Multifunctional liquid feeding connector and feeding device

Abstract

The present invention relates to a multifunctional liquid feeding connector and a feeding device. The feeding connector comprises a connector body, one end of which is provided with a feeding device interface, and the other end of which is provided with a gastric tube interface, and both the feeding device interface and the gastric tube interface are connected to the inner cavity of the connector body; it is characterized in that: the side wall of the connector body is also provided with a branch interface, and the branch interface is connected with a suction hose; a switching switch is provided on the connector body, and the gastric tube interface and the branch interface are alternately connected with the feeding device interface through the switching switch. The feeding device comprises a feeding device and the above-mentioned multifunctional liquid feeding connector. The present invention has an ingenious structure and a reasonable design, and can continuously inject liquid food through a gastric tube, is not easy to drip, and is not contaminated. At the same time, it can ensure the constant temperature of the liquid food, and avoid the phenomenon of protein solidification and difficulty in extraction after the liquid food is cooled; the whole operation is simple and easy to clean after use, and the feeding connector can be used in conjunction with various types of clinical feeding devices.

Description

Technical Field

[0001] The invention relates to a multifunctional fluid feeding joint and a feeding device, belonging to the technical field of medical nursing equipment. Background Art

[0002] Bedridden patients are often unable to eat on their own, and feeding through a gastric tube has become the main way for patients to eat. This feeding method is to insert a gastric tube through the nostrils, through the pharynx, through the esophagus to the stomach, and use a syringe to inject liquid food to provide the patient with the necessary food and nutrition. During nursing, care should be taken to avoid gastric tube contamination and gastric tube dislocation, which may lead to aspiration. The disadvantages of this method are that the amount of food fed at a time is limited, the food temperature is easily lost, and the gastric tube needs to be reconnected repeatedly for continued feeding. Generally speaking, patients who need to be fed by gastric tube should eat small meals frequently. The traditional feeding method has virtually increased the labor time and labor intensity of the feeder. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide a multifunctional liquid feeding joint and feeding device which are ingenious in structure, reasonable in design and convenient in use.

[0004] The first object of the present invention is achieved by the following technical solutions:

[0005] A multifunctional liquid feeding connector comprises a connector body, one end of which is provided with a feeding device interface, and the other end of which is provided with a gastric tube interface, wherein both the feeding device interface and the gastric tube interface are connected to the inner cavity of the connector body; the characteristic is that: a branch interface is also provided on the side wall of the connector body, and a suction hose is connected to the branch interface; a switching switch is provided on the connector body, and the gastric tube interface and the branch interface are alternately connected to the feeding device interface through the switching switch.

[0006] As a further improvement of the feeding injection joint, the feeding device interface is provided with a feeding injection soft cover, and a through hole for connecting the feeding device joint is provided in the center of the feeding soft cover.

[0007] As a further improvement of the feeding joint, the switching switch includes an inner core, a rod body and a knob, the inner core is rotatably installed in the inner cavity of the joint body, the inner cavity of the joint body is divided into a feeding device connection cavity, a stomach tube connection cavity and a branch connection cavity by the inner core, the feeding device interface is connected to the feeding device connection cavity, the stomach tube interface is connected to the stomach tube connection cavity, and the branch interface is connected to the branch connection cavity; the rod body passes through the side wall of the joint body, the inner end of the rod body is fixedly connected to the end of the inner core, and the knob is fixedly installed on the outer end of the rod body, and the inner core can be driven to rotate back and forth by rotating the knob; a first opening is provided on one side of the inner core, and a second opening is provided on the other side, and the first opening and the second opening are connected to each other, the first opening is always connected to the feeding device connection cavity during the back-and-forth rotation, and the second opening is alternately connected to the stomach tube connection cavity and the branch connection cavity during the back-and-forth rotation.

[0008] As a further improvement of the feeding injection joint, the feeding device interface is provided with a feeding injection soft cover, and a through hole for connecting the feeding device joint is provided in the center of the feeding soft cover.

