CN107823663A - A kind of efficient easily pediatric nursing cleaning sterilizing device - Google Patents

A kind of efficient easily pediatric nursing cleaning sterilizing device Download PDF

Info

Publication number
CN107823663A
CN107823663A CN201711280870.9A CN201711280870A CN107823663A CN 107823663 A CN107823663 A CN 107823663A CN 201711280870 A CN201711280870 A CN 201711280870A CN 107823663 A CN107823663 A CN 107823663A
Authority
CN
China
Prior art keywords
sleeve
housing
transverse slat
inlet pipe
cleaning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711280870.9A
Other languages
Chinese (zh)
Other versions
CN107823663B (en
Inventor
李艳阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Third Xiangya Hospital of Central South University
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201711280870.9A priority Critical patent/CN107823663B/en
Publication of CN107823663A publication Critical patent/CN107823663A/en
Application granted granted Critical
Publication of CN107823663B publication Critical patent/CN107823663B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08Radiation
    • A61L2/10Ultraviolet radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/04Heat
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2202/00Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/10Apparatus features
    • A61L2202/17Combination with washing or cleaning means
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L2202/00Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20Targets to be treated
    • A61L2202/24Medical instruments, e.g. endoscopes, catheters, sharps

Landscapes

  • 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)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention discloses a kind of efficient easily pediatric nursing cleaning sterilizing device, including housing, the upper end of the housing is hinged with lid door, the inner upper end of the housing is transversely provided with some movable plates, groove is arranged with the inwall of the housing opposite side, and the both ends of movable plate are respectively positioned in groove, the inside of the housing is additionally provided with transverse slat, and transverse slat is located at the lower section of movable plate, the upper end of the transverse slat is provided with cleaning and sterilizing case, the cleaning and sterilizing case includes the first sleeve and second sleeve, the inside of first sleeve and second sleeve is equipped with cavity, some first purge chambers are provided between first sleeve and second sleeve, and first purge chamber connected with the inside of the first sleeve, the middle part of the second sleeve forms the second purge chamber.The present invention greatly improves the disinfection efficiency of apparatus in pediatric nursing, and by a variety of disinfection way, adds the universality of sterilization, greatly saves the time of sterilization.

