CN215083823U - Disposable oxygen inhalation nasal catheter - Google Patents

Abstract

The utility model relates to a disposable oxygen uptake nasal catheter, including the pipe body, pipe body one end is equipped with the filtration joint of being connected with oxygen humidifying device, and the filtration joint includes the procapsid that cup joints with the pipe body and the back casing that cup joints with oxygen humidifying device, and procapsid outer wall and back casing outer wall pass through the locking swivel nut and connect, and procapsid inner wall and back casing inner wall pass through a plurality of filtration pipeline fixed connection. The utility model discloses be connected firmly with the oxygen humidifying device, can disinfect the filtration to the oxygen behind the humidifying, realize the used repeatedly of oxygen humidifying device, reduce medical cost.

Description

Disposable oxygen inhalation nasal catheter

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to disposable oxygen uptake nasal catheter.

Background

Oxygen inhalation is the most common clinical treatment means, and an oxygen humidifying device and an oxygen inhalation tube are needed; the oxygen humidifying device is connected with the oxygen bottle and used for humidifying oxygen and enabling a patient to breathe more comfortably, one end of the oxygen inhaling pipe is connected with the oxygen humidifying device and used for transmitting the oxygen after humidification, the other end of the oxygen inhaling pipe is connected with the nasal catheter, the two sides of the nasal catheter can be hung on ears of the oxygen inhaling patient, and the middle part of the nasal catheter is provided with two nasal catheters which are used for being inserted into the nose of the patient and enabling the oxygen to be input into nostrils of the patient.

The existing nasal catheter is generally put into use after being directly spliced with the tube orifice of the oxygen humidifying device, so that firstly, the stability and the sealing property of the connection part of the tube orifice cannot be guaranteed, the nasal catheter is easy to fall off, secondly, oxygen at the interface is easy to pollute, and cross infection also easily occurs after a patient uses, so that the nasal catheter and the oxygen humidifying device are disposable products when the nasal catheter and the oxygen humidifying device are used daily, particularly, the oxygen humidifying device is expensive, and the cost is undoubtedly increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model provides a disposable oxygen inhalation nasal catheter, which is firmly connected with an oxygen humidifying device, can sterilize and filter oxygen after humidifying, realizes the repeated use of the oxygen humidifying device and reduces the medical cost.

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

the utility model provides a disposable oxygen uptake nasal catheter, includes the pipe body, and pipe body one end is equipped with the filtration joint of being connected with oxygen humidifying device, and the filtration joint includes the procapsid that cup joints with the pipe body and the back casing that cup joints with oxygen humidifying device, and procapsid outer wall and back casing outer wall pass through the locking swivel nut and connect, and procapsid inner wall and back casing inner wall pass through a plurality of filtration pipeline fixed connection.

Further, the catheter body comprises an outer tube and an inner tube, and a spring is wound on the outer wall of the inner tube.

Furthermore, the end part of the catheter body is inserted into a socket port of the front shell, an inner sleeve inserted between the outer tube and the inner tube is arranged in the socket port of the front shell, and a fastening screw for tightly pushing the outer tube on the inner sleeve is arranged on the outer wall of the socket port of the front shell.

Furthermore, a plug head for blocking a socket opening of the front shell is arranged in the front shell, a movable baffle plate for blocking the pipe opening of the filter pipeline is arranged in the rear shell, the movable baffle plate can move along the axial direction of the rear shell, an air vent is formed in the movable baffle plate, and the locking screw sleeve can drive the plug head to open the socket opening of the front shell and drive the movable baffle plate to open the pipe opening of the filter pipeline.

Furthermore, the side wall of the movable baffle facing the filtering pipeline is provided with a pipe hole, and the filtering pipeline is inserted into the pipe hole.

Furthermore, the inner wall of the locking threaded sleeve between the front shell and the rear shell is connected with a partition plate, a connecting rod is fixed in the middle of the partition plate, the filtering pipeline penetrates through the partition plate and is arranged around the connecting rod, one end of the connecting rod is fixedly connected with the plug head, and the other end of the connecting rod is rotatably connected with the movable baffle.

Furthermore, waterproof breathable films are arranged at two ends inside the filtering pipeline, and electret fibers are filled in the filtering pipeline between the two waterproof breathable films.

Furthermore, the socket of the rear shell is conical, a plurality of strip-shaped openings are formed in the side wall of the socket of the rear shell, and a taper sleeve in threaded connection with the socket of the rear shell is arranged at the end part of the locking threaded sleeve connected with the rear shell.