[0009] As a further improvement of the feeding connector, the axis of the branch interface and the axis of the gastric tube interface have an angle less than 90 degrees, the first opening is a fan-shaped opening, and the central angle of the fan-shaped opening is less than 180 degrees, and the second opening is a circular opening.

[0010] As a further improvement of the feeding connector, a first limiting protrusion and a second limiting protrusion are provided on the outer wall of the connector body, and the knob is located between the first limiting protrusion and the second limiting protrusion. When the knob abuts against the first limiting protrusion, the second opening is connected to the gastric tube connecting cavity, and when the knob abuts against the second limiting protrusion, the second opening is connected to the branch connecting cavity.

[0011] As a further improvement of the feeding joint, the suction hose is a silicone hose, a gravity ball is connected to the end of the silicone hose, and an opening connected to the suction hose is provided on the gravity ball.

[0012] As a further improvement of the feeding joint, a filter is provided in the branch interface.

[0013] As a further improvement of the feeding joint, the branch interface is provided with a filter installation port which penetrates to the branch connection cavity, the filter is installed in the filter installation port, and the filter installation port is equipped with a sealing cover.

[0014] As a further improvement of the feeding joint, the axis of the filter screen loading port is perpendicular to the axis of the branch interface, two positioning guide grooves are provided in the filter screen loading port, the filter screen is semi-cylindrical, and positioning ribs are provided on both sides of the filter screen and are slidably embedded in the positioning guide grooves.

[0015] The second object of the present invention is achieved by the following technical solutions:

[0016] The multifunctional liquid feeding device comprises a feeding device and a feeding joint, wherein the feeding joint is the multifunctional liquid feeding joint mentioned above.

[0017] As a further improvement of the feeding device, the nipple of the feeding device is conical, and a soft cover for the stomach tube is provided on the stomach tube, and the structure of the soft cover for the stomach tube is the same as that of the soft cover for feeding.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] 1) The feeding joint of the present invention has an ingenious structure and a reasonable design. By adding a branch interface to the joint body and connecting the suction hose, liquid food can be continuously injected through the stomach tube without leakage or contamination.

[0020] 2) The suction hose of the present invention sucks liquid food from the heat preservation container, which can ensure the constant temperature of the liquid food and avoid the phenomenon of protein solidification after the liquid food is cooled, which makes it difficult to extract; the whole operation is simple and does not require very high professional requirements. The joint is also very convenient to clean after use, and the feeding joint can be used in conjunction with various types of clinical feeding devices, and has a wide range of applications.

[0021] 3) The switching switch in the present invention is cleverly designed, and can conveniently realize the alternate connection between the feeder interface and the stomach tube interface and the branch interface.

[0022] 4) A filter is provided in the branch joint of the present invention to prevent the feed injector from sucking in lumps in the liquid food and avoid clogging.

[0023] 5) The feeding device in the feeding injection apparatus of the present invention is threadedly connected to the feeding injection joint, which makes the connection safer and more reliable without the problem of accidental disengagement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the appearance structure of Example 1 of the present invention.

[0025] Figure 2 This is a structural cross-sectional view of Example 1 of the present invention.

[0026] Figure 3 This is a schematic diagram of the appearance structure of Example 2 of the present invention.

[0027] Figure 4 for Figure 3 AA section view in.

[0028] Figure 5 This is a schematic diagram of the structure of Example 3 of the present invention.

[0029] Explanation of the accompanying drawings: 1-connector body, 1a-feeding device interface, 1b-gastric tube interface, 1c-branch interface, 2-suction hose, 3-switch, 3.1-inner core, 3.1a-first port, 3.1b-second port, 3.2-rod body, 3.3-knob, 4-feeding device connecting cavity, 5-gastric tube connecting cavity, 6-branch connecting cavity, 7-gravity ball, 7a-opening, 8-first limiting protrusion, 9-second limiting protrusion, 10-filter screen, 10a-positioning rib, 11-filter screen loading port, 12-sealing cover, 13-positioning guide groove, 14-feeding device, 15-threaded connecting tube, 16-gastric tube. DETAILED DESCRIPTION

