TWI826219B - Nasal pillow mask - Google Patents

Abstract

A nasal pillow type mask, the mask includes a mask body, a pivot seat and an elbow joint; the mask body has a nasal pillow cushion, the nasal pillow cushion has a nasal pillow air outlet, the pivot seat A connecting part is embedded in the mask body, the elbow joint has a ball-shaped pivot joint, the ball-shaped pivot joint has a joint air outlet, and the joint air outlet is fluidly connected to a joint air inlet; wherein the The pivot seat has a ball and socket portion. The spherical pivot portion of the elbow joint is pivotally connected to the ball socket portion of the pivot seat. The joint air outlet of the elbow joint is in fluid communication through the pivot hole. In the mask body, the ball socket portion of the pivot seat has a radially inwardly contracting edge to limit the relative rotation angle of the elbow joint and the pivot seat.

Description

Nasal pillow mask

The present invention relates to a nasal pillow mask, particularly a nasal pillow mask with an elbow. The mask body of the nasal pillow mask is provided with a pivot seat. The elbow joint is pivotally mounted on the pivot base, and the elbow joint can swing freely in any direction, that is, the elbow joint and the pivot base can freely rotate relative to each other.

The conventional technology is disclosed in the specification of US Patent No. US11219731B2. Please refer to Figures 31 to 39 of the patent document. An assembly (assembly 1010) may include a nasal respiratory interface (nasal respiratory interface 1100). , which includes a frame (frame 1110) that can be configured to be connected to a seal (seal clip 1130) for a nasal pillow (nasal pillow 1140), the nasal respiratory interface (nasal respiratory interface 1100) ) may also include a yoke (yoke 1150), the frame (frame 1110) may be configured to connect with the yoke (yoke 1150), and the nasal respiratory interface (nasal respiratory interface 1100) may also include a conduit connector (conduit connector) 1190), such as a gas delivery inlet, the conduit connector (conduit connector 1190) is configured to allow gas (e.g., the gas from a gas delivery conduit) to pass therethrough An opening (aperture 1113) of the frame (frame 1110) faces the nasal pillow (nasal pillow 1140).

The conventional technology patent family (Patent family) includes Australian Patent No. AU2017228220B2, European Union Patent No. EP3906958A1 and PCT Patent No. WO2017150990A1. The structure of this conventional technology is complex, and the conduit connector (conduit connector 1190) cannot swing freely in any direction, that is, the conduit connector (conduit connector 1190) and the frame (frame 1110) cannot freely rotate relative to each other. , the angle and position of the gas delivery conduit connected to the conduit connector (conduit connector 1190) cannot be adjusted. Therefore, there is still a need for improvement of this conventional technology.

The object of the present invention is to provide a nasal pillow type mask, which includes a soft material mask body, a plastic material pivot seat and a plastic material elbow joint; the mask body has a fixing hole, and the mask body It has a nasal pillow cushion, and the nasal pillow cushion has a nasal pillow air outlet; the pivot seat has a pivot hole, and a connecting portion of the pivot seat is embedded in the fixed hole of the mask body; the bend The pipe joint has a spherical pivot joint, the spherical pivot joint has a joint air outlet, and the joint air outlet is fluidly connected to a joint air inlet; wherein the pivot seat has a ball and socket part, and the elbow The ball-shaped pivot portion of the joint is pivoted to the ball socket portion of the pivot seat. The joint outlet of the elbow joint is fluidly connected to the mask body through the pivot hole. The ball socket of the pivot seat The portion has a radially retracted edge to limit the relative rotation angle of the elbow joint and the pivot seat.

