A medical surgical instrument sterilization and disinfection device

Abstract

The present invention relates to the technical field of disinfection devices, and specifically to a medical surgical instrument sterilization and disinfection device, comprising a sealing cylinder and a sealing cover connected to the upper end of the sealing cylinder, a receiving basket is provided in the sealing cylinder, the receiving basket is used to place the instrument to be disinfected, a support frame is provided in the sealing cylinder, the support frame comprises at least three supporting columns with axes extending in the up-down direction, a plurality of receiving baskets can be sleeved on the supporting column, the plurality of receiving baskets are evenly spaced along the axial direction of the supporting column, the outer periphery of the receiving basket is provided with a connecting sleeve corresponding to the supporting column, each connecting sleeve of each receiving basket is movably installed on the supporting column from the upper end of each supporting column, and a locking mechanism for locking the receiving basket at a set position is provided between the connecting sleeve and the supporting column. The present invention solves the technical problem in the prior art that the instruments to be disinfected cannot be evenly distributed, thus affecting the disinfection efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of disinfection devices, and in particular to a sterilization and disinfection device for medical surgical instruments. Background Art

[0002] In the field of hygiene, high-pressure steam sterilizers are usually used to sterilize medical devices. The sterilization method using high temperature and high pressure can not only kill general bacteria, fungi and other microorganisms, but also spores and spores. It is the most reliable and most commonly used physical sterilization method, mainly used for sterilization of items that can withstand high temperatures, such as culture media, metal instruments, glass, enamel, dressings, rubber and some drugs.

[0003] There are many types and styles of high-pressure steam sterilizers, such as: ① Downward exhaust pressure steam sterilizer is a commonly used sterilization equipment, the pressure rise is 103.4kPa (1.05kg / cm 2 ), the temperature reaches 121.3℃, maintain for 15 to 20 minutes, can achieve the purpose of sterilization, ② Pulsating vacuum pressure steam sterilizer has become the most advanced sterilization equipment, sterilization conditions require: steam pressure 205.8kPa (2.1kg / cm 2 ), the temperature reaches above 132℃ and is maintained for 10 minutes, which can kill all microorganisms including spores and spores with tenacious resistance.

[0004] However, in the prior art, due to the variety of medical surgical instruments and different sizes, they often need to be mixed and placed in a high-pressure steam sterilization device for high-temperature sterilization, which often causes serious accumulation in a certain area of ​​the equipment space, while there are no instruments in some areas, resulting in low space utilization of the equipment. At the same time, the uneven density of instruments will also reduce the sterilization efficiency. Summary of the invention

[0005] In order to overcome the deficiencies of the prior art, the present invention proposes a medical surgical instrument sterilization and disinfection device to solve the technical problems of low space utilization and low sterilization efficiency of the high-pressure steam sterilizer in the prior art.

[0006] A medical surgical instrument sterilization and disinfection device of the present invention adopts the following technical solution:

[0007] A medical surgical instrument sterilization and disinfection device comprises a sealing cylinder and a sealing cover connected to the upper end of the sealing cylinder, wherein a receiving basket is arranged inside the sealing cylinder, and the receiving basket is used to place instruments to be sterilized, and a support frame is arranged inside the sealing cylinder, and the support frame comprises at least three support columns with axes extending in the up-down direction, and a plurality of receiving baskets can be sleeved on the support columns, and the plurality of receiving baskets are evenly spaced along the axial direction of the support columns, and the outer periphery of the receiving baskets is provided with connecting sleeves corresponding to the supporting columns one by one, and each connecting sleeve of each receiving basket is movably installed on the supporting column from the upper end of each supporting column, and a locking mechanism for locking the receiving basket at a set position is provided between the connecting sleeve and the support column.

[0008] Furthermore, each of the support columns comprises a plurality of support sleeves, which are connected end to end in sequence along the up-down direction, and two adjacent support sleeves can rotate relative to each other. A torsion spring is arranged between the two adjacent support sleeves, and the two ends of the torsion spring are respectively connected to the two adjacent support sleeves. When the uppermost support sleeve is rotated, the support sleeves below are driven to rotate around their own axes. The rotation angles of the support sleeves are different, and the rotation angles of the support sleeves gradually decrease from top to bottom. A sliding groove extending along the up-down direction is respectively provided on the side wall of each support sleeve, and a rotating sleeve is rotatably installed in the connecting sleeve, and a slider is provided on the inner wall of the rotating sleeve, and the slider can slide along the sliding groove of a support sleeve. The groove slides downward into the slide groove of the next support sleeve, and each support sleeve has a side wall provided with a first guide curved surface on opposite sides of the upper end of the slide groove, and the first guide curved surface is used to guide the slider to slide into the slide groove, and the locking mechanism includes a locking tongue that is movably arranged on the inner wall of the rotating sleeve along the radial direction of the rotating sleeve, and the position of the locking tongue in the circumferential direction of the rotating sleeve corresponds to the position of the slider. In the initial state, the locking tongue contracts to enable the receiving basket to slide downward along the support column. When the receiving basket slides downward along the support column to the set position, the locking tongue extends inward along the radial direction of the rotating sleeve and cooperates with the first guide curved surface at the upper end of the slide groove to fix the receiving basket at the set position of the support column.

