CN218157459U

CN218157459U - Medical instrument

Info

Publication number: CN218157459U
Application number: CN202222393877.4U
Authority: CN
Inventors: 胡冬映; 罗勤雷; 胡开序
Original assignee: NINGBO SHENGYURUI MEDICAL APPLIANCES CO Ltd
Current assignee: NINGBO SHENGYURUI MEDICAL APPLIANCES CO Ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-27
Anticipated expiration: 2032-09-07

Abstract

The application discloses medical instrument, including particulate matter detection device and breathing filter, particulate matter detection device includes the micronic dust sensor, the micronic dust sensor includes sensor PCB board, launching tube and receiver tube, breathing filter includes the filter main part, machine end connecting pipe, patient end connecting pipe, first sample connection and second sample connection, the filter main part includes first cavity, filtration membrane and second cavity, there is machine end connecting pipe on the first cavity, there is patient end connecting pipe on the second cavity, there are first sample connection and second sample connection on the second cavity, filtration membrane transversely arranges the internal connection department of first cavity and second cavity in, the launching tube stretches into the second cavity from first sample connection, the receiver tube stretches into the second cavity from the second sample connection, distance between launching tube top and the receiver tube top is not more than predetermineeing the distance. Detect the particulate matter concentration in the respiratory filter through particulate matter detection device, medical personnel change respiratory filter according to the particulate matter concentration that detects.

Description

Medical instrument

Technical Field

The application relates to the technical field of medical equipment, in particular to a medical instrument.

Background

In order to ensure the safety of the breathing of the patient, the medical staff can be connected with a breathing filter above the oxygen mask. The respiratory filter is used by a clinical unit to connect a patient end and a machine end of a respiratory circuit, and is used for filtering micro particles or humidifying and heating inhaled gas, which is called as HMEF or HME for short.

Current medical personnel can't know the real-time particulate matter concentration in the breathing filter to the breathing filter appears easily and has reduced the condition that still is using to particulate matter filtering capability, can cause further harm to the patient.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a medical apparatus for solving the problem that the breathing filter cannot be changed according to the concentration of particulate matter at any time.

In order to achieve the above object, a medical instrument is proposed as follows:

a medical device, the medical device comprising: a particulate matter detection device and a respiratory filter;

the particle detection device comprises a micro dust sensor, wherein the micro dust sensor comprises a sensor PCB (printed circuit board), a transmitting tube and a receiving tube;

the respiratory filter comprises a filter main body, a machine end connecting pipe, a patient end connecting pipe, a first sampling port and a second sampling port, wherein the filter main body comprises a first cavity, a filtering membrane and a second cavity;

the first cavity is provided with the machine end connecting pipe, the second cavity is provided with the patient end connecting pipe, the second cavity is provided with the first sampling port and the second sampling port, and the filtering membrane is transversely arranged at the inner connecting part of the first cavity and the second cavity;

the transmitting tube extends into the second cavity from the first sampling port, the receiving tube extends into the second cavity from the second sampling port, and the distance between the top end of the transmitting tube and the top end of the receiving tube is not larger than a preset distance.

Optionally, the particulate matter detecting device further includes: the main PCB board, the shell and the display screen;

the dust sensor is arranged on one side face in the shell, the main PCB is arranged at the bottom in the shell, the display screen is arranged on the upper portion outside the shell, and the main PCB is respectively electrically connected with the dust sensor and the display screen.

Optionally, the housing includes a left housing and a right housing which are separable, and the left housing and the right housing are fixed by a fastening manner of a buckle or a screw.

Optionally, the display screen is a touch display screen.

Optionally, the lower portion of the display screen is fixedly connected to a bracket, and the bracket is fixed to the upper portion of the housing.

Optionally, the bracket is in the shape of an elliptical table, and one end of the bracket is provided with a limiting component which limits the bracket on the shell.

Optionally, the first sampling port and the second sampling port are fixed on the second cavity in an integrally cast manner.

Optionally, a gap between the first sampling port and the transmitting tube, and a gap between the second sampling port and the receiving tube are sealed by a sealing material.

Optionally, the filter body further comprises a wet heat exchange medium therein.

Optionally, the second cavity includes a space where the heat and moisture exchange medium does not exist, and the top ends of the transmitting tube and the receiving tube are located in the space.

This application stretches into the first sample connection of breathing filter with the transmitting tube of the micronic dust sensor among the particulate matter detection device, and the receiver tube stretches into the second sample connection of breathing filter for particulate matter detection device is connected with breathing filter. The top end of the transmitting tube and the top end of the receiving tube are both positioned in the second cavity, and the distance between the top ends is not more than the preset distance. Through connect particulate matter detection device on breathing the filter and come the particulate matter concentration in the real-time detection breathing filter, medical personnel can change breathing the filter according to the particulate matter concentration that detects in time to ensure patient's safety at the breathing in-process.

Drawings

In order to more clearly illustrate the embodiments of the present application, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only embodiments of the present application, and it is also possible for those skilled in the art to obtain other drawings based on the provided drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a medical device according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a respiratory filter according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a particle detection device according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a limiting component of a bracket according to an embodiment of the present disclosure;

fig. 5 is a schematic view of a heat and moisture exchange medium provided in an embodiment of the present application.

Illustration of the drawings: particulate matter detection device 1, micronic dust sensor 2, sensor PCB board 3, transmitting tube 4, receiver tube 5, filter main part 6, machine end connecting pipe 7, patient end connecting pipe 8, first sample connection 9, second sample connection 10, first cavity 11, filtration membrane 12, second cavity 13, main PCB board 14, casing 15, display screen 16, support 17, stop part 18 and damp and hot exchange medium 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. A plurality of technical schemes in the same embodiment and a plurality of technical schemes in different embodiments can be arranged and combined to form a new technical scheme without contradiction or conflict, which is all in the scope of the utility model.

As shown in fig. 1 and fig. 2, a medical device provided in an embodiment of the present application includes: a particulate matter detection device 1 and a respiratory filter;

the particulate matter detection device 1 comprises a dust sensor 2, wherein the dust sensor 2 comprises a sensor PCB (printed circuit board) 3, a transmitting tube 4 and a receiving tube 5;

the particle detection device 1 is mainly used for detecting particles in the air, and can be large particles or small-sized dust. The particle detection device 1 obtains energy through the mode of plug power supply, and after the circular telegram, open the switch and just can begin work. If the particulate matter detection device 1 breaks down, only the particulate matter detection device 1 can be replaced. The dust sensor 2 is a device for detecting the concentration of particulate matters in the air, the adopted structure is a transmitting and receiving correlation separation structure, and the dust sensor 2 is small in size, so that a user can conveniently install and use the dust sensor in various complex structures. The dust sensor 2 has multiple models, so long as the dust sensor can detect the concentration of particulate matter, the sensor PCB 3 is located inside the dust sensor 2 and used for processing the detected particulate matter data, and the transmitting tube 4 and the receiving tube 5 are connected through wires. The transmitting tube 4 is used for transmitting a detection light beam, the receiving tube 5 is used for receiving the detection light beam transmitted by the transmitting tube 4, and the transmitting tube 4 and the receiving tube 5 are made of materials which do not generate free substances in the using process.

The respiratory filter comprises a filter main body 6, a machine end connecting pipe 7, a patient end connecting pipe 8, a first sampling port 9 and a second sampling port 10, wherein the filter main body 6 comprises a first cavity 11, a filtering membrane 12 and a second cavity 13;

the machine end connecting pipe 7 is arranged on the first cavity 11, the patient end connecting pipe 8 is arranged on the second cavity 13, the first sampling port 9 and the second sampling port 10 are arranged on the second cavity 13, and the filtering membrane 12 is transversely arranged at the inner connecting part of the first cavity 11 and the second cavity 13;

the breathing filter is used for filtering air in the breathing process of a patient, the breathing filter is mainly made of medical-grade high-molecular materials, and the breathing filter needs to be disinfected and sterilized in the production process. The respiratory filter is composed of the filter main body 6, the machine end connecting pipe 7, the patient end connecting pipe 8, the first sampling port 9, the second sampling port 10 and the filtering membrane 12, and the filtering membrane 12 is transversely arranged in the filter main body 6. The machine end connecting pipe 7 and the patient end connecting pipe 8 are of a double-layer structure and are fixed on the filter main body 6 in an integrally pouring forming mode. The machine end connecting pipe 7 is connected with a machine, and the patient end connecting pipe 8 is connected with an oxygen mask of a patient. The first sampling port 9 is used for being placed into the transmitting tube 4, the second sampling port 10 is used for being placed into the receiving tube 5, and the first sampling port 9 and the second sampling port 10 are fixed on the second cavity 13 in an integrally cast forming mode. The filtering membrane 12 can be made of activated carbon fiber, the structure of the filtering membrane 12 can be a single-layer structure or a multi-layer structure, and the filtering membrane 12 has the functions of filtering impurities and purifying air.

The transmitting tube 4 extends into the second cavity 13 from the first sampling port 9, the receiving tube 5 extends into the second cavity 13 from the second sampling port 10, and the distance between the top end of the transmitting tube 4 and the top end of the receiving tube 5 is not greater than a preset distance.

Wherein, the top ends of the transmitting tube 4 and the receiving tube 5 are both located in the second cavity 13, and a preset distance is reserved between the top ends. The preset distance is the data acquisition standard of the dust particle sensor 2 to which the transmitting tube 4 and the receiving tube 5 belong. The different data acquisition standards of the dust particle sensor 2 are different, when the distance between the top ends of the transmitting tube 4 and the receiving tube 5 is set, the data acquisition standards of the dust particle sensor 2 to which the transmitting tube 4 and the receiving tube 5 belong are set, otherwise, the data of the particles cannot be acquired, and the concentration of the particles in the filter main body 6 cannot be detected.

Further, can be in set up two sample connection on the first cavity 11 and set up two sample connection on the second cavity 13, one is connected to two sample connection of first cavity 11 the micronic dust sensor, another is connected to two sample connection of second cavity 13 the micronic dust sensor, two there is data display screen on the micronic dust sensor, show respectively first cavity 11 with particulate matter concentration in the second cavity 13, judge through the particulate matter concentration difference in two cavities whether filtration membrane 12's filtration performance descends, thereby decides whether change respiratory filter.

This application will among the particulate matter detection device 1 micronic dust sensor 2 launching tube 4 stretches into respiratory filter first sample connection 9, receiving tube 5 stretches into respiratory filter second sample connection 10 makes particulate matter detection device 1 is connected with respiratory filter. The top end of the transmitting tube 4 and the top end of the receiving tube 5 are both located in the second cavity 13 connected to the patient end connecting tube 8, and the distance between the top ends is not more than a preset distance. Through connect on the breathing filter particulate matter detection device 1 comes real-time detection the particulate matter concentration in the breathing filter, medical personnel can change in time according to the particulate matter concentration that detects breathing filter to guarantee the safety of patient in the breathing process.

As shown in fig. 3, in another medical device provided in the embodiment of the present application, the particulate matter detection device 1 further includes: a main PCB board 14, a housing 15 and a display screen 16;

one side in the casing 15 is provided with micronic dust sensor 2, bottom in the casing 15 is provided with main PCB board 14, the outer upper portion of casing 15 is provided with display screen 16, main PCB board 14 respectively with micronic dust sensor 2 display screen 16 electricity is connected.

The shape of the housing 15 may be a square or a cylinder, and the material of the housing 15 may be metal or plastic. The housing 15 is used for placing the main PCB board 14, the dust sensor 2 and the display screen 16. The PCB main board 14 is a customized main board and is dedicated to the particulate matter detection device 1. The main PCB board 14 and the dust sensor 2 are fixed inside the housing 15 by gluing or by providing a dedicated card slot. The main PCB 14 is used for converting the detection data transmitted by the dust sensor 2 into display data suitable for the display screen 16, and is connected to the dust sensor 2 and the display screen 16 through physical lines such as PCB copper foil or wires capable of transmitting electric signals.

In another medical apparatus provided in the embodiment of the present application, the housing 15 includes a left housing and a right housing that are separable, and the left housing and the right housing are fixed by a fastening manner of a buckle or a screw.

The shell 15 can be separated into a left shell and a right shell, or the shell can be manufactured in an integral casting mode during production, and at the moment, the shell 15 is not separable. In addition, the left and right cases may be connected by gluing or welding, but the left and right cases may become not easily separated.

In another medical apparatus provided by the embodiment of the present application, the display screen 16 is a touch display screen.

The display screen 16 may be a large-sized touch screen, and functions of the particulate matter detection device 1 are realized through the touch screen, such as setting a particulate matter concentration standard, and once the particulate matter concentration in the filter body 6 exceeds the set standard, the particulate matter detection device 1 sends a prompt message. The display 16 may also display other data, such as date, air quality corresponding to different concentration intervals. The display screen 16 may also be a small touch-sensitive display screen, displaying only important data, such as the particulate concentration present in the filter body 6.

As shown in fig. 4, in another medical apparatus provided in the embodiment of the present application, a lower portion of the display screen 16 is fixedly connected to the bracket 17, and the bracket 17 is fixed to an upper portion of the housing 15.

The connection between the bracket 17 and the display screen 16 may be formed by casting, or one end of the bracket 17 may be placed by providing a groove on the lower portion of the display screen 16, or may be fixed by gluing or other connection methods.

In another medical device provided by the embodiment of the present application, the bracket 17 is shaped like an elliptical table and one end of the bracket is provided with a limiting part 18 for limiting the bracket 17 on the housing 15.

The shape of the bracket 17 may also be a cone, and the material of the bracket 17 may be plastic, wood, or metal. The connection between the bracket 17 and the housing 15 may be made by providing a through hole through which the bracket 17 can pass on the housing 15, passing one end of the bracket 17 through the through hole of the housing 15, and gluing or welding the position-limiting member 18 to one end of the bracket 17 extending into the housing 15, or by first fixing the position-limiting member 18 to one end of the bracket 17 by gluing or welding, separating the housing 15, and then combining and fixing the housings 15 above the position-limiting member 18. The limiting member 18 is located inside the housing 15 and may be in the shape of a ring or a cylinder as long as it can limit the movement of one end of the bracket 17 located inside the housing 15.

In another medical apparatus provided by the embodiment of the present application, the first sampling port 9 and the second sampling port 10 are fixed to the second cavity 13 by way of integral casting.

The positions of the first sampling port 9 and the second sampling port 10 are not specifically limited, and may be close to each other or far away from each other, as long as the transmitting tube 4 and the receiving tube 5 can be placed in the patient end connecting tube 8 without affecting the use.

In another medical apparatus provided by the embodiment of the present application, a gap between the first sampling port 9 and the transmitting tube 4, and a gap between the second sampling port 10 and the receiving tube 5 are sealed by a sealing material.

The sealing material may be rubber or a synthetic resin, and air and other impurities are prevented from entering the filter body 6 through the first sampling port 9 and the second sampling port 10.

As shown in fig. 5, in another medical apparatus provided in the embodiment of the present application, a moisture and heat exchange medium 19 is further included in the filter main body 6.

Wherein, the damp and heat exchange medium 19 has the characteristics of temporarily storing moisture and heat and rapidly releasing moisture and heat, and processes the air passing through the filtering membrane 12 again. The moisture and heat exchange medium 19 may be sponge or cotton. The heat and moisture exchange medium 19 may be located in the first chamber 11 or the second chamber 13 without affecting the use of the machine end connection tube 7 and the patient end connection tube 8 or affecting the air circulation in the filter body 6.

In another medical device provided by the embodiment of the present application, the second cavity 13 includes a space where the moisture and heat exchange medium 19 does not exist, and the top ends of the transmitting tube 4 and the receiving tube 5 are located in the space.

When the damp and heat exchange medium 19 is located in the second cavity 13, instead of the damp and heat exchange medium 19 being filled in the second cavity 13, a space without the damp and heat exchange medium 19 is reserved for placing the top ends of the transmitting tube 4 and the receiving tube 5, so that the damp and heat exchange medium 19 does not affect the particulate matter detection process in the filter body 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments.

Claims

1. A medical device, characterized in that it comprises: a particulate matter detection device and a respiratory filter;

2. The medical device of claim 1, wherein the particulate detection device further comprises: the display screen comprises a main PCB, a shell and a display screen;

3. The medical device as claimed in claim 2, wherein the housing comprises a left housing and a right housing which are separable, and the left housing and the right housing are fixed by a fastening manner of a buckle or a screw.

4. The medical device of claim 2, wherein the display screen is a touch display screen.

5. The medical device of claim 2, wherein a lower portion of the display screen is fixedly coupled to a bracket, the bracket being secured to an upper portion of the housing.

6. The medical device according to claim 5, wherein the holder is shaped as an elliptical table and one end is provided with a stopper member for restraining the holder to the housing.

7. The medical device of claim 1, wherein the first sampling port and the second sampling port are secured to the second lumen using a cast-in-one process.

8. The medical device of claim 1, wherein a space between the first sampling port and the launch tube, and a space between the second sampling port and the receiving tube, are each sealed with a sealing material.

9. The medical device of claim 1, further comprising a moisture and heat exchange medium within the filter body.

10. The medical device of claim 9, wherein the second lumen comprises a space in which the heat and moisture exchange medium is absent, the tips of the emitter tube and the receiver tube being located within the space.