Another object of the present invention is to provide a nasal pillow type mask, which includes a soft material mask body, a soft material pivot seat and a plastic material elbow joint; the mask body has a nasal pillow cushion , the nasal pillow cushion has a nasal pillow air outlet, and the nasal pillow cushion forms a cavity; the pivot seat has a pivot hole, and the pivot seat is integrally formed on the mask body; the elbow joint has a A ball-shaped pivot joint, the ball-shaped pivot joint has a joint air outlet, and the joint air outlet is fluidly connected to a joint air inlet; wherein the pivot joint seat has a ball socket portion, and the ball socket portion has a plurality of opening slots , to form a plurality of elastic clamping claws; the spherical pivot joint part of the elbow joint is pivotally connected to the plurality of elastic clamping claws of the ball socket part, and the joint air outlet of the elbow joint is fluidly connected to all the joints through the pivot hole. Describe the mask body.

The first advantage of the present invention is that the elbow joint can swing freely in any direction, that is, the elbow joint and the pivot seat can freely rotate relative to each other. When the elbow joint is connected to a gas delivery conduit , the angle and position of the gas delivery conduit can be adjusted through the elbow joint.

The second advantage of the present invention is that the spherical pivot joint of the elbow joint opens the plurality of elastic clamping claws through the plurality of opening slots, so that the spherical pivot joint is pivoted to or separated from the ball. Therefore, during use of the nasal pillow mask of the present invention, the user can separate the elbow joint from the front of the mask body to perform a short cleaning operation.

The third advantage of the present invention is that the nasal pillow mask of the present invention has the advantages of simplified structure and lower cost. In particular, the nasal pillow mask of the present invention is easy to disassemble and assemble, which can reduce the user's burden of cleaning and maintenance.

10:Mask body

11: Front end surface of mask body

12:Fixing hole

13: Nasal pillow cushion

130:Cavity

14: Nasal pillow vent

15: Positioning slot

16: First arc surface

17: Second arc surface

171:Third arc surface

18: Interface Department

19:Lug pull tab

191: Hook

a1: the first included angle

a2: the second included angle

a3: The third included angle

20: Pivot base

21: Pivot hole

22:Connection part

221:Outer edge of the connection part

23: Ball and socket part

231: The axis of the ball and socket part

24: Radially retracted edge

25: Positioning rib

26:Diffuse curved face

261: One end of diffused curved surface

262: Diffuse the other end of the curved surface

27: Open slot

28:Elastic clamp jaw

29:Fixed disk

30:Elbow joint

31: The front end of the elbow joint

32: Ball pivot joint

33: Connector air outlet

34: End of elbow joint

35: Joint air inlet

36:Vent hole

40:among those who are sick

41:Patient’s nose

42:Patient’s nose

[Figure 1] is a schematic three-dimensional view of a preferred embodiment of the present invention.

[Fig. 2] is another three-dimensional schematic diagram of a preferred embodiment of the present invention.

[Fig. 3] is a three-dimensional exploded schematic diagram of a preferred embodiment of the present invention.

[Fig. 4] is a three-dimensional cross-sectional view of the pivot base according to the preferred embodiment of the present invention.

[Figure 5] is another three-dimensional cross-sectional view of the pivot base according to the preferred embodiment of the present invention.

[Fig. 6] is a three-dimensional cross-sectional view of the elbow joint according to the preferred embodiment of the present invention.

[Figure 7] is a schematic diagram of a brief cleaning operation according to the preferred embodiment of the present invention.

[Fig. 8] is a cross-sectional view taken along line A-A in Fig. 1.

[Figure 9] is a schematic diagram of the first operation of the elbow joint according to the preferred embodiment of the present invention.

[Figure 10] is a schematic diagram of the second operation of the elbow joint according to the preferred embodiment of the present invention.

[Fig. 11] is a cross-sectional view taken along line B-B in Fig. 1.

[Fig. 12] is a C-C cross-sectional view of Fig. 1.

[Figure 13] is a schematic diagram of the third operation of the elbow joint according to the preferred embodiment of the present invention.

[Figure 14] is a schematic diagram of the fourth operation of the elbow joint according to the preferred embodiment of the present invention.

[Figure 15] is a schematic diagram of the use state of the preferred embodiment of the present invention.

[Figure 16] is a schematic three-dimensional view of a preferred embodiment of the present invention.

[Fig. 17] is a three-dimensional exploded schematic diagram of a preferred embodiment of the present invention.

