CN111840665B - Nasal cavity suction device with splash prevention protection function - Google Patents
Nasal cavity suction device with splash prevention protection function Download PDFInfo
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- CN111840665B CN111840665B CN202010565534.4A CN202010565534A CN111840665B CN 111840665 B CN111840665 B CN 111840665B CN 202010565534 A CN202010565534 A CN 202010565534A CN 111840665 B CN111840665 B CN 111840665B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/05—Splash shields for protection of the surgeon, e.g. splash guards connected to the apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/233—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the nose, i.e. nasoscopes, e.g. testing of patency of Eustachian tubes
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- A61M1/0023—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/83—Tube strippers, i.e. for clearing the contents of the tubes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
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Abstract
The invention provides a nasal cavity suction device with splash prevention and protection functions, which comprises: the device comprises a handle, a suction catheter, a communicated flushing catheter and a protective cover sleeved on the suction catheter; the protective cover comprises a protective surface, and the protective surface facing to one side of the suction catheter far away from the handle is concave. In the embodiment, the communicating flushing catheter is arranged on the suction catheter, so that flushing and dredging can be performed through the communicating flushing catheter when the nasal cavity suction catheter is blocked, and medicine can be directly injected into the flushing catheter through the communicating flushing catheter for treatment. The protective cover is further arranged on the suction catheter, and secretion splashed from the nasal cavity of a patient can be effectively blocked by the protective cover during operation, so that the possibility that the splash forms aerosol is avoided, meanwhile, the splash is prevented from directly polluting an operator, and the risk that the operator and the crowd in the space directly contact with the secretion of the patient or inhale the aerosol of the pollutant is reduced.
Description
Technical Field
The invention relates to the technical field of medical instrument manufacturing, in particular to a nasal cavity suction device with a splash prevention protection function.
Background
The novel coronavirus pneumonia is an infectious disease mainly transmitted by respiratory tract, the nasal cavity is the first defense line of respiratory tract and is also a main path for externally transmitting viruses for infected people, the infected coronaviruses are widely existing in nasal secretions, and the nucleic acid detection of coronaviruses in the nasal secretion is an important diagnostic standard for the current preliminary screening diagnosis.
The team of the institute of UK UF Kang Sangge Waradon Sungnak led published an important study in the journal Nature medical science. The research team believes that two types of cells (goblet cells (secretory cells) and ciliated cells) inside the nose or the site of primary infection by the new coronavirus are likely to be the virus reservoir for efficient human transfer by the new coronavirus, and that splash of nasal secretions is also a major transmission path for the virus.
Nasal bleeding is a common and frequently-occurring clinical disease, the treatment mode is nasal obstruction under a pre-nasal endoscope or under a nasal endoscope, the medical operation is carried out on the premise that the blood in the nasal cavity is cleaned, bleeding points in the nasal cavity are seen under direct vision, then the bleeding points in the nasal cavity are blocked by hemostatic materials, but the nasal cavity is a respiratory passage, secretions or blood accumulated in the nasal cavity can splash to the bodies of medical staff operated oppositely along with the respiration of a patient, particularly, the nasal operation is easy to cause sneeze, so that a great deal of pollution to the blood and body fluid splash is caused instantaneously, aerosol is formed partially, and hospital infection is caused.
Accordingly, there is a need for further improvements in the art.
Disclosure of Invention
In view of the shortcomings in the prior art, the invention aims to provide a nasal cavity suction device with a splash-proof protection function for a user, and overcome the defect that secretions or nasal blood can be directly splashed onto medical staff when nasal secretion or nasal blood is washed, so that the infection risk of the medical staff is increased in the prior art.
The technical scheme adopted for solving the technical problems is as follows:
a nasal cavity suction device with splash protection, comprising:
the device comprises a handle, an aspiration catheter, a communicated flushing catheter and a protective cover sleeved on the aspiration catheter; the communicating irrigation catheter is disposed between the handle and the aspiration catheter;
the protective cover is sleeved on one side of the suction catheter, which is close to the handle;
the protective cover comprises a protective surface, and the protective surface facing to one side of the suction catheter far away from the handle is concave.
Optionally, the material of the protective cover is a hard material; the protecting surface of the protecting cover is provided with a through hole for the passage of the nasal endoscope, and the size of the through hole is matched with the size of the nasal endoscope pipeline.
Optionally, an elastic fixing piece is arranged at the edge of the through hole, and the elastic fixing piece inserted into the through hole is detachably connected with the protective cover through the elastic fixing piece.
