CN210494450U - Simple bedside negative pressure isolation device - Google Patents
Simple bedside negative pressure isolation device Download PDFInfo
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- CN210494450U CN210494450U CN202020227511.8U CN202020227511U CN210494450U CN 210494450 U CN210494450 U CN 210494450U CN 202020227511 U CN202020227511 U CN 202020227511U CN 210494450 U CN210494450 U CN 210494450U
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- negative pressure
- isolation device
- pressure isolation
- protective cover
- cover shell
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Abstract
本实用新型公开了一种简易床边负压隔离装置，其包含：防护罩壳体，其包含透明的侧壁及顶面，呈半包围结构，由立体骨架及防护层构成，具有容置空间；若干对手套式操作口分布于四周；设置在防护罩壳体上的至少一器械传递口；设置在侧壁下部内壁的布气管；设置在顶面或侧壁上部的排气孔，其连通负压设备；及，围绕设置在所述侧壁底部边缘的密封条。本实用新型提供的简易床边负压隔离装置，相较于现有的负压房负压车等，不占空间，成本低，可以实现复杂的多人协作诊疗，能有效避免病患呼出的病毒性气体泄漏，避免交叉感染，适用于隔离病房紧缺下的呼吸系统类传染病的防疫，也适用于多人诊疗的场景，可以根据需要代替负压房使用，大大节约了成本。
The utility model discloses a simple bedside negative pressure isolation device, which comprises: a protective cover shell, which comprises transparent side walls and a top surface, is in a semi-enclosed structure, is composed of a three-dimensional skeleton and a protective layer, and has an accommodating space Several pairs of glove-type operation ports are distributed around; at least one device transfer port is arranged on the protective cover shell; the air distribution pipe is arranged on the inner wall of the lower part of the side wall; the exhaust hole is arranged on the top surface or the upper part of the side wall, which communicates with a negative pressure device; and, a sealing strip disposed around the bottom edge of the side wall. The simple bedside negative pressure isolation device provided by the utility model, compared with the existing negative pressure room negative pressure vehicles, etc., does not occupy space, has low cost, can realize complex multi-person collaborative diagnosis and treatment, and can effectively avoid the exhalation of patients. Viral gas leakage can avoid cross-infection. It is suitable for epidemic prevention of respiratory infectious diseases under the shortage of isolation wards. It is also suitable for multi-person diagnosis and treatment scenarios. It can be used in place of negative pressure rooms according to needs, which greatly saves costs.
Description
Technical Field
The utility model belongs to the field of medical equipment, a protection apparatus is related to, concretely relates to simple and easy bedside negative pressure isolating device.
Background
The new coronavirus pneumonia (Corona Virus Disease 2019, COVID-19) is called new coronavirus pneumonia for short, and is pneumonia caused by 2019 new coronavirus infection, which is known to be highly infectious since the onset of 2019.
Experts point out that the main infection routes of COVID-19 are droplet infection, contact infection, aerosol infection and the like. Under the epidemic situation of the new coronary pneumonia, aerosol diffusion or body fluid splashing of blood, respiratory secretion and the like is effectively prevented, and the key for preventing cross infection in a limited space and infection of medical care personnel is realized. As a high-risk group directly facing viruses, how to better protect medical staff becomes the focus of attention of all circles.
When infectious diseases of a large-scale respiratory system outbreak face the shortage of isolation wards, a shelter hospital can take care of the infectious diseases, but a plurality of patients are in the same room, so that virus and bacteria with larger concentration are enriched in the air, cross infection among the patients is easily caused, and higher requirements are provided for the protection of medical care personnel.
The first line of medical care personnel often contacts the patient directly or closely with high frequency, and the long-term clinical medical diagnosis and treatment also has a plurality of operations with exposure risk, such as tracheal intubation, tracheotomy, sputum suction, sleeve replacement and the like, and has extremely high risk under the condition of infectious respiratory diseases. When the protective measures are insufficient, such as the conventional clinical arrangement of personal protective measures such as a cap, a mask, protective glasses, isolation clothes, protective clothing and the like, the aerosol is difficult to prevent from spreading in local airflow in a short time, and the medical care personnel are difficult to ensure not to be infected.
