Multifunctional oxygen catheter

Abstract

The utility model discloses a multifunctional oxygen catheter which comprises a three-way valve and a nasopharynx tube, one end of the nasopharynx tube is connected with the three-way valve, an oxygen conveying hose, a negative pressure suction tube and a connecting assembly are arranged outside the three-way valve, and the oxygen conveying hose and the negative pressure suction tube are connected with the three-way valve through the connecting assembly. The connecting assembly comprises a connecting sleeve, a fixing pipe and a locking assembly, the fixing pipe is connected to the end of the three-way valve, the fixing pipe is sleeved with the connecting sleeve in a sliding mode, the locking assembly is arranged at the top between the connecting sleeve and the three-way valve, and the locking assembly is used for clamping and locking the connecting sleeve and the fixing pipe. According to the novel nasopharynx oxygen catheter, the three-way valve, the nasopharynx tube, the oxygen conveying hose, the negative pressure suction tube and the connecting assembly are used in a matched mode, under the action of the locking assembly, the connecting sleeve and the fixing tube can be kept in a stable connection state, and locking of the locking assembly on the connecting sleeve is relieved; and the oxygen conveying hose and the negative pressure suction tube which are connected with the three-way valve can be directly detached.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oxygen delivery pipe, especially a multifunctional oxygen delivery pipe. BACKGROUND

[0002] The main purpose of patient oxygen delivery is to improve arterial oxygen partial pressure, improve the oxygen supply of human body, reduce the respiratory and circulatory burden increased due to compensatory hypoxia, and the causes of hypoxia caused by different diseases are different, and the oxygen delivery effect is also different. For patients with oxygen absorption disorder or insufficient ventilation caused by lung tissue lesions affecting ventilation function, the oxygen delivery effect is remarkable.

[0003] When oxygen is delivered to a critical patient, a nasopharyngeal tube made of silica gel is usually inserted into the patient's nasal cavity or oral cavity, and then an oxygen delivery device supplies oxygen to the nasopharyngeal tube through an oxygen delivery tube, thereby delivering oxygen to the patient.

[0004] And in order to improve the diversity of the function of the nasopharyngeal tube, a three-way valve is installed between the nasopharyngeal tube and the oxygen delivery tube, and the negative pressure suction pipe is connected through the three-way valve, so that the nasopharyngeal tube can be used for negative pressure drainage, but when the nasopharyngeal tube, the three-way valve, the oxygen delivery tube and the negative pressure drainage pipe are used together, the connection mode of the oxygen delivery tube and the negative pressure drainage pipe with the three-way valve is usually threaded connection, so that the patient needs to go out for physical examination or rehabilitation exercise, and the oxygen delivery tube and the negative pressure drainage pipe need to be disassembled, and the threaded connection mode needs to be continuously rotated and disassembled at the threaded connection position of the oxygen delivery tube and the negative pressure drainage pipe, which reduces the efficiency of the three-way valve for installing and disassembling the oxygen delivery tube and the negative pressure drainage pipe with the nasopharyngeal tube. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a multifunctional oxygen delivery pipe to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional oxygen delivery pipe, comprising a three-way valve and a nasopharyngeal tube, one end of the nasopharyngeal tube is connected with the three-way valve;

[0007] The outer part of the three-way valve is provided with an oxygen delivery hose, a negative pressure suction pipe and a connecting assembly, the oxygen delivery hose and the negative pressure suction pipe are connected with the three-way valve through the connecting assembly respectively, and the connecting assembly comprises:

[0008] A connecting sleeve and a fixed pipe, the fixed pipe is connected to the end of the three-way valve, and the connecting sleeve is slidingly sleeved on the outside of the fixed pipe;

[0009] A locking assembly is arranged at the top between the connecting sleeve and the three-way valve, and the locking assembly is used for clamping and locking the connecting sleeve and the fixed pipe.

[0010] Preferably, the locking assembly comprises:

[0011] The connecting plate member is rotatably installed on the top of the connecting sleeve through the hinge member;

[0012] The clamping block is fixedly connected to the bottom of the connecting plate member, and the outer wall of the three-way valve is provided with a clamping groove matched with the clamping block.

[0013] Preferably, the locking assembly further comprises:

[0014] The fixed shell is fixedly connected to the top of the connecting sleeve, and one side of the connecting plate member is provided with a slot matched with the fixed shell;

[0015] The supporting spring is sleeved on the inside of the fixed shell, and is used for supporting and limiting the connecting plate member.

[0016] Preferably, the locking assembly further comprises:

[0017] The connecting block is slidingly arranged in the inside of the fixed shell;

[0018] The connecting shaft is fixedly connected with the connecting block at the end, the inner wall of the slot is provided with a sliding groove, and one end of the outer wall of the connecting shaft is slidingly sleeved with the inner cavity of the sliding groove.

[0019] Preferably, the side of the fixed shell is provided with a sliding hole matched with the connecting shaft, the inside of the fixed shell is fixedly connected with a guide rod, the outer wall of the guide rod is slidingly sleeved with the supporting spring, the outer wall of the guide rod is slidingly inserted with the connecting block, and the connecting block is located on the top of the supporting spring.

