CN108939242B - Nasal catheter with slide rail mechanism - Google Patents
Nasal catheter with slide rail mechanism Download PDFInfo
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- CN108939242B CN108939242B CN201810345290.1A CN201810345290A CN108939242B CN 108939242 B CN108939242 B CN 108939242B CN 201810345290 A CN201810345290 A CN 201810345290A CN 108939242 B CN108939242 B CN 108939242B
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- Prior art keywords
- slide rail
- nasal
- rail frame
- air inlet
- nasal catheter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
- A61M16/0666—Nasal cannulas or tubing
- A61M16/0672—Nasal cannula assemblies for oxygen therapy
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- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Otolaryngology (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A nasal catheter with a slide rail mechanism, the nasal catheter has a soft nasal catheter body, the nasal catheter body combines a hard slide rail frame, the nasal catheter body forms an elastic part on the slide rail frame, and the outside of the elastic part has a pair of nasal tubes; wherein, two sides of the slide rail frame are respectively provided with a track, a hard air inlet pipe fitting can be quickly combined with the nasal catheter body in a sliding way along the track direction of the slide rail frame, the nasal catheter body and the air inlet pipe fitting can achieve air tightness through the elastic part, and the air inlet pipe fitting can be quickly separated from the nasal catheter body in a sliding way along the track direction of the slide rail frame.
Description
Technical Field
The present invention relates to a Nasal catheter (Nasal catheter), and more particularly to a Nasal catheter with a sliding track mechanism, wherein a soft Nasal catheter body and a hard air inlet tube can be easily combined or separated by the sliding track mechanism, the soft Nasal catheter body can form an elastic portion, and the Nasal catheter body and the air inlet tube can be airtight by the elastic portion.
Background
The prior art, such as US patent No. 8267092, mainly discloses a single flow entry nasal cannula assembly (30) adapted to introduce fluid from the left or right side, so that the nasal cannula assembly (30) can be configured in left-hand or right-hand orientation, the cannula assembly (30) comprising a face mount portion (face mount portion 32) and a gas flow manifold (gas flow modified 35); the face mount includes a generally tubular member defining an open tubular recess (38), at least one nasal cannula (nasal prob 33) extending from the generally tubular member, the at least one nasal cannula including a passageway leading to the open tubular recess defined by the generally tubular member; said gas flow manifold being insertable into an open tubular recess defined by said generally tubular element, said gas flow manifold comprising a first end and a second end, said first end of said gas flow manifold closing at least one end of said open tubular recess defined by said generally tubular element when said gas flow manifold is inserted into said open tubular recess defined by said generally tubular element, said second end of said gas flow manifold being connectable to a tube (tubing 3); the airflow manifold includes a wall connecting a first end of the airflow manifold to a second end of the airflow manifold; and an opening (opening 37) defined between the first end and the second end, whereby airflow from the second end of the airflow manifold may enter the passageway of the at least one nasal cannula through the opening of the airflow manifold.
This prior art face mount is tubular in construction, when the nasal cannula assembly needs to be cleaned and sterilized, the user is not apt to separate this airflow manifold from this open tubular recess. Accordingly, there remains a need for improvement in this prior art.
Disclosure of Invention
In view of the above-identified deficiencies in the art and needs in the art, it is an object of the present invention to provide a nasal catheter with a slide rail mechanism, comprising: the two sides of the hard slide rail frame are respectively provided with a track, and the slide rail frame forms a through hole; the soft nasal catheter body is combined with the slide rail frame, the nasal catheter body forms an elastic part on the slide rail frame, the outer side of the elastic part is provided with a pair of nasal tubes, the inner side of the elastic part is provided with a sealing surface, and the sealing surface is positioned in the through hole of the slide rail frame; the air inlet pipe fitting is hard, one side edge of the air inlet pipe fitting is provided with a flow guide part, and the flow guide part is provided with a pair of first convex parts; wherein each first convex part can be inserted into each track, each nose pipe can be communicated with an opening of the flow guide part in a fluid mode, and a flange of the opening can abut against the sealing surface, so that the flow guide part and the elastic part are airtight.