Description

A kind of efficient easily pediatric nursing cleaning sterilizing device
Technical field
The present invention relates to pediatric nursing technical field, more particularly to a kind of efficient easily pediatric nursing to be filled with cleaning and sterilizing Put.
Background technology
Special nursing equipment is often used in paediatrics, because neonatal immune system is just developed, therefore will It is more prone to be injured by the external world than adult, therefore equipment used in neonate will carry out cleaning and sterilizing, prevent outer Boundary germ grows and infected, but the disinfection way of pediatric nursing equipment uses traditional moise-heat sterilization mostly at present, this It is single that disinfection way not only sterilizes means, it is possible to reduces the efficiency of sterilization, and also waits for equipment natural cooling after sterilizing Dry, use is very inconvenient, therefore, a kind of it is proposed that pediatric nursing cleaning sterilizing device.
The content of the invention
The invention aims to solve shortcoming present in prior art, and the efficient easily paediatrics of the one kind proposed Nursing cleaning sterilizing device.
To achieve these goals, present invention employs following technical scheme:
A kind of efficiently easily pediatric nursing cleaning sterilizing device, including housing, the upper end of the housing are hinged with lid door, institute The inner upper end for stating housing is transversely provided with some movable plates, groove is arranged with the inwall of the housing opposite side, and move The both ends of dynamic plate are respectively positioned in groove, and the inside of the housing is additionally provided with transverse slat, and transverse slat is located at the lower section of movable plate, the horizontal stroke The upper end of plate is provided with cleaning and sterilizing case, and the cleaning and sterilizing case includes the first sleeve and second sleeve, first sleeve and The inside of two sleeves is equipped with cavity, some first purge chambers is provided between first sleeve and second sleeve, and first is clear The inside of chamber wash and the first sleeve connects, and the middle part of the second sleeve forms the second purge chamber, and first clear described in each two Connecting tube is equipped between chamber wash, and the first sleeve is connected by connecting tube with second sleeve, the side of first sleeve connects Air inlet pipe is connected with, side of the air inlet pipe away from the first sleeve is provided with atomizer, the one end of the atomizer away from air inlet pipe Provided with water inlet pipe, the one end of the water inlet pipe away from atomizer is provided with water tank, and the water tank is arranged on the upper end of transverse slat, and water tank It is interior to be provided with water pump, heating tube, the transverse slat and cleaning and sterilizing are equiped with the water inlet pipe between the atomizer and water tank The junction of case is provided with through hole, and inside of the through hole respectively with the first purge chamber and the second purge chamber connects, in the transverse slat also Baffle plate is inserted with, and the position of baffle plate and through hole, size specification are corresponding, one end of the baffle plate is through the side of transverse slat and housing Wall simultaneously stretches out, and the downside of the transverse slat is provided with feeding plate, and feeding plate is arranged on through hole edge, the inside of the housing Lower end is provided with drying unit.
Preferably, the drying unit includes collecting box, heater and material containing net, and the material containing net is horizontally installed on receipts The inside of header, the heater are arranged between material containing net and the bottom wall of collecting box, and heater uses heating wire.
Preferably, the upper end of the cleaning and sterilizing case is provided with switch cover.
Preferably, some apertures are uniformly provided with wall inside and outside the madial wall of first sleeve and second sleeve, And high temperature resistant protection network is equipped with the inwall of aperture.
Preferably, the junction of the atomizer and air inlet pipe is sealed connection.
Preferably, the side lateral wall of the collecting box is provided with blower fan, side side wall of the collecting box away from blower fan Passage is equipped with side side wall of the housing away from blower fan.
In the present invention, first, baffle plate is inserted in through hole, and it is inconsistent with feeding plate, lid door is then opened, it is mobile Plate, it is convenient to be divided to different size to be respectively put into the first purge chamber, the second purge chamber and two first on the apparatus for needing to sterilize Between purge chamber, movable plate is then moved to the upper end of cleaning and sterilizing case, ultraviolet lamp is opened, tentatively ultraviolet is carried out to apparatus Line sterilization processing, then water is carried out being atomized it by the water pump in water tank by the heating tube heating on water inlet pipe and atomizer Afterwards, water becomes high temperature water smoke, then is entered by air inlet pipe in the first sleeve and the cavity of second sleeve, and high temperature water smoke passes through afterwards Aperture is cleaned and sterilized to apparatus, after continuing for some time, is switched off the pump, and extracts baffle plate out, now, apparatus passes through blanking It is online that plate falls on material containing, starts heater and blower fan, heater are dried to apparatus, blower fan can accelerate the mistake of drying Journey, the present invention greatly improves the disinfection efficiency of apparatus in pediatric nursing, and by a variety of disinfection way, adds sterilization Universality, greatly save time of sterilization.
