CN212914014U

CN212914014U - Rotary switch type medical closed sputum suction tube

Info

Publication number: CN212914014U
Application number: CN202020311188.2U
Authority: CN
Inventors: 李照森; 燕静; 余宾; 王坤; 王玉明
Original assignee: Henan Tuoren Beisite Medical Devices Co ltd
Current assignee: Henan Tuoren Beisite Medical Devices Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2021-04-09
Anticipated expiration: 2030-03-13

Abstract

The patent of the utility model relates to the technical field of medical equipment, a medical airtight phlegm pipe of inhaling of rotary switch formula is disclosed, include the cross-pipe body, inhale phlegm pipe and negative pressure control assembly, cross-pipe body kneck be connected with trachea cannula joint, breathing circuit joint, washing joint and inhale phlegm pipe joint respectively, inhale phlegm pipe one end with inhale phlegm pipe coupling joint, the other end with negative pressure control assembly connects, breathing circuit joint with still be equipped with the switch interface on wasing the cross-pipe body between the joint, be provided with in the switch interface and be used for control trachea cannula joint with inhale the rotary switch that phlegm pipe joint cuts off or communicate. The utility model discloses simple structure, be convenient for operation, safe and reliable not only can effectively prevent the emergence of flush fluid suck-back phenomenon, make the washing of sputum more high-efficient swift moreover, the medical personnel's that has significantly reduced work load.

Description

Rotary switch type medical closed sputum suction tube

Technical Field

The patent of the utility model relates to the technical field of medical equipment, especially a medical airtight phlegm pipe of inhaling of rotary switch formula.

Background

Sputum suction is a process with high repeatability and relatively complex operation, and a closed sputum suction tube is frequently used in respiratory system diseases, general anesthesia operations and emergency treatment and is used for carrying out sputum suction operation on patients with severe illness by matching with a breathing machine. However, in the daily sputum aspiration process, due to the difference of the illness state and the constitution of patients, the amount and the viscosity of the produced sputum are different, and in order to ensure the smooth sputum aspiration, the sputum aspiration tube needs to be injected or flushed at times; in the process of flushing, saline or other cleaning liquid flows back easily to be sucked into the trachea to enter the airway to influence the breathing of a patient, and even cause lung infection seriously; simultaneously to the patient that the sputum volume is more, because the stickness of sputum itself, when washing the suction catheter, be difficult for washing down the sputum, need wash for a long time, both caused the waste of resource, had increaseed medical personnel's work load again.

Therefore, how to provide a sealed sputum aspirator tube assembly with simple structure, convenient operation, safety and reliability is an important technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a rotary switch type medical airtight sputum suction tube which has simple structure, is convenient for the operation of medical personnel and is safe and reliable.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotary switch type medical airtight sputum suction tube comprises a four-way tube body, a sputum suction tube and a negative pressure control assembly, wherein a trachea cannula joint, a breathing loop joint, a cleaning joint and a sputum suction tube joint are connected to the interface of the four-way tube body respectively, one end of the sputum suction tube is connected with the sputum suction tube joint, the other end of the sputum suction tube is connected with the negative pressure control assembly, a switch interface is further arranged on the four-way tube body between the breathing loop joint and the cleaning joint, and a rotary switch used for controlling the partition or communication of the trachea cannula joint and the sputum suction tube joint is arranged in the switch interface.

Specifically, the trachea cannula joint, the breathing loop joint and the sputum suction pipe joint are arranged in a T-shaped structure, and the cleaning joint is vertically arranged on the four-way pipe body.

Specifically, the rotary switch comprises a cock and a knob, the cock is inserted into the switch interface and is rotatably connected with the switch interface, a through hole is radially arranged on the side wall of the cock in a penetrating manner, the sputum suction tube can penetrate through the through hole, and the knob is arranged at the end part of the cock far away from the switch interface.

Specifically, the end part of the cock inserted into the switch interface is provided with a limiting groove, the inner wall of the switch interface is provided with a bulge matched with the limiting groove, and the limiting groove is arc-shaped.

