CN210205553U

CN210205553U - Novel nasal catheter

Info

Publication number: CN210205553U
Application number: CN201920692823.3U
Authority: CN
Inventors: Weizhong Qian; 钱伟忠
Original assignee: Nanjing Bono Medical Technology Co Ltd
Current assignee: Kangnaisheng (Suzhou) Health Industry Technology Co.,Ltd.
Priority date: 2019-05-15
Filing date: 2019-05-15
Publication date: 2020-03-31
Anticipated expiration: 2029-05-15

Abstract

The utility model relates to the technical field of medical equipment, and a novel nasal catheter is disclosed, including the intake pipe, the input intercommunication of intake pipe has the intubate, the cover is equipped with the connecting pipe on the pipe wall of intubate, the one end intercommunication that the intake pipe was kept away from to the connecting pipe has oxygen therapy pipe, oxygen therapy pipe's the other end and oxygen source intercommunication, ring groove has been seted up on the inner tube wall of connecting pipe, the card piece groove has been seted up to the symmetry on the outer tube wall that the intubate was carried on the back mutually, the card piece inslot sliding connection has the fixture block, two the one end that the fixture block was carried on the back mutually is passed and is corresponded card piece groove notch and extend to ring groove in, and fixedly connected with lug, the section of lug is isosceles. The utility model discloses be convenient for the nasal catheter and be connected of oxygen therapy pipe, avoid because of connecting insecure, the nasal catheter breaks away from with the oxygen therapy pipe because of the effect that receives the external force, and the change of the nasal catheter of being convenient for.

Description

Novel nasal catheter

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a novel nasal catheter.

Background

Oxygen inhalation, namely oxygen inhalation, is a clinical common treatment method, is used for correcting hypoxia, improving the arterial oxygen partial pressure and the oxygen saturation level, promoting metabolism and the like, and is one of important methods for adjuvant therapy of various diseases; the bedridden patient usually uses an oxygen inhalation nasal catheter in the oxygen inhalation process to ensure that the bedridden patient has sufficient oxygen supply. Oxygen inhalation is used for correcting hypoxia, improving the partial pressure of arterial blood oxygen and the oxygen saturation level and promoting metabolism, and is one of important methods for adjuvant therapy of various diseases. The oxygen inhalation method mainly includes nasal catheter oxygen inhalation method, mask oxygen inhalation method, oral oxygen inhalation method, etc., and the nasal catheter oxygen inhalation method is the most common method, that is, inserting a nasal catheter into the top of the nasal cavity to inhale oxygen. However, the existing nasal catheter is only to simply insert the tube opening end into the oxygen catheter, and the tube wall of the nasal catheter is wrapped up by the elasticity of the oxygen hose, and the connection is unstable, so the nasal catheter is easy to fall off due to the action of external force, the fixation and the disassembly of the nasal catheter and the oxygen catheter are inconvenient, and the replacement of the nasal catheter is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the connection between the nasal catheter and the oxygen catheter is unstable and is easy to drop and the nasal catheter is inconvenient to replace in the prior art, and providing a novel nasal catheter.

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

a novel nasal catheter comprises an air inlet pipe, wherein the input end of the air inlet pipe is communicated with an insertion pipe, a connecting pipe is sleeved on the pipe wall of the insertion pipe, one end, far away from the air inlet pipe, of the connecting pipe is communicated with an oxygen supply, the other end of the oxygen supply pipe is communicated with the oxygen supply, an annular clamping groove is formed in the inner pipe wall of the connecting pipe, clamping block grooves are symmetrically formed in the outer pipe wall of the insertion pipe in the back direction, clamping blocks are connected in the clamping block grooves in a sliding mode, one ends, opposite to each other, of the two clamping blocks penetrate through the corresponding clamping block groove openings and extend into the annular clamping groove, a convex block is fixedly connected with the inner side wall of the annular clamping groove, a first spring is fixedly connected to the bottom of the clamping block groove, the other end of the first spring is fixedly connected to the side wall corresponding to the clamping blocks, a sealing rubber ring is, the spacing groove has been seted up to the symmetry on the cell wall that the fixture block groove is in opposite directions, sliding connection has a stopper, two stopper one end in opposite directions passes and corresponds spacing groove notch and to fixture block in-groove extension, and common fixed connection is on the lateral wall that the fixture block corresponds, the movable groove has been seted up to the symmetry on the cell wall that ring groove is close to the intake pipe, be connected with the push rod through coupling mechanism in the movable groove, the notch of movable groove and the inclined plane of lug are in on same horizontal plane, the one end intercommunication that oxygen therapy pipe was kept away from to the intake pipe has the shunt tubes, the output of shunt tubes has oxygen tube through the intercommunication, the last symmetry intercommunication of oxygen tube has the nose cock pipe.