[0020] Preferably, the connecting assembly further comprises:

[0021] The sealing gasket is sleeved on the inner wall of the connecting sleeve, the sealing sleeve is sleeved on the outside of the fixed pipe, and the sealing gasket and the sealing sleeve are used for sealing the connecting part of the connecting sleeve and the fixed pipe.

[0022] The guide strip is fixedly connected to the outside of the fixed pipe, and the inner wall of the connecting sleeve is provided with a guide groove matched with the guide strip.

[0023] The technical effects and advantages of the utility model are as follows:

[0024] The utility model discloses a cooperation mode of three -way valve, nasopharyngeal tube, oxygen hose, negative pressure suction pipe and connecting assembly, and connecting assembly includes connecting sleeve, fixed pipe and locking assembly, under the action of locking assembly, can make connecting sleeve and fixed pipe keep stable connection state, and the locking of locking assembly to connecting sleeve is removed, and the oxygen hose and negative pressure suction pipe connected with three -way valve can be directly disassembled, thereby in the case of not pulling out nasopharyngeal tube, so as to facilitate patient to go out. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is the whole structure schematic diagram of the utility model.

[0026] Fig. 2 It is the inside structure schematic diagram of connecting sleeve front part of the utility model.

[0027] Fig. 3 It is the inside structure schematic diagram of fixed casing side of the utility model.

[0028] In the drawing: 1, three -way valve;2, nasopharyngeal tube;3, oxygen hose;4, negative pressure suction pipe;5, connecting assembly;51, connecting sleeve;52, fixed pipe;53, locking assembly;531, connecting plate spare;532, clamping block;533, hinged spare;534, fixed casing;535, slot;536, connecting block;537, connecting shaft;538, sliding slot;539, sliding hole;5310, guide rod;5311, support spring;54, sealing pad. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0030] The utility model provides a kind of Figs. 1-3The multifunctional oxygen supply pipe shown comprises a three-way valve 1 and a nasopharyngeal tube 2, one end of the nasopharyngeal tube 2 is connected with the three-way valve 1, the nasopharyngeal tube 2 can be inserted from the nasal cavity or oral cavity of a patient, the three-way valve 1 is externally provided with an oxygen supply hose 3, a negative pressure suction pipe 4 and a connecting assembly 5, the negative pressure suction pipe 4 is used for connecting a negative pressure suction device to perform negative pressure drainage on the patient, the oxygen supply hose 3 and the negative pressure suction pipe 4 are respectively connected with the three-way valve 1 through the connecting assembly 5, the connecting assembly 5 comprises a connecting sleeve 51, a fixed pipe 52 and a locking assembly 53, the fixed pipe 52 is connected with the end of the three-way valve 1, the connecting sleeve 51 is slidingly sleeved on the outside of the fixed pipe 52, and the oxygen supply hose 3 and the negative pressure suction pipe 4 are respectively fixedly connected with the connecting sleeve 51, the locking assembly 53 is arranged at the top between the connecting sleeve 51 and the three-way valve 1, the locking assembly 53 is used for clamping and locking the connecting sleeve 51 and the fixed pipe 52, and when the locking state of the connecting sleeve 51 by the locking assembly 53 is released, the connecting sleeve 51 corresponding to the oxygen supply hose 3 and the negative pressure suction pipe 4 can be directly pulled off, so that the oxygen supply hose 3 and the negative pressure suction pipe 4 can be disassembled or assembled.

[0031] In particular, the locking assembly 53 comprises a connecting plate 531, a clamping block 532 and a hinged piece 533, the connecting plate 531 is rotatably installed at the top of the connecting sleeve 51 through the hinged piece 533, the clamping block 532 is fixedly connected with the bottom of the connecting plate 531, the outer wall of the three-way valve 1 is provided with a clamping groove matched with the clamping block 532, the clamping block 532 is clamped in the clamping groove, the connecting plate 531 can clamp and lock the connecting sleeve 51 through the clamping block 532, so as to avoid separation of the connecting sleeve 51 and the three-way valve 1, the locking assembly 53 further comprises a fixed housing 534 and a supporting spring 5311, the fixed housing 534 is fixedly connected with the top of the connecting sleeve 51, the connecting plate 531 is provided with a slot 535 matched with the fixed housing 534 on one side, the supporting spring 5311 is sleeved in the inside of the fixed housing 534, and the supporting spring 5311 is used for supporting and limiting the connecting plate 531, and one end of the connecting plate 531 has a curved and inclined upward portion, the supporting spring 5311 can guarantee the stability of clamping of the clamping block 532 and the clamping groove by supporting and limiting the curved and inclined upward portion of the connecting plate 531.

