CN213100229U

CN213100229U - Sealed type respiration extension tube

Info

Publication number: CN213100229U
Application number: CN202021223758.9U
Authority: CN
Inventors: 东华伟; 张旭; 裴春林
Original assignee: Zhejiang Haisheng Medical Device Co ltd
Current assignee: Zhejiang Haisheng Medical Equipment Co.,Ltd.
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-05-04
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an extension pipe is breathed to canned type belongs to the medical instrument field for mechanical breathing return circuit of ventilating. Including patient end connector, patient end connector goes up the registrate has three way connection, the registrate has pipe joint, its characterized in that on three way connection's the collateral branch interface: the three-way connector is characterized in that a limiting block is arranged on the outer wall of the upper end main connector of the three-way connector, the upper end main connector of the three-way connector is fixedly clamped with a plugging cap, and a silica gel sheet is arranged between the upper end main connector of the three-way connector and the plugging cap.

Description

Sealed type respiration extension tube

Technical Field

The utility model belongs to the field of medical equipment for mechanical ventilation's breathing circuit, concretely relates to extension pipe is breathed to canned type.

Background

Mechanical ventilation is an important treatment measure for treating critical patients by an ICU, and the most important key of mechanically ventilated patients is to keep the respiratory tract unobstructed, so that sputum suction is an important nursing measure for mechanically ventilated patients. When using mechanical ventilation's patient to inhale phlegm in the past, at first open the soft blanking cap lid stopper on the extension coupling, insert and inhale the phlegm pipe and inhale the phlegm, the joint cap designs with TPE soft materials usually, direct cover does not have location structure on three way connection, blanking cap can the left and right sides rotation, inhale when inserting phlegm pipe and inhale the phlegm pipe gapped air flue that leads to between phlegm pipe and the three way connection and can leak gas the pressure release, the pressure leakage of whole respiratory track leads to respiratory track pipeline pressure unstable breathing machine warning even, the treatment of patient mechanical ventilation can be interrupted, very easily when extracting the intubate simultaneously whole the whole blanking cap of whole blanking cap, influence patient's treatment.

The three-way joint is directly sleeved in the connector from the upper side, so that when medical staff opens the plugging cap cover plug to perform intubation, the opening position of the plugging cap cover plug is sometimes on the left side and sometimes on the right side, and the sight and intubation operation of the medical staff are greatly influenced. The intubate operation is very inconvenient, and when the blanking cap rotated different angles in addition, the gas leakage of extension pipe was also different, can't ensure the pressure stability of patient's respiratory track, influences patient's treatment.

In addition, when the patient carries out mechanical ventilation, probably carry out other not unidimensional intubate inspections, extension coupling before all is the structural design of a through-hole, and sealed when unable realization intubate during the intubate of not unidimensional, gas leakage during the intubate operation causes patient's cross infection easily, causes patient's respiratory airway's pressure drop simultaneously, influences patient's treatment.

In order to solve the prior art, the problem that the air tightness is not good, the fixed not jail scheduling of end-capped cap when using the extension pipe, the utility model discloses hope provides a canned type breathing circuit extension pipe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extension pipe is breathed to canned type to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides an extension pipe is breathed to canned type, includes patient end joint, patient end joint goes up the registrate has three way connection, the registrate has the pipe joint on three way connection's the collateral branch interface, be equipped with the stopper on three way connection's the upper end main interface, three way connection's the fixed joint of upper end main interface has the blanking cap, be equipped with the silica gel thin slice between three way connection's upper end main interface and the blanking cap.

The outer wall of the main lower end interface of the three-way joint is provided with two first annular bulges, the distance between the first annular bulges is equal to the height of the upper interface of the patient end joint, and the outer diameter of the main lower end interface of the three-way joint is equal to the inner diameter of the upper interface of the patient end joint. Through the two first annular bulges on the outer wall of the main interface at the lower end of the three-way joint and the upper interface of the patient end connector, the three-way joint and the patient end connector can be clamped, and the flexible rotation between the three-way joint and the patient end connector can be ensured.

