CN108273080B - Sterilization drying instrument and medical instrument sterilization treatment method - Google Patents
Sterilization drying instrument and medical instrument sterilization treatment method Download PDFInfo
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- CN108273080B CN108273080B CN201810283766.3A CN201810283766A CN108273080B CN 108273080 B CN108273080 B CN 108273080B CN 201810283766 A CN201810283766 A CN 201810283766A CN 108273080 B CN108273080 B CN 108273080B
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 108
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 101
- 238000001035 drying Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 170
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 85
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 85
- 238000005485 electric heating Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000005086 pumping Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 238000005516 engineering process Methods 0.000 description 9
- 238000011160 research Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002289 effect on microbe Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/26—Accessories or devices or components used for biocidal treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
- A61L2202/20—Targets to be treated
- A61L2202/24—Medical instruments, e.g. endoscopes, catheters, sharps
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention belongs to the technical field of equipment sterilization, and particularly relates to a sterilization dryer and a medical instrument sterilization treatment method, wherein the sterilization dryer is adopted in the method and comprises a box body, a motor, a rotating shaft, a supercritical carbon dioxide generation device, an ultraviolet lamp sterilization unit, a supercritical carbon dioxide sterilization unit and a drying unit, and the box body is a square barrel; the motor is arranged on the upper part of the rotating shaft; the rotating shaft penetrates through the box body and is rotationally connected with the box body; the supercritical carbon dioxide generating device is used for generating supercritical carbon dioxide; the ultraviolet lamp sterilization unit sterilizes the appliances by using ultraviolet rays; the supercritical carbon dioxide sterilization unit is used for sterilizing the appliances by using supercritical carbon dioxide; the drying unit is used for drying the utensil. The method is mainly used for sterilization of hospital appliances, does not need high temperature and pressure, has low use requirement, utilizes supercritical carbon dioxide sterilization and ultraviolet sterilization, and has double sterilization and better sterilization effect.
Description
Technical Field
The invention belongs to the technical field of equipment sterilization, and particularly relates to a sterilization drying instrument and a medical instrument sterilization treatment method.
Background
The supercritical carbon dioxide sterilization technology is a novel non-thermal sterilization technology. The non-thermal processing technology changes the original flavor, color, taste and texture of the food to the minimum extent under the condition of ensuring the food safety (killing microorganisms and inactive enzymes), and has huge application prospect. At present, domestic and foreign researches show that the supercritical carbon dioxide has a good sterilization effect; compared with the ultra-high pressure sterilization technology, the supercritical carbon dioxide sterilization technology has low treatment pressure, and the pressure is easy to reach and control; compared with the traditional thermal sterilization technology, the supercritical carbon dioxide sterilization technology has low treatment temperature and small damage effect on heat-sensitive substances in food, and is beneficial to maintaining the original quality of the food. Therefore, the supercritical carbon dioxide sterilization technology is becoming one of the focuses of the food sterilization technology research. Research proves that the supercritical carbon dioxide has strong sterilization effect on microorganisms. The hospital equipment has good sterilization effect by using the supercritical carbon dioxide and has lower cost.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a sterilization drying instrument and a medical instrument sterilization treatment method, the sterilization drying instrument is mainly used for sterilization of hospital instruments, such as sterilization of certain culture dishes and basin-shaped instruments, the sterilization drying instrument does not need high temperature and pressure, the use requirement is low, the sterilization drying instrument utilizes supercritical carbon dioxide sterilization and ultraviolet sterilization, and double sterilization is adopted, so that the sterilization effect is better.