Disinfection device and method for automatically replacing drainage bag

Abstract

The invention relates to the technical field of disinfection devices, in particular to a disinfection device and method for automatically replacing a drainage bag. The disinfection device comprises an automatic replacement frame, a feeding mechanism is arranged at the bottom end in the automatic replacement frame, a replacement mechanism is arranged on one side of the automatic replacement frame, and a clamping mechanism is arranged on one side of the replacement mechanism; the feeding mechanism comprises two fixing frames fixedly connected with one side of the bottom end of the interior of the automatic replacement frame, and when the drainage bag is automatically replaced, a second clamping cylinder is closed after being close to a first clamping cylinder; then a first telescopic spring in a first clamping barrel elastically stretches out and draws back to push a first butt joint barrel in a limiting ring, an extrusion block in a second clamping barrel is jacked through the first butt joint barrel, the extrusion block inwards shrinks under stretching out and drawing back of a second telescopic spring, an opening of a liquid conveying groove in the second clamping barrel is exposed, and meanwhile a liquid outlet hole and the liquid conveying groove are aligned; and drainage is carried out.

Description

Technical Field

[0001] The invention relates to the technical field of disinfection devices, and in particular to a disinfection device and method for automatically replacing a drainage bag. Background Art

[0002] A drainage bag generally refers to a transparent plastic bag at the end of the drainage tube that is used to hold the drained fluid after surgery, during which bleeding, fluid accumulation, etc. deep inside the body or in a local area need to be drained out using a tube.

[0003] Among them, the "integrated low-negative pressure abdominal drainage device" disclosed in the application number "CN11506626B" is also an increasingly mature technology, which "includes a fixed frame and a low-negative pressure suction device arranged on the fixed frame, a plurality of drainage bottles are connected to the bottom of the low-negative pressure suction device, and the plurality of drainage bottles are connected to a waste liquid treatment device; the waste liquid treatment device includes a waste liquid bag, a liquid outlet is arranged at the bottom of the drainage bottle, the waste liquid bag is connected to the liquid outlet through a connecting component, a puncture component is arranged on the drainage bottle, one side of the bottom end of the puncture component is placed in the drainage bottle, and the puncture component is movably connected to the connecting component. The present invention performs initial disinfection of the drainage liquid through the waste liquid treatment device, and the cleaning process is safer; when the liquid in the drainage bottle reaches the specified capacity, the alarm mechanism sounds an alarm to prompt medical staff to clean it; the limiting component and the pushing component are used to limit the position, so that the waste liquid treatment device can be replaced conveniently.

[0004] Replacing the drainage bag is a common surgical operation in clinical practice. Nurses are required to evaluate the drainage situation and separate the drainage bag. Three cotton swabs are disinfected and then connected to a new drainage bag. The sterility requirements are relatively high. At the same time, the drainage needs to be observed after the replacement, which increases the nursing burden. At the same time, the drainage interface will be contaminated by pollutants during the manual replacement of the drainage bag, and the new drainage bag cannot be automatically connected. Manual assistance is required for replacement or installation, and the interface cannot be disinfected.

[0005] Therefore, it is necessary to provide a disinfection device and method for automatically replacing a drainage bag to solve the above problems. Summary of the invention

[0006] In view of the deficiencies of the prior art, the present invention provides a disinfection device and method for automatically replacing a drainage bag, which solves the problems raised in the background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a disinfection device for automatically replacing drainage bags, comprising an automatic replacement rack, a feeding mechanism is provided at the inner bottom end of the automatic replacement rack, a replacement mechanism is provided on one side of the automatic replacement rack, a locking mechanism is provided on one side of the replacement mechanism, and a sterilization mechanism is provided on one side of the locking mechanism.

