CN212789268U

CN212789268U - Back-blowing type manual sputum aspirator

Info

Publication number: CN212789268U
Application number: CN202020580248.0U
Authority: CN
Inventors: 张欣; 孙宝华; 邸庆国; 杜文秀; 刘芳
Original assignee: CANGZHOU CENTRAL HOSPITAL
Current assignee: CANGZHOU CENTRAL HOSPITAL
Priority date: 2020-04-18
Filing date: 2020-04-18
Publication date: 2021-03-26
Anticipated expiration: 2030-04-18

Abstract

The utility model discloses a back-blowing manual sputum aspirator, which comprises a piston assembly, an accessory seat, a sputum collecting bottle and a throat inlet hose, wherein the accessory seat is provided with a sputum aspirating pipe, blast pipe and breathing pipe, inhale still to be provided with communicating pipe between phlegm pipe and the breathing pipe, be provided with first check valve on communicating pipe and the blast pipe respectively, the second check valve, first check valve allows gaseous from a right side to left side to flow, is provided with the third check valve on communicating pipe and the breathing pipe below breathing pipe junction on the breathing pipe, and supreme flow is followed to gaseous follow down to second check valve and third check valve permission, the utility model discloses can utilize the air current that the piston pushback produced to realize inhaling the blowback of lower part in the phlegm pipe, the sputum of reserving in the phlegm pipe is inhaled in the clearance, avoids this part sputum to produce the backward flow in inhaling the phlegm pipe, guarantees the phlegm efficiency of inhaling in the piston assembly push-and-pull return stroke, makes and inhale the high-efficient quick going on of phlegm process, alleviates.

Description

Back-blowing type manual sputum aspirator

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to manual sputum aspirator of blowback formula.

Background

The condition that a patient can not expectorate by oneself and need artificial assistance to inhale phlegm exists in the clinical care process, the manual sputum aspirator is just a supplementary sputum aspirator apparatus commonly used, it is more nimble to use for electronic sputum aspirator, the patient transports, all can use the manual sputum aspirator under the condition such as the temporary bed of department corridor, current manual sputum aspirator mainly comprises piston assembly, the breathing pipe, the suction pipe, go into the larynx hose and the collection sputum flask, the negative pressure that produces through piston assembly sucks the deposit phlegm in patient's oral cavity and the throat, in order to prevent that the sputum that the suction pipe discharged into in the collection sputum flask splashes to the breathing pipe and then pollutes and blocks breathing pipe and piston assembly, so the tip of current suction pipe extends to the inboard middle part of collection sputum flask more and the tip of breathing pipe is close to the upper portion opening of collection sputum flask, make the tip interval of suction pipe and breathing pipe increase, thereby effectively avoid the sputum that splashes to get into the breathing pipe, however, the sputum suction tube extends into the sputum collection bottle to a longer length, which directly increases the length of the sputum suction tube, as is well known, sputum has certain viscosity, sputum is always remained in the sputum suction tube when the push-pull piston assembly sucks sputum, and the sputum suction tube slowly flows downwards, which is an important reason why a nursing staff can additionally suck saline to clean the sputum suction tube after the sputum suction is finished, so that the remaining sputum is increased due to the increase of the length of the sputum suction tube, the sputum in the sputum suction tube is gathered close to the middle lower part of the sputum suction tube under the action of gravity, airflow generated during the piston push-back process can be discharged to the sputum collection bottle through the air suction tube and then flows back into the sputum suction tube, the airflow blown into the sputum suction tube can drive the remaining sputum in the sputum suction tube to flow back, the sputum suction efficiency of the push-pull return stroke of the next piston is seriously influenced, the sputum can also flow back into the throat hose, and the sputum suction work is not easy to be efficiently and quickly carried out, because the patient has obvious discomfort and even pain when sucking the sputum, the discomfort and pain of the patient can be aggravated when the sputum suction work can not be performed quickly and efficiently.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a manual sputum aspirator of blowback formula, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a back-blowing manual sputum aspirator comprises a piston assembly, an accessory seat, a sputum collecting bottle and a throat inlet hose which are detachably arranged on the accessory seat, wherein the accessory seat is fixedly arranged on the piston assembly, a sputum suction pipe, an exhaust pipe and an air suction pipe are sequentially arranged on the accessory seat from left to right, two ends of the sputum suction pipe are respectively communicated with inner cavities of the throat inlet hose and the sputum collecting bottle, two ends of the exhaust pipe are respectively communicated with the outside atmosphere and the inner cavity of the sputum collecting bottle, two ends of the air suction pipe are respectively communicated with the inner cavities of the piston assembly and the sputum collecting bottle, a communication pipe is further arranged between the sputum suction pipe and the air suction pipe, a first check valve and a second check valve are respectively arranged on the communication pipe and the exhaust pipe, the first check valve allows gas to flow from right to left, and a third check valve is arranged on the air suction pipe below the connection part of the communication pipe and, the second check valve and the third check valve allow gas to flow from bottom to top.

