CN209879947U - Ultrasonic elastography practice model - Google Patents

Abstract

The utility model discloses an ultrasonic elastography practice model, which comprises more than two layers of embedded imitations, wherein the hardness of each layer of embedded imitations is different; an accommodating space is arranged in the embedding imitation body; the tumor imitation body is arranged in the accommodating space, and the surface of the tumor imitation body is attached to the inner wall surface of the accommodating space. The utility model can simulate the human tissue where the tumor is located, which is the same as the real state of an illness, by arranging more than two layers of embedding imitations with different hardness, thereby ensuring the accuracy in the actual clinical diagnosis; furthermore, the different accommodating spaces in the positions are arranged in the embedded imitation bodies of all layers, so that the detection of the swelling imitation bodies in different positions and different depths is realized.

Description

Ultrasonic elastography practice model

Technical Field

The utility model relates to a medical science teaching model technical field especially relates to an supersound elasticity formation of image exercise model.

Background

Ultrasound elastography is a relatively new ultrasound technique that can provide additional diagnostic information for conventional ultrasound applications. Elastography is based on the hardness of tissue to image and is not an anatomical structure. Elastography has the potential to quantitatively measure lesion stiffness, which previously could only be determined subjectively by a physician. Elastography technology, which was first applied clinically in 2003, has increased with improvements in diagnostic ultrasound systems. Current elastography systems not only identify benign and malignant conditions, but also evaluate histological information by describing the distribution of tissue stiffness. It can also evaluate the therapeutic effect of anticancer drugs. The application range of the method is mainly in the aspects of mammary gland diseases, prostate diseases, thyroid diseases, atherosclerotic plaques, cardiac muscle functions, skeletal muscle, liver fiber grading, pancreatic lesions, postoperative evaluation of interventional therapy (high-intensity focused ultrasound, absolute alcohol injection therapy, microwave therapy, radio frequency therapy and the like). Image quality, image acquisition techniques and image interpretation continue to improve.

The ultrasonic elastography is greatly influenced by an examiner, so that standard training is required before operation, the success rate, accuracy and repeatability of examination are improved, and the clinical operation time is shortened. Therefore, it is necessary to develop a model for ultrasound elastography training.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an supersound elasticity formation of image exercise model to realize training through the model before getting into clinical actual operation, promote the proficiency of supersound elasticity formation of image operation gimmick, guarantee the degree of accuracy of clinical examination.

The utility model provides an supersound elasticity formation of image exercise model, wherein, include:

more than two layers of embedded imitations, wherein the hardness of each layer of embedded imitations is different;

an accommodating space is arranged in the embedding imitation body;

the tumor imitation body is arranged in the accommodating space, and the surface of the tumor imitation body is attached to the inner wall surface of the accommodating space.

The ultrasound elastography practice model as described above, wherein preferably the hardness of the tumor phantom is greater than the hardness of the embedded phantom.

The ultrasonic elastography exercise model as above, wherein, preferably, the embedded imitation is provided with three layers, and the hardness of each layer of the embedded imitation increases from top to bottom in sequence.

The ultrasonic elastography training model as described above, wherein, preferably, the thickness of each layer of the embedded phantom increases from top to bottom.

The ultrasound elastography training model as described above, wherein preferably, the tumor imitation is fixedly embedded in the accommodating space, or the tumor imitation is detachably disposed in the accommodating space.

The ultrasound elastography practice model as described above, wherein, preferably, the accommodating spaces are respectively provided in the embedded imitations of each layer, and the positions of the accommodating spaces in the embedded imitations of each layer are different.

The ultrasonic elastography training model as described above, wherein preferably, the accommodating space penetrates through the connecting surface of the embedded phantom in two adjacent layers.

The ultrasonic elastography practice model as described above, wherein preferably, further comprises a fixing structure for closing the accommodating space.

The ultrasonic elastography exercise model as described above, wherein preferably, the fixing structure includes a guide portion and a limiting portion, the guide portion is attached to an inner wall surface of the accommodating space, and the limiting portion is abutted to the embedded dummy.

The ultrasound elastography practice model as described above, wherein the embedding imitation is preferably made of polyvinyl alcohol.

The utility model can simulate the human tissue where the tumor is located, which is the same as the real state of an illness, by arranging more than two layers of embedding imitations with different hardness, thereby ensuring the accuracy in the actual clinical diagnosis; furthermore, the different accommodating spaces in the positions are arranged in the embedded imitation bodies of all layers, so that the detection of the swelling imitation bodies in different positions and different depths is realized.

