CN104691931A - Pressure type medical box with double antibacterial barriers - Google Patents
Pressure type medical box with double antibacterial barriers Download PDFInfo
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- CN104691931A CN104691931A CN201510091195.XA CN201510091195A CN104691931A CN 104691931 A CN104691931 A CN 104691931A CN 201510091195 A CN201510091195 A CN 201510091195A CN 104691931 A CN104691931 A CN 104691931A
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- circular protrusion
- resistance bacterium
- pressure type
- barrier
- lid
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Abstract
The invention discloses a pressure type medical box with double antibacterial barriers. The medical box comprises a box body and a box cover connected with the box body in a sealed manner, wherein a vent hole is formed in the box cover; a sealing ring, a first annular bulge and an antibacterial disc are arranged at the bottom of the box cover; the box cover is in assembling connection with the antibacterial disc; a second annular bulge matched with the first annular bulge is arranged on the upper surface of the antibacterial disc; the first annular bulge and the second annular bulge are in staggered matching and are sleeved by each other so as to form a first antibacterial barrier; a closing component is arranged on the box cover; the closing component comprises a plunger base, a connecting shaft and a sealing piece; the sealing piece and the sealing ring are in slope shaped thinned sealing contact; the box cover and the closing component form a second antibacterial barrier. The medical box disclosed by the invention has the characteristics of simple structure, low cost, long service life, convenience in use and low failure risk.
Description
Technical field
The present invention relates to technical field of medical instruments, specifically refer to the medical box of a kind of pressure type dual resistance bacterium barrier.
Background technology
The object of multiplex medical instruments packaging is that after maintaining sterilizing, sterile instruments carries out depositing, transporting under aseptic conditions, and guarantees still to keep aseptic before use, so the quality of packaging is one of important step ensureing sterilizing article quality;
Hard packing system is mainly based on sterilization cassette, and sterilization cassette is reusable rigid containers, and housing is main material with aluminum alloy or corrosion-resistant steel; Mainly there is following resistance bacterium mode in the sterile barrier system of sterilization cassette, more conventional way plays the effect of resistance bacterium at air extractor vent coated with filter paper, and all need before this series products uses at every turn to carry out replacing filter paper, namely filter paper is single use, and use cost is high; Another kind adopts valve-type sterile barrier structure, and in the process of steam sterilizing, valve automatically can be opened under the effect of sterilization cassette external and internal pressure difference, realizes the exchange of steam and air; Using valve mechanism as resistance bacterium structure, because valve mechanism is mechanical device, after repeatedly using, there is the risk lost efficacy, and the comparison difficulty lost efficacy, level of application is not high yet.
Be directed to this, Chinese invention patent CN201420216790.2 and Chinese invention patent CN201420217174.9 discloses labyrinth type sterile system, form labyrinth type air communication channel carry out sterile barrier by arranging some first circular protrusions and the second circular protrusion at air extractor vent and tray interior space, without the need to filter paper, static resistance bacterium structure, is far longer than other sterilization method service life.But, also there is certain defect in actual use in this kind of mode, is exactly that air extractor vent and space outerpace are completely not isolated, in switching process, easily forms circulating air, and microbes enters under gravity and roundaboutly enters box body, increase the risk of sterile barrier thrashing.
Summary of the invention
The object of this invention is to provide the medical box of a kind of pressure type dual resistance bacterium barrier, the basis of labyrinth type sterile barrier system sterilization cassette is carried out Optimal improvements and forms dual sterile barrier, have that structure is simple, with low cost, long service life, the feature that easy to use and failure risk is low.
The present invention can be achieved through the following technical solutions:
The invention discloses the medical box of a kind of pressure type dual resistance bacterium barrier, comprise box body and the lid that be connected airtight with box body, it is characterized in that: described lid is provided with air extractor vent, closed loop, the first circular protrusion and resistance bacterium dish is provided with bottom described lid, described lid and resistance bacterium dish assembly connection, resistance bacterium dish upper surface is provided with the second circular protrusion matched with the first circular protrusion, and described first circular protrusion and the dislocation of the second circular protrusion coincide and be mutually inserted in, and form first and heavily hinder bacterium barrier; Lid arranges closing assembly, and described closing assembly comprises plunger mat, adapter shaft and airtight, and airtight be the thinning close contact of ramped shaped with closed loop, and described lid and closing assembly form the second heavy resistance bacterium barrier.Below adapter shaft, arrange airtight by adopting, airtight with the closed loop close contact be looped around outside air extractor vent, can ensure the germ-free condition under normal operating condition, structure is very simple, completely cuts off antibacterial effect good.Meanwhile, because airtight and the contact position of closed loop are ramped shaped, can tilt downward or upward under different atmospheric pressure states and form gas passage, high-temperature sterilization is carried out to box body inner chamber, very easy to use.Heavily hinder formation second on bacterium barrier basis mazy first and heavily hinder bacterium barrier, form the medical box of dual sterile barrier, there is longer service life.Use procedure is without the need to carrying out loaded down with trivial details operation and introducing consumptive material, and use cost is more saved.
