Intelligent jejunum nutrient canal implantation device under guidance of gastroscope

By designing a gastroscopic-guided jejunal nutrition tube intelligent placement device with elastic sleeve, folding airbag and strut, the problem of difficulty in reaching the target position and causing damage to the intestine during the placement process is solved, and a more efficient and safe nutrition tube placement is achieved.

CN119523812AInactive Publication Date: 2025-02-28JIANGSU PROVINCE HOSPITAL (THE FIRST AFFILIATED HOSPITAL OF NANJING MEDICAL UNIVERSITY)
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Patent Information

Application Number
CN202510023906.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-02-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

During the insertion process, the jejunal nutrient tube is too long and soft, making it difficult to reach the target position, which increases the surgical time and may cause damage to the intestine.

Method used

An intelligent placement device for jejunal nutritional tube under gastroscopy is designed, including an endoscopic lens body and a nutritional tube. The front end of the mirror body is fixedly installed with a tube core, and an elastic sleeve, a folding airbag, a strut and a wire drawing are installed at the head end of the tube core. The nutrient tube is inserted into the intestine through these structures and the intestine is expanded through the negative pressure pump and the airbag.

Benefits of technology

Through the combination of elastic sleeves and struts, the nutrient tube can pass through the intestine more smoothly, reduce the operation time, reduce the risk of intestinal damage, and expand the intestine through the airbag, improving the success rate of nutrient tube placement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention aims to provide an intelligent jejunum nutrient canal implantation device under the guidance of a gastroscope, and relates to the technical field of medical instruments, a tube core is fixedly arranged at the front end of an endoscope body, an elastic sleeve is fixedly arranged at the head end of the tube core, the tube core is sleeved with the elastic sleeve, one end of a supporting rod is connected with the elastic sleeve, and the other end of the supporting rod is connected with a traction wire in the tube core. The tail end of the nutrition tube is sleeved from the head end of the tube core, so that the nutrition tube is sleeved on the tube core, the control rod rotationally arranged on the endoscope body is pinched to drive the traction wire to pull the supporting rod to rotate, the elastic sleeve is opened, the nutrition tube forwards extends into the elastic sleeve, the control rod is loosened, and the elastic sleeve wraps the head end of the nutrition tube. Transition between the head end of the nutrition tube and the head end of the tube core is smoother, and the passing rate of the nutrition tube in the intestinal tract is increased; the intestinal tract can be expanded by inflating the folding air bag, so that the visual field can be better exposed; the view of the intestinal tract can be illuminated through the illuminating lamp, so that the camera can conveniently transmit the internal condition of the intestinal tract to the display screen on the endoscope body.
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Description

Technical Field

[0001] The present invention relates to the technical field related to medical devices, and in particular to an intelligent jejunal nutrition tube insertion device under the guidance of a gastroscope. Background Art

[0002] The jejunal feeding tube is a medical device that delivers nutrients directly into the small intestine to bypass the function of the stomach, thereby helping patients provide nutritional support. It is suitable for people with gastrointestinal motility disorders or esophageal reflux, and can also be used for gastrointestinal decompression and postoperative nutritional support.

[0003] Currently, jejunal feeding tubes are also used in colorectal open surgery or esophageal cancer surgery. However, during the insertion of the jejunal feeding tube, the jejunal feeding tube is too long and soft, making it inconvenient to reach the target position, making insertion difficult, increasing the operation time, and even easily causing damage to the intestines. Summary of the invention

[0004] In view of the deficiencies of the prior art, the present invention provides the following technical solutions:

[0005] A gastroscope-guided jejunal nutrition tube intelligent insertion device comprises an endoscope body and a nutrition tube, a tube core is fixedly installed at the front end of the endoscope body, an elastic sleeve is fixedly arranged on the periphery of the head end of the tube core, and a folding airbag is fixedly arranged at the head end of the tube core and at the front end of the elastic sleeve, a trachea is arranged in the tube core to inflate the folding airbag, a plurality of struts are arranged in a circumferential array at the head end of the tube core, the struts are rotatably connected to the tube core, and a pulling wire is arranged in the tube core, one end of the strut is connected to the elastic sleeve, and the other end is connected to the pulling wire, the nutrition tube is sleeved on the tube core, and the stretch rod is pulled by the pulling wire to rotate to expand the elastic sleeve and sleeve it on the head end of the nutrition tube.

[0006] Furthermore, a camera is fixedly arranged at the head end of the tube core, and a plurality of lighting lamps are arranged in a circular array behind the camera on the tube core.

[0007] Furthermore, a groove is provided on the tube core, the folding airbag is folded and placed in the groove, a negative pressure pump is arranged in the endoscope body, one end of the trachea passes through the groove and is connected to the folding airbag, and the other end is connected to the negative pressure pump, and an interface is arranged on the endoscope body, the interface connecting the outside world and the negative pressure pump.

[0008] Furthermore, a control rod is rotatably mounted on the endoscope body, and the tail end of the pulling wire is connected to the control rod, and the pulling wire is pulled by rotating the control rod.