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a sterilization dryer which comprises a box body, a motor, a rotating shaft, a supercritical carbon dioxide generating device, an ultraviolet lamp sterilization unit, a supercritical carbon dioxide sterilization unit and a drying unit, wherein the box body is a square barrel; the motor is arranged on the upper part of the rotating shaft; the rotating shaft penetrates through the box body and is rotationally connected with the box body; the supercritical carbon dioxide generating device is arranged at the bottom of the box body and is used for generating supercritical carbon dioxide; the ultraviolet lamp sterilization unit is arranged on a rotating shaft of the motor and utilizes ultraviolet rays to sterilize the appliances; the supercritical carbon dioxide sterilization unit is arranged in the box body and uses supercritical carbon dioxide to sterilize the appliances; the drying units are arranged on the side wall of the box body and are symmetrically arranged and used for drying the appliance;
the medical instrument sterilization method comprises the following steps:
pulling out the supercritical carbon dioxide sterilization unit from the box body, placing the appliance to be sterilized on the supercritical carbon dioxide sterilization unit by medical personnel, sucking air by a miniature air pump through an air suction rod, tightly attaching a sucking disc to the appliance, pressing a second cross rod, abutting the appliance with the second cross rod, releasing the second cross rod, abutting a rubber block against the appliance under the action of a first reset spring, and preventing the appliance from shaking or falling;
pushing the supercritical carbon dioxide sterilization unit in the step one into the box body, sealing a door of the box body, starting the supercritical carbon dioxide generation device, and filling the supercritical carbon dioxide into the box body;
step three, when the supercritical carbon dioxide in the step two is filled into the box body, the motor is started, the rotating shaft drives the sun wheel to rotate, the planet wheel rotates around the sun wheel and rotates with the planet wheel, the ultraviolet lamp rotates along with the planet wheel, the irradiation efficiency of ultraviolet rays is improved, and ultraviolet sterilization is carried out on the appliance;
and step four, when the supercritical carbon dioxide in the step two is filled into the box body, starting the motor, rotating the first gear, meshing the first gear with the second gear, driving the second rotating shaft to rotate by the second gear, driving the cam to rotate by the second rotating shaft, enabling the rack to move up and down, enabling the gear to rotate in three small angles by the movement of the rack, driving the electric heating plate to rotate by the rotation of the third gear, enabling the gas in the box body to flow, and accelerating the drying effect of the appliance.
Preferably, the ultraviolet sterilization unit comprises a sun gear, a planet gear, an ultraviolet lamp and a rotary bracket, wherein the sun gear is arranged on the rotary shaft; the planet wheel and the sun wheel are meshed with each other; the ultraviolet lamp is arranged on a planet shaft of the planet wheel; the rotating bracket is arranged on the rotating shaft, and two ends of the rotating bracket are rotationally connected with the planet shaft; and a circle of tooth-shaped structure is arranged at the upper part of the box body and is used as a gear ring of the planetary gear train. During operation, starter motor, axis of rotation drive sun gear rotate, and the planet wheel rotates round the sun gear and planet wheel self rotates, and ultraviolet lamp follows the planet wheel and rotates, improves ultraviolet irradiation efficiency.
Preferably, the supercritical carbon dioxide sterilization unit comprises a bottom plate, a pulley, a hollow main rod, a hollow support rod, a sucker, a micro air pump, an air pumping rod and a fixing module, wherein the bottom plate is positioned at the bottom of the box body; the pulley is arranged on the bottom plate; the hollow main rod is arranged on the bottom plate; the hollow strut is arranged on the hollow main rod, the hollow strut is communicated with the hollow cavity of the hollow main rod, and the hollow strut is provided with a through hole; the air pumping rod is arranged at the front end of the hollow support rod; the sucking disc is arranged at the front end of the air pumping rod; the miniature air pump is arranged on one side of the air pumping rod; the fixing modules are arranged on two sides of the hollow supporting rod and used for fixing the appliance. When the device works, the miniature air pump exhausts air through the air exhaust rod, the sucker is tightly attached to the device, the device is clamped well through the fixed module, the supercritical carbon dioxide sterilization unit is pushed into the box body through the bottom plate, the box body door is closed, the supercritical carbon dioxide is introduced, the supercritical carbon dioxide enters the hollow main rod and then enters the hollow branch rod, and the device is sterilized through the discharge of the through hole of the hollow branch rod.
