Medical nasointestinal tube assembly convenient to push

Abstract

The utility model discloses a medical nasointestinal tube assembly convenient to push, and relates to the technical field of medical equipment. The device comprises a guide pipe, one end of the guide pipe is communicated with a conveying pipe, and the surface of the guide pipe is sleeved with an adjusting shell; the coating device comprises an adjusting shell, a coating assembly is arranged in the adjusting shell and comprises a through hole, the through hole is formed in the adjusting shell, a liquid storage groove is formed in the adjusting shell, a liquid conveying groove is formed in the liquid storage groove, and a sealing ball is slidably connected into the liquid conveying groove. Through the arrangement of the coating assembly, the catheter can be inserted into the adjusting shell before a patient puts the catheter into the adjusting shell, the sealing ball can be pushed when the catheter is inserted into the adjusting shell, lubricating liquid in the liquid storage tank can flow out from the gap while the sealing ball moves, and the lubricating liquid can flow out from the gap while the catheter moves. And the flowing-out lubricating liquid can be coated on the surface of the catheter for full lubrication, so that the resistance of catheter placement is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical equipment, especially, relate to a medical nasal intestinal tube subassembly convenient to push. BACKGROUND

[0002] The medical nasal intestinal tube is a kind of medical instrument inserted into gastrointestinal tract through nasal cavity, is widely used in clinical nutrition support, gastric content drainage, drug delivery etc., it is usually made of soft polyvinyl chloride (PVC) or silicone material, has good biocompatibility and proper flexibility, is convenient to insert and reduces the discomfort of patient.

[0003] The current medical nasal intestinal tube needs to be immersed in lubricating liquid when being placed into patient's body, so that the nasal intestinal tube can be smoothly inserted, but the surface lubricating liquid will drop during the operation process of doctor's hand holding, and the lubricating liquid is squeezed off by the gloves of doctor, so that the lubricating effect greatly decreases, the resistance of nasal intestinal tube increases when being placed, needs to be coated with lubricating liquid again, and use is very inconvenient.

[0004] Therefore, we provide a medical nasal intestinal tube subassembly convenient to push to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a medical nasal intestinal tube subassembly convenient to push, by the setting of coating assembly, the problem that medical nasal intestinal tube lacks self-lubricating function in the prior art, surface coating lubricating liquid drops, so that the resistance of nasal intestinal tube increases when being placed is solved.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model is a medical nasal intestinal tube subassembly convenient to push, including the catheter, the catheter one end is connected with the delivery pipe, the catheter surface is equipped with the adjusting shell;

[0008] The adjusting shell is internally provided with coating assembly, the coating assembly includes through-hole, the through-hole is arranged in the adjusting shell, the adjusting shell is internally provided with liquid storage groove, the liquid storage groove is internally provided with infusion groove, and the infusion groove is internally connected with sealing ball slidingly.

[0009] The utility model is further provided with the fixed pipe that the catheter surface is equipped with, and one end of the fixed pipe is fixedly connected with the adjusting shell.

[0010] The utility model is further provided with the rubber ring that the other end of the fixed pipe is fixedly connected with, and the connecting pipe is screw-connected on the surface of the fixed pipe.

[0011] The utility model further sets up, the coating assembly still includes sealing ring, sealing ring is connected in the inside of liquid storage groove, the first spring is fixedly connected to sealing ring one side.

[0012] The utility model further sets up, the sealing ball one side fixedly connected with second spring, second spring other end and liquid storage groove inner wall fixedly connected.

[0013] The utility model further sets up, the regulating shell one side is connected with liquid inlet pipe, and the liquid inlet pipe surface is equipped with check valve.

[0014] The utility model further sets up, the regulating shell top and bottom all are fixedly connected with medical adhesive tape, and the bottom of conveying pipe is fixedly connected with sealing plug through connecting strip.