A first annular groove is formed in the outer wall of the main connector at the lower end of the three-way connector, and a second annular groove is formed in the inner wall of the upper connector of the patient end connector; after three way connection and patient end connector joint, first annular groove with the closed first ring cavity that forms of second annular groove, be equipped with first circular seal circle in the ring cavity. The first circular sealing ring ensures that the air tightness of the joint is ensured when the three-way joint and the patient end joint flexibly rotate.

The patient end connector is provided with an independent inner wall and an independent outer wall, and annular grooves are formed in the inner wall and the outer wall. The outer wall of the patient joint is an ISO standard 22mm outer conical joint which can be matched with all ISO standard 22mm inner conical joints or respirators, and the inner wall of the patient joint is an ISO standard 15mm inner conical joint which can be matched with all ISO standard 15mm outer conical joints or respirators. Therefore, the patient end connector can be matched with an adult (22 mm standard conical connector) and a child (22 mm standard conical connector) for use, so that the patient end connector is greatly convenient for patients and medical care personnel to use, the cross infection caused by repeated disassembly of medical equipment is reduced, and the treatment cost is reduced.

Two second annular bulges are arranged on the outer wall of the side branch interface of the three-way joint, and a third annular bulge is arranged on the pipeline joint; the distance between the two second annular bulges is equal to the width of the third annular bulge; the inner diameter of the third annular bulge is equal to the inner diameter of a side branch port of the three-way joint. Through the annular arch of twice second on three way connection's the collateral branch interface outer wall and the annular arch of third on the pipe joint, can realize three way connection and pipe joint's joint, can guarantee the nimble rotation between the two simultaneously.

A third annular groove is formed in the outer wall of the side branch connector of the three-way connector, and a fourth annular groove is formed in the inner wall of the pipeline connector; after three way connection and pipeline joint, third annular groove and fourth annular groove are closed and form the annular cavity of second, be equipped with the circular sealing washer of second in the annular cavity of second. The second circular sealing ring ensures that the air tightness of the joint is ensured when the three-way joint and the pipeline joint flexibly rotate.

The end-plugging cap comprises a cap body, and a cap cover is connected to the cap body; the top of the cap body is provided with a through hole, and the diameter of the through hole is 8-10 mm; and the cap is provided with a cover plug corresponding to the diameter of the through hole. The cap cover and the cap body are made of a Pleated Gum PP material, and the cover plug on the cap cover is plugged into the through hole on the cap body to realize the sealing of the inside of the device; the diameter of the through hole is 8-10mm, and the device can be suitable for an operating pipe with the diameter of 7.6mm or less.

The diameter of silica gel thin slice equals the cap body internal diameter of end cap, be equipped with the perforation on the silica gel thin slice. Through the perforation, insert the control tube, because the elastic material of silica gel thin slice, stable respirator is to pressure when guaranteeing the intubate during can realizing the intubate.

The edge of the through hole is provided with an inward annular bulge, and correspondingly, the silica gel sheet is provided with a fifth annular groove. The inward annular bulge of through-hole edge cooperates with fifth annular groove, and fixed silica gel thin slice position prevents that displacement from appearing at intubate in-process silica gel thin slice, can guarantee the gas tightness of end-stop cap and three way connection junction simultaneously.

The diameter of the through hole is larger than or equal to the inner diameter of the upper end main connector of the three-way connector. The diameter through hole is slightly larger than the upper end holding interface of the three-way joint, so that the inward annular bulge on the edge of the through hole is superposed with the main interface wall at the upper end of the three-way joint, and a sandwich fixing effect is realized on the silica gel sheet.

Drawings

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the device of FIG. 1 in use;

FIG. 3 is a first cross-sectional view of the device of FIG. 1;

FIG. 4 is a second cross-sectional view of the device of FIG. 1;

in the figure: 1. a plugging cap; 2. a three-way joint; 3. a patient end fitting; 4. a lower end main interface; 5. a first annular projection; 6. an upper interface; 7. a first annular groove; 8. a second annular groove; 9. a first circular seal ring; 10. a side branch interface; 11. a second annular projection; 12. a pipe joint; 13. a third annular projection; 14. a third annular groove; 15. a fourth annular groove; 16. a second circular seal ring; 17. an upper end main interface; 18. a cap body; 19. a cap; 20. a through hole; 21. covering and plugging; 22. a silica gel sheet; 23. perforating; 24. an annular projection; 25. a fifth annular groove; 26. an annular groove; 27. inserting a tube; 28. and a limiting block.