Preferably, the fixing module comprises a first cross rod, a return spring, a second cross rod and a rubber block, wherein the first cross rod is arranged on the hollow support rod; one end of the return spring is arranged on the first cross rod; the second cross rod is provided with a groove, the return spring is positioned in the groove, and one end of the return spring is fixedly connected with the second cross rod; the rubber block is arranged on the second cross rod and is provided with a bulge. When the tool is in operation, the second cross rod is pressed, the second cross rod is released after the second cross rod abuts against the tool, and the rubber block abuts against the tool under the action of the first reset spring to prevent the tool from shaking or falling.
Preferably, the through hole on the foremost end of the hollow supporting rod is provided with a rubber block, and the hemispherical cap is provided with a multidirectional through hole. The direction of the sprayed supercritical carbon dioxide is changed by utilizing the multi-directional through holes, and corners of the appliance are sterilized.
Preferably, the hollow main rod further comprises a heating coil, a hemispherical mirror surface, a transverse shaft and a helical blade, the hemispherical mirror surface is mounted on the hollow main rod, a round hole is formed in the hemispherical mirror surface, and the hemispherical mirror surface is used for reflecting ultraviolet rays; the heating coil is positioned in the hemispherical mirror surface and is arranged at one end of the transverse shaft; the transverse shaft is rotatably connected to the hollow main rod; the helical blade is arranged on the cross shaft and used for driving the cross shaft to rotate. When the drying box works, supercritical carbon dioxide enters the hollow main rod, the supercritical carbon dioxide drives the helical blades to rotate, the cross shaft rotates to drive the heating coil to rotate, the heating coil heats and rotates at the same time, hot air in the hemispherical mirror surface is discharged into the box body, and the drying effect is accelerated.
Preferably, the drying unit comprises a first gear, a second rotating shaft, a cam, a rack, a second return spring, a third gear and an electric heating plate, wherein the first gear is arranged on the rotating shaft; the second gear is meshed with the first gear, and the number of the second gears is two; the second rotating shaft is arranged on the first gear; the cam is arranged on the second rotating shaft; a hollow cavity is formed in the side wall of the box body; the rack is positioned in a hollow cavity inside the box body, and the upper end of the rack is contacted with the cam; one end of the second reset spring is connected with the lower end of the rack, and the other end of the second reset spring is fixedly connected with the box body; the third gear is meshed with the rack, and the third gear is arranged on the side wall of the box body; the electric heating plate is arranged on the third gear. When the drying device works, the first gear rotates, the first gear is meshed with the second gear, the second gear drives the second rotating shaft to rotate, the second rotating shaft drives the cam to rotate, the cam enables the rack to move up and down, the rack moves to enable the third gear to rotate in a small range, and the third gear rotates to drive the electric heating plate to rotate, so that gas in the box body flows, and the drying effect of the drying device is accelerated.
Preferably, the surface of the electric heating plate is provided with a layer of mirror surface, and the mirror surface is used for reflecting ultraviolet rays. Improve the irradiation effect of ultraviolet rays and improve the sterilization efficiency.
The invention has the beneficial effects that:
1. the medical instrument sterilization treatment method does not need high temperature and pressure, has low use requirement, utilizes supercritical carbon dioxide sterilization and ultraviolet sterilization, realizes double sterilization, has better sterilization effect, is added with drying treatment, can dry the instrument needing sterilization, can be directly used after the instrument is sterilized and dried, does not need waiting time, and saves time.
2. The supercritical carbon dioxide sterilization unit provided by the invention utilizes the through holes arranged on the hollow support rods to spray supercritical carbon dioxide to sterilize instruments, the sterilization degree is high, the effect is good, and the cross rod I, the cross rod II and the return spring which are included by the fixing module are combined with each other, so that the supercritical carbon dioxide sterilization unit can adapt to instruments with different diameters.
