CN215577275U - Bifurcated blood vessel model - Google Patents
Bifurcated blood vessel model Download PDFInfo
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- CN215577275U CN215577275U CN202121678169.4U CN202121678169U CN215577275U CN 215577275 U CN215577275 U CN 215577275U CN 202121678169 U CN202121678169 U CN 202121678169U CN 215577275 U CN215577275 U CN 215577275U
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- branch pipe
- bifurcated
- vessel model
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- 210000004204 blood vessel Anatomy 0.000 title abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 21
- 239000008187 granular material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003086 colorant Substances 0.000 abstract description 5
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000741 silica gel Substances 0.000 abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 description 7
- 230000002792 vascular Effects 0.000 description 7
- 201000001320 Atherosclerosis Diseases 0.000 description 4
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 230000017531 blood circulation Effects 0.000 description 3
- 239000002872 contrast media Substances 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 208000031226 Hyperlipidaemia Diseases 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007505 plaque formation Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007619 statistical method Methods 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 231100000216 vascular lesion Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of medical models, in particular to a bifurcated blood vessel model which comprises a first branch pipe, a second branch pipe, a plurality of connecting sleeves, a bifurcated ring, a plurality of connecting ends, a plurality of clamping grooves, a plurality of clamping columns and a plurality of particles. In the use process, the bifurcated blood vessel model is made of silica gel, and the first branch pipe and the second branch pipe are spliced to form three straight pipes with one ends communicated with each other. The color of the branching ring is different from that of the three straight pipes, and the branching rings with different colors are compared before and after a narrow section in a bracket experiment to illustrate the operation effect.
Description
Technical Field
The utility model relates to the technical field of medical models, in particular to a bifurcated blood vessel model.
Background
Chinese patent publication No. CN206331711U discloses a bifurcated blood vessel model, which includes a main tube and bifurcated branch tubes connected below the main tube; the branch pipe is formed by two pieces of fine build-up welding, a tight bent pipe is arranged at the intersection of the two thin pipes, and a convex part is arranged on one side of the tight bent pipe, which faces the inner diameter of the thin pipe; the tubule includes metal semicircle pipe and toughened glass semicircle pipe, has seted up the slot on the metal semicircle pipe, and the slot in-connection has the toughened glass semicircle pipe. The utility model can effectively carry out research simulation on the bifurcated blood vessel.
However, present bifurcated tube model is the integral type fixity, and is not good to the feedback intuitiveness of blood flow simulation, and the result difference of simulation is great, and this patent is through adopting the fine above-mentioned problem of having solved of a bifurcated tube model.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a bifurcated blood vessel model, which is used for solving the problems that the existing bifurcated blood vessel models are all integrated and fixed, the feedback intuitiveness on blood flow simulation is poor, the simulation result difference is large and the like.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a bifurcated blood vessel model, includes first branch pipe, second branch pipe, a plurality of connecting sleeve, bifurcated ring, a plurality of link, a plurality of joint groove, a plurality of joint post and a plurality of granule, first branch pipe and second branch pipe symmetry joint, connecting sleeve and first branch pipe and second branch pipe threaded connection, the middle part of first branch pipe and second branch pipe is arranged in to bifurcated ring.
Further, the inner walls of the first branch pipe and the second branch pipe are provided with particles which are uniformly distributed at intervals.
Further, all be equipped with a plurality of interval distribution's joint groove and joint post on first branch pipe and the second branch pipe, it is a plurality of the joint post is fixed with a plurality of joint groove joints respectively.
Further, the connecting sleeve comprises a threaded inner wall, the threaded inner wall is arranged on the inner wall of the connecting sleeve, threads are arranged on the outer wall of the connecting end, and the threaded inner wall is in threaded fastening connection with the connecting end.
Furthermore, the first branch pipe and the second branch pipe are spliced to form three straight pipes with one ends communicated with each other.