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. 1-3, the present invention provides a sealed type breathing extension tube, which comprises:

a sealed type breathing circuit extension tube comprises a plugging cap 1, a three-way joint 2 and a patient end joint 3. Be equipped with the first cyclic annular arch 5 of twice on the lower extreme main interface 4 outer wall of three way connection 2, twice first cyclic annular arch 5 between the distance and patient end connector 3's the last interface 6 height equals, and three way connection 2's the 4 external diameters of lower extreme main interface and patient end connector 3's the last interface 6 internal diameters equal, through the last interface 6 of the first cyclic annular arch 5 of twice on the lower extreme main interface 4 outer wall of three way connection 2 and patient end connector 3, can realize three way connection 2 and patient end connector 3's joint, can guarantee the nimble rotation between the two simultaneously. In order to ensure that the three-way joint 2 and the patient end joint 3 ensure the air tightness of the joint when flexibly rotating, a first annular groove 7 is arranged on the outer wall of a main interface 4 at the lower end of the three-way joint 2, and a second annular groove 8 is arranged on the inner wall of an upper interface 6 of the patient end joint 3; after the three-way connector 2 is connected with the patient end connector 3 in a clamped mode, the first annular groove 7 and the second annular groove 8 are closed to form a first annular cavity, and a first circular sealing ring 9 is arranged in the annular cavity. Two second annular bulges 11 are arranged on the outer wall of the side branch interface 10 of the three-way joint 2, and a third annular bulge 13 is arranged on the pipeline joint 12; the distance between the two second annular protrusions 11 is equal to the width of the third annular protrusion 13, and the inner diameter of the third annular protrusion 13 is equal to the inner diameter of the side branch port 10 of the three-way joint 2. The clamping connection between the three-way joint 2 and the pipeline joint 12 can be realized, and the flexible rotation between the two can be ensured. In order to ensure that the three-way joint 2 and the pipeline joint 12 ensure the air tightness of the joint when flexibly rotating, a third annular groove 14 is arranged on the outer wall of the side branch interface 10 of the three-way joint 2, and a fourth annular groove 15 is arranged on the inner wall of the pipeline joint 12; after the three-way connector 2 and the pipeline connector 12 are clamped, the third annular groove 14 and the fourth annular groove 15 are closed to form a second annular cavity, and a second circular sealing ring 16 is arranged in the second annular cavity. The outer wall of the main interface 17 at the upper end of the three-way joint 2 is provided with a limiting block, the main interface 17 at the upper end of the three-way joint is fixedly clamped with a plugging cap 1, the plugging cap 1 comprises a cap body 18, and the cap body 18 is connected with a cap cover 19; the top of the cap body 18 is provided with a through hole 20, and the diameter of the through hole 20 is 9 mm; the cap 19 is provided with a cap plug 21 corresponding to the diameter of the through hole 20. A silica gel sheet 22 is arranged between the upper end main connector 17 of the three-way connector 2 and the plugging cap 1, the diameter of the silica gel sheet 22 is equal to the inner diameter of the cap body 18 of the plugging cap 1, and a perforation 23 is arranged on the silica gel sheet 22. The edge of the through hole 20 is provided with an inward annular protrusion 24, and correspondingly, the silicone sheet 22 is provided with a fifth annular groove 25. The diameter of the through hole 20 is larger than or equal to the inner diameter of the main interface 17 at the upper end of the three-way joint 2. The patient end fitting 3 is provided with an independent inner wall and an independent outer wall, within which are provided annular grooves 26.

