CN115430076B - Infectious disease protection device - Google Patents
Infectious disease protection device Download PDFInfo
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- CN115430076B CN115430076B CN202211028562.8A CN202211028562A CN115430076B CN 115430076 B CN115430076 B CN 115430076B CN 202211028562 A CN202211028562 A CN 202211028562A CN 115430076 B CN115430076 B CN 115430076B
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- wiping
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- rope
- rod
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention relates to a protective device, in particular to an infectious disease protective device. The technical problem of the invention is as follows: provides an infectious disease protection device which is more convenient to operate when wiping the vapor attached to the inside and can be cleaned without taking off a mask. The invention provides an infectious disease protection device which comprises a transparent mask, a fixing bandage and a head band, wherein the fixing bandage is connected to the upper portion of the inner arc surface of the transparent mask, the head band is connected to the top of the fixing bandage, the infectious disease protection device further comprises a protection mechanism and a wiping mechanism, and the transparent mask is provided with the protection mechanism for isolating external germs and the wiping mechanism for wiping water vapor in the transparent mask. According to the invention, after the water vapor is attached to the inner wall of the transparent mask, the first wiping rod can be driven to wipe the water vapor on the inner wall of the transparent mask only by raising the head, so that the operation is more convenient, the mask does not need to be taken down, and the virus infection is effectively avoided.
Description
Technical Field
The invention relates to a protection device, in particular to an infectious disease protection device.
Background
In hospitals of modern society, particularly hospitals specially used for treating infectious viruses, in order to avoid the transmission of infectious germs, medical staff in the hospitals need to wear a protection device to prevent the infectious viruses from infecting themselves.
Through the retrieval, the patent of granted patent publication No. CN212973905U discloses an infectious disease protective face mask, including the gauze mask main part, hangers rope and eye-shade, the gauze mask main part passes through connecting cloth fixed connection with the eye-shade, the eye-shade left and right sides is connected with the pullover rope, gauze mask main part periphery is provided with gauze mask edge strip, gauze mask edge strip left and right sides is provided with the hangers rope, gauze mask edge strip upper edge middle part is provided with the nose and holds in the palm, gauze mask main part middle part is provided with the sack, the sack is provided with the stock chest, the sack forms the breathing zone with the gauze mask main part, the inside air guide that is provided with of breathing zone, the air guide includes pipeline and air duct, the air duct is vertical and passes through glue fixed connection with gauze mask main part contact surface, air duct and pipeline fixed connection and pipeline communicate with each other, can put into the medicine bag in the stock chest, it is elastic material to connect cloth and pullover rope. The storage tank can be filled with Chinese medicinal materials beneficial to human body, and gas discharged from nostrils enters the conduit along the gas-guide tube, so that the person can breathe smoothly.
The above patents suffer from the following disadvantages: the face guard when using, inside has great steam usually, and these steam can be attached to inside the eye-shade to influence the vision of wearer, consequently need clear up the steam in the eye-shade, and above-mentioned patent does not set up corresponding structure and clears up the steam in the eye-shade, only can pick off whole face guard and clean up, and is comparatively inconvenient during the operation, and also causes the infection of virus easily when taking off the face guard.
Therefore, there is a need for an infectious disease protection device that is more convenient to operate when wiping off vapor attached to the inside and can be cleaned without removing the mask.
Disclosure of Invention
In order to overcome the defects that the wiping of the water vapor attached to the inner wall of the eye mask is inconvenient, the mask needs to be taken off and the virus infection is easily caused in the prior art, the invention has the technical problems that: provides an infectious disease protection device which is more convenient to operate when wiping the vapor attached to the inside and can be cleaned without taking off a mask.
The technical scheme is as follows: the utility model provides an infectious disease protector, including transparent face guard, fixed bandage and bandeau, cambered surface upper portion in the transparent face guard is connected with fixed bandage, and the fixed bandage top is connected with the bandeau, still including protection machanism, wiping mechanism and drive mechanism, is equipped with on the transparent face guard to be used for carrying out isolated protection machanism and be used for carrying out the wiping mechanism that wipes to the inside steam of transparent face guard to outside germ, is equipped with on the protection machanism to be used for driving the drive mechanism that wipes the mechanism function.