Brief description of the drawings
Fig. 1 is a kind of structural representation of efficient easily pediatric nursing cleaning sterilizing device proposed by the present invention;
Fig. 2 is a kind of efficiently easily structural representation of pediatric nursing cleaning sterilizing device cleaning and sterilizing case proposed by the present invention Figure.
In figure:1 housing, 2 lid doors, 3 movable plates, 4 grooves, 5 ultraviolet lamps, 6 handles, 7 cleaning and sterilizing casees, 8 first sleeves, 9 second sleeves, 10 second purge chambers, 11 first purge chambers, 12 connecting tubes, 13 transverse slats, 14 feeding plates, 15 water tanks, 16 heating tubes, 17 atomizers, 18 collecting boxs, 19 heaters, 20 material containing nets.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Reference picture 1-2, a kind of efficiently easily pediatric nursing cleaning sterilizing device, including housing 1, the upper end of housing 1 Lid door 2 is hinged with, the inner upper end of housing 1 is transversely provided with some movable plates 3, is arranged with the inwall of the opposite side of housing 1 Groove 4, and the both ends of movable plate 3 are respectively positioned in groove 4, the inside of housing 1 is additionally provided with transverse slat 13, and transverse slat 13 is located at movable plate 3 lower section, the upper end of transverse slat 13 is provided with cleaning and sterilizing case 7, and the upper end of cleaning and sterilizing case 7 is provided with switch cover, cleaning and sterilizing case 7 Including the first sleeve 8 and second sleeve 9, if being uniformly provided with inside and outside the madial wall of the first sleeve 8 and second sleeve 9 on wall Dry aperture, and high temperature resistant protection network is equipped with the inwall of aperture, the inside of the first sleeve 8 and second sleeve 9 is equipped with cavity, Some first purge chambers 11, and the first purge chamber 11 and the inside of the first sleeve 8 are provided between first sleeve 8 and second sleeve 9 Connection, the middle part of second sleeve 9 forms the second purge chamber 10, and is equipped with connecting tube 12 between the first purge chamber of each two 11, And first sleeve 8 connected by connecting tube 12 with second sleeve 9, the side of the first sleeve 8 is communicated with air inlet pipe, and air inlet pipe is remote The side of first sleeve 8 is provided with atomizer 17, and the junction of atomizer 17 and air inlet pipe is is tightly connected, atomizer 17 is remote One end of air inlet pipe is provided with water inlet pipe, and the one end of water inlet pipe away from atomizer 17 is provided with water tank 15, and water tank 15 is arranged on transverse slat 13 Upper end, and water tank 15 in be provided with water pump, heating tube 16 is equiped with the water inlet pipe between atomizer 17 and water tank 15, horizontal stroke The junction of plate 13 and cleaning and sterilizing case 7 is provided with through hole, and through hole respectively with the first purge chamber 11 and the second purge chamber 10 Portion is connected, and baffle plate is also inserted with transverse slat 13, and the position of baffle plate and through hole, size specification are corresponding, and one end of baffle plate is run through The side wall of transverse slat 13 and housing 1 simultaneously stretches out, and the downside of transverse slat 13 is provided with feeding plate 14, and feeding plate 14 is arranged on through hole side At, the interior lower end of housing 1 is provided with drying unit, and drying unit includes collecting box 18, heater 19 and material containing net 20, carries Material net 20 is horizontally installed on the inside of collecting box 18, and heater 19 is arranged between the bottom wall of material containing net 20 and collecting box 18, And heater 19 uses heating wire, the side lateral wall of collecting box 18 is provided with blower fan, side of the collecting box 18 away from blower fan The side side wall of side wall and housing 1 away from blower fan is equipped with ventilation.
In the present invention, baffle plate is inserted in through hole, and it is inconsistent with feeding plate 14, then open lid door 2, mobile movable plate 3, it is convenient to be divided to different size to be respectively put into the first purge chamber 11, the second purge chamber 10 and two the on the apparatus for needing to sterilize Between one purge chamber 11, movable plate 3 is then moved to the upper end of cleaning and sterilizing case 7, ultraviolet lamp 5 is opened, apparatus is carried out just The ultraviolet sterilization processing of step, is then heated water the water pump in water tank 15 and atomizer by the heating tube 16 on water inlet pipe After 17 are atomized, water becomes high temperature water smoke, then is entered by air inlet pipe in the first sleeve 8 and the cavity of second sleeve 9, it High temperature water smoke is cleaned and sterilized to apparatus by aperture afterwards, after continuing for some time, is switched off the pump, and extracts baffle plate out, this When, apparatus is fallen on material containing net 20 by feeding plate 14, starts heater 19 and blower fan, heater 19 are dried to apparatus Dry, blower fan can accelerate the process of drying.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto, Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.