[0009] Furthermore, a through hole is provided on the rotating sleeve, and the locking tongue is movably installed in the through hole. The locking mechanism also includes a pushing block movably installed on the inner wall of the connecting sleeve along the radial direction of the connecting sleeve. A repulsion block or an elastic member is provided between the pushing block and the connecting sleeve. In an initial state, the through hole and the pushing block are staggered along the circumferential direction of the rotating sleeve, so that the pushing block overcomes the force of the repulsion block or the elastic member and retracts into the connecting sleeve. When the rotating sleeve rotates to the position where the through hole and the pushing block correspond, the repulsion block or the elastic member drives the pushing block to move toward the inside of the connecting sleeve, so that the pushing block enters the through hole and pushes the locking tongue toward the inside of the rotating sleeve, thereby causing the locking tongue to extend inwardly along the radial direction of the rotating sleeve and engage with the first guide curved surface at the upper end of the slide groove.

[0010] Furthermore, the locking tongue includes two locking blocks arranged side by side, the pushing block has a pushing portion for being inserted between the two locking blocks to separate the two locking blocks from each other, the pushing portion has a top end close to the locking block, and the two locking blocks have inclined surfaces at their ends close to the pushing block, the inclined surfaces on the two locking blocks form a V-groove, and when the pushing block pushes the two locking blocks toward the inside of the rotating sleeve, the two locking blocks move toward the inside of the rotating sleeve and the two locking blocks separate from each other, so that the two locking blocks respectively cooperate with the opposite sides of the upper end of the sliding groove.

[0011] Furthermore, the pushing block is provided with guiding arc surfaces on the upper and lower sides of the pushing portion respectively. After the pushing block is extended into the through hole, when the rotating sleeve rotates again, the guiding arc surfaces are used to slide with the orifice of the through hole so that the rotating sleeve presses the pushing block to exit the through hole and retract into the connecting sleeve.

[0012] Furthermore, each support column also includes a center column extending in the up-down direction, and each support sleeve is movably mounted on the center column. A driving device is fixed to the upper end of the center column, and a transmission sleeve is mounted on the upper end of the support sleeve located at the top end. A torsion spring is connected between the transmission sleeve and the support sleeve located at the top end, and the driving device is in transmission connection with the transmission sleeve so that the transmission sleeve drives each support sleeve to rotate around its own axis.

[0013] Furthermore, the driving device is a micro motor, a driving gear is provided on the output shaft of the micro motor, an inner gear ring is provided on the inner wall of the upper end of the transmission sleeve, an idler gear is provided between the driving gear and the inner gear ring, and the driving gear and the inner gear ring are transmission connected through the idler gear.

[0014] Furthermore, each section of the support sleeve comprises a mating section and an inserting section, respectively. The inserting section is located above the mating section, the outer diameter of the inserting section is smaller than the outer diameter of the mating section, a step surface is formed between the inserting section and the mating section, the inserting section is movably inserted into the mating section of the adjacent support sleeve, the lower end of the upper support sleeve of the two adjacent support sleeves is stop-matched with the step surface of the lower support sleeve, the slide groove is provided on the outer wall of the mating section, and the torsion spring sleeve between the two adjacent support sleeves is provided on the periphery of the inserting section of the lower support sleeve.

[0015] Furthermore, second guiding curved surfaces are symmetrically arranged on opposite sides of the lower end of the slide groove.

[0016] Furthermore, the support frame also includes a base, the base is an annular structure, the lower end of the central column is fixedly connected to the base, and a plurality of support columns are evenly spaced along the circumference of the base.

[0017] The beneficial effects of the present invention are as follows: a medical surgical instrument sterilization and disinfection device of the present invention, the present invention evenly distributes multiple receiving baskets on a supporting column, that is, evenly distributes multiple receiving baskets in a sealing cylinder, so that the instruments to be sterilized can be evenly distributed in the sealing cylinder, which not only can reasonably utilize the entire disinfection chamber, but also can enable all the instruments to be sterilized to fully contact with high-temperature steam, thereby improving the efficiency of sterilization and disinfection.

[0018] Furthermore, by providing a support column structure with a special structure, the position of each receiving basket on the support column can be automatically adjusted according to different numbers of receiving baskets, so that each receiving basket is evenly spaced on the support column, thereby improving the efficiency of sterilization and disinfection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work. Those skilled in the art should understand that these drawings are not necessarily drawn to scale.