Furthermore, the protection mechanism comprises a protection head sleeve and a protection cover, the top of the transparent cover is connected with the protection head sleeve, the protection cover is connected between the protection head sleeve and the transparent cover, and the bottom of the protection cover is arranged in an open mode and is suitable for being worn by medical staff.
Furthermore, the upper part of the protective cover is made of elastic material and is used for adapting to the deformation caused by the swing of the protective head cover.
Further, wiping mechanism is including first arc guide rail, connect the rope, first wiping arm and elastic component, transparent face guard intrados upper portion is connected with first arc guide rail, slidingtype is connected with the first wiping arm that is used for cleaning transparent face guard inner wall steam in the first arc guide rail, first wiping arm and transparent face guard medial surface contact, be connected with the elastic component between first wiping arm and the first arc guide rail, be connected with on the first wiping arm and connect the rope, connect the rope and run through first arc guide rail.
Further, drive mechanism is including the arc protective sheath, the guide bar, the conductor rope frame with press the rope frame, the protection casing rear side is connected with the guide bar, the guide bar lower part left and right sides all is connected with the arc protective sheath, guide bar rear side upper portion is connected with the conductor rope frame that is used for leading to the removal of connecting the rope, it is connected with the conductor rope frame rear side to connect the rope, protection headgear rear side is connected with and is used for the extrusion to connect the pressure rope frame that the rope removed, press the rope frame and be crisscross setting with the conductor rope frame, press rope frame bottom and be connected the rope contact.
Furthermore, the upper part of the guide rod is provided with a guide groove, and the protective head sleeve can slide in the guide groove and is suitable for guiding the movement of the protective head sleeve.
Further, including clearance mechanism, clearance mechanism is including second arc guide rail and second wiping rod, and transparent face guard extrados upper portion is connected with second arc guide rail, and second arc guide rail sliding connection has the second wiping rod that is used for cleaning transparent face guard extrados, and the extrados contact of second wiping rod and transparent face guard.
Furthermore, the first wiping rod and the second wiping rod are provided with certain magnetism and are suitable for driving the second wiping rod to move through the first wiping rod.
The device further comprises a ventilation fan, two ventilation fans used for exchanging air inside the infectious disease protection device with air outside are embedded in the lower portion of the rear side of the protection cover, the ventilation fan is connected with the arc-shaped protection cover, the air inlet end of the ventilation fan is located on the outer side of the protection cover, the air outlet end of the ventilation fan is located on the inner side of the protection cover, and a germ filtering structure used for filtering germs is arranged in the ventilation fan.
The beneficial effects are that: 1. according to the invention, after the water vapor is attached to the inner wall of the transparent mask, the first wiping rod can be driven to wipe the water vapor on the inner wall of the transparent mask only by raising the head, so that the operation is more convenient, the mask does not need to be taken down, and the virus infection is effectively avoided.
2. When the invention is used, the whole head is covered by the protective head sleeve, the protective cover and the transparent mask, thereby completely isolating the external germs and avoiding the infection of infectious diseases.
3. When the first wiping rod wipes the water vapor on the inner wall of the transparent mask, the first wiping rod can drive the second wiping rod to wipe the water vapor on the outer wall of the transparent mask, so that the technical effect of wiping the outer wall of the transparent mask is achieved.
4. When ventilation is needed or the interior is stuffy, the ventilating fan can be started to ventilate, and hot air in the interior can be exhausted in the ventilating process, so that the cooling effect is achieved.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a partial perspective view of the present invention.
Fig. 4 is a schematic perspective view of the wiping mechanism and the cleaning mechanism of the present invention.
Fig. 5 is a perspective view of the wiping mechanism of the present invention.
Fig. 6 is an enlarged view of a portion a of the present invention.