Preferably, coupling mechanism includes the movable block of sliding connection in the movable slot, the one end fixedly connected with second spring of lug is kept away from to the movable block, the other end fixed connection of second spring is at the movable slot tank bottom, the one end of lug and the one end fixed connection of push rod are kept away from to the movable block, the other end of push rod passes second spring and movable slot tank bottom in proper order and outwards extends.

Preferably, the pipe wall of the shunt pipe close to the air inlet pipe is sleeved with a fixing ring.

Preferably, the wall of the oxygen catheter is fixedly connected with a hook.

Preferably, one end of the push rod, which is far away from the bump, is fixedly connected with a push plate.

Preferably, a sliding groove is formed in the wall, away from the insertion tube, of the movable groove, a sliding block is connected in the sliding groove in a sliding mode, one end, close to the insertion tube, of the sliding block penetrates through a groove opening of the sliding groove and extends into the movable groove, and the sliding block is fixedly connected to the corresponding side wall of the movable block.

Compared with the prior art, the utility model provides a novel nasal catheter possesses following beneficial effect:

1. the novel nasal catheter is provided with an air inlet pipe, an intubation tube, a connecting pipe, an oxygen therapy pipe, an annular clamping groove, a clamping block, a convex block, a first spring, a sealing rubber ring, a limiting groove, a limiting block, a flow division pipe, an oxygen inhalation pipe and a nasal obstruction pipe, when the nasal catheter is required to be used, the intubation tube is inserted into the connecting pipe, because the inclined plane of the convex block is pressed against the inner pipe wall of the connecting pipe to push the inserting pipe, the convex block and the clamping block are retracted into the clamping block groove, the two limiting blocks move oppositely in the corresponding limiting grooves, the clamping block compresses the first spring, when the lug reaches the position of the annular clamping groove, the first spring enables the clamping block and the lug to be sprung into the annular clamping groove, the inner annular side wall of the sealing rubber ring is abutted to the outer pipe wall of the insertion pipe, sealing of the joint is achieved, connection of the nasal catheter and the oxygen catheter is facilitated, and the nasal catheter is prevented from being separated from the oxygen catheter due to the effect of external force due to unstable connection.

2. This novel nasal catheter, through setting up the movable groove, the push rod, the movable block, the second spring, spout and slider, when nasal catheter needs to be changed, promote the push rod, drive the movable block and do the slip that is close to the lug in the movable groove, the tensile second spring of movable block, the inclined plane of movable block and lug offsets, the movable block extrudes lug and fixture block into the fixture block inslot, extract the intubate, make intake pipe and oxygen therapy pipe separation, set up the lateral part at the connecting pipe with the push rod, avoid the mistake to bump and make intubate and connecting pipe separation, the change of the nasal catheter of being convenient for.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for the nasal catheter and the oxygen therapy pipe be connected, avoid because of connecting insecure, the nasal catheter breaks away from with the oxygen therapy pipe because of the effect that receives the external force, and the change of the nasal catheter of just being convenient for.