[0020] Figure 1 This is a schematic diagram of the appearance of an embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0021] Figure 2 It is a cross-sectional schematic diagram of an embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0022] Figure 3 A cross-sectional view of a support frame in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0023] Figure 4 This is a schematic diagram (appearance schematic diagram) of the coordination of two adjacent support sleeves in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0024] Figure 5 A schematic diagram (cross-sectional view) of the matching of two adjacent support sleeves in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0025] Figure 6 It is a partial schematic diagram of the top of a support column in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0026] Figure 7 It is a schematic diagram of a receiving basket in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0027] Figure 8It is a cross-sectional view of a receiving basket in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0028] Fig. 9 for Figure 8 A magnified view of the part A in the middle;

[0029] Fig.10 A top view of a receiving basket in one embodiment of a sterilization and disinfection device for medical surgical instruments of the present invention;

[0030] Fig.11 for Fig.10 A magnified view of the part B in the middle;

[0031] Fig.12 It is a cross-sectional view of a rotating sleeve in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0032] Fig.13 It is a schematic diagram of a push block in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0033] Fig.14 It is a schematic diagram of a lock tongue in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0034] Fig.15 A receiving basket of another model in one embodiment of a medical surgical instrument sterilization and disinfection device of the present invention;

[0035] In the figure: 100, sealing cylinder; 200, sealing cover; 300, support frame; 301, support column; 310, base; 320, center column; 330, support sleeve; 331, slide groove; 332, first guide curved surface; 333, second guide curved surface; 334, plug-in section; 335, matching section; 336, torsion spring; 340, driving device; 350, idler wheel; 360, transmission sleeve; 37 0, driving gear; 400, receiving basket; 410, net frame; 420, connecting sleeve; 421, repulsive block; 422, mounting hole; 430, rotating sleeve; 431, sliding block; 432, perforation; 433, retaining edge; 434, through groove; 440, pushing block; 441, guiding arc surface; 442, pushing part; 443, top; 450, locking tongue; 451, V-shaped groove; 452, locking block. DETAILED DESCRIPTION

[0036] 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 making creative work are within the scope of protection of the present invention.

[0037] An embodiment of a medical surgical instrument sterilization and disinfection device of the present invention is as follows: Figures 1 to 15 As shown, the medical surgical instrument sterilization and disinfection device comprises a sealing cylinder 100 and a sealing cover 200 connected to the upper end of the sealing cylinder 100. The cavity inside the sealing cylinder 100 is the disinfection cavity. The sealing cover 200 is connected to the upper end of the sealing cylinder 100 by locking buckles arranged around it. The sealing cover 200 is provided with a handle, a pressure gauge and a pressure relief valve. A receiving basket 400 is provided in the disinfection cavity of the sealing cylinder 100. The receiving basket 400 is used to place the instruments to be disinfected. When in use, the instruments to be disinfected are first placed in the receiving basket 400, and then the receiving basket 400 together with the instruments to be disinfected placed thereon are placed in the disinfection cavity of the sealing cylinder 100, and finally the sealing cover 200 is covered for high temperature and high pressure steam disinfection.

[0038] In the present invention, a support frame 300 is provided in the disinfection chamber of the sealing cylinder 100, and the support frame 300 includes a base 310 and at least three support columns 301 arranged on the base 310 and extending in the up-down direction. In this embodiment, the base 310 is an annular structure, and a total of six support columns 301 are provided, and the six support columns 301 are evenly spaced along the circumference of the base 310. A plurality of receiving baskets 400 can be sleeved on the support column 301, that is, a medical surgical instrument sterilization and disinfection device is equipped with a plurality of receiving baskets 400. When in use, the number of receiving baskets 400 placed in the sealing cylinder 100 can be selected according to the number of instruments to be disinfected, such as selecting one receiving basket 400, two receiving baskets 400, or more than three receiving baskets 400. When multiple receiving baskets 400 are placed in the sealing cylinder 100, the multiple receiving baskets 400 are evenly spaced along the axial direction of the support column 301. The receiving basket 400 includes a mesh frame 410, and the outer periphery of the mesh frame 410 is provided with a connecting sleeve 420 corresponding to the support column 301 one by one, and each connecting sleeve 420 of each receiving basket 400 is movably installed on the support column 301 from the upper end of each support column 301, and a locking mechanism for locking the receiving basket 400 at a set position is provided between the connecting sleeve 420 and the support column 301. The present invention evenly distributes a plurality of receiving baskets 400 on the support column 301, that is, evenly distributes a plurality of receiving baskets 400 in the sealing cylinder 100, so that the instruments to be sterilized can be evenly distributed in the sealing cylinder 100, which can not only reasonably utilize the entire disinfection chamber, but also enable all instruments to be sterilized to be fully in contact with high-temperature steam, thereby improving the efficiency of sterilization and disinfection.