[0008] Preferably, the feeding mechanism includes two fixed frames fixedly connected to one side of the bottom end of the automatic changing frame, a plurality of placement slots are fixedly installed on the top of each of the fixed frames, a first electric telescopic rod is fixedly connected to the inside of the placement slot, the telescopic end of the first electric telescopic rod is fixedly connected to a push plate, slide rails are fixedly connected to the two sides of the automatic changing frame, a feeding frame is slidably connected to one side of the slide rail, rollers are movably connected to both ends of the feeding frame, turntables are movably connected to both ends of the rollers, a feeding belt is transmission-connected between the outer sides of the turntable, a first driving motor is fixedly connected to one side of the bottom of the feeding frame, a driving end of the first driving motor is transmission-connected to the main turntable, the outer side of the main turntable is transmission-connected to the feeding belt, and a second electric telescopic rod is fixedly connected to the bottom end of the first driving motor.

[0009] Preferably, the replacement mechanism includes a second driving motor fixedly connected to one side of the automatic replacement frame, the transmission end of the second driving motor is fixedly connected to the replacement turntable, the surface of the replacement turntable is provided with a plurality of slots, the inner side of each slot is fixedly connected to a fixing seat, one side of the fixing seat is fixedly connected to a first clamping block, a second clamping block is arranged at a corresponding position of the first clamping block, the bottom end of the second clamping block is fixedly connected to an L-shaped fixing frame, one side of the L-shaped fixing frame is fixedly connected to two guide rods, the outer sides of the two guide rods are interlaced and connected with the mounting blocks fixedly installed at the bottom of the slots, the outer sides of the guide rods are sleeved with telescopic springs, and a drainage bag is clamped between the inner sides of the second clamping block and the first clamping block.

[0010] Preferably, the clamping mechanism includes a first clamping tube fixedly connected to one side of the drainage bag, a limiting ring is fixedly connected to the inside of the first clamping tube, a first docking tube is inserted on the inner side of the limiting ring, a first telescopic spring is sleeved on the outer side of the first docking tube, a liquid outlet is provided at one end of the first docking tube, a second clamping tube is provided at the second corresponding position of the first clamping tube, an extrusion block is provided at one end of the second clamping tube, a second telescopic spring is fixedly connected to one side of the extrusion block, and infusion channels are provided on both sides of the second clamping tube.

[0011] Preferably, the sterilization mechanism includes a third electric telescopic rod fixedly connected to one side of the automatic replacement rack, the telescopic end of the third electric telescopic rod is installed with a sterilization frame, the top side of the sterilization frame is fixedly connected to a first servo motor, the transmission end of the first servo motor is fixedly connected to a small main turntable, the outer side of the small main turntable is transmission-connected to a conductive belt, one side of the sterilization frame is fixedly connected to a guide rod, the outer side of the guide rod is interspersed with a moving block, the top of the moving block is fixedly connected to the conductive belt, the inner side of the moving block is fixedly connected to a sterilization wiping sponge, and one end of the conductive belt is transmission-connected to the outer side of the small slave turntable.

[0012] A method for automatically replacing a drainage bag and disinfecting it, comprising the above-mentioned disinfection device for automatically replacing a drainage bag, comprises the following steps:

[0013] Step 1: Arrange and place several drainage bags in the placement slots on the two-layer fixed racks. When the drainage bags need to be replaced, the used drainage bags on the replacement mechanism are disengaged from the interface through the locking mechanism, and the replacement turntable is rotated to drive the new drainage bag to the interface alignment position on the sterilization mechanism;

[0014] Step 2: sterilize the interface by using the sterilization sponge on the sterilization mechanism, so that the new drainage bag is engaged with the interface and installed;

[0015] Step three, replenish the drainage bag at the vacant position on the replacement mechanism through the feeding mechanism, transport it to the vacant position on the replacement turntable through the feeding mechanism, and engage the drainage bag between the first engaging block and the second engaging block to complete the automatic replacement of the drainage bag.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention provides a disinfection device and method for automatically replacing a drainage bag:

[0018] 1. After the interface is automatically disinfected, a new drainage bag is connected to avoid contamination. The first servo motor, the small main turntable, and the conductive belt cooperate to rotate, thereby driving the transmission moving block on the guide rod to slide left and right, so that the movement of the moving block drives the sterilization wiping sponge to wipe and disinfect the interface on the locking mechanism. The third electric telescopic rod is arranged to drive the locking mechanism on the sterilization frame to close or separate from the drainage bag interface.

