Hand-entrapment-preventing endoscope decontamination device
By installing a pressure sensor on the endoscope cleaning and disinfection equipment to monitor the pressure change when the cover plate contacts the sealing strip, and controlling the action of the drive components, the risk of pinching hands is eliminated, and the safety of the equipment is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG WEIGAO HONGRUI MEDICAL TECH CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-07
Smart Images

Figure CN224461674U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of disinfection equipment technology, and more specifically, to a disinfection equipment for an endoscope that prevents hand pinching. Background Technology
[0002] Endoscope cleaning and disinfection machines are core equipment in hospital endoscopy centers, used for the automated cleaning and disinfection of flexible endoscopes (such as gastroscopes and bronchoscopes). Existing equipment mostly uses tempered glass doors, which facilitate observation of the internal cleaning status while meeting sealing and load-bearing requirements. However, the glass doors pose a safety hazard during closing. The equipment automatically closes via electric push rods or hydraulic devices; if the operator's hands are not removed in time, they can easily be caught in the gap between the door and the frame, especially during multitasking or when visibility is obstructed. Currently, mechanical or pressure-contact anti-pinch mechanisms are used, but they are slow to react to non-rigid objects such as clothing and gloves. Furthermore, the pressure change during the final stage of closing, where the glass and adhesive strip are pressed together, can easily lead to misjudgment.
[0003] In conclusion, improving the safety of endoscopic cleaning and disinfection equipment is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content
[0004] In view of this, the purpose of this utility model is to provide an anti-pinch endoscope cleaning and disinfection device, so that the endoscope cleaning and disinfection device has a sensitive anti-pinch function and improves the safety of using the endoscope cleaning and disinfection device.
[0005] To achieve the above objectives, this utility model provides the following technical solution:
[0006] A hand-pinch-proof endoscope cleaning and disinfection device includes:
[0007] A cleaning tank is rotatably mounted with a cover plate. The cleaning tank has an edge protrusion and a sealing strip. When the cover plate contacts the sealing strip, the cleaning tank is sealed.
[0008] A plurality of pressure sensors are evenly distributed on the edge protrusion;
[0009] A drive unit, which is installed in the cleaning tank, is used to control the rotation of the cover plate;
[0010] The controller is installed in the cleaning tank, and the drive unit and several pressure sensors are electrically connected to the controller.
[0011] Furthermore, in this invention, several pressure sensors are located between the sealing strip and the edge protrusion.
[0012] Furthermore, the sealing strip includes a fixing part and a contact part. The contact part is used to seal with the cover plate. The fixing part and the contact part have a non-zero included angle. The edge protrusion is provided with a fixing groove for fixing the fixing part.
[0013] Furthermore, in this invention, a limiting part is provided on the side of the fixing part away from the contact part, for fixing the fixing part in the fixing groove.
[0014] Furthermore, the sealing strip also includes a clamping part arranged parallel to the inner wall of the cleaning tank, and a plurality of pressure sensors are located between the clamping part and the fixing part.
[0015] Furthermore, the contact portion is provided with a buffer cavity extending along the length direction of the sealing strip.
[0016] Furthermore, in this invention, several pressure sensors are placed inside the buffer cavity.
[0017] Furthermore, in this invention, several of the pressure sensors may be pressure sensors with flexible deformation function.
[0018] Furthermore, in this invention, several of the pressure sensors are thin-film flexible pressure sensors.
[0019] Furthermore, in this invention, the driving component is an electric cylinder, one end of which is hinged to the cover plate, and the other end of which is hinged to the cleaning tank.
