Three-cavity feeding device

Abstract

The utility model relates to a three-cavity feeding device which comprises a nutrition tube and an outer sleeve, a nutrition cavity, a pressure reducing cavity and a pressure adjusting cavity are formed in the outer sleeve, and the nutrition tube can penetrate into the nutrition cavity and be drawn out of the nutrition cavity. In other words, the nutrition tube and the outer sleeve are designed in a split mode, and the nutrition tube can be separated from the outer sleeve. Under normal conditions, the outer cannula and the nutrient canal can be integrally inserted into the stomach or the intestinal tract from the nose of a patient, and therefore feeding, pressure reduction, drainage and other operations are achieved. Compared with the outer sleeve, the pipe diameter of the nutrient canal can be obviously reduced. When the stomach and duodenum of a patient are narrow, the nutrient canal can be drawn out of the nutrient cavity, and then the front end of the nutrient canal is fed into a narrow area through a pipeline of a gastroscope. At the moment, the inserted nutrient canal can also be used as a guide tube, and the outer cannula can also be smoothly inserted into a designated area under the traction of the nutrient canal, so that the implantation of the three-cavity feeding device is completed. Therefore, the three-cavity feeding device is convenient to implant.

Description

Technical Field

[0001] The utility model relates to the technical field of medical instruments, in particular to a three-cavity feeding device. Background Art

[0002] Due to illness or injury, some patients need to provide liquid nutrition or medicine through a feeding tube. Common feeding tubes are generally made of polymer materials and can be inserted into the stomach or intestines through the nose. However, in some special cases, the patient's stomach, duodenum, etc. are abnormally narrow, making it difficult for the feeding tube to reach, so it is necessary to use a gastroscope tube to achieve implantation. However, because the existing feeding tubes integrate the three functions of feeding, pressure regulation, and exhaust, the tube diameter is larger, and the inner diameter of the gastroscope tube is usually smaller, which makes the implantation of the feeding tube inconvenient. Utility Model Content

[0003] Based on this, it is necessary to provide a three-chamber feeding device that is easy to implant to address the above problems.

[0004] A three-chamber feeding device, comprising a nutrient tube and an outer sleeve, wherein a nutrient chamber, a decompression chamber and a pressure regulating chamber are formed in the outer sleeve, the nutrient chamber, the decompression chamber and the pressure regulating chamber are arranged in parallel and extend along the length direction of the outer sleeve, and both ends of the nutrient chamber are open, and a decompression interface and a pressure regulating interface respectively connected to the decompression chamber and the pressure regulating chamber are provided on the outer sleeve;

[0005] The nutrition tube can penetrate into the nutrition cavity and extend out from the front end of the nutrition cavity for entering the body, and the nutrition tube can also be drawn out from the nutrition cavity.

[0006] In one embodiment, the front end of the nutrition tube for entering the body is rolled up to form a curled portion, and a plurality of nutrition holes are opened along the extension direction of the curled portion.

[0007] In one of the embodiments, a front end of the outer sleeve is provided with a plurality of decompression holes connected with the decompression chamber along the extension direction of the decompression chamber.

[0008] In one of the embodiments, a front end of the outer sleeve is provided with a plurality of pressure regulating holes connected with the pressure regulating cavity along the extension direction of the pressure regulating cavity.

[0009] In one embodiment, the front end of the outer sleeve is tapered.

[0010] In one embodiment, the invention further comprises a guide wire, wherein the guide wire can be inserted into the feeding tube and can be withdrawn from the feeding tube.

[0011] In one of the embodiments, a sealing cap is further included, wherein the sealing cap is capable of positioning the nutrition tube in the nutrition cavity and filling a gap between the nutrition tube and the nutrition cavity.

[0012] In one embodiment, the cross-section of the outer sleeve is circular.

[0013] In one embodiment, the inner wall of the outer sleeve is provided with an integrally formed diaphragm, and the diaphragm divides the interior of the outer sleeve into the nutrient chamber, the decompression chamber and the pressure regulating chamber which are independent of each other.

[0014] In the above-mentioned three-chamber feeding device, the nutrition tube and the outer sleeve adopt a split design, and the nutrition tube can be separated from the outer sleeve. Under normal circumstances, the outer sleeve and the nutrition tube can be inserted from the patient's nose into the stomach or intestine as a whole, so as to achieve feeding, decompression and drainage operations. Compared with the outer sleeve, the diameter of the nutrition tube can be significantly reduced. When the patient's stomach and duodenum are narrow, the nutrition tube can be pulled out of the nutrition cavity first, and then the front end of the nutrition tube can be sent into the narrow area through the pipeline of the gastroscope. At this time, the inserted nutrition tube can also be used as a guide tube, and the outer sleeve can also be smoothly inserted into the designated area under the traction of the nutrition tube, thereby completing the implantation of the above-mentioned three-chamber feeding device. It can be seen that the above-mentioned three-chamber feeding device is relatively convenient to implant. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic structural diagram of the three-chamber feeding device in the assembly state in a preferred embodiment of the utility model;

[0017] Figure 2 for Figure 1 The schematic diagram of the structure of the three-chamber feeding device in the separated state is shown;

[0018] Figure 3 for Figure 2 Schematic diagram of a cross section of the outer cannula in the three-chamber feeding device shown. DETAILED DESCRIPTION

[0019] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0022] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0025] See also Figure 1 and Figure 2 The three-chamber feeding device 100 in the preferred embodiment of the present invention includes a feeding tube 110 , an outer tube 120 and a guide wire 130 .