The present invention has the advantages that the air inlet pipe fitting can be quickly combined with the nasal catheter body in a sliding manner along the track direction of the slide rail frame, and the air inlet pipe fitting can be quickly separated from the nasal catheter body in a sliding manner along the track direction of the slide rail frame.
The slide rail frame further has a pair of guide portions, and the guide portion further has a pair of guide surfaces, and when the slide rail frame is combined with the guide portion, each guide portion can slide on each guide surface to guide each first protrusion to be inserted into each rail.
The invention has the beneficial effects that the air inlet pipe fitting can be connected with a breathing pipe fitting, and the two tracks of the slide rail frame can limit the moving direction of the two first convex parts of the flow guide part, so that the two first convex parts of the flow guide part can only synchronously slide along the track direction of the slide rail frame, and the flow guide part is not easy to deviate; therefore, when the breathing tube is pulled, the flow guide part is not easy to be separated from the two rails of the slide rail frame.
The features, technical means, specific functions and specific embodiments of the present invention are described in detail with reference to the drawings and the accompanying drawings.
Description of the drawings:
fig. 1 is a perspective view illustrating a first coupling direction according to a preferred embodiment of the present invention.
FIG. 2 is a perspective view illustrating a second coupling direction according to the preferred embodiment of the present invention.
Fig. 3 to 5 are exploded perspective views of the slide rail frame and the nasal cannula body of the present invention.
Fig. 6 is a perspective view of the slide rail frame of the present invention combined with a nasal cannula body.
Fig. 7 is a first combination direction of the slide rail frame and the air inlet pipe fitting of the invention.
Fig. 8 is a sectional view taken along line a-a of fig. 1.
Fig. 9 is a schematic view of a second coupling direction of the slide rail frame and the air inlet pipe fitting of the present invention.
Fig. 10 is a sectional view taken along line B-B of fig. 2.
Fig. 11 is a cross-sectional view of C-C of fig. 2.
Fig. 12 is an exploded perspective view of the preferred embodiment of the present invention and lace fasteners.
Figure 13 is an exploded perspective view of the preferred embodiment of the present invention and a gas supply tube assembly.
The specific implementation mode is as follows:
referring to fig. 1 to 11, in a preferred embodiment, the Nasal cannula (Nasal cannula) of the present invention includes a rigid track frame (sliding track frame)10, wherein two sides of the track frame 10 each have a first positioning portion 11 and a track 12, and the track frame 10 forms a through hole 13; a soft Nasal catheter body 20, the Nasal catheter body 20 being combined with the slide rail frame 10, the Nasal catheter body 20 forming an elastic portion 21 on the slide rail frame 10, the outer side of the elastic portion 21 having a pair of Nasal tubes (Nasal tubes) 22, the inner side of the elastic portion 21 having a sealing surface 25, and the sealing surface 25 being located at the through hole 13 of the slide rail frame 10; a rigid air inlet pipe 30, a flow guiding portion 31 is provided at one side of the air inlet pipe 30, the flow guiding portion 31 has a pair of first protrusions 32 and a pair of second positioning portions 33; wherein each first protrusion 32 can be inserted into each track 12, each first positioning portion 11 and each second positioning portion 33 can be mutually positioned to limit the relative position of the slide rail frame 10 and the guiding portion 31, each nose tube 22 can be in fluid communication with an opening 34 of the guiding portion 31, a flange 35 of the opening 34 can abut against the sealing surface 25, so that the guiding portion 31 and the elastic portion 21 can achieve air tightness, and the air inlet tube 30 can be quickly combined with the nasal catheter body 20 in a sliding manner along the track direction S1 of the slide rail frame 10; when the first positioning portions 11 are separated from the second positioning portions 33, the first protrusions 32 can be withdrawn from the tracks 12, and the air inlet pipe 30 can be quickly separated from the nasal cannula body 20 in a sliding manner along the track direction S1 of the slide frame 10.
The shapes of the first convex portion 32, the first positioning portion 11, and the second positioning portion 33 will be described below: each first protrusion 32 may have a curved surface shape, and when the slide rail frame 10 is combined with the guiding portion 31, each first protrusion 32 is easily inserted into each rail 12; each first positioning portion 11 and each second positioning portion 33 can be curved, and when the slide rail frame 10 is combined with the guiding portion 31, each first positioning portion 11 is easily positioned at each second positioning portion 33; when the slide rail frame 10 is separated from the guiding portion 31, each first positioning portion 11 is easily separated from each second positioning portion 33.
