CN211827833U - Heart valve reshaping tool for teaching - Google Patents
Heart valve reshaping tool for teaching Download PDFInfo
- Publication number
- CN211827833U CN211827833U CN202020610079.0U CN202020610079U CN211827833U CN 211827833 U CN211827833 U CN 211827833U CN 202020610079 U CN202020610079 U CN 202020610079U CN 211827833 U CN211827833 U CN 211827833U
- Authority
- CN
- China
- Prior art keywords
- heart valve
- shaping
- teaching
- block
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Prostheses (AREA)
Abstract
The utility model relates to the technical field of teaching auxiliary equipment, in particular to a teaching heart valve reshaping tool, which is used for shaping the appearance of a heart valve and comprises a first shaping piece and a second shaping piece, wherein the first shaping piece is movably connected with the second shaping piece, and the first shaping piece is used for limiting and supporting the heart valve; the outer circumference of the second shaped piece is attached to the inner surface of the heart valve and used for restraining the deformation of the heart valve. The utility model has the advantages that: the first shaping piece and the second shaping piece are used for carrying out matched die shaping on the shape of the heart valve, so that the shape structure of the heart valve is ensured to be higher in fitting degree with the second shaping piece, the second shaping piece is extracted after shaping, and the heart valve is not deformed.
Description
Technical Field
The utility model relates to a teaching auxiliary assembly technical field specifically is a teaching is with heart valve integer frock.
Background
The artificial heart valve is a heart implantation intervention medical appliance for treating heart valve diseases or defects, passes through stages of a mechanical valve, a biological tissue valve, an intervention valve and the like, and is a very important medical appliance in the field of cardiovascular treatment at present; the research and teaching on the heart valves are deepened by the medical progress, and the traditional teaching method is continuously improved, so that students can understand the teaching contents more easily and understand the biological structure of the heart valves more easily.
The heart valve product has special appearance structure; the upper end surface and the middle part are small, and the bottom part and the upper part are large; the appearance of the heart valve product is a mesh hollow structure; the thickness of the mesh is extremely thin, the material is soft, and the appearance of the product is easy to deform in the teaching process; there is a need for a shaping structure for the contours of a heart valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a teaching is with heart valve integer frock to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a teaching heart valve reshaping tool is used for shaping the appearance of a heart valve and comprises a first shaping piece and a second shaping piece, wherein the first shaping piece is movably connected with the second shaping piece, and the first shaping piece is used for limiting and supporting the heart valve; the outer circumference of the second shaped piece is attached to the inner surface of the heart valve and used for restraining the deformation of the heart valve.
As a further aspect of the present invention: the second shaping piece comprises an upper shaping block and a plurality of sliding blocks, and the sliding blocks are in wedge-shaped connection with the upper shaping block.
As a further aspect of the present invention: a compression sleeve is also included, the compression sleeve being slidably mounted on the second shaping member for shaping the heart valve.
As a further aspect of the present invention: the first shaping piece is provided with a cylindrical step and a positioning pin, the cylindrical step supports the heart valve in a limiting mode, and the positioning pin is matched with the positioning hole formed in the second shaping piece.
As a further aspect of the present invention: and a plurality of wedge-shaped clamping grooves are uniformly formed in the outer circumference of the second shaping piece and used for mounting the sliding block.
As a further aspect of the present invention: and the sliding block is provided with a petal-shaped wedge block, and the sliding block is in wedge-shaped connection with the second shaping piece through the petal-shaped wedge block.
As a further aspect of the present invention: the bottom of the pressing sleeve is provided with a lower petal block for limiting.
As a further aspect of the present invention: the lower petal blocks are the same as the sliding blocks in number.
As a further aspect of the present invention: and reinforcing ribs are arranged on the pressing sleeve.
As a further aspect of the present invention: and part or all of the first fixing piece, the second fixing piece and the pressing sleeve are formed by 3D printing.
Compared with the prior art, the beneficial effects of the utility model are that: the first shaping piece and the second shaping piece are used for carrying out matched die shaping on the shape of the heart valve, so that the shape structure of the heart valve is ensured to be higher in fitting degree with the second shaping piece, the second shaping piece is extracted after shaping, and the heart valve is not deformed.
Drawings
Fig. 1 is a schematic structural diagram of a teaching heart valve reshaping tool.
Fig. 2 is a partial structural schematic diagram of a heart valve reshaping tool for teaching.
Fig. 3 is a schematic structural diagram of a lower shaping block in the heart valve reshaping tool for teaching.
Fig. 4 is a front view of an upper shaping block in the heart valve reshaping tool for teaching.
