TWI808429B - Feeding conduit assembly having capability for a separable function and a sealable function - Google Patents

Abstract

A feeding catheter combination with separable and sealable functions, the feeding catheter combination includes a main catheter and an auxiliary catheter; the front end of the main catheter has a plurality of conveying holes, the tail end of the main catheter is provided with a socket, the front end of the auxiliary catheter is provided with a feeding adapter, and the tail end of the auxiliary catheter is provided with a plug; wherein the socket has a first accessory cover, the plug has a second accessory cover, and the feeding adapter has a third accessory cover; when the socket is combined with the plug, the first accessory cover and the second accessory cover can be mutually sealed. The plug is in fluid communication with the socket; when the socket is separated from the plug, the first accessory cover and the socket can seal each other, and the second accessory cover and the plug can seal each other.

Description

Feeding catheter combination with detachable function and sealable function

The present invention relates to a feeding conduit, especially a feeding conduit assembly with separable and sealable functions. It has a primary conduit and a secondary conduit. The primary conduit is provided with a socket, and the secondary conduit is provided with a plug. When the socket is combined with the plug, the secondary conduit is in fluid communication with the primary conduit, and the socket The accessory cover of the socket and the accessory cover of the plug can be combined with each other; when the socket is separated from the plug, the accessory cover of the socket can seal the socket and the accessory cover of the plug can seal the plug.

Known technology such as US20080183153A1 early published patent, the main disclosed technology is an enteral feeding tube connector (Enteral feeding tube connector), please refer to the 3rd and 8th figures of this known technology patent, the connector (20) includes a main body (22) and a cover (36), and the main body (22) defines a passage therethrough; wherein the main body (22) has an inlet section (24) And the outlet section (28), the outlet section (28) is connected with an extension tube (60), the extension tube (60) is inserted into the stomach through the patient's esophagus orally or through the nose, and is used to deliver liquid into the patient's stomach.

The patent family of the known technology includes Canadian Patent No. CA2576558A1. The connector (20) can further be equipped with a connector nozzle (62), the connector nozzle (62) includes a main body (64), the main body (64) is a hollow cylindrical delivery end (66), used to deliver the liquid into the inlet section (24) of the connector (20), and the liquid enters the patient's stomach through the extension tube (60). During the use of this prior art, the cover (36) is exposed to the environment, and the cover (36) may be polluted or polluted by the environment. When the connector nozzle (62) is detached from the connector (20), the connector nozzle (62) is exposed to the environment, and the connector nozzle (62) is also likely to be polluted or polluted by the environment. Therefore, this prior art still needs to be improved.

The object of the present invention is to provide a feeding catheter combination with separable and sealable functions. The feeding catheter combination includes a main catheter and an auxiliary catheter; the front end of the main catheter has a plurality of delivery holes, the tail end of the main catheter is provided with a socket, the front end of the auxiliary catheter is provided with a feeding adapter, and the tail end of the auxiliary catheter is provided with a plug; wherein the socket has a first accessory cover, the plug has a second accessory cover, and the feeding adapter has a third accessory cover; when the socket is combined with the plug, the first accessory cover and the second accessory The covers are mutually sealable, and the plug is in fluid communication with the socket; when the socket is separated from the plug, the first accessory cover and the socket are mutually sealable, and the second accessory cover and the plug are mutually sealable.

The advantage of the present invention (1) is that when the socket is combined with the plug, the first accessory cover and the second accessory cover can be sealed to each other, so as to prevent the first accessory cover and the second accessory cover from being polluted or polluted by the environment.

Effect (2) of the gain of the present invention is that when the socket is separated from the plug, the first accessory cover and the socket can be sealed to each other, and the second accessory cover and the plug can be sealed to each other, so as to prevent the socket and the plug from being polluted or polluted by the environment.

The effect (3) of the gain of the present invention is that the socket has a pair of socket lugs as a stopper (Stopper) to prevent the socket from completely entering the patient's nose. Furthermore, the user pinches the socket lugs with his fingers and rotates relative to the plug, so that the plug can be easily separated from the socket.

