Anti-reflux stomach tube adapter structure

The combination of a protective shell structure and a semi-circular pressure plate solves the problems of accidental contact and contamination of the gastric tube adapter, achieving a higher level of anti-backflow and anti-contamination effect and improving safety in use.

CN223682921UActive Publication Date: 2025-12-19HAINAN XINGNAI PHARMACEUTICAL CO LTD +1
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Patent Information

Application Number
CN202422950972.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-12-19
Estimated Expiration
2034-12-02

AI Technical Summary

Technical Problem

Existing gastric tube adapters are prone to accidental contact, increasing the risk of reflux, and the connector ends are easily contaminated, reducing safety during use.

Method used

It adopts a protective shell structure, with an internal flexible hose and a semi-circular pressure plate. The opening and closing of the internal flexible hose is controlled by adjusting the screw. Combined with a dirt cover and a locking device, it prevents accidental contact and contamination.

Benefits of technology

It effectively prevents gastric reflux, improves the safety and anti-contamination effect of gastric tube use, and enhances the sealing and stability of the connector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of stomach tube adapters, in particular to an anti-reflux stomach tube adapter structure. According to the technical scheme, the device comprises a protective shell, a sealing cover is installed at the open end of the protective shell, two connector positioning bases are fixedly installed on the protective shell, a built-in hose is arranged in the protective shell, hollow pipe connectors are installed at the two ends, away from each other, of the built-in hose, one hollow pipe connector is sleeved with an anti-fouling cover, and an adjusting base is installed on the outer wall of the protective shell; an adjusting screw rod is installed on the adjusting base in a threaded mode, and a semi-arc-shaped pressing plate is rotationally installed at one end of the adjusting screw rod. The built-in hose can be stably clamped through the semi-arc-shaped pressing plate, when the stomach tube is not connected with a feeding device, gastric juice can be prevented from flowing back, the situation that the stomach tube is opened due to the fact that a patient touches the adapter by mistake is avoided, the anti-backflow effect is enhanced, the anti-pollution cover is installed on the corresponding connector positioning base, the hollow tube connector can be prevented from being polluted, and the anti-pollution effect is good. And the use safety of the stomach tube is effectively improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to stomach tube adapter technical field, especially stomach tube adapter structure of anti -backflow. BACKGROUND

[0002] The stomach tube is a kind of catheter for nasal feeding, usually is silica gel material, is inserted into the stomach through nose, is more commonly used, applicable to multiple conditions, for example, refuses to eat, coma, oral cavity disease or postoperative oral cavity, cannot swallow, mouth opening is more difficult, coughing easily causes pulmonary inflammation etc., can be through nasal gastric tube infusion liquid food, moisture and medicine, to provide enteral nutrition support.

[0003] During the use of the stomach tube, since most of the stomach tube is inserted into the patient's body, the end located outside the patient's body needs to be installed with a conversion connector, and a back pressure prevention piece is installed on the conversion connector, so that gastric juice can be prevented from flowing back along the stomach tube during the period when feeding is not needed.

[0004] However, in the actual operation process, since the stomach tube conversion connector uses a pressing type pressure piece as a control switch, the pressing switch is easily mispressed during the patient's bed rest period, increasing the risk of backflow, and the end of the conversion connector connected with the feeding device is usually sealed with a sealing plug, which easily causes the interface end to contact contaminants, increases the probability of contamination of the stomach tube, and obviously reduces the safety of the stomach tube during use. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems of the pressing type control switch being easily mispressed and the end of the conversion connector being easily contaminated in the background art, and provides a stomach tube adapter structure capable of being safely used.

[0006] The technical scheme of the utility model provides a stomach tube adapter structure capable of being safely used.

[0007] The utility model discloses a built-in hose, which is arranged in the closed interval formed by the protective shell and the cover, and the two ends of the built-in hose are fixedly installed with hollow pipe connectors through the matched connector positioning seats, and a dirt prevention cover is sleeved with the outer part of one of the hollow pipe connectors.

[0008] The utility model discloses an adjusting seat, which is fixedly installed on the outer wall of the protective shell, and an adjusting screw is screwedly installed on the adjusting seat, one end of the adjusting screw is rotatably installed with a semicircular pressing plate in the protective shell, and the semicircular pressing plate is used for pressing the built-in hose.

[0009] Optionally, a hose winding wheel is rotatably arranged in the protective shell, the inner hose is overlapped on the hose winding wheel, and the semi-arc pressing plate is arranged between the hose winding wheel and the inner wall of the protective shell.