Optionally, the material of the protective cover is soft material; the protective cover further comprises a supporting frame and a sliding collar, the sliding collar is sleeved on the suction catheter, one end of the supporting frame is connected to the sliding collar, and the other end of the supporting frame is distributed on the surface of the protective surface and used for expanding or collapsing the cover surface.
Optionally, a plurality of suction side holes are arranged on the side wall of the front end of the suction catheter.
Optionally, the interior of the communicating irrigation catheter is in communication with the interior of the aspiration catheter for cleaning the interior of the aspiration catheter and/or administering the nasal cavity deep.
Optionally, the communicating flushing catheter is disposed at an end of the suction catheter near the handle.
Optionally, the handle, the suction catheter and the protective cover are integrally formed, and the handle, the suction catheter and the protective cover are made of transparent medical plastic.
Optionally, a first anti-skid pattern connected with the suction device is arranged at the tail end of the handle, and a second anti-skid pattern of the hand-held part is arranged on the surface of the handle.
Optionally, the shape of the protection surface is circular, rectangular or elliptical.
The nasal cavity suction device with the splash-proof protection function has the beneficial effects that the protective cover is arranged on the suction catheter of the nasal cavity suction device, when the nasal cavity suction device is used for sucking nasal cavity endocrine, as the protective cover faces the suction catheter and is far away from the handle, the protective cover is concave, and therefore, during operation, secretions splashed from the nasal cavity can be blocked by the protective cover, so that the splash on an operator can be prevented, the risk that the operator contacts nasal cavity secretions of a patient is avoided, and the risk that the operator and personnel in a consent space are infected is reduced.
Drawings
FIG. 1 is a schematic view of a nasal suction device according to the present invention;
FIG. 2 is a top view of the nasal suction device of the present invention;
FIG. 3 is a schematic illustration of the addition of a support structure to the structure of the nasal suction device of the present invention;
fig. 4 is a schematic structural view of a suction catheter with suction side holes at the front end of the suction catheter;
FIG. 5 is a schematic view of the handle of the nasal suction device of the present invention provided with anti-slip patterns;
fig. 6 is a cross-sectional view of a nasal suction device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
In nasal bleeding or nasal surgery, it is necessary to treat the nasal cavity and aspirate secretions from the nasal cavity to examine bleeding points in the nasal cavity, so that nasal aspiration devices are commonly used in nasal surgery. When the nasal cavity suction device is operated, the rear end of the suction catheter of the nasal cavity suction device is connected with the negative pressure suction device, and the front end of the suction catheter is inserted into the nasal cavity to suck secretion or nasal bleeding, but the nasal cavity suction device used at present is short and small in diameter, so that the problems of blockage and difficult cleaning are easy to occur in operation, and when the blockage occurs, the nasal cavity suction device is difficult to flush, and a patient needs to be dredged in vitro, and the nasal cavity deep drug delivery can be cleaned and carried out through the connection of the flushing catheter at the same time in the working process. Since the nasal suction devices of the prior art do not contain any protective parts, secretions or nasal bleeding in the nasal cavity can splash directly onto the operator's body with sneezing or breathing. If the operator carries a virus, secretions or blood carrying the virus splash onto the operator or form aerosols, increasing the risk of the operator infecting the virus.
In order to overcome the defects of the nasal cavity suction device in the prior art, the embodiment of the invention provides the nasal cavity suction device with the splash-proof protection function, and the suction catheter on the nasal cavity suction device provided by the embodiment is provided with the protective cover, when the nasal cavity suction device provided by the embodiment is used for sucking nasal cavity endocrine, the protective cover is opened, and the protective cover is used for shielding the mouth and the nose of a patient, so that secretions in the nasal cavity are prevented from splashing on the body of the patient or aerosol formation is reduced, and the risk of virus infection is reduced.
The nasal cavity suction device with splash prevention function provided by the invention is further described below with reference to the accompanying drawings and specific application embodiments.
The present embodiment provides a nasal cavity suction device with splash protection function, as shown in fig. 1, including:
the catheter comprises a handle 10, a suction catheter 20, a communication flushing catheter 40 and a protective cover 30 sleeved on the suction catheter; the protective cover is sleeved on one side of the suction catheter 20 close to the handle; the protecting cover 30 comprises a protecting surface, the protecting surface facing to the side of the suction catheter far away from the handle 10 is concave, and the communicating flushing catheter 40 is arranged between the handle 10 and the suction catheter 20.