Furthermore, the piston assembly comprises a handle with a piston cavity and a pull ring which is arranged in the handle in a sliding fit mode, the pull ring is fixedly provided with a pull rod, one end, far away from the pull ring, of the pull rod is fixedly provided with a piston matched with the piston cavity, and one end of the air suction pipe is communicated with the piston cavity on the left side of the piston.

Furthermore, an auxiliary return elastic element tending to make the pull ring close to the left side of the handle is arranged between the pull ring and the handle.

Furthermore, the auxiliary reset elastic element is two tension springs symmetrically arranged on the upper side and the lower side of the pull rod, and two ends of each tension spring are respectively connected with the left side of the inner ring of the handle and the left side of the outer ring of the pull ring

Furthermore, a fixing groove for the sputum collection bottle is formed in the accessory seat, and a bottle opening of the sputum collection bottle is connected in the fixing groove for the sputum collection bottle in an inserting mode or in a screwed mode.

Furthermore, one end of the sputum suction tube is provided with a plug, and one end of the throat hose is sleeved on the plug.

Furthermore, an outer pulling sputum suction head is arranged on the side wall of one end, far away from the accessory seat, of the throat hose, the cross section of the outer pulling sputum suction head is V-shaped, and a liquid inlet communicated with the inner cavity of the throat hose is formed in the outer pulling sputum suction head.

Furthermore, the height of the external pulling sputum suction head is 0.6-1cm, and the horizontal distance between the far end of the external pulling sputum suction head and the axis of the flexible throat pipe is 2.5-3.5 mm.

The utility model discloses following beneficial technological effect has:

the utility model discloses can utilize the air current that the back-push produced to realize inhaling the blowback of lower part in the phlegm pipe when piston assembly back-pushes, effectively clear up the sputum of inhaling the intraductal retention of phlegm, avoid this part sputum to produce the backward flow in inhaling the phlegm pipe, guaranteed strongly that the sputum efficiency of inhaling in the piston assembly push-and-pull return stroke, can make and inhale the high-efficient quick the going on of phlegm process, alleviate uncomfortable sense and the painful sense of patient, have very strong practicality.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a left side view of the external pulling sputum aspirator tip in the embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of the external pulling sputum aspirator in the embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the reverse blowing type manual sputum aspirator described in this embodiment includes a piston assembly 1, an accessory seat 2, and a sputum collection bottle 3 and a throat hose 4 detachably disposed on the accessory seat 2, specifically, the accessory seat 2 is provided with a sputum collection bottle fixing slot 5, a bottle mouth of the sputum collection bottle 3 is inserted into or screwed into the sputum collection bottle fixing slot 5, so as to facilitate the detachment of the sputum collection bottle 3, the accessory seat 2 is fixed or adhered to the piston assembly 1 by screws, and the accessory seat 2 is sequentially provided with a sputum suction tube 6, an exhaust tube 7 and an air suction tube 8 from left to right, two ends of the sputum suction tube 6 are respectively communicated with an inner cavity of the throat hose 4 and the sputum collection bottle 3, specifically, one end of the sputum suction tube 6 has a plug, one end of the throat hose 4 is sleeved on the plug, so as to facilitate the detachment of the throat hose 4, two ends of the exhaust tube 7 are respectively communicated with the external atmosphere and an inner cavity of the sputum, the lower extreme opening of preferred blast pipe 7 is located the top of 3 mouths of collection sputum flask, the both ends of breathing pipe 8 are linked together with piston assembly 1 and the inner chamber of collection sputum flask 3 respectively, it still is provided with communicating pipe 9 to inhale between sputum tube 6 and the breathing pipe 8, communicating pipe 9 is close to the mouth of collection sputum flask 3, guarantee to inhale the length of sputum tube 6 by the blowback part, be provided with first check valve 10 on communicating pipe 9 and the blast pipe 7 respectively, second check valve 11, first check valve 10 allows gaseous flow from the right side to the left side, be provided with third check valve 12 on the breathing pipe 8 of communicating pipe 9 and the 8 junction below of breathing pipe, supreme flow is followed to gaseous following to second check valve 11 and third check valve 12 permission.

