outer covering layer (1) and a plurality of groups of blood vessel simulation units which are partially arranged in the outer covering layer (1) and have two ends extending to the outside of the outer covering layer (1), wherein the outer covering layer (1) of one group of venipuncture components is at least partially formed into an observation window (2);

each group of the blood vessel simulation units at least comprise a simulation blood vessel (3) which is arranged in the outer cladding (1) and the two ends of which extend to the outside of the outer cladding (1), a heparin cap (4) which seals one end of the simulation blood vessel (3), a simulation blood and injection liquid collecting part (5) and a blood returning display part (6) which are communicated with the other end of the simulation blood vessel (3).

2. The venipuncture model of claim 1, wherein there are at least two sets of blood vessel simulation units in each set of venipuncture assembly, and corresponding simulated blood vessels (3) in the blood vessel simulation units in the sets of venipuncture assemblies have the same structure.

3. The venipuncture model of claim 1 or 2, wherein the other end of the simulated blood vessel (3) is connected with a tee (7), and two openings of the tee (7) which are not connected with the simulated blood vessel (3) are respectively connected with a simulated blood and injection liquid collecting element (5) and a blood return display element (6).

4. A venipuncture model according to claim 3, wherein said dummy blood and injection liquid collecting member (5) is a drainage bag;

the blood return display piece (6) comprises a first section and a second section which are sequentially communicated from the three-way pipe (7), and the sectional area of the first section is smaller than that of the second section.

5. A venipuncture model according to claim 3, wherein the distance between the flashback indicator (6) and the simulated blood vessel (3) is smaller than the distance between the simulated blood and the injection liquid collector (5) and the simulated blood vessel (3).

6. A venipuncture model according to claim 1 or 2, wherein a receiving groove (8) is further provided below the outer covering (1).

7. The venipuncture model of claim 1 or 2, wherein two sets of venipuncture assemblies are detachably connected.

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