When the nasal cavity suction device is used for sucking nasal cavity secretion, the secretion in the nasal cavity of an operator cannot be directly splashed onto the operator due to the protection of the protection cover between the operator and the operator, and meanwhile, the formation of aerosol is reduced, so that the aim of preventing viruses or bacteria possibly existing in the secretion from contacting the operator is fulfilled, and the risk of infectious diseases of the operator is reduced.
Specifically, the protective cover can be designed into a round shape, can also be designed into a square shape or an oval shape, can also be attached to the shape of a human body, and is designed into a shape that the width of the upper half part is larger than that of the lower half part, and the like.
In the specific implementation, the material of the protective cover can be hard medical plastic or soft medical plastic. The hard material is medical transparent plastic, and the protective cover is formed by fixing and forming the protective cover in different sizes (transverse diameter 5 cm-15 cm).
When the material of protection casing is the medical plastics of hardness, in order to be convenient for use the nose endoscope to look over the hemorrhagic spot in the nasal cavity after carrying out nasal cavity clearance, be provided with the through-hole that is used for the nose endoscope to pass on the protection face of protection casing, the size of through-hole and the big or small looks adaptation of nose endoscope pipeline. In connection with fig. 2, taking a circular shape as an example of the protective cover, the through hole 210 is provided on the protective surface of the protective cover, and the nasal endoscope passes through the through hole 210, so that the probe of the nasal endoscope can be conveniently placed into the nasal cavity of the operator. The size of the through hole is greater than or equal to the tube size of the nasal endoscope so that the nasal endoscope passes through the through hole 210.
Further, an elastic fixing piece is arranged in the through hole, and the elastic fixing piece inserted into the through hole is detachably connected with the protective cover through the elastic fixing piece.
When the detection of the intranasal bleeding point is used, the nasal endoscope passing through the through hole is fixed on the protective cover for convenient operation, and when the nasal endoscope is implemented, the tube wall of the nasal endoscope and the edge of the through hole can be elastically connected by arranging an elastic fixing piece at the edge of the through hole, so that the gap is prevented from being formed after the nasal endoscope is inserted into the through hole. In one embodiment, the elastic fixing member may be configured as a movable rubber plug, through which the insertion of the nose endoscope is ensured, and the through holes are all in a closed state, so that the insertion of the nose endoscope is avoided, and secretions are splashed onto the body of the operator through the through holes when the endocrine in the nasal cavity of the operator is cleaned.
When the material of protection casing is soft medical plastics, its the size of protection surface also can carry out corresponding design according to different service conditions, also can with the protection surface of protection casing comprises a plurality of covers of the same area concatenation, and folding into a cover face and the protection surface of multilayer after each cover face concatenation, for example: the protection face comprises 4 covers with the same area in a spliced mode, the protection face can be folded into 4 layers of covers, when the protection face is folded into 4 layers of covers, the unfolding area of the covers is minimum, if an operator wants to use a protection cover with a larger protection face, the protection face can be expanded into 2 layers of protection faces which are formed by the 2 layers of covers, the area of the protection face is 2 times that of the original 4 layers of covers, if the operator wants to use the protection cover with the largest protection face, the protection cover can be unfolded into 1 layer of covers, the area of the cover of the protection cover is 4 times that of the original 4 layers of covers, the area of the protection cover is 4 times that of the original cover, and when the protection cover is used, the operator selects to open the protection covers with different protection areas according to the conditions of the operator.
Further, the material of the protective cover may be a software material, and the soft material may be a protective cover made of soft medical plastic, in one embodiment, as shown in fig. 3, the protective cover further includes a support 203 and a sliding collar 202, the sliding collar 202 is sleeved on the suction catheter, one end of the support 203 is connected to the sliding collar 202, and the other end is distributed on the surface of the protective surface 20, so as to be used for expanding or collapsing the protective surface. When in use, the support frame is attached to the protection surface, so that the use of the suction catheter is not affected.
In this embodiment, when the protection casing is flexible material manufacturing, if need use the protection casing to protect, then can support the guard surface through the support frame, protect for operating personnel, and when not needing to use, then can pack up the support frame, the guard surface laminating is on the pipe wall of suction pipe, is convenient for accomodate.
Further, as shown in fig. 4, a plurality of suction side holes 201 are provided on the side wall of the front end of the suction catheter. The front end of the suction head adopts a plurality of suction side holes 201 to assist in suction, so that the probability of blocking the suction device can be reduced, and meanwhile, the plurality of suction ports can absorb nasal endocrine more rapidly due to irregular nasal cavity structure. Because the suction catheter front end is additionally provided with a plurality of suction side holes, the added suction side holes can increase the working range of the suction catheter front end in the nasal cavity, and the secretion in the nasal cavity can be conveniently sucked and drawn out.
