Slicing device for skin grafting
By designing a skin grafting slicing device, utilizing a cross-shaped avoidance groove and storage groove structure, combined with elastic elements and guide columns, the device achieves high efficiency, uniformity, and safety in skin slicing, solving the problems of low slicing efficiency and poor safety in existing technologies.
Patent Information
- Application Number
- CN202520023058.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-01-06
AI Technical Summary
Existing technologies for skin grafting have low efficiency and inconsistent slice sizes. Manual cutting makes it difficult to ensure uniformity and poses safety hazards.
Design a graft slicing device, including a base, upper seat, blade assembly and pressure plate. Through cross-arranged clearance grooves and storage grooves, combined with elastic elements and guide columns, the blades can be automatically stored and extended, ensuring slicing efficiency and safety.
It improves the efficiency of skin biopsy and the uniformity of biopsy size, while reducing safety risks to medical staff and improving the safety of use.
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Figure CN223877060U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical supplies field, in particular to a skin grafting section device. BACKGROUND
[0002] Autologous skin grafting is a common method for treating trauma, burn and other factors caused skin defect, whether the grafted skin can survive mainly depends on whether the grafted skin and the skin tissue establish effective blood circulation. Usually, after taking the skin needing grafting from the healthy part, the skin needs to be cut into multiple square pieces by scalpel. When using the manual cutting mode, the size of the cut skin is different, the uniformity is poor, and the cutting efficiency is low. SUMMARY
[0003] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides a skin grafting section device, which can improve the section efficiency of the skin and improve the uniformity of the section size.
[0004] The skin grafting section device according to the utility model embodiment comprises a base, an upper end face of the base is provided with a plurality of cross arranged avoiding grooves; an upper seat, a lower end face of the upper seat can abut and cooperate with the upper end face of the base, the lower end face of the upper seat is provided with a plurality of cross arranged receiving grooves, and an upper end face of the upper seat is provided with a mounting groove; a cutter group, comprising a connecting part, a plurality of first blades arranged at intervals along a first direction and a plurality of second blades arranged at intervals along a second direction, the plurality of first blades and the plurality of second blades are cross connected, the first blades and the second blades can be received in the receiving grooves, and the connecting part is connected to the first blades and penetrates into the mounting groove; a pressing plate, arranged in the mounting groove and connected with the connecting part; wherein the pressing plate has a first position and a second position, when the pressing plate is at the first position, the first blades and the second blades are stretched out of the receiving grooves and at least part of the structures are located in the avoiding grooves, and when the pressing plate is at the second position, the first blades and the second blades are received in the receiving grooves.
[0005] The skin grafting section device according to the utility model embodiment has at least the following beneficial effects:
[0006] The upper end face of the base is provided with a plurality of cross-arranged avoiding grooves, the lower end face of the upper seat is provided with a plurality of cross-arranged receiving grooves, the pressing plate is arranged in the mounting groove and connected with the connecting part of the cutter group. When the skin needs to be cut, the skin that has been taken off is placed on the upper end face of the base, then the upper seat is placed on the base, so that the lower end face of the upper seat and the upper end face of the base abut, thereby the position of the skin is pressed and fixed, then the pressing plate is pressed downward, so that the pressing plate moves to the first position, the avoiding grooves play the role of avoiding the first blade and the second blade, which is beneficial to the first blade and the second blade extending out of the receiving grooves and cutting the skin, thereby the skin is cut into small pieces, the skin cutting efficiency can be improved, and the uniformity of the cutting size is improved. Meanwhile, when the pressing plate moves to the second position, the first blade and the second blade can be received in the receiving grooves, so that the first blade and the second blade do not accidentally scratch the medical staff, and the safety of the skin cutting device in use is improved.
[0007] According to some embodiments of the present application, the skin cutting device further comprises an elastic member arranged between the bottom wall of the mounting groove and the pressing plate, and configured to provide an elastic force to the pressing plate in a direction away from the bottom wall of the receiving groove.
[0008] According to some embodiments of the present application, the bottom wall of the mounting groove is provided with a guide column, the elastic member is a spring, the spring is sleeved on the guide column, and the pressing plate is provided with a guide hole, and the guide column is arranged in the guide hole.
[0009] According to some embodiments of the present application, the cutter group further comprises an abutting part connected to the second blade and arranged in the mounting groove, and configured to abut and cooperate with the lower end of the pressing plate.
