CN214762462U

CN214762462U - Push type anti-backflow sputum suction device

Info

Publication number: CN214762462U
Application number: CN202023134175.1U
Authority: CN
Inventors: 王咏梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-19
Anticipated expiration: 2030-12-23

Abstract

The utility model provides a push type prevents that refluence inhales phlegm device, include: the valve body, the left valve cover, the right valve cover, the valve core and the sputum suction pipe; the valve body is of a cylindrical structure with the left end and the right end communicated, and the middle part of the valve body is respectively provided with an upper joint and a lower joint which are communicated; the left valve cover is connected with the left port of the valve body; the right valve cover is connected to the right port of the valve body and is an annular cover; the valve core is assembled in the valve body in a sliding and sealing mode, a valve hole is formed in the middle of the valve core, a spring is arranged between the inner end of the valve core and the left valve cover, and the outer end of the valve core extends out of the right valve cover; the upper end of the sputum suction pipe is connected with the lower connector, and the lower end of the sputum suction pipe is provided with an opening. The utility model discloses pressure regulation's controllability when can improve the sputum suction can prevent to inhale secretion such as the sputum of intraductal suction of sputum and spill over the valve body, can avoid inhaling the intraductal sputum of sputum or secretion and arouse the superinfection in the respiratory track of backward flow patient.

Description

Push type anti-backflow sputum suction device

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to push type anti-reflux sputum suction device.

Background

When the secretion such as sputum in the oral cavity and the respiratory tract of a patient is too much, the normal respiration of the patient is affected, the patient may have dyspnea, even suffocation and life threatening, and at this time, the secretion such as the sputum needs to be sucked out. The existing sputum suction device comprises a valve body and a sputum suction pipe, wherein the sputum suction pipe is connected to a negative pressure device, the pipeline of the sputum suction pipe is provided with the valve body, and the side wall of the valve body is provided with a side opening. When sputum needs to be sucked, the sputum suction tube is inserted into the respiratory tract of a patient through the nasal cavity or the oral cavity, the negative pressure device is opened, medical staff blocks the side opening on the valve body by fingers, the negative pressure device normally sucks the sputum through the sputum suction tube, when the sputum suction tube needs to be stopped, the side opening is released by the fingers of the medical staff, the negative pressure device communicates with the outdoor atmosphere through the side opening, negative pressure in the sputum suction tube disappears, and the suction is stopped. However, this structure has several disadvantages: firstly, medical staff can not randomly change the size of negative pressure suction according to specific conditions when sucking oral and respiratory sputum, thereby causing mucosa damage bleeding and the like; secondly, when the medical staff releases the side opening, the sputum remained in the sputum suction tube flows back to the oral cavity or respiratory tract of the patient due to the disappearance of the negative pressure, and secondary infection can be caused; thirdly, when the sputum suction tube is inserted into the oral cavity or the respiratory tract of a patient, the lower port of the sputum suction tube is easy to cause wound to the mucosa of the respiratory tract; fourthly, when the gloves block the holes, the gloves are easy to clamp and may be damaged, which causes direct contact infection of medical staff; fifthly, in the sputum suction process, the sample needs to be left and the sputum suction sample collector needs to be replaced, which causes secondary waste, inconvenient operation and missing the best suction opportunity.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a push-type anti-reflux sputum aspirator to overcome the above problems or to at least partially solve or alleviate the above problems.

The utility model provides a push type prevents that refluence inhales phlegm device, include:

the valve body is of a cylindrical structure with the left end and the right end communicated, and an upper connector and a lower connector which are communicated are respectively arranged in the middle of the valve body;

the left valve cover is connected to the left port of the valve body;

the right valve cover is connected to the right port of the valve body and is an annular cover;

the valve core is assembled in the valve body in a sliding and sealing mode, a valve hole is formed in the middle of the valve core, a spring is arranged between the inner end of the valve core and the left valve cover, and the outer end of the valve core extends out of the right valve cover;

the upper end of the sputum suction pipe is connected with the lower connector, and the lower end of the sputum suction pipe is provided with an opening;

when the valve core moves a certain distance leftwards, the valve hole is communicated with the upper joint and the lower joint, and when the valve core moves a certain distance rightwards, the valve hole moves to the right port of the valve cylinder, and the lower joint is blocked by the side wall of the valve core.