The materials of the slide rail frame 10, the nasal cannula body 20 and the air inlet pipe 30 are listed as follows: the material of the nasal catheter body 20, such as but not limited to silica gel or thermoplastic elastomer (Thermo-
plastic Elastomer; TPE) (e.g., Thermoplastic Rubber (TPR) and Thermoplastic polyurethane elastomer (TPU)); the material of the slide frame 10 and the air inlet pipe 30 is, for example, but not limited to, plastic.
Further effects of the slide rail frame 10 and the guiding portion 31 are illustrated as follows: the slide rail frame 10 further has a pair of guiding portions 16, and the guiding portion 31 further has a pair of guiding surfaces 36, when the slide rail frame 10 is combined with the guiding portion 31, each guiding portion 16 can slide on each guiding surface 36 to guide each first protrusion 32 to be inserted into each rail 12.
The combination of the nasal cannula 20 and the slide rail frame 10 is illustrated as follows: the nasal cannula body 20 is combined with the slide rail frame 10 in an Injection molding (Injection molding) manner or an adhesion manner, the nasal cannula body 20 has a stopping portion 24, the stopping portion 24 can abut against a first rib 14 of the slide rail frame 10, and a second rib 15 of the slide rail frame 10 can be fixed to a groove 251 of the nasal cannula body 20, the groove 251 is adjacent to the elastic portion 21; the nasal catheter body 20 has a pair of side walls 26, and each guide portion 16 can be secured intermediate each side wall 26 and the flexible portion 21.
Further effects of the flow guide 31 are illustrated as follows: the flow guide portion 31 has a pair of upright wall surfaces 311, each upright wall surface 311 being located between each first projection 32 and each guide surface 36, each second positioning portion 33 being located on each upright wall surface 311; when the slide rail frame 10 is combined with the guiding portion 31, each second positioning portion 33 can slide on an inner side wall surface 161 of each guiding portion 16 until each second positioning portion 33 and each first positioning portion 11 achieve positioning.
The combining direction of the air inlet pipe 30 and the slide rail frame 10 is illustrated as follows: the two rails 12 of the slide rail frame 10 are symmetrically disposed, and the two first protrusions 32 of the guiding portion 31 are symmetrically disposed, so that the combining direction of the air inlet pipe 30 and the slide rail frame 10 can be rapidly changed (as shown in fig. 7 to 10); furthermore, the two first positioning portions 11 of the slide rail frame 10 are symmetrically disposed, and the two second positioning portions 33 of the guiding portion 31 are symmetrically disposed, so that the combining direction of the air inlet pipe 30 and the slide rail frame 10 can be rapidly changed (as shown in fig. 7 to 10); when the air inlet pipe 30 is coupled to the slide rail frame 10 in a first coupling direction, a connecting portion 37 of the air inlet pipe 30 can face a left direction L1 of the nasal cannula body 20, as shown in fig. 1, 7 and 8; when the air inlet pipe 30 is coupled to the slide rail frame 10 in a second coupling direction, the connecting portion 37 of the air inlet pipe 30 can face a right direction R1 of the nasal cannula body 20, as shown in fig. 2, 9 and 10.
Referring to fig. 12, additional components of the intake pipe 30 are illustrated as follows: the nasal catheter body 20 has a pair of extension pieces 28, each extension piece 28 can fix a lace fastener 29 (for example, each lace fastener 29 is inserted into the fixing hole 281 of each extension piece 28 by the T-shaped fixing post 291), and each lace fastener 29 has a plurality of lace holes 293 for passing a lace (not shown).
Referring to fig. 13, it is illustrated that the air inlet pipe 30 can be further connected to an air supply pipe assembly 40 as follows: a breathing tube 41 can be connected to the connecting portion 37 of the air inlet tube 30, and the connecting portion 37 of the air inlet tube 30 can face the left direction L1 or the right direction R1 of the nasal cannula 20, such that the extending direction of the breathing tube 40 can be the left direction L1 (see fig. 1, 7 and 8) or the right direction R1 (see fig. 2, 9 and 10) of the nasal cannula 20; in addition, the breathing tube 41 may further be connected to a tube connector 42.