Fig. 7 is a schematic perspective view of the transmission mechanism of the present invention.
Fig. 8 is a partial perspective view of the transmission mechanism of the present invention.
FIG. 9 is a perspective view of the cleaning mechanism of the present invention.
Fig. 10 is a partial perspective view of the wiping mechanism and the cleaning mechanism of the present invention.
FIG. 11 is a schematic view of the connection between the ventilator and the arc-shaped protective sleeve according to the present invention.
The meaning of the reference symbols in the figures: 1_ transparent face mask, 2_ fixing strap, 3_ headband, 4_ protection mechanism, 41_ protection headgear, 42_ shield, 5_ wiping mechanism, 51_ first arc-shaped guide rail, 52_ connecting rope, 53_ first wiping rod, 54_ elastic piece, 6_ cleaning mechanism, 61_ second arc-shaped guide rail, 62_ second wiping rod, 7_ transmission mechanism, 71_ arc-shaped protective sleeve, 72_ guide rod, 73_ rope guide frame, 74_ rope pressing frame, and 8_ ventilation fan.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
Example 1
An infectious disease protection device, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 10, comprises a transparent mask 1, a fixing band 2, a headband 3, a protection mechanism 4, a wiping mechanism 5 and a transmission mechanism 7, wherein the fixing band 2 is connected to the upper part of the inner arc surface of the transparent mask 1, the headband 3 is connected to the top of the fixing band 2, the protection mechanism 4 and the wiping mechanism 5 are arranged on the transparent mask 1, and the transmission mechanism 7 is arranged on the protection mechanism 4.
As shown in fig. 1-2, the protection mechanism 4 comprises a protection head cover 41 and a protection cover 42, the top of the transparent mask 1 is connected with the protection head cover 41, the protection cover 42 is connected between the protection head cover 41 and the transparent mask 1, the bottom of the protection cover 42 is open and suitable for being worn by medical personnel, and the upper part of the protection cover 42 is made of elastic material and is adapted to the swing of the protection head cover 41 to deform.
As shown in fig. 4, 5, 6 and 10, the wiping mechanism 5 includes a first arc-shaped guide rail 51, a connecting rope 52, a first wiping rod 53 and an elastic member 54, the first arc-shaped guide rail 51 is connected to the upper portion of the inner arc surface of the transparent mask 1, the first wiping rod 53 is connected to the first arc-shaped guide rail 51 in a sliding manner, the first wiping rod 53 contacts with the inner side surface of the transparent mask 1, the elastic member 54 is connected between the first wiping rod 53 and the first arc-shaped guide rail 51, the connecting rope 52 is connected to the first wiping rod 53, and the connecting rope 52 penetrates through the first arc-shaped guide rail 51.
As shown in fig. 7-8, the transmission mechanism 7 includes an arc-shaped protective sleeve 71, a guide rod 72, a rope guide frame 73 and a rope guide frame 74, the guide rod 72 is connected to the rear side of the shield 42, the arc-shaped protective sleeves 71 are connected to the left and right sides of the lower portion of the guide rod 72, the rope guide frame 73 is connected to the upper portion of the rear side of the guide rod 72, the connecting rope 52 is connected to the rear side of the rope guide frame 73, the rope guide frame 74 is connected to the rear side of the shield head cover 41, the rope guide frame 74 and the rope guide frame 73 are arranged in a staggered manner, the bottom of the rope guide frame 74 contacts with the connecting rope 52, a guide groove is formed in the upper portion of the guide rod 72, the shield head cover 41 can slide in the guide groove, and is suitable for guiding the movement of the shield head cover 41.