The piston assembly 1 comprises a handle 14 with a piston cavity 13 and a pull ring 15 arranged in the handle 14 in a sliding fit manner, specifically, the upper side and the lower side of the pull ring 15 are respectively provided with a sliding block 16, a sliding groove 17 matched with the sliding block 16 is formed in the handle 14, a pull rod 18 is bonded on the pull ring 15, one end of the pull rod 18, far away from the pull ring 15, is bonded or fixedly sleeved with a piston 19 matched with the piston cavity 13, and one end of the air suction pipe 8 is communicated with the piston cavity 13 on the left side of the piston 19.

Still be provided with between pull ring 15 and the handle 14 and tend to make pull ring 15 be close to the left supplementary elastic element that resets 20 of handle 14, supplementary elastic element that resets 20 are two extension springs of symmetry setting in both sides about pull rod 18, preferred extension spring is line footpath 0.6mm, external diameter 8mm, total length 60 mm's 304 stainless steel extension spring, its elasticity is moderate, can not produce too big resistance to the pulling of pull ring 15 yet when effectively assisting pull ring 15 return, the both ends of extension spring are continuous with the inner circle left side of handle 14 and the outer lane left side of pull ring 15 respectively, specifically, have the link on the handle 14 and on the pull ring 15 respectively, the extension spring both ends have respectively with link matched with couple.

The side wall of one end of the throat hose 4 far away from the accessory seat 2 is provided with an external pulling sputum suction head 21, the external pulling sputum suction head 21 is integrally connected with the throat hose 4, the cross section of the external pulling sputum suction head 21 is V-shaped, the external pulling sputum suction head 21 is provided with a liquid inlet 22 communicated with the inner cavity of the throat hose 4, the height A of the external pulling sputum suction head 21 is 0.6-1cm, the horizontal distance B between the far end of the external pulling sputum suction head 21 and the axis of the throat hose 4 is 2.5-3.5mm, the external pulling sputum suction head 21 protrudes out of the side wall of the throat hose 4, the liquid inlet 22 is convenient to immerse in sputum, and discomfort of a patient can not be obviously aggravated due to limited size, the optimal slit width of the liquid inlet 22 is 1mm, the slit height is four fifths of the height of the external pulling sputum suction head 21, the arrangement of the external pulling sputum suction head 21 is more convenient for nursing personnel to align with the sputum and operate instruments to suck the sputum, because the structure of the existing hose is in a, the opening of the sputum aspirator is downward, the sputum of a patient can be attached to the wall of the throat, and the downward opening cannot be well immersed in the sputum, so that the sputum is not easy to be quickly sucked out, and the sputum aspirating efficiency is low.

The working principle of the embodiment is as follows:

ensuring that the pull ring 15 is kept at the leftmost position, taking the disposable throat hose 4 and the sputum collection bottle 3 to be respectively assembled on the accessory seat 2, ensuring that the sputum suction pipe 6 is inserted into the sputum collection bottle 3 from the upper opening of the sputum collection bottle 3, holding the throat hose 4 in one hand, holding the handle 14 in one hand and putting the pull ring 15 in the other hand, extending the far end of the throat hose 4 into the oral cavity and the throat of a patient, hooking the pull ring 15 by the four fingers, driving the piston 19 by the pull ring 15 through the pull rod 18, sucking the air in the sputum collection bottle 3 into the piston cavity 13 on the left side of the piston 19, generating negative pressure in the sputum collection bottle 3, allowing the throat and the sputum in the oral cavity of the patient to sequentially enter the throat hose 4 and the sputum suction pipe 6 through the outward pulling of the sputum suction head 21 and finally enter the sputum collection bottle 3, before returning to the pull ring 15, pinching the throat hose 4 by the fingers holding the throat hose 4 to close the throat hose 4 to return the throat hose 15, and reversely feeding the air in the piston cavity 13 into, because of the action of the third one-way valve 12, the air can not flow out from the lower opening of the air suction pipe 8 but enter the communicating pipe 9 and pass through the first one-way valve 10 to enter the sputum suction pipe 6, the sputum suction pipe 6 is connected with one side of the throat hose 4 and is not communicated, so the air blows downwards to drive the residual sputum collected at the middle lower part of the sputum suction pipe 6 to fall into the sputum collection bottle 3, the escaped air flows upwards to enter the exhaust pipe 7 and pass through the second one-way valve 11 to be discharged, when the pull ring 15 is pulled again, the fingers pinching the throat hose 4 are loosened firstly to ensure the smooth flow of the throat hose 4, due to the action of the first one-way valve 10, the second one-way valve 11 and the third one-way valve 12, the sputum is ensured to be sucked in the throat hose 4 and the sputum suction pipe 6 in sequence, the circular reciprocation is noticed that the volume of the sputum collection bottle 3 is remained and does not exceed the sputum collection bottle holding capacity allowed by the operation standard, after the sputum suction is completed, one end of the throat hose 4 with the externally pulled, sucking again, thoroughly cleaning the inner wall of the sputum suction pipe 6, taking down the throat hose 4 and the sputum collection bottle 3, and processing according to medical waste treatment rules;