Specifically, inhale phlegm coupling department and still be provided with annular filtrating gasket, annular filtrating gasket embedded in inhale in the inner chamber of phlegm coupling, the filtrating gasket be the silica gel material.

Specifically, negative pressure control assembly includes negative pressure control handle and handle joint, negative pressure control handle one end is passed through the handle joint with inhale the phlegm union coupling, it has still wrapped up the sheath to inhale the phlegm outside of tubes, the handle joint with inhale phlegm union coupling department and be provided with the clamp, the negative pressure control handle other end is connected with the suction machine and connects, the suction machine connects and keeps away from negative pressure control handle's one end is provided with the helmet, still hang the joint separator on the helmet.

Compared with the prior art, the rotary switch type medical closed sputum aspirator provided by the utility model has the advantages that the rotary switch for controlling the partition or communication between the tracheal intubation joint and the sputum aspirator joint is arranged on the four-way pipe body, and when the medical closed sputum aspirator is used, the rotary switch is kept in a normally closed state under the condition of no operation, so that the sealing performance is good; when needs inhale the phlegm pipe operation, operating personnel only need with rotary switch anticlockwise rotation 90 degrees, radially run through on the cock lateral wall and be provided with the through-hole, it is switched on to inhale the phlegm passageway, it passes the through-hole and inhales the phlegm operation to inhale the phlegm pipe, wait to inhale the phlegm work and accomplish the back, operating personnel will inhale the phlegm pipe pull-back, press the clockwise rotation 90 degrees with rotary switch, can realize resetting sealedly, thereby accomplish switching operation once, pull down to the assigned position after inhaling the phlegm pipe, open and wash the joint, wash inhaling the phlegm pipe, the design is simple structure not only, it is convenient fast with the switching of the flash state to inhale phlegm pipe normal close, and can effectively prevent the emergence of suck-back phenomenon, it is simple and convenient high-efficient to inhale phlegm and follow-up flushing operation process, it inhales phlegm and its relevant clinical medical treatment operating efficiency to have improved. In addition, in the process of pulling down the suction catheter, the annular filtrate gasket arranged at the joint of the suction catheter can scrape the sputum on the outer wall of the suction catheter, so that the suction catheter is more convenient and thorough to clean, the workload of medical operators is further reduced, and the efficiency of suction and subsequent flushing is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a rotary switch type medical closed sputum aspirator structure provided by the utility model;

fig. 2 is a schematic view of an assembly structure of the four-way pipe body and the rotary switch provided by the present invention;

fig. 3 is a schematic cross-sectional structural view of the four-way pipe body and the rotary switch provided by the present invention;

fig. 4 is a schematic view of an assembly structure of the rotary switch provided by the present invention;

fig. 5 is a schematic structural view of the rotary switch knob provided by the present invention.

In the figure, 1 is a four-way pipe body, 2 is a sputum suction pipe, 3 is a trachea cannula joint, 4 is a breathing loop joint, 5 is a cleaning joint, 6 is a sputum suction pipe joint, 7 is a sheath, 8 is a switch interface, 9 is a rotary switch, 10 is a sealing ring, 11 is a cock, 12 is a knob, 13 is a through hole, 14 is a limiting groove, 15 is a bulge, 16 is a locking ring, 17 is a clamping groove, 18 is an annular sealing ring and 19 is a slotted hole, 20 is a column, 21 is a square sealing gasket, 22 is a first triangle mark, 23 is a second triangle mark, 24 is a positioning block, 25 is a positioning groove, 26 is a convex block, 27 is an indication mark, 28 is a filtrate gasket, 29 is a round hole, 30 is a fixed base, 31 is a sealing gasket, 32 is a first clamp, 33 is a negative pressure control handle, 34 is a handle joint, 35 is a second clamp, 36 is a suction machine joint, 37 is a protective cap, and 38 is a joint separator.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to fig. 1 to 5 and specific embodiments. The embodiments shown below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