10: Main conduit

11: The front end of the main conduit

12: Tail end of main conduit

13: Delivery hole

20: socket

21: ring column

22: socket end

23:Socket lug

24: Outer annular groove

25: Positioning concave part

26: socket hole

27: socket channel

28: external thread

30: Auxiliary catheter

31: Front end of auxiliary catheter

32: Tail end of auxiliary catheter

40: Feeding Adapter

41:Inlet for feeding adapter

50: plug

50a: Plug base

50b: Nut

51: Hollow cylinder

52: Plug end

521: tapered convex part

53: Plug lug

54: Inner circular rib

55: Inner circular groove

56:Elastic hook

57: Annular cone

58: internal thread

59: Disc Department

60: First accessory cover

61: The first cover

62: socket fixing ring

63: Extension piece

64: stopper

65: Positioning convex part

70:Second accessory cover

71: Second cover

72: Plug fixing ring

73: Extension piece

74: hat part

80: The third accessory cover

81: The third cover

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

[FIG. 2] is a sectional view taken along line A-A of FIG. 1. [FIG.

[Fig. 3] is a partial perspective view of the main conduit of the preferred embodiment of the present invention.

[Fig. 4] is a three-dimensional exploded view of the main conduit of the preferred embodiment of the present invention.

[Fig. 5] is a three-dimensional schematic diagram of the main conduit of the preferred embodiment of the present invention.

[FIG. 6] is a B-B sectional view of FIG. 3.

[ Fig. 7 ] A diagram showing the sealing state of the main conduits in the preferred embodiment of the present invention.

[Fig. 8] is a partial perspective view of the auxiliary catheter of the preferred embodiment of the present invention.

[Fig. 9] is a three-dimensional exploded view of the auxiliary catheter of the preferred embodiment of the present invention.

[FIG. 10] is a three-dimensional schematic diagram of an auxiliary catheter in a preferred embodiment of the present invention.

[FIG. 11] is a C-C sectional view of FIG. 8.

[FIG. 12] A diagram showing the sealing state of the auxiliary catheter in the preferred embodiment of the present invention.

[FIG. 13] is a schematic perspective view of the second embodiment of the present invention.

[FIG. 14] is a D-D sectional view of FIG. 13.

[FIG. 15] is a partial perspective view of the main conduit of the second embodiment of the present invention.

[FIG. 16] is an exploded perspective view of the main conduit of the second embodiment of the present invention.

[FIG. 17] is a three-dimensional schematic view of the main conduit of the second embodiment of the present invention.

[FIG. 18] It is a sectional view of E-E of FIG. 15.

[FIG. 19] A diagram showing the sealed state of the main conduits in the second embodiment of the present invention.

[FIG. 20] is a partial perspective view of an auxiliary catheter according to a second embodiment of the present invention.

[FIG. 21] is an exploded perspective view of an auxiliary catheter according to a second embodiment of the present invention.

[Fig. 22] is a three-dimensional schematic view of the auxiliary catheter in a preferred embodiment of the present invention.

[FIG. 23] is a sectional view taken along line F-F of FIG. 20.

[ Fig. 24 ] A diagram showing the sealed state of the auxiliary catheter according to the second embodiment of the present invention.

In order to further understand the features, technical means, and achieved specific functions and objectives of the present invention, more specific embodiments are listed hereafter, followed by detailed descriptions of drawings and figures as follows.