Drawings

Fig. 1 is a schematic structural view of a novel nasal catheter provided by the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1 intake pipe, 2 intubate, 3 connecting pipes, 4 oxygen therapy pipes, 5 ring groove, 6 fixture block grooves, 7 fixture blocks, 8 lugs, 9 first spring, 10 sealing rubber ring, 11 spacing grooves, 12 spacing blocks, 13 activity groove, 14 push rod, 15 shunt tubes, 16 oxygen uptake pipes, 17 nasal obstruction pipes, 18 activity block, 19 second spring, 20 solid fixed ring, 21 spout, 22 slider.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a novel nasal catheter comprises an air inlet tube 1, wherein an input end of the air inlet tube 1 is communicated with an insertion tube 2, a connecting tube 3 is sleeved on a tube wall of the insertion tube 2, one end of the connecting tube 3, which is far away from the air inlet tube 1, is communicated with an oxygen tube 4, the other end of the oxygen tube 4 is communicated with an oxygen source, an annular clamping groove 5 is formed in the inner tube wall of the connecting tube 3, clamping block grooves 6 are symmetrically formed in the outer tube walls of the insertion tubes 2, which are opposite to each other, clamping blocks 7 are slidably connected in the clamping block grooves 6, opposite ends of the two clamping blocks 7 penetrate through the notches of the corresponding clamping block grooves 6 and extend into the annular clamping groove 5, a convex block 8 is fixedly connected, the section of the convex block 8 is isosceles trapezoid, a first spring 9 is fixedly connected at the bottom of the clamping block groove 6, the other end, the outer annular side wall of the sealing rubber ring 10 is fixedly connected with the groove wall of the ring-shaped clamping groove 5, the opposite groove walls of the clamping block grooves 6 are symmetrically provided with limiting grooves 11, limiting blocks 12 are connected in the limiting grooves 11 in a sliding manner, the opposite ends of the two limiting blocks 12 penetrate through the notches of the corresponding limiting grooves 11 and extend into the clamping block grooves 6, and are fixedly connected to the corresponding side walls of the clamping block 7 together, the groove wall of the ring-shaped clamping groove 5 close to the air inlet pipe 1 is symmetrically provided with movable grooves 13, the movable grooves 13 are connected with push rods 14 through connecting mechanisms, the notches of the movable grooves 13 and the inclined surface of the lug 8 are positioned on the same horizontal plane, one end of the air inlet pipe 1 far away from the oxygen delivery pipe 4 is communicated with a flow dividing pipe 15, the output end of the flow dividing pipe 15 is communicated with an oxygen suction pipe 16, the oxygen suction pipe 16 is symmetrically communicated with nasal plug pipes 17, when the nasal catheter is needed, promote intubate 2 for

lug

8 and 7 indentation fixture block grooves 6 of fixture block, two stopper 12 are the motion in opposite directions in the spacing groove 11 that corresponds, fixture block 7 compresses first spring 9, reach ring groove 5's position department when lug 8, first spring 9 is in ring groove 5 with

fixture block

7 and 8 bullet of lug, the interior annular lateral wall of sealed rubber ring 10 offsets with the outer pipe wall of intubate 2, realize the sealed of junction, be convenient for nasal catheter and oxygen therapy pipe 4's being connected, avoid because of connecting insecure, nasal catheter breaks away from with oxygen therapy pipe because of the effect that receives the external force.

The connecting mechanism comprises a movable block 18 which is connected in the movable groove 13 in a sliding way, one end of the movable block 18, which is far away from the convex block 8, is fixedly connected with a second spring 19, the other end of the second spring 19 is fixedly connected with the bottom of the movable groove 13, one end of the movable block 18, which is far away from the convex block 8, is fixedly connected with one end of a push rod 14, the other end of the push rod 14 sequentially passes through the second spring 19 and the bottom of the movable groove 13 and extends outwards, when the nasal catheter needs to be replaced, the push rod 14 is pushed to drive the movable block 18 to slide in the movable groove 13 close to the convex block 8, the movable block 18 stretches the second spring 19, the movable block 18 abuts against the inclined surface of the convex block 8, the convex block 8 and the fixture block 7 are extruded into the fixture block groove 6 by the movable block 18, the cannula 2 is pulled out, so that the air inlet pipe 1 is separated from the oxygen therapy pipe 4, the push rod 14 is arranged at the side part of the connecting pipe 3, the inserting pipe 2 is prevented from being separated from the connecting pipe 3 by mistake, and the nasal catheter is convenient to replace.

The pipe wall of the shunt pipe 15 close to the air inlet pipe 1 is sleeved with a fixing ring 20, so that the length of the shunt pipe 15 can be conveniently adjusted, and the device is suitable for the head sizes of different patients.

The wall of the oxygen tube 4 is fixedly connected with a hook, which is convenient for fixing the oxygen tube 4.

The push plate is fixedly connected to one end of the push rod 14 far away from the bump 8, so that the push rod 14 can move conveniently.

The chute 21 has been seted up on the cell wall that the intubate 2 was kept away from to the activity groove 13, and sliding connection has slider 22 in the chute 21, and the one end that slider 22 is close to intubate 2 passes chute 21 notch and extends to activity groove 13 in, and fixed connection has spacing effect on the lateral wall that the movable block 18 corresponds.