When the protection device is needed to be used, the protection device can be worn on the head through the opening at the bottom of the protection cover 42, after the protection device is worn, the fixing bandage 2 is tied on the head, the head band 3 is sleeved on the top of the head of a patient, the protection device is further fixed on the head, the arc-shaped protection sleeve 71 is sleeved on the neck, then the protection cover 42, the protection head sleeve 41 and the transparent mask 1 can be used for isolating external germs, infection of infectious diseases is avoided, when the protection device is used, the mask can be fogged to influence the use of internal personnel, at the moment, the head can be lifted up, the protection head sleeve 41 can swing, when the protection head sleeve 41 swings, the rear side of the protection head sleeve 41 can move downwards along the guide groove on the guide rod 72, and when the rear side of the protection head sleeve 41 moves downwards, the dynamic pressure rope holder 74 is driven to move downwards, when the rope pressing frame 74 moves downwards, the connecting rope 52 is extruded, so that the connecting rope 52 moves along the rope guiding frame 73, the first wiping rod 53 is pulled to move along the first arc-shaped guide rail 51, the elastic piece 54 is stretched, the first wiping rod 53 can wipe the inner arc surface of the transparent mask 1 when moving, so that mist is wiped, after wiping is finished, the head is not lifted upwards, the protection head sleeve 41 is driven to reset, the protection head sleeve 41 resets to drive the rope pressing frame 74 to reset, at the moment, the first wiping rod 53 resets under the action of the elastic piece 54, so that the protective device can be used, and when the protective device is used, only the head is lifted upwards, the transparent mask 1 can be wiped, more convenience is brought when wiping is realized, fogging of the transparent mask 1 can also be avoided, and use is influenced.
Example 2
On the basis of embodiment 1, as shown in fig. 1, 4, 9, and 10, the cleaning device further includes a cleaning mechanism 6, the cleaning mechanism 6 includes a second arc-shaped guide rail 61 and a second wiping rod 62, the second arc-shaped guide rail 61 is connected to the upper portion of the outer arc surface of the transparent mask 1, the second wiping rod 62 is connected to the second arc-shaped guide rail 61 in a sliding manner, the second wiping rod 62 contacts with the outer arc surface of the transparent mask 1, and the first wiping rod 53 and the second wiping rod 62 both have certain magnetism, and are suitable for driving the second wiping rod 62 to move through the first wiping rod 53.
Example 3
Based on the embodiment 2, as shown in fig. 2 and fig. 11. The air exhaust fan comprises a protective cover 42, and is characterized by further comprising an air exhaust fan 8, wherein the air exhaust fan 8 is embedded in the lower portion of the rear side of the protective cover 42, the air exhaust fan 8 is connected with the arc-shaped protective sleeve 71, the air inlet end of the air exhaust fan 8 is located on the outer side of the protective cover 42, the air outlet end of the air exhaust fan 8 is located on the inner side of the protective cover 42, and a germ filtering structure is arranged in the air exhaust fan 8 to filter germs.
When using, when if inside stifling of protection casing 42 or need take a breath, can open scavenger fan 8 toward the interior exhaust of protection casing 42, when exhausting, can also follow the uncovered discharge of protection casing 42 below with the inside original gas of protection casing 42, play the effect of taking a breath, through gaseous circulation, also can cool down to protection casing 42 inside, 8 inside filtration that are provided with of scavenger fan simultaneously, can filter the germ impurity in the air, so, just can be when protection casing 42 is inside stifling, play the effect of cooling and taking a breath.