1 to 12, in a preferred embodiment, the present invention has a separable and sealable feeding conduit combination comprising a main conduit 10, a socket 20, an auxiliary conduit 30, a plug 50, a first accessory cover 60, a second accessory cover 70 and a third accessory cover 80; The tail end 12 of the main conduit 10, and the annular post 21 is in fluid communication with the main conduit 10; the front end 31 of the auxiliary conduit 30 is provided with a feeding adapter 40, the auxiliary conduit 30 is fluidly connected to the feeding adapter 40, the plug 50 has a hollow cylinder 51 and a plug tail end 52, the plug tail end 52 is fixed to the tail end 32 of the auxiliary conduit 30, and the hollow cylinder 51 is fluidly connected to the auxiliary conduit 30; the first accessory cover 60 has a first cover 61, and the first accessory cover 60 is arranged on the socket 20; the second accessory cover 70 has a second cover 71, and the second accessory cover 70 is arranged on The plug 50; the third accessory cover 80 has a third cover 81, and the third accessory cover 80 is arranged on the feeding adapter 40; wherein the first cover 61 and the second cover 71 can be sealed to each other, so as to avoid the first cover 61 and the second cover 71 from being polluted or polluted by the environment (as shown in Figures 1 and 2), the third cover 81 and the feeding adapter 40 can be sealed to each other (for example: the third cover 81 can seal the inlet 41 of the feeding adapter 40), to avoid the third The cover body 81 and the feeding adapter 40 are polluted or polluted by the environment; when the socket 20 is combined with the plug 50, the hollow cylinder 51 can be inserted into the annular column 21 to combine the socket 20 and the plug 50, so that the plug 50 is fluidly connected to the socket 20, and the auxiliary conduit 30 is fluidly connected to the main conduit 10 (as shown in FIGS. 1 and 2 ); 7), the second cover 71 and the plug 50 can be sealed to each other (as shown in FIG. 10 and FIG. 12 ), so as to prevent the socket 20 and the plug 50 from being polluted or polluted by the environment.

The effects gained by the socket 20 and the plug 50 are illustrated: the socket 20 has a pair of socket lugs 23 as stoppers to prevent the socket 20 from completely entering the patient's nose; moreover, the user pinches the socket lugs 23 with fingers and rotates relative to the plug 50 to make the plug 50 easy to disengage from the socket 20. In addition, the The plug 50 has a pair of plug lugs 53 , the user pinches the socket lugs 23 with fingers and rotates relative to the plug lugs 53 , so that the hollow cylinder 51 can be more easily disengaged from the annular column 21 , and the socket 20 and the plug 50 can be separated easily. The material of the socket 20 can be selected from silicon material, polyvinyl chloride (PVC) material or polypropylene (PP) material.

The fixing method of the socket 20 and the plug 50 is illustrated as follows: the annular post 21 has an outer annular groove 24 (as shown in Figure 4 and Figure 6 ), the plug 50 has a plug base 50a, the plug base 50a has an inner annular rib 54, the hollow cylinder 51 and the plug base 50a form an inner annular groove 55 (as shown in Figure 9 and Figure 11 ); when the socket 20 is combined with the plug 50, the inner annular rib 54 is embedded in the outer annular groove 24 to form a snap Solid state (as shown in Figure 1 and Figure 2).

The combination of the main conduit 10 and the socket 20 is illustrated as follows: the socket 20 is overmolded on the tail end 12 of the main conduit 10 (as shown in FIGS. 3 and 6 ) to form a primary conduit assembly.

Enumerate and illustrate the combination of the auxiliary conduit 30 and the plug 50: the plug 50 is fixed to the tail end 32 of the auxiliary conduit 30 (as shown in FIGS. 8 and 11 ) in a tightly fitting manner to form an auxiliary conduit assembly (for example: the plug tail end 52 has a tapered convex portion 521 to increase the tight fit between the plug tail end 52 and the auxiliary conduit 30).

The combination of the first accessory cover 60 and the socket 20 is illustrated as follows: the first accessory cover 60 further has a socket fixing ring 62 to be fixed on the annular column 21, and the first cover 61 is connected to the socket fixing ring 62 by an extension piece 63 (as shown in FIGS. 3 and 6 ).

Enumerate and illustrate the fluid communication mode of the socket 20 and the plug 50: the annular column 21 further has a socket hole 26, and the socket tail end 22 has a socket channel 27, and the socket hole 26 is fluidly connected to the main conduit 10 through the socket channel 27; Furthermore, the plug tail end 52 has a plug channel 520 , and the hollow cylinder 51 is in fluid communication with the auxiliary conduit 30 through the plug channel 520 (as shown in FIG. 2 , FIG. 11 and FIG. 12 ).