[Fig. 18] is a D-D cross-sectional view of Fig. 16.

[Fig. 19] is a cross-sectional view taken along line E-E in Fig. 16.

In order to further understand the characteristics, technical means, and specific functions and objectives of the present invention, more specific embodiments are enumerated, followed by detailed descriptions using drawing numbers.

Please refer to FIGS. 1 to 8 . In a preferred embodiment, the nasal pillow mask of the present invention includes a mask body 10 made of soft material, a pivot seat 20 made of plastic material, and an elbow joint 30 made of plastic material. ; A front end surface 11 of the mask body 10 has a fixed hole 12. The mask body 10 is integrally formed with a nasal pillow cushion 13. The nasal pillow cushion 13 has a nasal pillow air outlet 14; the pivot seat 20 has a The pivot hole 21, the pivot seat 20 is integrally formed with a connecting portion 22, the connecting portion 22 of the pivot seat 20 is embedded in the fixing hole 12 of the mask body 10; a front end 31 of the elbow joint 30 has a The spherical pivot joint 32 has a joint air outlet 33. An end 34 of the elbow joint 30 has a joint air inlet 35. The joint air outlet 33 is fluidly connected to the joint air inlet. 35; wherein the pivot seat 20 has a ball socket portion 23, the ball socket portion 23 is fluidly connected to the pivot hole 21 of the pivot seat 20, and the spherical pivot portion 32 of the elbow joint 30 is pivoted In the ball and socket portion 23 of the pivot seat 20, the joint outlet hole 33 of the elbow joint 30 is fluidly connected to the mask body 10 through the pivot hole 21. The ball socket portion 23 of the pivot seat 20 It has a radially retracted edge 24 to limit the relative rotation angle of the elbow joint 30 and the pivot base 20 . Furthermore, the soft material of the mask body 10 is, for example, but not limited to: silicone (Silicone), and the plastic material of the pivot seat 20 and the elbow joint 30 is, for example, but is not limited to: polycarbonate (PC). Or Polysalfone (PSF). In addition, the elbow joint 30 may further have a plurality of ventilation holes (36).

Please refer to Figure 5, Figure 8 and Figure 12 to illustrate the airflow diffusion mode of the mask body 10: the inner side of the connecting portion 22 of the pivot base 20 has a diffusion curved surface 26, one end of the diffusion curved surface 26 The portion 261 is connected to the pivot hole 21 of the pivot seat 20, and the other end 262 of the diffusion curved portion 26 is connected to an outer edge 221 of the connecting portion 22; the joint air outlet 33 of the spherical pivot portion 32 is connected to the The pivot hole 21 of the pivot seat 20 has a smaller cross-sectional area, and the cross-sectional area of the diffusion curved portion 26 gradually expands; when an airflow passes from the elbow joint 30 through the pivot seat 20 and enters the mask body At 10 o'clock, the airflow diffuses along the diffusion curved surface 26 to the nasal pillow air outlet 14 of the nasal pillow cushion 13. The airflow supports the shape of the nasal pillow cushion 13, so that the nasal pillow cushion 13 fits as closely as possible. The patient's nose (not shown).

Please refer to Figure 4, Figure 5 and Figure 11 to illustrate the positioning method of the pivot seat 20 and the mask body 10: the fixing hole 12 of the mask body 10 has a positioning groove 15, and the pivot seat 20 has a positioning groove 15. The connecting part 22 of the base 20 has a positioning rib 25; when the connecting part 22 of the pivot base 20 is embedded in the fixing hole 12 of the mask body 10, the positioning rib 25 is embedded in the positioning groove 15 to avoid The pivot base 20 and the mask body 10 rotate relative to each other.