The efficacy of the slide rail frame 10 is illustrated as follows: the two rails 12 of the slide rail frame 10 can limit the moving direction of the two first protrusions 32 of the guiding portion 31, so that the two first protrusions 32 of the guiding portion 31 can only slide synchronously along the rail direction S1 of the slide rail frame 10, and the guiding portion 31 is not easy to shift; therefore, when the breathing tube 41 is torn, the guiding portion 31 is not easily separated from the two rails 12 of the slide frame 10.
Claims (10)
1. A nasal cannula with a slide rail mechanism, the nasal cannula comprising:
a hard slide rail frame (10), wherein two sides of the slide rail frame (10) are respectively provided with a track (12), and the slide rail frame (10) is provided with a through hole (13);
a soft nasal catheter body (20), the nasal catheter body (20) is combined with the slide rail frame (10), the nasal catheter body (20) forms an elastic part (21) on the slide rail frame (10), the outer side of the elastic part (21) is provided with a pair of nasal tubes (22), the inner side of the elastic part (21) is provided with a sealing surface (25), and the sealing surface (25) is positioned in the through hole (13) of the slide rail frame (10);
a rigid air inlet pipe (30), wherein one side of the air inlet pipe (30) is provided with a flow guide part (31), and the flow guide part (31) is provided with a pair of first convex parts (32); wherein each first protrusion (32) can be inserted into each track (12), each nose tube (22) can be in fluid communication with an opening (34) of the flow guide part (31), a flange (35) of the opening (34) can abut against the sealing surface (25) so that the flow guide part (31) and the elastic part (21) can achieve air tightness, and the air inlet pipe fitting (30) can be quickly combined with the nasal catheter body (20) in a sliding manner along the track direction (S1) of the slide rail frame (10); when the first protrusions (32) exit the rails (12), the air inlet pipe (30) can be quickly separated from the nasal catheter body (20) in a sliding manner along the rail direction (S1) of the slide rail frame (10).
2. The nasal cannula with a track mechanism as claimed in claim 1, wherein each first protrusion (32) is formed with a curved surface, and each first protrusion (32) is easily inserted into each track (12) when the track frame (10) is combined with the guide portion (31).
3. The nasal cannula with the slide rail mechanism as claimed in claim 1, wherein the material of the nasal cannula body (20) is selected from silicone or Thermoplastic Elastomer (TPE).
4. The nasal catheter with a slide mechanism according to claim 1, wherein the slide frame (10) further has a pair of guide portions (16), and the guide portion (31) further has a pair of guide surfaces (36), each guide portion (16) being slidable on each guide surface (36) to guide each first protrusion (32) to be inserted into each track (12) when the slide frame (10) is coupled with the guide portion (31).
5. The nasal cannula with slide rail mechanism as claimed in claim 4, wherein the nasal cannula body (20) has a stop (24), the stop (24) is capable of abutting against a first rib (14) of the slide rail frame (10), and a second rib (15) of the slide rail frame (10) is capable of being fixed to a groove (251) of the nasal cannula body (20), the groove (251) is adjacent to the elastic portion (21); the nasal catheter body (20) has a pair of side walls (26), and each guide portion (16) is securable intermediate each side wall (26) and the resilient portion (21).
6. The nasal cannula with a slide mechanism according to claim 4, wherein the flow guide portion (31) has a pair of upright walls (311), each upright wall (311) being located intermediate each first protrusion (32) and each guide surface (36).
7. The nasal catheter with a sliding track mechanism as claimed in claim 1, wherein the two tracks (12) of the sliding track frame (10) are symmetrically disposed, and the two first protrusions (32) of the guiding portion (31) are symmetrically disposed, the coupling direction of the air inlet tube (30) and the sliding track frame (10) can be rapidly changed, so that a connecting portion (37) of the air inlet tube (30) can face a left direction (L1) or a right direction (R1) of the nasal catheter body (20).
8. The nasal cannula with a track mechanism as claimed in claim 1, wherein the nasal cannula body (20) has a pair of extension tabs (28), each extension tab (28) further securing a tether fastener (29), each tether fastener (29) having a plurality of tether holes (293).