[0032] Further, the locking assembly 53 further comprises a connecting block 536 and connecting shafts 537, the connecting block 536 is slidingly arranged in the interior of the fixed shell 534, the end of the connecting shaft 537 is fixedly connected with the connecting block 536, the inner wall of the slot 535 is provided with a sliding groove 538, one end of the outer wall of the connecting shaft 537 is slidingly sleeved with the inner cavity of the sliding groove 538, the side of the fixed shell 534 is provided with a sliding hole 539 matched with the connecting shaft 537, the interior of the fixed shell 534 is fixedly connected with a guide rod 5310, the outer wall of the guide rod 5310 is slidingly sleeved with a supporting spring 5311, the outer wall of the guide rod 5310 is slidingly inserted with the connecting block 536, the connecting block 536 is located at the top of the supporting spring 5311, the supporting spring 5311 can provide an upward elastic force to the two connecting shafts 537 through the connecting block 536, so that the connecting shaft 537 provides an upward supporting force to the connecting plate 531, and the connecting shaft 537 can also generate an inclined extrusion force to the inner wall of the sliding groove 538, thereby ensuring the stability of the connecting plate 531.

[0033] Further, the connecting assembly 5 further comprises a sealing gasket 54, a sealing sleeve and a guide strip, the sealing gasket 54 is sleeved with the inner wall of the connecting sleeve 51, the sealing sleeve is sleeved with the outer portion of the fixed pipe 52, the sealing gasket 54 and the sealing sleeve are used for sealing the connecting portion of the connecting sleeve 51 and the fixed pipe 52, so as to reduce the air leakage at the connecting portion of the connecting sleeve 51 and the fixed pipe 52, and the guide strip is fixedly connected with the outer portion of the fixed pipe 52, the inner wall of the connecting sleeve 51 is provided with a guide groove matched with the guide strip, that is, the two sides of the fixed pipe 52 are provided with the guide strips, thereby ensuring the accuracy of the butt joint installation position of the connecting sleeve 51 and the fixed pipe 52, so as to facilitate the clamping of the clamping block 532 and the clamping groove by the connecting plate 531.

[0034] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A multifunctional oxygen supply tube, comprising a three-way valve (1) and a nasopharyngeal tube (2), wherein one end of the nasopharyngeal tube (2) is connected to the three-way valve (1); It is characterized by: An oxygen supply hose (3), a negative pressure suction tube (4) and a connecting assembly (5) are provided on the outside of the three-way valve (1). The oxygen supply hose (3) and the negative pressure suction tube (4) are respectively connected to the three-way valve (1) via the connecting assembly (5). The connecting assembly (5) includes: A connecting sleeve (51) and a fixed pipe (52), wherein the fixed pipe (52) is connected to the end of the three-way valve (1), and the connecting sleeve (51) is slidably sleeved on the outside of the fixed pipe (52); A locking assembly (53) is provided at the top between the connecting sleeve (51) and the three-way valve (1), and is used for locking the connecting sleeve (51) and the fixing pipe (52) by clamping.

2. A multifunctional oxygen delivery tube according to claim 1, characterized in that: The locking assembly (53) comprises: A connecting plate (531) and a hinge (533), wherein the connecting plate (531) is rotatably mounted on the top of the connecting sleeve (51) via the hinge (533); A clamping block (532) is fixedly connected to the bottom of the connecting plate (531), and a clamping groove matching the clamping block (532) is provided on the outer wall of the three-way valve (1).

3. A multifunctional oxygen delivery tube according to claim 2, characterized in that: The locking assembly (53) further comprises: A fixed shell (534), wherein the fixed shell (534) is fixedly connected to the top of the connecting sleeve (51), and a groove (535) matching the fixed shell (534) is formed on one side of the connecting plate (531); A support spring (5311), wherein the support spring (5311) is sleeved inside the fixed shell (534), and the support spring (5311) is used to support and limit the connection plate (531).

4. A multifunctional oxygen delivery tube according to claim 3, characterized in that: The locking assembly (53) further comprises: A connecting block (536) is slidably disposed inside the fixed housing (534); A connecting shaft (537) is provided, wherein the end of the connecting shaft (537) is fixedly connected to the connecting block (536); a sliding groove (538) is provided on the inner wall of the slot (535); and one end of the outer wall of the connecting shaft (537) is slidably connected to the inner cavity of the sliding groove (538).

5. The multifunctional oxygen delivery tube according to claim 4, characterized in that: A sliding hole (539) matching the connecting shaft (537) is provided on the side of the fixed shell (534), and a guide rod (5310) is fixedly connected to the interior of the fixed shell (534), and the outer wall of the guide rod (5310) is slidably connected with the support spring (5311), and the outer wall of the guide rod (5310) is slidably connected with the connecting block (536), and the connecting block (536) is located on the top of the support spring (5311).

6. The multifunctional oxygen delivery tube according to claim 1, characterized in that: The connecting component (5) further comprises: A sealing gasket (54) and a sealing sleeve, wherein the sealing gasket (54) is sleeved on the inner wall of the connecting sleeve (51), and the sealing sleeve is sleeved on the outside of the fixed tube (52), and the sealing gasket (54) and the sealing sleeve are used to seal the connection between the connecting sleeve (51) and the fixed tube (52); A guide bar is fixedly connected to the outside of the fixed tube (52), and a guide groove matching the guide bar is provided on the inner wall of the connecting sleeve (51).

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