Negative pressure laminar flow systems are one solution to control iatrogenic infections. However, the existing negative pressure rooms and negative pressure vehicles are expensive and lack resources, and cannot be generally applied.
Therefore, the simple negative pressure isolation device which can be widely applied is important to be explored, not only can play a role in protection during epidemic situations, but also can provide important protection medical staff when emergency operation needs to be implemented under the conditions that primary hospitals or emergency scenes and biological safety protection conditions are insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing negative pressure isolation equipment is expensive and in shortage, and the defect of unable general use provides a simple isolation device, can avoid the inside and outside air exchange of isolation device well, realizes negative pressure isolation function basically, and occupation space is little, and is with low costs, economical and practical, can effectively avoid patient's cross infection to perhaps to medical personnel's infection when diagnosing to patient.
In order to achieve the above object, the utility model provides a simple and easy bedside negative pressure isolating device, it contains:
the protective cover shell comprises a side wall and a top surface, is in a semi-surrounding structure, consists of a three-dimensional framework and a protective layer fixed on the framework, and is provided with an accommodating space limited by the side wall and the top surface;
a plurality of sleeve type operation openings are arranged on the protective cover shell to avoid the risk of leakage of internal aerosol or body fluid when entering or exiting the sleeve type operation openings;
at least one instrument transfer port disposed on the shield shell and movably sealed by a seal;
the air distribution pipe is arranged on the inner wall of the lower part of the side wall and is communicated with the air supply device through an air inlet arranged on the protective cover shell; the tube wall of the air distribution tube is distributed with a plurality of through holes for uniformly supplying air;
the exhaust hole is arranged on the top surface or the upper part of the side wall, and a filtering device can be arranged and is communicated with the negative pressure equipment; and
a sealing strip arranged around the bottom edge of the side wall to form a seal with the hospital bed;
wherein, the side wall and the top surface are both arranged to be transparent structures.
Preferably, the sealing member is of a bag-type receiving structure, comprising: the bag body is positioned in the accommodating space, and the inner space limited by the bag body; the bag body is also provided with a first opening and a second opening, wherein the first opening and the protective layer are sealed by a zipper and/or adhesive; the second opening and the bag body are sealed through a zipper and/or adhesive.
Preferably, the gas distribution pipe is arranged around the side wall, and uniform gas supply can be realized.
Preferably, the top surface is further provided with a replaceable communication hole which is sealed by a protective pad of breathable material having a protective function.
Preferably, the inner wall of the communication hole is provided with a plurality of pairs of buckles for fixing the protection pad.
Preferably, the exhaust hole and the air inlet are both provided with a switch valve for controlling and communicating with external equipment.
Preferably, a filter cartridge containing a replaceable filter element is arranged at the rear end of the valve and at the front end of the interface of the negative pressure equipment.
Preferably, the filter element comprises: a sampling layer (such as gel layer or culture medium coating selected for sampling), a coarse filter layer (coarse filter material such as non-woven fabric, gauze, and activated carbon selected), and a fine filter layer sequentially arranged from inside to outside, and a 0.22 μm microporous filter layer (preferably PTFE or PET) selected.
Preferably, the protective cover shell is provided with a movably sealed LED lamp strip clamping groove, and the clamping groove opening can be opened when needed to introduce the LED lamp strip from the outside of the protective cover shell.
Preferably, the protective cover shell is further provided with a fixing piece for fixing the protective cover shell and the hospital bed.