[0010] Optionally, a threaded sleeve is fixedly arranged on one of the joint positioning seats, and one end of the anti-fouling cover is inserted into the threaded sleeve and is threadedly connected with the threaded sleeve.

[0011] Optionally, a limiting plate is fixedly arranged on the semi-arc pressing plate, the limiting plate extends into the adjusting seat through the through hole of the protective shell, one end of the limiting plate away from the semi-arc pressing plate is fixedly arranged with a connecting seat, and one end of the adjusting screw is inserted into the connecting seat and is rotatably connected with the connecting seat.

[0012] Optionally, a slot is arranged at the top end of the adjusting seat, the anti-fouling cover is clamped on the slot, and the adjusting screw is arranged in the anti-fouling cover.

[0013] Optionally, a circular limiting hole is arranged on the cover, and the two ends of the hose winding wheel are fixedly arranged with connecting shafts, one of the connecting shafts is inserted into the circular limiting hole and is rotatably connected with the circular limiting hole.

[0014] Optionally, a locking device is clamped on the cover, a positioning hole is arranged on the cover, one end of the locking device close to the cover is fixedly arranged with a positioning column, the positioning column is inserted into the positioning hole and is clampedly connected with the positioning hole, a locking block is fixedly arranged on the locking device, and the locking block is inserted into the insertion hole arranged at the top end of the matching connecting shaft and is clampedly connected with the insertion hole.

[0015] Optionally, an annular sealing ring is fixedly arranged on the cover, and the outer wall of the annular sealing ring is in close contact with the inner wall of the protective shell.

[0016] Compared with the prior art, the application has at least one of the following beneficial technical effects:

[0017] The semi-arc pressing plate is pushed to one side of the inner hose by rotating the adjusting screw, the inner hose can be stably clamped, gastric juice reflux can be prevented during the period when the gastric tube is not connected with the feeding device, compared with the pressing type control structure, the gastric tube can be prevented from being opened due to the mistaken touch of the patient on the adapter, the anti-reflux effect is improved, the anti-fouling cover is arranged on the corresponding joint positioning seat, the hollow pipe joint can be prevented from being polluted, and the safety during use of the gastric tube is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The overall structure schematic diagram of the utility model is given;

[0019] Figure 2 The internal structure schematic diagram of the protective shell of the utility model is shown.

[0020] Figure 3 is a sectional view of the utility model;

[0021] Figure 4 is Figure 3 is an enlarged schematic view of A in the middle;

[0022] Figure 5 is a structure schematic view of the utility model's cover and lock.

[0023] Reference signs: 1, protective shell;

[0024] 2, joint positioning seat; 21, internal thread sleeve;

[0025] 3, anti-fouling cover;

[0026] 4, hollow pipe joint;

[0027] 5, cover; 51, annular sealing ring; 52, circular limiting port; 53, positioning hole;

[0028] 6, lock; 61, locking block; 62, positioning column;

[0029] 7, protective cover;

[0030] 8, adjusting seat; 81, adjusting screw; 82, insertion slot;

[0031] 9, built-in hose;

[0032] 10, hose winding wheel; 101, connecting shaft;

[0033] 11, semi-arc-shaped pressing plate; 111, limiting plate; 112, connecting seat. DETAILED DESCRIPTION

[0034] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments.

[0035] EMBODIMENT

[0036] As Figures 1-5As shown, the utility model provides a kind of anti-reflux stomach tube adapter structure, including protective shell 1, the open end of protective shell 1 is fixedly installed with cover 5 by screw, rotatingly installed with hose winding wheel 10 in protective shell 1, one end of hose winding wheel 10 is rotatably connected with cover 5, and the hose winding wheel 10 is overlapped with built-in hose 9, when replacing built-in hose 9, the end of built-in hose 9 is extracted to drive hose winding wheel 10 to rotate, and built-in hose 9 is conveniently pulled out from protective shell 1;Two connector positioning seats 2 are integrally formed on the protective shell 1 described above, the two ends of built-in hose 9 are both passed through the matching connector positioning seat 2 and extend to its outside, and the two ends of built-in hose 9 and the position close to connector positioning seat 2 are both fixedly installed with hollow tube connector 4, one of hollow tube connector 4 is connected with the silicone tube inserted into patient's body, and the other hollow tube connector 4 can be connected with the outlet end of feeding device, to facilitate feeding patient;One of connector positioning seat 2 is fixedly installed with internal thread sleeve 21, and the internal thread sleeve 21 is threadedly installed with anti-fouling cover 3, the anti-fouling cover 3 is wrapped on the outside of hollow tube connector 4 connected with feeding device, to prevent the hollow tube connector 4 from being contaminated;Adjusting seat 8 is fixedly installed on the outer wall of protective shell 1, adjusting screw 81 is threadedly installed on adjusting seat 8, and one end of adjusting screw 81 is rotatably installed with semicircular pressing plate 11, the semicircular pressing plate 11 is located in the inside of protective shell 1 and is arranged on one side of built-in hose 9, and rotating adjusting screw 81 towards the inside of protective shell 1 can push semicircular pressing plate 11 to one side of built-in hose 9, then built-in hose 9 is extruded and closed, to prevent gastric juice from flowing along stomach tube to patient's body outside during non-feeding period, and the stability of closing the inside passage of stomach tube is improved.