Please refer to FIGS. 1 to 8 to illustrate the quick-release functions of the pivot base 20 and the elbow joint 30 : the ball socket portion 23 of the pivot base 20 has a plurality of opening grooves 27 to form a plurality of open grooves 27 . Elastic clamping claws 28; the spherical pivot joint 32 of the elbow joint 30 opens the plurality of elastic clamping claws 28 through the plurality of opening slots 27, so that the spherical pivot joint 32 is pivoted to or separated from the ball. Nest 23. During use of the nasal pillow mask of the present invention, the user can separate the elbow joint 30 from the front of the mask body 10 to Perform a brief cleaning operation (as shown in Figure 7).

Please refer to Figures 1 to 8 to illustrate the auxiliary fixing methods of the pivot base 20 and the mask body 10: the connecting portion 22 of the pivot base 20 is integrally formed with a fixed plate 29, and the connecting portion 22 Having an outer edge 221 , the pivot base 20 clamps the mask body 10 through the fixing plate 29 and the outer edge 221 . The fixing plate 29 resists the front end surface 11 of the mask body 10 .

Please refer to Figures 8 to 10 to illustrate the operation mode of the elbow joint 30: the ball pivot portion 32 of the elbow joint 30 is pivoted to the ball socket portion 23 of the pivot seat 20, The elbow joint 30 can swing freely in any direction, that is, the elbow joint 30 and the pivot base 20 can freely rotate relative to each other. For example, the elbow joint 30 can rotate axially along the axis 231 of the ball socket 23 (as shown in FIG. 8 ), and the elbow joint 30 can deflect laterally relative to the ball socket 23 . A radially inward edge 24 of the socket portion 23 limits the lateral deflection angle of the elbow joint 30 to the right (as shown in FIG. 9 ), and a radially inward edge 24 of the ball socket portion 23 limits the bend. The pipe joint 30 is deflected laterally to the left (as shown in Figure 10).

Please refer to Figures 12 to 14 to illustrate another action mode of the elbow joint 30: the elbow joint 30 can be longitudinally deflected relative to the ball socket portion 23 (as shown in Figure 12). A radially inward edge 24 of the socket portion 23 limits the upward longitudinal deflection angle of the elbow joint 30 (as shown in FIG. 13 ), and a radially inward edge 24 of the ball socket portion 23 limits the upward longitudinal deflection angle of the elbow joint 30 . The angle of longitudinal deflection of the elbow joint 30 is downward (as shown in Figure 14).

Please refer to Figures 1 to 8 for an enumeration of the mask body 10 The structure of the mask body 10 is as follows: the front end surface 11 of the mask body 10 extends a first arc surface 16 to both sides, and the nasal pillow air outlet 14 of the nasal pillow cushion 13 extends a second arc surface to both sides. Each first arc-shaped surface 16 and each second arc-shaped surface 17 have a connecting portion 18 in the middle, so that the nasal pillow cushion 13 forms a cavity 130 .

Please refer to Figures 1, 2, 8 and 11 to illustrate the structure of the cavity 130: the two first arcuate surfaces 16 form a first included angle a1, and the two second arcuate surfaces 16 form a first included angle a1. 17 forms a second included angle a2, and the second included angle a2 is greater than the first included angle a1 to increase the space of the cavity 130 (as shown in FIG. 8). Furthermore, the nasal pillow cushion 13 of the mask body 10 forms a third arc-shaped surface 171 on the bottom side, and the nasal pillow cushion 13 fits the patient's philtrum through the third arc-shaped surface 171. Philtrum)40 (shown in Figure 11).

Please refer to Figure 1, Figure 2, Figure 8 and Figure 15 to illustrate the wearing method of the nasal pillow type mask: there is a lug pull tab 19 between each first arc surface 16 and each connecting portion 18. The two lug pull tabs 19 form a third included angle a3, and the third included angle a3 is greater than or equal to the first included angle a1 to maintain the arc shape of the two first arc-shaped surfaces 16 and avoid causing the two first arc-shaped surfaces 16 to form an arc. Deformation of an arcuate surface 16. When the nasal pillow-type mask is worn on a patient, the user uses the two lug pull tabs 19 to apply a pulling force to the mask body 10, and the nasal pillow cushion 13 of the mask body 10 fits the patient. The affected nose lobule (Alar lobule) 41 and nose tip (Tip) 42. Furthermore, each lug pull tab 19 further has a hook 191 for connecting a strap (not shown in the figure).

