Fixing cover for protecting wound surface of laboratory mouse

Abstract

According to the laboratory mouse wound protection fixing cover, a base comprises a connecting section and a fixing section which are arranged up and down, and the outer diameter of the fixing section is larger than that of the connecting section; the base is axially provided with an operation window for exposing a wound surface, and the operation window forms a first opening in the upper end face of the connecting section; a plurality of through holes for fixedly sewing the base on the skin surface of the laboratory mouse are formed in the fixed section, a second opening is formed in the top surface of the fixed section by the through holes, and the suture is exposed on the top surface and the outer side wall of the fixed section; the upper part of the connecting section is detachably connected with a top cover for covering the first opening; the lower portion of the connecting section is detachably sleeved with a shielding cover used for shielding the exposed suture. The base and the wound surface of the laboratory mouse are fixedly sewed through the through hole, the wound surface is effectively prevented from shrinking, and the shielding cover is arranged to prevent the laboratory mouse from biting an exposed suture; and the top cover is detachably connected with the connecting section, so that the operation of dismounting / mounting the top cover is simplified, and the medicine replacement on the exposed wound surface in the operation window is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model discloses animal wound protection technical field, especially an experimental mouse wound protection fixing cover. BACKGROUND

[0002] Skin defect animal model is the animal model that is used more in many researches burn wound treatment mechanism, such as using wound dressing for promoting wound healing or controlling local infection, etc., mostly adopt the exposed wound of 1-2cm outer diameter on experimental mouse and the like animals, and fixed interval time is changed to the dressing of experimental animal, and the continuous period is about 2-4 weeks.

[0003] The conventional dressing change operation adopts the mode of applying medical gauze on the wound after drug administration, and the gauze or protective net is sewn on the experimental mouse wound around by surgical suture, so as to prevent the medicine from falling off; the gauze or protective net can be taken down after the stitches around the wound are removed each time, and the dressing change operation is relatively cumbersome. At the same time, in order to resist the interference of wound contraction on the effect of drug treatment, CN219323537U discloses an experimental mouse wound protection fixing cover, which realizes the effect of resisting wound contraction through the fixing effect of bottom cover and suture, but there is no protective cover around the fixing cover, the exposed suture cannot be prevented from being bitten by the experimental mouse, and the operation of repeatedly removing stitches and resewing is still needed each time, so the simplification effect is limited.

[0004] Therefore, an experimental mouse wound protection fixing cover that can simplify the dressing change operation and protect the exposed suture is needed. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses an experimental mouse wound protection fixing cover to solve the prior art problems.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: an experimental mouse wound protection fixing cover, including base, shade and top cover,

[0007] The base includes the connecting section and the fixed section arranged up and down, and the outer diameter of the fixed section is greater than that of the connecting section;

[0008] The base is axially provided with an operation window for exposing the wound, and the operation window is formed with a first opening on the upper end face of the connecting section;

[0009] A plurality of through holes for sewing the base to the skin surface of the experimental mouse are formed on the fixed section, and the through holes are formed with a second opening on the top face of the fixed section, and the suture is exposed on the top face of the fixed section and the outer side wall of the fixed section;

[0010] The top cover for covering the first opening is detachably connected to the upper part of the connecting section, and a plurality of air holes for connecting the operation window with the outside are arranged on the top cover;

[0011] The lower part of the connecting section is detachably sleeved with a cover for covering the exposed suture.

[0012] Preferably, the top surface of the fixing section and the top surface of the connecting section are both circular surfaces; the top cover is connected with the connecting section by screwing, the outer side wall of the connecting section is provided with external threads, and the top cover comprises a circular cover cap and a connecting ring extending downward along the edge of the circular cover cap, the inner side wall of the connecting ring is provided with internal threads.

[0013] Preferably, the second openings are distributed on the top surface of the fixing section at equal arc distances.

[0014] Preferably, the external threads extend downward to the lower part of the connecting section, and the cover is provided with internal threads in the inside to realize detachable screwing of the cover with the lower part of the connecting section.