Described resistance bacterium dish is connected with the bottom of plunger mat, and the outside of described resistance bacterium dish is provided with air ventilation passage.By the outer side gas circulation of resistance bacterium dish, both effectively can ensure that high-temperature steam effectively covered the whole inner space of box body in the process of sterilizing, after high-temperature sterilization, avoid again tray interior to be communicated with the direct of outside air.
Described first circular protrusion is relative with the second circular protrusion length dislocation, and the first adjacent circular protrusion length is staggered interval, and the second adjacent circular protrusion length misplaces and is separated by, and is provided with gas circuit passage gaps between described first circular protrusion and the second circular protrusion.Form gaseous fluid buffer channel by circular protrusion, make the circulation of tray interior and outside air form roundabout buffer channel, both ensure that the effect of high-temperature sterilization, after high-temperature sterilization, avoid again tray interior to be communicated with the direct of outside air further.
Described resistance bacterium dish, the first circular protrusion and the second ring-type are that depressed is arranged on bottom lid, ensure the effect of air cushioning further, ensure sterilization effect and isolated effect.
Described airtight material is silica gel or polyphenylene sulphone resin, can withstand high temperatures, meets the requirement of multiple high temp steam sterilizing.
Described air extractor vent and outside air gas circuit vertical connection, thus form T-shaped cushion space when outside air flows into, reduce the risk that outside air is directly communicated with tray interior further.
The material of described box body is aluminum alloy or corrosion-resistant steel, can meet the requirement repeatedly recycling thermophilic digestion sterilizing.
Described box body and lid close contact place are provided with silicone gasket, effectively ensure that tray interior forms airtight environment, avoid the pollution being subject to external environment bacterium after high-temperature sterilization.
The medical box of a kind of pressure type of the present invention dual resistance bacterium barrier, has following beneficial effect:
The first, structure is simple, bottom plunger mat, airtight is arranged by closing assembly, to be formed with the elastic deformation of closed loop contact position by airtight and realize opening sterilizing and form second every bacterium heavily hinder bacterium barrier with closing, heavily hinder bacterium barrier formation double barrier with mazy first, the physical construction comparing valve-type is more simple;
The second, with low cost, second closing assembly heavily hindering bacterium barrier adopts pressure type structure to compare traditional valve-type structure more simply effectively can reduce manufacturing cost, bacterium barrier formation double barrier is heavily hindered by heavily hindering bacterium barrier increase pressure type first mazy first, namely can be recycled without the need to consumptive materials such as such as filter paper, use cost is saved more;
Three, long service life, pressure type structure can not produce mechanical fatigue, and airtight elastically-deformable process can not produce wearing and tearing, and pressure type screening channel and labyrinth type buffering screening channel form dual sterile barrier, effectively ensure the life-span recycled;
Four, easy to use, direct weighting or vacuumize can make airtight occur elastic deformation realize the unlatching of high-temperature sterilization and high-temperature sterilization after gas circuit close, without the need to changing filter paper, avoid the risk of the turning operation of such as maze-type structure, more there is no valve-type structure for the requirement of air pressure, simplify use procedure;
Five, failure risk is low, due to the wearing and tearing of pressure type structural inorganic tool, use procedure is without the need to carrying out risk control to upset, there is not the problem changing filter paper yet, in addition cushioning screening channel with labyrinth type with the use of forming dual sterile barrier, thus there is in failure risk higher stability.
Accompanying drawing explanation
Accompanying drawing 1 is the medical box cross-sectional view of a kind of pressure type of the present invention dual resistance bacterium barrier;
Accompanying drawing 2 is the normal air-tight state close-up schematic view of medical box of a kind of pressure type of the present invention dual resistance bacterium barrier;
Accompanying drawing 3 is the medical box vacuumizing and exhausting state close-up schematic view of a kind of pressure type of the present invention dual resistance bacterium barrier;
Accompanying drawing 4 is the medical box high-temp steam sterilizing state close-up schematic view of a kind of pressure type of the present invention dual resistance bacterium barrier;
In accompanying drawing, mark comprises: 1, box body, and 2, lid, 3, plunger mat, 4, air extractor vent, 5, adapter shaft, 6, airtight, 7, closed loop, 8, cover of plunger, 9, resistance bacterium dish, the 10, first circular protrusion, the 11, second circular protrusion.
Detailed description of the invention
In order to make those skilled in the art person understand technical scheme of the present invention better, below in conjunction with embodiment and accompanying drawing, product of the present invention is described in further detail.