[0039] In this embodiment, each of the support columns 301 includes a plurality of support sleeves 330, which are connected end to end in the up-down direction, and two adjacent support sleeves 330 can rotate relative to each other. A torsion spring 336 is provided between the two adjacent support sleeves 330, and the two ends of the torsion spring 336 are connected to the two adjacent support sleeves 330. A slide groove 331 extending in the up-down direction is provided on the side wall of each support sleeve 330. In the initial state, the slide grooves 331 on each support sleeve 330 correspond to each other in the up-down position and are on the same straight line. When each support sleeve 330 rotates, the slide grooves 331 on each support sleeve 330 are staggered in the circumferential direction of the support column 301. Specifically, when the uppermost support sleeve 330 is rotated, the torsion spring 336 between the two adjacent support sleeves 330 drives the lower support sleeves 330 to rotate around their own axis. At the same time, the rotation angles of each support sleeve 330 are different, and the rotation angles of each support sleeve 330 gradually decrease from top to bottom. In addition, the stiffness coefficients of the torsion springs 336 and the lengths and number of turns of the torsion springs 336 are the same, that is, the specifications of the torsion springs 336 are the same, so that the circumferential staggered angles of the slide grooves 331 on the two adjacent support sleeves 330 are basically the same. It should be noted here that before placing the receiving basket 400 into the sealing cylinder 100, the top support sleeve 330 is rotated a set number of turns, so that each support sleeve 330 is rotated separately, and the slide grooves 331 thereon are staggered in the circumferential direction of the support column 301.

[0040] A rotating sleeve 430 is rotatably installed in the connecting sleeve 420, and a slider 431 is provided on the inner wall of the rotating sleeve 430. The slider 431 can slide down along the slide groove 331 of one supporting sleeve 330 into the slide groove 331 of the next supporting sleeve 330. The side wall of each supporting sleeve 330 is provided with a first guiding curved surface 332 on opposite sides of the upper end of the slide groove 331. When each supporting sleeve 330 rotates relatively, each slide groove 331 is also staggered with each other in the circumferential direction of the supporting column 301. At this time, the first guiding curved surface 332 2 is used to guide the slider 431 to slide in the slide groove 331. Specifically, when the receiving basket 400 moves downward from the upper end of the support column 301 along the axial direction of the support column 301, under the guidance of the first guide curved surface 332, the lower end of the slider 431 can move along the first guide curved surface 332, and then the slider 431 can move along the circumferential direction of the support column 301 and enter the slide groove 331. At the same time, when the slider 431 slides along the first guide curved surface 332, the rotating sleeve 430 rotates in the connecting sleeve 420.

[0041] In this embodiment, regarding the structure of each section of the support sleeve 330, each section of the support sleeve 330 includes a matching section 335 and a plug-in section 334, the plug-in section 334 is located above the matching section 335, the outer diameter of the plug-in section 334 is smaller than the outer diameter of the matching section 335, a step surface is formed between the plug-in section 334 and the matching section 335, the plug-in section 334 is movably inserted into the matching section 335 of the adjacent support sleeve 330, the lower end of the upper support sleeve 330 of the two adjacent support sleeves 330 is blocked and matched with the step surface of the lower support sleeve 330, the slide groove 331 is provided on the outer wall of the matching section 335, and the torsion spring 336 between the two adjacent support sleeves 330 is sleeved on the outer periphery of the plug-in section 334 of the lower support sleeve 330. The second guide curved surfaces 333 are symmetrically arranged on the opposite sides of the lower end of the slide groove 331.

[0042] The locking mechanism includes a locking tongue 450 that is movably mounted on the inner wall of the rotating sleeve 430 along the radial direction of the rotating sleeve 430. The position of the locking tongue 450 in the circumferential direction of the rotating sleeve 430 corresponds to the position of the slider 431. In the initial state, the locking tongue 450 contracts to enable the receiving basket 400 to slide downward along the support column 301. When the receiving basket 400 slides downward along the support column 301 to a set position, the locking tongue 450 extends inward along the radial direction of the rotating sleeve 430 and cooperates with the upper end of the slide groove 331 to fix the receiving basket 400 at the set position of the support column 301. In this embodiment, a through hole 432 is provided on the rotating sleeve 430, and the locking tongue 450 is movably mounted in the through hole 432. When the receiving basket 400 moves from top to bottom along the support column 301, since the various support sleeves 330 have been staggered in the circumferential direction of the support column 301, and under the action of the first guide surface 332 and the rotating sleeve 430, the slider 431 will rotate along the circumference of the support column 301 and pass through the various slide grooves 331 below in turn.

