Visual gastrointestinal feeding tube

Abstract

The invention discloses a visual gastrointestinal feeding tube, and belongs to the field of medical instruments. The TPU stomach tube comprises a tube wall and a cavity channel defined by the tube wall. The guide wire is arranged in the cavity in a penetrating manner so as to realize visualization of the end part of the TPU stomach tube; the feeder is arranged at the end part of the TPU stomach tube so as to put food into the cavity; the first connecting piece is provided with a communicating cavity for connecting the TPU stomach tube and the feeder; the moving rod is arranged on the first connecting piece and is inserted into the communicating cavity; the vibrator is arranged on the moving rod to vibrate the moving rod; the first electromagnet is arranged on the first connecting piece; wherein the first connecting piece is arranged between the TPU stomach tube and the feeder so as to connect the TPU stomach tube and the feeder; the end, located in the communicating cavity, of the moving rod makes contact with the surface of the TPU stomach tube. And a permanent magnet corresponding to the first electromagnet is arranged on the moving rod. The visual gastrointestinal feeding tube has the beneficial effect that the visual gastrointestinal feeding tube with the dynamic anti-blocking effect is provided.

Description

Technical Field

[0001] The present application relates to the field of medical devices, and in particular, to a visualized gastrointestinal feeding tube. Background Art

[0002] At present, the gastrointestinal tubes used in clinical practice include gastric tubes, duodenal tubes, and three-lumen feeding tubes. Gastrointestinal tubes are generally made of polyurethane or silicone materials. Gastrointestinal tubes are used in special circumstances to help patients who cannot swallow to deliver necessary water and food or corresponding clinical treatments. In order to provide patients with better use effects, there are already visualized gastrointestinal feeding tubes on the market. When inserted into human organs, the movement of the feeding tube and the internal conditions of the human body can be observed. However, in actual use, due to the twists and turns of the human intestine, food often gets blocked in the gastrointestinal tube during feeding, resulting in poor feeding. Therefore, it is necessary to design a visualized gastrointestinal feeding tube with anti-blocking function. Summary of the invention

[0003] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0004] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide a visualized gastrointestinal feeding tube, including: The TPU stomach tube comprises a tube wall and a cavity defined by the tube wall; A camera is arranged at the end of the TPU gastric tube inserted into the human body and connected to an external display; A guide wire is inserted into the cavity to control the rotation direction of the camera; A feeder, disposed at the end of the TPU stomach tube to feed food into the cavity; A first connecting piece having a communicating cavity for connecting the TPU stomach tube and the feeding device; A moving rod, disposed on the first connecting member and inserted into the communicating cavity; A vibrator, arranged on the moving rod to vibrate the moving rod; A first electromagnet is disposed on the first connecting member; The first connecting member is arranged between the TPU stomach tube and the feeder to connect the TPU stomach tube and the feeder; the end of the moving rod located in the connecting cavity contacts the surface of the TPU stomach tube; and a permanent magnet corresponding to the first electromagnet is arranged on the moving rod; During use, the liquid food is directed into the TPU gastric tube through the feeder so that the liquid food can enter the human body; the setting of the first electromagnet can drive the moving rod to move and contact the TPU gastric tube to cause the TPU gastric tube to deform, so that the medium can be subjected to the deformation force of the TPU gastric tube when flowing through the TPU gastric tube, thereby squeezing each other to reduce the risk of blockage; the setting of the vibrator can make the moving rod vibrate, so that the internal medium of the TPU gastric tube vibrates, so that the medium is more evenly distributed when flowing and fixed, reducing the gap.

[0005] In some embodiments, a first elastic member is disposed between the first electromagnet and the permanent magnet, and the first elastic member enables the moving rod to always contact the surface of the TPU gastric tube located in the communicating cavity; The inner wall of the communication cavity is also provided with a flow monitor for monitoring the flow of the medium in the cavity; Wherein, the flow monitors are electrically connected to the first electromagnet and the vibrator.

[0006] In some embodiments, a central processing unit is disposed on the first connecting member; The central processing unit is electrically connected to the flow monitor to receive and process the electrical signal transmitted by the flow monitor; The central processing unit includes an actuator, which is connected in parallel with the first electromagnet and the vibrator to control the opening and closing of the first electromagnet and the vibrator respectively.

[0007] In some embodiments, a second connector is disposed at an end of the first connector proximal to the feeder; The second connecting member has a second communicating cavity for connecting the feeder and the first connecting member; An electronic one-way valve is arranged on the first connecting piece and is electrically connected to the actuator.