Enumerate and illustrate the sealing method between the first accessory cover 60 and the socket 20: the first cover 61 has a plug 64 and at least one positioning protrusion 65, and the annular column 21 has at least one positioning recess 25; when the first cover 61 seals the socket 20, the plug 64 is inserted into the socket hole 26 to form a sealed state, and the positioning protrusion 65 is embedded in the positioning recess 25 to form a positioning state (as shown in Figures 3, 6 and 7).

The combination of the second accessory cover 70 and the plug 50 is illustrated as follows: the second accessory cover 70 further has a plug fixing ring 72 to be fixed on the plug tail end 52, and the second cover 71 is connected to the plug fixing ring 72 by an extension piece 73 (as shown in FIGS. 8 and 11 ).

Enumerate the sealing method between the second accessory cover 70 and the plug 50: the second cover 71 has a cap 74 and an opening 75; when the second cover 71 seals the plug 50, the hollow cylinder 51 is inserted into the cap 74 through the opening 75 to form a sealed state; when the socket 20 is combined with the plug 50, the plug 64 is inserted into the cap 74 to form a sealed state (as shown in FIGS.

13 to 24, the second embodiment of the present invention is substantially the same as the preferred embodiment, except that the feeding catheter assembly further includes a locking structure, the socket 20 and the plug 50 can be locked to each other, for example: the annular post 21 has an external thread 28, the plug 50 has a nut 50b, and the nut 50b has an internal thread 58; wherein the nut 50b has a plurality of elastic hooks 56 inside, and the hollow cylinder 51 has an annular cone 57 and a disc portion 59; when the nut 50b is combined with the hollow cylinder 51, after the plurality of elastic hooks 56 slide over the annular cone portion 57, the plurality of elastic hooks 56 are limited between the annular cone portion 57 and the disc portion 59; when the socket 20 is combined with the plug 50, the internal thread 58 of the nut 50b can be locked on the external thread 28 of the annular column 21, so that the socket 20 and the plug 50 are locked to each other .

10: Main conduit

12: Tail end of main conduit

20: socket

22: socket end

23:Socket lug

30: Auxiliary catheter

32: Tail end of auxiliary catheter

50: plug

50a: Plug base

53: Plug lug

60: First accessory cover

61: The first cover

63: Extension piece

70:Second accessory cover

71: Second cover

73: Extension piece

74: hat part

Claims (10)