Please refer to Figures 16 to 19. In the second embodiment, the nasal pillow mask of the present invention includes a soft material mask body 10, a soft material The pivot seat 20 and a plastic elbow joint 30; the mask body 10 has a nasal pillow cushion 13, the nasal pillow cushion 13 has a nasal pillow air outlet 14, and the nasal pillow cushion 13 forms a cavity 130 ; The pivot seat 20 has a pivot hole 21, and the pivot seat 20 is integrally formed on the mask body 10; a front end 31 of the elbow joint 30 has a spherical pivot portion 32, which is The portion 32 has a joint air outlet hole 33, and an end 34 of the elbow joint 30 has a joint air inlet hole 35. The joint air outlet hole 33 is fluidly connected to the joint air inlet hole 35; wherein the pivot seat 20 has a ball. The socket portion 23 is fluidly connected to the pivot hole 21 of the pivot seat 20 . The socket portion 23 has a plurality of opening slots 27 to form a plurality of elastic clamping claws 28 ; the ball of the elbow joint 30 The pivot joint part 32 is pivoted to the plurality of elastic clamping claws 28 of the ball socket part 23, and the joint outlet hole 33 of the elbow joint 30 is fluidly connected to the mask body 10 through the pivot joint hole 21.

Please refer to Figures 16 and 18. In the second embodiment, the mask body 10 has a first arc surface 16 and a second arc surface 17 on both sides. The two first arc surfaces 16 forms a first included angle a1, and the two second arc-shaped surfaces 17 form a second included angle a2, and the second included angle a2 is greater than the first included angle a1; both sides of the mask body 10 have a lug pull tab 19. The two lug pull tabs 19 form a third included angle a3, and the third included angle a3 is greater than or equal to the first included angle a1.

10:Mask body

13: Nasal pillow cushion

16: First arc surface

18: Interface Department

19:Lug pull tab

20: Pivot base

23: Ball and socket part

27: Open slot

28:Elastic clamp jaw

30:Elbow joint

32: Ball pivot joint

36:Vent hole

Claims (10)

