Scalpel pressure testing device

Abstract

The utility model relates to a scalpel pressure testing device which is provided with a testing platform and a positioning block. A detection assembly is arranged on the test platform and comprises a mounting platform, a mounting block, a thin film pressure sensor, a pressure digital display instrument and a driving block, a sensing groove with an opening facing the positioning block is formed in the mounting block, and the thin film pressure sensor penetrates through the mounting block, extends into the sensing groove and then is fixed to the mounting block; the mounting platform is arranged on the testing platform in a sliding mode and fixed through a locking piece, the sliding direction of the mounting platform is parallel to the sliding direction of the pressure digital display instrument, and the pressure digital display instrument slides to drive the driving block to abut against a switch button on the scalpel. The driving block drives a switch button on the scalpel to drive a scalpel head of the scalpel to abut against the thin film pressure sensor. The device is ingenious in structure, convenient and practical.

Description

Technical Field

[0001] The utility model relates to the field of scalpel pressure testing, in particular to a scalpel pressure testing device. Background Art

[0002] In recent years, with the wide application of minimally invasive surgery, the demand for minimally invasive surgical instrument products and the market has increased rapidly. Mindray's innovation in the field of minimally invasive surgery has designed an ultrasonic scalpel head that better meets the needs of fine anatomy through independent research and development, and determined the materials and acoustic designs that match the fine scalpel head through simulation analysis, improving the precision and efficiency of surgery. The selection and use of minimally invasive surgical knives are not just for making the wound smaller. Doctors choose minimally invasive surgery because it can reduce the physical damage to patients while maintaining the surgical effect. The process of minimally invasive surgery is not smooth sailing. It is necessary to design the surgical process according to the patient's condition and diagnosis and treatment needs to truly make good use of minimally invasive technology. At the same time, the success of minimally invasive surgery also depends on the progress of technology and the improvement of doctors' skills.

[0003] Currently, the scalpel tests the pressure by manually pressing the switch button. During the test, the force value of each manual press cannot be directly displayed, and the force value of each press during the test will deviate, affecting the stability of the test and the accuracy of the data, which is very inconvenient. Summary of the Invention

[0004] The purpose of the utility model is to provide a scalpel pressure testing device, which can accurately obtain the pressure value generated by the scalpel head by setting different pressure values, improving the accuracy and efficiency of the test, and being convenient and practical.

[0005] The technical solution for achieving the purpose of the utility model is: the utility model has a test platform, and a positioning block arranged on the test platform and capable of positioning the scalpel; a detection component capable of detecting the pressure of the scalpel is arranged on the test platform. The detection component includes an installation platform arranged on the test platform, an installation block fixed on the installation platform, a thin film pressure sensor with two ends respectively connected to an external data acquisition device and the scalpel head in a matching manner, a pressure digital display slidingly arranged on the test platform, and a driving block fixed on the pressure digital display and capable of driving the switch button of the scalpel. A sensing groove with an opening facing the positioning block is arranged on the installation block. The thin film pressure sensor passes through the installation block and extends into the sensing groove and is then fixed on the installation block. The installation platform is slidingly arranged on the test platform and fixed by a locking member. The sliding direction of the installation platform is parallel to the sliding direction of the pressure digital display. The pressure digital display drives the driving block to press against the switch button on the scalpel through sliding, and the driving block drives the scalpel head to press against the thin film pressure sensor by driving the switch button on the scalpel.

[0006] Further, a positioning groove for the scalpel to lean on and be positioned is provided on the above-mentioned positioning block. A pressing device for pressing the scalpel tightly in the positioning groove is also provided on the positioning block. The pressing device includes a pressing base fixed on the upper end face of the positioning block, a rotating rod and a rotating bracket rotatably arranged on the pressing base, a pressing rod rotatably connected to the rotating rod and the rotating bracket, and a pressing block fixed on the rotating bracket and capable of leaning on the upper end of the scalpel. The rotation axes of the rotating rod, the pressing rod, and the rotating bracket are all perpendicular to the sliding direction of the driving block. A pressing plate is provided at one end of the pressing rod far from the rotating bracket. The pressing block presses on the scalpel through the downward pressing of the pressing plate, the rotational cooperation of the pressing rod with the rotating bracket and the rotating rod, and the rotational cooperation of the rotating bracket, the rotating rod, and the pressing base.