The utility model discloses optional characteristic below still having.

Optionally, a space is left between the inner edge of the right valve cover and the edge of the right port of the valve body, a limiting ring is arranged at the right part of the valve core, and the limiting ring is located between the right port of the valve body and the inner edge of the right valve cover.

Optionally, a vent hole is formed in the left valve cover, a longitudinal groove is formed in the side face of the inner end of the valve core, and the longitudinal groove is communicated with the upper joint and the vent hole after the valve core moves rightwards to a certain position.

Optionally, a limiting groove is further longitudinally formed in the side wall of the inner end of the valve core, a limiting protruding strip is longitudinally arranged in the left port of the valve body, and the limiting protruding strip extends into the limiting groove.

Optionally, the outer end of the valve core is provided with a pressing cap.

Optionally, a sampling joint is further arranged on the side wall of the valve body, and a plug is assembled on the sampling joint.

Optionally, the sampling device further comprises a sampling bottle, and a port of the sampling bottle is matched with the sampling joint.

Optionally, the opening at the lower end of the suction tube comprises a constriction at the end.

Optionally, a plurality of lateral ports are arranged on the side wall of the lower end of the sputum suction tube.

The utility model discloses a push type is prevented backflowing and is inhaled phlegm device is connecting negative pressure equipment and inhaling when the phlegm pipe inhales the phlegm to the patient, and the case that accessible control has the valve opening removes in the valve body to this control valve body's top connection and switching on of lower clutch, when the case by the intercommunication of top connection and lower clutch, still can maintain the encapsulated situation of the upper end of inhaling the phlegm pipe, avoid inhaling the intraductal sputum of phlegm and flow back to in patient's throat or the respiratory track.

Drawings

FIG. 1 is a schematic structural view of a push-type anti-reverse sputum aspirator of the present invention;

FIG. 2 is a block-off state structural view of the valve body in FIG. 1;

fig. 3 is a cross-sectional view at a-a in fig. 2.

In the above figures: 1, a valve body; 101, connecting a joint; 102 a lower joint; 103 left port; 104 right port; 105 limiting convex strips; 106 a sampling connector; 107 plug; 2, a left valve cover; a vent 201; 3, a right valve cover; 4, a valve core; 401 valve hole; 402, a spacing ring; 403 longitudinal grooves; 404 a limiting groove; 405 pressing the cap; 5, a spring; 6, a sputum suction tube; 601, necking down; 602 a lateral port; and 7, sampling the bottle.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Detailed Description

Example 1

Referring to fig. 1 and 2, an embodiment of the present invention provides a push type anti-backflow sputum aspirator, including: the valve body 1, the left valve cover 2, the right valve cover 3, the valve core 4 and the sputum suction pipe 6; the valve body 1 is of a cylindrical structure with the left end and the right end communicated, and an upper joint 101 and a lower joint 102 which are communicated are respectively arranged in the middle of the valve body 1; the upper joint 101 and the lower joint 102 are perpendicular to the body of the valve body 1, and the left valve cover 2 is connected to a left port 103 of the valve body 1; the right valve cover 3 is connected to the right port 104 of the valve body 1, and the right valve cover 3 is an annular cover; the valve core 4 is assembled in the valve body 1 in a sliding and sealing mode, a valve hole 401 is formed in the middle of the valve core 4, the direction of the valve hole 401 is perpendicular to the axis of the valve core 4, a spring 5 is arranged between the inner end of the valve core 4 and the left valve cover 2, and the outer end of the valve core 4 extends out of the right valve cover 3; the upper end of the sputum suction pipe 6 is connected with the lower joint 102, and the lower end of the sputum suction pipe 6 is provided with an opening; when the valve core 4 moves a certain distance to the left in the valve body 1, the valve hole 401 is communicated with the upper joint 101 and the lower joint 102, and when the valve core 4 moves a certain distance to the right, the valve hole 401 moves into the right port 104 of the valve cylinder 1, and the lower joint 102 is blocked by the side wall of the valve core 4.