[0015] Preferably, the cover is axially penetrated by a mounting hole, the mounting hole comprises a narrow-diameter section matched with the outer diameter of the connecting section and a wide-diameter section matched with the outer diameter of the fixing section, and a radial gap is left between the inner side wall of the wide-diameter section and the outer side wall of the fixing section.

[0016] Preferably, the inner diameter of the operation window is 15-25 mm, the height is 6-12 mm, and the height of the connecting section is not less than one-half of the height of the base.

[0017] Preferably, the base, the cover and the top cover are all made of medical-grade stainless steel.

[0018] The beneficial effects of the utility model are as follows: the base is fixed with the wound surface of the experimental mouse through the penetrating hole, which effectively prevents the wound surface from shrinking, and the cover is arranged to avoid the experimental mouse from tearing and biting the exposed suture; the top cover is detachably connected with the connecting section, which simplifies the operation of dismounting / mounting the top cover, facilitates drug replacement of the exposed wound surface in the operation window, and the air holes ensure that the wound surface is in a circulating environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 is an assembly state schematic view of the utility model embodiment 1;

[0020] Figure 2 Fig. 2 is a sectional view of the utility model embodiment 1;

[0021] Figure 3 Fig. 3 is a structure schematic view of the base of the utility model;

[0022] Figure 4 Fig. 4 is a structure schematic view of the utility model embodiment 1. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] In combination with embodiments 1-2 and the accompanying Figures 1-4 A wound protection fixing cover for experimental mice, comprising a base, a cover and a top cover,

[0025] The base comprises a connecting section 11 and a fixing section 12 arranged in an up-down manner, and the outer diameter of the fixing section 12 is larger than that of the connecting section 11;

[0026] The base is axially provided with an operation window 10 for exposing the wound, and the operation window 10 is formed with a first opening on the upper end surface of the connecting section;

[0027] A plurality of through holes 120 for suturing the base to the skin surface of the experimental mouse are formed on the fixing section 12, and the through holes 120 are formed with a second opening on the top surface of the fixing section 12, and the suture is exposed on the top surface of the fixing section and the outer lateral wall of the fixing section;

[0028] The upper part of the connecting section 11 is detachably connected with the top cover 3 for covering the first opening, and the top cover 3 is provided with a plurality of air holes 33 for connecting the operation window 10 with the outside;

[0029] The lower part of the connecting section 11 is detachably connected with the cover 2 for covering the exposed suture.

[0030] The base, the cover and the top cover are all made of medical-grade stainless steel, which is convenient for disinfection and sterilization.

[0031] A wound protection fixing cover for experimental mice, a plurality of second openings are distributed on the top surface of the fixing section at equal arc distance.

[0032] A wound protection fixing cover for experimental mice, the cover 2 is axially penetrated by a mounting hole, the mounting hole comprises a narrow diameter section 21 matched with the outer diameter of the connecting section 11 and a wide diameter section 22 matched with the outer diameter of the fixing section 12, and a radial gap 4 is left between the inner lateral wall of the wide diameter section 22 and the outer lateral wall of the fixing section 12.

[0033] Embodiment 1

[0034] A wound protection fixing cover for experimental mice, the base 1 is a ring base, and the top surface of the fixing section 12 and the top surface of the connecting section 11 are both circular surfaces; the top cover 3 is connected with the connecting section 11 by screwing, the outer lateral wall of the connecting section 11 is provided with external threads, and the top cover 3 comprises a circular cover 31 and a connecting ring 32 extending downward along the edge of the circular cover 31, and the inner lateral wall of the connecting ring 32 is provided with internal threads.

[0035] Further, the external threads extend downward to the lower part of the connecting section, and the cover is provided with internal threads inside to realize detachable screwing of the cover with the lower part of the connecting section. The top surface of the cover extends upward to abut against the bottom surface of the top cover after screwing, and the positioning effect of the cover is realized by screwing of the top cover from above.

[0036] An experimental mouse wound protection fixed cover, the operating window inner diameter is 15-25mm, the height is 6-12mm, the height of the connecting section is not less than half of the base height.

[0037] Embodiment 2

[0038] An experimental mouse wound protection fixed cover, the base 1 is a ring base, the inner side wall of the connecting section is provided with internal threads, the top cover can also be an external thread cover, the top cover includes a circular cover and a connecting column below the circular cover, the connecting column is provided with external threads on the outer surface, and the top cover is screw-fixed with the inner side wall of the connecting section.