[0010] According to some embodiments of the present application, the connecting part is arranged in the pressing plate, one end of the connecting part arranged in the pressing plate is provided with a connecting hole, and the connecting hole is provided with a bolt.
[0011] According to some embodiments of the present application, the first direction and the second direction are perpendicular.
[0012] According to some embodiments of the present application, the skin cutting device further comprises a pressing cover, the pressing cover is annular and connected to the upper end of the upper seat, and part of the structure of the pressing cover is located above the mounting groove, when the pressing plate is in the second position, the pressing cover and the pressing plate abut to limit the pressing plate from separating from the mounting groove.
[0013] According to some embodiments of the present application, the upper seat and the base are rotationally connected.
[0014] According to some embodiments of the present application, the upper seat and the base are rotationally connected through a hinge.
[0015] According to some embodiments of the present application, the first blades are uniformly spaced, and the second blades are uniformly spaced.
[0016] Additional aspects and advantages of the present application will be given in part in the following description, become apparent from the following description, or be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0017] The present application will be further described below in conjunction with the drawings and embodiments, wherein:
[0018] Figure 1 is a structural schematic view of a skin grafting slice device according to an embodiment of the present application;
[0019] Figure 2 is a structural schematic view of the upper seat after rotating the base according to an embodiment of the present application;
[0020] Figure 3 is a structural schematic view of the upper seat and the base being separated according to an embodiment of the present application;
[0021] Figure 4 is a sectional structural schematic view of the upper seat and the base being separated according to an embodiment of the present application;
[0022] Figure 5 is an exploded view of a skin grafting slice device according to an embodiment of the present application;
[0023] Figure 6 is a structural schematic view of a knife group according to an embodiment of the present application.
[0024] Reference signs:
[0025] skin grafting slice device 1000;
[0026] base 100; avoiding groove 110; hinge 120;
[0027] upper seat 200; receiving groove 210; mounting groove 220; guide column 221; pressing cover 230;
[0028] knife group 300; first blade 310; second blade 320; connecting part 330; connecting hole 331; abutting part 340;
[0029] pressing plate 400; elastic member 410; spring 411; guide hole 420. DETAILED DESCRIPTION
[0030] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0031] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0032] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0033] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0034] Reference Figure 1 , Figure 2 and Figure 3 As shown, a skin grafting slicing device 1000 according to an embodiment of the present invention can be used for skin slicing. The skin grafting slicing device 1000 of this embodiment includes a base 100, an upper seat 200, a blade assembly 300, and a pressure plate 400. The upper surface of the base 100 is provided with a plurality of intersecting clearance grooves 110, for example, some clearance grooves 110 are evenly spaced in the left-right direction, and others are evenly spaced in the front-back direction. The lower surface of the upper seat 200 can abut against the upper surface of the base 100. The lower surface of the upper seat 200 is provided with a plurality of intersecting storage grooves 210, for example, some storage grooves 210 are evenly spaced in the left-right direction, and others are evenly spaced in the front-back direction. The upper surface of the upper seat 200 is provided with a mounting groove 220.
[0035] Reference Figure 3 and Figure 4As shown, the knife group 300 includes a connecting portion 330, a plurality of first blades 310 arranged in a first direction and a plurality of second blades 320 arranged in a second direction, the plurality of first blades 310 and the plurality of second blades 320 are cross-connected, the first blades 310 and the second blades 320 can be accommodated in the accommodation groove 210, and the connecting portion 330 is connected to the first blades 310 and penetrates into the mounting groove 220; the pressing plate 400 is arranged in the mounting groove 220 and is connected with the connecting portion 330, and the connection mode of the pressing plate 400 and the connecting portion 330 can be clamping, fastener connection, adhesion and the like. Among them, the pressing plate 400 has a first position and a second position, when the pressing plate 400 is in the first position, the first blades 310 and the second blades 320 are extended from the accommodation groove 210 and at least part of the structure is located in the avoiding groove 110, when the pressing plate 400 is in the second position, the first blades 310 and the second blades 320 are accommodated in the accommodation groove 210.
