CN212966748U - Vascular anastomosis training device - Google Patents
Vascular anastomosis training device Download PDFInfo
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- CN212966748U CN212966748U CN202022288369.0U CN202022288369U CN212966748U CN 212966748 U CN212966748 U CN 212966748U CN 202022288369 U CN202022288369 U CN 202022288369U CN 212966748 U CN212966748 U CN 212966748U
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Abstract
The utility model relates to a medical science anatomical model technical field, concretely relates to vascular anastomosis trainer, it includes: the blood vessel simulator comprises an installation layer, a simulated blood vessel and a fixing piece, wherein a first groove for training is formed in the upper surface of the installation layer; the simulated blood vessel is arranged on the mounting layer through the fixing piece and penetrates through the first groove, the simulated blood vessel comprises a first blood vessel and a second blood vessel, the first blood vessel is used for simulating an artery, and the second blood vessel is used for simulating an artificial blood vessel. Through setting up first recess, make the hand have abundant activity space when training, the training of being convenient for, and the simulation blood vessel passes first recess, makes the utility model discloses a blood vessel anastomosis technique trainer is close the clinical condition of blood vessel anastomosis technique, and training effect is good, for the traditional method of adopting training animal training, the utility model provides an installation layer, simulation blood vessel and mounting cost are lower, and can use, clean health not for the limit. When the installation layer, or the simulated blood vessel, or the fixing piece is damaged, the installation layer can be replaced.
Description
Technical Field
The utility model relates to a medical science anatomical model technical field, concretely relates to vascular anastomosis trainer.
Background
Vascular anastomosis is one of the basic techniques of surgery and is also the core step of vascular surgery. Most vascular surgical procedures require vascular anastomosis, and the technique requires long-term practice and a long learning curve.
Peripheral artery artificial vascular bypass surgery is a special operation in vascular surgery and is used for treating peripheral arterial occlusion or peripheral vascular aneurysm. The core step of the operation is to anastomose the artery of the human body to an artificial blood vessel, usually with one end of the artificial blood vessel anastomosed to the side wall of the artery.
The traditional peripheral artery artificial blood vessel bypass surgery generally uses experimental animals for anastomosis practice, and the training method is strong in sense of reality and good in training effect, but the experimental animals are high in cost and not sanitary enough.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a vascular anastomosis trainer to peripheral artery artificial blood vessel bridging operation is anastomosed the exercise with experimental animal among the solution prior art, and training cost is high and unhygienic problem
The technical scheme of the utility model is that:
a vascular anastomosis training device, comprising: the blood vessel simulator comprises an installation layer, a simulated blood vessel and a fixing piece, wherein a first groove for training is formed in the upper surface of the installation layer; on the installation layer was located through the mounting to the simulation blood vessel, and passed first recess, the simulation blood vessel included: a first blood vessel for simulating an artery and a second blood vessel for simulating a vascular prosthesis.
Preferably, the second blood vessel comprises a tubular body and micropores arranged on the tubular body, the diameter of each micropore is 0.2-0.4 microns, and the thickness of the tube wall of the tubular body is 0.8-1.2 millimeters.
Preferably, the vascular anastomosis training device further comprises an elastic layer, and the tubular body is sleeved outside the elastic layer and bonded with the elastic layer.
Preferably, the vascular anastomosis training device further comprises a support member disposed on the tubular body and arranged in a direction perpendicular to the length direction of the tubular body.
Preferably, the support is provided in the wall of the tubular body.
Preferably, a plurality of support members are provided on the outside of the tubular body.
Preferably, the mounting layer comprises a first layer and a second layer, the first layer is arranged above the second layer, and the first layer is made of simulated elastic materials.
Preferably, the fixation member passes through the first layer, the simulated blood vessel, and the second layer in this order.
Preferably, the fixing piece is connected with annular holes arranged at two ends of the second blood vessel, a second groove is formed in the groove wall of the first groove, and the end part of the simulated blood vessel is arranged in the second groove.
