TRUNCATED FEEDING TUBE

Abstract

The invention relates to a truncated feeding tube comprising a first tube, a second tube, and a joint element. One terminal of the first tube and the second tube is removably connected to the two terminals of the joint element. A patient can connect the first and second tubes by the joint element or remove the second tube. Since the joint element can be separated from the first and second tubes, the joint member can be simply replaced when it is damaged without replacing the first or second tube. A positioning member is disposed on a front portion of the second tube, so that an endoscopic technology can be used to clamp the positioning member and the inner wall of the stomach or the duodenum by a hemostatic clip, and the front portion of the second tube is positioned in the stomach or the duodenum to avoid sliding displacement.

Claims

1. A truncated feeding tube, comprising: a first tube having a first joint end at one terminal thereof; a second tube having a second joint end at one terminal thereof; and a joint element, which is a hollow tubular body, and a joint part disposed on an inner wall of the joint element, wherein the joint part joint and fix the first joint end and the second joint end simultaneously.

2. The truncated feeding tube of the claim 1, wherein the first joint end and the second joint end are thread segments, and the first joint end and the second joint end are locked on two terminals of the joint element.

3. The truncated feeding tube of the claim 1, wherein the joint element comprises: a first cover shell and a second cover shell, wherein corresponding sides of the first cover shell and the second cover shell are pivotally connected, and the other corresponding sides are engaged and fixed to form a hollow tubular body; and a first joint part and a second joint part disposed on an inner wall of the joint element, wherein the first joint part joints the first joint end, the second joint part joints the second joint end, and the first joint end and the first joint part are thread segments and can be locked each other, and wherein the second joint part is a recessed hole, the second joint end is a bump, and the recessed hole and the bump are intercalated and fixed.

4. The truncated feeding tube of claim 3, wherein the bump is formed on a holding band fixed on the second joint end of the second tube.

5. The truncated feeding tube of claim 1, wherein an outer tubular surface of the first tube has a first stop ring protruded therefrom and near the first joint end.

6. The truncated feeding tube of claim 5, wherein an outer tubular surface of the second tube has a second stop ring protruded therefrom and near the second joint end.

7. The truncated feeding tube of claim 6, wherein the outer wall of the second tube has a third stop ring protruded therefrom and located at a distance from the second stop ring, and the third stop ring has plural holes penetrating through the third stop ring.

8. The truncated feeding tube of claim 7, wherein the second tube has a belt disposed between the second stop ring and the third stop ring.

9. The truncated feeding tube of claim 1, wherein openings of the first joint end and the second joint end have first concave and convex joint parts, hermetic rings jointed each other, or hermetic rings jointed each other and having second concave and convex joint parts formed on the hermetic rings.

10. The truncated feeding tube of claim 1, wherein the second tube has a front portion formed on one terminal thereof, at least one hole is formed near a peripheral of the front portion of the second tube, and a circular positioning member is fixed on the front portion of the second tube and the hole or between at least two of the holes.

11. The truncated feeding tube of claim 10, wherein the front portion of the second tube has a round head or a flat head.

12. The truncated feeding tube of claim 11, wherein the positioning member and the front portion of the second tube are formed as one piece.

13. The truncated feeding tube of claim 12, wherein the second tube has at least a protection part corresponding to at least one position of nasopharynx, cardia, and duodenal bulb.

14. The truncated feeding tube of claim 13, wherein the protection part is a recess formed on the second tube.

15. The truncated feeding tube of claim 14, wherein the recess is further wrapped by a protection layer, wherein the outer diameter of the protection layer is equal to the outer diameter of the second tube without a recessed part to level surfaces of the protection layer and the second tube without the recessed part, wherein the outer diameter of the protection layer is larger than the outer diameter of the second tube without the recessed part, so that the protection layer is protruded, or wherein the outer diameter of the protection layer is smaller than the outer diameter of the second tube without the recessed part, so that the protection layer is recessed, and wherein a plurality of counterweights is disposed within the sensing part.

16. The truncated feeding tube of claim 15, wherein the second tube has a sensing part formed on the front portion of the second tube thereof and having a light-sensitive metal material to be observed in an irradiation of a X ray machine.

17. The truncated feeding tube of claim 16, wherein the sensing part wrap the outer side of the front portion of the second tube.

18. The truncated feeding tube of claim 17, wherein the sensing part is formed at the outer side of the front portion of the second tube as one piece, or connected to the outer side of the front portion of the second tube.

19. The truncated feeding tube of claim 18, wherein the second tube has assistant sensing parts having a light-sensitive metal material.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0029] FIG. 1 is a perspective exploded view of a truncated feeding tube according to a first embodiment of this invention.

[0030] FIG. 2 is an assembly cross-sectional view of a truncated feeding tube according to the first embodiment of this invention.

