CN113855574A

CN113855574A - Feeding catheter combination with separable function and sealable function

Info

Publication number: CN113855574A
Application number: CN202111045485.2A
Authority: CN
Inventors: 熊道存; 熊纬; 陈冠宏; 陈柏璋
Original assignee: Ningbo Besmed Medical Equipment Corp
Current assignee: Ningbo Besmed Medical Equipment Corp
Priority date: 2021-05-31
Filing date: 2021-09-07
Publication date: 2021-12-31
Anticipated expiration: 2041-09-07
Also published as: TWI808429B; CN113855574B; TW202247864A

Abstract

A feeding conduit combination with separable function and sealable function comprises a main conduit and an auxiliary conduit; the front end of the main conduit is provided with a plurality of delivery holes, the tail end of the main conduit is provided with a socket, the front end of the auxiliary conduit is provided with a feeding adapter, and the tail end of the auxiliary conduit is provided with a plug; wherein the receptacle 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 auxiliary cover and the second auxiliary cover can be mutually sealed, and the plug is communicated with the socket in a fluid mode; when the socket is separated from the plug, the first auxiliary cover and the socket can be sealed with each other, and the second auxiliary cover and the plug can be sealed with each other.

Description

Feeding catheter combination with separable function and sealable function

Technical Field

The invention relates to a Feeding tube (Feeding conduit), in particular to a Feeding conduit assembly (Feeding conduit assembly) with separable function and sealable function, which comprises a main conduit (Primary conduit) and an auxiliary conduit (Secondary conduit), wherein the main conduit is provided with a Socket (Socket), and the auxiliary conduit is provided with a Plug (Plug); when the socket is combined with the plug, the auxiliary conduit is communicated with the main conduit in a fluid way, and the auxiliary cover of the socket and the auxiliary cover of the plug can be combined with each other; when the socket is separated from the plug, the auxiliary cover of the socket can seal the socket and the auxiliary cover of the plug can seal the plug.

Background

As disclosed in the prior art, such as the earlier U.S. patent No. US20080183153a1, the primary disclosed technique is an Enteral feeding tube connector (internal feeding tube connector), and referring to fig. 3 and 8 of the patent, the connector (20) includes a body (22) and a cover (36), the body (22) defining a passageway therethrough; wherein the body (22) has an inlet section (24) and an outlet section (28), the outlet section (28) being connected to an extension tube (60), the extension tube (60) being inserted into the stomach through the esophagus of the patient either perorally or nasally for delivering liquid to the stomach of the patient.

This prior art Patent family (Patent family) includes canadian Patent No. CA2576558a 1. The connector (20) further may be fitted with a connector nozzle (62), the connector nozzle (62) including a main body (64), the main body (64) being a hollow cylindrical delivery end (66) for delivering the liquid into the inlet section (24) of the connector (20), the liquid passing through the elongated tube (60) into the patient's stomach. During use, the cover (36) is exposed to the environment, and the cover (36) may be contaminated 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) may be polluted by the environment or pollute the environment. Accordingly, there remains a need for improvement in this prior art.

Disclosure of Invention

In view of the above-mentioned drawbacks and needs of the prior art, it is an object of the present invention to provide a feeding tube assembly with separable and sealable functions, which comprises a main tube and an auxiliary tube; the front end of the main conduit is provided with a plurality of delivery holes, the tail end of the main conduit is provided with a socket, the front end of the auxiliary conduit is provided with a feeding adapter, and the tail end of the auxiliary conduit is provided with a plug; wherein the receptacle 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 auxiliary cover and the second auxiliary cover can be mutually sealed, and the plug is communicated with the socket in a fluid mode; when the socket is separated from the plug, the first auxiliary cover and the socket can be sealed with each other, and the second auxiliary cover and the plug can be sealed with each other.

The present invention has an advantageous effect (i) in that the first and second sub covers can be sealed with each other when the socket is coupled with the plug, so as to prevent the first and second sub covers from being polluted or contaminated by the environment.

The present invention has the beneficial effects that when the socket is separated from the plug, the first auxiliary cover and the socket can be sealed with each other, and the second auxiliary cover and the plug can be sealed with each other, so as to prevent the socket and the plug from being polluted by the environment or polluting the environment.

The invention has the advantages that the socket is provided with a pair of socket lugs as a stop (Stopper) to prevent the socket from completely entering the nose of a patient, and moreover, the user can easily separate the plug from the socket by pinching the socket lugs and the plug to rotate relatively by fingers.

