CN217988109U - Improved double-nasal catheter - Google Patents
Improved double-nasal catheter Download PDFInfo
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- CN217988109U CN217988109U CN202220647226.0U CN202220647226U CN217988109U CN 217988109 U CN217988109 U CN 217988109U CN 202220647226 U CN202220647226 U CN 202220647226U CN 217988109 U CN217988109 U CN 217988109U
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- nasal
- catheter
- catheter body
- oxygen
- extranasal
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Abstract
The utility model provides an improved double-nasal catheter, belonging to the technical field of medical instruments. The nasal oxygen catheter comprises a catheter body, wherein a pair of nasal oxygen output holes are formed in the wall of the catheter body, and a positioning assembly used for fixing the nasal oxygen output holes in the working position of the nasal oxygen output holes is movably arranged on the catheter body. The utility model provides a pipe body is direct to be passed through two external formula oxygen output holes of nose to two nasal cavity input oxygen, does not set up the nasal plug pipe of filling in the nasal cavity, consequently can not cause the discomfort to patient when using, more can not cause the pressure nature damage of nasal cavity mucosa, and fixed subassembly can fix the pipe body at the ear and can not cause the damage to the ear.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, a two nasal catheters of improvement formula is related to.
Background
At present, most patients who take oxygen clinically adopt a double-nasal catheter to take oxygen, the two oxygen outlet holes are respectively plugged into nasal cavities at two sides and movable fixed buckles at the lower part for fixation, and the oxygen absorption device has the following defects: bilateral nasal obstruction is longer, and patient's comfort is not strong, causes nasal cavity mucous membrane pressure nature damage even, is not suitable for the impaired patient of nasal cavity mucous membrane, and secondly, to the patient that needs long-term oxygen therapy, the pipe of walking around both sides ear easily causes ear pressure nature damage, often needs behind the hydrocolloid dressing protection ear to fix again, and the pipe installation is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide an improvement formula double nasal tube.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the improved double-nasal catheter comprises a catheter body, wherein a pair of extranasal oxygen output holes are formed in the wall of the catheter body, and a positioning assembly used for fixing the extranasal oxygen output holes on the working position of the extranasal oxygen output holes is movably arranged on the catheter body.
In the above improved double-nasal catheter, the extranasal oxygen output hole is directly formed on the wall of the catheter body.
In the above improved double-nasal catheter, the tube wall of the catheter body is integrally formed with a pair of oxygen delivery tubes with a length less than 3mm, and the extranasal oxygen output holes are formed at the end parts of the oxygen delivery tubes.
In the above improved double-nasal catheter, the connecting part of the catheter body and the outer side of the nasal cavity is provided with a planar closed connecting part, and the two extranasal oxygen output holes are both arranged on the closed connecting part.
In the improved double-nasal catheter, the middle part of the closed connecting part is also provided with an arc-shaped groove matched with the nasal septum, and the two extranasal oxygen output holes are positioned at two sides of the arc-shaped groove.
In the above-mentioned improved double-nasal catheter, the sealing connection part comprises a plastic plate and a rubber cushion layer, and the rubber cushion layer is arranged on the outer side of the plastic plate.
In the above-mentioned two nasal catheters of improvement formula, locating component including the cover establish on the pipe body and with pipe body sliding connection's adapter sleeve, the adapter sleeve on set firmly fixed ear that is the angle setting with the pipe body and collude.
In the above improved double-nasal catheter, the connecting sleeve has a central passage for the catheter body to pass through, the connecting sleeve is made of an elastic material, and the inner diameter of the central passage is smaller than the outer diameter of the catheter body.
In the above improved double-nasal catheter, the fixing ear hook has an ear contact part made of a flexible material.
In the above improved double-nasal catheter, the connecting part between the catheter body and the outer side of the nasal cavity is provided with two planar closed connecting parts, and the two extranasal oxygen output holes are respectively arranged on the two closed connecting parts.
Compared with the prior art, the utility model has the advantages of: the utility model provides a pipe body is direct to be passed through two external formula oxygen output holes of nose to two nasal cavity input oxygen, does not set up the nasal plug pipe of filling in the nasal cavity, consequently can not cause the discomfort to patient when using, more can not cause the pressure nature damage of nasal cavity mucosa, and fixed subassembly can fix the pipe body at the ear and can not cause the damage to the ear.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic structural view of the second embodiment;
FIG. 3 is a schematic structural view of the third embodiment;
FIG. 4 is a schematic structural diagram of the fourth embodiment.