When the secretion of patient's respiratory tract is too much, medical staff passes through tube coupling negative pressure device with top connection 101 of valve body 1, the upper end of inhaling phlegm pipe 6 is connected to lower clutch 102, the lower extreme that will inhale phlegm pipe 6 again inserts in patient's oral cavity or the respiratory tract, open negative pressure device, then press the outer end of case 4, spring 5 receives the extrusion this moment, valve opening 401 on the case 4 communicates top connection 101 and lower clutch 102, negative pressure device switches on with inhaling phlegm pipe 6, begin to aspirate secretion such as sputum, the staff still can change the intercommunication area of valve opening 401 and top connection 101 and lower clutch 102 through the distance of pressing that changes case 4 at any time, inhale the suction size of phlegm pipe 6 with this adjustment.

When needs interrupt the suction temporarily, medical staff releases the outer end of case 4, the extension of spring 6, promote case 4 right side, valve opening 401 on the case 4 moves in the right port 104 of valve body 1 this moment, the lateral wall shutoff lower clutch 102 of case 4, sputum in the valve body 1 can not flow out from right port 104 or left port 103 of valve body 1, inhale the interior negative pressure of phlegm pipe 6 and disappear, stop to aspirate the sputum, simultaneously because inhale the upper end of phlegm pipe 6 by the shutoff, receive the atmospheric pressure effect, sputum in inhaling phlegm pipe 6 can not flow back in patient's oral cavity or the respiratory track.

Example 2

Referring to fig. 1 and 2, on the basis of embodiment 1, a space is left between the inner edge of the right bonnet 3 and the edge of the right port 104 of the valve body 1, the right portion of the valve core 4 is provided with a limit ring 402, and the limit ring 402 is located between the right port 104 of the valve body 1 and the inner edge of the right bonnet 3.

The limit ring 402 protrudes out of the side wall of the valve core 4, the outer diameter of the limit ring is larger than the inner diameter of the inner edge of the right valve cover 3, and a space is left between the inner edge of the right valve cover 3 and the edge of the right port 104 of the valve body 1, so that the valve core 4 can slide left and right, and meanwhile, the valve core 4 is prevented from sliding out of the valve body 1.

Example 3

Referring to fig. 1 and 2, in embodiment 1, a vent 201 is provided on the left valve cover 2, a longitudinal groove 403 is provided on a side surface of a left portion of the valve element 4, and after the valve element 4 moves to a certain position in the right direction, the longitudinal groove 403 communicates the upper joint 101 and the vent 201.

When the suction needs to be temporarily or temporarily interrupted, the medical staff stops pressing the valve core 4, the spring 5 pushes the valve core 4 to move rightwards, the lower joint 102 is blocked by the side wall of the valve core 4, the sputum suction pipe 6 stops sucking sputum, the longitudinal groove 403 on the side wall of the inner end of the valve core 4 starts to communicate the upper joint 101 and the vent 201, so that the negative pressure device directly sucks external air, the operation of the negative pressure device does not need to be stopped, and the frequent switch damage of the negative pressure device is avoided.

Example 4

Referring to fig. 3, on the basis of embodiment 1, a limiting groove 404 is further longitudinally arranged on the side wall of the left end of the valve core 4, a limiting protruding strip 105 is longitudinally arranged in the left port of the valve body 1, and the limiting protruding strip 105 extends into the limiting groove 404.

The limiting groove 404 on the left end side wall of the valve core 4 is matched with the limiting convex strip 105 in the left port of the valve body 1, so that the valve core 4 can be prevented from rotating in the valve body 1, and the orientation of the valve hole 401 is ensured to be the same as that of the upper joint 101 and the lower joint 102.

Example 5

Referring to fig. 1 and 2, on the basis of embodiment 1, the outer end of the valve core 4 is provided with a pressing cap 405.

The pressing cap 405 is inserted or welded on the outer end of the valve core 4, so that the pressing area of the outer end of the valve core 4 can be increased, and the pressing operation of medical staff is facilitated.

Example 6

Referring to fig. 1 and 2, on the basis of embodiment 1, a sampling joint 106 is further provided on the side wall of the valve body 1, and a plug 107 is assembled on the sampling joint 106.

Connect sampling device on sampling joint 106, can take a sample to the sputum through valve body 1 when taking out the sputum, reuse end cap 107 blocks up sampling joint 106 after the sample is accomplished.