[0037] Further, the semicircular pressing plate 11 is fixedly installed with limiting plate 111, the limiting plate 111 passes through the through hole drilled in the protective shell 1 and extends to the inside of adjusting seat 8, to ensure that the semicircular pressing plate 11 can be stably moved to one side of built-in hose 9;One end of the limiting plate 111 away from the semicircular pressing plate 11 is fixedly installed with connecting seat 112, one end of adjusting screw 81 is inserted into connecting seat 112 and rotatably connected therewith, to prevent the semicircular pressing plate 11 from rotating when rotating adjusting screw 81, to ensure that the semicircular pressing plate 11 can be accurately pressed on built-in hose 9, so that the part of built-in hose 9 clamped between hose winding wheel 10 and semicircular pressing plate 11 enters stable closed state.

[0038] Secondly, the top of adjusting seat 8 is drilled with back-shaped structure slot 82, when protective cover 7 is installed on the top of adjusting seat 8, the open end of protective cover 7 is embedded in slot 82 and tightly clamped therewith, to ensure that protective cover 7 can be stably installed on adjusting seat 8, and protective cover 7 can be used to cover and protect adjusting screw 81, to avoid adjusting screw 81 from being rotated by mistake, to prevent the inside passage of built-in hose 9 from being opened.

[0039] Further, the cover 5 is drilled with a circular limiting port 52, the connecting shaft 101 of the hose winding wheel 10 close to the cover 5 is inserted into the circular limiting port 52 and is rotationally connected with the same, when the cover 5 is fixed on the protective shell 1, the hose winding wheel 10 can be limited, when the built-in hose 9 is pulled out, the stability of the rotation of the hose winding wheel 10 can be improved; the cover 5 is clamped with the locking device 6, the locking device 6 is fixedly installed with a locking block 61 close to the cover 5, the locking block 61 is embedded into the port drilled at the end of the connecting shaft 101 and is clamped with the same, then the hose winding wheel 10 can be locked and positioned, during the use of the stomach tube, the hose winding wheel 10 can be prevented from rotating to cause the displacement of the built-in hose 9.

[0040] Secondly, the cover 5 is fixedly installed with an annular sealing ring 51, the outer side wall of the annular sealing ring 51 is in close contact with the inner side wall of the protective shell 1, the gap between the cover 5 and the protective shell 1 can be sealed, the sealing effect of the internal space of the conversion joint can be improved; the cover 5 is drilled with two positioning holes 53, the locking device 6 is fixedly installed with two positioning columns 62 close to the cover 5, when the locking device 6 is installed on the cover 5, the positioning columns 62 are inserted into the positioning holes 53 and are tightly clamped with the same, it is ensured that the locking device 6 can be stably installed on the cover 5.

[0041] In this embodiment, first, one of the hollow pipe joints 4 is inserted with the end of the stomach tube inserted into the patient, then the other hollow pipe joint 4 is inserted with the outlet end of the feeding device, the liquid food, medicine and the like are poured into the built-in hose 9 through the feeding device, then along the built-in hose 9 into the stomach tube, the injection material can be injected into the intestinal tract of the patient; when the feeding is finished, one of the hollow pipe joints 4 is pulled out from the feeding device, then the anti-pollution cover 3 is screwed on the internal thread sleeve 21, so that the hollow pipe joint 4 is covered and stored inside the anti-pollution cover 3, the viruses, bacteria, dust and the like outside can be prevented from adhering to the surface of the hollow pipe joint 4, the hollow pipe joint 4 can be effectively prevented from being polluted.