[0019] 2. When the drainage bag is automatically replaced, the second clamping tube is closed after approaching the first clamping tube, and then the first telescopic spring inside the first clamping tube is elastically extended and retracted to push the first docking tube inside the limiting ring, and the first docking tube pushes the extrusion block inside the second clamping tube, which contracts inwardly under the extension and retraction of the second telescopic spring to expose the infusion channel opening inside the second clamping tube, and at the same time, the liquid outlet and the infusion channel are aligned for drainage.

[0020] 3. When replacing the drainage bag, the rotation of the second driving motor drives the replacement turntable to rotate, so that the replacement turntable is rotated and replaced during the rotation of the replacement turntable. When fixing the drainage bag, the L-shaped fixing frame at one end of the guide rod is pulled by the telescopic spring on the guide rod, so that the second clamping block and the first clamping block on the L-shaped fixing frame are opened and closed, thereby facilitating the fixation of the drainage bag, thereby facilitating the automatic separation and connection of the drainage bag opening and facilitating the use of drainage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is one of the structural schematic diagrams of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the second electric telescopic rod of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of a first electric telescopic rod of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the engaging mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the sterilization mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of the replacement mechanism of the present invention;

[0028] Figure 8 It is a schematic diagram of the slotting structure of the present invention;

[0029] Fig. 9 It is a schematic diagram of the limit ring structure of the present invention.

[0030] In the figure: 1, automatic changing rack; 2, feeding mechanism; 201, fixed rack; 202, placement slot; 203, first electric telescopic rod; 204, push plate; 205, slide rail; 206, feeding rack; 207, roller; 208, turntable; 209, feeding belt; 2010, first driving motor; 2011, main turntable; 2012, second electric telescopic rod;

[0031] 3. Replacement mechanism; 301. Second drive motor; 302. Replacement of turntable; 303. Slotting; 304. Fixing seat; 305. First engaging block; 306. Second engaging block; 307. L-shaped fixing bracket; 308. Guide rod; 309. Mounting block; 3010. Telescopic spring;

[0032] 4. Clamping mechanism; 401. First clamping tube; 402. Limiting ring; 403. First docking tube; 404. First telescopic spring; 405. Liquid outlet; 406. Second clamping tube; 407. Extrusion block; 408. Second telescopic spring; 409. Infusion channel;

[0033] 5. Sterilization mechanism; 501. The third electric telescopic rod; 502. The sterilization frame; 503. The first servo motor; 504. The small main turntable; 505. The conductive belt; 506. The guide rod; 507. The moving block; 508. The sterilization wiping sponge; 509. The small slave turntable. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0036] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figure 1-Figure 9 As shown, the present invention proposes a disinfection device for automatically replacing drainage bags, including an automatic replacement rack 1, a feeding mechanism 2 is arranged at the inner bottom end of the automatic replacement rack 1, a replacement mechanism 3 is arranged on one side of the automatic replacement rack 1, a locking mechanism 4 is arranged on one side of the replacement mechanism 3, and a sterilization mechanism 5 is arranged on one side of the locking mechanism 4.

[0039] The feeding mechanism 2 includes two fixed frames 201 fixedly connected to one side of the bottom end inside the automatic changing frame 1, and a plurality of placement slots 202 are fixedly installed on the top of each fixed frame 201, and a first electric telescopic rod 203 is fixedly connected inside the placement slot 202, and a push plate 204 is fixedly connected to the telescopic end of the first electric telescopic rod 203, and a slide rail 205 is fixedly connected to both sides of the automatic changing frame 1, and a feeding frame 206 is slidably connected to one side of the slide rail 205, and rollers 207 are movably connected to both ends of the feeding frame 206, and a turntable 208 is movably connected to both ends of the roller 207, and a feeding belt 209 is transmission-connected between the outer sides of the turntable 208, and a first driving motor 2010 is fixedly connected to one side of the bottom of the feeding frame 206, and the driving end of the first driving motor 2010 is transmission-connected to the main turntable 2011, and the outer side of the main turntable 2011 is transmission-connected to the feeding belt 209, and the bottom end of the first driving motor 2010 is fixedly connected to the second electric telescopic rod 2012.

