Pig skin cutting device for in-vitro transdermal test

By designing a pig skin cutting device that includes a motor, a cutting blade assembly, and a spring mechanism, the problems of lack of precision and flexibility in existing devices are solved, enabling precise cutting of pig skin samples of different sizes and improving cutting stability and operational comfort.

CN224176201UActive Publication Date: 2026-04-28ANHUI WANBANGDAWEI TESTING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI WANBANGDAWEI TESTING TECHNOLOGY CO LTD
Filing Date
2025-01-24
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing pig skin cutting devices lack precision and flexibility, and cannot meet the cutting needs of pig skin samples of different sizes.

Method used

A pig skin cutting device was designed, comprising a motor, a cutter assembly, a column, a force-saving spring mechanism, a fixing device, and a rechargeable battery. By changing cutters of different diameters and utilizing a spring mechanism for force-saving spring-loaded return, precise cutting of pig skin samples of different sizes can be achieved.

Benefits of technology

It improves the stability and precision of the cutting process, reduces the labor intensity of operators, and enhances the portability and operational comfort of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pig skin cutting device for an in-vitro transdermal test, and aims to provide equipment capable of accurately cutting pig skins with different sizes so as to meet the requirements of the in-vitro transdermal test. The device is composed of a motor, a cutter assembly, a stand column, a flat plate, a fixing device and a control unit (containing a battery). Operation convenience is achieved through the labor-saving rebounding device on the stand column, and cutting accuracy and skin stability are ensured through the replaceable cutter assembly and the fixing device. In addition, due to the detachable design of the battery, the device is more portable and suitable for being used in different laboratory environments. According to the overall design, labor-saving performance of operation, cutting accuracy and portability of the device are considered, and the pig skin cutting device is suitable for pig skin cutting in an in-vitro transdermal test.
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Description

Technical Field

[0001] This utility model relates to the field of medical devices, and in particular to a pig skin cutting device for in vitro transdermal testing. Background Technology

[0002] In vitro transdermal assays are an important method for evaluating the transdermal absorption characteristics of drugs. These assays require precise cutting of pig skin to obtain samples of uniform size. Existing cutting devices often lack precision and flexibility, failing to meet the needs of different experiments. Therefore, developing a device capable of precisely cutting pig skin of varying sizes is of great significance. Utility Model Content

[0003] The purpose of this invention is to provide a porcine skin cutting device for in vitro transdermal testing, which can accurately cut porcine skin samples of different sizes to meet experimental requirements.

[0004] This utility model discloses a pig skin cutting device for in vitro transdermal testing, comprising: a motor for driving a cutting assembly to rotate; a control unit, wherein a removable and rechargeable battery provides power to the motor; a cutting assembly including at least one cutting blade, the cutting assembly being mounted on a column, and the cutting blade being replaceable as needed; a column for assisting the vertical movement and fixation of the motor; a force-saving rebound device for assisting the vertical movement and fixation of the motor; a plate for supporting the entire device; and a fixing device for fixing the pig skin, the material of which meets the requirement of being able to cut the skin without damaging the cutting blade. The force-saving rebound device is a spring mechanism. The cutting blades of the cutting assembly have different diameters to accommodate pig skin samples of different sizes. The column allows the motor and the cutting assembly to move in the vertical direction.

[0005] Preferably, the fixing device is made of hardwood or silicone.

[0006] Preferably, the fixing device includes a C-type clamp.

[0007] Preferably, the battery in the control unit is designed to be easily removable and rechargeable.

[0008] Preferably, the device further includes a control unit for controlling the starting and stopping of the motor.

[0009] The beneficial effects of this utility model's technical solution are:

[0010] By changing the cutter to different diameters, the device can accommodate pig skin samples of varying sizes, increasing experimental flexibility. The material and fixing mechanism of the flat plate ensure the stability and precision of the cutting process. The rechargeable battery design of the motor enhances the portability and practicality of the device. The labor-saving, spring-loaded mechanism on the column reduces operator fatigue, improving operational comfort and efficiency. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of the pig skin cutting device of this utility model.