[0036] It can be understood that, when the skin needs to be cut, the skin that has been taken out is placed on the upper end face of the base 100, and then the upper seat 200 is placed on the base 100, so that the lower end face of the upper seat 200 and the upper end face of the base 100 are abutted, thereby pressing and fixing the position of the skin, then pressing the pressing plate 400 downward, so that the pressing plate 400 moves to the first position, the avoiding groove 110 plays a role of avoiding the first blades 310 and the second blades 320, which is beneficial to the first blades 310 and the second blades 320 extending from the accommodation groove 210 and cutting the skin, thereby cutting the skin into small pieces, which can improve the cutting efficiency of the skin and improve the uniformity of the cutting size. At the same time, when the pressing plate 400 moves to the second position, the first blades 310 and the second blades 320 can also be accommodated in the accommodation groove 210, so as to avoid the first blades 310 and the second blades 320 accidentally scratching medical staff, thereby improving the safety of the skin cutting device 1000 in use.
[0037] In order to make the first blades 310 and the second blades 320 can be automatically accommodated in the accommodation groove 210, referring to Figure 5 As shown, in the embodiment of the utility model, the skin cutting device 1000 further includes an elastic member 410, the elastic member 410 is arranged between the bottom wall of the mounting groove 220 and the pressing plate 400, and the elastic member 410 is configured to provide the pressing plate 400 with an elastic force in the direction away from the bottom wall of the accommodation groove 210. Therefore, when the pressing plate 400 is removed under the action of external force, the pressing plate 400 can drive the knife group 300 to move to the second position under the action of the elastic force of the elastic member 410, so that the first blades 310 and the second blades 320 are accommodated in the accommodation groove 210, thereby avoiding accidentally scratching medical staff. When the skin needs to be cut, press the pressing plate 400 downward with force, overcome the elastic force of the elastic member 410 and make the pressing plate 400 move to the first position, so that the first blades 310 and the second blades 320 extend out of the accommodation groove 210.
[0038] With reference to the accompanying drawings, the embodiments of the present application will be described in detail. Figure 5 As shown in the drawings, in the embodiments of the present application, the bottom wall of the mounting groove 220 is provided with a guide column 221, which can be integrally injection molded with the upper seat 200. The elastic member 410 is a spring 411, which is sleeved on the guide column 221. The pressing plate 400 is provided with a guide hole 420, and the guide column 221 is arranged in the guide hole 420, so that the two ends of the spring 411 abut against the pressing plate 400 and the bottom wall of the mounting groove 220, respectively. Among them, the cooperation of the guide column 221 and the guide hole 420 can guide the pressing plate 400, avoiding the inclination of the pressing plate 400. The scheme of using the spring 411 can simplify the assembly of the skin grafting device 1000 and improve the assembly efficiency. Among them, the guide column 221 and the spring 411 can be provided with multiple, multiple guide columns 221 are arranged on the bottom wall of the mounting groove 220, and multiple springs 411 are sleeved on the guide column 221, which can further improve the stability of the pressing plate 400 when moving up and down. In other embodiments, the elastic member 410 can also be elastic silica gel, rubber and the like, and the appropriate scheme is selected according to the actual situation.
[0039] With reference to the accompanying drawings, the embodiments of the present application will be described in detail. Figure 6 As shown in the drawings, in the embodiments of the present application, the knife group 300 further includes an abutting portion 340, which is connected to the second blade 320 and arranged in the mounting groove 220, and the abutting portion 340 is used for abutting and cooperating with the lower end of the pressing plate 400. For example, multiple abutting portions 340 can be provided, and each of the multiple abutting portions 340 can abut against the pressing plate 400. It can be understood that when the pressing plate 400 is pressed, the abutting of the pressing plate 400 and the abutting portion 340 can drive the whole knife group 300 to move downward, thereby effectively cutting the skin, and the structure design of the skin grafting device 1000 is reasonable and reliable.
[0040] With reference to the accompanying drawings, the embodiments of the present application will be described in detail. Figure 4 As shown in the drawings, in the embodiments of the present application, the connecting portion 330 is arranged in the pressing plate 400, one end of the connecting portion 330 arranged in the pressing plate 400 is provided with a connecting hole 331, the connecting hole 331 is provided with a bolt, and the bolt can limit the separation of the connecting portion 330 and the pressing plate 400, so that the pressing plate 400 moves upward under the elastic force of the spring 411, and at the same time drives the knife group 300 to move upward, so that the first blade 310 and the second blade 320 are accommodated in the accommodation groove 210. When it is necessary to clean the knife group 300, the bolt is removed to separate the pressing plate 400 and the knife group 300, thereby facilitating the cleaning and disinfection of the knife group 300.