[0008] In some embodiments, the second connecting member is located between the electronic one-way valve and the first connecting member to provide an external pipe; The external pipe is inserted into the second connecting cavity; Wherein, a drainage bag is arranged at one end of the external tube.

[0009] In some embodiments, a slide groove for the moving rod to move is provided on the first connecting member; The inner wall of the slide groove is moved to set a limit block; A resisting block that resists against the limit block is arranged on the surface of the moving rod located in the slide groove; The limit block moves in the slide groove along a moving track approaching or moving away from the interference block.

[0010] In some embodiments, a second electromagnet is also provided on the connecting member; A magnet corresponding to the second electromagnet is arranged on the limit block; A second elastic member is disposed between the second electromagnet and the magnet; Wherein, in the initial state, the second elastic member applies a pulling force to the limit block to always keep it away from the moving rod; and the second electromagnet is electrically connected to the actuator.

[0011] In some embodiments, a tapered portion is formed in the first communication cavity; The connecting piece is also provided with a water injection port connected with the tapered portion; A water injection piece is arranged at the water injection port to fill the conical portion with water.

[0012] In some embodiments, a sealing ring is provided at the junction of the moving groove and the tapered portion; The sealing ring is sleeved on the moving rod.

[0013] The beneficial effects of the present application are: liquid food is directed into the TPU gastric tube through the feeder so that the liquid food can enter the human body; the setting of the first electromagnet can drive the moving rod to move and contact the TPU gastric tube to cause the TPU gastric tube to deform, so that the medium can be subjected to the deformation force of the TPU gastric tube when flowing through the TPU gastric tube, thereby squeezing each other to reduce the risk of blockage; by setting the vibrator, the moving rod can vibrate, so that the internal medium of the TPU gastric tube vibrates, so that the medium is more evenly distributed and the gaps are reduced when the flow is fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0015] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0016] In the attached picture: Figure 1 is an overall schematic diagram according to an embodiment of the present application; Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the TPU gastric tube and the guide wire; Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing a half-section schematic structure of a first connecting member and a second connecting member; Figure 4 yes Figure 3 A magnified view of part A Figure 5 It is a structural schematic diagram of a part of the embodiment, mainly showing an overall exploded view; Figure 6 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the first connecting member and the threaded ring; Figure 7 It is a structural schematic diagram of a part of the embodiment, mainly showing the installation structure of the limit block; Figure 8 It is a structural schematic diagram of a part of the embodiment, mainly showing the explosion structure of the limit block and the second electromagnet.

[0017] Reference numerals: 3. TPU gastric tube; 10. first connecting piece; 20. cavity; 30. feeding port; 60. feeder; 70. first connecting cavity; 80. slot; 90. bending part; 100. closing strip; 110. threaded groove; 12. threaded sleeve; 13. conical part; 14. vibrator; 15. water inlet; 16. first electromagnet; 17. permanent magnet; 18. first elastic part; 19. slide groove; 20. sealing ring; 21. flow monitor; 22. second connecting piece; 23. second connecting cavity; 24. electronic one-way valve; 25. external tube; 26. limit block; 27. resistance block; 28. second electromagnet; 29. ​​second permanent magnet; 30. second elastic part; 31. moving rod. DETAILED DESCRIPTION