Fig. 5 is a cross-sectional view of an upper shaping block in the heart valve reshaping tool for teaching.
Fig. 6 is a schematic structural diagram of an upper shaping block in the heart valve reshaping tool for teaching.
Fig. 7 is a front view of a slide block in the teaching heart valve reshaping tool.
Fig. 8 is a left side view of a slide block in the teaching heart valve reshaping tool.
Fig. 9 is a front view of a middle pressing sleeve of a teaching heart valve reshaping tool.
Fig. 10 is a cross-sectional view of a middle pressure sleeve of a teaching heart valve reshaping tool.
Fig. 11, 12, 13, 14 are schematic views of an example heart valve shaping process.
In the drawings: 1-lower shaping block, 2-upper shaping block, 201-wedge-shaped clamping groove, 202-positioning hole, 3-sliding block, 301-circular clamping point, 302-petal-shaped wedge block, 4-pressing sleeve, 401-cylindrical inner cavity, 402-lower petal block, 403-vertical reinforcing rib, 404-middle reinforcing rib and 5-heart valve.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Referring to fig. 1-6, in an embodiment of the present invention, a teaching heart valve reshaping tool for shaping a heart valve comprises a first shaping member and a second shaping member, wherein the first shaping member is movably connected to the second shaping member, and the first shaping member is used for spacing and supporting the heart valve; the outer circumference of the second shaped piece is attached to the inner surface of the heart valve and used for restraining the deformation of the heart valve.
Specifically, the first shaping piece is a lower shaping piece 1, a heart valve is placed on the lower shaping piece 1, and then all parts of the second shaping piece extend into the heart valve 5 from the top or the side of the heart valve and are connected with the lower shaping piece 1 to shape the shape of the heart valve 5. By adopting the up-and-down parting structure, after the shape of the heart valve 5 is shaped, the second shaped piece is extracted, and the heart valve 5 is not deformed.
Referring to fig. 1 and 2, in the embodiment of the present invention, the second shaping member includes an upper shaping block 2 and a plurality of sliders 3, and the plurality of sliders 3 are in wedge connection with the upper shaping block 2.
Specifically, after the upper shaped block 2 is extended from the top of the heart valve 5 and is buckled with the lower shaped block 1, the three sliders 3 are installed on the upper shaped block 2 from the side of the heart valve 5. The second shaped piece formed by the wedge connection of the upper shaped block 2 and the sliding block 3 has high fit with the physiological structure of the heart valve 5, and the heart valve supported by the upper shaped block 2 is not deformed after the sliding block is drawn out of the upper shaped block 2.
Optionally, when the number of the sliding blocks 3 is 2 or more, the sliding blocks 3 are installed on the upper shaping block 2 from the side of the heart valve 5 to support the heart valve.
Referring to fig. 1, 9 and 10, in an embodiment of the present invention, the heart valve further includes a pressing sleeve 4, and the pressing sleeve 4 is slidably mounted on the second shaping member for shaping the heart valve.
Specifically, as shown in fig. 11-14, in the process of shaping a heart valve, the heart valve is placed on the lower shaping block 1, the upper shaping block 2 extends into the heart valve 5 from the top thereof and is buckled with the lower shaping block 1, and then the three sliders 3 are installed on the upper shaping block 2 from the side of the heart valve 5, at this time, the lower shaping block 1 is tightly attached to the bottom of the heart valve 5, and the upper shaping block 2 and the sliders 3 are tightly attached to the net-shaped structure of the heart valve 5; and finally, sleeving the pressing sleeve 4 on the upper shaping block 2, pressing the pressing sleeve 4 downwards, and extruding and shaping the heart valve 5 by the pressing sleeve 4. The cylindrical inner cavity 401 of the pressing sleeve 4 is in sliding connection with the cylinder on the upper part of the upper shaped block 2, and the upper end face of the pressing sleeve 4 is higher than the upper end face of the upper shaped block 2, so that the pressing sleeve 4 can conveniently press the heart valve 5 downwards.
Referring to fig. 1 and 3, in a preferred embodiment of the present invention, the first shape-defining member is provided with a cylindrical step for spacing and supporting the heart valve and a positioning pin for engaging with the positioning hole 202 of the second shape-defining member.
The positioning pin is arranged at the center of the lower shaped block 1, the positioning pin is matched with a positioning hole 202 and a pin hole which are formed in the upper shaped block 2, the lower shaped block 1 is concentric with the upper shaped block 2, and the shaping precision of the heart valve 5 is improved.