The present application is described in detail above, and specific examples are applied herein to explain the principles and embodiments of the present application, and the descriptions of the above examples are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (4)
1. An infectious disease protection device comprises a transparent mask (1), a fixing bandage (2) and a head band (3), wherein the fixing bandage (2) is connected to the upper portion of the inner arc surface of the transparent mask (1), the head band (3) is connected to the top of the fixing bandage (2), the infectious disease protection device is characterized by further comprising a protection mechanism (4), a wiping mechanism (5) and a transmission mechanism (7), the transparent mask (1) is provided with the protection mechanism (4) used for isolating external pathogens and the wiping mechanism (5) used for wiping water vapor in the transparent mask (1), and the protection mechanism (4) is provided with the transmission mechanism (7) used for driving the wiping mechanism (5) to operate;
the protection mechanism (4) comprises a protection head sleeve (41) and a protection cover (42), the top of the transparent mask (1) is connected with the protection head sleeve (41), the protection cover (42) is connected between the protection head sleeve (41) and the transparent mask (1), and the bottom of the protection cover (42) is open and is suitable for being worn by medical personnel;
the upper part of the protective cover (42) is made of elastic material and is used for adapting to the deformation of the protective head cover (41) caused by the swinging;
the wiping mechanism (5) comprises a first arc-shaped guide rail (51), a connecting rope (52), a first wiping rod (53) and an elastic part (54), the first arc-shaped guide rail (51) is connected to the upper portion of the inner arc surface of the transparent mask (1), the first arc-shaped guide rail (51) is connected with the first wiping rod (53) which is used for wiping steam on the inner wall of the transparent mask (1) in an inner sliding mode, the first wiping rod (53) is in contact with the inner side surface of the transparent mask (1), the elastic part (54) is connected between the first wiping rod (53) and the first arc-shaped guide rail (51), the connecting rope (52) is connected to the first wiping rod (53), and the connecting rope (52) penetrates through the first arc-shaped guide rail (51);
the transmission mechanism (7) comprises an arc-shaped protective sleeve (71), a guide rod (72), a rope guide frame (73) and a rope pressing frame (74), the guide rod (72) is connected to the rear side of the protective cover (42), the arc-shaped protective sleeves (71) are connected to the left side and the right side of the lower portion of the guide rod (72), the rope guide frame (73) used for guiding the movement of the connecting rope (52) is connected to the upper portion of the rear side of the guide rod (72), the connecting rope (52) is connected to the rear side of the rope guide frame (73), the rope pressing frame (74) used for extruding the connecting rope (52) to move is connected to the rear side of the protective head sleeve (41), the rope pressing frame (74) and the rope guide frame (73) are arranged in a staggered mode, and the bottom of the rope pressing frame (74) is in contact with the connecting rope (52);
the upper part of the guide rod (72) is provided with a guide groove, and the protection head sleeve (41) can slide in the guide groove and is suitable for guiding the movement of the protection head sleeve (41).
2. An infectious disease protection device according to claim 1, characterized by further comprising a cleaning mechanism (6), wherein the cleaning mechanism (6) comprises a second arc-shaped guide rail (61) and a second wiping rod (62), the second arc-shaped guide rail (61) is connected to the upper portion of the outer arc surface of the transparent face mask (1), the second wiping rod (62) for wiping the outer arc surface of the transparent face mask (1) is connected to the second arc-shaped guide rail (61) in an inward sliding manner, and the second wiping rod (62) is in contact with the outer arc surface of the transparent face mask (1).
3. An infectious disease protection device according to claim 2, wherein the first wiper lever (53) and the second wiper lever (62) are both magnetic and adapted to move the first wiper lever (53) via the second wiper lever (62).