[0042] The part of the built-in hose 9 inside the protective shell 1 is supported by the hose winding wheel 10, and when the semi-arc pressing plate 11 extrudes the built-in hose 9, the side of the built-in hose 9 away from the semi-arc pressing plate 11 can be stably stressed; after the feeding operation is completed, the adjusting screw 81 is rotated to the inside of the protective shell 1, and then the semi-arc pressing plate 11 is pushed to one side of the hose winding wheel 10, so that the part of the built-in hose 9 overlapping the hose winding wheel 10 can be stably clamped, the passage between the gastric tube and the built-in hose 9 is closed, the gastric juice in the patient's body can be prevented from being discharged to the outside along the gastric tube, and the anti-reflux effect is achieved; after the internal passage of the gastric tube is closed, the protective cover 7 is installed on the adjusting seat 8, so that the adjusting screw 81 is covered inside the protective cover 7, the part of the built-in hose 9 that is extruded can be prevented from being cracked due to the patient accidentally touching the adjusting screw 81, and the anti-reflux effect of the gastric tube is enhanced; compared with the traditional press-type control switch, the conversion joint in the application can solve the problem of accidental touch caused by the patient's body pressing the control switch, the internal passage of the gastric tube cannot be tightly closed during the closed state, the risk of gastric reflux is eliminated, and the safety of the gastric tube during use is effectively improved.

[0043] The above specific embodiments are only several optional embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A reflux-preventing stomach tube adapter structure, comprising a protective shell (1), the open end of the protective shell (1) being fixedly installed with a cover (5), and two adapter positioning seats (2) being fixedly installed on the protective shell (1), characterized in that, Also include: Built-in hose (9), the built-in hose (9) is arranged in the closed interval composed of protective shell (1) and cover (5), the both ends of the built-in hose (9) are fixedly installed with hollow pipe joint (4) through the matched joint positioning seat (2), one of the hollow pipe joint (4) is externally sleeved with anti-fouling cover (3); Adjusting seat (8), the adjusting seat (8) is fixedly installed on the outer wall of the protective shell (1), the adjusting screw (81) is screw mounted on the adjusting seat (8), one end of the adjusting screw (81) is rotatably installed with the half-arc pressing plate (11) inside the protective shell (1), the half-arc pressing plate (11) is used for pressing the built-in hose (9).

2. The anti-reflux gastric tube adapter structure according to claim 1, characterized in that, The hose winding wheel (10) is rotatably installed in the protective shell (1), the built-in hose (9) is overlapped on the hose winding wheel (10), the half-arc pressing plate (11) is arranged between the hose winding wheel (10) and the inner wall of the protective shell (1).

3. The anti-reflux gastric tube adapter structure according to claim 1, characterized in that, One of the joint positioning seat (2) is fixedly installed with internal thread sleeve (21), one end of the anti-fouling cover (3) is inserted into the internal thread sleeve (21) and is screw connected with it.

4. The anti-reflux gastric tube adapter structure according to claim 1, characterized in that, The half-arc pressing plate (11) is fixedly installed with the limiting plate (111), the limiting plate (111) passes through the through hole drilled in the protective shell (1) and extends to the inside of the adjusting seat (8), one end of the limiting plate (111) away from the half-arc pressing plate (11) is fixedly installed with the connecting seat (112), one end of the adjusting screw (81) is inserted into the connecting seat (112) and is rotatably connected with it.

5. The anti-aspiration gastric tube adapter of claim 4, wherein, The top end of the adjusting seat (8) is drilled with the insertion slot (82), the protective cover (7) is clamped and installed at the insertion slot (82), the adjusting screw (81) is arranged in the protective cover (7).

6. The anti-aspiration gastric tube adapter of claim 2, wherein, The cover (5) is drilled with the circular limiting opening (52), the both ends of the hose winding wheel (10) are fixedly installed with the connecting shaft (101), one of the connecting shaft (101) is inserted into the circular limiting opening (52) and is rotatably connected with it.

7. The anti-aspiration gastric tube adapter structure of claim 6, wherein, The cover (5) is clamped and installed with the lock (6), the cover (5) is drilled with the positioning hole (53), one end of the lock (6) close to the cover (5) is fixedly installed with the positioning column (62), the positioning column (62) is inserted into the positioning hole (53) and is clamped and connected with it, the lock (6) is fixedly installed with the locking block (61), the locking block (61) is inserted into the insertion opening drilled in the top end of the matched connecting shaft (101) and is clamped and connected with it.

8. The anti-aspiration gastric tube adapter structure of claim 7, wherein, The cover (5) is fixedly installed with the annular sealing ring (51), the outer wall of the annular sealing ring (51) is in close contact with the inner wall of the protective shell (1).