As shown in fig. 1-5, a rotary switch type medical closed sputum suction tube comprises a four-way tube body 1, a sputum suction tube 2 and a negative pressure control assembly, wherein a trachea cannula joint 3, a breathing loop joint 4, a cleaning joint 5 and a sputum suction tube joint 6 are respectively connected to the joint of the four-way tube body 1, one end of the sputum suction tube 2 is connected with the sputum suction tube joint 6, the other end of the sputum suction tube is connected with the negative pressure control assembly, a sheath 7 is further wrapped outside the sputum suction tube 2, a switch joint 8 is further arranged on the four-way tube body 1 between the breathing loop joint 4 and the cleaning joint 5, and a rotary switch 9 for controlling the partition or communication between the trachea cannula joint 3 and the sputum suction tube joint 6 is arranged in the switch joint 8.

Further, the utility model discloses in one of them embodiment, trachea cannula connects 3, breathing circuit connects 4 and inhales phlegm pipe joint 6 and is the setting of T style of calligraphy structure, and it is more convenient to operate, trachea cannula connects 3 and breathing circuit connect 4 with the junction of cross body 1 still is embedded respectively to have a sealing washer 10 to more be favorable to improving its sealing performance, sealing washer 10 is the silicon rubber material, it sets up perpendicularly to wash connects 5 on the cross body 1, it is connected with the flushing assembly to wash connects 5.

Further, in one embodiment of the present invention, the rotary switch 9 includes a cock 11 and a knob 12, the cock 11 is a cylinder structure with one end open and the other end closed, the knob 12 is installed at the end of the open end of the cock 11, the closed end of the cock 11 is inserted into the switch interface 8 and is rotatably connected to the switch interface 8, a through hole 13 is radially arranged on the side wall of the cock 11 in a penetrating manner, and the size of the through hole 13 matches with the sputum suction tube 2; the end part of the closed end of the cock 11 is provided with a limit groove 14, the inner wall of the switch interface 8 is correspondingly provided with a bulge 15 matched with the limit groove 14, is used for rotationally positioning the rotary switch 9, the rotary switch 9 is kept in a normally closed state under the normal non-operation state, the sealing performance is good, when the sputum suction operation is needed, the cock 11 is rotated to enable the through hole 13 to be coaxial with the sputum suction pipe 2, the rotary switch 9 is opened, the sputum suction tube 2 passes through the through hole 13 to perform sputum suction operation, after the sputum suction operation is finished, the operator pulls back the sputum suction tube 2, rotates the cock 11 again to realize the reset closing of the rotary switch 9, then opens the cleaning joint, the sputum suction tube 2 is cleaned, so that the phenomenon of back suction is effectively prevented, and the sputum suction tube is safer and more reliable.

Furthermore, in one embodiment of the present invention, the limiting groove 14 is arc-shaped, and the arc length of the limiting groove 14 is one fourth of the circumference of the cock 11, so that the cock 11 can be rapidly turned 90 ° clockwise or counterclockwise for one-time opening and closing operation of the rotary switch 8, which is more simple and convenient to operate.

Further, the utility model discloses in one of them embodiment, it is equipped with locking ring 16 still to overlap on the cock 11, locking ring 16 bonds switch interface 8 inner wall, locking ring 16 with still be equipped with draw-in groove 17 on the cock 11 lateral wall between the through-hole 13, install in the draw-in groove 17 with locking ring 16 seals complex ring 18, and the design makes like this cock 11 is in rotation in the switch interface 8 is more stable, does not influence its rotation promptly, has effectively prevented again that it from inhaling the phlegm in-process in the clinic and following drop in the switch interface 8, and is safe and reliable more, and ring 18 can effectively prevent that washing liquid from outflowing, causes unnecessary injury and influence to medical personnel.

Further, in one of them preferred embodiment of the utility model, under the rotary switch 9 closure state, the four-way pipe body 1 corresponds still be provided with slotted hole 19 on the 11 lateral walls of cock, be provided with square sealed pad 21 in the slotted hole 19, the area of square sealed pad 21 is greater than the cross-sectional area of four-way pipe body 1 to form interference fit, play sealed effect, more can guarantee to inhale phlegm work and accomplish the back, it is closed rotary switch 9, right when inhaling phlegm pipe 2 and wasing, the flush fluid can not flow backwards and is inhaled to the intratracheal entering air flue and influence patient and breathe, square sealed pad 21 adopts the silicon rubber material.