Further, a sealing ring is arranged on the inner wall of the socket of the rear shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a procapsid and the back casing of filter joint are connecting tube body and oxygen humidifying device respectively, combine the locking swivel nut to guarantee the stability of being connected of tube body and oxygen humidifying device, and the filtration of can disinfecting to the oxygen after the humidifying through the filter tube among the filter joint for the oxygen humidifying device use up the back through simple disinfection wash alright continue used repeatedly, thereby reduce medical cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a filter pipe according to the present invention;

fig. 3 is an external structural schematic diagram of the middle and rear housings of the present invention.

Reference numerals: 1. a catheter body; 2. a front housing; 3. a rear housing; 4. locking the threaded sleeve; 5. a filtration pipeline; 6. an inner tube; 7. an outer tube; 8. a spring; 9. an inner sleeve; 10. fastening screws; 11. a plug head; 12. a movable baffle; 13. a vent hole; 14. a tube hole; 15. a partition plate; 16. a connecting rod; 17. a waterproof breathable film; 18. electret fibers; 19. a strip-shaped opening; 20. a taper sleeve; 21. and (5) sealing rings.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, a disposable oxygen inhalation nasal catheter comprises a catheter body 1, which comprises an outer tube 7 and an inner tube 6, wherein a spring 8 is wound on the outer wall of the inner tube 6, so that the oxygen inhalation nasal catheter can be prevented from being blocked due to deformation caused by extrusion, bending and the like in the using process. For guaranteeing that oxygen uptake nasal catheter and oxygen humidifying device can stabilize and be connected, this scheme is connected with oxygen humidifying device at 1 tip installation filter joint of pipe body, and can disinfect the filtration to the oxygen after the humidifying through this filter joint, avoids oxygen to take place to pollute at the kneck to oxygen humidifying device is after using, through simple disinfection alright directly add the sterilization injection water and continue used repeatedly, reduces medical cost.

Specifically, as shown in fig. 1, the filter joint includes a front housing 2 sleeved with the catheter body 1 and a rear housing 3 sleeved with the oxygen humidification device, and the outer wall of the front housing 2 and the outer wall of the rear housing 3 are connected through a locking screw sleeve 4, that is, the locking screw sleeve 4 is in threaded connection with the outer wall of the front housing 2 and the outer wall of the rear housing 3; the inner wall of the front shell 2 and the inner wall of the rear shell 3 are fixedly connected through a plurality of filter pipelines 5, namely the filter pipelines 5 are fixed on the inner wall of the front shell 2 and the inner wall of the rear shell 3. As shown in fig. 2, two ends of the inside of the filtering pipe 5 are provided with waterproof breathable films 17, the humidified oxygen can be dried through the waterproof breathable films 17, so that a patient can more comfortably inhale oxygen, and electret fibers 18 are filled in the filtering pipe 5 between the two waterproof breathable films 17 and used for sterilizing the oxygen.

As shown in fig. 1, the end of the catheter body 1 is inserted into the socket of the front housing 2, an inner sleeve 9 inserted between the outer tube 7 and the inner tube 6 is arranged in the socket of the front housing 2, and the outer tube 7 is tightly pressed against the inner sleeve 9 by arranging a fastening screw 10 on the outer wall of the socket of the front housing 2, so that the stable connection between the filtering pipeline 5 and the catheter body 1 is ensured, and the sealing performance of the connection between the filtering joint and the oxygen humidifying device is ensured; as shown in fig. 3, the socket of the rear housing 3 is tapered, a taper sleeve 20 in threaded connection with the socket of the rear housing 3 is integrally formed at the end of the locking screw sleeve 4 connected with the rear housing 3, so that after the connector of the oxygen humidification device is inserted into the socket of the rear housing 3, the taper sleeve 20 can be immediately driven to lock the socket of the rear housing 3 by rotating the locking screw sleeve 4, so as to ensure the stable connection of the filter joint and the oxygen humidification device, wherein a plurality of strip-shaped openings 19 are formed in the socket side wall of the rear housing 3, so that the socket side wall of the rear housing 3 has certain elasticity, and the locking is more facilitated. In addition, as shown in fig. 1, a sealing ring 21 is arranged on the inner wall of the sleeve joint of the rear shell 3, so as to further ensure the sealing property of the connection between the filtering joint and the oxygen humidifying device.