3. The ultraviolet lamp sterilization unit provided by the invention realizes rotation and revolution of the ultraviolet lamp by utilizing the mutual matching of the planetary gear train and the ultraviolet lamp, so that the sterilization of appliances is more thorough, no dead angle is formed in 360 degrees, the number of the ultraviolet lamps is reduced, and the cost is reduced.
4. The drying unit provided by the invention utilizes the mutual matching of the rack, the first gear, the second gear, the cam, the third gear and the electric heating plate to rotate the electric heating plate, so that on one hand, the electric heating plate is used for drying the appliance, on the other hand, the gas in the box body flows, the drying speed is accelerated, and the drying effect is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is an enlarged view of the invention at B in FIG. 2;
FIG. 5 is an enlarged view of the invention at C of FIG. 2;
in the figure: the device comprises a box body 1, a motor 2, a rotating shaft 3, a supercritical carbon dioxide generation device 4, an ultraviolet lamp sterilization unit 5, a sun gear 51, a planet gear 52, an ultraviolet lamp 53, a rotating bracket 54, a supercritical carbon dioxide sterilization unit 6, a bottom plate 61, a pulley 62, a hollow main rod 63, a heating coil 631, a hemispherical mirror surface 632, a transverse shaft 633, a spiral blade 634, a hollow supporting rod 64, a hemispherical cap 641, a suction cup 65, a micro suction pump 66, a suction rod 67, a fixing module 68, a transverse rod 681, a return spring 682, a transverse rod two 683, a rubber block 684, a drying unit 7, a gear one 71, a gear two 72, a rotating shaft two 73, a cam 74, a rack 75, a return spring two 76, a gear three 77, an electric heating plate 78 and a mirror surface.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the sterilization dryer of the present invention includes a case 1, a motor 2, a rotating shaft 3, a supercritical carbon dioxide generator 4, an ultraviolet lamp sterilization unit 5, a supercritical carbon dioxide sterilization unit 6, and a drying unit 7, wherein the case 1 is a square barrel; the motor 2 is arranged on the upper part of the rotating shaft 3; the rotating shaft 3 penetrates through the box body 1, and the rotating shaft 3 is rotatably connected with the box body 1; the supercritical carbon dioxide generating device 4 is arranged at the bottom of the box body 1, and the supercritical carbon dioxide generating device 4 is used for generating supercritical carbon dioxide; the ultraviolet lamp sterilizing unit 5 is arranged on the rotating shaft 3 of the motor 2, and the ultraviolet lamp sterilizing unit 5 sterilizes the appliances by using ultraviolet rays; the supercritical carbon dioxide sterilization unit 6 is arranged inside the box body 1, and the supercritical carbon dioxide sterilization unit 6 sterilizes the appliances by using supercritical carbon dioxide; the drying units 7 are arranged on the side wall of the box body 1, the drying units 7 are symmetrically arranged, and the drying units 7 are used for drying the appliances;
the hospital instrument sterilization method comprises the following steps:
pulling out the supercritical carbon dioxide sterilization unit 6 from the box body 1, placing the appliance to be sterilized on the supercritical carbon dioxide sterilization unit 6 by medical staff, sucking air by a miniature air pump 66 through an air sucking rod 67, tightly attaching a sucking disc 65 on the appliance, pressing a cross rod two 683, abutting the appliance by the cross rod two 683, releasing the cross rod two 683, and abutting a rubber block 684 against the appliance under the action of a return spring 682, so as to prevent the appliance from shaking or falling;
step two, pushing the supercritical carbon dioxide sterilization unit 6 in the step one into the box body 1, closing the door of the box body 1, starting the supercritical carbon dioxide generation device 4, and filling the supercritical carbon dioxide into the box body 1;
step three, when the supercritical carbon dioxide in the step two is filled into the box body 1, the motor 2 is started, the rotating shaft 3 drives the sun wheel 51 to rotate, the planet wheel 52 rotates around the sun wheel 51 and the planet wheel 52 rotates, the ultraviolet lamp 53 rotates along with the planet wheel 52, the irradiation efficiency of ultraviolet rays is improved, and ultraviolet sterilization is carried out on the appliance;
step four, when the supercritical carbon dioxide in the step two is filled into the box body 1, the motor 2 is started, the first gear 71 rotates, the first gear 71 is meshed with the second gear 72, the second gear 72 drives the second rotating shaft 73 to rotate, the second rotating shaft 73 drives the cam 74 to rotate, the cam 74 enables the rack 75 to move up and down, the rack 75 moves to enable the third gear 77 to rotate in a small amplitude, and the third gear 77 rotates to drive the electric heating plate 78 to rotate, so that the gas in the box body 1 flows, and the drying effect of the appliance is accelerated.