A feeding conduit assembly with separable and sealable functions, the feeding conduit assembly comprising: a main conduit (10), the tube wall of the front end (11) of the main conduit (10) having a plurality of delivery holes (13); a socket (20), having an annular post (21) and a socket tail end (22), the socket tail end (22) being fixed to the tail end (12) of the main conduit (10), and the annular post (21) being in fluid communication with the main conduit ( 10); an auxiliary conduit (30), the front end (31) of the auxiliary conduit (30) is provided with a feeding adapter (40), and the auxiliary conduit (30) is fluidly connected to the feeding adapter (40); a plug (50) has a hollow cylinder (51) and a plug tail end (52), the plug tail end (52) is fixed to the tail end (32) of the auxiliary conduit (30), and the hollow cylinder (51) is fluidly connected to the auxiliary conduit (30) ); a first accessory cover (60), having a first cover body (61), the first accessory cover (60) being arranged on the socket (20); a second accessory cover (70), having a second cover body (71), the second accessory cover (70) being arranged on the plug (50); a third accessory cover (80), having a third cover body (81), the third accessory cover (80) being arranged on the feeding adapter (40); wherein the first cover body (61) and the The second cover (71) can be sealed to each other to prevent the first cover (61) and the second cover (71) from being polluted or polluted by the environment environment, the third cover (81) and the feeding adapter (40) can be sealed to each other, so as to prevent the third cover (81) and the feeding adapter (40) from being polluted by the environment or from polluting the environment; when the socket (20) is combined with the plug (50), the hollow cylinder (51) can be inserted into the annular post (21) to combine the socket (20) and the plug (50), so that the plug (50) is in fluid communication with the socket (20), the auxiliary conduit (30 ) is fluidly connected to the main conduit (10); when the socket (20) is separated from the plug (50), the first cover (61) and the socket (20) can be sealed to each other, and the second cover (71) and the plug (50) can be sealed to each other, so as to prevent the socket (20) and the plug (50) from being polluted or polluted by the environment. The feeding catheter combination with separable function and sealable function as described in claim item 1, wherein the socket (20) has a pair of socket lugs (23), and the plug (50) has a pair of plug lugs (53); when the socket (20) is separated from the plug (50), the user pinches the socket lugs (23) with fingers and rotates relative to the plug lugs (53), so that the hollow cylinder (51) is easy to break away from the ring column (21). The feeding catheter combination with separable function and sealable function as described in claim 1, wherein the annular post (21) has an outer annular groove (24), the plug (50) has a plug base (50a), the plug base (50a) has an inner annular rib (54), and the hollow cylinder (51) and the plug base (50a) form an inner annular groove (55); when the socket (20) is combined with the plug (50), the inner annular rib (54) ) is embedded in the outer annular groove (24) to form a clamped state. The feeding catheter combination with separable function and sealable function as described in claim 1, wherein the socket (20) is formed on the tail end (12) of the main catheter (10) by overmolding, and the plug (50) is fixed on the tail end (32) of the auxiliary catheter (30) in a tight fit. The feeding catheter combination with separable function and sealable function as described in claim 1, wherein the first accessory cover (60) has a socket fixing ring (62) to be fixed on the annular column (21), and the first cover (61) is connected to the socket fixing ring (62) by an extension piece (63). The feeding catheter combination with separable function and sealable function as described in claim item 5, wherein the annular column (21) has a socket hole (26), and the socket tail end (22) has a socket channel (27), and the socket hole (26) is in fluid communication with the main conduit (10) through the socket channel (27); when the socket (20) is combined with the plug (50), the hollow cylinder (51) is inserted into the socket hole (26), and the hollow cylinder (51) The fluid is connected to the socket channel (27); the plug tail end (52) has a plug channel (520), and the hollow cylinder (51) is in fluid communication with the auxiliary conduit (30) through the plug channel (520). The feeding catheter combination with separable function and sealable function as described in claim 6, wherein the first cover (61) has a plug (64) and at least one positioning protrusion (65), and the annular post (21) has at least one positioning recess (25); when the first cover (61) seals the socket (20), the plug (64) is inserted into the socket hole (26) to form a sealed state, and the positioning protrusion (65) is inserted into the positioning recess (25) to form positioning status. The feeding catheter combination with separable and sealable functions as described in claim 7, wherein the second accessory cover (70) has a plug fixing ring (72) to be fixed on the plug tail end (52), and the second cover (71) is connected to the plug fixing ring (72) by an extension piece (73). The feeding catheter combination with separable function and sealable function as described in claim 8, wherein the second cover (71) has a cap (74) and an opening (75); when the second cover (71) seals the plug (50), the hollow cylinder (51) is inserted into the cap (74) through the opening (75) to form a sealed state; when the socket (20) is combined with the plug (50), the plug (64) is inserted into the cap (7 4) to form a sealed state. The feeding catheter combination with separable function and sealable function as described in claim 1, wherein the annular column (21) has an external thread (28), the plug (50) has a nut (50b), and the nut (50b) has an internal thread (58); wherein the nut (50b) has a plurality of elastic hooks (56) inside, and the hollow cylinder (51) has an annular cone (57) and a disk (59), the plurality of elastic The hook (56) is limited between the annular cone portion (57) and the disc portion (59); when the socket (20) is combined with the plug (50), the internal thread (58) can be locked to the external thread (28).

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