Drawings

Fig. 1 is a schematic structural diagram of an ultrasound elastography practice model provided in an embodiment of the present invention at a viewing angle;

fig. 2 is a schematic structural diagram of an ultrasound elastography practice model provided in an embodiment of the present invention at another viewing angle;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a cross-sectional view of an ultrasound elastography training model provided in accordance with another embodiment of the present invention;

fig. 5 is a schematic structural view of the fixing structure.

Description of reference numerals:

100-embedded imitation body 200-accommodating space 300-fixing structure

310-limiting part 320-guiding part 330-positioning hole

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 3, an embodiment of the present invention provides an ultrasound elastography practice model, which includes more than two layers of embedded imitations 100, wherein the hardness of each layer of embedded imitations 100 is different; the embedding imitation 100 is provided with a containing space 200; the tumor imitation body is arranged in the accommodating space 200, and the surface of the tumor imitation body is attached to the inner wall surface of the accommodating space 200. The cross-sectional shape of the accommodating space 200 may be circular, oval or polygonal, and in this embodiment, the cross-sectional shape of the accommodating space 200 is rectangular.

It will be appreciated that the tissue under the skin of the human body is generally divided into a plurality of layers, and the hardness of each layer is different, and if the embedded phantom 100 has only the same hardness value, it is obvious that the situation of the real clinical case cannot be learned. Therefore, in this embodiment, by providing more than two layers of embedded phantom 100 with different hardness, the human tissue where the tumor is located can be simulated, which is the same as the actual disease condition, thereby ensuring the accuracy in the actual clinical diagnosis. In addition, because the tumor imitation body is tightly attached to the inner wall surface of the accommodating space 200, the condition of the tumor growing in the human body can be simulated really, and the detection of the tumor in the human body can be learned in practice and clinic by detecting the tumor imitation body by adopting the ultrasonic elastography technology. Wherein, the hardness of the tumor imitation can be larger than that of the embedded imitation 100.

Specifically, in this embodiment, the embedded phantom 100 may be provided with three layers, and the hardness of each layer of the embedded phantom 100 increases from top to bottom. Here, "from top to bottom" is understood to mean a direction from the side close to the skin to the side away from the skin on the embedded replica 100. In addition, the thickness of each layer of embedded phantom 100 can be designed according to the actual human tissue, and in this embodiment, the thickness of each layer of embedded phantom 100 increases from top to bottom.

It should be noted that the tumor imitation may be fixedly embedded in the accommodating space 200, or the tumor imitation may be detachably disposed in the accommodating space 200. Wherein, when the imitative body of swelling is fixed to be inlayed and establish in accommodation space 200, can place the imitative body of swelling after the shaping in the container to pour into the raw materials that is used for making embedding imitative body 100 in the container, make the raw materials cladding on the surface of the imitative body of swelling, after making embedding imitative body 100 with the raw materials, can realize fixedly inlaying the imitative body of swelling in embedding imitative body 100, this kind of mode can realize that the imitative body of swelling and embedding imitative body 100 form an organic whole structure, be applicable to the state of an illness of appointed type, for example, the position that the swelling grows, the swelling size, the condition that the swelling type is all set for, can carry out the embedding to the imitative body of swelling of irregular shape fixedly simultaneously.

In order to realize the detection of different tumor types, different growth positions or different sizes of tumors by using one practice model, the tumor phantom is detachably disposed in the accommodating space 200 in the present embodiment. In addition, through above-mentioned detachable connected mode, also made things convenient for the selectivity of imitative body of tumour to change, realized the study of the detection of the imitative body of tumour of different grade type.

Specifically, as shown in fig. 1 and fig. 2, the accommodating spaces 200 are respectively disposed in the embedded replicas 100 of each layer, and the positions of the accommodating spaces 200 in the embedded replicas 100 of each layer are different, but of course, the sizes of the accommodating spaces 200 may also be different. The positions of the accommodating spaces 200 are projection positions in the direction perpendicular to the surface of the embedded dummy 100, and the projection positions are not overlapped with each other, so that when ultrasonic elastography detection is performed in the direction perpendicular to the surface of the embedded dummy 100, detection of the tumor dummy in different positions and different depths can be realized. Wherein, the material of the imitative body of swelling can be the same with the material of the imitative body of embedding 100 also can be different, in addition, the imitative body of swelling also can be replaced by meat to can make the supersound elastic forming exercise more be close to truely, and through adopting the imitative body of swelling and embedding 100 detachable connected modes, also be convenient for preserve or change above-mentioned meat. The embedding member 100 may be made of polyvinyl alcohol.