[0007] Further, a slot through which the thin-film pressure sensor can pass is provided on the above-mentioned mounting block. The slot communicates with the sensing groove. One end of the thin-film pressure sensor passes through the slot and then enters the sensing groove. A supporting block is also provided on the mounting platform. The supporting block is located between the sensing groove and the positioning groove. A supporting groove for supporting the blade rod of the scalpel is provided on the supporting block. The supporting groove extends from one end of the supporting block to the other end along the sliding direction of the driving block.

[0008] Further, a first slide rail is provided on the above-mentioned test platform. Limit blocks are provided at both ends of the first slide rail. A first slider is provided at the bottom of the mounting platform. A locking screw hole is provided on the side of the first slider, and a locking bolt is arranged in the locking screw hole. The mounting platform is slidably arranged on the test platform through the cooperation of the first slider and the first slide rail, and is fixed on the test platform through the cooperation of the locking bolt and the locking screw hole. A second slide rail parallel to the first slide rail is also provided on the test platform. A second slider corresponding to the second slide rail is provided at the bottom of the pressure digital display. The pressure digital display and the driving block are slidably arranged on the test platform through the cooperation of the second slider and the second slide rail.

[0009] Further, handles are provided on the side of the above-mentioned positioning block and at one end of the test platform far from the positioning block.

[0010] The utility model has positive effects: (1) The utility model positions the scalpel by setting positioning blocks on the test platform, and then detects the pressure of the scalpel through the test component. During the detection process, the blade tip of the scalpel is connected to the thin-film pressure sensor, and the pressure digital display presses the switch button of the scalpel through the driving block. On the one hand, it can accurately control the applied pressure, and on the other hand, through the thin-film pressure sensor, it can accurately obtain the pressing area and force distribution of the blade tip of the scalpel, effectively solving the problems of inaccurate pressing pressure and inaccurate pressure value of the blade tip caused by manual pressing of the switch button in the prior art, greatly improving the stability and detection accuracy during the pressure test of the blade tip of the scalpel. The structure is ingenious, stable and practical.

[0011] (2) The utility model positions the knife holder part of the scalpel by setting positioning grooves on the positioning blocks to ensure the stability of the scalpel during the pressure detection process. At the same time, during the process of pressing the scalpel by the presser, the pressing block presses on the scalpel through the downward pressing of the pressing plate, the rotational cooperation of the pressing rod with the rotating bracket and the rotating rod, and the rotational cooperation of the rotating bracket, the rotating rod and the pressing base, further ensuring the stability of the scalpel during the detection process and further ensuring the accuracy of its detection data.

[0012] (3) The utility model sets support blocks on the installation platform and support grooves on the support blocks to support the knife rod of the scalpel, further ensuring the stability during the contact and pressing process between the blade tip and the thin-film pressure sensor. It is convenient and practical.

[0013] (4) The utility model ensures the stability of the installation platform during movement through the cooperation of the first slider and the first slide rail, and ensures the stability after the first slider slides through the cooperation of the locking screw hole and the locking bolt. On the other hand, it ensures the stability of the pressure digital display during the sliding process through the cooperation of the second slider and the second slide rail. On the one hand, it can stably control the pressure applied to the switch button, and on the other hand, it also ensures the connection between the blade tip of the scalpel and the thin-film pressure sensor, thereby ensuring the accuracy of the test data. It is efficient and convenient.

[0014] (5) The utility model sets handles on the side of the positioning block and on the test platform, which is convenient for the operator to carry and transfer the test platform. The operator can transfer the test platform to various required test occasions through the handle to test the scalpel, making its test more applicable and convenient. Brief Description of the Drawings

[0015] In order to make the content of the utility model easier to be clearly understood, the following further details the utility model according to specific embodiments and in combination with the drawings, where

[0016] Figure 1 This is a schematic diagram of the overall structure of the scalpel pressure testing device in the present utility model;

[0017] Figure 2 This is the front view of the overall structure of the scalpel pressure testing device in the present utility model

[0018] Figure 3 This is a schematic diagram of the connection structure between the total installation platform of the detection component and the installation block in the present utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure of the compactor in the present utility model. Specific embodiments