As shown in fig. 1, in the present scheme, a plug 11 for blocking the socket of the front housing 2 is disposed in the front housing 2, and a movable baffle 12 for blocking the opening of the filtering pipe 5 is disposed in the rear housing 3, the movable baffle 12 is opened with a pipe hole 14 toward the side wall of the filtering pipe 5, the filtering pipe 5 is inserted into the pipe hole 14 and is thereby blocked, and the movable baffle 12 is opened with a vent hole 13 for oxygen ventilation. When the oxygen inhalation nasal catheter is not used, because the socket of the front shell body 2 and the pipe orifice of the filter pipeline 5 are blocked, the filter joint can not normally ventilate, in order to be connected with the oxygen humidification device at the oxygen inhalation nasal catheter and then the filter joint can ventilate, so as to normally supply oxygen, the inner wall of the locking screw sleeve 4 between the front shell body 2 and the rear shell body 3 is connected with the partition board 15, and the middle part of the partition board 15 is fixedly connected with the connecting rod 16, so that the filter pipeline 5 passes through the partition board 15 and is arranged around the connecting rod 16, one end of the connecting rod 16 is fixedly connected with the plug head 11, and the other end is rotatably connected with the movable baffle plate 12. Like this, when rotating the socket of lock nut locking back casing 3, can drive baffle, connecting rod 16 through lock nut and remove, and then drive chock plug 11 and break away from and open the socket of procapsid 2, drive adjustable fender 12 and remove and open filtering duct 5 along the axial direction of back casing 3, finally make the filter joint can normally ventilate.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (9)

1. A disposable oxygen inhalation nasal catheter is characterized in that: including pipe body (1), pipe body (1) one end is equipped with the filtration joint of being connected with oxygen humidifying device, filters and connects including procapsid (2) that cup joints with pipe body (1) and back casing (3) that cup joints with oxygen humidifying device, and procapsid (2) outer wall and back casing (3) outer wall are connected through locking swivel nut (4), and procapsid (2) inner wall and back casing (3) inner wall pass through a plurality of filtration pipeline (5) fixed connection.

2. The disposable nasal oxygen inhalation catheter of claim 1, wherein: the catheter body (1) comprises an outer tube (7) and an inner tube (6), and a spring (8) is wound on the outer wall of the inner tube (6).

3. The disposable nasal oxygen inhalation catheter of claim 2, wherein: the end of the catheter body (1) is inserted into a socket of the front shell (2), an inner sleeve (9) inserted between the outer tube (7) and the inner tube (6) is arranged in the socket of the front shell (2), and a fastening screw (10) for tightly pushing the outer tube (7) on the inner sleeve (9) is arranged on the outer wall of the socket of the front shell (2).

4. The disposable nasal oxygen inhalation catheter of claim 1, wherein: be equipped with in procapsid (2) and be equipped with chock plug (11) that block up the socket joint of procapsid (2), be equipped with in back casing (3) and shelter from orificial adjustable fender (12) of filter line (5), adjustable fender (12) can be followed the axial direction removal of back casing (3), air vent (13) have been seted up on adjustable fender (12), locking swivel nut (4) can drive chock plug (11) and open the socket joint of procapsid (2) and drive adjustable fender (12) and open the orificial of filter line (5).

5. The disposable nasal oxygen inhalation catheter of claim 4, wherein: the side wall of the movable baffle (12) facing the filtering pipeline (5) is provided with a pipe hole (14), and the filtering pipeline (5) is inserted into the pipe hole (14).

6. The disposable nasal oxygen inhalation catheter of claim 4, wherein: the inner wall of a locking threaded sleeve (4) between the front shell (2) and the rear shell (3) is connected with a partition plate (15), a connecting rod (16) is fixed in the middle of the partition plate (15), the filtering pipeline (5) penetrates through the partition plate (15) and is arranged around the connecting rod (16), one end of the connecting rod (16) is fixedly connected with the plug head (11), and the other end of the connecting rod (16) is rotatably connected with the movable baffle (12).

7. The disposable nasal oxygen inhalation catheter of claim 1, wherein: the two ends of the interior of the filter pipeline (5) are provided with waterproof breathable films (17), and electret fibers (18) are filled in the filter pipeline (5) between the two waterproof breathable films (17).

8. The disposable nasal oxygen inhalation catheter of claim 1, wherein: the socket of the rear shell (3) is conical, a plurality of strip-shaped openings (19) are formed in the side wall of the socket of the rear shell (3), and a taper sleeve (20) in threaded connection with the socket of the rear shell (3) is arranged at the end part of the locking screw sleeve (4) connected with the rear shell (3).

9. The disposable nasal oxygen inhalation catheter of claim 1, wherein: the inner wall of the socket of the rear shell (3) is provided with a sealing ring (21).

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