As an embodiment of the present invention, the ultraviolet sterilization unit includes a sun gear 51, a planet gear 52, an ultraviolet lamp 53 and a rotating bracket 54, the sun gear 51 is mounted on the rotating shaft 3; the planet wheel 52 is meshed with the sun wheel 51; the ultraviolet lamp 53 is arranged on the planet shaft of the planet wheel 52; the rotating bracket 54 is arranged on the rotating shaft 3, and two ends of the rotating bracket 54 are rotatably connected with the planet shaft; the upper part of the box body 1 is provided with a circle of tooth-shaped structure which is used as a gear ring of the planetary gear train. During operation, the motor 2 is started, the rotating shaft 3 drives the sun wheel 51 to rotate, the planet wheel 52 rotates around the sun wheel 51 and rotates with the planet wheel 52, the ultraviolet lamp 53 rotates along with the planet wheel 52, and the ultraviolet irradiation efficiency is improved.
As an embodiment of the present invention, the supercritical carbon dioxide sterilization unit 6 includes a bottom plate 61, a pulley 62, a hollow main rod 63, a hollow support rod 64, a suction cup 65, a micro suction pump 66, a suction rod 67, and a fixing module 68, wherein the bottom plate 61 is located at the bottom of the tank 1; the pulley 62 is arranged on the bottom plate 61; the hollow main rod 63 is arranged on the bottom plate 61; the hollow strut 64 is arranged on the hollow main rod 63, the hollow strut 64 is communicated with the hollow cavity of the hollow main rod 63, and the hollow strut 64 is provided with a through hole; the air pumping rod 67 is arranged at the front end of the hollow support rod 64; the sucking disc 65 is arranged at the front end of the air pumping rod 67; the miniature air suction pump 66 is arranged on one side of the air suction rod 67; the fixing modules 68 are installed on two sides of the hollow strut 64, and the fixing modules 68 are used for fixing the appliance. During operation, miniature aspiration pump 66 draws air through air extraction rod 67, hugs closely sucking disc 65 on the utensil, utilizes fixed module 68 card utensil, through bottom plate 61 with inside supercritical carbon dioxide sterilization unit 6 pushes into box 1, closes box 1 door, lets in supercritical carbon dioxide, in supercritical carbon dioxide enters into hollow mobile jib 63, reentrant hollow branch 64, discharges from the through-hole of hollow branch 64 and disinfect the utensil.
As an embodiment of the present invention, the fixing module 68 includes a first cross bar 681, a return spring 682, a second cross bar 683, and a rubber block 684, wherein the first cross bar 681 is mounted on the hollow strut 64; one end of the return spring 682 is mounted on the first cross bar 681; the second cross rod 683 is provided with a groove, the return spring 682 is positioned in the groove, and one end of the return spring 682 is fixedly connected with the second cross rod 683; the rubber block 684 is arranged on the second cross bar 683, and the rubber block 684 is provided with a bulge. When the tool is in operation, the second cross rod 683 is pressed to abut against the tool by the second cross rod 683, the second cross rod 683 is released, and the rubber block 684 abuts against the tool under the action of the first return spring 682 to prevent the tool from shaking or falling.