Drawings

FIG. 1 is a perspective view of a preferred embodiment of the present invention.

Fig. 2 is a sectional view taken along line a-a of fig. 1.

FIG. 3 is a partial perspective view of the primary conduit of the preferred embodiment of the present invention.

Fig. 4 is an exploded perspective view of the primary catheter of the preferred embodiment of the invention.

FIG. 5 is a perspective view of the primary catheter of the preferred embodiment of the invention.

Fig. 6 is a sectional view taken along line B-B of fig. 3.

FIG. 7 is a view showing the sealing state of the main conduit according to the preferred embodiment of the present invention.

FIG. 8 is a partial perspective view of the secondary conduit in accordance with the preferred embodiment of the present invention.

Fig. 9 is an exploded perspective view of the accessory catheter in accordance with the preferred embodiment of the present invention.

FIG. 10 is a perspective view of the accessory catheter in accordance with the preferred embodiment of the present invention.

Fig. 11 is a cross-sectional view of C-C of fig. 8.

FIG. 12 is a view showing the sealing state of the subsidiary duct according to the preferred embodiment of the present invention.

Fig. 13 is a perspective view of a second embodiment of the present invention.

Fig. 14 is a cross-sectional view taken along line D-D of fig. 13.

FIG. 15 is a partial perspective view of a primary conduit of a second embodiment of the present invention.

Fig. 16 is an exploded perspective view of the primary catheter of the second embodiment of the present invention.

Fig. 17 is a schematic perspective view of a primary catheter of a second embodiment of the invention.

Fig. 18 is a cross-sectional view E-E of fig. 15.

Fig. 19 is a view showing a sealed state of the main duct of the second embodiment of the present invention.

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

Fig. 21 is an exploded perspective view of an auxiliary catheter in accordance with a second embodiment of the present invention.

FIG. 22 is a perspective view of the accessory catheter in accordance with the preferred embodiment of the present invention.

Fig. 23 is a sectional view F-F of fig. 20.

Fig. 24 is a view showing a sealing state of the subsidiary duct according to the second embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 12, in the preferred embodiment, the feeding tube assembly with separable function and sealable function of the present invention comprises a main tube 10, a socket 20, an auxiliary tube 30, a plug 50, a first auxiliary cap 60, a second auxiliary cap 70 and a third auxiliary cap 80; the wall of the front end 11 of the main conduit 10 has a plurality of delivery holes 13, the socket 20 has an annular post 21 and a socket tail 22, the socket tail 22 is fixed to the tail 12 of the main conduit 10, and the annular post 21 is in fluid communication with the main conduit 10; a feeding adapter 40 is disposed at the front end 31 of the auxiliary conduit 30, the auxiliary conduit 30 is in fluid communication with the feeding adapter 40, the plug 50 has a hollow cylinder 51 and a plug tail 52, the plug tail 52 is fixed to the tail 32 of the auxiliary conduit 30, and the hollow cylinder 51 is in fluid communication with the auxiliary conduit 30; the first auxiliary cover 60 has a first cover body 61, and the first auxiliary cover 61 is disposed on the socket 20; the second auxiliary cover 70 has a second cover body 71, and the second auxiliary cover 71 is disposed on the plug 50; the third auxiliary lid 80 has a third lid 81, and the third auxiliary lid 81 is disposed on the feeding adapter 40; wherein the first cover 61 and the second cover 71 can be sealed with each other to prevent the first cover 61 and the second cover 71 from being polluted by the environment or polluting the environment (as shown in fig. 1 and fig. 2), and the third cover 81 and the feeding adaptor 40 can be sealed with each other (for example, the third cover 81 can seal the inlet 41 of the feeding adaptor 40) to prevent the third cover 81 and the feeding adaptor 40 from being polluted by the environment or polluting 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 with the plug 50, so that the plug 50 is in fluid communication with the socket 20, and the auxiliary conduit 30 is in fluid communication with the main conduit 10 (as shown in fig. 1 and 2); when the socket 20 and the plug 50 are separated, the first cover 61 and the socket 20 can be sealed with each other (as shown in fig. 5 and 7), and the second cover 71 and the plug 50 can be sealed with each other (as shown in fig. 10 and 12), so as to prevent the socket 20 and the plug 50 from being polluted by the environment or polluting the environment.