[0015] The utility model has following beneficial effect:

[0016] The utility model discloses a coating assembly can be set up before the patient inserts the catheter, and the catheter is inserted into the regulating shell, and when the catheter is inserted into the regulating shell, the sealing ball can be pushed, and the lubricating liquid in the liquid storage groove can flow out from the gap while the sealing ball moves, and the flowing lubricating liquid can be coated on the surface of the catheter while the catheter moves, and is fully lubricated, and reduces the resistance of the catheter insertion. DRAWINGS

[0017] In order to make the technical scheme of the embodiments of the utility model clearer, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0018] Figure 1 It is a kind of medical nasal tube assembly structure stereogram of easy to advance;

[0019] Figure 2 It is the sectional view of fixed tube, rubber ring and connecting pipe in the medical nasal tube assembly of easy to advance;

[0020] Figure 3 It is the sectional view of regulating shell in the medical nasal tube assembly of easy to advance;

[0021] Figure 4 It is the schematic diagram of catheter insertion regulating shell in the medical nasal tube assembly of easy to advance.

[0022] In the drawings: 1, catheter;2, conveying pipe;3, regulating shell;4, through-hole;5, liquid storage groove;6, infusion groove;7, sealing ball;8, fixed tube;9, rubber ring;10, connecting pipe;11, sealing ring;12, first spring;13, second spring;14, liquid inlet pipe;15, check valve;16, medical adhesive tape;17, sealing plug. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described below with reference to the drawings in the embodiments of the utility model. The described embodiments are only some of the embodiments of the utility model, not all of the embodiments. Embodiment one

[0025] Please refer to Figures 1-4 The utility model discloses a medical nasoenteral tube assembly convenient to push, which comprises a catheter 1, a conveying pipe 2 communicated with one end of the catheter 1, and an adjusting shell 3 sleeved on the surface of the catheter 1. The adjusting shell 3 is internally provided with a coating assembly. The coating assembly comprises a through hole 4, which is arranged in the adjusting shell 3. The adjusting shell 3 is internally provided with a liquid storage groove 5, and the liquid storage groove 5 is internally provided with a liquid infusion groove 6. The liquid infusion groove 6 is internally and slidably connected with a sealing ball 7.

[0026] Specifically, the catheter 1 is made of silica gel material, has good biocompatibility and proper flexibility, is convenient to insert and reduces the discomfort of the patient. The sealing ball 7 is slidably connected with the inner wall of the liquid infusion groove 6. When the catheter 1 is inserted into the adjusting shell 3, the sealing ball 7 is pushed upward, so that the lubricating liquid in the liquid infusion groove 6 can flow out. The rubber ring 9 is sleeved on the surface of the catheter 1. When the connecting pipe 10 rotates, the rubber ring 9 is pushed, so that the rubber ring 9 is deformed and the catheter 1 is extruded, thereby achieving the function of fixing the catheter 1. The number of the liquid infusion grooves 6 is three, and they are arranged in a circle with the through hole 4 as the center. Embodiment two

[0028] Please refer to Figures 1-4 On the basis of the first embodiment, the catheter 1 is sleeved with a fixing pipe 8. One end of the fixing pipe 8 is fixedly connected with the adjusting shell 3. The other end of the fixing pipe 8 is fixedly connected with the rubber ring 9. The surface of the fixing pipe 8 is threadedly connected with the connecting pipe 10. The coating assembly further comprises a sealing ring 11, which is slidably connected in the liquid storage groove 5. One side of the sealing ring 11 is fixedly connected with the first spring 12. One side of the sealing ball 7 is fixedly connected with the second spring 13. The other end of the second spring 13 is fixedly connected with the inner wall of the liquid storage groove 5. One side of the adjusting shell 3 is communicated with a liquid inlet pipe 14. The surface of the liquid inlet pipe 14 is sleeved with a one-way valve 15. The top and bottom of the adjusting shell 3 are fixedly connected with medical adhesive tape 16. The bottom of the conveying pipe 2 is fixedly connected with a sealing plug 17 through a connecting strip.