Furthermore, in one embodiment of the present invention, a column 20 is further disposed in the slot 19, a clamping groove matched with the column 20 is disposed on the bottom surface of the square sealing gasket 21, the square sealing gasket 21 is fastened on the column 20, so that the rotary switch 9 is rotated, the column 20 can provide a supporting force for the square sealing gasket 21, and the square sealing gasket 21 is not deformed when the rotation is ensured.

Further, the utility model discloses in one of them embodiment, knob 12 with cock 11 adopts sticky mode to connect, be provided with two sets of first triangle signs 22 along radial symmetry on the circumference of knob 12 lateral wall, be provided with on switch interface 8's the lateral wall with two sets of second triangle signs 23 that first triangle sign 22 corresponds each other, knob 12's inside wall is provided with locating piece 24, the inside wall of cock 11 open end is provided with rather than complex constant head tank 25, is in under the open mode like this when rotary switch, first triangle sign 22 with second triangle sign 23 is corresponding, more does benefit to medical personnel and judges rotary switch 9's on-off state.

Further, the utility model discloses in one of them embodiment, radially still the symmetry is provided with two sets of lugs 26 on the knob 12 lateral wall circumference, the application of force when being convenient for rotate, two sets of lugs 26 the line with two sets of first triangle sign 22's line is perpendicular, the surface of knob 12 can also be printed and have indicator 27 to make things convenient for medical personnel's operation more.

Further, the utility model discloses in one of them embodiment, sputum aspirator pipe joint 6 department still is provided with annular filtrating gasket 28, annular filtrating gasket 28 embedded in the inner chamber of sputum aspirator pipe joint 6 department, the size of annular filtrating gasket 28 slightly is less than inhale the size of phlegm pipe 2, annular filtrating gasket 28 be the silica gel material, because the elasticity of silica gel self, design like this neither influences phlegm pipe 2 and passes, makes things convenient for again in the daily sputum aspiration operation to glue thick or the patient that the sputum volume is big uses, inhales phlegm pipe 2 and pull down the in-process, annular filtrating gasket 28 can be scraped the sputum on the outer wall of sputum aspirator pipe 2, not only makes the washing of sputum convenient and fast more, and the effect is better, has shortened the scavenging period moreover greatly, has reduced medical personnel's work load.

Further, in one embodiment of the present invention, a fixing base 30 having a round hole 29 in the middle is disposed under the annular filtrate gasket 28, the round hole 29 is matched with the size of the sputum suction tube 2, so that the sputum suction tube 2 can pass through smoothly, an annular sealing gasket 31 is further disposed under the fixing base 30, the annular sealing gasket 31 is connected with the sputum suction tube joint 6 through a first clamp 32.

Further, in each of the above embodiments, the negative pressure control assembly includes a negative pressure control handle 33 and a handle joint 34, one end of the negative pressure control handle 33 is connected to the sputum suction tube 2 through the handle joint 34, a second clamp 35 is disposed at a joint of the handle joint 34 and the sputum suction tube 2, the other end of the negative pressure control handle 33 is connected to a suction machine joint 36, a protective cap 37 is disposed at one end of the suction machine joint 36, which is far away from the negative pressure control handle 33, and a joint separator 38 is suspended on the protective cap 37.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rotary switch type medical closed sputum suction tube is characterized in that: including cross-pipe body (1), inhale phlegm pipe (2) and negative pressure control assembly, cross-pipe body (1) kneck be connected with trachea cannula joint (3), breathing return circuit joint (4), wash joint (5) and inhale phlegm pipe joint (6) respectively, inhale phlegm pipe (2) one end with inhale phlegm pipe joint (6) and connect, the other end with negative pressure control assembly connects, breathe return circuit joint (4) with still be equipped with switch interface (8) on cross-pipe body (1) between washing joint (5), be provided with in switch interface (8) and be used for control trachea cannula joint (3) with inhale rotary switch (9) that phlegm pipe joint (6) cut off or communicate.