Example 7

Referring to fig. 1 and 2, in addition to embodiment 6, the sampling device further comprises a sampling bottle 7, and a port of the sampling bottle 7 is matched with the sampling joint 106.

The port and the sampling joint 106 phase-match of sampling bottle 7, when the sample with the port grafting of sampling bottle 7 can on sampling joint 106, when the suction sputum, the sputum has partial sputum to get into in the sampling bottle 7 from sampling joint 106 when passing through valve body 1.

Example 8

Referring to fig. 1, on the basis of embodiment 1, the opening at the lower end of the sputum suction tube 6 comprises a necking 601 at the end.

The lower port of the sputum suction tube 6 is a necking 601, the end face of the necking 601 inclines inwards, the outer side face is arc-shaped, and the damage of the lower port of the sputum suction tube 6 to the oral cavity or respiratory tract mucosa of a patient can be effectively reduced.

Example 9

In addition to the embodiment 1, a plurality of lateral ports 602 are provided on the side wall of the lower end of the sputum aspirator 6.

The plurality of lateral openings 602 are evenly distributed on the side wall of the lower port of the sputum aspirator tube 6, increasing the suction range of the end of the sputum aspirator tube 6.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.

Claims

1. A push type anti-reflux sputum aspirator is characterized by comprising:

the valve body (1) is of a cylindrical structure with the left end and the right end communicated, and an upper joint (101) and a lower joint (102) which are communicated are respectively arranged in the middle of the valve body (1);

the left valve cover (2), the left valve cover (2) is connected to a left port (103) of the valve body (1);

the right valve cover (3), the right valve cover (3) is connected to the right port (104) of the valve body (1), and the right valve cover (3) is an annular cover;

the valve core (4) is assembled in the left port (103) and the right port (104) of the valve body (1) in a sliding and sealing mode, a valve hole (401) is formed in the middle of the valve core (4), a spring (5) is arranged between the inner end of the valve core (4) and the left valve cover (2), and the outer end of the valve core (4) extends out of the right valve cover (3);

the upper end of the sputum suction pipe (6) is connected with the lower joint (102), and the lower end of the sputum suction pipe (6) is provided with an opening;

when the valve core (4) moves leftwards for a certain distance, the valve hole (401) is communicated with the upper joint (101) and the lower joint (102), when the valve core (4) moves rightwards for a certain distance, the position of the valve hole (401) moves into a right port (104) of the valve body (1), and the lower joint (102) is blocked by the side wall of the valve core (4).

2. The push type anti-reflux sputum suction device according to claim 1, wherein a space is left between the inner edge of the right valve cover (3) and the right port edge of the valve body (1), the right portion of the valve core (4) is provided with a limit ring (402), and the limit ring (402) is located between the right port (104) of the valve body (1) and the inner edge of the right valve cover (3).

3. The push type anti-reverse-flow sputum aspirator of claim 1, wherein the left valve cover (2) is provided with a vent (201), the side surface of the left portion of the valve core (4) is provided with a longitudinal groove (403), the longitudinal groove (403) is provided, and after the valve core (4) moves to a certain position rightwards, the longitudinal groove (403) is communicated with the upper connector (101) and the vent (201).

4. The push type anti-reflux sputum aspirator of claim 1, wherein the side wall of the inner end of the valve core (4) is further provided with a limiting groove (404) longitudinally, a limiting convex strip (105) is longitudinally arranged in the left port (103) of the valve body (1), and the limiting convex strip (105) extends into the limiting groove (404).

5. The push type anti-reflux sputum aspirator of claim 1, wherein the outer end of the valve core (4) is provided with a pressing cap (405).

6. The push type anti-reflux sputum aspirator of claim 1, wherein the side wall of the valve body (1) is further provided with a sampling connector (106), and the sampling connector (106) is provided with a plug (107).

7. The push type anti-reflux sputum aspirator of claim 6, further comprising a sampling bottle (7), wherein the port of the sampling bottle (7) matches with the sampling connector (106).

8. The push type anti-reflux sputum aspirator of claim 1, wherein the opening at the lower end of the sputum aspirator tube (6) comprises a constriction (601) at the end.

9. The push type anti-reflux sputum aspirator of claim 1, wherein the side wall of the lower end of the sputum aspirator tube (6) is provided with a plurality of lateral ports (602).