[0020] The anti-pinch endoscope cleaning and disinfection device provided by this utility model involves hinged one side of a cover plate to one side of a cleaning tank. A drive unit is installed in the cleaning tank to control the rotation of the cover plate, thus opening and closing the cleaning tank. The cleaning tank has an edge protrusion with a sealing strip. When the cover plate contacts the sealing strip, the cleaning tank is sealed, increasing the sealing performance and preventing cleaning fluid splashing. Several pressure sensors are evenly distributed on the edge protrusion. The device also includes a controller installed in the cleaning tank. The drive unit and the pressure sensors are electrically connected to the controller. Several pressure sensors installed on the edge protrusion monitor the pressure when the cover plate contacts the sealing strip and transmit the pressure to the controller in real time. The controller receives and compares the pressure from each pressure sensor. When the controller detects that the pressure difference between several pressure sensors exceeds a preset value, the controller controls the drive to stop the closing action and immediately executes the opening action. This gives the endoscope cleaning and disinfection equipment an anti-pinch effect, improves the safety of the cleaning and disinfection equipment during use, and avoids the situation where pressure changes caused by the pressing of the cover plate and sealing strip are mistaken for foreign objects, thus preventing the door from closing properly and ensuring the normal operation of the system. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the axial structure of the disinfection equipment provided by this utility model;
[0023] Figure 2 A bottom-view axial view of the decontamination equipment provided by this utility model;
[0024] Figure 3 This is a structural schematic diagram of the sensor mounting position provided by this utility model;
[0025] Figure 4 This is a structural schematic diagram of the cross-section of the disinfection equipment provided by this utility model;
[0026] Figure 5 This is a partially enlarged structural diagram of point A provided by this utility model.
[0027] Figures 1-5 In the accompanying drawings, the reference numerals include:
[0028] 1. Cleaning tank; 2. Cover plate; 3. Edge protrusion; 301. Fixing groove; 4. Sealing strip; 401. Fixing part; 402. Contact part; 403. Buffer cavity; 404. Clamping part; 5. Pressure sensor; 6. Drive component. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0030] The core of this utility model is to provide an anti-pinch endoscope cleaning and disinfection device, which enables the endoscope cleaning and disinfection device to have a sensitive anti-pinch function and improves the safety of using the endoscope cleaning and disinfection device.
[0031] Please refer to Figure 1 An anti-pinch endoscope cleaning and disinfection device includes a cleaning tank 1, several pressure sensors 5, a drive unit 6, and a controller. The cleaning tank 1 is rotatably mounted with a cover plate 2. The cleaning tank 1 is provided with an edge protrusion 3, and the edge protrusion 3 is provided with a sealing strip 4. When the cover plate 2 contacts the sealing strip 4, the cleaning tank 1 is sealed. Several pressure sensors 5 are evenly distributed on the edge protrusion 3. The drive unit 6 is installed in the cleaning tank 1 and is used to control the rotation of the cover plate 2. The controller is installed in the cleaning tank 1, and the drive unit 6 and several pressure sensors 5 are electrically connected to the controller.
[0032] It should be noted that in this embodiment of the present invention, the cleaning tank 1 is an integrally formed groove structure, and an edge protrusion 3 is provided at the edge of the groove to increase the strength of its structure.
[0033] In addition, in this embodiment of the invention, the cover plate 2 is made of tempered glass to facilitate observation of the tilting of the inside of the cleaning tank 1.
[0034] Alternatively, in some embodiments, the sealing strip may be made of materials such as rubber or silicone.
[0035] Optionally, in some embodiments, the sealing strip is of continuous length, that is, it is set without interruption with the edge protrusion 3 of the cleaning tank 1, which helps to improve its sealing performance and reduce the overflow of cleaning fluid.
[0036] Optionally, in some embodiments, the controller, pressure sensor 5, and drive unit 6 are all electrically connected to a power source. The controller includes a control board that controls the operation of the drive unit 6 based on the pressure difference from the pressure sensor 5 by pre-entering a program into the control board.
[0037] Optionally, in some embodiments, a limit switch is installed on the cleaning tank 1. The limit switch is electrically connected to the controller. When the cover 2 is fully closed, the limit switch is triggered so that the controller can detect the position of the cover 2.