Further, for the purpose of cleaning the suction catheter by the communication flushing catheter, the inside of the communication flushing catheter 40 is communicated with the inside of the suction catheter 20 for cleaning the inside of the suction catheter 20 or for nasal cavity deep administration. Specifically, the communicating irrigation catheter is provided near the handle of the suction device, and the communicating irrigation catheter 40 is provided, so that irrigation of the suction catheter or deep nasal administration treatment can be performed through the path.
In order to perform better irrigation of the suction catheter and deep administration treatment of the nasal cavity, the communicating irrigation catheter is arranged at one end of the suction catheter close to the handle, so that the liquid medicine flowing from the communicating irrigation catheter can be conveniently washed to the whole aspirator.
Like equipment in the market is the metal material, and the product needs cyclic disinfection, and equipment internal diameter is thin and long, and the disinfection is incomplete, increases iatrogenic infection risk, in order to reduce the pollution risk of cyclic use, handle, suction pipe, intercommunication flushing pipe and protection casing integrated into one piece, the handle, the suction pipe, the material of intercommunication flushing pipe and protection casing are disposable material. The nasal cavity suction device provided by the embodiment is a disposable nasal cavity suction device, is manufactured by disposable medical material through one-step molding, and avoids virus or bacterial infection among operators possibly caused by incomplete sterilization when the nasal cavity suction device made of metal materials is reused, so that pollution risk is reduced from the source.
In one embodiment, the single-use material is a transparent medical grade plastic. In particular, the nasal suction device uses materials including, but not limited to, polycarbonate or K-resin. When the nasal cavity suction device is made of transparent materials, an operator can clearly observe possible blockage points in the suction device when operating, and the flow of secretion entering the suction device is better controlled. When the communicated flushing catheter is used for cleaning the suction catheter or administering drugs in the nasal cavity, the trend of the liquid medicine can be clearly seen, so that the use of operators is facilitated.
In one implementation, as shown in fig. 5, a first anti-slip pattern 101 connected with the suction device is provided at the end of the handle, and a second anti-slip pattern 102 of the hand-held part is provided on the surface of the handle. So that the suction device does not fall off because the handle surface is too smooth when attached to the handle end or when the handle is held by hand. The first anti-skid patterns and the second anti-skid patterns can be spiral or can be designed into other shapes capable of realizing anti-skid effect.
Referring to fig. 6, in order to provide a cross-sectional view of the nasal cavity suction device according to the present embodiment, a negative pressure hole is provided at a connection point between the handle and the suction catheter, and a negative pressure suction device is connected to the negative pressure hole. When the nasal cavity suction device is used, after the protective cover is opened, the size of a protective surface of the protective cover is automatically adjusted, the negative pressure suction device is started again, the front end of the suction catheter of the nasal cavity suction device is inserted into the nasal cavity, secretion or epistaxis in the nasal cavity are sucked into the bent pipeline of the suction catheter under the action of negative pressure, an operator can observe whether the suction catheter is blocked or not through the transparent inner wall of the suction catheter, if so, the negative pressure can be suspended, the pipeline of the suction catheter is flushed by utilizing the communicated flushing catheter, the blocked blood clot or secretion in the suction catheter is cleared firstly, and then the negative pressure suction device is started, so that the secretion or epistaxis in the nasal cavity is continuously sucked. When the nasal endoscope is sucked, the nasal endoscope is penetrated out through the through hole on the protective cover, the pipeline of the nasal endoscope is fixed on the protective cover, the nasal endoscope is used for detecting bleeding points in the nasal cavity, and after the detection is finished, the nasal suction device is discarded for medical waste treatment.
The invention provides a nasal cavity suction device with splash prevention and protection functions, which comprises: the handle and the suction catheter are connected with the suction catheter in a sleeved mode; the protective cover is sleeved on one side of the suction catheter, which is close to the handle; the protective cover comprises a protective surface, and the protective surface facing to one side of the suction catheter far away from the handle is concave. According to the embodiment, the protective cover is arranged on the suction catheter, when the nasal cavity suction device is used for suction of nasal cavity endocrine, secretion is shielded by the cover surface of the protective cover, and as the protective cover faces the suction catheter and is far away from one side of the handle, the protective cover is concave, so that during operation, the secretion sprayed from the nasal cavity can be blocked by the protective cover, so that the risk of spraying on an operator or forming pollutant aerosol is prevented, the risk of touching the nasal cavity secretion by the operator is avoided, and the risk of being infected by the operator is reduced.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present invention and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present invention as defined in the following claims.