[0009] Furthermore, a display screen is rotatably arranged on the endoscope body.

[0010] Furthermore, a handle and a plurality of control buttons are provided on the endoscope body.

[0011] Furthermore, the head end of the tube core is a conical structure with a smooth cone top.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The present invention has a tube core fixedly arranged at the front end of the endoscope body, and an elastic sleeve fixedly arranged at the head end of the tube core, which is sleeved on the tube core, and a plurality of struts are arranged in a circumferential array at the head end of the tube core, one end of the strut is connected to the elastic sleeve, and the other end is connected to the pulling wire in the tube core. When in use, the tail end of the nutrient tube is inserted from the head end of the tube core so that the nutrient tube is sleeved on the tube core. By pinching the control rod rotatably arranged on the endoscope body, the pulling wire drives the strut to rotate, the elastic sleeve is stretched open, the nutrient tube is extended forward into the elastic sleeve, the control rod is released, and the elastic sleeve wraps the head end of the nutrient tube, so that the transition between the head end of the nutrient tube and the head end of the tube core is smoother, thereby increasing the passing rate of the nutrient tube in the intestine;

[0014] 2. The present invention provides a groove on the tube core head, and a folding airbag is arranged in the groove. During the insertion of the tube core and the nutrition tube, the folding airbag can be inflated and deflated through the negative pressure pump and the trachea on the endoscope body. By inflating the folding airbag to expand it, the intestine can be stretched to expose a better field of vision, and the intestine can also be expanded to a certain extent to facilitate the insertion of the tube core and the nutrition tube;

[0015] 3. The present invention fixes a camera at the head end of the tube core, and arranges a plurality of lighting lamps in a circular array behind the camera on the tube core. The lighting lamps can illuminate the intestinal field, making it convenient for the camera to transmit the internal conditions of the intestine to the display screen on the endoscope body, and the display screen is rotatably installed on the endoscope body, so that the internal conditions of the intestine can be observed more closely. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 2 It is a schematic diagram of a partial cross-sectional structure viewed from above of the present invention;

[0018] Figure 3 It is a schematic diagram of the side cross-sectional structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the elastic sleeve of the present invention being unfolded;

[0020] Figure 5 It is a schematic diagram of the closure of the elastic sleeve of the present invention.

[0021] In the figure: endoscope body -1, control rod -2, grip -3, control button -4, display screen -5, feeding tube -6, tube core -7, camera -71, folding airbag -72, support rod -73, elastic sleeve -74, lighting lamp -75, negative pressure pump -8, interface -801, power supply -9, pulling wire -10, trachea -11. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Embodiment 1:

[0024] See also Figure 1-5 A gastroscope-guided jejunal nutrition tube intelligent insertion device comprises an endoscope body 1 and a nutrition tube 6, a tube core 7 is fixedly installed at the front end of the endoscope body 1, an elastic sleeve 74 is fixedly arranged at the periphery of the head end of the tube core 7, a plurality of struts 73 are arranged in a circumferential array at the head end of the tube core 7, the struts 73 are rotatably connected to the tube core 7, and a pulling wire 10 is arranged inside the tube core 7, one end of the strut 73 is connected to the elastic sleeve 74, and the other end is connected to the pulling wire 10, the nutrition tube 6 is sleeved on the tube core 7, and the stretching wire 10 pulls the strut 73 to rotate and expand the elastic sleeve 74 to sleeve on the head end of the nutrition tube 6;

[0025] In this embodiment, the control rod 2 is rotatably mounted on the endoscope body 1, and the tail end of the pulling wire 10 is connected to the control rod 2. The pulling wire 10 is pulled by rotating the control rod 2. The control rod 2 is connected to the endoscope body 1 through an elastic element, and the front end of the pulling wire 10 is connected to the inside of the head end of the tube core 7 through an elastic element.

[0026] In this embodiment, a tube core 7 is fixedly provided at the front end of the endoscope body 1, and an elastic sleeve 74 is fixedly provided at the head end of the tube core 7, which is sleeved on the tube core 7, and a plurality of struts 73 are arranged in a circular array at the head end of the tube core 7, one end of the strut 73 is connected to the elastic sleeve 74, and the other end is connected to the pulling wire 10 in the tube core 7. When in use, the tail end of the nutrition tube 6 is inserted from the head end of the tube core 7 so that the nutrition tube 6 is sleeved on the tube core 7, and the control rod 2 rotatably provided on the endoscope body 1 is pinched to drive the pulling wire 10 to pull the strut 73 to rotate, so as to open the elastic sleeve 74 and extend the nutrition tube 6 forward into the elastic sleeve 74, and then the control rod 2 is released, so that the elastic sleeve 74 wraps the head end of the nutrition tube 6, so that the transition between the head end of the nutrition tube 6 and the head end of the tube core 7 is smoother, thereby increasing the passing rate of the nutrition tube 6 in the intestine, increasing the probability of successful insertion of the nutrition tube, reducing intestinal damage, reducing postoperative complications, and reducing the duration of the operation.