4. An infectious disease protection device according to claim 3, further comprising two ventilation fans (8) embedded in the lower portion of the rear side of the protective cover (42) for exchanging the internal gas and the external gas of the infectious disease protection device, wherein the ventilation fans (8) are connected to the arc-shaped protective cover (71), the air inlet end of each ventilation fan (8) is located on the outer side of the protective cover (42), the air outlet end of each ventilation fan (8) is located on the inner side of the protective cover (42), and a pathogen filtering structure for filtering pathogens is arranged in each ventilation fan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211028562.8A CN115430076B (en) | 2022-08-25 | 2022-08-25 | Infectious disease protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211028562.8A CN115430076B (en) | 2022-08-25 | 2022-08-25 | Infectious disease protection device |
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| Publication Number | Publication Date |
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| CN115430076A CN115430076A (en) | 2022-12-06 |
| CN115430076B true CN115430076B (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211028562.8A Active CN115430076B (en) | 2022-08-25 | 2022-08-25 | Infectious disease protection device |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138767A1 (en) * | 1980-09-29 | 1982-06-09 | Max 4313 Möhlin Horlacher | Crash helmet visor with cleaning of the field of vision |
| US4353134A (en) * | 1981-08-14 | 1982-10-12 | Macnabb Thomas C | Underwater swimming goggles and masks with gravity-operated wipers |
| FR2619030A1 (en) * | 1987-08-07 | 1989-02-10 | Cavadini Bernard | Visor-wiper for motorcyclist's crash helmet |
| CN104223494A (en) * | 2014-09-29 | 2014-12-24 | 张英泽 | Surgical face shield capable of cleaning on site |
| CN205813688U (en) * | 2016-07-20 | 2016-12-21 | 盐城工学院 | A kind of helmet wiper |
| CN110393336A (en) * | 2019-08-08 | 2019-11-01 | 安庆师范大学 | A kind of graph image acquisition device of head wearing |
| CN210870054U (en) * | 2019-11-27 | 2020-06-30 | 香河万利通实业有限公司 | Safety helmet |
| CN212814602U (en) * | 2020-07-13 | 2021-03-30 | 魏双燕 | Obstetrician face protection device |
| CN213188233U (en) * | 2020-08-13 | 2021-05-14 | 华中科技大学同济医学院附属协和医院 | Medical protective face screen |
| CN213756776U (en) * | 2020-09-29 | 2021-07-23 | 天津市第五中心医院（北京大学滨海医院） | Integrated anti-new corona virus protective mask |
| CN214340417U (en) * | 2021-01-21 | 2021-10-08 | 广东星振科技有限公司 | Helmet with wiper |
| JP2022011531A (en) * | 2020-06-30 | 2022-01-17 | 古河電気工業株式会社 | Face shield |
| CN114099135A (en) * | 2021-11-26 | 2022-03-01 | 商丘市第一人民医院 | Demisting method and device for head-mounted protective cover and goggles |
-
2022
- 2022-08-25 CN CN202211028562.8A patent/CN115430076B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3138767A1 (en) * | 1980-09-29 | 1982-06-09 | Max 4313 Möhlin Horlacher | Crash helmet visor with cleaning of the field of vision |
| US4353134A (en) * | 1981-08-14 | 1982-10-12 | Macnabb Thomas C | Underwater swimming goggles and masks with gravity-operated wipers |
| FR2619030A1 (en) * | 1987-08-07 | 1989-02-10 | Cavadini Bernard | Visor-wiper for motorcyclist's crash helmet |
| CN104223494A (en) * | 2014-09-29 | 2014-12-24 | 张英泽 | Surgical face shield capable of cleaning on site |
| CN205813688U (en) * | 2016-07-20 | 2016-12-21 | 盐城工学院 | A kind of helmet wiper |
| CN110393336A (en) * | 2019-08-08 | 2019-11-01 | 安庆师范大学 | A kind of graph image acquisition device of head wearing |
| CN210870054U (en) * | 2019-11-27 | 2020-06-30 | 香河万利通实业有限公司 | Safety helmet |
| JP2022011531A (en) * | 2020-06-30 | 2022-01-17 | 古河電気工業株式会社 | Face shield |
| CN212814602U (en) * | 2020-07-13 | 2021-03-30 | 魏双燕 | Obstetrician face protection device |
| CN213188233U (en) * | 2020-08-13 | 2021-05-14 | 华中科技大学同济医学院附属协和医院 | Medical protective face screen |
| CN213756776U (en) * | 2020-09-29 | 2021-07-23 | 天津市第五中心医院（北京大学滨海医院） | Integrated anti-new corona virus protective mask |
| CN214340417U (en) * | 2021-01-21 | 2021-10-08 | 广东星振科技有限公司 | Helmet with wiper |
| CN114099135A (en) * | 2021-11-26 | 2022-03-01 | 商丘市第一人民医院 | Demisting method and device for head-mounted protective cover and goggles |
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| Publication number | Publication date |
|---|---|
| CN115430076A (en) | 2022-12-06 |
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