As an embodiment of the present invention, a hemispherical cap 641 is disposed in the through hole at the foremost end of the hollow strut 64, and a multi-directional through hole is disposed on the hemispherical cap 641. The direction of the sprayed supercritical carbon dioxide is changed by utilizing the multi-directional through holes, and corners of the appliance are sterilized.
As an embodiment of the present invention, the hollow main rod 63 further includes a heating coil 631, a hemispherical mirror 632, a horizontal shaft 633 and a helical blade 634, the hemispherical mirror 632 is mounted on the hollow main rod 63, the hemispherical mirror 632 is provided with a circular hole, and the hemispherical mirror 632 is used for reflecting ultraviolet rays; the heating coil 631 is positioned in the hemispherical mirror 632, and the heating coil 631 is installed at one end of the transverse shaft 633; the transverse shaft 633 is rotatably connected to the hollow main rod 63; the helical blade 634 is mounted on the cross shaft 633, and the helical blade 634 is used for driving the cross shaft 633 to rotate. During operation, supercritical carbon dioxide enters the hollow main rod 63, the supercritical carbon dioxide drives the helical blade 634 to rotate, the horizontal shaft 633 rotates to drive the heating coil 631 to rotate, the heating coil 631 heats and rotates at the same time, hot air in the hemispherical mirror surface 632 is discharged into the box body 1, and the drying effect is accelerated.
As an embodiment of the present invention, the drying unit 7 includes a first gear 71, a second gear 72, a second rotating shaft 73, a cam 74, a rack 75, a second return spring 76, a third gear 77 and an electric heating plate 78, wherein the first gear 71 is mounted on the rotating shaft 3; the second gear 72 is meshed with the first gear 71, and the number of the second gears 72 is two; the second rotating shaft 73 is arranged on the first gear 71; the cam 74 is arranged on the second rotating shaft 73; a hollow cavity is arranged in the side wall of the box body 1; the rack 75 is positioned in a hollow cavity inside the box body 1, and the upper end of the rack 75 is contacted with the cam 74; one end of the second reset spring 76 is connected with the lower end of the rack 75, and the other end of the second reset spring 76 is fixedly connected with the box body 1; the number of the third gear 77 is five, the third gear 77 is meshed with the rack 75, and the third gear 77 is arranged on the side wall of the box body 1; the electric heating plate 78 is mounted on the third gear 77. When the drying device works, the first gear 71 rotates, the first gear 71 is meshed with the second gear 72, the second gear 72 drives the second rotating shaft 73 to rotate, the second rotating shaft 73 drives the cam 74 to rotate, the cam 74 enables the rack 75 to move up and down, the rack 75 moves to enable the third gear 77 to rotate in a small amplitude, and the third gear 77 rotates to drive the electric heating plate 78 to rotate, so that gas in the box body 1 flows, and the drying effect of the drying device is accelerated.
In one embodiment of the present invention, the surface of the electric heating plate 78 is provided with a mirror 781, and the mirror 781 is used for reflecting ultraviolet rays. Improve the irradiation effect of ultraviolet rays and improve the sterilization efficiency.