Preferably, the second groove is provided on the first layer or the second layer.
The utility model discloses technical scheme has following advantage:
1. the utility model discloses vascular anastomosis training device, include: the blood vessel simulator comprises an installation layer, a simulated blood vessel and a fixing piece, wherein a first groove for training is formed in the upper surface of the installation layer; the simulated blood vessel is arranged on the mounting layer through the fixing piece and penetrates through the first groove, the simulated blood vessel comprises a first blood vessel and a second blood vessel, the first blood vessel is used for simulating an artery, and the second blood vessel is used for simulating an artificial blood vessel.
Through setting up first recess, make the hand have abundant activity space when training, the training of being convenient for, and the simulation blood vessel passes first recess, makes the utility model discloses a blood vessel anastomosis technique trainer is close the clinical condition of blood vessel anastomosis technique, and training effect is good, for the traditional method of adopting training animal training, the utility model provides an installation layer, simulation blood vessel and mounting cost are lower, and can use, clean health not for the limit. When the installation layer, or the simulated blood vessel, or the fixing piece is damaged, the installation layer can be replaced.
2. The utility model discloses a vascular anastomosis trainer, including the tubulose body, and locate micropore on the tubulose body, the tubulose body adopts polytetrafluoroethylene material to make, the diameter of micropore is 0.2-0.4 micron, the tube wall thickness of tubulose body is 0.8-1.2 millimeters, owing to be equipped with the micropore on the tubulose body, under the circumstances that keeps its good bending resistance, antitorque performance, has promoted the flexibility of blood vessel body for the second blood vessel feels gentle and agreeable, more approaches to actual use's artificial blood vessel in the operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the vascular anastomosis training device of the present invention;
FIG. 2 is a schematic structural view of the backside of the first layer shown in FIG. 1;
FIG. 3 is a schematic structural view of a cross-sectional view of the apparatus of FIG. 1;
FIG. 4 is a schematic structural view of a first embodiment of the second blood vessel shown in FIG. 1;
FIG. 5 is a schematic structural view of a second embodiment of the second blood vessel shown in FIG. 1;
fig. 6 is a schematic structural view of a third embodiment of the second blood vessel shown in fig. 1.
Description of reference numerals:
1-a first groove; 2-mimic blood vessels; 3-a first layer; 4-a second layer; 5-a fixing piece; 6-first blood vessel; 7-the second blood vessel; 8-a second groove; 9-a base; 10-a tubular body; 11-an elastic layer; 12-a support.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
The vascular anastomosis training device provided in this embodiment, as shown in fig. 1 to 3, is suitable for training a peripheral arterial artificial blood vessel bypass operation, and includes: the blood vessel simulator comprises an installation layer, a simulated blood vessel 2 and a fixing piece 5, wherein a first groove 1 for training is formed in the upper surface of the installation layer; the simulated blood vessel 2 is arranged on the installation layer through the fixing piece 5 and penetrates through the first groove 1, the simulated blood vessel 2 comprises a first blood vessel 6 and a second blood vessel 7, the first blood vessel 6 is used for simulating an artery and is made of soft silica gel, and the second blood vessel 7 is used for simulating an artificial blood vessel.
Through setting up first recess 1, make the hand have abundant activity space when training, the training of being convenient for, and simulation blood vessel 2 passes first recess 1 for the blood vessel anastomosis clinical situation is close to the blood vessel anastomosis training device of this embodiment, and training effect is good, and for traditional adoption training animal training's method, installation layer, simulation blood vessel 2 and the 5 costs of mounting in this embodiment are lower, and can use, clean health not for the limit. When the installation layer, or the simulated blood vessel 2, or the fixing piece 5 is damaged, the installation layer can be replaced.