[0038] In use, one side of the cover plate 2 is hinged to one side of the cleaning tank 1. The drive unit 6 is installed in the cleaning tank 1 to control the rotation of the cover plate 2. That is, the drive unit 6 can control the rotation of the cover plate 2 to realize the opening and closing of the cleaning tank 1. The cleaning tank 1 is provided with an edge protrusion 3, and the edge protrusion 3 is provided with a sealing strip 4. When the cover plate 2 contacts the sealing strip 4, the cleaning tank 1 is closed. The sealing strip 4 increases the sealing performance when the cover plate 2 contacts the cleaning tank 1, preventing the cleaning liquid from splashing. Several pressure sensors 5 are evenly distributed on the edge protrusion 3. The system also includes a controller, which is installed in the cleaning tank 1. The drive unit 6 and the several pressure sensors 5 are all electrically connected to the controller. In other words, by setting up... Several pressure sensors 5 placed on the edge protrusion 3 monitor the pressure when the cover plate 2 and the sealing strip 4 come into contact, and transmit the pressure to the controller in real time. The controller receives and compares the pressure of each pressure sensor 5. When the controller detects that the pressure difference of several pressure sensors 5 exceeds the preset value, the controller controls the drive component 6 to stop the closing action and immediately execute the opening action, so that the endoscope cleaning and disinfection equipment has an anti-pinch effect, improves the safety of the cleaning and disinfection equipment during use, and avoids the situation where the pressure change caused by the pressing of the cover plate 2 and the sealing strip 4 is mistaken for a foreign object, thus preventing the door from closing properly, and ensuring the normal operation of the system.
[0039] Please refer to Figure 3 In some embodiments, there are at least four pressure sensors 5, two of which are respectively located on the two side edge protrusions 3 connected to the hinge position of the cover plate 2 and are named sensor 1 and sensor 2 respectively, and the other two are located on the edge protrusions 3 connected away from the hinge position of the cover plate 2 and are named sensor 3 and sensor 4 respectively.
[0040] Therefore, when in use, under normal conditions, the output current of the drive unit 6 is stable during the closing process of the control cover 2.
[0041] In the first stage of closing: at this time, the cover plate 2 first contacts the two side protrusions 3 connected to the hinge position of the cover plate 2. The controller receives the pressure signals from the sensors 1 and 2 and outputs them synchronously and stably. The pressure difference between the outputs of the sensors 1 and 2 is less than the threshold.
[0042] In the second stage of closing: At this time, the cover plate 2 contacts the edge protrusion 3 connected to the hinge position of the cover plate 2. The sensors 3 and 4 also output stable pressure signals, the pressure difference between them is less than the threshold, and the current of the drive unit 6 does not have abnormal sudden changes.
[0043] In the third stage of closing: the drive unit 6 triggers the "closed in place" limit switch, the door closing is completed, indicating that the cover 2 is closed normally, there are no foreign objects, and no hand or endoscope is caught.
[0044] When the cover plate 2 is closed, if an arm or foreign object is present at the position of sensor 1 or sensor 2, the current signal of the drive unit 6 surges, and there is no pressure signal at sensor 3 and sensor 4. At the same time, the pressure difference between the pressure signals of sensor 1 and sensor 2 exceeds the threshold. At this time, the controller determines that there is a foreign object and quickly reverses the drive unit 6 to lift the cover plate 2 to avoid injury.
[0045] When cover 2 is closed, if there is an arm or foreign object in sensors 3 and 4, the current signal of drive 6 surges, and the pressure difference between sensors 3 and 4 exceeds the threshold. At this time, the controller determines that there is a foreign object and quickly reverses drive 6 to lift cover 2 to avoid pinching injury.
[0046] Please refer to Figure 5 In some embodiments, several pressure sensors 5 are located between the sealing strip 4 and the edge protrusion 3. That is, the pressure sensors 5 are placed below the sealing strip 4. Therefore, the sealing strip 4 protects the pressure sensors 5 during use, preventing them from being corroded by cleaning fluid and greatly extending the service life of the pressure sensors 5.
[0047] Please refer to Figure 5 In some embodiments, the sealing strip 4 includes a fixing part 401 and a contact part 402. The contact part 402 is used to seal with the cover plate 2. The fixing part 401 and the contact part 402 have a non-zero included angle. The edge protrusion 3 is provided with a fixing groove 301 for inserting the fixing part 401. That is, the cross-section of the sealing strip 4 is an L-shaped or T-shaped structure. By inserting the fixing part 401 into the fixing groove 301, the sealing strip 4 is fixed to the cleaning tank 1 as a whole, ensuring the firmness of the sealing strip 4 during use.