[0026] The nutrition tube 110 can be formed of materials such as plastics and resins, and has certain toughness and mechanical strength. The inside of the nutrition tube 110 is hollow and is used to transport nutrients. The front end of the nutrition tube 110 can be inserted into the stomach and intestines of the patient, so as to directly transport the nutrients into the patient's body.

[0027] In this embodiment, the front end of the nutrition tube 110 for entering the body is rolled up to form a curled portion 111, and a plurality of nutrition holes 1111 are provided along the extension direction of the curled portion 111. The curled portion 111 can increase the contact area between the front end of the nutrition tube 110 and the stomach and intestines of the patient, and the plurality of nutrition holes 1111 can provide a plurality of outflow channels for nutrients distributed along the extension direction of the curled portion 111. In this way, the nutrients can be evenly released in the patient's body.

[0028] Please also read Figure 3The diameter of the outer sleeve 120 is larger than that of the nutrition tube 110, and a nutrition cavity 101, a decompression cavity 102 and a pressure regulating cavity 103 are formed therein. Among them, the nutrition cavity 101, the decompression cavity 102 and the pressure regulating cavity 103 are arranged side by side and extend along the length direction of the outer sleeve 120. The outer sleeve 120 is provided with a decompression interface 121 and a pressure regulating interface 122 which are respectively connected to the decompression cavity 102 and the pressure regulating cavity 103. The material of the outer sleeve 120 can be consistent with that of the nutrition tube 110, and the front end of the outer sleeve 120 can also be inserted into the stomach and intestines of the patient. Specifically, the front end of the outer sleeve 120 is tapered. In this way, the front end of the outer sleeve 120 can play a guiding role, so that the outer sleeve 120 is easier to insert.

[0029] Furthermore, both ends of the nutrient cavity 101 are open, and the nutrient tube 110 can be inserted into the nutrient cavity 101 and extended from the front end of the nutrient cavity 101 for entering the body. Moreover, the nutrient tube 110 can also be pulled out of the nutrient cavity 101. In other words, the nutrient tube 110 and the outer sleeve 120 are designed to be split, and the nutrient tube 110 can be separated from the outer sleeve 120. Moreover, the diameter of the nutrient tube 110 is generally slightly smaller than the inner diameter of the nutrient cavity 101, so the diameter of the nutrient tube 110 is significantly smaller than the diameter of the outer sleeve 120.

[0030] Under normal circumstances, the outer sleeve 120 and the nutrition tube 110 can be inserted from the patient's nose into the stomach or intestines as a whole. At this time, feeding can be achieved through the nutrition tube 110. At the same time, the decompression interface 121 and the pressure regulating interface 122 can be connected to negative pressure and negative pressure respectively, so that decompression, drainage and pressure regulation can also be achieved on the patient's gastrointestinal area.

[0031] When the patient's stomach and duodenum are stenotic, the nutrition tube 110 can be firstly pulled out of the nutrition cavity 101, and then the front end of the nutrition tube 110 can be sent into the stenotic area through the tube of the gastroscope. At this time, the inserted nutrition tube 110 can also be used as a guide tube, and the outer sleeve 120 can also be smoothly inserted into the designated area under the traction of the nutrition tube 110, so that the implantation of the three-chamber feeding device 100 can be completed. Specifically, after the nutrition tube 110 is implanted, the front end of the nutrition cavity 101 can be inserted from the rear end of the nutrition tube 110, and the outer sleeve 120 can be gradually pushed forward along the nutrition tube 110 to smoothly insert the outer sleeve 120.

[0032] Specifically in this embodiment, the cross section of the outer sleeve 120 is circular. Therefore, the outer wall of the outer sleeve 120 does not have an angular structure, and its outer surface is relatively smooth to reduce resistance, thereby facilitating the insertion of the outer sleeve 120.

[0033] The guide wire 130 can be inserted into the nutrition tube 110 and can be withdrawn from the nutrition tube 110. Since the nutrition tube 110 is thin and soft, it may be bent or stuck when passing through the tube of the gastroscope. The guide wire 130 can be formed of metal or plastic with high hardness. After being inserted, it can support the nutrition tube 110, guide the nutrition tube 110 to pass through the tube of the gastroscope smoothly, and can be withdrawn after the nutrition tube 110 is successfully implanted.

[0034] It should be noted that, in other embodiments, when the hardness of the feeding tube 110 is sufficient to support it to pass smoothly through the tube of the gastroscope, the guide wire 130 may also be omitted.