above-mentioned in-process has effectively utilized the air current that piston 19 pushed back the production to realize inhaling the blowback of lower part in the phlegm pipe 6, and the sputum of effectively clearing up and inhaling the retention in the phlegm pipe 6 avoids this part sputum to produce the backward flow in inhaling the phlegm pipe 6, has guaranteed strongly that the sputum suction efficiency in the piston assembly 1 push-and-pull return stroke carries out fast, can make and inhale the high-efficient sense of phlegm process, alleviates patient's uncomfortable and painful sense.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A back-blowing type manual sputum aspirator is characterized by comprising a piston assembly, an accessory seat, a sputum collection bottle and a throat inlet hose which are detachably arranged on the accessory seat, wherein the accessory seat is fixedly arranged on the piston assembly, a sputum suction pipe, an exhaust pipe and an air suction pipe are sequentially arranged on the accessory seat from left to right, two ends of the sputum suction pipe are respectively communicated with the inner cavities of the throat inlet hose and the sputum collection bottle, two ends of the exhaust pipe are respectively communicated with the outside atmosphere and the inner cavity of the sputum collection bottle, two ends of the air suction pipe are respectively communicated with the inner cavities of the piston assembly and the sputum collection bottle, a communication pipe is further arranged between the sputum suction pipe and the air suction pipe, a first check valve and a second check valve are respectively arranged on the communication pipe and the exhaust pipe, the first check valve allows gas to flow from right to left, a third check valve is arranged on the air suction pipe below the connection part of the communication pipe and the, the second check valve and the third check valve allow gas to flow from bottom to top.

2. The reverse blowing type manual sputum aspirator of claim 1, wherein the piston assembly comprises a handle with a piston cavity and a pull ring slidably disposed in the handle, the pull ring is fixedly provided with a pull rod, one end of the pull rod, which is far away from the pull ring, is fixedly provided with a piston which is matched with the piston cavity, and one end of the air suction pipe is communicated with the piston cavity on the left side of the piston.

3. A reverse blowing manual sputum aspirator according to claim 2, wherein an auxiliary return resilient member is provided between the pull ring and the handle tending to move the pull ring closer to the left side of the handle.

4. The reverse blowing type manual sputum aspirator of claim 3, wherein the auxiliary return elastic element is two tension springs symmetrically arranged on the upper and lower sides of the pull rod, and the two ends of the tension spring are respectively connected with the left side of the inner ring of the handle and the left side of the outer ring of the pull rod.

5. The reverse blowing type manual sputum aspirator of claim 1, wherein the accessory seat is provided with a sputum collection bottle fixing groove, and a bottle opening of the sputum collection bottle is inserted into or screwed into the sputum collection bottle fixing groove.

6. A reverse blowing type manual sputum aspirator according to claim 1, wherein the sputum aspirator tube has a plug at one end, and the flexible throat tube has an end fitting over the plug.

7. The reverse blowing type manual sputum aspirator of claim 1, wherein the lateral wall of the end of the throat hose far away from the accessory seat is provided with an external pulling sputum aspirator, the cross section of the external pulling sputum aspirator is V-shaped, and the external pulling sputum aspirator is provided with a liquid inlet communicated with the inner cavity of the throat hose.

8. A back-flushing manual sputum aspirator of claim 7, wherein the height of the outer pulling suction head is 0.6-1cm and the horizontal distance between the distal end of the outer pulling suction head and the throat hose axis is 2.5-3.5 mm.