[0043] The locking mechanism also includes a push block 440 that is movably disposed on the inner wall of the connecting sleeve 420 along the radial direction of the connecting sleeve 420. Specifically, a mounting hole 422 is provided on the inner wall of the connecting sleeve 420, and the push block 440 is movably mounted in the mounting hole 422. A repulsion block 421 is disposed between the push block 440 and the connecting sleeve 420. In other embodiments, the repulsion block 421 can be replaced by an elastic member. In the initial state, the through hole 432 and the push block 440 are staggered along the circumference of the rotating sleeve 430, so that the push block 440 overcomes the force of the repulsion block 421 or the elastic member and retracts into the connecting sleeve 420. In this embodiment, in the initial state, the through hole 432 and the push block 440 are at the radial ends of the rotating sleeve 430, that is, the through hole 432 and the push block 440 are staggered by 180° in the circumference of the rotating sleeve 430. When the rotating sleeve 430 rotates to the position where the through hole 432 corresponds to the pushing block 440, the repulsive block 421 or the elastic member drives the pushing block 440 to move toward the inside of the connecting sleeve 420, so that the pushing block 440 enters the through hole 432 and pushes the locking tongue 450 toward the inside of the rotating sleeve 430, thereby causing the locking tongue 450 to extend inwardly along the radial direction of the rotating sleeve 430 and engage with the first guiding curved surface 332 at the upper end of the slide groove 331. The receiving basket 400 is fixed at the set position of the support column 301 by engaging with the groove edge of the upper end of the slide groove 331.

[0044] In this embodiment, the locking tongue 450 includes two locking blocks 452 arranged side by side, and the pushing block 440 has a pushing portion 442 for being inserted between the two locking blocks 452 to separate the two locking blocks 452 from each other. The pushing portion 442 is provided with a tip 443 at one end close to the locking block 452, and the two locking blocks 452 are respectively provided with inclined surfaces at one end close to the pushing block 440. The inclined surfaces on the two locking blocks 452 form a V-groove 451. When the pushing block 440 pushes the two locking blocks 452 toward the inside of the rotating sleeve 430, the two locking blocks 452 move toward the inside of the rotating sleeve 430 and the two locking blocks 452 are separated from each other, so that the two locking blocks 452 are respectively matched with the opposite sides of the first guide curved surface 332 at the upper end of the slide groove 331 to stop and cooperate, thereby fixing the receiving basket 400 at the set position of the support column 301. It should be noted here that the size of the through hole 432 in the direction in which the two locking blocks 452 are separated from each other is larger than the size of the two locking blocks 452 in this direction, and the upper and lower side walls of the through hole 432 are respectively provided with through grooves 434 for the push block 440 to pass through. In order to prevent the locking tongue 450 from falling out from the outside of the rotating sleeve 430, a blocking edge 433 is provided at the outer end of the through hole 432.

[0045] In this embodiment, the pushing block 440 is provided with guiding arc surfaces 441 on the upper and lower sides of the pushing portion 442. After the pushing block 440 extends into the through hole 432, when the uppermost support sleeve 330 is rotated again, each support sleeve 330 will rotate relative to each other along the circumferential direction of the support column 301 again, so that the rotating sleeve 430 rotates again. At this time, under the guidance of the guiding arc surfaces 441, the guiding arc surfaces 441 slide with the orifice of the through hole 432, so that the rotating sleeve 430 presses the pushing block 440 to exit the through hole 432 and retract into the connecting sleeve 420. As the pushing block 440 retracts into the connecting sleeve 420, the two locking blocks 452 of the locking tongue 450 will also be close to each other and then retracted into the through hole 432 of the rotating sleeve 430, thereby releasing the lock on the receiving basket 400, so that the receiving basket 400 can move downward along the support column 301 again.

[0046] When the first receiving basket 400 is placed in the sealing cylinder 100, the uppermost support sleeve 330 is rotated one circle. Under the action of the torsion spring 336, the relative rotation angles between the two adjacent support sleeves 330 are the same. That is, the slide grooves 331 on each support sleeve 330 are evenly staggered in the circumferential direction. In this way, after the uppermost support sleeve 330 rotates one circle, the slide groove 331 on the support sleeve 330 at the middle position of the support column 301 will rotate half a circle. At this time, when the connecting sleeve 420 of the first receiving basket 400 is installed on the support column 301 and moves downward, when the first receiving basket 400 moves to the support sleeve 330 at the middle position, the through hole 432 on the rotating sleeve 430 will also rotate to the position corresponding to the pushing block 440, thereby realizing the locking of the first receiving basket 400, so that the first receiving basket 400 is temporarily fixed at the middle position of the support column 301. Then, before placing the second receiving basket 400, the uppermost support sleeve 330 is driven to rotate one circle again. As each support sleeve 330 rotates, since the locking tongue 450 on the first receiving basket 400 is in a blocking and mating state with the first guiding curved surface 332 at the upper end of the slide groove 331 at this time, the support sleeve 330 mating with the locking tongue 450 will drive the rotating sleeve 430 to rotate, and then, under the action of the guiding curved surface 441 on the pushing block 440, the pushing block 440 will be pressed to exit the through hole 432 and retract into the connecting sleeve 420. Then, as the pushing block 440 retracts into the connecting sleeve 420, the two locking blocks 452 of the locking tongue 450 will also be close to each other and then retract into the through hole 432 of the rotating sleeve 430, thereby releasing the lock on the first receiving basket 400, so that the first receiving basket 400 can move downward along the support column 301 again.