[0030] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0031] Example 1

[0032] like Figure 1 , Figure 2 As shown, Example 1 discloses a multifunctional liquid feeding connector, including a connector body 1, wherein one end of the connector body 1 is provided with a feeding device interface 1a, and the other end is provided with a gastric tube interface 1b, wherein the feeding device interface 1a and the gastric tube interface 1b are both connected to the inner cavity of the connector body 1; the side wall of the connector body 1 is also provided with a branch interface 1c, and the branch interface 1c is connected to a suction hose 2; a switching switch 3 is provided on the connector body 1, and the gastric tube interface 1b and the branch interface 1c are alternately connected with the feeding device interface 1a through the switching switch 3.

[0033] In specific application, the feed injector interface 1a is connected to the nipple of the feed injector 14, the stomach tube interface 1b is connected to the stomach tube 16, and the suction hose 2 on the branch interface 1c is connected, and the suction hose 2 is inserted into the heat preservation container containing liquid food; then the branch interface 1c is closed by switching the switch 3, and the stomach tube interface 1b is opened, and the liquid food can be injected into the patient through the feed injector 14; when all the liquid food in the feed injector 14 is injected, the branch interface 1c is opened by switching the switch 3, and the stomach tube interface 1b is closed, and the liquid food can be sucked from the heat preservation container. This increases the continuity of operation, and it is not easy to drip and is not contaminated; at the same time, it can ensure the constant temperature of the liquid food, avoid the protein solidification after the liquid food is cooled, and the phenomenon of difficulty in extraction occurs; the whole operation is simple, does not require very high professional requirements, and the connector is also very convenient to clean after use. Moreover, this feeding connector can be used in conjunction with various types of clinical feed injectors 14.

[0034] like Figure 1 , Figure 2As shown, in this embodiment, the feeding device interface 1a is equipped with a feeding soft cover 15, and a through hole 15a for connecting the joint of the feeding device 14 is provided in the center of the feeding soft cover 15. In this way, the feeding device 14 can be directly connected to the through hole 15a of the feeding soft cover 15 in clinical practice, so that it can be applied to various types of feeding devices 14, and the operation is convenient. In addition, in order to prevent the feeding soft cover 15 from being lost, the feeding soft cover 15 is connected to the feeding device interface 1a with a thin rope.

[0035] like Figure 1 , Figure 2 As shown, in this embodiment 1, the switch 3 includes an inner core 3.1, a rod body 3.2 and a knob 3.3, the inner core 3.1 is rotatably mounted in the inner cavity of the joint body 1, the inner cavity of the joint body 1 is divided into a feeder connection cavity 4, a stomach tube connection cavity 5 and a branch connection cavity 6 by the inner core 3.1, the feeder interface 1a is connected to the feeder connection cavity 4, the stomach tube interface 1b is connected to the stomach tube connection cavity 5, and the branch interface 1c is connected to the branch connection cavity 6; the rod body 3.2 passes through the side wall of the joint body 1, and the inner end of the rod body 3.2 is connected to the inner end of the rod body 3.2. The knob 3.3 is fixedly connected to the end of the inner core 3.1, and the outer end of the rod body 3.2 is fixedly installed. The inner core 3.1 can be driven to rotate back and forth by rotating the knob 3.3; the inner core 3.1 is provided with a first opening 3.1a on one side and a second opening 3.1b on the other side, and the first opening 3.1a and the second opening 3.1b are connected to each other, and the first opening 3.1a is always connected to the feeding device connection cavity 4 during the back and forth rotation process, and the second opening 3.1b is alternately connected to the stomach tube connection cavity 5 and the branch connection cavity 6 during the back and forth rotation process. In this way, when the knob 3.3 is rotated, the knob 3.3 drives the inner core 3.1 to rotate through the rod body 3.2, so that the second opening 3.1b is connected to the stomach tube connection cavity 5 or the branch connection cavity 6, so that the feeding device interface 1a is alternately connected to the stomach tube interface 1b and the branch interface 1c.