As shown in Figure 1, the invention discloses the medical box of a kind of pressure type dual resistance bacterium barrier, comprise box body 1 and the lid 2 that be connected airtight with box body 1, described lid 2 is provided with air extractor vent 4, closed loop 7 is provided with bottom described lid 2, first circular protrusion 10 and resistance bacterium dish 9, closed loop 7 is looped around below air extractor vent 4, closed loop 7 is parallel with the first circular protrusion 10 and leave the gap of air circulation, described lid 2 and resistance bacterium dish 9 assembly connection, resistance bacterium dish 9 upper surface is provided with the second circular protrusion 11 matched with the first circular protrusion 10, described first circular protrusion 10 and the dislocation of the second circular protrusion 11 coincide and are mutually inserted in, form first and heavily hinder bacterium barrier, lid 2 arranges closing assembly, described closing assembly comprises plunger mat 3, adapter shaft 5 and airtight 6, adapter shaft 5 is positioned at the center of plunger mat 3, the bottom of adapter shaft 5 is connected with airtight 6, airtight 6 is the thinning close contact of ramped shaped with closed loop 7, and described lid 2 and closing assembly form second and heavily hinder bacterium barrier.Described resistance bacterium dish 9 is connected with the bottom of plunger mat 3, and the outside of described resistance bacterium dish 9 is provided with air ventilation passage.Described first circular protrusion 10 is relative with the second circular protrusion 11 length dislocation, the first adjacent circular protrusion 10 length is staggered interval, the second adjacent circular protrusion 11 length dislocation is separated by, and is provided with gas circuit passage gaps between described first circular protrusion 10 and the second circular protrusion 11.Described resistance bacterium dish 9, first circular protrusion 10 and the second ring-type are that depressed is arranged on bottom lid 2.The material of described airtight 6 is silica gel or polyphenylene sulphone resin.Described air extractor vent 4 and outside air gas circuit vertical connection.Described plunger mat 3 comprises the cover of plunger 8 protruding from lid 2.The material of described box body 1 is aluminum alloy or corrosion-resistant steel.Described box body 1 and lid 2 close contact place are provided with silicone gasket.
The specific works state of the medical box of a kind of pressure type disclosed by the invention dual resistance bacterium barrier as shown in Figure 2 to 4.In fig. 2, box body 1 is in normal air-tight state, and the space of air extractor vent 4 and box body 1 inside does not have air-flow, and airtight 6 does not produce deformation with the ramped shaped contact position of closed loop 7, and air extractor vent 4 and box body 1 inner space form state of isolation.In figure 3, the air of box body 1 inner chamber first will be discharged before carrying out high-temperature sterilization, forvacuum is carried out to air extractor vent 4, the pressure of air extractor vent 4 is caused to be less than box body 1 inner chamber during forvacuum, thus make airtight 6 to be upturned with the ramped shaped contact position of closed loop 7, form gas circuit path clearance between airtight 6 and closed loop 7, pressure official post air-flow flows out from box body 1 inner chamber toward air extractor vent 4.In the diagram, in order to carry out sterilizing to box body 1 inner chamber, high-temperature steam is introduced at air extractor vent 4 place, high-temperature steam is large at the pressure of pressure ratio box body 1 inner chamber at air extractor vent 4 place, the pressure official post airtight 6 of air extractor vent 4 and box body 1 inner chamber tilts downwards with the ramped shaped contact position of closed loop 7, form gas circuit path clearance between airtight 6 and closed loop 7, the confined space that high-temperature steam enters box body 1 inner chamber from air extractor vent 4 carries out sterilizing.After thermophilic digestion sterilizing, the shape of airtight 6 restores to the original state, and airtight 6 returns to the state with closed loop 7 close contact in Fig. 2 with the ramped shaped contact position of closed loop 7.
The above, be only preferred embodiment of the present invention, not does any pro forma restriction to the present invention; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the present invention swimmingly; But all those skilled in the art are not departing within the scope of technical solution of the present invention, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present invention; Meanwhile, all according to substantial technological of the present invention to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection domain all still belonging to technical scheme of the present invention.
Claims (9)
1. the medical box of a pressure type dual resistance bacterium barrier, comprise box body (1) and the lid (2) that be connected airtight with box body (1), it is characterized in that: described lid (2) is provided with air extractor vent (4), described lid (2) bottom is provided with closed loop (7), first circular protrusion (10) and resistance bacterium dish (9), described lid (2) and resistance bacterium dish (9) assembly connection, resistance bacterium dish (9) upper surface is provided with the second circular protrusion (11) matched with the first circular protrusion (10), described first circular protrusion (10) and the second circular protrusion (11) dislocation coincide and are mutually inserted in, form first and heavily hinder bacterium barrier, (2) arrange closing assembly to lid, described closing assembly comprises plunger mat (3), adapter shaft (5) and airtight (6), airtight (6) and closed loop (7) be thinning close contact in ramped shaped, and described lid (2) and closing assembly form second and heavily hinder bacterium barrier.