[0035] Please refer again Figure 3 In this embodiment, the inner wall of the outer sleeve 120 is provided with an integrally formed diaphragm 125, which divides the interior of the outer sleeve 120 into mutually independent nutrition chambers 101, decompression chambers 102, and pressure regulating chambers 103. The diaphragm 125 can serve as a common side wall for the nutrition chamber 101, the decompression chamber 102, and the pressure regulating chamber 103, so the diameter of the outer sleeve 120 can be reduced to a certain extent. Moreover, the diaphragm 125 can also support the outer sleeve 120 from the inside, thereby increasing the structural strength of the outer sleeve 120, so as to facilitate the smooth insertion of the outer sleeve 120 into the patient's body.

[0036] Please refer again Figure 1 and Figure 2 In this embodiment, a plurality of decompression holes 123 communicating with the decompression chamber 102 are provided at the front end of the outer sleeve 120 along the extension direction of the decompression chamber 102. The plurality of decompression holes 123 can be used to uniformly decompress or drain the gastrointestinal tract.

[0037] In this embodiment, the front end of the outer sleeve 120 is provided with a plurality of pressure regulating holes 124 connected to the pressure regulating cavity 103 along the extension direction of the pressure regulating cavity 103. Through the plurality of pressure regulating holes 124, the gas can enter the gastrointestinal tract from different positions, thereby helping to maintain a uniform pressure at various locations.

[0038] In addition, in this embodiment, the three-chamber feeding device 100 further includes a sealing cap 140, which can position the nutrition tube 110 in the nutrition chamber 101 and fill the gap between the nutrition tube 110 and the nutrition chamber 101. The sealing cap 140 can be annular and can be clamped with the nutrition tube 110. Moreover, the edge of one end of the sealing cap 140 can be clamped in the gap between the nutrition tube 110 and the nutrition chamber 101, thereby playing a role in positioning and sealing. The provision of the sealing cap 140 can prevent nutrients from leaking from the gap between the nutrition tube 110 and the nutrition chamber 101, and can prevent pressure leakage.

[0039] The above-mentioned three-chamber feeding device 100, the nutrition tube 110 and the outer sleeve 120 adopt a split design, and the nutrition tube 110 can be separated from the outer sleeve 120. Under normal circumstances, the outer sleeve 120 and the nutrition tube 110 can be inserted from the patient's nose into the stomach or intestine as a whole, so as to achieve operations such as feeding, decompression and drainage. Compared with the outer sleeve 120, the diameter of the nutrition tube 110 can be significantly reduced. When encountering a situation where the patient's stomach and duodenum are stenotic, the nutrition tube 110 can be first pulled out of the nutrition cavity 101, and then the front end of the nutrition tube 110 can be sent into the stenotic area through the pipeline of the gastroscope. At this time, the inserted nutrition tube 110 can also be used as a guide tube, and the outer sleeve 120 can also be smoothly inserted into the designated area under the traction of the nutrition tube 110, thereby completing the implantation of the above-mentioned three-chamber feeding device 100. It can be seen that the above-mentioned three-chamber feeding device 100 is relatively convenient to implant.

[0040] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0041] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A three-chamber feeding device, characterized in that: The invention comprises a nutrition tube and an outer sleeve, wherein a nutrition cavity, a decompression cavity and a pressure regulating cavity are formed in the outer sleeve, the nutrition cavity, the decompression cavity and the pressure regulating cavity are arranged in parallel and extend along the length direction of the outer sleeve, and both ends of the nutrition cavity are open, and a decompression interface and a pressure regulating interface which are respectively connected with the decompression cavity and the pressure regulating cavity are provided on the outer sleeve; The nutrition tube can penetrate into the nutrition cavity and extend out from the front end of the nutrition cavity for entering the body, and the nutrition tube can also be drawn out from the nutrition cavity.

2. The three-chamber feeding device according to claim 1, characterized in that: The front end of the nutrition tube used for entering the body is rolled up to form a curled portion, and a plurality of nutrition holes are opened along the extending direction of the curled portion.

3. The three-chamber feeding device according to claim 1, characterized in that: A plurality of decompression holes communicating with the decompression chamber are formed at the front end of the outer sleeve along the extending direction of the decompression chamber.

4. The three-chamber feeding device according to claim 1, characterized in that: A plurality of pressure regulating holes communicating with the pressure regulating cavity are formed at the front end of the outer sleeve along the extending direction of the pressure regulating cavity.

5. The three-chamber feeding device according to claim 1, characterized in that: The front end of the outer sleeve is tapered.

6. The three-chamber feeding device according to claim 1, characterized in that: Also included is a guide wire, which can be inserted into the feeding tube and can be withdrawn from the feeding tube.

7. The three-chamber feeding device according to claim 1, characterized in that: A sealing cap is also included, which can position the nutrition tube in the nutrition cavity and fill the gap between the nutrition tube and the nutrition cavity.

8. The three-chamber feeding device according to claim 1, characterized in that: The cross section of the outer sleeve is circular.

9. The three-chamber feeding device according to claim 1, characterized in that: The inner wall of the outer sleeve is provided with an integrally formed diaphragm, and the diaphragm divides the interior of the outer sleeve into the nutrition chamber, the decompression chamber and the pressure regulating chamber which are independent of each other.

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