[0040] During specific use, when the drainage bag is automatically replaced, in order to facilitate replacement, a plurality of drainage bags are stored in the placement slot 202 through the two-layer fixed frame 201. During replacement, the push plate 204 is pushed by the extension of the corresponding first electric telescopic rod 203, so that the push plate 204 pushes the drainage bag out of the placement slot 202, and the feeding rack 206 is pushed by the extension of the second electric telescopic rod 2012 to lift the horizontal height, so that it is convenient to be parallel to one of the fixed frames 201, so that the unused drainage bag is pushed onto the feeding belt 209, and then the feeding rack 206 is adjusted to be horizontally aligned with the replacement mechanism 3 through the extension of the second electric telescopic rod 2012, and the main turntable 2011 is driven to rotate by the rotation of the first driving motor 2010, so that the main turntable 2011 drives the feeding belt 209 to rotate in the process of rotation with the cooperation of the two sets of turntables 208, so that the drainage bag is conveniently transported to the replacement mechanism 3 for installation and use of a new drainage bag.

[0041] The replacement mechanism 3 includes a second drive motor 301 fixedly connected to one side of the automatic replacement frame 1, and the transmission end of the second drive motor 301 is fixedly connected to a replacement turntable 302. A plurality of slots 303 are provided on the surface of the replacement turntable 302. A fixing seat 304 is fixedly connected to one side of each slot 303. A first engaging block 305 is fixedly connected to one side of the fixing seat 304. A second engaging block 306 is arranged at a corresponding position of the first engaging block 305. An L-shaped fixing frame 307 is fixedly connected to the bottom end of the second engaging block 306. Two guide rods 308 are fixedly connected to one side of the L-shaped fixing frame 307. The outer sides of the two guide rods 308 are interlaced and connected with a mounting block 309 fixedly installed at the bottom of the slot 303. A telescopic spring 3010 is sleeved on the outer side of the guide rod 308. A drainage bag is engaged between the second engaging block 306 and the inner side of the first engaging block 305.

[0042] During specific use, when replacing the drainage bag, the rotation of the second driving motor 301 drives the replacement turntable 302 to rotate, so that the replacement turntable 302 is rotated and replaced during the rotation of the replacement turntable 302. When fixing the drainage bag, the telescopic spring 3010 on the guide rod 308 pulls the L-shaped fixing frame 307 at one end of the guide rod 308, so that the second locking block 306 and the first locking block 305 on the L-shaped fixing frame 307 are opened and closed, thereby facilitating the fixation of the drainage bag, thereby facilitating the automatic separation and connection of the drainage bag mouth and facilitating drainage use.

[0043] The clamping mechanism 4 includes a first clamping tube 401 fixedly connected to one side of the drainage bag, a limiting ring 402 fixedly connected inside the first clamping tube 401, a first docking tube 403 is inserted on the inner side of the limiting ring 402, a first telescopic spring 404 is sleeved on the outer side of the first docking tube 403, a liquid outlet 405 is provided at one end of the first docking tube 403, a second clamping tube 406 is provided at the second corresponding position of the first clamping tube 401, an extrusion block 407 is provided at one end of the second clamping tube 406, a second telescopic spring 408 is fixedly connected to one side of the extrusion block 407, and infusion channels 409 are provided on both sides of the second clamping tube 406.

[0044] During specific use, when the drainage bag is automatically replaced, the second clamping tube 406 is closed after approaching the first clamping tube 401, and then the first telescopic spring 404 inside the first clamping tube 401 is elastically stretched to push the first docking tube 403 inside the limiting ring 402, and the first docking tube 403 pushes the extrusion block 407 inside the second clamping tube 406, which shrinks inwardly under the expansion and contraction of the second telescopic spring 408 to expose the infusion channel opening inside the second clamping tube 406, and at the same time, the liquid outlet 405 is aligned with the infusion channel 409 for drainage.