In the figure, a catheter body 1, an extranasal oxygen output hole 2, a positioning component 3, an oxygen delivery tube 4, a closed connecting part 5, an arc-shaped groove 6, a plastic plate 7, a rubber cushion layer 8, a connecting sleeve 9, a fixed ear hook 10, a central channel 11 and an ear contact part 12.
Detailed Description
Example one
As shown in fig. 1, an improved double-nasal catheter comprises a catheter body 1, wherein a pair of extranasal oxygen output holes 2 are formed in the wall of the catheter body 1, and a positioning assembly 3 for fixing the extranasal oxygen output holes 2 in the working position is movably arranged on the catheter body 1.
The utility model provides a pipe body 1 is direct to two nasal intracavity input oxygen through two external formula oxygen delivery outlets of nose 2, does not set up the nasal plug pipe of filling in the nasal cavity, consequently can not cause the discomfort to patient when using, more can not cause the pressure nature damage of nasal cavity mucosa, and fixed subassembly can fix pipe body 1 at the ear and can not cause the damage to the ear.
Specifically, the extranasal oxygen output hole 2 is directly formed on the tube wall of the catheter body 1, which facilitates the production of the catheter body.
Specifically, the positioning assembly 3 includes a connecting sleeve 9 sleeved on the catheter body 1 and slidably connected to the catheter body 1, and a fixing lug 10 disposed at an angle to the catheter body 1 is fixedly disposed on the connecting sleeve 9. Thereby fixed ear colludes can cover and can fix the pipe body in ear root department, makes the outer formula oxygen delivery outlet of nose 2 can align with the nasal cavity, and adapter sleeve 9 and pipe body sliding connection can be according to the position that the fixed ear of patient's facial size regulation colluded.
Preferably, the connecting sleeve 9 has a central passage 11 for the catheter body 1 to pass through, the connecting sleeve 9 is made of an elastic material, and the inner diameter of the central passage 11 is smaller than the outer diameter of the catheter body 1. Elastic material can be silica gel or rubber, and the internal diameter of central channel 11 is less than the external diameter of pipe body 1 and can prevent to appear the displacement after fixed ear colludes the fixed good, leads to the unable fixed in position of external formula oxygen delivery port 2 of nose.
Preferably, the fixing lug 10 has a lug contact 12, the lug contact 12 being made of a soft elastic material. Ear contact 12 is made by gentle elastic material and can prevent that the ear from receiving the harm and can improve the travelling comfort when the patient uses, and gentle elastic material can be silica gel.
Example two
The structure and the working principle of the second embodiment are basically the same as those of the first embodiment, and the differences are shown in FIG. 2:
the tube wall of the catheter body 1 is integrally formed with a pair of oxygen delivery tubes 4 with the length less than 3mm, and the extranasal oxygen output holes 2 are formed at the end parts of the oxygen delivery tubes 4. Set up length and be less than 3 mm's oxygen therapy pipe 4 and can improve the entering volume that enters into the oxygen of nasal cavity from formula oxygen delivery hole 2 outside the nose, and can prevent that the oxygen therapy pipe from causing the oppression to the nasal cavity inboard.
EXAMPLE III
The third embodiment and the first embodiment have basically the same structure and working principle, and the differences are shown in fig. 3:
the connecting part of the catheter body 1 and the outer side of the nasal cavity is provided with a planar closed connecting part 5, and the two extranasal oxygen output holes 2 are arranged on the closed connecting part 5. The closed connecting part which is planar can be attached to the outer side of the nasal cavity, so that the oxygen amount input into the nasal cavity from the oxygen input hole can be increased under the condition that the nasal plug tube is not arranged, and oxygen is prevented from leaking from the outer side of the nasal cavity.
Preferably, the middle part of the closed connecting part 5 is also provided with an arc-shaped groove 6 matched with the nasal septum, and the two extranasal oxygen output holes 2 are positioned at two sides of the arc-shaped groove 6. Thereby set up the better laminating in nasal cavity outside that the arc recess can make the septum card go into and make the closure connecting portion.