Furthermore, a branching ring is arranged at the cross connection position of one ends of the three straight pipes.
Compared with the prior art, the utility model has the following beneficial effects:
this branching blood vessel model is the silica gel material, including first branch pipe, the second branch pipe, a plurality of connecting sleeve, the branching ring, a plurality of link, a plurality of joint groove, a plurality of joint post and a plurality of granule, first branch pipe and second branch pipe symmetry joint are accomplished through first branch pipe and second branch pipe concatenation, are convenient for observe the condition of inside reality, and connecting sleeve can carry out further fixed to first branch pipe and second branch pipe to other pipelines outside can connecting through connecting sleeve. The first branch pipe and the second branch pipe are spliced to form three straight pipes with one ends communicated with each other. The branching ring is arranged in the middle of the first branch pipe and the second branch pipe. A branching ring is arranged at the cross connection position of one ends of the three straight pipes. The color of the branching ring is different from that of the three straight pipes, and the branching rings with different colors are compared before and after the narrow section in the bracket experiment to show the operation effect. The inner walls of the first branch pipe and the second branch pipe are provided with particles which are uniformly distributed at intervals. Particles are arranged in the pipe walls of the three straight pipes along the axial direction, and the particles are specifically doped contrast agent particles. When the CT or microscope shoots the vascular deformation, the displacement condition of each particle can be obtained by an image processing method, the vascular deformation process is reduced, and detailed geometric parameters are provided. One of the three straight pipes is a main branch pipe, the other two of the three straight pipes are branch pipes, the diameters of the two branch pipes can be different, the diameter of the main branch pipe is the sum of the diameters of the two branch pipes multiplied by 0.67, the formula is obtained after statistical analysis is carried out on clinical data, and the formula accords with the formula of most diseased blood vessels, and the regularity is achieved.
The utility model better solves the problems that the existing bifurcated pipe models are all integrated and fixed, the feedback intuition of the blood flow simulation is not good, the simulation result difference is large, and the like. The utility model has simple structure, convenient operation, stability, reliability and long service life.
Drawings
FIG. 1 is a schematic structural view (view I) of a bifurcated vascular model of the present invention;
FIG. 2 is a schematic structural view of a bifurcated vessel model according to the present invention (view II);
FIG. 3 is a partial enlarged view of portion A of FIG. 2;
reference numerals in the drawings of the specification include:
a first branch pipe 1; a second branch pipe 2; a connecting sleeve 3; a bifurcated ring 4; a connecting end 5; a threaded inner wall 6; a clamping groove 7; a clamping column 8; and (4) particles 9.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
The first embodiment is as follows:
the incidence of coronary bifurcation lesion is high, which accounts for about 20 percent of all coronary intervention cases, and the treatment difficulty is high. The high risk factors for atherosclerosis, including hyperlipidemia, diabetes, etc., do not explain why the bends of the bifurcation are more vulnerable to plaque formation, a phenomenon known as "locality of atherosclerosis". Therefore, it is necessary to research a model capable of simulating a bifurcated vessel, and to study the fluid dynamics of blood by the flow of blood in the model, thereby determining the mechanism of vascular lesions and establishing a basis for treatment and prevention.
As shown in fig. 1-3, the present invention provides a bifurcated blood vessel model, which is made of silica gel, and comprises a first branch tube 1, a second branch tube 2, a plurality of connecting sleeves 3, a bifurcated ring 4, a plurality of connecting ends 5, a plurality of clamping grooves 7, a plurality of clamping columns 8 and a plurality of particles 9, wherein the first branch tube 1 and the second branch tube 2 are symmetrically clamped, and the actual conditions inside are conveniently observed by splicing the first branch tube 1 and the second branch tube 2, and the connecting sleeves 3 can further fix the first branch tube 1 and the second branch tube 2, and can be connected with other external pipelines through the connecting sleeves 3. The first branch pipe 1 and the second branch pipe 2 are spliced to form three straight pipes with one ends communicated with each other.