When the device is used, the supercritical carbon dioxide sterilization unit 6 is pulled out of the box body 1, medical staff place the device to be sterilized on the supercritical carbon dioxide sterilization unit 6, the miniature air pump 66 pumps air through the air pumping rod 67, the sucker 65 is tightly attached to the device, the device is clamped by the fixing module 68, the second cross rod 683 is pressed, the second cross rod 683 is released after the second cross rod 683 abuts against the device, and the rubber block 684 abuts against the device under the action of the first return spring 682 to prevent the device from shaking or falling; pushing the supercritical carbon dioxide sterilization unit 6 into the box body 1 through the bottom plate 61, closing the door of the box body 1, introducing supercritical carbon dioxide into the hollow main rod 63, then into the hollow support rod 64, and discharging from the through hole of the hollow support rod 64 to sterilize the appliances; when supercritical carbon dioxide enters the hollow main rod 63, the supercritical carbon dioxide drives the helical blade 634 to rotate, the cross shaft 633 rotates to drive the heating coil 631 to rotate, the heating coil 631 heats and rotates at the same time, hot air in the hemispherical mirror surface 632 is discharged into the box body 1, and the drying effect is accelerated; the drying unit 7 works simultaneously, the first gear 71 rotates, the first gear 71 is meshed with the second gear 72, the second gear 72 drives the second rotating shaft 73 to rotate, the second rotating shaft 73 drives the cam 74 to rotate, the cam 74 enables the rack 75 to move up and down, the rack 75 moves to enable the third gear 77 to rotate in a small amplitude, and the third gear 77 rotates to drive the electric heating plate 78 to rotate, so that the gas in the box body 1 flows, and the drying effect of the appliance is accelerated.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A sterilization drying instrument is characterized in that: the sterilizing and drying instrument comprises a box body (1), a motor (2), a rotating shaft (3), a supercritical carbon dioxide generating device (4), an ultraviolet lamp sterilizing unit (5), a supercritical carbon dioxide sterilizing unit (6) and a drying unit (7), wherein the box body (1) is a square barrel; the motor (2) is arranged on the upper part of the rotating shaft (3); the rotating shaft (3) penetrates through the box body (1), and the rotating shaft (3) is rotatably connected with the box body (1); the supercritical carbon dioxide generating device (4) is arranged at the bottom of the box body (1), and the supercritical carbon dioxide generating device (4) is used for generating supercritical carbon dioxide; the ultraviolet lamp sterilization unit (5) is arranged on the rotating shaft (3) of the motor (2), and the ultraviolet lamp sterilization unit (5) sterilizes appliances by using ultraviolet rays; the supercritical carbon dioxide sterilization unit (6) is arranged in the box body (1), and the supercritical carbon dioxide sterilization unit (6) sterilizes the appliances by using the supercritical carbon dioxide; the drying units (7) are arranged on the side wall of the box body (1), the drying units (7) are symmetrically arranged, and the drying units (7) are used for drying the appliances; the supercritical carbon dioxide sterilization unit (6) comprises a bottom plate (61), a pulley (62), a hollow main rod (63), a hollow support rod (64), a sucker (65), a micro air pump (66), an air pumping rod (67) and a fixing module (68), wherein the bottom plate (61) is positioned at the bottom of the box body (1); the pulley (62) is arranged on the bottom plate (61); the hollow main rod (63) is arranged on the bottom plate (61); the hollow strut (64) is arranged on the hollow main rod (63), the hollow strut (64) is communicated with the hollow cavity of the hollow main rod (63), and the hollow strut (64) is provided with a through hole; the air pumping rod (67) is arranged at the front end of the hollow support rod (64); the sucking disc (65) is arranged at the front end of the air pumping rod (67); the miniature air suction pump (66) is arranged on one side of the air suction rod (67); the fixing modules (68) are arranged on two sides of the hollow support rod (64), and the fixing modules (68) are used for fixing the appliance;
the ultraviolet lamp sterilization unit (5) comprises a sun wheel (51), a planet wheel (52), an ultraviolet lamp (53) and a rotating bracket (54), wherein the sun wheel (51) is arranged on the rotating shaft (3); the planet wheel (52) is meshed with the sun wheel (51); the ultraviolet lamp (53) is arranged on a planet shaft of the planet wheel (52); the rotating bracket (54) is arranged on the rotating shaft (3), and two ends of the rotating bracket (54) are rotationally connected with the planet shaft; the upper part of the box body (1) is provided with a circle of tooth-shaped structure which is used as a gear ring of the planetary gear train;