[0047] When the uppermost support sleeve 330 has rotated two circles, the support sleeve 330 at the middle position of the support column 301 will rotate about one circle, that is, it will return to its original position, and the slide groove 331 on the support sleeve 330 at the one-third and two-thirds positions will rotate to correspond to the position of the push block 440 on the receiving basket 400. In this way, after the second receiving basket 400 is placed, the first receiving basket 400 will move to and stay at the two-thirds position of the support column 301, and the second receiving basket 400 will stay at the one-third position of the support column 301. When the third receiving basket 400 needs to be placed in the sealing cylinder 100, the top support sleeve 330 is rotated one more circle. That is to say, each time a receiving basket 400 is placed in the sealing cylinder 100, the top support sleeve 330 needs to be rotated one circle. The process is the same as the above process. The first receiving basket 400 and the second receiving basket 400 will continue to move downward. After the third receiving basket 400 is placed, the three receiving baskets 400 will stay at the positions of one quarter, two quarters, and three quarters of the support column 301. Similarly, when more receiving baskets 400 need to be placed in the sealing cylinder 100, multiple receiving baskets 400 will stay on the support column 301 at even intervals.

[0048] In this embodiment, in order to drive the top support sleeve 330 to rotate, each support column 301 also includes a central column 320 extending in the up and down directions, and the lower end of each central column 320 is fixedly connected to the base 310, and each support sleeve 330 is movably mounted on the central column 320. A driving device 340 is fixed to the upper end of the central column 320, and a transmission sleeve 360 ​​is mounted on the upper end of the support sleeve 330 at the top. A torsion spring 336 is connected between the transmission sleeve 360 ​​and the support sleeve 330 at the top. The driving device 340 is in transmission connection with the transmission sleeve 360, so that the transmission sleeve 360 ​​drives each support sleeve 330 to rotate along its own axis. In this embodiment, the driving device 340 is a micro motor, and a driving gear 370 is provided on the output shaft of the driving device 340. An inner gear ring is provided on the inner wall of the upper end of the transmission sleeve 360. An idler gear 350 is provided between the driving gear 370 and the inner gear ring. A mounting seat (not shown in the figure) is provided at the top of the outer shell of the micro motor, and a rotating shaft (not shown in the figure) is provided on the mounting seat. The idler gear 350 is rotatably installed on the upper end of the rotating shaft, and the driving gear 370 is connected to the inner gear ring through the idler gear 350.

[0049] In this embodiment, the medical surgical instrument sterilization and disinfection device is equipped with another type of receiving basket 400, such as Fig.15 As shown, the receiving basket 400 is different in that it is thicker, and receiving baskets 400 of different thicknesses can be selected according to the type of equipment to be sterilized.

[0050] When the medical surgical instrument sterilization and disinfection device of the present invention is used, the required number of receiving baskets 400 is selected according to the total amount of instruments to be disinfected, and the instruments to be disinfected are evenly distributed to each receiving basket 400, and then each receiving basket 400 containing the instruments to be disinfected is sequentially placed into the sealing cylinder 100. Before placing the first receiving basket 400 into the sealing cylinder 100, the driving device 340 is first started, and the driving device 340 drives the transmission sleeve 360 ​​to drive the uppermost support sleeve 330 to rotate one circle. Under the action of the torsion spring 336, the relative rotation angles between the two adjacent support sleeves 330 are the same, and the slide grooves 331 on each support sleeve 330 are evenly staggered in the circumferential direction. When the uppermost support sleeve 330 rotates one circle, the slide groove 331 on the support sleeve 330 at the middle position of the support column 301 will rotate half a circle. When the connecting sleeve 420 of the first receiving basket 400 is installed on the supporting column 301 and moves downward, and when the first receiving basket 400 moves to the supporting sleeve 330 at the middle position, the through hole 432 on the rotating sleeve 430 will also rotate to the position corresponding to the pushing block 440, thereby locking the first receiving basket 400, so that the first receiving basket 400 is temporarily fixed at the middle position of the supporting column 301.