[0045] The sterilization mechanism 5 includes a third electric telescopic rod 501 fixedly connected to one side of the automatic replacement rack 1, a sterilization frame 502 is installed on the telescopic end of the third electric telescopic rod 501, a first servo motor 503 is fixedly connected to one side of the top of the sterilization frame 502, a transmission end of the first servo motor 503 is fixedly connected to a small main turntable 504, the outer side of the small main turntable 504 is transmission-connected to a conductive belt 505, a guide rod 506 is fixedly connected to one side of the sterilization frame 502, a moving block 507 is inserted and connected to the outer side of the guide rod 506, the top of the moving block 507 is fixedly connected to the conductive belt 505, the inner side of the moving block 507 is fixedly connected to a sterilization wiping sponge 508, and one end of the conductive belt 505 is transmission-connected to the outer side of a small slave turntable 509.

[0046] During specific use, the interface is automatically disinfected and a new drainage bag is connected to avoid contamination. The rotation of the first servo motor 503 drives the small main turntable 504 to rotate, and the rotation of the small main turntable 504 drives the conductive belt 505 to rotate, thereby facilitating the transmission moving block 507 on the guide rod 506 to slide left and right. The movement of the moving block 507 drives the sterilization wiping sponge 508 to wipe and disinfect the interface on the locking mechanism 4. The third electric telescopic rod 501 is arranged to facilitate the closing or separation of the locking mechanism 4 on the sterilization frame 502 and the drainage bag interface.

[0047] A method for automatically replacing a drainage bag and disinfecting the drainage bag comprises the following steps:

[0048] Step 1: Arrange and place a plurality of drainage bags in the placement slots 202 on the two-layer fixed rack 201. When the drainage bag needs to be replaced, the used drainage bag on the replacement mechanism 3 is disengaged from the interface through the locking mechanism 4, and the replacement turntable 302 is rotated to drive the new drainage bag to the interface alignment position on the sterilization mechanism 5;

[0049] Step 2: The interface is disinfected and sterilized by the sterilization sponge 508 on the sterilization mechanism 5, so that the new drainage bag is engaged and installed with the interface;

[0050] Step three, replenish the drainage bag at the vacant position on the replacement mechanism 3 through the feeding mechanism 2, transport it to the vacant position on the replacement turntable 302 through the feeding mechanism 2, and engage the drainage bag between the first engaging block 305 and the second engaging block 306 to complete the automatic replacement of the drainage bag.

[0051] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0052] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A disinfection device for automatically replacing a drainage bag, comprising an automatic replacement rack (1), characterized in that: A feeding mechanism (2) is provided at the inner bottom end of the automatic replacement rack (1), a replacement mechanism (3) is provided on one side of the automatic replacement rack (1), a locking mechanism (4) is provided on one side of the replacement mechanism (3), and a sterilization mechanism (5) is provided on one side of the locking mechanism (4).

2. The disinfection device for automatically replacing drainage bags according to claim 1, characterized in that: The feeding mechanism (2) comprises two fixed frames (201) fixedly connected to one side of the bottom end of the automatic changing frame (1); a plurality of placement slots (202) are fixedly installed on the top of each of the fixed frames (201); a first electric telescopic rod (203) is fixedly connected to the inside of the placement slot (202); a push plate (204) is fixedly connected to the telescopic end of the first electric telescopic rod (203); slide rails (205) are fixedly connected to both sides of the inside of the automatic changing frame (1); a feeding frame (206) is slidably connected to one side of the slide rail (205); rollers (207) are movably connected to both ends of the feeding frame (206); and a rotating disk (208) is movably connected to both ends of the rotating roller (207).

3. A disinfection device for automatically replacing a drainage bag according to claim 2, characterized in that: A feeding belt (209) is transmission-connected between the outer sides of the turntable (208), a first driving motor (2010) is fixedly connected to one side of the bottom of the feeding frame (206), a driving end of the first driving motor (2010) is transmission-connected to a main turntable (2011), the outer side of the main turntable (2011) is transmission-connected to the feeding belt (209), and a second electric telescopic rod (2012) is fixedly connected to the bottom end of the first driving motor (2010).