[0018] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0019] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0020] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0021] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0022] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0023] Reference Figures 1 to 8, a visualized gastrointestinal feeding tube, comprising: a TPU gastric tube 3, a guide wire, a feeder 60, a first connecting piece 10, a moving rod 31, a vibrator 14, and a first electromagnet 16; The TUP stomach tube has an insertion end that is inserted from the patient's nasal cavity along the duodenum to the stomach, and the TUP stomach tube includes a tube wall and a cavity 20 defined by the tube wall; the surface of the tube wall near the insertion end is penetrated to form a feeding port 30 that connects the stomach space and the cavity 20; wherein, the insertion end of the TUP stomach tube is provided with a camera for collecting video data during the insertion of the TUP stomach tube into the stomach, and a guide wire connecting the camera and an external display is passed through the cavity 20 so that the video data collected by the camera can be transmitted to the display; the cavity 20 has a sealed cavity for the guide wire to pass through to isolate the tube cavity for the diversion medium; more specifically, the end of the TUP stomach tube away from the insertion end is fixedly connected to the guide wire handle; the guide wire handle is provided with a guide wire steering adjustment rod to adjust the direction of the guide wire; through the arrangement of the above structure, the situation inside the stomach can be clearly displayed, the pylorus position can be clearly located, and the catheter can be clearly and quickly inserted, which reduces the pain of the patient, improves the operating efficiency of the doctor, and saves material, manpower and costs; In another embodiment, a gastric pressure detection air bag is arranged near the camera of the TUP gastric tube to detect gastric pressure; wherein a pressure indicator and a Luer device end interface are also arranged at the end of the guide wire away from the camera; the Luer device end interface is connected to an external device for easy operation; In another more specific embodiment, a feeder 60 is provided at the end of the TPU gastric tube away from the camera. The feeder 60 is a prior art for introducing a medium into the cavity 20 to achieve feeding. In this embodiment, no structural improvement of the feeder 60 is designed, so this embodiment will not be described in detail; a first connector 10 is provided between the TPU gastric tube 3 and the feeder 60 to connect the TPU gastric tube 3 and the feeder 60; the first connector 10 has a first connecting cavity 70 connecting the cavity 20 and the feeder 60; the end of the TPU gastric tube 3 away from the feeding port 30 is inserted into the first connecting cavity 70, so as to be connected with the first connecting cavity 70 and the cavity 20; specifically, the inner wall of the first connecting cavity 70 forms a groove 80, and the groove 80 is along the The first connecting cavity 70 extends along the circumferential direction of one circle; the end of the TPU gastric tube 3 inserted into the first connecting cavity 70 forms a bending portion 90, and the bending portion 90 is clamped in the clamping groove 80 to limit the movement of the TPU gastric tube 3 along the medium flow direction; a plurality of closing strips 100 arranged in an array along the circumferential direction of the first connecting member 10 are arranged at the end of the first connecting member 10 close to the feeding port 30; the surface of the closing strip 100 has a thread groove 110, which is threadedly connected to the external threaded sleeve 12; through the arrangement of the above structure, when the threaded sleeve 12 is threadedly connected to the thread groove 110, the closing strip 100 will be flipped toward the central axis of the first connecting member 10 by a certain angle so as to contact the surface of the TPU gastric tube 3, thereby fixing the TPU gastric tube 3 on the first connecting member 10.

[0024] In another specific embodiment, the moving rod 31 is arranged on the first connecting member 10 and inserted into the interior and end of the first connecting cavity 70; wherein, the vibrator 14 is arranged on the moving rod 31, and the vibrator 14 gives high-frequency vibration to the moving rod 31 after being energized; when in use, if the medium in the TPU gastric tube 3 is blocked, the vibrator 14 is energized, so that the moving rod 31 starts to vibrate, thereby enabling the TPU gastric tube 3 to vibrate, thereby vibrating the internal medium and having the function of clearing the blockage; in another preferred embodiment, a conical portion 13 and a threaded sleeve 12 are formed in the first connecting cavity 70; and the conical portion 13 The diameter of the end of the threaded sleeve 12; close to the threaded sleeve 12 is smaller than the diameter of the end away from the threaded sleeve 12; the TPU gastric tube 3 is located at the tapered portion 13 threaded sleeve 12; corresponding to the shape of the tapered portion 13 threaded sleeve 12;; with this arrangement, when the medium flows through the lumen, the flow rate is reduced at the tapered portion 13 threaded sleeve 12; due to the reduction of the diameter, the medium will accumulate in the TPU gastric tube 3 at the tapered portion 13 threaded sleeve 12;; at this time, the vibration of the moving rod 31 makes the medium in the tapered portion 13 threaded sleeve 12; be processed more evenly; with this design, the medium entering the lumen is more compact, and no gas will enter the lumen; Specifically, the connecting piece is also provided with a water injection port 15 connected to the threaded sleeve 12 of the tapered portion 13, and the water injection port 15 is connected to an externally connected water injection part, which may be a syringe or a micro water pump or other external parts that can be used to inject water into the water injection port 15; when the threaded sleeve 12 of the tapered portion 13 is filled with water, the water can surround the TPU gastric tube 3, so that after the moving rod 31 vibrates, the water can serve as a transmission medium to evenly transmit the vibration force to the surface of the TPU gastric tube 3, thereby improving the uniformity of the vibration and making the medium more uniform.