[0051] Then, before placing the second receiving basket 400, the driving device 340 is started again. The driving device 340 drives the uppermost support sleeve 330 to rotate one circle through the transmission sleeve 360. As each support sleeve 330 rotates, since the locking tongue 450 on the first receiving basket 400 is in a blocking and matched state with the first guide curved surface 332 at the upper end of the slide groove 331 at this time, the support sleeve 330 matched with the locking tongue 450 will drive the rotating sleeve 430 to rotate, and then, under the action of the guiding arc surface 441 on the pushing block 440, the pushing block 440 will be pressed to exit the through hole 432 and retract into the connecting sleeve 420. Then, as the pushing block 440 retracts into the connecting sleeve 420, the two locking blocks 452 of the locking tongue 450 will also be close to each other and then retract into the through hole 432 of the rotating sleeve 430, thereby releasing the lock on the first receiving basket 400, so that the first receiving basket 400 can move downward along the support column 301 again.

[0052] When the uppermost support sleeve 330 has rotated two circles, the support sleeve 330 at the middle position of the support column 301 will rotate about one circle, that is, it will return to its original position, and the slide groove 331 on the support sleeve 330 at the one-third and two-thirds positions will rotate to correspond to the position of the push block 440 on the receiving basket 400. In this way, after the second receiving basket 400 is placed, the first receiving basket 400 will move to and stay at the two-thirds position of the support column 301, and the second receiving basket 400 will stay at the one-third position of the support column 301. When the third receiving basket 400 needs to be placed in the sealing cylinder 100, the top support sleeve 330 is rotated one more circle. That is to say, each time a receiving basket 400 is placed in the sealing cylinder 100, the top support sleeve 330 needs to be rotated one circle. The process is the same as the above process. The first receiving basket 400 and the second receiving basket 400 will continue to move downward. After the third receiving basket 400 is placed, the three receiving baskets 400 will stay at the positions of one quarter, two quarters, and three quarters of the support column 301. Similarly, when more receiving baskets 400 need to be placed in the sealing cylinder 100, multiple receiving baskets 400 will stay on the support column 301 at even intervals.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A sterilization and disinfection device for medical surgical instruments, comprising a sealing cylinder (100) and a sealing cover (200) connected to the upper end of the sealing cylinder (100), wherein a receiving basket (400) is provided in the sealing cylinder (100), and the receiving basket (400) is used to place instruments to be sterilized, characterized in that: A support frame (300) is provided inside the sealing cylinder (100), and the support frame (300) comprises at least three support columns (301) whose axes extend in the up-down direction. A plurality of receiving baskets (400) can be sleeved on the support columns (301), and the plurality of receiving baskets (400) are evenly spaced along the axial direction of the support columns (301). The outer circumference of the receiving baskets (400) is provided with connecting sleeves (420) corresponding to the support columns (301) one by one, and each connecting sleeve (420) of each receiving basket (400) is movably mounted on the support column (301) from the upper end of each supporting column (301), and a connecting sleeve (420) for connecting the receiving baskets (420) to the supporting column (301) is provided between the connecting sleeves (420) and the supporting column (301). The basket (400) is locked at a set position by a locking mechanism; each of the support columns (301) comprises a plurality of support sleeves (330), the plurality of support sleeves (330) are connected end to end in sequence in the up-down direction, two adjacent support sleeves (330) can rotate relative to each other, a torsion spring (336) is provided between the two adjacent support sleeves (330), the two ends of the torsion spring (336) are respectively connected to the two adjacent support sleeves (330), when the uppermost support sleeve (330) is rotated, the support sleeves (330) below are driven to rotate around their own axes, the rotation angles of the support sleeves (330) are different, and the rotation angles of the support sleeves (330) gradually decrease from top to bottom; each A slide groove (331) extending in the up-down direction is respectively provided on the side wall of each support sleeve (330); a rotating sleeve (430) is rotatably installed in the connecting sleeve (420); a slider (431) is provided on the inner wall of the rotating sleeve (430); the slider (431) can slide downward along the slide groove (331) of one support sleeve (330) into the slide groove (331) of the next support sleeve (330); a first guide curved surface (332) is respectively provided on the side wall of each support sleeve (330) at opposite sides of the upper end of the slide groove (331); the first guide curved surface (332) is used to guide the slider (431) to slide into the slide groove (331); the locking mechanism comprises A locking tongue (450) is movably disposed on the inner wall of the rotating sleeve (430) in the radial direction of the rotating sleeve (430); the position of the locking tongue (450) in the circumferential direction of the rotating sleeve (430) corresponds to the position of the sliding block (431); in an initial state, the locking tongue (450) contracts to enable the receiving basket (400) to slide downward along the supporting column (301); when the receiving basket (400) slides downward along the supporting column (301) to a set position, the locking tongue (450) extends inwardly in the radial direction of the rotating sleeve (430) and stops and cooperates with the first guide curved surface (332) at the upper end of the sliding groove (331), so that the receiving basket (400) is fixed at the set position of the supporting column (301).