2. The rotary switch type medical closed sputum aspirator of claim 1, wherein: the trachea cannula joint (3), the breathing loop joint (4) and the sputum suction pipe joint (6) are arranged in a T-shaped structure, and the cleaning joint (5) is vertically arranged on the four-way pipe body (1).

3. The rotary switch type medical closed sputum aspirator of claim 1, wherein: the rotary switch (9) comprises a cock (11) and a knob (12), the cock (11) is inserted into the switch interface (8) and is rotatably connected with the switch interface (8), a through hole (13) radially penetrates through the side wall of the cock (11), the sputum suction tube (2) can penetrate through the through hole (13), and the knob (12) is installed at the end part, far away from the switch interface (8), of the cock (11).

4. The rotary switch type medical closed sputum aspirator of claim 3, wherein: the end part of the cock (11) inserted into the switch interface (8) is provided with a limiting groove (14), the inner wall of the switch interface (8) is provided with a bulge (15) matched with the limiting groove (14), and the limiting groove (14) is arc-shaped.

5. The rotary switch type medical closed sputum aspirator of claim 4, wherein: the plug is characterized in that a locking ring (16) is further sleeved on the plug (11), the locking ring (16) is bonded on the inner wall of the switch interface (8), a clamping groove (17) is further formed in the side wall of the plug (11) between the locking ring (16) and the through hole (13), and an annular sealing ring (18) in sealing fit with the locking ring (16) is mounted in the clamping groove (17).

6. The rotary switch type medical closed sputum aspirator of claim 5, wherein: under the closed state of the rotary switch (9), a square sealing gasket (21) is further arranged on the side wall of the cock (11) corresponding to the four-way pipe body (1), and the area of the square sealing gasket (21) is larger than the sectional area of the four-way pipe body (1).

7. The rotary switch type medical closed sputum aspirator of claim 3, wherein: the rotary knob (12) is connected with the cock (11) in an adhesive manner, two sets of first triangular marks (22) are symmetrically arranged on the circumference of the outer side wall of the rotary knob (12) along the radial direction, two sets of second triangular marks (23) corresponding to the first triangular marks (22) are arranged on the outer side wall of the switch interface (8), a positioning block (24) is arranged on the inner side wall of the rotary knob (12), and a positioning groove (25) matched with the inner side wall of the opening end of the cock (11) is formed in the inner side wall of the opening end of the cock.

8. The rotary switch type medical closed sputum aspirator of claim 7, wherein: two groups of convex blocks (26) are further symmetrically arranged on the circumference of the outer side wall of the knob (12) along the radial direction, the connecting line of the two groups of convex blocks (26) is perpendicular to the connecting line of the two groups of first triangular marks (22), and an indicating mark (27) is further printed on the surface of the knob (12).

9. The rotary switch type medical closed sputum aspirator of claim 1, wherein: inhale phlegm pipe joint (6) department and still be provided with annular filtrating gasket (28), annular filtrating gasket (28) embedded in inhale in the inner chamber of phlegm pipe joint (6) department, still be provided with fixed baseplate (30) that the centre has round hole (29) under annular filtrating gasket (28), round hole (29) with inhale phlegm pipe (2) size phase-match, still be provided with annular seal gasket (31) under fixed baseplate (30), annular seal gasket (31) through first clamp (32) with inhale phlegm pipe joint (6) and connect.

10. The rotary switch type medical closed sputum aspirator of claim 1, wherein: negative pressure control assembly includes negative pressure brake valve lever (33) and handle joint (34), negative pressure brake valve lever (33) one end is passed through handle joint (34) with inhale phlegm pipe (2) and connect, it has sheath (7) still to wrap up in phlegm pipe (2) outside to inhale, handle joint (34) with it is provided with second clamp (35) to inhale phlegm pipe (2) junction, negative pressure brake valve lever (33) other end is connected with suction machine and connects (36), suction machine connects (36) and keeps away from the one end of negative pressure brake valve lever (33) is provided with helmet (37), still hang joint separator (38) on helmet (37).