[0025] In another specific embodiment, a first electromagnet 16 is further provided on the first connecting member 10, and the first electromagnet 16 generates magnetism when energized; wherein a permanent magnet 17 opposite to the first electromagnet 16 is provided on the moving rod 31; the magnetic poles generated by the relative surfaces of the permanent magnet 17 and the first electromagnet 16 are the same; thus, after the first electromagnet 16 is energized, the moving rod 31 can contact the TPU gastric tube 3 to deform the TPU gastric tube 3; a first elastic member 18 is provided between the first electromagnet 16 and the permanent magnet 17, and the first elastic member 18 is The spring always allows the end of the moving rod 31 to contact the surface of the TPU stomach tube 3 before deformation; the material of the TPU stomach tube 3 can be any food-grade material such as rubber, silicone, etc. that deforms under the action of external force and can restore the state before deformation after the external force disappears; through the design of the above scheme, when in use, the power supply of the first electromagnet 16 can make the TPU stomach tube 3 blocked and stop delivering food; or the first electromagnet 16 is repeatedly powered on / off to make the moving rod 31 move back and forth, so that the TPU stomach tube 3 has an extrusion force on the internal medium, which is conducive to unblocking.

[0026] Specifically, the surface portion of the first connecting member 10 penetrates the threaded sleeve 12 of the tapered portion 13; a slide groove 19 is formed to guide the movement of the moving rod 31, and a sealing ring 20 is provided at the connection between the slide groove 19 and the threaded sleeve 12 of the tapered portion 13, and the sealing ring 20 is used to seal and prevent water from flowing back into the slide groove 19, thereby improving the sealing performance; wherein, a flow monitor 21 is also provided on the inner wall of the connecting cavity, and the flow monitor 21 can be directly purchased from the market, and is an electronic device for monitoring the flow rate in the lumen; the working principle of the flow monitor 21 has been disclosed, and will not be described in detail in this embodiment; Specifically, a central processing unit is provided on the first connecting member 10, and the central processing unit is electrically connected to the flow monitor 21 for receiving and processing the electrical signal transmitted by the flow monitor 21; it can be understood that the flow monitor monitors the flow of the medium in the lumen, and converts the signal into an electrical signal and transmits it to the central processing unit; if the medium does not flow obviously in the lumen, the central processing unit determines that it is blocked; at this time, the driver drives the first electromagnet 16 to be energized or the vibrator 14 to be energized to start unblocking.

[0027] In another specific embodiment, the visualized gastrointestinal feeding tube further has a second connecting member 22; wherein, the second connecting member 22 is arranged at the end of the first connecting member 10 close to the feeder 60, and the second connecting member 22 has a second connecting cavity 23 to connect the feeder 60 and the first connecting cavity 70; an electronic one-way valve 24 is arranged in the second connecting cavity 23, and the electronic one-way valve 24 only allows the medium in the feeder 60 to flow through the second connecting cavity 23 to the first connecting cavity 70; more specifically, the second connecting member 22 is connected to the inner wall of the first connecting cavity 70 through a thread so that the end of the second connecting member 22 contacts the bending portion 90 of the TPU gastric tube 3 in the slot 80, and the setting of the second connecting member 22 can further fix the TPU gastric tube 3; the above-mentioned structural setting can realize the disassembly and installation of the first connecting member 10, the second connecting member 22 and the TPU gastric tube 3.

[0028] More specifically, an external tube 25 connected to the outside is provided on the inner wall of the second connecting cavity 23 between the electronic one-way valve 24 and the first connecting piece 10, and the external tube 25 is connected to the drainage bag. With such a configuration, when the patient's stomach pressure increases, reflux will occur; the medium in the tube cavity will reflux into the drainage bag, and will not flow into the feeder 60 to cause contamination.

[0029] In another preferred embodiment, a limit block 26 is provided on the inner wall of the slide groove 19; the slide groove 19 moves along a moving trajectory close to / away from the interference block 27; a surface of the moving rod 31 located in the slide groove 19 is provided with an interference block 27 that interferes with the limit block 26; more specifically, a second electromagnet 28 is also provided on the first connecting member 10, and the second electromagnet 28 is electrically connected to the actuator through a central processing unit and can also control the power on / off of the second electromagnet 28; a second permanent magnet 29 corresponding to the second electromagnet 28 is provided on the limit block 26, and a second elastic member 30 is provided between the second electromagnet 28 and the second permanent magnet 17; in the initial state, the second elastic member 30 gives the limit block 26 a pulling force that is always away from the moving rod 31; the magnetic poles generated by the opposite surfaces of the second permanent magnet 17 and the second electromagnet 28 are the same; through the arrangement of the above structure When in use, for people who need to eat slowly, the second electromagnet 28 can be energized to move the limit block 26; at this time, if the first electromagnet 16 is energized, the moving rod 31 will move and the contact block 27 will contact the limit block 26, so that the moving rod 31 will contact the TPU gastric tube 3 and deform, but will not completely block the TPU gastric tube 3, thereby reducing the flow of the medium flowing through the TPU gastric tube 3; in addition, during the contact process, the moving rod 31 will continue to vibrate, which will vibrate the medium at that location to make it more uniform and reduce the risk of blockage; in another preferred embodiment, the limit block 26 can be evenly arranged in multiple numbers along the extension direction of the slide groove 19, and the central processing unit can respectively control the second electromagnets 28 corresponding to the limit blocks 26 at different positions; in this way, the moving distance of the moving rod 31 can be adjusted to adjust the medium flow.

