CN219332066U - Animal wound surface fixer for experimental model - Google Patents
Animal wound surface fixer for experimental model Download PDFInfo
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- CN219332066U CN219332066U CN202223043991.0U CN202223043991U CN219332066U CN 219332066 U CN219332066 U CN 219332066U CN 202223043991 U CN202223043991 U CN 202223043991U CN 219332066 U CN219332066 U CN 219332066U
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- fixing ring
- inner fixing
- animal wound
- animal
- guide block
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/70—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in livestock or poultry
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Abstract
The utility model discloses an animal wound surface fixer for an experimental model, which comprises: the inner fixing ring is provided with a plurality of inserted nails which are equidistantly arranged along the circumferential direction, the end parts of the inserted nails penetrate out of the bottom of the inner fixing ring, and the end parts of the inserted nails are bent to form obliquely arranged puncture parts; the puncture parts of the plug nails are uniformly arranged along the clockwise or anticlockwise direction of the inner fixing ring; the external fixing ring is fixed outside the animal wound surface, and is provided with a plurality of guide holes which are circumferentially and equidistantly arranged, and the guide holes are radially and penetratingly arranged; the guide hole is internally provided with a slidable guide block, and the outer fixing ring is provided with an elastic piece for driving the guide block to abut against the outer peripheral wall of the inner fixing ring. The puncture part of the plug pin can be inserted into the skin around the animal wound surface by rotating the inner fixing ring, so that the connection between the inner fixing ring and the animal skin can be realized quickly, and the operation is simple.
Description
Technical Field
The utility model relates to the technical field of medical experimental equipment, in particular to an animal wound surface fixer for an experimental model.
Background
In order to research the healing mechanism and the treatment method of the skin wound surface of a human body, in basic experiments of clinical medicine wound surgery, the construction of a skin wound surface model of an experimental animal is often involved so as to observe the healing condition of the skin wound, after the skin wound surface of the experimental animal is constructed, the skin wound surface needs to be subjected to subsequent treatment, sometimes an experimenter can directly disinfect the wound surface without any coverage or coating film coverage, and the treatment mode can cause the unequal healing speed of the wound surface due to the reasons of skin elasticity, shrinkage and the like, thereby seriously affecting the experimental reliability. Because the wound healing mechanism of people mainly takes the crawling action of epidermal cells, experimenters can fix the wound healing mechanism of the human wound around the wound of the back of the rat by using a silica gel ring at times, the wound healing mechanism of the human is simulated by preventing the contraction of a meat membrane, and the silica gel ring needs to be fixed around the wound edge of the skin by using a suture, so that the operation is complex and inconvenient.
Disclosure of Invention
In view of the above, the utility model provides an animal wound surface fixer for an experimental model, which can solve the problem that the operation is complex when a silicone ring is adopted to prevent the contraction of a meat membrane at present.
The technical scheme of the utility model is realized as follows:
an animal wound fixator for an experimental model comprising:
the inner fixing ring is provided with a plurality of inserted nails which are equidistantly arranged along the circumferential direction, the end parts of the inserted nails penetrate out of the bottom of the inner fixing ring, and the end parts of the inserted nails are bent to form obliquely arranged puncture parts; the puncture parts of the plug nails are uniformly arranged clockwise or anticlockwise along the inner fixing ring, and the puncture parts of the plug nails are inserted into the skin around the animal wound surface by rotating the inner fixing ring;
the external fixing ring is fixed outside the animal wound surface, and is provided with a plurality of guide holes which are circumferentially and equidistantly arranged, and the guide holes are radially and penetratingly arranged; the guide hole is internally provided with a slidable guide block, and the outer fixing ring is provided with an elastic piece for driving the guide block to abut against the outer peripheral wall of the inner fixing ring.
As a further alternative of the animal wound surface fixator for the experimental model, the inner fixing ring is made of silica gel, the plug pin comprises a pressing plate and a pin body fixed on the end face of the pressing plate, the pin body penetrates through the inner fixing ring, and the pressing plate is adhered to the upper surface of the inner fixing ring.
As a further alternative of the animal wound surface fixator for the experimental model, the elastic member is a spiral spring ring sleeved on the outer periphery of the outer fixing ring, and the spiral spring ring contracts radially to drive the guide block to move.
As a further alternative of the animal wound surface fixator for the experimental model, an arc-shaped abutting surface matched with the outline of the outer peripheral wall of the inner fixing ring is formed at the inner end of the guide block, and an arc-shaped limiting groove for the spiral spring ring to be clamped in is formed at the outer end of the guide block.
As a further alternative of the animal wound surface fixator for the experimental model, the guide block is provided with a first limiting step, the guide hole is internally provided with a second limiting step, and the second limiting step is blocked on a path of radial movement of the first limiting step.
As a further alternative of the animal wound surface fixator for the experimental model, the external fixing ring is provided with a binding band, and the external fixing ring is fixed outside the animal wound surface through the binding band.