4. The disinfection device for automatically replacing drainage bags according to claim 1, characterized in that: The replacement mechanism (3) comprises a second drive motor (301) fixedly connected to one side of the automatic replacement frame (1); a transmission end of the second drive motor (301) is fixedly connected to a replacement turntable (302); a surface of the replacement turntable (302) is provided with a plurality of slots (303); a fixed seat (304) is fixedly connected to one side of the interior of each slot (303); a first engaging block (305) is fixedly connected to one side of the fixing seat (304); a corresponding position of the first engaging block (305) is provided A second engaging block (306) is provided, the bottom end of the second engaging block (306) is fixedly connected to an L-shaped fixing frame (307), one side of the L-shaped fixing frame (307) is fixedly connected to two guide rods (308), the outer sides of the two guide rods (308) are interlaced with a mounting block (309) fixedly installed at the bottom of the slot (303), the outer sides of the guide rods (308) are sleeved with a telescopic spring (3010), and a drainage bag is engaged between the second engaging block (306) and the inner side of the first engaging block (305).

5. The disinfection device for automatically replacing drainage bags according to claim 1, characterized in that: The clamping mechanism (4) comprises a first clamping tube (401) fixedly connected to one side of the drainage bag, a limiting ring (402) fixedly connected inside the first clamping tube (401), a first docking tube (403) inserted inside the limiting ring (402), a first telescopic spring (404) sleeved outside the first docking tube (403), a liquid outlet (405) provided at one end of the first docking tube (403), a second clamping tube (406) provided at a second corresponding position of the first clamping tube (401), an extrusion block (407) provided at one end of the second clamping tube (406), a second telescopic spring (408) fixedly connected to one side of the extrusion block (407), and infusion channels (409) provided on both sides of the second clamping tube (406).

6. The disinfection device for automatically replacing drainage bags according to claim 1, characterized in that: The sterilization mechanism (5) comprises a third electric telescopic rod (501) fixedly connected to one side of the automatic replacement frame (1); a sterilization frame (502) is installed on the telescopic end of the third electric telescopic rod (501); a first servo motor (503) is fixedly connected to one side of the top of the sterilization frame (502); a small main turntable (504) is fixedly connected to the driving end of the first servo motor (503); a conductive belt (505) is transmission-connected to the outer side of the small main turntable (504); and a guide rod (506) is fixedly connected to one side of the sterilization frame (502).

7. A disinfection device for automatically replacing a drainage bag according to claim 6, characterized in that: A moving block (507) is inserted and connected to the outer side of the guide rod (506), the top of the moving block (507) is fixedly connected to the conductive belt (505), the inner side of the moving block (507) is fixedly connected to a sterilizing wiping sponge (508), and one end of the conductive belt (505) is transmission-connected to the outer side of the small rotating disk (509).

8. A method for automatically replacing a drainage bag, comprising the disinfection device for automatically replacing a drainage bag as described in 1-7 above, characterized in that: The steps include: Step 1: Arrange and place a plurality of drainage bags in the placement slots (202) on the two-layer fixed racks (201); when the drainage bags need to be replaced, the used drainage bags on the replacement mechanism (3) are disengaged from the interface through the locking mechanism (4), and the replacement turntable (302) is rotated to drive the new drainage bag to the interface alignment position on the sterilization mechanism (5); Step 2: The interface is disinfected and sterilized by using the sterilization wiping sponge (508) on the sterilization mechanism (5), so that a new drainage bag is engaged and installed with the interface; Step three: replenish the drainage bag at the vacant position on the replacement mechanism (3) through the feeding mechanism (2), transport it to the vacant position on the replacement turntable (302) through the feeding mechanism (2), and engage the drainage bag between the first engaging block (305) and the second engaging block (306), thereby completing the automatic replacement of the drainage bag.

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