[0031] FIG. 3 is a schematic view of the relative position of a truncated feeding tube according to the first embodiment of this invention.

[0032] FIG. 4 is a perspective exploded view of a truncated feeding tube according to a second embodiment of this invention.

[0033] FIG. 5 is a perspective exploded view of a truncated feeding tube according to a third embodiment of this invention.

[0034] FIG. 6 is a perspective exploded view of a truncated feeding tube according to a fourth embodiment of this invention.

[0035] FIG. 7 is a perspective exploded view of a truncated feeding tube according to a fifth embodiment of this invention.

[0036] FIG. 8 is a perspective exploded view of a truncated feeding tube according to a sixth embodiment of this invention.

[0037] FIG. 9 is a perspective exploded view of a truncated feeding tube according to a seventh embodiment of this invention.

[0038] FIG. 10 is an assembly cross-sectional view of a truncated feeding tube according to the seventh embodiment of this invention.

[0039] FIG. 11 is an assembly cross-sectional view of a truncated feeding tube according to the eighth embodiment of this invention.

[0040] FIG. 12 is a perspective exploded view of a truncated feeding tube according to a ninth embodiment of this invention.

[0041] FIG. 13 is a perspective view of a truncated feeding tube according to a tenth embodiment of this invention.

[0042] FIG. 14 is a lateral and partially enlarged view of a truncated feeding tube according to an eleventh embodiment of this invention.

DETAILED DESCRIPTION

[0043] Please refer to FIGS. 1 and 2.

[0044] The truncated feeding tube of this invention comprises a first tube 1, a second tube 2, and a joint element 3, wherein

[0045] one end of the first tube 1 is a first joint end 11, which is a thread segment in this embodiment;

[0046] one end of the second tube 2 is a second joint end 21, which is a thread segment in this embodiment;

[0047] the joint element 3 is a hollow tubular structure having a joint part 31 on an inner wall of the joint element 3; in this embodiment, the joint part 31 is a thread segment; the two ends of the joint part 31 are used to respectively joint the first joint end 11 and the second joint end 21.

[0048] In this embodiment, the joint element 3 uses the two ends of the joint part 31 to respectively lock the threaded first joint end 11 of the first tube 1 and the threaded second joint end 21 of the second tube 2. The first tube 1 and the second tube 2 are locked and connected by the joint element 3 to form an inner channel for delivering liquid food.

[0049] In this invention, a first stop ring 12 is further disposed on the outer wall of the first tube 1 near the first joint end 11. A second stop ring 22 is disposed on the outer wall of the second tube 2 near the second joint end 21. A third stop ring 23 is disposed on the outer wall of the second tube 2 at a distance from the second stop ring 22. Many holes 24 are disposed on and penetrate the third stop ring 23.

[0050] The first stop ring 12 and the second stop ring 22 are used to limit a distance for locking the first tube 1, the second tube 2 and the joint element 3. The diameter of the third stop ring 23 is larger than the diameter of the nostril to limit the feeding tube's length inside a human body. The holes 24 can avoid the third stop ring 23 shielding the nostril to obstruct a patient's respiratory. Please refer to FIG. 3.

[0051] Next, a belt 25 is disposed on the second tube 2 at a position between the second stop ring 22 and the third stop ring 23. A trade mark may be printed on the belt 25. Please refer to FIG. 4.

[0052] Please refer to FIG. 5. First concave and convex joint parts 13, 26 are respectively formed on the openings of the first joint end 11 and the second joint end 21. The connection of the first concave and convex joint parts 13, 26 used to connect the first tube 1 and the second tube 2 has leakage preventing effect.

[0053] Please refer to FIG. 6. Hermetic rings 14, 27 are respectively disposed on the openings of the first joint end 11 and the second joint end 21. The softness and elasticity of the two hermetic rings 14, 27 are used to connect the first tube 1 and the second tube 2 to have good leakage preventing effect. Of course, only one hermetic ring 14 or 27 on the first joint end 11 or the second joint end 21 is also allowed, please refer to FIG. 7. Furthermore, the two hermetic rings 14, 27 can also have second concave and convex joint parts 15, 28 to increase the leakage preventing effect between the connection of the first tube 1 and the second tube 2. Please refer to FIG. 8.