The effect of the gain of the socket 20 and the plug 50 is 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, and the user can easily detach the plug 50 from the socket 20 by pinching the socket lugs 23 with fingers and rotating the plug 50 relatively. In addition, the plug 50 has a pair of plug lugs 53, and the user can easily separate the socket 20 and the plug 50 by pinching the socket lugs 23 and the plug lugs 53 with fingers and rotating them relatively, so that the hollow cylinder 51 can be easily separated from the annular column 21. The socket 20 may be made of a silicon material, a polyvinyl chloride (PVC) material, or a 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 (shown in fig. 4 and 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 (shown in fig. 9 and 11); when the receptacle 20 is coupled with the plug 50, the inner annular rib 54 is inserted into the outer annular groove 24 to form a clamping state (as shown in fig. 1 and 2).

The combination of the primary catheter 10 and the hub 20 is illustrated: the hub 20 is overmolded onto the trailing end 12 of the primary conduit 10 (as shown in fig. 3 and 6) to form a primary conduit assembly.

The combination of the auxiliary conduit 30 and the plug 50 is illustrated: the plug 50 is secured to the end 32 of the auxiliary conduit 30 with a tight fit (as shown in fig. 8 and 11) to form an auxiliary conduit assembly (e.g., the plug end 52 has a tapered protrusion 521 to increase the tight fit of the plug end 52 with the auxiliary conduit 30).

The combination of the first sub-cover 60 and the socket 20 is illustrated: the first auxiliary cover 60 further has a socket fixing ring 62 fixed to the ring post 21, and the first cover body 61 is connected to the socket fixing ring 62 by an extension piece 63 (see fig. 3 and 6).

To illustrate the manner in which the receptacle 20 is in fluid communication with the plug 50: the annular post 21 further having a socket bore 26, the socket end 22 having a socket channel 27, the socket bore 26 being in fluid communication with the primary conduit 10 via the socket channel 27; when the socket 20 is coupled with the plug 50, the hollow cylinder 51 is inserted into the socket hole 26, and the hollow cylinder 51 is in fluid communication with the socket channel 27 (as shown in fig. 1, 2 and 6). Furthermore, the plug end 52 has a plug channel 520, and the hollow cylinder 51 is in fluid communication with the auxiliary conduit 30 (as shown in fig. 2, 11 and 12) via the plug channel 520.

The sealing manner of the first sub-cover 60 and the socket 20 is exemplified: 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 inserted into the positioning recess 25 to form a positioning state (as shown in fig. 3, 6 and 7).

The combination of the second sub-cover 70 and the plug 50 is exemplified: the second auxiliary cover 70 further has a plug fixing ring 72 fixed to the plug tail 52, and the second cover 71 is connected to the plug fixing ring 72 by an extension piece 73 (see fig. 8 and 11).

The sealing manner of the second sub-cover 70 and the plug 50 is exemplified: 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 receptacle 20 is coupled with the plug 50, the plug 64 is inserted into the cap 74 to form a sealed state (as shown in fig. 8, 11 and 12).

Referring to fig. 13 to 24, the second embodiment of the present invention is substantially the same as the preferred embodiment except that the feeding tube assembly further comprises a locking structure, the socket 20 and the plug 50 can be locked with each other, for example: the annular post 21 has an external thread 28, the plug 50 has a nut 50b, the nut 50b has an internal thread 58; wherein the nut 50b has a plurality of elastic hooks 56 therein, and the hollow cylinder 51 has an annular tapered portion 57 and a disk portion 59; when the nut 50b is coupled to the hollow cylinder 51, the plurality of elastic hooks 56 are caught between the annular tapered portion 57 and the disc portion 59 after the plurality of elastic hooks 56 slide over the annular tapered portion 57; when the socket 20 is coupled with the plug 50, the internal threads 58 of the nut 50b can lock with the external threads 28 of the annular post 21, so that the socket 20 and the plug 50 are locked with each other.