[0039] Further, the air vent hole is axially arranged through the connecting column.

[0040] The cover and the connecting section are detachably connected through a magnetic attraction assembly, the magnetic attraction assembly includes a first magnetic sheet fixed to the outer side wall of the connecting section and a second magnetic sheet fixed to the inner side wall of the cover. When assembling, after the experimental mouse wound is sutured and connected with the base, the cover is only needed to be sleeved on the outer side of the base, fixed after being attracted by the magnetic attraction, and then the external thread cover is used to incompletely close the first opening, so that the protection operation of the experimental mouse wound is completed.

[0041] In use, first, the experimental mouse wound is exposed in the operating window of the base, and the base is sutured to the skin surface of the experimental mouse through the suture thread passing through the through hole; then, the cover is sleeved on the outer side of the connecting section from top to bottom, and the exposed suture thread is accommodated through the wide diameter section and the radial gap, so that the whole device is ensured to have no exposed suture thread; finally, the top cover is screw-connected to the upper part of the connecting section, and the circular cover is used to realize the effect of incompletely closing the first opening, and the air vent hole is used for oxygen supply to the wound. When dressing change is needed, only the top cover needs to be disassembled, and the dressing change operation is performed on the wound in the operating window through the first opening, and then the top cover is reset, so that the dressing change operation is greatly simplified, and the experimental efficiency is improved. The operating window height is less than 2cm, and the gauze or sheet-shaped dressing only needs to be placed and treated to be stably attached to the wound, and the connecting column of different lengths can also be customized to realize the compression and fixation of the drug carrier.

[0042] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application can make equivalent replacement or change, which should be covered in the protection scope of the present application.

Claims

1. An experimental mouse wound protection fixing cover, comprising a base, a cover and a top cover, characterized in that: the base comprises a connecting section and a fixing section arranged in sequence from top to bottom, and the outer diameter of the fixing section is larger than that of the connecting section; the base is axially provided with an operation window for exposing the wound, and the operation window is formed with a first opening on the upper end surface of the connecting section; a plurality of through holes for sewing the base to the skin surface of the experimental mouse are formed on the fixing section, and the through holes are formed with second openings on the top surface of the fixing section, and the suture is exposed on the top surface of the fixing section and the outer lateral wall of the fixing section; the top cover for covering the first opening is detachably connected to the upper part of the connecting section, and a plurality of air holes for connecting the operation window with the outside are arranged on the top cover; the cover for covering the exposed suture is detachably sleeved on the lower part of the connecting section.

2. The protective cover for experimental mouse wound according to claim 1, characterized in that: The top surface of the fixing section and the top surface of the connecting section are both circular surfaces; the top cover is connected to the connecting section by screwing, the outer lateral wall of the connecting section is provided with external threads, and the top cover comprises a circular cover and a connecting ring extending downward along the edge of the circular cover, and the inner lateral wall of the connecting ring is provided with internal threads.

3. The protective cover for experimental mouse wound according to claim 2, characterized in that: The plurality of second openings are distributed at equal arc distances on the top surface of the fixing section.

4. The protective cover for experimental mouse wound according to claim 2, characterized in that: The external threads extend downward to the lower part of the connecting section, and the cover is provided with internal threads inside to realize the detachable screwing of the cover and the lower part of the connecting section.

5. The protective cover for experimental mouse wound according to claim 4, characterized in that: The cover is axially provided with a mounting hole, and the mounting hole comprises a narrow diameter section matched with the outer diameter of the connecting section and a wide diameter section matched with the outer diameter of the fixing section, and a radial gap is left between the inner lateral wall of the wide diameter section and the outer lateral wall of the fixing section.

6. The protective cover for experimental mouse wound according to claim 1, characterized in that: The inner diameter of the operation window is 15-25 mm, the height is 6-12 mm, and the height of the connecting section is not less than one half of the height of the base.

7. The protective cover for experimental mouse wound according to claim 1 or 2, characterized in that: The base, the cover and the top cover are all made of medical grade stainless steel.

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