2. The medical surgical instrument sterilization and disinfection device according to claim 1, characterized in that: The rotating sleeve (430) is provided with a through hole (432), and the locking tongue (450) is movably mounted in the through hole (432). The locking mechanism further comprises a pushing block (440) movably mounted on the inner wall of the connecting sleeve (420) along the radial direction of the connecting sleeve (420), and a repulsion block (421) or an elastic member is provided between the pushing block (440) and the connecting sleeve (420). In an initial state, the through hole (432) and the pushing block (440) are staggered along the circumferential direction of the rotating sleeve (430), so that the pushing block (440) overcomes the repulsion block (421). Or the force of the elastic member retracts into the connecting sleeve (420); when the rotating sleeve (430) rotates to the position where the through hole (432) corresponds to the pushing block (440), the repulsive block (421) or the elastic member drives the pushing block (440) to move toward the inside of the connecting sleeve (420), so that the pushing block (440) enters the through hole (432) and pushes the locking tongue (450) toward the inside of the rotating sleeve (430), thereby causing the locking tongue (450) to extend inwardly along the radial direction of the rotating sleeve (430) and cooperate with the upper end stop of the sliding groove (331).

3. The medical surgical instrument sterilization and disinfection device according to claim 2, characterized in that: The locking tongue (450) comprises two locking blocks (452) arranged side by side, the pushing block (440) comprises a pushing portion (442) for being inserted between the two locking blocks (452) so as to separate the two locking blocks (452) from each other, the pushing portion (442) is provided with a tip (443) at one end close to the locking block (452), the two locking blocks (452) are respectively provided with an inclined surface at one end close to the pushing block (440), the inclined surfaces on the two locking blocks (452) form a V-shaped groove (451), when the pushing block (440) pushes the two locking blocks (452) toward the inside of the rotating sleeve (430), the two locking blocks (452) move toward the inside of the rotating sleeve (430) and the two locking blocks (452) are separated from each other, so that the two locking blocks (452) are respectively engaged with the opposite sides of the first guide curved surface (332) at the upper end of the slide groove (331).

4. The medical surgical instrument sterilization and disinfection device according to claim 3, characterized in that: The pushing block (440) is provided with guiding arc surfaces (441) on the upper and lower sides of the pushing portion (442), respectively. After the pushing block (440) extends into the through hole (432), when the rotating sleeve (430) rotates again, the guiding arc surfaces (441) are used to slidably cooperate with the opening of the through hole (432), so that the rotating sleeve (430) pushes the pushing block (440) out of the through hole (432) and retracts into the connecting sleeve (420).

5. The medical surgical instrument sterilization and disinfection device according to claim 4, characterized in that: Each support column (301) further comprises a central column (320) extending in the up-down direction, each support sleeve (330) is movably sleeved on the central column (320), a driving device (340) is fixed to the upper end of the central column (320), a transmission sleeve (360) is sleeved on the upper end of the support sleeve (330) at the top end, the torsion spring (336) is connected between the transmission sleeve (360) and the support sleeve (330) at the top end, and the driving device (340) is transmission-connected to the transmission sleeve (360) so that the transmission sleeve (360) drives each support sleeve (330) to rotate around its own axis.

6. The medical surgical instrument sterilization and disinfection device according to claim 5, characterized in that: The driving device (340) is a micro motor, the output shaft of the micro motor is provided with a driving gear (370), the inner wall of the upper end of the transmission sleeve (360) is provided with an inner gear ring, an idler gear (350) is provided between the driving gear (370) and the inner gear ring, and the driving gear (370) and the inner gear ring are transmission-connected via the idler gear (350).

7. The medical surgical instrument sterilization and disinfection device according to claim 6, characterized in that: Each section of the support sleeve (330) comprises a matching section (335) and a plug-in section (334), the plug-in section (334) being located above the matching section (335), the outer diameter of the plug-in section (334) being smaller than the outer diameter of the matching section (335), a step surface being formed between the plug-in section (334) and the matching section (335), the plug-in section (334) being movably inserted into the matching section (335) of the adjacent support sleeve (330), the lower end of the upper support sleeve (330) of the two adjacent support sleeves (330) being stop-matched with the step surface of the lower support sleeve (330), the slide groove (331) being provided on the outer wall of the matching section (335), and the torsion spring (336) between the two adjacent support sleeves (330) being sleeved on the outer periphery of the plug-in section (334) of the lower support sleeve (330).

8. The medical surgical instrument sterilization and disinfection device according to claim 7, characterized in that: Second guide curved surfaces (333) are symmetrically arranged on opposite sides of the lower end of the sliding groove (331).

9. The medical surgical instrument sterilization and disinfection device according to claim 8, characterized in that: The support frame (300) further comprises a base (310), the base (310) being an annular structure, the lower end of the central column (320) being fixedly connected to the base (310), and a plurality of support columns (301) being evenly spaced and arranged along the circumference of the base (310).

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