Optionally, a conical guide shaft with a small upper part and a large lower part is arranged at the center of the lower shaping block 1, and is matched with the positioning hole 202 arranged on the upper shaping block 2, and the conical guide shaft not only guides the installation of the upper shaping block 2, but also limits the displacement of the upper shaping block 2.
Referring to fig. 4-8, in the embodiment of the present invention, a plurality of wedge-shaped slots 201 are uniformly formed on an outer circumference of the second shape-fixing member, and the wedge-shaped slots 201 are used for installing the sliding block 3; and a petal-shaped wedge block 302 is arranged on the sliding block 3, and the sliding block 3 is in wedge-shaped connection with the second shaping piece through the petal-shaped wedge block 302.
Specifically, the number of the wedge-shaped slots 201 is three, and the wedge-shaped slots 201 are matched with the petal-shaped wedges 302; the three sliding blocks 3 are in wedge-shaped connection with the upper shaping block 2 and are used for fixing the shape of the middle part of the heart valve when the heart valve is shaped. The number of the wedge-shaped clamping grooves 201, the number of the sliding blocks 3 and the number of the petal-shaped wedges 302 are the same.
Preferably, a circular counter bore is further arranged inside the wedge-shaped clamping groove 201 and matched with the circular clamping point 301 arranged on the sliding block, so that the displacement of the sliding block 3 during downward pressing and shaping is further limited, the shaped heart valve 5 is tightly attached to the sliding block 3 and the upper shaping block 2, and the shaping precision of the heart valve 5 is improved.
Referring to fig. 9, in the embodiment of the present invention, a lower petal block 402 for limiting is disposed at the bottom of the pressing sleeve 4. The number of the lower petal blocks 402 is the same as that of the sliding blocks 3.
Specifically, when the pressing sleeve 4 is pressed down, the lower petal block 402 is in close contact with the side surface of the petal-shaped wedge block 302, and the bottom of the petal-shaped wedge block 302 is in contact with the lower shaped block 1. The pressing sleeve 4 is matched with the sliding block 3, and the outer circumferential curved surface formed by the pressing sleeve 4 and the sliding block 3 is in contour with the heart valve 5.
Referring to fig. 9, in the embodiment of the present invention, the pressing sleeve 4 is provided with a reinforcing rib.
Specifically, three reinforcing ribs are uniformly arranged in the vertical direction and the radial direction of the outer surface of the pressing sleeve, one reinforcing rib is arranged in the radial direction and serves as the vertical reinforcing rib 403 and the middle reinforcing rib 404, and the appropriate vertical reinforcing rib 403 and the middle reinforcing rib 404 can be added at a set position according to the strength requirement. The vertical reinforcing ribs 403 and the middle reinforcing ribs 404 improve the strength of the pressing sleeve 4, and ensure that the pressing sleeve 4 does not distort and deform in the process of pressing the heart valve 5 to perform qualitative measurement.
Referring to fig. 1, in the embodiment of the present invention, the first fixing member, the second fixing member and the pressing sleeve are partially or completely formed by 3D printing.
Specifically, the 3D printing material may be photosensitive resin, thermoplastic plastic, or hydrogel, preferably photosensitive resin, and is subjected to photocuring to form a first shaped part, a second shaped part, and a pressing sleeve 4; the photocuring forming technology has the advantages of high curing speed, excellent curing performance, less pollution, energy conservation and the like, and is beneficial to environmental protection.
The utility model discloses a theory of operation is: placing a heart valve on the lower shaped block 1, extending the upper shaped block 2 from the top of the heart valve 5, buckling the upper shaped block with the lower shaped block 1, and then installing the three sliders 3 on the upper shaped block 2 from the side of the heart valve 5, wherein at the moment, the lower shaped block 1 is attached to the bottom of the heart valve 5, and the upper shaped block 2 and the sliders 3 are attached to the net-shaped structure of the heart valve 5; finally, the pressing sleeve 4 is sleeved on the upper shaping block 2, the pressing sleeve 4 is pressed downwards, the pressing sleeve 4 is matched with the sliding block 3, and the outer circumferential curved surface formed by the pressing sleeve 4 and the sliding block 3 is in profile modeling with the heart valve 5; the pressing sleeve 4 is used for extruding and shaping the heart valve 5.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A heart valve reshaping tool for teaching is used for shaping the appearance of a heart valve and is characterized by comprising a first shaping piece and a second shaping piece, wherein the first shaping piece is movably connected with the second shaping piece and is used for limiting and supporting the heart valve; the outer circumference of the second shaped piece is attached to the inner surface of the heart valve and used for restraining the deformation of the heart valve.