9. The nasal catheter with sliding track mechanism according to claim 1, wherein the connecting portion (37) of the air inlet tube (30) is further connectable with a breathing tube (41), and the connecting portion (37) of the air inlet tube (30) can be oriented in a left direction (L1) or a right direction (R1) of the nasal catheter body (20) such that the extending direction of the breathing tube (41) can be the left direction (L1) or the right direction (R1) of the nasal catheter body (20).
10. The nasal catheter with a sliding track mechanism according to claim 1, wherein the connecting portion (37) of the air inlet tube (30) is further connectable with a breathing tube (41), and the breathing tube (41) is further connectable with a tube connector (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345290.1A CN108939242B (en) | 2018-04-17 | 2018-04-17 | Nasal catheter with slide rail mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345290.1A CN108939242B (en) | 2018-04-17 | 2018-04-17 | Nasal catheter with slide rail mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108939242A CN108939242A (en) | 2018-12-07 |
| CN108939242B true CN108939242B (en) | 2020-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345290.1A Active CN108939242B (en) | 2018-04-17 | 2018-04-17 | Nasal catheter with slide rail mechanism |
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| Country | Link |
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| CN (1) | CN108939242B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007053878A1 (en) * | 2005-11-08 | 2007-05-18 | Resmed Ltd | Nasal assembly |
| CN101432036A (en) * | 2004-08-31 | 2009-05-13 | 伊西康内外科公司 | Medical effector system |
| CN101468222A (en) * | 2003-02-21 | 2009-07-01 | 雷斯梅德有限公司 | Nasal assembly |
| CN102159273A (en) * | 2008-08-25 | 2011-08-17 | 皇家飞利浦电子股份有限公司 | Respiratory patient interfaces |
| US20120012114A1 (en) * | 2004-12-10 | 2012-01-19 | Respcare, Inc. | Hybrid ventilation mask with nasal interface and method for configuring such a mask |
| CN102791313A (en) * | 2010-03-08 | 2012-11-21 | 皇家飞利浦电子股份有限公司 | Patient interface device with cheekbone stabilization |
| CN202723126U (en) * | 2012-07-25 | 2013-02-13 | 三千金属工业股份有限公司 | Drawer slide rail linkage interlocking device |
| CN105102048A (en) * | 2013-03-15 | 2015-11-25 | 费雪派克医疗保健有限公司 | Nasal cannula assemblies and related parts |
| CN106714884A (en) * | 2014-06-18 | 2017-05-24 | 费雪派克医疗保健有限公司 | Patient interface and component parts |
-
2018
- 2018-04-17 CN CN201810345290.1A patent/CN108939242B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101468222A (en) * | 2003-02-21 | 2009-07-01 | 雷斯梅德有限公司 | Nasal assembly |
| CN101432036A (en) * | 2004-08-31 | 2009-05-13 | 伊西康内外科公司 | Medical effector system |
| US20120012114A1 (en) * | 2004-12-10 | 2012-01-19 | Respcare, Inc. | Hybrid ventilation mask with nasal interface and method for configuring such a mask |
| WO2007053878A1 (en) * | 2005-11-08 | 2007-05-18 | Resmed Ltd | Nasal assembly |
| CN102159273A (en) * | 2008-08-25 | 2011-08-17 | 皇家飞利浦电子股份有限公司 | Respiratory patient interfaces |
| CN102791313A (en) * | 2010-03-08 | 2012-11-21 | 皇家飞利浦电子股份有限公司 | Patient interface device with cheekbone stabilization |
| CN202723126U (en) * | 2012-07-25 | 2013-02-13 | 三千金属工业股份有限公司 | Drawer slide rail linkage interlocking device |
| CN105102048A (en) * | 2013-03-15 | 2015-11-25 | 费雪派克医疗保健有限公司 | Nasal cannula assemblies and related parts |
| CN106714884A (en) * | 2014-06-18 | 2017-05-24 | 费雪派克医疗保健有限公司 | Patient interface and component parts |
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| Publication number | Publication date |
|---|---|
| CN108939242A (en) | 2018-12-07 |
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