The utility model provides a simple and easy bedside negative pressure isolating device has following technical advantage:
1) the air can be uniformly supplied at stable pressure through the air distribution pipe, so that a local negative pressure environment is conveniently formed, and the use experience of patients is improved;
2) the multi-pair sleeve type operation openings are arranged, so that multi-person cooperative diagnosis and treatment can be realized, such as trachea cannula operation and the like; the glove type operation opening has good sealing performance, and the problem that internal aerosol or body fluid still leaks when the cuff type operation opening enters and exits is solved;
3) the device transfer port is of a bag-type storage structure, so that the device can be conveniently transferred, and the device transfer port can play a role of a buffer belt so as to avoid viral gas exhaled by the patient from leaking to the greatest extent;
4) an additional lighting system can be additionally arranged in the interior according to the requirement, so that the problem that the external lighting is difficult to meet the lighting requirement during internal operation due to the reason of angles and the like is solved;
5) the communication hole is arranged, so that the sound transmission is convenient, and the patient can well communicate with the external voice without labor;
6) due to the multi-layer design of the filter box, exhausted gas can be purified, and virus samples can be collected, such as aerosol collection for detection;
7) the design that combines glove formula operation mouth, apparatus transfer port and sealing strip can avoid aerosol or body fluid in the isolating device to reveal the risk effectively, compares in current negative pressure room negative pressure car etc. and does not account for the space, and is with low costs, can generally use, especially is applicable to respiratory system class infectious disease prevention and cure scene when the sick bed is not enough.
Drawings
Fig. 1 is a schematic structural view of the simple bedside negative pressure isolation device of the present invention.
Description of reference numerals:
Three-dimensional skeleton 11
Glove type operation port 20
Built-in glove 22
First opening 311
Through hole 42
Exhaust vent 50
Switch valve 51
Coarse filtration layer 5212
Refined filter layer 5213
Call hole 70
LED strip card slot 80.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As used herein, "living seal" refers to a sealing means that can be switched between an open and sealed state: when not in use, the utility model is in a sealed state and can be opened conveniently when in use.
The "patient bed" described herein is not limited to a bed, but may be other flat surfaces on which the patient lies.
As shown in fig. 1, a simple bedside negative pressure isolation device comprises:
the protective cover shell 10 comprises a side wall and a top surface, is in a semi-surrounding structure, is composed of a three-dimensional framework 11 and a protective layer 12 fixed on the framework, and is provided with an accommodating space limited by the side wall and the top surface;
set up a plurality of to gloves formula operation mouth 20 at the protection casing lateral wall, it contains: an opening 21 for accommodating the hand of an adult, and an internal glove 22 surrounding the opening, wherein the opening is used as a wrist opening of the internal glove 22, the internal glove 22 is hermetically fixed around the edge of the opening 21 or integrally formed with the opening 21 (for the convenience of observation, the internal glove is not connected in the figure), and an operator can wear the internal glove 22 through the opening 21 and simultaneously extend into the accommodating space for various surgical operations; the built-in gloves 22 can be set to different specifications or made of high-elasticity materials according to requirements so as to be suitable for different operators;
at least one instrument transfer port 30 disposed in the shield shell and movably sealed by a seal; when the device is needed to be used, an assistant person can open the sealing element and deliver instruments needed by a surgical operator;
the air distribution pipe 40 is arranged on the inner wall of the lower part of the side wall and is communicated with an external air supply device through an air inlet 41 arranged on the protective cover shell; the air inlet can also be provided with a switch valve to control communication (not shown);
the exhaust hole 50 is arranged on the top surface or the upper part of the side wall and is used for communicating with external negative pressure equipment; and
a sealing strip 60 (or band) disposed around the bottom edge of the side wall to form a seal with the patient bed;
the side wall and the top surface are both arranged to be transparent structures, and transparent plastic polymer materials such as films are selected.
At least 3 pairs of glove ports 20 are provided, and at least one pair is provided on each side wall except for the side wall provided with the instrument transfer port 30. Of course, less than 3 pairs can be used, but are not suitable for multi-person diagnosis and treatment.