A nasal pillow type mask, the mask includes: A mask body (10) made of soft material. A front end surface (11) of the mask body (10) has a fixing hole (12). The mask body (10) is integrally formed with a nasal pillow cushion (13). The pillow cushion (13) has a nasal pillow air outlet (14); A pivot seat (20) made of plastic material. The pivot seat (20) has a pivot hole (21). The pivot seat (20) is integrally formed with a connecting portion (22). The pivot seat (20) The connecting portion (22) is embedded in the fixing hole (12) of the mask body (10); An elbow joint (30) made of plastic material. A front end (31) of the elbow joint (30) has a spherical pivot joint (32). The spherical pivot joint (32) has a joint air outlet ( 33), one end (34) of the elbow joint (30) has a joint air inlet (35), and the joint air outlet (33) is fluidly connected to the joint air inlet (35); The pivot seat (20) has a ball and socket portion (23), and the ball and socket portion (23) is fluidly connected to the pivot hole (21) of the pivot seat (20). The elbow joint (30) ) is pivotally connected to the ball socket portion (23) of the pivot seat (20), and the joint air outlet (33) of the elbow joint (30) passes through the pivot hole (21) Fluid communication with the mask body (10), the ball and socket portion (23) of the pivot seat (20) has a radially inwardly retracted edge (24) to limit the elbow joint (30) The relative rotation angle with the pivot base (20). The nasal pillow mask according to claim 1, wherein the inner side of the connecting part (22) of the pivot seat (20) has a diffusion curved surface (26), and one end (261) of the diffusion curved surface (26) connects The pivot hole (21) of the pivot seat (20), The other end (262) of the diffusion curved portion (26) is connected to an outer edge (221) of the connecting portion (22). The nasal pillow mask of claim 1, wherein the fixing hole (12) of the mask body (10) has a positioning groove (15), and the connecting portion (22) of the pivot seat (20) has a positioning groove (15). The positioning rib (25) is embedded in the positioning groove (15) to prevent relative rotation between the pivot seat (20) and the mask body (10). The nasal pillow mask of claim 1, wherein the ball and socket portion (23) of the pivot seat (20) has a plurality of open slots (27) to form a plurality of elastic clamping claws (28); the elbow joint The ball-shaped pivot part (32) of (30) spreads the plurality of elastic clamping claws (28) through the plurality of opening slots (27), so that the ball-shaped pivot part (32) is pivoted to or separated from the ball. Nest (23). The nasal pillow type mask of claim 1, wherein the connecting portion (22) of the pivot seat (20) is integrally formed with a fixed plate (29), and the connecting portion (22) has an outer edge (221), so The pivot seat (20) clamps the mask body (10) through the fixed plate (29) and the outer edge (221). The fixed plate (29) resists the front end surface (10) of the mask body (10). 11). The nasal pillow type mask according to claim 1, wherein the front end surface (11) of the mask body (10) extends a first arc surface (16) to both sides, and the nasal pillow cushion (13) The nasal pillow air outlet (14) extends a second arc-shaped surface (17) to both sides, and each first arc-shaped surface (16) and each second arc-shaped surface (17) have a connecting portion (18) in the middle. ), so that the nasal pillow cushion (13) forms a cavity (130). The nasal pillow mask of claim 6, wherein the two first arc-shaped surfaces (16) form a first included angle (a1), and the two second arc-shaped surfaces (17) form a second included angle (a2) ), the second included angle (a2) is greater than the first included angle (a1) to increase the space of the cavity (130); the nasal pillow cushion (13) of the mask body (10) forms a first Three curved surfaces (171). The nasal pillow mask of claim 7, wherein each first arc-shaped surface (16) and each connecting portion (18) have a lug pull tab (19) between them, and the two lug tabs (19) form a A third included angle (a3), the third included angle (a3) is greater than or equal to the first included angle (a1), so as to maintain the arc shape of the two first arc-shaped surfaces (16) and avoid causing the two first arc-shaped surfaces (16) to Deformation of arc surface (16). A nasal pillow type mask, the mask includes: A mask body (10) made of soft material. The mask body (10) has a nasal pillow cushion (13). The nasal pillow cushion (13) has a nasal pillow air outlet (14). The nasal pillow cushion (14) 13) Form a cavity (130); A pivot seat (20) made of soft material. The pivot seat (20) has a pivot hole (21). The pivot seat (20) is integrally formed on the mask body (10); An elbow joint (30) made of plastic material. A front end (31) of the elbow joint (30) has a spherical pivot joint (32). The spherical pivot joint (32) has a joint air outlet ( 33), one end (34) of the elbow joint (30) has a joint air inlet (35), and the joint air outlet (33) is fluidly connected to the joint air inlet (35); The pivot seat (20) has a ball and socket portion (23), and the ball and socket portion (23) is fluidly connected to the pivot hole (21) of the pivot seat (20). The ball and socket portion (23) have A plurality of opening slots (27) are formed to form a plurality of elastic clamping claws (28); the spherical pivot joint (32) of the elbow joint (30) is pivotally connected to the plurality of elastic clamping claws (23) of the ball socket part (23). 28), the joint outlet hole (33) of the elbow joint (30) is fluidly connected to the mask body (10) through the pivot hole (21). The nasal pillow mask of claim 9, wherein the two sides of the mask body (10) have a first arc surface (16) and a second arc surface (17), and the two first arc surfaces The surface (16) forms a first included angle (a1), and the two second arc-shaped surfaces (17) form a second included angle (a2), and the second included angle (a2) is greater than the first included angle (a1); so There is a lug pull tab (19) on both sides of the mask body (10), and the two lug pull tabs (19) form a third included angle (a3), and the third included angle (a3) is greater than or equal to the third included angle (a3). An included angle (a1).

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