2. the medical box of pressure type according to claim 1 dual resistance bacterium barrier, is characterized in that: described resistance bacterium dish (9) is connected with the bottom of plunger mat (3), and the outside of described resistance bacterium dish (9) is provided with air ventilation passage.
3. the medical box of pressure type according to claim 2 dual resistance bacterium barrier, it is characterized in that: described first circular protrusion (10) is relative with the dislocation of the second circular protrusion (11) length, adjacent the first circular protrusion (10) length is staggered interval, adjacent the second circular protrusion (11) length dislocation is separated by, and is provided with gas circuit passage gaps between described first circular protrusion (10) and the second circular protrusion (11).
4. the medical box of pressure type according to claim 3 dual resistance bacterium barrier, is characterized in that: described resistance bacterium dish (9), the first circular protrusion (10) and the second ring-type are that depressed is arranged on lid (2) bottom.
5. the medical box of the pressure type dual resistance bacterium barrier according to any one of claim 2 ~ 4 claim, is characterized in that: the material of described airtight (6) is silica gel or polyphenylene sulphone resin.
6. the medical box of pressure type according to claim 5 dual resistance bacterium barrier, is characterized in that: described air extractor vent (4) and outside air gas circuit vertical connection.
7. the medical box of pressure type according to claim 6 dual resistance bacterium barrier, is characterized in that: described plunger mat (3) comprises the cover of plunger (8) protruding from lid (2).
8. the medical box of pressure type according to claim 7 dual resistance bacterium barrier, is characterized in that: the material of described box body (1) is aluminum alloy or corrosion-resistant steel.
9. the medical box of pressure type according to claim 8 dual resistance bacterium barrier, is characterized in that: described box body (1) and lid (2) close contact place are provided with silicone gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510091195.XA CN104691931B (en) | 2015-03-02 | 2015-03-02 | A kind of medical box of the dual resistance bacterium barrier of pressure type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510091195.XA CN104691931B (en) | 2015-03-02 | 2015-03-02 | A kind of medical box of the dual resistance bacterium barrier of pressure type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104691931A true CN104691931A (en) | 2015-06-10 |
| CN104691931B CN104691931B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510091195.XA Active CN104691931B (en) | 2015-03-02 | 2015-03-02 | A kind of medical box of the dual resistance bacterium barrier of pressure type |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275675A (en) * | 1993-03-06 | 1994-09-07 | Stephen Graham Rutherford | Ventable closure for pressurized containers |
| CN201010189Y (en) * | 2007-03-19 | 2008-01-23 | 上海市闵行中学 | Micro-wave oven heating container |
| CN201775817U (en) * | 2010-08-31 | 2011-03-30 | 杭州美美科技有限公司 | Disinfection and sterilization box |
| EP2356952A1 (en) * | 2010-01-26 | 2011-08-17 | Gottfried Storz, Medizintechnik GmbH & Co. KG | Sterile container |
| DE202012001872U1 (en) * | 2012-02-27 | 2012-03-19 | As Medizintechnik Gmbh | Germ retention device |
| CN103935620A (en) * | 2014-04-29 | 2014-07-23 | 域鑫科技（惠州）有限公司 | Packaging device of reuse medical instrument |
| CN204453265U (en) * | 2015-03-02 | 2015-07-08 | 域鑫科技（惠州）有限公司 | The medical box of a kind of pressure type dual resistance bacterium barrier |
-
2015
- 2015-03-02 CN CN201510091195.XA patent/CN104691931B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2275675A (en) * | 1993-03-06 | 1994-09-07 | Stephen Graham Rutherford | Ventable closure for pressurized containers |
| CN201010189Y (en) * | 2007-03-19 | 2008-01-23 | 上海市闵行中学 | Micro-wave oven heating container |
| EP2356952A1 (en) * | 2010-01-26 | 2011-08-17 | Gottfried Storz, Medizintechnik GmbH & Co. KG | Sterile container |
| CN201775817U (en) * | 2010-08-31 | 2011-03-30 | 杭州美美科技有限公司 | Disinfection and sterilization box |
| DE202012001872U1 (en) * | 2012-02-27 | 2012-03-19 | As Medizintechnik Gmbh | Germ retention device |
| CN103935620A (en) * | 2014-04-29 | 2014-07-23 | 域鑫科技（惠州）有限公司 | Packaging device of reuse medical instrument |
| CN204453265U (en) * | 2015-03-02 | 2015-07-08 | 域鑫科技（惠州）有限公司 | The medical box of a kind of pressure type dual resistance bacterium barrier |
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| CN104691931B (en) | 2017-03-15 |
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