In order to avoid the exchange of the ambient air and the gas in the accommodating space to the maximum extent, the sealing element of the instrument transfer port 30 is set to be a bag-type accommodating structure, and the structure not only can accommodate the instrument to be transferred, but also can play a role of a buffer belt. The bag type storage structure comprises: the bag body 31 is positioned in the containing space, and the inner space limited by the bag body; the bag body is also provided with a first opening 311 and a second opening 312, wherein the first opening 311 and the protective layer 12 are sealed by a zipper and/or adhesion; the second opening 312 is sealed with the bag body 31 by a zipper and/or adhesive.
The apparatus transfer mouth can also set up a plurality ofly, can accomodate many sets of utensil respectively, perhaps can accomodate clean utensil respectively and make used utensil, also can regard as sealed pipeline transfer mouth, can last transfer line, set up elastic material around this transfer mouth, the surface can also realize through magic subsides etc. that the fastening is sealed.
In order to achieve a uniform and gentle supply of fresh air or oxygen or air with a high oxygen content (selected according to the medical needs), the wall of the gas distribution tube is distributed over several through holes 42 for uniform distribution of the inlet gas. To further enhance the comfort experience of the patient, a gas distribution tube 40 is arranged at least on the head of the patient.
In a more preferred embodiment, the air distribution tube 40 is disposed around the side wall of the housing of the protective cover to form a negative pressure environment with high periphery, low middle part and low periphery, so as to realize a laminar negative pressure flow and establish a negative pressure clean operating room, and is particularly suitable for the operation scene of patients with infectious diseases.
In order to facilitate communication between the patient and the medical staff or the like, the top surface may be provided with a replaceable communication port 70 which is sealed by a protective breathable material protective pad 71. The best placement is above the patient's head. The air permeable material is for clear sound transmission, and the protection function of the protection pad 71 is to make the accommodation space closer to the environment of the negative pressure ward, such as selecting N95 non-woven fabric.
To avoid the failure of the protective function of the protective pad 71 after a long period of use, the protective pad 71 needs to be replaced. If the protective pad is directly removed for replacement, gas exchange between the inside and outside of the protective housing may occur. In order to avoid the exchange of the ambient air with the gas in the shield casing to the maximum extent, the inner wall of the communication hole 70 is provided with a plurality of pairs of buckles for fixing the protection pad 71. Generally, a pair of buckles can be replaced; however, in order to avoid the situation that the replaced protection pad falls off, the new protection pad is not clamped or the new protection pad is clamped too far and falls off, and at least 2 pairs of buckles are arranged along the direction vertical to the top surface.
In order to control the communication of the negative pressure device, the exhaust hole 50 is further provided with a switch valve 51, such as an electromagnetic valve, a piston switch, a tee joint and the like. In order to reduce the pollution to the air, the exhaust hole can be externally connected with a gas purification device.
In order to filter out the discharged air, a filter device, such as a filter cartridge 52, is further provided at the rear end of the valve and at the front end of the interface of the negative pressure device, and comprises a replaceable filter element 521.
During the prevention of infectious diseases, especially respiratory infectious diseases, it is necessary to collect nasopharyngeal swabs or oropharyngeal swabs for check-out tests. The collection process is very close to the virus, often risking infection, and may require multiple collections because the collected samples are not concentrated enough. In order to solve the collection problems, the special filter core is designed, the function of enriching the breath sample of the patient can be achieved, and the purpose of collecting aerosol is achieved, and the filter core comprises: a sampling layer 5211, a coarse filter layer 5212 and a fine filter layer 5213 (preferably PTFE) which are arranged from inside to outside in sequence, wherein the sampling layer 2111 is closest to the accommodating space and is a first layer for sampling, and a gel layer or a culture medium layer can be selected; the outermost fine filter layer 5213 is used for the finest filtration, and is preferably a 0.22 μm microporous filter layer, such as PTFE or PET; the middle of the filter is provided with a coarse filter layer 5212, which can be selected from coarse filter materials such as non-woven fabrics, gauze and active carbon.