[0020] See Figures 1 to 4 , the present utility model has a test platform 1, and a positioning block 2 provided on the test platform 1 and capable of positioning the scalpel A; a detection component 3 for detecting the pressure of the scalpel A is provided on the test platform 1, and the detection component 3 includes an installation platform 31 provided on the test platform 1, an installation block 32 fixed on the installation platform 31, a thin film pressure sensor 33 with two ends respectively connected in cooperation with an external data acquisition device and the blade tip of the scalpel A, a pressure digital display 34 slidably arranged on the test platform 1, and a driving block 35 fixed on the pressure digital display 34 and capable of driving the switch button of the scalpel A. A sensing groove 321 with an opening facing the positioning block 2 is provided on the installation block 32. The thin film pressure sensor 33 passes through the installation block 32 and extends into the sensing groove 321 and then is fixed on the installation block 32. The installation platform 31 is slidably arranged on the test platform 1 and fixed by a locking member. The sliding direction of the installation platform 31 is parallel to the sliding direction of the pressure digital display 34. The pressure digital display 34 drives the driving block 35 to press against the switch button on the scalpel A by sliding, and the driving block 35 drives the blade tip of the scalpel A to press against the thin film pressure sensor 33 by driving the switch button on the scalpel A.

[0021] The positioning block 2 is provided with a positioning groove 21 for the scalpel A to lean against and be positioned. The positioning block 2 is further provided with a presser 4 for pressing the scalpel A tightly in the positioning groove 21. The presser 4 includes a pressing base 41 fixed on the upper end face of the positioning block 2, a rotating rod 42 and a rotating bracket 43 rotatably arranged on the pressing base 41, a pressing rod 44 rotatably connected to the rotating rod 42 and the rotating bracket 43, and a pressing block 46 fixed on the rotating bracket 43 and capable of leaning against the upper end of the scalpel A. The rotation axes of the rotating rod 42, the pressing rod 44 and the rotating bracket 43 are all perpendicular to the sliding direction of the driving block 35. One end of the pressing rod 44 far from the rotating bracket 43 is provided with a pressing plate 45. The pressing block 46 leans against the scalpel A through the downward pressing of the pressing plate 45, the rotational cooperation of the pressing rod 44 with the rotating bracket 43 and the rotating rod 42, and the rotational cooperation of the rotating bracket 43, the rotating rod 42 and the pressing base 41.

[0022] The mounting block 32 is provided with a slot 322 for the thin film pressure sensor 33 to pass through. The slot 322 communicates with the sensing groove 321. One end of the thin film pressure sensor 33 passes through the slot 322 and then enters the sensing groove 321. The mounting platform 31 is further provided with a support block 30. The support block 30 is located between the sensing groove 321 and the positioning groove 21. The support block 30 is provided with a support groove 301 for supporting the shank of the scalpel A. The support groove 301 extends from one end of the support block 30 to the other end along the sliding direction of the driving block 35.

[0023] The test platform 1 is provided with a first slide rail 12. Both ends of the first slide rail 12 are provided with limit blocks 121. The bottom of the mounting platform 31 is provided with a first slider 311. The side of the first slider 311 is provided with a locking screw hole, and a locking bolt 36 is arranged in the locking screw hole. The mounting platform 31 is slidably arranged on the test platform 1 through the cooperation of the first slider 311 and the first slide rail 12, and is fixed on the test platform 1 through the cooperation of the locking bolt 36 and the locking screw hole. The test platform 1 is further provided with a second slide rail 13 arranged parallel to the first slide rail 12. The bottom of the pressure digital display 34 is provided with a second slider 341 corresponding to the second slide rail 13. The pressure digital display 34 and the driving block 35 are slidably arranged on the test platform 1 through the cooperation of the second slider 341 and the second slide rail 13.

[0024] Both the side of the positioning block 2 and one end of the test platform 1 far from the positioning block 2 are provided with handles 11.

[0025] Working principle of the utility model: During the use of the utility model, first place the scalpel A to be tested in the positioning groove 21 of the positioning block 2. The scalpel A is a minimally invasive scalpel A or an ultrasonic scalpel A, etc. Then, fix the scalpel A through the presser 4. During the fixing process, the operator can press the pressing plate 45. The pressing block 46 is pressed against the scalpel A by the rotational cooperation of the pressing rod 44 with the rotating bracket 43 and the rotating rod 42, as well as the rotational cooperation of the rotating bracket 43, the rotating rod 42 and the pressing base 41, so as to realize the pressing on the scalpel A. After the positioning of the scalpel A is completed, connect one end of the thin film pressure sensor 33 to an external data acquisition device. The other end of the thin film pressure sensor 33 passes through the slot 322 and enters the sensing groove 321. Then, through the cooperation of the first slider 311 and the first slide rail 12, the thin film pressure sensor 33 located in the sensing groove 321 is connected to the blade tip of the scalpel A. The support groove 301 on the support block 30 on the installation platform 31 supports the guide rod of the scalpel A, thus ensuring the stability of the blade tip during the test. After the scalpel A and the thin film pressure sensor 33 are both installed, the operator can push the pressure digital display 34 so that the driving block 35 on the pressure digital display 34 presses against the switch button of the scalpel A. The reading shown on the pressure digital display 34 is the applied pressure. After the thin film pressure sensor 33 detects the pressure on the blade tip, it transmits a data signal to the external data acquisition device. The external data acquisition device displays the biting area graph and the pressure distribution frame of the blade tip according to the thin film pressure sensor 33. During the test, the applied pressure is externally displayed through the pressure digital display 34, so as to clearly control the applied pressure, ensure the stable output of the pressure, and further ensure the stability and accuracy of the test data of the thin film pressure sensor 33 during the test. At the same time, it also avoids the inconvenience brought by the manual pressure test, ensures the accuracy and stability during the test of the scalpel A, effectively solves the inaccuracy of the data caused by manually testing the pressure of the blade tip in the prior art, greatly improves the stability and accuracy of the data test, and has a clever structure, stable and practical.