In the utility model, when the nasal catheter is needed to be used, the cannula 2 is inserted into the connecting pipe 3, because the inclined plane of the lug 8 is abutted against the inner pipe wall of the connecting pipe 3, the cannula 2 is pushed, the lug 8 and the fixture block 7 are retracted into the fixture block groove 6, the two stoppers 12 move oppositely in the corresponding limiting grooves 11, the fixture block 7 compresses the first spring 9, when the lug 8 reaches the position of the annular clamping groove 5, the first spring 9 ejects the fixture block 7 and the lug 8 into the annular clamping groove 5, the inner annular side wall of the sealing rubber ring 10 is abutted against the outer pipe wall of the cannula 2, the sealing of the joint is realized, the connection between the nasal catheter and the oxygen catheter 4 is convenient, the separation between the nasal catheter and the oxygen catheter due to the external force is avoided, when the nasal catheter needs to be replaced, the push rod 14 is pushed, the movable block 18 is driven to slide in the movable groove 13 close to the lug 8, the movable block 18 stretches the second spring 19, the movable block 18 is abutted against the inclined plane of the convex block 8, the convex block 8 and the clamping block 7 are extruded into the clamping block groove 6 by the movable block 18, the inserting tube 2 is extracted, the air inlet tube 1 is separated from the oxygen delivery tube 4, the push rod 14 is arranged on the side part of the connecting tube 3, the inserting tube 2 is prevented from being mistakenly collided and separated from the connecting tube 3, and the nasal catheter is convenient to replace.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The novel nasal catheter comprises an air inlet pipe (1) and is characterized in that the input end of the air inlet pipe (1) is communicated with an insertion pipe (2), a connecting pipe (3) is sleeved on the pipe wall of the insertion pipe (2), one end, far away from the air inlet pipe (1), of the connecting pipe (3) is communicated with an oxygen supply pipe (4), the other end of the oxygen supply pipe (4) is communicated with an oxygen source, an annular clamping groove (5) is formed in the inner pipe wall of the connecting pipe (3), clamping block grooves (6) are symmetrically formed in the outer pipe wall of the insertion pipe (2) in a back-to-back manner, clamping blocks (7) are slidably connected in the clamping block grooves (6), one ends, back to back, of the two clamping blocks (7) penetrate through the notches of the corresponding clamping block grooves (6) and extend into the annular clamping groove (5), a convex block (8) is fixedly connected, the section of the convex block (8) is in an isosceles trapezoid, the other end of the first spring (9) is fixedly connected to the side wall corresponding to the clamping block (7), a sealing rubber ring (10) is sleeved on the pipe wall of the insertion pipe (2) positioned in the annular clamping groove (5), the outer annular side wall of the sealing rubber ring (10) is fixedly connected with the groove wall of the annular clamping groove (5), limiting grooves (11) are symmetrically formed in the opposite groove walls of the clamping block grooves (6), limiting blocks (12) are slidably connected in the limiting grooves (11), the opposite ends of the two limiting blocks (12) penetrate through the notches of the corresponding limiting grooves (11) and extend into the clamping block grooves (6), the two limiting blocks are fixedly connected to the corresponding side walls of the clamping block (7) together, movable grooves (13) are symmetrically formed in the groove wall of the annular clamping groove (5) close to the air inlet pipe (1), push rods (14) are connected in the movable grooves (13) through connecting mechanisms, the notches of the movable grooves (13) and the inclined planes of the convex blocks (8) are, one end of the air inlet pipe (1), which is far away from the oxygen therapy pipe (4), is communicated with a shunt pipe (15), the output end of the shunt pipe (15) is communicated with an oxygen uptake pipe (16), and the oxygen uptake pipe (16) is symmetrically communicated with a nasal obstruction pipe (17).

2. The novel nasal catheter as claimed in claim 1, wherein the connecting mechanism comprises a movable block (18) slidably connected in the movable groove (13), one end of the movable block (18) far away from the lug (8) is fixedly connected with a second spring (19), the other end of the second spring (19) is fixedly connected to the bottom of the movable groove (13), one end of the movable block (18) far away from the lug (8) is fixedly connected with one end of the push rod (14), and the other end of the push rod (14) sequentially passes through the second spring (19) and the bottom of the movable groove (13) and extends outwards.

3. The novel nasal catheter as claimed in claim 1, characterised in that the wall of the shunt tube (15) close to the inlet tube (1) is provided with a fixing ring (20).

4. The novel nasal catheter as claimed in claim 1, wherein a hook is fixedly connected to the wall of the oxygen catheter (4).

5. The novel nasal catheter as claimed in claim 2, wherein a push plate is fixedly connected to the end of the push rod (14) remote from the projection (8).

6. The novel nasal catheter as claimed in claim 2, wherein a sliding groove (21) is formed in a wall of the movable groove (13) away from the insertion tube (2), a sliding block (22) is slidably connected in the sliding groove (21), and one end of the sliding block (22) close to the insertion tube (2) passes through a notch of the sliding groove (21) and extends into the movable groove (13), and is fixedly connected to a corresponding side wall of the movable block (18).