2. The heart valve reshaping tool for teaching of claim 1, wherein the second reshaping component comprises an upper reshaping block and a plurality of sliding blocks, and the sliding blocks are in wedge connection with the upper reshaping block.
3. The apparatus of claim 2, further comprising a compression sleeve slidably mounted on the second shaping member for shaping the heart valve.
4. The teaching heart valve reshaping tool as set forth in claim 1, wherein the first shaping member is provided with a cylindrical step for position-limiting supporting of a heart valve and a positioning pin for fitting with a positioning hole provided in the second shaping member.
5. The heart valve reshaping tool for teaching of claim 2, wherein a plurality of wedge-shaped clamping grooves are uniformly formed in the outer circumference of the second reshaping piece, and the wedge-shaped clamping grooves are used for mounting the sliding block.
6. The heart valve reshaping tool for teaching of claim 5, wherein a petal-shaped wedge is arranged on the sliding block, and the sliding block is in wedge connection with the second shaping piece through the petal-shaped wedge.
7. The heart valve reshaping tool for teaching of claim 3, wherein the bottom of the pressing sleeve is provided with a lower petal block for limiting.
8. The teaching heart valve reshaping tool as set forth in claim 7, wherein the lower petal blocks are the same in number as the sliders.
9. The heart valve reshaping tool for teaching of claim 3, wherein the pressing sleeve is provided with a reinforcing rib.
10. The teaching heart valve reshaping tool as set forth in claim 3, wherein the first and second fixing members and the pressing sleeve are partially or completely formed by 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610079.0U CN211827833U (en) | 2020-04-22 | 2020-04-22 | Heart valve reshaping tool for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020610079.0U CN211827833U (en) | 2020-04-22 | 2020-04-22 | Heart valve reshaping tool for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211827833U true CN211827833U (en) | 2020-10-30 |
Family
ID=73143229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020610079.0U Active CN211827833U (en) | 2020-04-22 | 2020-04-22 | Heart valve reshaping tool for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211827833U (en) |
-
2020
- 2020-04-22 CN CN202020610079.0U patent/CN211827833U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201760499U (en) | Backward deep drawing die with outer edge subject to back pressure of forward pressure belt | |
| CN107756722A (en) | Phone housing and preparation method thereof | |
| CN109454146B (en) | Vertical water expansion die | |
| CN103752690A (en) | Clutch cap forming process and forming equipment thereof | |
| CN105665577A (en) | Forming method and process unit for cool air guide pipe of complex structure | |
| CN110788193B (en) | Controllable medium cold stamping forming process method and die structure thereof | |
| CN211827833U (en) | Heart valve reshaping tool for teaching | |
| CN103212634A (en) | Multi-step forming mould for rubber-forming bent side and forming surface design method of mould | |
| CN203184438U (en) | Rubber molding convex flange multistep forming die | |
| CN205519257U (en) | Vapour car tray forming die | |
| CN216263151U (en) | Automobile stamping die convenient to drawing of patterns | |
| CN212264268U (en) | Stamping die for cylindrical drawing part | |
| CN206882516U (en) | A kind of multi-drawing mould | |
| CN2472907Y (en) | Demold plastic ball valve mold with core | |
| CN111112430A (en) | Composite compensation springback forming method for revolving body parts | |
| CN208178267U (en) | Combination tower type, the thin-walled annular metal rubber piece stamping die with interior deep floor | |
| CN110712240A (en) | Shoe industry processing equipment convenient to change and tailor mould | |
| CN207205054U (en) | It is a kind of to see the board-like removable stamping die storage rack that increase | |
| US1454506A (en) | Process and apparatus for forming cup piston rings | |
| CN110976606A (en) | Special-shaped part stretching process and stretching equipment | |
| CN221312166U (en) | Aluminum plate mold processing | |
| CN221488971U (en) | Tea cake forming device | |
| CN209832352U (en) | Silica gel product with anti-tearing function | |
| CN219211262U (en) | Cup water expansion die | |
| CN216027543U (en) | Integrative cold stamping forming mould of straight tube multichannel knee that generates heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 528000, 3rd, 4th, and 5th floors of Building 3, No. 2 Longhui Road, Malong Village, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: FOSHAN MILI 3D TECHNOLOGY CO.,LTD. Address before: No. 9-4 Fangxing Road, Chayong Industrial Zone, Beijiao Town, Shunde District, Foshan City, Guangdong Province, 528311 Patentee before: FOSHAN MILI 3D TECHNOLOGY CO.,LTD. |
|
| CP02 | Change in the address of a patent holder |