[0054] Please refer to FIGS. 9 and 10. In the truncated feeding tube of this invention, the first joint end 11 of the first tube 1 is a thread segment, and the second joint end 29 of the second tube 2 is bumps. A joint element 4 comprises a first cover shell 41 and a second cover shell 42. One corresponding sides of the first cover shell 41 and the second cover shell 42 are pivotally jointed, and the other corresponding sides are engaged and fixed to form a hollow tubular body. That is, pivoting ear parts 411, 421 are disposed on the corresponding sides of the first cover shell 41 and the second cover shell 42, and a pivot 40 is passed through the pivoting ear parts 411, 421 to pivotally connect the corresponding sides of the first cover shell 41 and the second cover shell 42. A hooking hole 412 and a hook 422 are disposed on the other corresponding sides of the first cover shell 41 and the second cover shell 42. Therefore, the other corresponding sides of the first cover shell 41 and the second cover shell 42 can be fastened by the hooking hole 412 and the hook 422. As shown in FIG. 11, the other corresponding sides of the first cover shell 41 and the second cover shell 42 may be also pivotally fastened to let the first cover shell 41 and the second cover shell 42 form a hollow tubular body. That is, pivoting ear parts 413, 423 are disposed on the other corresponding sides of the first cover shell 41 and the second cover shell 42, and another pivot 40 is passed through the pivoting ear parts 413, 423 to pivotally connect the other corresponding sides of the first cover shell 41 and the second cover shell 42. A first joint part 43 and a second joint part 44 are disposed on the inner wall of the joint element 4. The first joint part 43 joints the first joint end 11, and the second joint part 44 joints the second joint end 29. In this embodiment the first joint part 43 is a thread segment to lock the threaded first joint end 11, and the second joint part 44 is recessed holes to lock the bumps of the second joint end 29. Accordingly, the first tube 1 and the second tube 2 can be jointed by the joint element 4 to form a feeding tube for delivering liquid food.

[0055] Among them, the bumps of the second joint end 29 are formed on a holding band 29 fixed on the second tube 2, and the number of the holding band 29 may be 1 or 2. As shown in FIG. 9, one holding band 29 is installed. As shown in FIG. 12, two holding bands 29 are installed, and the number of the bumps on the second joint end 29 is also increased as the number of the holding bands 29 is increased. Of course, the number of the recessed holes on the second joint part 44 of the joint element 4 is also increased correspondingly.

[0056] Please refer to FIG. 13. In this invention, a front portion 20 of the second tube 2 is formed on one end of the second tube 2. The front portion 20 of the second tube 2 has a round head or a flat head. At least one hole 201 is disposed near the front portion 20 of the second tube 2, and a circular positioning member 5 is disposed on the front portion 20 of the second tube 2. The positioning member 5 is passed through the terminal of the front portion 20 of the second tube 2 and one of the holes 201, or passed through any two of the holes 201. As shown in FIG. 14, the positioning member 5 can be also directly formed on two sides of the terminal of the front portion 20 of the second tube 2 as one piece.

[0057] As a result, when the front portion 20 of the second tube 2 of the second tube 2 is inserted from nostril through esophagus to stomach, or even to the duodenum, an endoscopic technology can be used to clamp the positioning member 5 of the front portion 20 of the second tube 2 and the inner wall of the stomach or the duodenum by a hemostatic clip, and the front portion 20 of the second tube 2 is indeed positioned in the stomach or the duodenum to avoid sliding displacement.

[0058] Please refer to FIG. 13. In a part of the tube 2 corresponding to the narrower region of the human inner organs, such as nasopharynx, cardia and duodenal bulb, a protection part 6 is installed. The protection part 6 is a recessed part 61 directly formed on the second tube 2. A protection layer 62 may be further cover the recessed part 61. The material of the protection layer 62 may be a material that can reduce the compression injury of the mucosal. Moreover, the outer diameter of the protection layer 62 is equal to the outer diameter of the second tube 2 without the recessed part 61 to level the surfaces of the protection layer 62 and the second tube 2 without the recessed part 61. The outer diameter of the protection layer 62 also can be larger than the outer diameter of the second tube 2 without the recessed part 61, so that the protection layer 62 is protruded. The outer diameter of the protection layer 62 also can be smaller than the outer diameter of the second tube 2 without the recessed part 61, so that the protection layer 62 is recessed.

[0059] Please refer to FIG. 13. A sensing part 7 is disposed on the front portion 20 of the second tube 2, and many assistant sensing parts 71 are disposed on the second tube 2. The sensing part 7 and the assistant sensing parts 71 all have a light-sensitive metal material to be observed by a X ray machine.

[0060] The sensing part 7 may wrap the outer side of the front portion 20 of the second tube 2, or is formed on the outer side of the front portion 20 of the second tube 2, such as is directly formed on the front terminal of the front portion 20 of the second tube 2. As a result, in the process of inserting the front portion 20 of the second tube 2 from nostril through esophagus to stomach, or even to the duodenum, the real positions of the sensing part 7 and the assistant sensing parts 71 can be observed by the irradiation of a X ray machine to indeed place the front portion 20 of the second tube 2 at the predetermined position.

[0061] A plurality of counterweights 72 is disposed within the sensing part 7 to ensure the front portion 20 of the second tube 2 to keep a sagging state due to gravity to facilitate insertion of the feeding tube into a human body.