[0048] Optionally, in some embodiments, an interference fit may be used between the fixing part 401 and the fixing groove 301 to further enhance the firmness of the sealing strip 4.
[0049] Optionally, in some embodiments, a limiting part is provided on the side of the fixing part 401 away from the contact part 402, so that the fixing part 401 is fixed in the fixing groove 301. The limiting part is a protrusion protruding from the surface of the fixing part 401. The contact area with the fixing groove 301 is increased by the compression deformation of the limiting part, thereby improving the fixing firmness of the limiting part.
[0050] Optionally, in some embodiments, the bottom of the fixing groove 301 is provided with a limiting groove at an angle to it. When the fixing part 401 is fully inserted into the fixing groove 301, the limiting part enters the limiting groove, thereby enhancing the firmness of fixing the sealing strip 4.
[0051] In the above embodiments, the limiting groove and the fixing groove 301 are arranged at a right angle or less than a right angle, which can greatly enhance the firmness of the sealing strip 4.
[0052] Please refer to Figure 5 In some embodiments, the sealing strip 4 also includes a clamping part 404 arranged parallel to the inner wall of the cleaning tank 1. That is, through the cooperation of the clamping part 404 and the fixing part 401, the sealing strip 4 is clamped to the cleaning tank 1, and the clamping part 404 contacts the inside of the cleaning tank 1, thus increasing the difficulty of cleaning liquid overflow and effectively preventing the overflow of cleaning liquid.
[0053] In the above embodiment, several pressure sensors 5 are located between the clamping part 404 and the fixing part 401. That is, by placing the pressure sensor 5 between the clamping part 404 and the fixing part 401, the protection effect of the pressure sensor 5 can be further enhanced under the protection of the clamping part 404, ensuring the performance of the pressure sensor 5 while avoiding corrosion of the pressure sensor 5 by the cleaning fluid, and effectively improving the service life of the pressure sensor 5.
[0054] Please refer to Figure 5 In some embodiments, the contact portion 402 is provided with a buffer cavity 403 extending along the length of the sealing strip 4. The buffer cavity 403 can increase the buffering force when the cover plate 2 contacts the sealing strip 4, and at the same time provide the pre-tightening force when the sealing strip 4 contacts the cover plate 2, thereby improving the sealing performance of the sealing strip 4 during use.
[0055] Optionally, in some embodiments, several pressure sensors 5 are placed inside the buffer cavity 403, which can further increase the protection effect of the pressure sensors 5 and prevent the pressure sensors 5 from being corroded by the cleaning fluid.
[0056] Optionally, in some embodiments, several pressure sensors 5 may be pressure sensors 5 with flexible functions. The flexible pressure sensors 5 can increase the fit with the sealing strip 4, thereby improving the stability of the pressure sensor 5 detection signal.
[0057] Optionally, in some embodiments, several pressure sensors 5 are thin-film flexible pressure sensors 5. The thin-film flexible pressure sensor 5 is a device made of flexible material that can convert external pressure signals into electrical signals. It has the characteristics of being thin, flexible, and highly sensitive.
[0058] Please refer to Figure 1 In some embodiments, the driving component 6 is an electric cylinder, one end of which is hinged to the cover plate 2 and the other end of which is hinged to the cleaning tank 1. That is, the opening and closing of the cover plate 2 is controlled by the extension and retraction of the electric cylinder as the driving component 6.
[0059] In the above embodiment, the middle part of the cover plate 2 is hinged to the cleaning tank 1, so the protruding end of the electric cylinder is hinged to one end of the cover plate 2.
[0060] In other embodiments, the drive unit 6 may be a cylinder or a hydraulic cylinder, with one end of the cylinder or hydraulic cylinder hinged to the cover plate 2 and the other end of the cylinder or hydraulic cylinder hinged to the cleaning tank 1. The opening and closing of the cover plate 2 is controlled by the extension and retraction of the cylinder or hydraulic cylinder.