As shown in fig. 4-6, the second blood vessel 7 includes a tubular body 10 and micropores disposed on the tubular body 10, wherein the diameter of the micropores is 0.2-0.4 μm, and the wall thickness of the tubular body is 0.8-1.2 mm. Because the tubular body 10 is provided with the micropores, the flexibility of the blood vessel body is improved under the condition of keeping excellent fracture resistance and distortion resistance, so that the second blood vessel 7 of the embodiment has soft hand feeling and is closer to the artificial blood vessel actually used in the operation.
The method for manufacturing the tubular body 10 of the present embodiment is disclosed by the microporous polytetrafluoroethylene tubular body disclosed in patent document CN103480279B and the method for manufacturing and using the same, and the specific manufacturing steps are as follows:
1, sieving, namely, using polytetrafluoroethylene dispersion resin powder as a raw material, sieving the polytetrafluoroethylene dispersion resin powder, wherein the particle size of the sieved raw material is 30-60 microns;
2 mixing materials, namely adding a liquid lubricant into the sieved raw materials, wherein the used liquid lubricant is liquid paraffin or petroleum ether or kerosene, and the kerosene can be aviation kerosene. The liquid lubricant accounts for 15-25% of the weight of the raw materials, and then the raw materials are stirred to be fully mixed to form a mixture; adding the mixture into a closed container, heating to 50-70 deg.C, and maintaining the temperature for 2.5-3.5 hr to soften the mixture into paste;
3, blank making, namely putting the materials into a blank press to be pressed into a cylindrical blank at the temperature of 20-30 ℃;
4, extruding and forming, namely putting the blank into an extruder, and extruding the blank into a polytetrafluoroethylene tubular body under the conditions that the temperature is 40-60 ℃ and the compression ratio is 1: 700;
5, stretching and pore-forming, namely axially stretching the tubular body in an oven at the temperature of 350-380 ℃ to expand the wall of the tubular body to generate micropores of 0.2-0.4 micron;
and 6, performing hydrophilic treatment on the stretched tubular body by using a conventional hydrophilic treatment, and performing hydrophilic treatment on the tubular body with the vegetable water property to ensure that micropores in the tube wall have a water-permeable and air-permeable tubular body material to obtain a finished product.
As shown in fig. 4, as another embodiment, the second blood vessel 7 further includes an elastic layer 11, and the tubular body 10 is sleeved outside the elastic layer 11 and bonded to the elastic layer 11.
As another embodiment, as shown in fig. 5, the second blood vessel 7 further comprises a support member 12 disposed on the tubular body 10 and arranged in a direction perpendicular to the length direction of the tubular body 10, wherein the support member 12 is disposed in the wall of the tubular body 10.
As another embodiment, a plurality of supporting members 12 are provided outside the tubular body 10, as shown in fig. 6.
Wherein, support piece 12 adopts silica gel to make, and a plurality of support piece 12 set up along the length direction equipartition of tubulose body 10.
The mounting layer comprises a first layer 3 and a second layer 4, the first layer 3 is arranged above the second layer 4, the first layer 3 is made of simulation elastic materials, and the simulation elastic materials in the embodiment are silica gel and are integrally formed.
Through setting up the installation layer to two-layerly, on the one hand, because first layer 3 contacts with the staff when the training, adopts emulation elastic material for the vascular anastomosis clinical situation of the vascular anastomosis is more close to the vascular anastomosis training device of this embodiment, and on the other hand, second floor 4 adopts plastic material to make, and plastic material in this embodiment can be sponge, timber, rubber, foam etc. so that when the training, second floor 4 takes place to warp when dragging simulation blood vessel 2, and then influences the training effect. But also can play the role of supporting the fixing needle, and is made of a material with lower price relative to the simulated elastic material, so that the vascular anastomosis training device of the embodiment not only has good performance, but also has lower production cost.
As an alternative embodiment, the mounting layer may be of unitary construction.