[0026] In the above specific embodiments, the purpose, technical solution and beneficial effects of the utility model are further described in detail. It should be understood that the above are only specific embodiments of the utility model and are not used to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A scalpel pressure testing device, comprising a testing platform and a positioning block arranged on the testing platform and capable of positioning a scalpel; characterized in that: The test platform is provided with a detection component that can detect the pressure of the scalpel. The detection component includes a mounting platform arranged on the test platform, a mounting block fixed on the mounting platform, a thin film pressure sensor whose two ends are respectively connected to an external data acquisition device and a blade head of the scalpel, a pressure digital display slidably arranged on the test platform, and a driving block fixed on the pressure digital display and capable of driving a switch button of the scalpel. The mounting block is provided with a sensing groove with an opening toward the positioning block. The thin film pressure sensor passes through the mounting block and extends into the sensing groove and is then fixed on the mounting block. The mounting platform is slidably arranged on the test platform and fixed by a locking member. The sliding direction of the mounting platform is arranged parallel to the sliding direction of the pressure digital display. The pressure digital display drives the driving block to press the switch button on the scalpel by sliding, and the driving block drives the blade head of the scalpel to press the thin film pressure sensor by driving the switch button on the scalpel.

2. The surgical knife pressure testing device according to claim 1, characterized in that: The positioning block is provided with a positioning groove for the scalpel to be pressed and positioned, and the positioning block is also provided with a clamping device that can press the scalpel in the positioning groove. The clamping device includes a clamping base fixed on the upper end surface of the positioning block, a rotating rod and a rotating bracket rotatably arranged on the clamping base, a clamping rod rotatably connected to the rotating rod and the rotating bracket, and a clamping block fixed on the rotating bracket and capable of pressing the upper end of the scalpel. The rotating axes of the rotating rod, the clamping rod and the rotating bracket are all arranged perpendicular to the sliding direction of the driving block. A pressing plate is provided on the end of the clamping rod away from the rotating bracket. The clamping block is pressed against the scalpel by pressing down the pressing plate, the rotational coordination of the clamping rod, the rotating bracket and the rotating rod, and the rotational coordination of the rotating bracket, the rotating rod and the clamping base.

3. The surgical knife pressure testing device according to claim 2, characterized in that: The mounting block is provided with a slot for the thin film pressure sensor to pass through, the slot is connected to the sensing slot, one end of the thin film pressure sensor enters the sensing slot after passing through the slot, and a supporting block is also provided on the mounting platform, the supporting block is located between the sensing slot and the positioning slot, and the supporting block is provided with a supporting slot for supporting the knife rod of the scalpel, and the supporting slot extends from one end of the supporting block to the other end of the supporting block along the sliding direction of the driving block.

4. The surgical knife pressure testing device according to claim 3, characterized in that: The test platform is provided with a first slide rail, both ends of the first slide rail are provided with limit blocks, the bottom of the mounting platform is provided with a first slider, the side of the first slider is provided with a locking screw hole, and the locking screw hole is provided with a locking bolt. The mounting platform is set on the test platform through the cooperation and sliding of the first slider and the first slide rail, and is fixed on the test platform through the cooperation of the locking bolt and the locking screw hole. The test platform is also provided with a second slide rail arranged parallel to the first slide rail, and the bottom of the pressure digital display is provided with a second slider corresponding to the second slide rail. The pressure digital display and the driving block are set on the test platform through the cooperation and sliding of the second slider and the second slide rail.

5. The surgical knife pressure testing device according to claim 4, characterized in that: Handles are provided on the side of the positioning block and on an end of the test platform away from the positioning block.

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