[0036] like Figure 1 , Figure 2 As shown, in this embodiment 1, the suction hose 2 is a silicone hose, and a gravity ball 7 is connected to the end of the silicone hose. The gravity ball 7 is provided with an opening 7a connected to the suction hose 2. In this way, the gravity ball 7 will sink to the bottom of the liquid food, making it easy to suck out all the liquid food.

[0037] like Figure 1 , Figure 2 As shown, in this embodiment 1, the axis of the branch interface 1c and the axis of the stomach tube interface 1b have an angle less than 90 degrees, the first opening 3.1a is a fan-shaped opening, and the central angle of the fan-shaped opening is less than 180 degrees, and the second opening 3.1b is a circular opening. In this way, the inner core 3.1 can be switched by rotating within a small angle, which is convenient for operation.

[0038] like Figure 1 As shown, in this embodiment 1, the outer wall of the connector body 1 is provided with a first limiting protrusion 8 and a second limiting protrusion 9, and the knob 3.3 is located between the first limiting protrusion 8 and the second limiting protrusion 9. When the knob 3.3 abuts against the first limiting protrusion 8, the second through port 3.1b is communicated with the stomach tube connection cavity 5, and when the knob 3.3 abuts against the second limiting protrusion 9, the second through port 3.1b is communicated with the branch connection cavity 6. With such a configuration, when operating, it is only necessary to rotate the knob 3.3 to the limit position, which makes the operation more convenient.

[0039] Example 2

[0040] like Figure 3 , Figure 4 As shown, embodiment 2 discloses a multifunctional liquid food injection connector, which differs from the embodiment in that a filter 10 is provided in the branch interface 1c. In this way, the filter 10 can prevent the food injector 14 from sucking in lumps in the liquid food, thus avoiding blockage problems.

[0041] like Figure 4 As shown, in this embodiment 2, the branch interface 1c is provided with a filter screen loading port 11 penetrating to the branch connection chamber 6, the filter screen 10 is installed in the filter screen loading port 11, and the filter screen loading port 11 is equipped with a sealing cover 12. In this way, the filter screen 10 can be easily disassembled and cleaned.

[0042] like Figure 4 As shown, in this embodiment 2, the axis of the filter screen loading port 11 is perpendicular to the axis of the branch interface 1c, two positioning guide grooves 13 are provided in the filter screen loading port 11, the filter screen 10 is semi-cylindrical, and positioning convex ribs 10a are provided on both sides of the filter screen 10 to be slidably embedded in the positioning guide grooves 13. This arrangement allows the filter screen 10 to have a sufficient filtering area and is less likely to be clogged during use.

[0043] Example 3

[0044] like Figure 5 As shown, Example 3 discloses a multifunctional liquid feeding device, comprising a feeding device 14, the multifunctional liquid feeding connector in Example 1, and a stomach tube. The nipple of the feeding device 14 is conical, and a stomach tube soft cover is provided on the stomach tube, and the structure of the stomach tube soft cover is the same as that of the feeding soft cover 15. Such an arrangement makes the connection between the various components in the multifunctional liquid feeding device more convenient, safe, and reliable.

[0045] The above description is only a preferred embodiment of the present invention, and the above specific embodiment is not intended to limit the present invention. Various deformations and modifications may occur within the scope of the technical concept of the present invention, and any modification, modification or equivalent replacement made by a person of ordinary skill in the art based on the above description shall fall within the scope of protection of the present invention.