[0012] Figure 2 This is a side view of the pig skin cutting device of this utility model. Detailed Implementation

[0013] like Figure 1 and Figure 2 As shown, this utility model discloses a pig skin cutting device for in vitro transdermal testing, comprising: a motor 2 for driving a cutter assembly 3 to rotate; a control unit 1, wherein the battery is removable and rechargeable, providing power to the motor 2; a cutter assembly 3, including at least one cutter, the cutter assembly 2 is mounted on a column 4, and the cutter can be replaced as needed; a column 4 for assisting the up-and-down movement and fixing of the motor 2; a force-saving rebound device 5, the rebound device is used to assist the up-and-down movement and fixing of the motor 2; a plate 6 for supporting the entire device; and a fixing device 7 for fixing the pig skin, the material of which meets the requirement of being able to cut the skin without damaging the cutter. The force-saving rebound device is a spring mechanism. The cutter of the cutter assembly 3 has different diameters to accommodate pig skin samples of different sizes. The column 4 allows the motor 2 and the cutter assembly 3 to move in the vertical direction. The pig skin cutting device mainly includes a control unit 1, a motor 2, a cutter assembly 3, a column 4, a force-saving rebound device 5, a plate 6, and a fixing device 7.

[0014] The battery in control unit 1 is designed for easy removal and charging. The device also includes a control unit 1 for controlling the start and stop of motor 2. Control unit 1 uses a rechargeable battery to power motor 2, and the battery is designed for easy removal and charging. The cutter assembly 3 includes multiple cutters of different diameters, which can be replaced according to the size of the skin sample. The effort-saving spring-loaded device 5 on the column 4 is a spring mechanism to reduce the operator's labor intensity when adjusting the motor position and ensure that the motor automatically returns to the preset position after release. The fixing device 7 is made of hard wood or silicone and includes C-clamps. The fixing device 7 can also be made of high-hardness plastic or rubber and equipped with C-clamps for fixing the skin. The flat plate 6 provides support for the entire device.

[0015] Before conducting the in vitro transdermal test, the fixation device 7 is first placed on the flat plate 6, and the pig skin is fixed to the fixation device 7. Then, a suitable cutter is selected according to the required skin sample size and installed on the cutter assembly 3. By adjusting the height of the column 4, the cutter assembly 3 is positioned at the appropriate cutting position. The motor 2 is started, and the cutter begins to rotate, achieving precise cutting of the pig skin. The labor-saving and spring-loaded device 5 ensures the convenience and comfort of adjusting the motor position.

[0016] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A porcine skin cutting device for in vitro transdermal testing, characterized in that: include: A motor (2) is used to drive the cutter assembly (3) to rotate; a control unit (1) wherein the battery is removable and rechargeable and provides power to the motor (2); a cutter assembly (3) including at least one cutter, the cutter assembly (3) being mounted on a column (4) and the cutter being replaceable as needed; a column (4) for assisting the up-and-down movement and fixing of the motor (2); a force-saving rebound device (5), a rebound device for assisting the up-and-down movement and fixing of the motor (2); a plate (6) for supporting the entire device; a fixing device (7) for fixing pig skin, the material of which meets the requirement of being able to cut the skin without damaging the cutter, the force-saving rebound device being a spring mechanism, the cutter of the cutter assembly (3) having different diameters to accommodate pig skin samples of different sizes, and the column (4) allowing the motor (2) and the cutter assembly (3) to move in the vertical direction.

2. The porcine skin cutting device for in vitro transdermal testing according to claim 1, characterized in that: The fixing device (7) is made of hardwood or silicone.

3. The porcine skin cutting device for in vitro transdermal testing according to claim 1, characterized in that: The fixing device (7) includes a C-type clamp.

4. The porcine skin cutting device for in vitro transdermal testing according to claim 1, characterized in that: The battery in the control unit (1) is designed to be easy to remove and charge.

5. The porcine skin cutting device for in vitro transdermal testing according to claim 1, characterized in that: The device also includes a control unit (1) for controlling the start and stop of the motor (2).