Claims (6)

  1. A kind of 1. efficiently easily pediatric nursing cleaning sterilizing device, including housing(1), it is characterised in that the housing(1) Upper end be hinged with lid door(2), the housing(1)Inner upper end be transversely provided with some movable plates(3), the housing(1)Phase To being arranged with groove on the inwall of side(4), and movable plate(3)Both ends be respectively positioned on groove(4)It is interior, the housing(1)'s Inside is additionally provided with transverse slat(13), and transverse slat(13)Positioned at movable plate(3)Lower section, the transverse slat(13)Upper end disappear provided with cleaning Malicious case(7), the cleaning and sterilizing case(7)Including the first sleeve(8)And second sleeve(9), first sleeve(8)With second set Cylinder(9)Inside be equipped with cavity, first sleeve(8)And second sleeve(9)Between be provided with some first purge chambers(11), And first purge chamber(11)With the first sleeve(8)Inside connection, the second sleeve(9)Middle part formed the second purge chamber (10), and the first purge chamber described in each two(11)Between be equipped with connecting tube(12), and the first sleeve(8)Pass through connecting tube (12)And second sleeve(9)Connection, first sleeve(8)Side be communicated with air inlet pipe, the air inlet pipe is away from first set Cylinder(8)Side be provided with atomizer(17), the atomizer(17)One end away from air inlet pipe is provided with water inlet pipe, the water inlet pipe Away from atomizer(17)One end be provided with water tank(15), the water tank(15)It is arranged on transverse slat(13)Upper end, and water tank(15) It is interior to be provided with water pump, positioned at the atomizer(17)And water tank(15)Between water inlet pipe on be equiped with heating tube(16), the horizontal stroke Plate(13)With cleaning and sterilizing case(7)Junction be provided with through hole, and through hole respectively with the first purge chamber(11)With the second purge chamber (10)Inside connection, the transverse slat(13)Baffle plate is inside also inserted with, and the position of baffle plate and through hole, size specification are corresponding, Transverse slat is run through in one end of the baffle plate(13)And housing(1)Side wall and stretch out, the transverse slat(13)Downside be provided with Flitch(14), and feeding plate(14)It is arranged on through hole edge, the housing(1)Interior lower end be provided with drying unit.
  2. 2. a kind of efficient easily pediatric nursing cleaning sterilizing device according to claim 1, it is characterised in that described Drying unit includes collecting box(18), heater(19)With material containing net(20), the material containing net(20)It is horizontally installed on collection Case(18)Inside, the heater(19)It is arranged on material containing net(20)And collecting box(18)Bottom wall between, and heat dress Put(19)Using heating wire.
  3. 3. a kind of efficient easily pediatric nursing cleaning sterilizing device according to claim 1, it is characterised in that described Cleaning and sterilizing case(7)Upper end be provided with switch cover.
  4. 4. a kind of efficient easily pediatric nursing cleaning sterilizing device according to claim 1, it is characterised in that described First sleeve(8)Madial wall and second sleeve(9)Inside and outside be uniformly provided with some apertures on wall, and on the inwall of aperture It is equipped with high temperature resistant protection network.
  5. 5. a kind of efficient easily pediatric nursing cleaning sterilizing device according to claim 1, it is characterised in that described Atomizer(17)Junction with air inlet pipe is sealed connection.
  6. 6. a kind of efficient easily pediatric nursing cleaning sterilizing device according to claim 2, it is characterised in that described Collecting box(18)Side lateral wall be provided with blower fan, the collecting box(18)Side side wall and housing away from blower fan(1)Far Side side wall from blower fan is equipped with passage.
CN201711280870.9A 2017-12-07 2017-12-07 Efficient and convenient cleaning and disinfecting device for pediatric nursing Expired - Fee Related CN107823663B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711280870.9A CN107823663B (en) 2017-12-07 2017-12-07 Efficient and convenient cleaning and disinfecting device for pediatric nursing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711280870.9A CN107823663B (en) 2017-12-07 2017-12-07 Efficient and convenient cleaning and disinfecting device for pediatric nursing

Publications (2)

Publication Number Publication Date
CN107823663A true CN107823663A (en) 2018-03-23
CN107823663B CN107823663B (en) 2020-07-03