Claims (1)
1. A nasal suction device having splash protection, for use with splash of nasal bleeding or nasal secretions, said device comprising:
the device comprises a handle, an aspiration catheter, a communicated flushing catheter and a protective cover sleeved on the aspiration catheter;
the communicating flushing catheter is arranged between the handle and a protective cover on the suction catheter;
the protective cover is sleeved on one side of the suction catheter, which is close to the handle;
the protective cover comprises a protective surface, and the protective surface facing the suction catheter and away from the handle is concave;
the protecting surface of the protecting cover is provided with a through hole for the passage of the nasal endoscope, and the size of the through hole is matched with the size of the nasal endoscope pipeline; the edge of the through hole is provided with an elastic fixing piece, and the elastic fixing piece inserted into the through hole is detachably connected with the protective cover; the elastic fixing piece is provided with a movable rubber plug, so that the through holes are in a closed state before and after the nose endoscope is inserted;
the interior of the communicated flushing catheter is communicated with the interior of the suction catheter and is used for cleaning the interior of the suction catheter and/or administering medicine to the deep part of the nasal cavity;
the handle, the suction catheter, the communicated flushing catheter and the protective cover are integrally formed, and the handle, the suction catheter, the communicated flushing catheter and the protective cover are made of disposable transparent medical plastic;
when the protection surface is formed by splicing 4 layers of covers with the same area, the expansion area of the cover surface is the smallest, or the protection surface is expanded into a protection surface formed by 2 layers of covers, the area of the protection surface is 2 times that of the original 4 layers of covers, or the area of the cover surface of the protection cover is 4 times that of the original 4 layers of covers when the protection cover is expanded into 1 layer of covers;
a negative pressure hole is arranged at the connecting point between the handle and the suction catheter, and the negative pressure hole is connected with a negative pressure suction device; a plurality of suction side holes are formed in the side wall of the front end of the suction catheter;
the protective cover is made of soft materials and further comprises a support frame and a sliding sleeve ring, wherein the sliding sleeve ring is sleeved on the suction catheter, one end of the support frame is connected to the sliding sleeve ring, and the other end of the support frame is distributed on the surface of the protective surface and is used for expanding or collapsing the cover surface;
the protective surface is fit with the shape of a human body, and the width of the upper half part is designed to be larger than that of the lower half part;
the nasal suction device is made of polycarbonate or K resin;
the handle end is equipped with the first anti-skidding line of connection attraction equipment, the handle surface is equipped with the second anti-skidding line at handheld position.
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| CN202010565534.4A CN111840665B (en) | 2020-06-19 | 2020-06-19 | Nasal cavity suction device with splash prevention protection function |
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| CN202010565534.4A CN111840665B (en) | 2020-06-19 | 2020-06-19 | Nasal cavity suction device with splash prevention protection function |
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| CN111840665B true CN111840665B (en) | 2023-05-12 |
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| CN207221066U (en) * | 2017-03-14 | 2018-04-13 | 湖州市第三人民医院 | Disposable scalable suction sputum anti-splash device |
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| CN201767190U (en) * | 2010-06-23 | 2011-03-23 | 尹消溢 | Umbrella capable of changing size |
| CN201929192U (en) * | 2010-12-08 | 2011-08-17 | 鲍杰 | Umbrella for one or two persons |
| CN103054288A (en) * | 2012-10-26 | 2013-04-24 | 魏逸丹 | Size-adjustable umbrella |
| CN203169668U (en) * | 2013-05-03 | 2013-09-04 | 商海涛 | Medical portable sputum aspirator |
| EP3132766B1 (en) * | 2015-08-21 | 2020-10-07 | Medaxis Ag | Protective covering |
| CN209220227U (en) * | 2018-09-25 | 2019-08-09 | 何林 | Anti- infection Fibro-bronchoscopy test auxiliary device |
| CN210277824U (en) * | 2019-05-08 | 2020-04-10 | 郑州大学第一附属医院 | Novel sputum suction tube |
| CN110522138A (en) * | 2019-09-30 | 2019-12-03 | 安徽信息工程学院 | Umbrella |
| CN111202544A (en) * | 2020-03-02 | 2020-05-29 | 上海交通大学医学院附属瑞金医院 | Anti-droplet throat swab sampling device capable of emitting light |
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| CN207221066U (en) * | 2017-03-14 | 2018-04-13 | 湖州市第三人民医院 | Disposable scalable suction sputum anti-splash device |
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