[0029] Specifically, the sealing ring 11 is in sliding connection with the inner wall of the liquid storage tank 5, lubricating liquid is arranged inside the liquid storage tank 5 and at the left side of the sealing ring 11, the liquid storage tank 5 is in communication with the liquid delivery tank 6, the lubricating liquid can be injected into the liquid delivery tank 6, the first spring 12 and the second spring 13 have the effect of compressed energy storage, the sealing ring 11 is elastically supported by the first spring 12, the sealing ball 7 is elastically reset by the second spring 13, the liquid inlet pipe 14 is used for connecting an external syringe, the external lubricating liquid can be injected into the adjusting shell 3, and the medical adhesive tape 16 can be adhered and fixed to the adjusting shell 3 after the catheter 1 is inserted into the patient.

[0030] The working principle of the utility model is as follows: medical staff moves the adjusting shell 3, and adheres the adjusting shell 3 to the alae nasi of a patient by using the medical adhesive tape 16, and makes the through hole 4 align with the nostril of the patient;

[0031] Then, the catheter 1 is inserted into the through hole 4 and enters the nostril of the patient, the catheter 1 is inserted into the through hole 4 at the same time, the sealing ball 7 is pushed, the fitting gap between the sealing ball 7 and the liquid delivery tank 6 is increased after the sealing ball 7 moves, the first spring 12 elastically resets the sealing ring 11 at this moment, the sealing ring 11 pushes the lubricating liquid in the liquid storage tank 5 into the liquid delivery tank 6, the lubricating liquid flows out through the gap between the sealing ball 7 and the liquid delivery tank 6 and is coated on the surface of the catheter 1, the lubricating liquid can continuously flow out when the medical staff inserts the catheter 1, the lubricating effect is improved, and the resistance of the catheter 1 is reduced.

[0032] The standard parts used in the utility model can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled through the control unit, the control circuit of the control unit can be realized through simple programming of the person skilled in the art, and belongs to the public knowledge in the field, so the control mode and the circuit connection in the utility model are not explained in detail.

[0033] The preferred embodiments of the utility model disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the embodiments are selected and specifically described in the description, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.

Claims

1. A medical nasojejunal tube assembly for easy advancement comprising a catheter (1), characterized in that: The conduit (1) is communicated with a conveying pipe (2) at one end, and the surface of the conduit (1) is sleeved with an adjusting shell (3); The adjusting shell (3) is internally provided with a coating assembly, the coating assembly comprises a through hole (4) which is arranged in the adjusting shell (3), the adjusting shell (3) is internally provided with a liquid storage groove (5), the liquid storage groove (5) is internally provided with a liquid conveying groove (6), and the liquid conveying groove (6) is internally and slidably connected with a sealing ball (7).

2. A medical nasojejunal tube assembly that facilitates advancement according to claim 1, wherein: The surface of the conduit (1) is sleeved with a fixing pipe (8), and one end of the fixing pipe (8) is fixedly connected with the adjusting shell (3).

3. A medical nasojejunal tube assembly that facilitates advancement according to claim 2, wherein: The other end of the fixing pipe (8) is fixedly connected with a rubber ring (9), and the surface of the fixing pipe (8) is threadedly connected with a connecting pipe (10).

4. The medical nasojejunal tube assembly of claim 1, wherein: The coating assembly further comprises a sealing ring (11), the sealing ring (11) is slidably connected in the liquid storage groove (5), and one side of the sealing ring (11) is fixedly connected with a first spring (12).

5. The medical nasojejunal tube assembly of claim 1, wherein: One side of the sealing ball (7) is fixedly connected with a second spring (13), and the other end of the second spring (13) is fixedly connected with the inner wall of the liquid storage groove (5).

6. The medical nasojejunal tube assembly of claim 1, wherein: One side of the adjusting shell (3) is communicated with a liquid inlet pipe (14), and the surface of the liquid inlet pipe (14) is sleeved with a one-way valve (15).

7. The medical nasojejunal tube assembly of claim 1, wherein: The top and bottom of the adjusting shell (3) are fixedly connected with medical adhesive tapes (16), and the bottom of the conveying pipe (2) is fixedly connected with a sealing plug (17) through a connecting strip.

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