It should be noted that if air exists between the tumor phantom and the inner wall of the accommodating space 200, it is difficult to image during the ultrasonic examination; for this reason, after the tumor phantom is installed in the accommodating space 200, air possibly existing between the tumor phantom and the inner wall of the accommodating space 200 may be eliminated by adding a coupling agent or water between the tumor phantom and the inner wall of the accommodating space 200.

In addition, it should be noted that in an actual case, there is a case where the tumor grows in multiple layers of human tissues due to its being too large, and in order to learn the ultrasound elastography detection of the tumor in similar cases through the practice model, in another embodiment of the present application, as shown in fig. 4, the accommodating space 200 may also penetrate through the connecting surface of two adjacent layers of the embedded phantom 100.

Further, the exercise model may further include a fixing structure 300 for enclosing the receiving space 200. The accommodating space 200 is a blind hole formed in the embedded dummy 100, and when the tumor dummy is placed in the blind hole, the tumor dummy can be enclosed in the blind hole by using the fixing structure 300, so as to ensure the fixing stability of the tumor dummy.

Specifically, as shown in fig. 5, the fixing structure 300 may include a guide portion 320 and a limiting portion 310, the guide portion 320 is attached to an inner wall surface of the accommodating space 200, and the limiting portion 310 abuts against the embedded dummy 100.

The position-limiting portion 310 may be provided with a positioning hole 330, so that the fixing structure 300 can be fixed on the embedded dummy 100 after passing through the positioning hole 330 by using a press pin, thereby ensuring the fastening connection between the fixing structure 300 and the embedded dummy 100.

The embodiment of the utility model provides an supersound elasticity formation of image exercise model has the imitative body of embedding of different hardness through setting up more than two-layer to can simulate out the human tissue at the swelling place the same with the true state of an illness, degree of accuracy when having guaranteed actual clinical diagnosis.

Furthermore, the different accommodating spaces in the positions are arranged in the embedded imitation bodies of all layers, so that the detection of the swelling imitation bodies in different positions and different depths is realized.

The structure, features and effects of the present invention have been described in detail above according to the embodiment shown in the drawings, and the above description is only the preferred embodiment of the present invention, but the present invention is not limited to the implementation scope shown in the drawings, and all changes made according to the idea of the present invention or equivalent embodiments modified to the same changes should be considered within the protection scope of the present invention when not exceeding the spirit covered by the description and drawings.

Claims (10)

1. An ultrasound elastography practice model, comprising:

more than two layers of embedded imitations, wherein the hardness of each layer of embedded imitations is different;

an accommodating space is arranged in the embedding imitation body;

the tumor imitation body is arranged in the accommodating space, and the surface of the tumor imitation body is attached to the inner wall surface of the accommodating space.

2. The ultrasound elastography practice model of claim 1, wherein the stiffness of the tumor phantom is greater than the stiffness of the embedded phantom.

3. The ultrasonic elastography exercise model of claim 1, wherein the embedded phantom is provided with three layers, and the hardness of each layer of the embedded phantom increases from top to bottom in sequence.

4. The ultrasonic elastography training model of claim 3, wherein the thickness of each layer of the embedding imitation increases from top to bottom.

5. The ultrasonic elastography training model of claim 1, wherein the tumor phantom is fixedly embedded in the accommodating space or detachably disposed in the accommodating space.

6. The ultrasonic elastography exercise model of claim 1, wherein the accommodating spaces are respectively disposed in the embedded imitations of each layer, and the positions of the accommodating spaces in the embedded imitations of each layer are different.

7. The ultrasonic elastography training model of claim 1, wherein the accommodation space penetrates through the connecting surface of two adjacent layers of the embedded phantom.

8. The ultrasound elastography practice model of claim 1, further comprising a fixation structure for enclosing the accommodation space.

9. The ultrasonic elastography exercise model of claim 8, wherein the fixing structure comprises a guide part and a limiting part, the guide part is attached to the inner wall surface of the accommodating space, and the limiting part is abutted to the embedded dummy.

10. The ultrasonic elastography training model of claim 1, wherein the embedding dummy is made of polyvinyl alcohol.