[0027] Embodiment 2:

[0028] See also Figure 1-5 According to Example 1, the head end of the tube core 7 is located at the front end of the elastic sleeve 74, and a folding airbag 72 is fixedly arranged. An air tube 11 is arranged in the tube core 7 to inflate the folding airbag 72. A groove is provided on the tube core 7, and the folding airbag 72 is folded and placed in the groove. A negative pressure pump 8 is arranged in the endoscope body 1, and an interface 801 is arranged on the endoscope body 1. The interface 801 connects the outside and the negative pressure pump 8. One end of the air tube 11 passes through the groove and is connected to the folding airbag 72, and the other end is connected to the negative pressure pump 8. The folding airbag 72 is an annular foldable and shrinkable airbag. A grip 3 and a plurality of control buttons 4 are arranged on the endoscope body 1, which are convenient for holding the endoscope body 1 and pressing the control button 4 to control the operation of the negative pressure pump 8;

[0029] In this embodiment, a groove is provided at the tip end of the tube core 7, and a folding airbag 72 is arranged in the groove. During the insertion process of the tube core 7 and the nutrition tube 6, the folding airbag 72 can be inflated and deflated by the negative pressure pump 8 and the trachea 11 on the endoscope body 1. By inflating the folding airbag 72 to expand it, the intestine can be stretched to expose a better field of view, and the intestine can also be expanded to a certain extent to facilitate the insertion of the tube core 7 and the nutrition tube 6.

[0030] Embodiment 3:

[0031] See also Figure 1-5 According to embodiment 1-2, a camera 71 is fixedly provided at the head end of the tube core 7, and a plurality of lighting lamps 75 are arranged in a circular array behind the camera 71 on the tube core 7, and a display screen 5 is rotatably provided on the endoscope body 1;

[0032] In this embodiment, a camera 71 is fixedly provided at the head end of the tube core 7, and a plurality of lighting lamps 75 are arranged in a circular array behind the camera 71 on the tube core 7. The lighting lamps 75 can illuminate the intestinal field, so that the camera 71 can transmit the internal conditions of the intestine to the display screen 5 on the endoscope body 1, and the display screen 5 can be rotatably installed on the endoscope body 1. The angle of the display screen 5 can be rotatably adjusted, so that the internal conditions of the intestine can be observed more conveniently.

[0033] Embodiment 4:

[0034] See also Figure 1-5 According to embodiments 1-3, the head end of the tube core 7 is a conical structure with a smooth cone top, which improves the passage rate of the tube core 7 in the intestine.

[0035] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A gastroscope-guided jejunal nutrition tube intelligent insertion device, comprising an endoscope body and a nutrition tube, characterized in that: A tube core is fixedly installed at the front end of the endoscope body, an elastic sleeve is fixedly arranged on the periphery of the head end of the tube core, and a folding airbag is fixedly arranged at the front end of the elastic sleeve at the head end of the tube core, a trachea is arranged in the tube core to inflate the folding airbag, a plurality of struts are arranged in a circular array at the head end of the tube core, the struts are rotatably connected to the tube core, and a pulling wire is arranged in the tube core, one end of the strut is connected to the elastic sleeve, and the other end is connected to the pulling wire, the nutrition tube is sleeved on the tube core, and the elastic sleeve is expanded and sleeved on the head end of the nutrition tube by pulling the struts by the pulling wire.

2. According to claim 1, a gastroscope-guided jejunal nutrition tube intelligent insertion device is characterized in that: A camera is fixedly arranged at the head end of the tube core, and a plurality of lighting lamps are arranged in a circular array behind the camera on the tube core.

3. According to claim 1, a gastroscopy-guided jejunal nutrition tube intelligent insertion device is characterized in that: A groove is provided on the tube core, the folding airbag is folded and placed in the groove, a negative pressure pump is arranged in the endoscope body, one end of the trachea passes through the groove and is connected to the folding airbag, and the other end is connected to the negative pressure pump, and an interface is arranged on the endoscope body, the interface is connected to the outside world and the negative pressure pump.

4. The intelligent device for inserting jejunal nutrition tube under gastroscopy guidance according to claim 1, characterized in that: A control rod is rotatably mounted on the endoscope body, and the tail end of the pulling wire is connected to the control rod. The pulling wire is pulled by rotating the control rod.

5. The intelligent device for inserting jejunal nutrition tube under gastroscopy guidance according to claim 1, characterized in that: A display screen is rotatably arranged on the endoscope body.

6. The intelligent device for inserting jejunal nutrition tube under gastroscopy guidance according to claim 1, characterized in that: A handle and a plurality of control buttons are arranged on the endoscope body.

7. The intelligent device for inserting jejunal nutrition tube under gastroscopy guidance according to claim 1, characterized in that: The head end of the tube core is a conical structure with a smooth cone top.