The fixing member 5 sequentially passes through the first layer 3, the simulated blood vessel 2 and the second layer 4, the fixing member 5 in this embodiment is a pin, and it should be noted that the fixing member 5 may also be a screw or other article capable of penetrating through the installation layer and the simulated blood vessel 2.
As another embodiment, the fixing member 5 is connected with annular holes provided at both ends of the second blood vessel 7 to prevent the fixing member 5 from damaging the second blood vessel 7, thereby improving the life span of the second blood vessel 7.
An opening is formed in the first layer 3, a first groove 1 is formed by the opening and the second layer 4, and a second groove 8 is formed in the first layer 3.
As an alternative embodiment, the second grooves 8 are provided in the second layer 4.
As a second alternative embodiment, a third groove is included, arranged vertically opposite to the second groove 8, said second groove 8 being provided on the first layer 3 and the second groove 8 being provided on the second layer 4.
The vascular anastomosis training device of this embodiment still includes the box body, and the box body includes base 9 and lid, and base 9 is arranged in base 9 in the installation layer and is used for protecting and hold the installation layer, and its size and first layer 3 and second floor 4 phase-match, installation layer edge part and 9 border looks parallel and level of base to prevent that when training, 9 borders of base cause the interference to the training of coincide.
As an alternative embodiment, the casing may not be provided, and the first layer 3 and the second layer 4 may be fixed by the fixing member 5 or by other means, for example, a clip may be used to fix the first layer 3 and the second layer 4.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A vascular anastomosis training device, comprising:
the upper surface of the mounting layer is provided with a first groove (1) for training;
simulated blood vessel (2) and mounting (5), simulated blood vessel (2) pass through mounting (5) are located on the installation layer, and pass first recess (1), simulated blood vessel (2) includes:
a first blood vessel (6) for simulating an artery;
a second blood vessel (7) for simulating a vascular prosthesis.
2. The vascular anastomosis training device according to claim 1, wherein the second blood vessel (7) comprises a tubular body (10), and micropores provided in the tubular body (10), the micropores having a diameter of 0.2-0.4 μm and a wall thickness of 0.8-1.2 mm.
3. The vascular anastomosis training device according to claim 2, further comprising an elastic layer (11), wherein the tubular body (10) is sleeved outside the elastic layer (11) and bonded to the elastic layer (11).
4. The vascular anastomosis training device according to claim 3, further comprising a support member (12) provided on the tubular body (10) and arranged in a direction perpendicular to the length of the tubular body (10).
5. The vascular anastomosis training device according to claim 4, wherein the support member (12) is provided in a wall of the tubular body (10).
6. The vascular anastomosis training device according to claim 5, wherein a plurality of said support members (12) are provided on the outside of said tubular body (10).
7. The vascular anastomosis training device according to any of claims 1-6, wherein the mounting layer comprises a first layer (3) and a second layer (4), the first layer (3) being provided over the second layer (4), the first layer (3) being made of a simulated elastic material.
8. The vascular anastomosis training device according to claim 7, wherein the fixing member (5) passes through the first layer (3), the simulated blood vessel (2) and the second layer (4) in sequence.
9. The vascular anastomosis training device according to claim 8, wherein the fixing member (5) is connected to annular holes provided at both ends of the second blood vessel (7).
10. The vascular anastomosis training device according to claim 7, wherein a second groove (8) is provided on the wall of the first groove (1), and the end of the simulated vessel (2) is provided in the second groove (8);
the second groove (8) is provided on the first layer (3) or the second layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022288369.0U CN212966748U (en) | 2020-10-14 | 2020-10-14 | Vascular anastomosis training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022288369.0U CN212966748U (en) | 2020-10-14 | 2020-10-14 | Vascular anastomosis training device |
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| Publication Number | Publication Date |
|---|---|
| CN212966748U true CN212966748U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022288369.0U Active CN212966748U (en) | 2020-10-14 | 2020-10-14 | Vascular anastomosis training device |
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| CN (1) | CN212966748U (en) |
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