When many people are needed to diagnose in a cooperative mode, the light in the accommodating space is possibly insufficient due to the fact that the many people surround the protective cover shell, and accordingly the diagnosis visual field is limited. In order to solve the problem, a movably sealed LED lamp strip clamping groove 80 is arranged on the protective cover shell, and the clamping groove opening can be opened when needed, so that the LED lamp strip is LED in from the outside of the protective cover shell; when not needed, the card slot is sealed.
In order to make the operation space more stable, the protective cover shell is further provided with a fixing piece (not shown), which can be a fixing piece such as a tether or a lace and the like, so as to fix the protective cover shell with the hospital bed.
In order to make the patient experience more comfortable, the lower part of the protective cover shell does not influence the diagnosis and treatment visual field, for example, the protective layer below the gas distribution pipe can be made of a breathable material, and the protective layer can be made of an opaque breathable material, such as non-woven fabric, gauze, cotton cloth and the like.
The three-dimensional framework 11 is a supporting framework structure formed by metal strips or plastic rods. The protective cover shell can be in a cuboid or a cube or a hemisphere, such as a three-dimensional structure similar to a tent.
The utility model discloses a use method of cage as follows: the simple bedside negative pressure isolation device of the utility model is arranged on the upper half body of the patient, so that the simple bedside negative pressure isolation device is sealed and fixed with the sickbed, and the air distribution pipe 40 is communicated with the air supply device through the air inlet 41; a filter box is arranged on the exhaust hole 50, and then a negative pressure device is communicated; the operator wears the built-in glove 22 through the glove type operation port 20, extends into the shield case 10, pulls the second opening 312 of the instrument transfer port 30 open, and takes out a desired instrument to perform diagnosis and treatment.
To sum up, the utility model provides a simple and easy bedside negative pressure isolating device compares in current negative pressure room negative pressure car etc. does not account for the space, and is with low costs, is equipped with the gas distribution pipe and can realizes many people's cooperation to diagnose with the even air feed of steady pressure, is equipped with many counter-sleeve type operation mouthful, and the structure is accomodate to the apparatus transmission mouth sets up to the pocket type, can also play the effect in buffering area to viral gas leakage of patient's exhalation is avoided to the at utmost. The utility model provides a negative pressure isolating device is particularly useful for many patients such as shelter hospital and locates the scene of a room, can avoid cross infection effectively, also is applicable to the scene that many people diagnose, can replace the negative pressure room to use as required, has practiced thrift the cost greatly.
While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020227511.8U CN210494450U (en) | 2020-02-28 | 2020-02-28 | Simple bedside negative pressure isolation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020227511.8U CN210494450U (en) | 2020-02-28 | 2020-02-28 | Simple bedside negative pressure isolation device |
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| CN210494450U true CN210494450U (en) | 2020-05-12 |
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| CN202020227511.8U Expired - Fee Related CN210494450U (en) | 2020-02-28 | 2020-02-28 | Simple bedside negative pressure isolation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281702A (en) * | 2020-02-28 | 2020-06-16 | 上海交通大学医学院附属第九人民医院 | Simple bedside negative pressure isolation device |
| CN111529222A (en) * | 2020-05-21 | 2020-08-14 | 浙江大学医学院附属邵逸夫医院 | Negative pressure stretcher convenient to adjust negative pressure cover |
| CN112043413A (en) * | 2020-10-20 | 2020-12-08 | 辽宁省肿瘤医院 | Anti-splashing isolation hood for anesthesia cannula |
-
2020
- 2020-02-28 CN CN202020227511.8U patent/CN210494450U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111281702A (en) * | 2020-02-28 | 2020-06-16 | 上海交通大学医学院附属第九人民医院 | Simple bedside negative pressure isolation device |
| CN111529222A (en) * | 2020-05-21 | 2020-08-14 | 浙江大学医学院附属邵逸夫医院 | Negative pressure stretcher convenient to adjust negative pressure cover |
| CN112043413A (en) * | 2020-10-20 | 2020-12-08 | 辽宁省肿瘤医院 | Anti-splashing isolation hood for anesthesia cannula |
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Granted publication date: 20200512 |