Connecting sleeve 3 and 2 threaded connection of first branch pipe 1 and second branch pipe, connecting sleeve 3 include threaded inner wall 6, and connecting sleeve 3's inner wall is arranged in to threaded inner wall 6, and 5 outer walls of link are equipped with the screw thread, and threaded inner wall 6 and 5 threaded fastening of link are connected.
The bifurcating ring 4 is placed in the middle of the first branch pipe 1 and the second branch pipe 2. A branching ring 4 is arranged at the cross connection position of one ends of the three straight pipes. The color of the bifurcation ring 4 is different from that of the three straight pipes, and the bifurcation ring 4 with different colors is used for comparing the front and the back of the narrow section in the stent experiment to explain the operation effect.
The inner walls of the first branch pipe 1 and the second branch pipe 2 are provided with particles 9 which are uniformly distributed at intervals. The inner walls of the three straight pipes are provided with particles 9 along the axial direction, and the particles are specifically doped contrast agent particles. When the CT or microscope shoots the vascular deformation, the displacement condition of each particle 9 can be obtained by an image processing method, the vascular deformation process is reduced, and detailed geometric parameters are provided.
Example two:
the incidence of coronary bifurcation lesion is high, which accounts for about 20 percent of all coronary intervention cases, and the treatment difficulty is high. The high risk factors for atherosclerosis, including hyperlipidemia, diabetes, etc., do not explain why the bends of the bifurcation are more vulnerable to plaque formation, a phenomenon known as "locality of atherosclerosis". Therefore, it is necessary to research a model capable of simulating a bifurcated vessel, and to study the fluid dynamics of blood by the flow of blood in the model, thereby determining the mechanism of vascular lesions and establishing a basis for treatment and prevention.
As shown in fig. 1-3, the present invention provides a bifurcated blood vessel model, which is made of silica gel, and comprises a first branch tube 1, a second branch tube 2, a plurality of connecting sleeves 3, a bifurcated ring 4, a plurality of connecting ends 5, a plurality of clamping grooves 7, a plurality of clamping columns 8 and a plurality of particles 9, wherein the first branch tube 1 and the second branch tube 2 are symmetrically clamped, and the actual conditions inside are conveniently observed by splicing the first branch tube 1 and the second branch tube 2, and the connecting sleeves 3 can further fix the first branch tube 1 and the second branch tube 2, and can be connected with other external pipelines through the connecting sleeves 3. The first branch pipe 1 and the second branch pipe 2 are spliced to form three straight pipes with one ends communicated with each other.
Connecting sleeve 3 and 2 threaded connection of first branch pipe 1 and second branch pipe, connecting sleeve 3 include threaded inner wall 6, and connecting sleeve 3's inner wall is arranged in to threaded inner wall 6, and 5 outer walls of link are equipped with the screw thread, and threaded inner wall 6 and 5 threaded fastening of link are connected.
The bifurcating ring 4 is placed in the middle of the first branch pipe 1 and the second branch pipe 2. A branching ring 4 is arranged at the cross connection position of one ends of the three straight pipes. The color of the bifurcation ring 4 is different from that of the three straight pipes, and the bifurcation ring 4 with different colors is used for comparing the front and the back of the narrow section in the stent experiment to explain the operation effect.
The inner walls of the first branch pipe 1 and the second branch pipe 2 are provided with particles 9 which are uniformly distributed at intervals. The inner walls of the three straight pipes are provided with particles 9 along the axial direction, and the particles are specifically doped contrast agent particles. When the CT or microscope shoots the vascular deformation, the displacement condition of each particle 9 can be obtained by an image processing method, the vascular deformation process is reduced, and detailed geometric parameters are provided.
All be equipped with a plurality of interval distribution's joint groove 7 and joint post 8 on first branch pipe 1 and the second branch pipe 2, a plurality of joint posts 8 are fixed with a plurality of joint grooves 7 joint respectively.