[0061] In other embodiments, the drive element 6 may be a motor, specifically, the motor is mounted on the cleaning tank 1 and is used to control the rotation of the cover plate 2.
[0062] In other words, the key point of this utility model is: to increase the sealing performance of the cover plate 2 when it contacts the cleaning tank 1 by means of the sealing strip 4, so as to avoid splashing of cleaning fluid; to include several pressure sensors 5 evenly distributed on the edge protrusion 3; to include a controller and install it on the cleaning tank 1; and to include the drive component 6 and the several pressure sensors 5 electrically connected to the controller. That is, the pressure of the cover plate 2 when it contacts the sealing strip 4 is monitored by the several pressure sensors 5 set on the edge protrusion 3, and the pressure is transmitted to the controller in real time. The controller receives and compares the pressure of each pressure sensor 5. When the controller detects that the pressure difference of several pressure sensors 5 exceeds the preset value, the controller controls the drive component 6 to stop the closing action and immediately execute the opening action, so that the endoscope cleaning and disinfection equipment has an anti-pinch effect, improves the safety of the cleaning and disinfection equipment during use, and avoids the situation where the pressure change caused by the pressing of the cover plate 2 and the sealing strip 4 is mistakenly judged as a foreign object, thus preventing the door from closing properly, and ensuring the normal operation of the system.
[0063] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0064] The above provides a detailed description of the anti-pinch endoscope cleaning and disinfection device provided by this utility model. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core idea of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.
Claims
1. A hand-pinch-proof endoscope cleaning and disinfection device, characterized in that, include: A cleaning tank (1) is rotatably mounted with a cover plate (2). The cleaning tank (1) is provided with an edge protrusion (3) and a sealing strip (4) is provided on the edge protrusion (3). When the cover plate (2) contacts the sealing strip (4), the cleaning tank (1) is sealed. A plurality of pressure sensors (5) are evenly distributed on the edge protrusion (3); A drive unit (6) is installed in the cleaning tank (1) and is used to control the rotation of the cover plate (2); The controller is installed in the cleaning tank (1), and the drive unit (6) and several pressure sensors (5) are electrically connected to the controller.
2. The anti-pinch endoscope cleaning and disinfection device according to claim 1, characterized in that, Several of the pressure sensors (5) are located between the sealing strip (4) and the edge protrusion (3).
3. The anti-pinch endoscope cleaning and disinfection device according to claim 1, characterized in that, The sealing strip (4) includes a fixing part (401) and a contact part (402). The contact part (402) is used to contact and seal with the cover plate (2). The fixing part (401) and the contact part (402) have a non-zero included angle. The edge protrusion (3) is provided with a fixing groove (301) for fixing the fixing part (401).
4. The anti-pinch endoscope cleaning and disinfection device according to claim 3, characterized in that, The fixing part (401) is provided with a limiting part on the side away from the contact part (402) for fixing the fixing part (401) in the fixing groove (301).
5. The anti-pinch endoscope cleaning and disinfection device according to claim 4, characterized in that, The sealing strip (4) also includes a clamping part (404) arranged parallel to the inner wall of the cleaning tank (1), and several pressure sensors (5) are located between the clamping part (404) and the fixing part (401).
6. The anti-pinch endoscope cleaning and disinfection device according to claim 3, characterized in that, The contact portion (402) is provided with a buffer cavity (403) extending along the length direction of the sealing strip (4).
7. The anti-pinch endoscope cleaning and disinfection device according to claim 6, characterized in that, Several of the pressure sensors (5) are placed inside the buffer cavity (403).
8. The anti-pinch endoscope cleaning and disinfection device according to any one of claims 1-7, characterized in that, Several of the pressure sensors (5) are pressure sensors with flexible deformation function.
9. The anti-pinch endoscope cleaning and disinfection device according to claim 8, characterized in that, Several of the pressure sensors (5) are thin-film flexible pressure sensors.
10. The anti-pinch endoscope cleaning and disinfection device according to claim 9, characterized in that, The driving component (6) is an electric cylinder, one end of which is hinged to the cover plate (2), and the other end of which is hinged to the cleaning tank (1).