Family

ID=61641590

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711280870.9A Expired - Fee Related CN107823663B (en) 2017-12-07 2017-12-07 Efficient and convenient cleaning and disinfecting device for pediatric nursing

Country Status (1)

Country Link
CN (1) CN107823663B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040101456A1 (en) * 2002-11-26 2004-05-27 Olympus Corporation Storage device for steam sterilizing
CN204535286U (en) * 2015-01-15 2015-08-05 江西四面体科技有限公司 Possesses the vacuum drier of pollution-proof performance
CN204521571U (en) * 2015-03-30 2015-08-05 宋姝 A kind of Chinese medicine acupuncture box
CN206651951U (en) * 2016-12-15 2017-11-21 吕艳伟 It is a kind of can high-temperature sterilization Medical handcart
CN206692784U (en) * 2017-02-28 2017-12-01 辽宁薇黛儿服饰有限公司 A kind of weaving purifies drying unit with eider down

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040101456A1 (en) * 2002-11-26 2004-05-27 Olympus Corporation Storage device for steam sterilizing
CN204535286U (en) * 2015-01-15 2015-08-05 江西四面体科技有限公司 Possesses the vacuum drier of pollution-proof performance
CN204521571U (en) * 2015-03-30 2015-08-05 宋姝 A kind of Chinese medicine acupuncture box
CN206651951U (en) * 2016-12-15 2017-11-21 吕艳伟 It is a kind of can high-temperature sterilization Medical handcart
CN206692784U (en) * 2017-02-28 2017-12-01 辽宁薇黛儿服饰有限公司 A kind of weaving purifies drying unit with eider down

Also Published As

Publication number Publication date
CN107823663B (en) 2020-07-03

Similar Documents

Publication Publication Date Title
CN201469703U (en) Steam sterilizing pan
CN107876458A (en) A kind of drying integrated device of medicine equipment cleaning and sterilizing
CN106963501A (en) A kind of scalpel cleaning device and its cleaning application method
CN211823540U (en) Medical instrument drying equipment with disinfection function
CN206391228U (en) Medical instrument cleaning device with disinfection function
CN105363047A (en) Hot-air drying sterilization device
CN209450980U (en) Disinfection cabinet with heat dissipation and drying structure
CN110318192B (en) Clothing stoving degassing unit
CN107823663A (en) A kind of efficient easily pediatric nursing cleaning sterilizing device
CN204072824U (en) A kind of dried disinfecting device
CN208464707U (en) Chlorination equipment and Domestic sterilising cupboard
CN207539977U (en) A kind of range hood
CN213553959U (en) Degassing unit is used in mother and infant's nursing
CN110665022A (en) Automatic feeding bottle sterilizer and sterilization method thereof
CN211609307U (en) Degassing unit is used in chafing dish apparatus production
CN205279638U (en) Traditional chinese medicine stoving sterilization apparatus
CN206755781U (en) A kind of chrysanthemum deoxygenation sterilizing and drying device
CN113907674A (en) Feeding bottle cleaning and disinfecting machine based on vapor circulation
CN203167934U (en) Automatic drying and disinfecting machine for sugar cane
CN214859445U (en) Cardiovascular is apparatus degassing unit for internal medicine
CN109806418A (en) A kind of sterilizing installation to keep off infection
CN212261958U (en) Medical instrument disinfection device
CN211068187U (en) Degassing unit is used in mother and infant's nursing
CN210904236U (en) Paediatrics nursing degassing unit
CN207949366U (en) A kind of disinfecting buffet

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Zhao Mingyi

Inventor after: Liu Lin

Inventor after: Wu Zhixiang

Inventor after: Li Yanyang

Inventor before: Li Yanyang

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200608

Address after: 410000 No. 138, Tongzi Road, Yuelu District, Hunan, Changsha

Applicant after: THE THIRD XIANGYA HOSPITAL OF CENTRAL SOUTH University

Address before: 475000 Henan kaifengd Menlow Road Economic Development Zone champs garden B District 27 Building 1 unit 302 room

Applicant before: Li Yanyang

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200703

Termination date: 20211207