The utility model discloses a theory of operation and use flow: the utility model discloses on the canned type breathes the extension tube mainly used respiratory circuit, have convenient operation, can match the different diameter specification control tubes of 2-7.6mm simultaneously, can play the effect of sealed stable respiratory airway pressure when operating intubate 27 moreover. When the medical staff does not insert the tube 27, the cap 19 of the plugging cap 1 is fixed on the cap body 18 through the cover plug 21 and the through hole 20, so as to play the roles of sealing and dust prevention; when the inserting tube 27 is operated, the cap 19 is taken off from the cap body 18, the center of the through hole 20 is seen to be provided with the silica gel sheet 22 from the right upper side, the center of the silica gel sheet 22 is provided with a through hole 23 with the diameter of 2mm, the inserting tube 27 with the diameter of 5mm is taken to be inserted into the through hole 23, and the silica gel sheet 22 is made of elastic materials, so that the silica gel sheet 22 can be ensured to be sealed and wrapped on the surface of the inserting tube 27 when the inserting tube 27 is inserted into the through hole 23. Cannula 27 enters the patient's cannula site through tee fitting 2 and patient end fitting 3. Meanwhile, due to the elastic deformation structure at the bottom of the silica gel sheet 22, after the insertion tube 27 is pulled out, the silica gel sheet 22 is restored to the original position, so that the next insertion tube is convenient.

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. The utility model provides an extension pipe is breathed to canned type, includes patient end connector, patient end connector goes up the registrate has three way connection, the registrate has pipe joint, its characterized in that on three way connection's the collateral branch interface: the three-way connector is characterized in that a limiting block is arranged on the outer wall of the upper end main connector of the three-way connector, the upper end main connector of the three-way connector is fixedly clamped with a plugging cap, and a silica gel sheet is arranged between the upper end main connector of the three-way connector and the plugging cap.

2. The sealed breathing extension tube of claim 1, wherein: the outer wall of the main lower end interface of the three-way joint is provided with two first annular bulges, the distance between the first annular bulges is equal to the height of the upper interface of the patient end joint, and the outer diameter of the main lower end interface of the three-way joint is equal to the inner diameter of the upper interface of the patient end joint.

3. The sealed breathing extension tube of claim 2, wherein: the outer wall of the main connector at the lower end of the three-way connector is provided with a first annular groove, the inner wall of the upper connector of the patient end connector is provided with a second annular groove, the first annular groove and the second annular groove are closed to form a first annular cavity, and a first circular sealing ring is arranged in the annular cavity.

4. The sealed breathing extension tube of claim 1, wherein: the patient end connector is provided with an independent inner wall and an independent outer wall, and annular grooves are formed in the inner wall and the outer wall.

5. The sealed breathing extension tube of claim 1, wherein: two second annular bulges are arranged on the outer wall of the side branch interface of the three-way joint, and a third annular bulge is arranged on the pipeline joint; the distance between the two second annular bulges is equal to the width of the third annular bulge; the inner diameter of the third annular bulge is equal to the inner diameter of a side branch port of the three-way joint.

6. The sealed breathing extension tube of claim 5, wherein: the three-way joint is characterized in that a third annular groove is formed in the outer wall of the side branch connector of the three-way joint, a fourth annular groove is formed in the inner wall of the pipeline joint, the third annular groove and the fourth annular groove are closed to form a second annular cavity, and a second circular sealing ring is arranged in the second annular cavity.

7. The sealed breathing extension tube of claim 1, wherein: the end-plugging cap comprises a cap body, and a cap cover is connected to the cap body; the top of the cap body is provided with a through hole, and the diameter of the through hole is 8-10 mm; and the cap is provided with a cover plug corresponding to the diameter of the through hole.

8. The sealed breathing extension tube of claim 7, wherein: the diameter of silica gel thin slice equals the cap body internal diameter of end cap, be equipped with the perforation on the silica gel thin slice.

9. The sealed breathing extension tube of claim 8, wherein: the edge of the through hole is provided with an inward annular bulge, and correspondingly, the silica gel sheet is provided with a fifth annular groove.

10. The sealed breathing extension tube of claim 7, wherein: the diameter of the through hole is larger than or equal to the inner diameter of the upper end main connector of the three-way connector.