Claims

1. A feeding catheter combination with separable functionality and sealable functionality, the feeding catheter combination comprising:

a main duct (10), the wall of the front end (11) of the main duct (10) having a plurality of delivery holes (13);

a socket (20) having an annular post (21) and a socket tail (22), the socket tail (22) being secured to the tail (12) of the primary conduit (10), and the annular post (21) being in fluid communication with the primary conduit (10);

an auxiliary conduit (30), the front end (31) of the auxiliary conduit (30) being provided with a feeding adaptor (40), the auxiliary conduit (30) being in fluid communication with the feeding adaptor (40);

a plug (50) having a hollow cylinder (51) and a plug tail (52), the plug tail (52) being secured to the tail (32) of the auxiliary conduit (30), and the hollow cylinder (51) being in fluid communication with the auxiliary conduit (30);

a first auxiliary cover (60), the first auxiliary cover (61) having a first cover body (61), the first auxiliary cover (61) being disposed on the socket (20);

a second sub cover (70), the second sub cover (71) having a second cover body (71), the second sub cover (71) being disposed on the plug (50);

a third auxiliary lid (80), the third auxiliary lid (81) having a third lid body (81), the third auxiliary lid (81) being disposed on the feeding adapter (40);

wherein when the first cover body (61) and the second cover body (71) are sealed with each other, the first cover body (61) and the second cover body (71) are prevented from being polluted by the environment or polluting the environment, and when the third cover body (81) and the feeding adapter (40) are sealed with each other, the third cover body (81) and the feeding adapter (40) are prevented from being polluted by the environment or polluting the environment; when the socket (20) is combined with the plug (50), the hollow cylinder (51) is inserted into the annular column (21) to combine the socket (20) with the plug (50), the plug (50) is communicated with the socket (20) in a fluid mode, and the auxiliary conduit (30) is communicated with the main conduit (10) in a fluid mode; when the socket (20) is separated from the plug (50), the first cover body (61) and the socket (20) are sealed with each other, and the second cover body (71) and the plug (50) are sealed with each other, so that the socket (20) and the plug (50) are prevented from being polluted by the environment or polluting the environment.

2. A feeding tube combination with separable and sealable functions as claimed in claim 1, wherein the receptacle (20) has a pair of receptacle lugs (23) and the plug (50) has a pair of plug lugs (53); when the socket (20) is separated from the plug (50), a user pinches the socket lugs (23) and the plug lugs (53) with fingers to rotate relatively, so that the hollow cylinder (51) is easy to separate from the annular column (21).

3. A feeding tube combination with separable function and sealable function as claimed in claim 1, wherein said annular pillar (21) has an outer annular groove (24), said plug (50) has a plug base (50a), said plug base (50a) has an inner annular rib (54), said hollow cylinder (51) and said 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 into the outer annular groove (24) to form a clamping state.

4. A feeding tube combination with separable and sealable functions as claimed in claim 1, wherein said socket (20) is formed by over-molding at the rear end (12) of said primary tube (10), and said plug (50) is fixed to the rear end (32) of said secondary tube (30) by tight fit.

5. A feeding tube combination with separable and sealable functions as claimed in claim 1, wherein the first auxiliary cap (60) has a socket fixing ring (62) fixed to the ring post (21), and the first cap body (61) is connected to the socket fixing ring (62) via an extension piece (63).

6. A feeding tube combination with separable function and sealable function as claimed in claim 5, wherein said annular post (21) has a socket hole (26), said socket tail end (22) has a socket channel (27), said socket hole (26) is in fluid communication with said main tube (10) via said 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) is communicated with the socket channel (27) in a fluid mode; the plug end (52) has a plug passage (520), and the hollow cylinder (51) is in fluid communication with the auxiliary conduit (30) via the plug passage (520).

7. A feeding tube combination with separable and sealable functions as claimed in claim 5, wherein said first cap (61) has a plug (64) and at least one positioning protrusion (65), and said annular post (21) has at least one positioning recess (25); when the first cover body (61) seals the socket (20), the plug (64) is inserted into the socket hole (26) to form a sealed state, and the positioning convex portion (65) is inserted into the positioning concave portion (25) to form a positioning state.

8. A feeding tube combination with separable and sealable functions as claimed in claim 7, wherein the second auxiliary lid (70) has a plug fixing ring (72) fixed to the plug tail end (52), and the second lid body (71) is connected to the plug fixing ring (72) via an extension piece (73).

9. A feeding tube combination with separable and sealable functions as claimed in claim 8, wherein the second cover (71) has a cap portion (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 part (74) to form a sealing state.

10. A feeding tube combination with separable function and sealable function as claimed in claim 1, wherein said annular post (21) has an external thread (28), said plug (50) has a nut (50b), said nut (50b) has an internal thread (58); wherein the nut (50b) has a plurality of elastic hooks (56) inside, the hollow cylinder (51) has an annular cone portion (57) and a disc portion (59), and the elastic hooks (56) are limited between the annular cone portion (57) and the disc portion (59); the internal thread (58) is lockable to the external thread (28) when the socket (20) is coupled to the plug (50).