One of the three straight pipes is a main branch pipe, the other two branch pipes are branch pipes, the diameters of the two branch pipes can be different, the diameter of the main branch pipe is equal to the sum of the diameters of the two branch pipes multiplied by 0.67, the formula is obtained after statistical analysis is carried out on clinical data, and the formula accords with the formula of most diseased blood vessels, and the regularity is achieved.
Advantages of the second embodiment over the first embodiment:
the model fitting degree of the model is improved, the working stability of the model is improved, and the service life of the model is prolonged.
The use method of the model comprises the following steps:
first branch pipe 1 and 2 symmetry joints of second branch pipe are accomplished through first branch pipe 1 and 2 concatenations of second branch pipe, are convenient for observe the inside actual condition, and connecting sleeve 3 can carry out further fixed to first branch pipe 1 and second branch pipe 2 to other pipelines outside can connecting through connecting sleeve 3. The first branch pipe 1 and the second branch pipe 2 are spliced to form three straight pipes with one ends communicated with each other.
The bifurcating ring 4 is placed in the middle of the first branch pipe 1 and the second branch pipe 2. A branching ring 4 is arranged at the cross connection position of one ends of the three straight pipes. The color of the bifurcation ring 4 is different from that of the three straight pipes, and the bifurcation ring 4 with different colors is used for comparing the front and the back of the narrow section in the stent experiment to explain the operation effect.
In the description of the present invention, it is to be understood that the terms "front end", "rear end", "horizontal", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art, and it will be appreciated by those skilled in the art that the present invention has been made available to those skilled in the art after the filing date or priority date, and that the present invention may be implemented by those skilled in the art by applying ordinary skill in the art, without departing from the spirit and scope of the present invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A bifurcated vessel model, characterized in that: including first branch pipe (1), second branch pipe (2), a plurality of connecting sleeve (3), branching ring (4), a plurality of link (5), a plurality of joint groove (7), a plurality of joint post (8) and a plurality of granule (9), first branch pipe (1) and second branch pipe (2) symmetry joint, connecting sleeve (3) and first branch pipe (1) and second branch pipe (2) threaded connection, the middle part of first branch pipe (1) and second branch pipe (2) is arranged in to branching ring (4).
2. The bifurcated vessel model of claim 1, wherein: the inner walls of the first branch pipe (1) and the second branch pipe (2) are provided with particles (9) which are uniformly distributed at intervals.
3. The bifurcated vessel model of claim 2, wherein: all be equipped with a plurality of interval distribution's joint groove (7) and joint post (8) on first branch pipe (1) and second branch pipe (2), it is a plurality of joint post (8) are fixed with a plurality of joint groove (7) joint respectively.
4. A bifurcated vessel model according to claim 3, wherein: connecting sleeve (3) include screw thread inner wall (6), the inner wall of connecting sleeve (3) is arranged in to screw thread inner wall (6), link (5) outer wall is equipped with the screw thread, screw thread inner wall (6) and link (5) screw thread fastening connection.
5. The bifurcated vessel model of claim 4, wherein: the first branch pipe (1) and the second branch pipe (2) are spliced to form three straight pipes with one ends communicated with each other.
6. The bifurcated vessel model of claim 5, wherein: and a branching ring (4) is arranged at the cross connection position of one ends of the three straight pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678169.4U CN215577275U (en) | 2021-07-22 | 2021-07-22 | Bifurcated blood vessel model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678169.4U CN215577275U (en) | 2021-07-22 | 2021-07-22 | Bifurcated blood vessel model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215577275U true CN215577275U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121678169.4U Expired - Fee Related CN215577275U (en) | 2021-07-22 | 2021-07-22 | Bifurcated blood vessel model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215577275U (en) |
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2021
- 2021-07-22 CN CN202121678169.4U patent/CN215577275U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |