CN214914798U

CN214914798U - Gas drying tube for end-expiratory carbon dioxide monitor

Info

Publication number: CN214914798U
Application number: CN202121073942.4U
Authority: CN
Inventors: 宋士成; 周京迪
Original assignee: Hangzhou Zhenguan Medical Instrument Co ltd
Current assignee: Zhejiang Yuanxiang Medical Equipment Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-11-30
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a gaseous drying tube for end-tidal carbon dioxide monitor, including dry section, the equal fixed mounting horn pipe in both ends of dry section, horn pipe connection trachea, female luer connector of fixed connection and male luer connector on two horn pipes respectively, two tracheal terminal surfaces are connected with another female luer connector and male luer connector, and female luer connector of male luer connector joint on adjacent horn pipe and the trachea luer connector installs anti-disengaging mechanism between female luer connector and the outer wall that male luer connector connects. Make female luer connect and male luer connect to need not the screw thread through anti-disengaging mechanism and can the high-speed joint, connect and stabilize and avoid the pine to take off, and can not lead to the trachea to rotate and tie a knot, can dry expired gas in succession through the drying section, can not produce any comdenstion water, just the utility model discloses need not periodic replacement, convenient operation, drying effect is good.

Description

Gas drying tube for end-expiratory carbon dioxide monitor

Technical Field

The utility model relates to the technical field of medical equipment, specifically a gas drying tube for end-expiratory carbon dioxide monitor.

Background

End-tidal carbon dioxide, as a non-invasive monitoring technique, has been considered as the sixth basic vital sign, in addition to body temperature, respiration, pulse, blood pressure, arterial oxygen saturation. The end-tidal carbon dioxide can be measured to reflect the changes of the ventilation, circulation, metabolism and the like of the patient.

During the measurement of the end-tidal carbon dioxide, the moisture component entering the main machine of the end-tidal carbon dioxide monitor can affect the accurate value of the carbon dioxide and damage the machine. Traditional filter is through a slice of film filtration aqueous vapor, there are countless apertures on the film, there is a little ponding cup below the film, at filterable in-process, gaseous filtration time is only for a few tenths of a second through the film, it is very incomplete to filter, still can have a large amount of aqueous vapor to enter into the machine, the time is long, lead to the host computer to damage, thereby influence and measure the accuracy, traditional filter needs to change the ponding cup regularly, it is inconvenient to use, and traditional filter is connected through ordinary luer with the trachea, it fastens through the screw thread mode, it is easy to lead to connecting the pine because of rocking in the use, and rotatory easy trachea that leads to being rotated during the dismouting and knotted, for this we propose a gas drying tube that is used for end-expiratory carbon dioxide monitor to be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas drying pipe for end-tidal carbon dioxide monitor to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gaseous drying tube for end-expiratory carbon dioxide monitor, includes dry section, the equal fixed mounting horn pipe in both ends of dry section, the horn pipe is connected trachea, two female luer connector of fixed connection and male luer connector, two on the horn pipe respectively tracheal terminal surface is connected with another female luer connector and male luer connector, and is adjacent female luer connector of male luer connector joint on horn pipe and the trachea, install anti-disengaging mechanism between female luer connector and the outer wall of male luer connector.

Preferably, the inner wall of the female luer connector is provided with a slot, the end face of the male luer connector is fixedly provided with a plug, and the plug is clamped with the slot in a sliding manner.

Preferably, the flared tube is of a hollow round platform structure, and the large-diameter end of the flared tube is fixedly connected with the drying section.

Preferably, the dry section includes the fixed plate, the big footpath end fixed mounting fixed plate of horn pipe, many exchange membrane pipes are cup jointed to the fixed inter-plate fixed, fixed connection outer tube between the edge of fixed plate, the outer tube parcel is in the outside of exchanging the membrane pipe, exchange the intraductal dispersion net that is equipped with of membrane, a plurality of supporting nets are cup jointed to the dispersion net is last fixed, the inner wall of exchanging the membrane pipe is connected to the outer wall thigh type of supporting net.

Preferably, the exchange membrane tube is a fluorine-containing polymer ion exchange membrane tube, and is a plurality of the exchange membrane tube is uniformly distributed along the circumferential direction of the fixing plate, and the outer sleeve is of a PVC net structure.

Preferably, anti-disengaging mechanism includes the go-between, female luer connects and the equal fixed mounting go-between of outer wall that public luer connects is close to mutually, the go-between laminates each other, two activity rings are cup jointed in the outside of go-between, the inner wall of activity ring is opened there is the indent, indent joint go-between, two the one end of activity ring is articulated each other, two the other end of activity ring is first connecting plate of fixed connection and second connecting plate respectively, fixed mounting fixture block on the first connecting plate, it has the draw-in groove to open on the second connecting plate, fixture block slip joint draw-in groove.

Preferably, the outer wall of one side, far away from the connecting rings, of the connecting ring is of an inclined structure, the inner walls of the two sides of the pressure groove are of inclined structures, and the cross section of the pressure groove and the cross sections of the two connecting rings are of matched isosceles trapezoid structures.

Preferably, the elastic plastic L-shaped structure of the clamping block, the clamping groove is an L-shaped structure attached to the clamping block, and one end, far away from the first connecting plate, of the clamping block is of an inclined structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. exhaled air is uniformly dispersed into the fluorine-containing polymer ion exchange membrane pipes through the horn pipes, the contact area of the air and the fluorine-containing polymer ion exchange membrane pipes is increased, the air is scattered through the dispersing net and the supporting net, so that the exhaled air is in full contact with the fluorine-containing polymer ion exchange membrane pipes, the fluorine-containing polymer ion exchange membrane pipes have strong hydrophilicity, water vapor in exhaled air can reach the outer side of the membrane through the membrane wall, the dryness of the exhausted air is ensured, the separated water vapor is discharged as air with high humidity, no condensate water is generated, the utility model discloses the periodic replacement is not needed, the operation is convenient, and the drying effect is good;

2. after the plug is inserted into the slot, the connecting ring is tightly attached, the movable ring is rotatably sleeved on the connecting ring, the first connecting plate and the second connecting plate are pressed, the clamping block is clamped in the clamping groove to be quickly fixed, the connecting ring is gradually compressed by the pressing groove, and the connecting ring is extruded by the inclined plane, so that the female luer connector and the male luer connector are mutually compressed, the connection sealing performance is improved, threaded connection is not needed, looseness during use is avoided, and the air pipe is prevented from being knotted due to rotation of the air pipe during rotation of the threads;

3. when first connecting plate and second connecting plate were close to mutually, the inclined plane of fixture block contacted the draw-in groove inner wall earlier to make the fixture block outwards open, when first connecting plate and second connecting plate laminating, the fixture block inserts in the draw-in groove completely, fixture block elasticity makes the diaphragm card of L type structure go into in the draw-in groove, realizes quick fixed, stimulates the fixture block, makes the diaphragm of L type structure break away from the draw-in groove and can open the loose ring, and it is convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the point B in fig. 2 according to the present invention.

In the figure: 1. a drying section; 11. a fixing plate; 12. exchanging a membrane tube; 13. an outer sleeve; 14. a dispersion net; 15. a support net; 2. a flare tube; 3. a female luer fitting; 31. a slot; 4. a male luer fitting; 41. a plug; 5. an air tube; 6. an anti-drop mechanism; 61. a connecting ring; 62. a movable ring; 63. pressing a groove; 64. a first connecting plate; 65. a clamping block; 66. a second connecting plate; 67. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a gaseous drying tube for end-expiratory carbon dioxide monitor, includes dry section 1, the equal fixed mounting flare tube 2 in both ends of dry section 1, flare tube 2 connects trachea 5, female luer connector 3 of fixed connection and male luer connector 4 on two flare tubes 2 respectively, the terminal surface of two trachea 5 is connected with another female luer connector 3 and male luer connector 4, female luer connector 3 of male luer connector 4 joint on adjacent flare tube 2 and the trachea 5, installation anti-disengaging mechanism 6 between female luer connector 3 and the outer wall of male luer connector 4. Make female luer 3 and male luer 4 to need not the screw thread through anti-disengaging mechanism 6 and can high-speed joint, connect and stabilize and avoid the pine to take off, and can not lead to trachea 5 to rotate and tie a knot, can dry expired gas in succession through dry section 1, need not frequent change.

The inner wall of the female luer connector 3 is provided with a slot 31, the end surface of the male luer connector 4 is fixedly provided with a plug 41, and the plug 41 is slidably clamped with the slot 31.

The horn tube 2 is of a hollow round platform structure, and the large-diameter end of the horn tube 2 is fixedly connected with the drying section 1.

The drying section 1 comprises a fixing plate 11, a large-diameter end of a horn tube 2 is fixedly provided with the fixing plate 11, a plurality of exchange membrane tubes 12 are fixedly sleeved between the fixing plate 11, an outer sleeve 13 is fixedly connected between the edges of the fixing plate 11, the outer sleeve 13 is wrapped on the outer side of the exchange membrane tubes 12, a dispersion net 14 is arranged in the exchange membrane tubes 12, a plurality of support nets 15 are fixedly sleeved on the dispersion net 14, the outer wall strands of the support nets 15 are connected with the inner wall of the exchange membrane tubes 12, the exchange membrane tubes 12 are fluorine-containing polymer ion exchange membrane tubes, the exchange membrane tubes 12 are uniformly distributed along the circumferential direction of the fixing plate 11, the outer sleeve 13 is of a PVC net structure, exhaled air is uniformly dispersed into the fluorine-containing polymer ion exchange membrane tubes through the horn tube 2, the contact area of the air and the fluorine-containing polymer ion exchange membrane tubes is increased, the air is scattered through the dispersion net 14 and the support net 15, and accordingly the exhaled air is convenient to fully contact the fluorine-containing polymer ion exchange membrane tubes, fluorine-containing polymer ion exchange membrane tube has very strong hydrophilicity, and the vapor in the expiration can see through the outside that the membrane wall reachd the membrane to guarantee exhaust gas's aridity, the vapor of isolating can not produce any comdenstion water as the high gas outgoing of humidity, just the utility model discloses need not periodic replacement, convenient operation, drying effect is good.

The anti-drop mechanism 6 comprises a connecting ring 61, the connecting ring 61 is fixedly arranged on the outer wall of the adjacent female luer connector 3 and the outer wall of the adjacent male luer connector 4, the connecting ring 61 is attached to each other, the outer side of the connecting ring 61 is sleeved with two movable rings 62, the inner wall of each movable ring 62 is provided with a pressure groove 63, each pressure groove 63 is clamped with the connecting ring 61, one ends of the two movable rings 62 are hinged to each other, the other ends of the two movable rings 62 are respectively and fixedly connected with a first connecting plate 64 and a second connecting plate 66, a fixture block 65 is fixedly arranged on the first connecting plate 64, a fixture groove 67 is arranged on the second connecting plate 66, the fixture block 65 is slidably clamped with the fixture groove 67, the outer wall of the side, away from the connecting ring 61, the inner walls of the two sides of the pressure groove 63 are of an inclined structure, the cross section of the pressure groove 63 and the cross sections of the two connecting rings 61 are of an isosceles trapezoid structure which is matched with each other, after the plug 41 is inserted into the slot 31, the connecting ring 61 is tightly attached, the movable rings 62 are rotatably sleeved on the connecting ring 61, the first connecting plate 64 and the second connecting plate 66 are pressed, so that the clamping block 65 is clamped with the clamping groove 67 to be quickly fixed, the pressing groove 63 gradually compresses the connecting ring 61 at the moment, the connecting ring 61 is extruded through the inclined plane, the female luer connector 3 and the male luer connector 4 are mutually compressed, the connection sealing performance is improved, the clamping block 65 is manually pulled away from the clamping groove 67, and the clamping block can be detached without threaded connection.

The elastic plastic L-shaped structure of the fixture block 65, the clamping groove 67 is an L-shaped structure for fitting the fixture block 65, one end, away from the first connecting plate 64, of the fixture block 65 is an inclined structure, when the first connecting plate 64 and the second connecting plate 66 are close to each other, the inclined surface of the fixture block 65 contacts the inner wall of the clamping groove 67 first, so that the fixture block 65 is opened outwards, when the first connecting plate 64 and the second connecting plate 66 are fitted, the fixture block 65 is completely inserted into the clamping groove 67, the elastic force of the fixture block 65 enables the transverse plate of the L-shaped structure to be clamped into the clamping groove 67, quick fixation is achieved, the fixture block 65 is pulled, the transverse plate of the L-shaped structure is separated from the clamping groove 67, so that the movable ring 62 can be opened, and the use is convenient.

The working principle is as follows: when the utility model is used, after the plug 41 is inserted into the slot 31, the connecting ring 61 is tightly attached, the movable ring 62 is rotatably sleeved on the connecting ring 61, the first connecting plate 64 and the second connecting plate 66 are pressed to quickly fix the clamping block 65 in the clamping groove 67, at the moment, the pressing groove 63 gradually compresses the connecting ring 61 and extrudes the connecting ring 61 through the inclined plane, so that the female luer 3 and the male luer 4 are mutually compressed, the connection tightness is improved, the threaded connection is not needed, the loosening during the use is avoided, the air pipe 5 is prevented from rotating and knotting when the threads rotate, the exhaled air is uniformly dispersed into a plurality of fluorine-containing polymer ion exchange membranes through the horn pipe 2, the contact area between the air and the fluorine-containing polymer ion exchange membranes is increased, the air is scattered through the dispersing net 14 and the supporting net 15, and the exhaled air is conveniently and fully contacts with the fluorine-containing polymer ion exchange membranes, fluorine-containing polymer ion exchange membrane tube has very strong hydrophilicity, and the vapor in the expiration can see through the outside that the membrane wall reachd the membrane to guarantee exhaust gas's aridity, the vapor of isolating can not produce any comdenstion water as the high gas outgoing of humidity, just the utility model discloses need not periodic replacement, convenient operation, drying effect is good, stimulates fixture block 65 for the diaphragm of L type structure breaks away from draw-in groove 67 and can opens movable ring 62, and it is convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gas drying tube for an end-tidal carbon dioxide monitor, comprising a drying section (1), characterized in that: equal fixed mounting horn pipe (2) in both ends of dry section (1), trachea (5), two are connected in horn pipe (2) female luer connector (3) of fixed connection and public luer connector (4), two on horn pipe (2) respectively the terminal surface of trachea (5) is connected with another female luer connector (3) and public luer connector (4), and is adjacent female luer connector (3) of public luer connector (4) joint on horn pipe (2) and trachea (5), install anti-disengaging mechanism (6) between the outer wall of female luer connector (3) and public luer connector (4).

2. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 1, wherein: the inner wall of the female luer connector (3) is provided with a slot (31), the end face of the male luer connector (4) is fixedly provided with a plug (41), and the plug (41) is clamped with the slot (31) in a sliding manner.

3. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 1, wherein: the horn tube (2) is of a hollow round platform structure, and the large-diameter end of the horn tube (2) is fixedly connected with the drying section (1).

4. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 1, wherein: dry section (1) is including fixed plate (11), the big footpath end fixed mounting fixed plate (11) of horn pipe (2), fixed cup joint many exchange membrane pipes (12) between fixed plate (11), fixed connection outer tube (13) between the edge of fixed plate (11), outer tube (13) parcel is in the outside of exchanging membrane pipe (12), be equipped with dispersion net (14) in exchange membrane pipe (12), fixed cup jointing a plurality of supporting networks (15) on dispersion net (14), the inner wall of exchanging membrane pipe (12) is connected to the outer wall strand type of supporting network (15).

5. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 4, wherein: exchange membrane pipe (12) are fluorine-containing polymer ion exchange membrane pipe, and are a plurality of exchange membrane pipe (12) are along the circumferencial direction evenly distributed of fixed plate (11), outer tube (13) are PVC network structure.

6. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 1, wherein: anti-disengaging mechanism (6) are including go-between (61), the equal fixed mounting go-between (61) of outer wall that female luer connector (3) and public luer connector (4) are close to mutually, go-between (61) laminate each other, two activity rings (62) are cup jointed in the outside of go-between (61), the inner wall of activity ring (62) is opened there are indent (63), indent (63) joint go-between (61), two the one end of activity ring (62) is articulated each other, two the other end difference fixed connection first connecting plate (64) and second connecting plate (66) of activity ring (62), fixed mounting fixture block (65) are gone up in first connecting plate (64), it has draw-in groove (67) to open on second connecting plate (66), fixture block (65) slip joint draw-in groove (67).

7. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 6, wherein: the outer wall of one side, far away from the connecting rings (61), of each connecting ring is of an inclined structure, the inner walls of two sides of the pressure groove (63) are of inclined structures, and the cross section of the pressure groove (63) and the cross sections of the two connecting rings (61) are of matched isosceles trapezoid structures.

8. A gas drying tube for an end-tidal carbon dioxide monitor as claimed in claim 6, wherein: the elastic plastic L-shaped structure of the clamping block (65), the clamping groove (67) is an L-shaped structure attached to the clamping block (65), and one end, far away from the first connecting plate (64), of the clamping block (65) is of an inclined structure.