Preferably, the closing connection 5 comprises a plastic plate 7 and a glue cushion layer 8, which glue cushion layer 8 is arranged on the outer side of the plastic plate 7. The plastic slab can prevent to seal connecting portion and take place deformation and lead to gas leakage, and the cushion can improve the nasal cavity and seal the comfort level of connecting portion junction, and the cushion is made by silica gel.
Example four
The third embodiment is basically the same as the first embodiment in structure and working principle, and the differences are shown in fig. 4:
the connecting part of the catheter body 1 and the outer side of the nasal cavity is provided with two plane-shaped closed connecting parts 5, and the two extranasal oxygen output holes 2 are respectively arranged on the two closed connecting parts 5.
Thereby it can with two nasal cavity outside laminating to be two closed connecting portion of plane can improve the oxygen volume of inputing from the oxygen input hole to the nasal cavity under the condition of not setting up the nasal plug pipe, prevents that oxygen from revealing from the nasal cavity outside.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the catheter body 1, the extranasal oxygen delivery orifice 2, the positioning assembly 3, the oxygen delivery tube 4, the sealing connection 5, the arc-shaped groove 6, the plastic plate 7, the cushion layer 8, the connection sleeve 9, the fixing lug hooks 10, the central passage 11, the lug contact portion 12, etc. are used more frequently herein, these terms are used only for the purpose of more conveniently describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. The improved double-nasal catheter comprises a catheter body (1) and is characterized in that a pair of extranasal oxygen output holes (2) are formed in the wall of the catheter body (1), and a positioning assembly (3) used for fixing the extranasal oxygen output holes (2) on the working position of the catheter body (1) is movably arranged on the catheter body.
2. An improved double nasal catheter according to claim 1, wherein the extranasal oxygen outlet holes (2) are formed directly in the wall of the catheter body (1).
3. An improved double-nasal catheter as claimed in claim 1, wherein the catheter body (1) is integrally formed with a pair of oxygen tubes (4) with a length less than 3mm on the wall thereof, and the extranasal oxygen outlet holes (2) are formed at the ends of the oxygen tubes (4).
4. An improved double-nasal catheter as claimed in claim 1, 2 or 3, wherein the junction of the catheter body (1) and the outside of the nasal cavity has a planar sealing connection part (5), and the two extranasal oxygen output holes (2) are arranged on the sealing connection part (5).
5. An improved double nasal catheter as claimed in claim 4, wherein the middle of the closed connecting part (5) is further provided with an arc-shaped groove (6) matched with the nasal septum, and the two extranasal oxygen output holes (2) are positioned at two sides of the arc-shaped groove (6).
6. An improved twin nasal catheter as claimed in claim 4 characterised in that the closure connection (5) comprises a plastic sheet (7) and a layer of adhesive (8), the layer of adhesive (8) being provided on the outside of the plastic sheet (7).
7. An improved double-nose catheter as claimed in claim 1, 2 or 3, wherein the positioning component (3) comprises a connecting sleeve (9) sleeved on the catheter body (1) and slidably connected with the catheter body (1), and a fixed ear hook (10) arranged at an angle with the catheter body (1) is fixedly arranged on the connecting sleeve (9).
8. An improved double nasal catheter according to claim 7, wherein the connecting sleeve (9) has a central passage (11) for the catheter body (1) to pass through, the connecting sleeve (9) is made of an elastic material, and the inner diameter of the central passage (11) is smaller than the outer diameter of the catheter body (1).
9. An improved twin nasal catheter as claimed in claim 7 wherein the fixing ear hook (10) has an ear contact portion (12), the ear contact portion (12) being made of a flexible material.
10. An improved double-nasal catheter as claimed in claim 1, 2 or 3, wherein the catheter body (1) has two plane-shaped closed connecting parts (5) at the connecting part with the outside of the nasal cavity, and the two extranasal oxygen output holes (2) are respectively arranged on the two closed connecting parts (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647226.0U CN217988109U (en) | 2022-03-23 | 2022-03-23 | Improved double-nasal catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220647226.0U CN217988109U (en) | 2022-03-23 | 2022-03-23 | Improved double-nasal catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217988109U true CN217988109U (en) | 2022-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220647226.0U Active CN217988109U (en) | 2022-03-23 | 2022-03-23 | Improved double-nasal catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217988109U (en) |
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2022
- 2022-03-23 CN CN202220647226.0U patent/CN217988109U/en active Active
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