[0030] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the embodiments of the present disclosure.

Claims

1. A visualized gastrointestinal feeding tube, comprising: A TPU stomach tube, comprising a tube wall and a cavity defined by the tube wall; A camera is arranged at the end of the TPU gastric tube inserted into the human body; A guide wire is inserted into the cavity to connect the camera to an external display; A feeder, disposed at the end of the TPU stomach tube to feed food into the cavity; Characterized in that the visualized gastrointestinal feeding tube further comprises: A first connecting piece having a communicating cavity for connecting the TPU gastric tube and the feeding device; A moving rod, disposed on the first connecting member and inserted into the communicating cavity; A vibrator, disposed on the moving rod to vibrate the moving rod; A first electromagnet is disposed on the first connecting member; Among them, the first connecting member is arranged between the TPU gastric tube and the feeder to connect the TPU gastric tube and the feeder; the end of the moving rod located in the connecting cavity contacts the surface of the TPU gastric tube; and a permanent magnet corresponding to the first electromagnet is arranged on the moving rod.

2. A visualized gastrointestinal feeding tube according to claim 1, characterized in that: A first elastic member is disposed between the first electromagnet and the permanent magnet, and the first elastic member enables the moving rod to always contact the surface of the TPU stomach tube located in the communicating cavity; The inner wall of the communication cavity is also provided with a flow monitor for monitoring the flow of the medium in the cavity; Wherein, the flow monitors are electrically connected to the first electromagnet and the vibrator.

3. A visualized gastrointestinal feeding tube according to claim 2, characterized in that: The first connecting member is provided with a central processing unit; The central processor is electrically connected to the flow monitor to receive and process the electrical signal transmitted by the flow monitor; The central processor includes an actuator, and the actuator is connected in parallel with the first electromagnet and the vibrator to control the opening and closing of the first electromagnet and the vibrator respectively.

4. A visualized gastrointestinal feeding tube according to claim 3, characterized in that: A second connecting member is provided at one end of the first connecting member close to the feeder; The second connecting member has a second communicating cavity for connecting the feeder and the first connecting member; An electronic one-way valve is arranged on the first connecting member and is electrically connected to the actuator.

5. A visualized gastrointestinal feeding tube according to claim 4, characterized in that: The second connecting member is provided with an external pipe between the electronic one-way valve and the first connecting member; The external tube is inserted into the second connecting cavity; Wherein, a drainage bag is arranged at one end of the external tube.

6. A visualized gastrointestinal feeding tube according to claim 5, characterized in that: The first connecting member is provided with a sliding groove for the moving rod to move; The inner wall of the slide groove is movably provided with a limit block; The surface of the moving rod located in the sliding groove is provided with a resisting block that resists the limiting block; Wherein, the limit block moves in the slide groove along a moving trajectory approaching / moving away from the interference block.

7. A visualized gastrointestinal feeding tube according to claim 6, characterized in that: A second electromagnet is also provided on the connecting member; The limit block is provided with a magnet corresponding to the second electromagnet; A second elastic member is disposed between the second electromagnet and the magnet; Wherein, in the initial state, the second elastic member applies a pulling force to the limit block to always keep it away from the moving rod; and the second electromagnet is electrically connected to the actuator.

8. The visualized gastrointestinal feeding tube according to claim 1, characterized in that: A tapered portion is formed in the first communicating cavity; The connecting piece is also provided with a water injection port connected with the tapered portion; A water injection piece is arranged at the water injection port to fill the conical portion with water.

9. A visualized gastrointestinal feeding tube according to claim 8, characterized in that: A sealing ring is provided at the junction of the movable groove and the tapered portion; The sealing ring is sleeved on the moving rod.

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