[0041] With reference to the accompanying drawings, the embodiments of the present application will be described in detail. Figure 6As shown, in the embodiment of the utility model, the first direction and the second direction are perpendicular, for example, the first direction is left-right direction, and the second direction is front-back direction. The plurality of first blades 310 are uniformly and spacedly arranged, and the plurality of second blades 320 are uniformly and spacedly arranged, so that the skin can be cut into pieces with uniform size.
[0042] Referring to Figure 5 As shown, in the embodiment of the utility model, the skin grafting device 1000 further comprises a gland 230, the gland 230 is annular and connected to the upper end of the upper seat 200, and part of the structure of the gland 230 is located above the mounting groove 220, when the pressing plate 400 is in the second position, the gland 230 and the pressing plate 400 abut to limit the pressing plate 400 from separating from the mounting groove 220. It can be understood that under the elastic force of the spring 411, the pressing plate 400 will move upward, in order to avoid the separation of the pressing plate 400 and the mounting groove 220, the gland 230 is arranged to limit the position of the pressing plate 400, which can effectively prevent the pressing plate 400 from separating from the mounting groove 220. Wherein, the gland 230 can be detachably connected with the upper seat 200, facilitating the disassembly and assembly of the pressing plate 400.
[0043] Referring to Figure 1 and Figure 2 As shown, in the embodiment of the utility model, the upper seat 200 and the base 100 are rotationally connected, for example, the upper seat 200 and the base 100 are rotationally connected through the hinge 120, or the lugs are respectively arranged on the upper seat 200 and the base 100 and are hingedly connected with each other. By rotationally connecting the upper seat 200 and the base 100, the positioning and alignment of the upper seat 200 and the base 100 can be facilitated, which is beneficial to inserting the first blade 310 and the second blade 320 into the avoiding groove 110 when pressing the pressing plate 400. The above has made a detailed description of the embodiment of the utility model in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.
Claims
1. A skin graft slicing device, characterized by, The device comprises: a base, the upper end surface of which is provided with a plurality of cross-set avoidance grooves; an upper seat, the lower end surface of which can be abutted and matched with the upper end surface of the base, the lower end surface of the upper seat is provided with a plurality of cross-set accommodation grooves, and the upper end surface of the upper seat is provided with a mounting groove; a cutter group, comprising a connecting part, a plurality of first blades arranged at intervals along a first direction, and a plurality of second blades arranged at intervals along a second direction, the plurality of first blades and the plurality of second blades are cross-connected, the first blades and the second blades can be accommodated in the accommodation grooves, and the connecting part is connected to the first blades and penetrates into the mounting groove; a pressing plate, which is arranged in the mounting groove and connected to the connecting part; wherein the pressing plate has a first position and a second position, when the pressing plate is in the first position, the first blades and the second blades protrude out of the accommodation grooves and at least part of the structure is located in the avoidance grooves, and when the pressing plate is in the second position, the first blades and the second blades are accommodated in the accommodation grooves.
2. The skin grafting device according to claim 1, wherein The skin graft slicing device further comprises an elastic member, which is arranged between the bottom wall of the mounting groove and the pressing plate, and is configured to provide the pressing plate with an elastic force in a direction away from the bottom wall of the accommodation groove.
3. The skin grafting device according to claim 2, wherein The bottom wall of the mounting groove is provided with a guide column, the elastic member is a spring, the spring is sleeved on the guide column, the pressing plate is provided with a guide hole, and the guide column penetrates through the guide hole.
4. The skin grafting device of claim 1, wherein, The cutter group further comprises an abutting part, which is connected to the second blades and penetrates into the mounting groove, and is used for abutting and matching with the lower end of the pressing plate.
5. The skin grafting device of claim 1, wherein, The connecting part penetrates through the pressing plate, one end of the connecting part penetrating through the pressing plate is provided with a connecting hole, and the connecting hole is provided with a bolt.
6. The skin grafting device of claim 1, wherein, The first direction and the second direction are perpendicular.
7. The skin grafting device of claim 1, wherein, The skin graft slicing device further comprises a pressing cap, which is annular and connected to the upper end of the upper seat, and part of the structure of the pressing cap is located above the mounting groove, when the pressing plate is in the second position, the pressing cap abuts against the pressing plate to limit the pressing plate from being separated from the mounting groove.
8. The skin grafting device of claim 1, wherein, The upper seat and the base are rotationally connected.
9. The skin grafting device of claim 8, wherein, The upper seat and the base are rotationally connected through a hinge.
10. The skin grafting device of claim 1, wherein, The plurality of first blades are uniformly and intervally arranged, and the plurality of second blades are uniformly and intervally arranged.