As a further alternative of the animal wound surface fixator for the experimental model, the outer fixing ring is provided with a flip cover, and the flip cover is hinged with the outer fixing ring through a horizontal rotating shaft.
As a further alternative of the animal wound surface fixator for the experimental model, a transparent observation window is arranged on the flip cover.
Compared with the prior art, the utility model has the following beneficial effects: the puncture part of the plug pin can be inserted into the skin around the animal wound surface by rotating the inner fixing ring, so that the connection between the inner fixing ring and the animal skin can be realized quickly, and the operation is simple; the inner fixing ring is clamped and fixed by utilizing the guide blocks on the outer fixing ring, so that the inner fixing ring is prevented from rotating and loosening, and the inner fixing ring can be ensured to be stably connected with the skin; when the inner fixing ring is required to be removed, the inner fixing ring is rotated in the opposite direction, so that the puncture part of the plug pin can be pulled out from the animal skin, and the plug pin is simple, convenient and quick.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of an animal wound surface fixator for an experimental model;
FIG. 2 is an exploded view of an animal wound holder for use in the experimental model of the present utility model;
FIG. 3 is a bottom schematic view of the inner retaining ring;
FIG. 4 is an exploded view of the inner retaining ring and the plug pin;
FIG. 5 is a schematic view of the guide block;
fig. 6 is a schematic cross-sectional view of the guide block disposed within the guide bore.
In the figure: 1. an inner fixing ring; 2. inserting nails; 21. nailing the body; 22. a pressing plate; 23. a puncture part; 3. an outer fixing ring; 31. a guide hole; 311. a second limit step; 32. a strap; 4. a guide block; 41. an arc-shaped abutment surface; 42. an arc-shaped limit groove; 43. a first limit step; 5. a helical spring coil; 6. a flip cover; 61. and a transparent observation window.
Detailed Description
The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1 to 6, there is shown an animal wound surface fixator for experimental model, comprising an inner fixing ring 1 and an outer fixing ring 3, wherein a plurality of pins 2 are arranged on the inner fixing ring 1 at equal intervals along the circumferential direction, the ends of the pins 2 penetrate out from the bottom of the inner fixing ring 1, and the ends of the pins 2 are bent to form obliquely arranged piercing parts 23; the puncture parts 23 of the plurality of plug pins 2 are uniformly arranged along the clockwise or anticlockwise direction of the inner fixing ring 1; the outer fixing ring 3 is fixed outside the animal wound surface, a plurality of guide holes 31 are formed in the outer fixing ring 3 and are arranged at equal intervals along the circumferential direction, and the guide holes 31 penetrate through the animal wound surface along the radial direction; the guide hole 31 is internally provided with a guide block 4 which is arranged in a sliding way, and the outer fixing ring 3 is provided with an elastic piece which is used for driving the guide block 4 to be abutted against the outer peripheral wall of the inner fixing ring 1.
In other words, the puncture part 23 of the plug pin 2 is inserted into the skin around the animal wound surface by rotating the inner fixing ring 1, so that the connection between the inner fixing ring 1 and the animal skin can be quickly realized, and the operation is simple; the inner fixing ring 1 is clamped and fixed by utilizing a plurality of guide blocks 4 on the outer fixing ring 3, so that the inner fixing ring 1 is prevented from rotating and loosening, and the inner fixing ring 1 can be ensured to be stably connected with the skin; when the inner fixing ring 1 needs to be removed, the inner fixing ring 1 is rotated in the opposite direction, so that the puncture part 23 of the plug pin 2 can be pulled out from the animal skin, and the operation is simple, convenient and quick.
In particular, in order to facilitate the setting of the insert pin 2, referring to fig. 3 and 4, the inner fixing ring 1 is made of silica gel, the insert pin 2 includes a pressing plate 22 and a pin body 21 fixed on an end surface of the pressing plate 22, the pin body 21 penetrates through the inner fixing ring 1, and the pressing plate 22 is adhered to an upper surface of the inner fixing ring 1. In this way, the pressing plate 22 and the inner fixing ring 1 are fixed by adhesion, so that the shank 21 cannot rotate on the inner fixing ring 1, thereby fixing the piercing direction of the piercing section 23.
In some embodiments, in order to facilitate elastic driving of the plurality of guide blocks 4, referring to fig. 1 and 2, the elastic member is a spiral spring ring 5 sleeved on the outer periphery of the outer fixing ring 3, and the spiral spring ring 5 radially contracts to drive the guide blocks 4 to move. In this way, the actuation of all guide shoes 4 is achieved by one helical spring coil 5.
In the above-mentioned scheme, preferably, in order to prevent slipping between the spiral spring coil 5 and the guide block 4, an arc-shaped limiting groove 42 into which the spiral spring coil 5 is clamped is formed at the outer end of the guide block 4; in order to increase the contact area between the guide block 4 and the inner fixing ring 1, an arc-shaped abutting surface 41 which is matched with the outline of the outer peripheral wall of the inner fixing ring 1 is formed at the inner end of the guide block 4, so that the friction force between the guide block 4 and the inner fixing ring 1 is larger, and the inner fixing ring 1 is further prevented from rotating.