the fixing module (68) comprises a first cross rod (681), a return spring (682), a second cross rod (683) and a rubber block (684), wherein the first cross rod (681) is arranged on the hollow strut (64); one end of the return spring (682) is arranged on the first cross rod (681); the second cross rod (683) is provided with a groove, the return spring (682) is positioned in the groove, and one end of the return spring (682) is fixedly connected with the second cross rod (683); the rubber block (684) is arranged on the cross bar II (683), and a bulge is arranged on the rubber block (684);
the hollow main rod (63) further comprises a heating coil (631), a hemispherical mirror surface (632), a transverse shaft (633) and a helical blade (634), the hemispherical mirror surface (632) is installed on the hollow main rod (63), a round hole is formed in the hemispherical mirror surface (632), and the hemispherical mirror surface (632) is used for reflecting ultraviolet rays; the heating coil (631) is positioned in the hemispherical mirror surface (632), and the heating coil (631) is installed at one end of the transverse shaft (633); the transverse shaft (633) is rotatably connected to the hollow main rod (63); the helical blade (634) is arranged on the cross shaft (633), and the helical blade (634) is used for driving the cross shaft (633) to rotate;
the drying unit (7) comprises a first gear (71), a second gear (72), a second rotating shaft (73), a cam (74), a rack (75), a second return spring (76), a third gear (77) and an electric heating plate (78), wherein the first gear (71) is arranged on the rotating shaft (3); the second gear (72) is meshed with the first gear (71), and the number of the second gears (72) is two; the second rotating shaft (73) is arranged on the first gear (71); the cam (74) is arranged on the second rotating shaft (73); a hollow cavity is formed in the side wall of the box body (1); the rack (75) is positioned in a hollow cavity inside the box body (1), and the upper end of the rack (75) is contacted with the cam (74); one end of a second reset spring (76) is connected with the lower end of the rack (75), and the other end of the second reset spring (76) is fixedly connected with the box body (1); the number of the third gear (77) is five, the third gear (77) is meshed with the rack (75), and the third gear (77) is arranged on the side wall of the box body (1); the electric heating plate (78) is arranged on the gear III (77).
2. The sterilization dryer as claimed in claim 1, wherein: the through hole on the foremost end of the hollow supporting rod (64) is provided with a hemispherical cap (641), and the hemispherical cap (641) is provided with a multidirectional through hole.
3. The sterilization dryer as claimed in claim 1, wherein: the surface of the electric heating plate (78) is provided with a layer of mirror surface (781), and the mirror surface (781) is used for reflecting ultraviolet rays.
4. A method of sterilizing medical instruments using the sterilization dryer according to any one of claims 1 to 3, comprising the steps of: pulling out the supercritical carbon dioxide sterilization unit (6) from the box body (1), and placing appliances to be sterilized on the supercritical carbon dioxide sterilization unit (6) by medical personnel;
pushing the supercritical carbon dioxide sterilization unit (6) in the step one into the box body (1), sealing the door of the box body (1), starting the supercritical carbon dioxide generation device (4), and filling the supercritical carbon dioxide into the box body (1);
step three, when the supercritical carbon dioxide in the step two is filled into the box body (1), starting the ultraviolet lamp sterilization unit (5) and simultaneously performing ultraviolet sterilization on the appliances;
and step four, the drying unit (7) is started while the supercritical carbon dioxide in the step two is filled into the box body (1), and the appliances are dried while being sterilized.
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| CN201810283766.3A CN108273080B (en) | 2018-04-02 | 2018-04-02 | Sterilization drying instrument and medical instrument sterilization treatment method |
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| CN201810283766.3A CN108273080B (en) | 2018-04-02 | 2018-04-02 | Sterilization drying instrument and medical instrument sterilization treatment method |
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| CN108273080B true CN108273080B (en) | 2020-11-13 |
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| CN113082240B (en) * | 2021-04-02 | 2023-03-28 | 义利北冰洋(北京)食品有限公司 | Food filling metal tank disinfection and sterilization treatment method |
| CN115607701B (en) * | 2022-11-10 | 2024-03-22 | 江门华大生物科技有限公司 | Irradiation sterilization method of porous interbody fusion cage |
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