Claims

1. A multifunctional liquid feeding connector, comprising a connector body (1), wherein one end of the connector body (1) is provided with a feeding device interface (1a), and the other end is provided with a stomach tube interface (1b), wherein the feeding device interface (1a) and the stomach tube interface (1b) are both connected to the inner cavity of the connector body (1); a branch interface (1c) is further provided on the side wall of the connector body (1), and the branch interface (1c) is connected to a feeding hose (2); a switching switch (3) is provided on the connector body (1), and the stomach tube interface (1b) and the branch interface (1c) are alternately connected to the feeding device interface (1a) through the switching switch (3); the characteristics are as follows: The switch (3) comprises an inner core (3.1), a rod body (3.2) and a knob (3.3); the inner core (3.1) is rotatably mounted in the inner cavity of the joint body (1); the inner cavity of the joint body (1) is divided by the inner core (3.1) into a feeding device connection cavity (4), a stomach tube connection cavity (5) and a branch connection cavity (6); the feeding device interface (1a) is in communication with the feeding device connection cavity (4), the stomach tube interface (1b) is in communication with the stomach tube connection cavity (5), and the branch interface (1c) is in communication with the stomach tube connection cavity (5). The rod body (3.2) is connected to the branch connection cavity (6); the rod body (3.2) passes through the side wall of the joint body (1); the inner end of the rod body (3.2) is fixedly connected to the end of the inner core (3.1); the outer end of the rod body (3.2) is fixedly mounted with the knob (3.3); the inner core (3.1) can be driven to rotate back and forth by rotating the knob (3.3); the inner core (3.1) is provided with a first opening (3.1a) on one side and a second opening (3.1b) on the other side, and the first opening (3.1a) and the second opening (3.1b) are connected to each other. b) are connected to each other, the first opening (3.1a) is always connected to the feeding device connection cavity (4) during the back-and-forth rotation, and the second opening (3.1b) is alternately connected to the stomach tube connection cavity (5) and the branch connection cavity (6) during the back-and-forth rotation; the axis of the branch interface (1c) and the axis of the stomach tube interface (1b) have an angle of less than 90 degrees, the first opening (3.1a) is a fan-shaped opening, and the central angle of the fan-shaped opening is less than 180 degrees, and the second opening ( 3.1b) is a circular opening; a first limiting protrusion (8) and a second limiting protrusion (9) are provided on the outer wall of the connector body (1); the knob (3.3) is located between the first limiting protrusion (8) and the second limiting protrusion (9); when the knob (3.3) abuts against the first limiting protrusion (8), the second opening (3.1b) is communicated with the stomach tube connecting cavity (5); when the knob (3.3) abuts against the second limiting protrusion (9), the second opening (3.1b) is communicated with the branch connecting cavity (6).

2. The multifunctional liquid feeding connector according to claim 1, characterized in that: The feeding device interface (1a) is provided with a feeding soft cover (15), and a through hole (15a) for connecting to a joint of the feeding device (14) is provided at the center of the feeding soft cover (15).

3. The multifunctional liquid food injection connector according to claim 1, characterized in that: The suction hose (2) is a silicone hose, and a gravity ball (7) is connected to the end of the silicone hose. The gravity ball (7) is provided with an opening (7a) that is in communication with the suction hose (2).

4. The multifunctional liquid feeding connector according to claim 1, characterized in that: The branch interface (1c) is provided with a filter installation inlet (11) that penetrates into the branch connection chamber (6), a detachable filter (10) is installed in the filter installation inlet (11), and the filter installation inlet (11) is equipped with a sealing cover (12).

5. The multifunctional liquid feeding connector according to claim 4, characterized in that: The axis of the filter screen installation port (11) is perpendicular to the axis of the branch interface (1c), two positioning guide grooves (13) are provided in the filter screen installation port (11), the filter screen (10) is semi-cylindrical, and positioning convex ribs (10a) are provided on both sides of the filter screen (10) and are slidably embedded in the positioning guide grooves (13).

6. A multifunctional liquid feeding device, comprising a feeding device (14), a feeding connector and a gastric tube (16), characterized in that: The feeding connector adopts the multifunctional liquid feeding connector according to any one of claims 1 to 5.

7. The multifunctional liquid feeding device according to claim 6, characterized in that: The nipple of the feeding device (14) is conical, and a stomach tube soft cover (17) is provided on the stomach tube (16), and the structure of the stomach tube soft cover (17) is the same as that of the feeding soft cover (15).

Images