In the above-mentioned scheme, in order to avoid the excessive radial movement distance of the guide block 4, referring to fig. 5 and 6, a first limiting step 43 is disposed on the guide block 4, a second limiting step 311 is disposed in the guide hole 31, and the second limiting step 311 is blocked on the radial movement path of the first limiting step 43. In this way, it is possible to achieve a definition of the path of movement of the guide 4, avoiding unrestricted compression of the inner fixing ring 1 by the guide 4.
In the above-mentioned scheme, preferably, in order to facilitate the fixation of the outer fixing ring 3, referring to fig. 1 and 2, the outer fixing ring 3 is provided with a binding band 32, and the binding band 32 is bound on the animal body, so that the outer fixing ring 3 is fixed outside the wound surface of the animal.
In the above scheme, preferably, in order to avoid the influence of external unexpected factors on the wound surface of the animal, referring to fig. 1 and 2, the outer fixing ring 3 is provided with a flip cover 6, and the flip cover 6 is hinged with the outer fixing ring 3 through a horizontal rotating shaft. So that the top of the outer fixing ring 3 can be covered and sealed by the flip cover 6, and foreign matters are prevented from entering the wound surface of the animal; further preferably, in order to facilitate the observation of the wound surface state of the animal, the flip cover 6 is provided with a transparent observation window 61, and the transparent observation window 61 may be glass or transparent plastic.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. An animal wound fixator for an experimental model, comprising:
the inner fixing ring is provided with a plurality of inserted nails which are equidistantly arranged along the circumferential direction, the end parts of the inserted nails penetrate out of the bottom of the inner fixing ring, and the end parts of the inserted nails are bent to form obliquely arranged puncture parts; the puncture parts of the plug nails are uniformly arranged clockwise or anticlockwise along the inner fixing ring, and the puncture parts of the plug nails are inserted into the skin around the animal wound surface by rotating the inner fixing ring;
the external fixing ring is fixed outside the animal wound surface, and is provided with a plurality of guide holes which are circumferentially and equidistantly arranged, and the guide holes are radially and penetratingly arranged; the guide hole is internally provided with a slidable guide block, and the outer fixing ring is provided with an elastic piece for driving the guide block to abut against the outer peripheral wall of the inner fixing ring.
2. The animal wound fixator for experimental models according to claim 1 wherein the inner fixing ring is silica gel, the plug pin comprises a pressing plate and a pin body fixed on the end surface of the pressing plate, the pin body passes through the inner fixing ring, and the pressing plate is adhered on the upper surface of the inner fixing ring.
3. The animal wound fixator for experimental models according to claim 1 wherein the elastic member is a spiral spring ring sleeved on the outer circumference of the outer fixing ring, and the spiral spring ring contracts radially to drive the guide block to move.
4. An animal wound fixer for an experimental model according to claim 3, wherein the inner end of the guide block is formed with an arc-shaped abutting surface adapted to the outline of the outer peripheral wall of the inner fixing ring, and the outer end of the guide block is formed with an arc-shaped limit groove into which the spiral spring ring is clamped.
5. The animal wound fixer for experimental models according to claim 4, wherein the guide block is provided with a first limit step, the guide hole is internally provided with a second limit step, and the second limit step is blocked on a path of radial movement of the first limit step.
6. The animal wound fixator for experimental models according to claim 1 wherein the outer fixing ring is provided with a binding band by which the outer fixing ring is fixed outside the animal wound.
7. The animal wound fixator for experimental models according to claim 1 wherein the outer fixing ring is provided with a flip cover, and the flip cover is hinged with the outer fixing ring through a horizontal rotating shaft.
8. The animal wound fixator for experimental models according to claim 7 wherein the flip cover is provided with a transparent viewing window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223043991.0U CN219332066U (en) | 2022-11-16 | 2022-11-16 | Animal wound surface fixer for experimental model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223043991.0U CN219332066U (en) | 2022-11-16 | 2022-11-16 | Animal wound surface fixer for experimental model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219332066U true CN219332066U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223043991.0U Active CN219332066U (en) | 2022-11-16 | 2022-11-16 | Animal wound surface fixer for experimental model |
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| Country | Link |
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| CN (1) | CN219332066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117084804A (en) * | 2023-10-17 | 2023-11-21 | 四川大学 | Skin wound surface constant force expansion fixer for animal experiments and application thereof |
-
2022
- 2022-11-16 CN CN202223043991.0U patent/CN219332066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117084804A (en) * | 2023-10-17 | 2023-11-21 | 四川大学 | Skin wound surface constant force expansion fixer for animal experiments and application thereof |
| CN117084804B (en) * | 2023-10-17 | 2023-12-19 | 四川大学 | Skin wound surface constant force expansion fixer for animal experiments and application thereof |
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