CN214260035U

CN214260035U - Feeding tube for feeding pump

Info

Publication number: CN214260035U
Application number: CN202022233790.1U
Authority: CN
Inventors: 王晓东; 栗亚
Original assignee: Amsino Medical Kunshan Co ltd
Current assignee: Amsino Medical Kunshan Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-09-24
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a feed the edible pump with feeding the pipe, including body and case. The valve core is fixedly arranged in the pipe hole of the pipe body, a liquid channel is formed between the valve core and the inner wall of the pipe hole, and the liquid channel is positioned between the inlet and the outlet of the pipe body; the inner wall of the pipe hole is provided with a sealing part; when the pipe body is in an unstretched state, the sealing part is in sealing fit with the valve core to cut off the liquid channel; when the tube body is in a stretched state, the sealing part is separated from the valve core, so that the tube body inlet is communicated with the tube body outlet through the liquid channel. The utility model can automatically stop transfusion when slipping from the shell of the feeding pump in the transfusion process, thereby improving the safety of transfusion.

Description

Feeding tube for feeding pump

Technical Field

The utility model relates to a feeding technique for providing nutrition and medicine for patients.

Background

The feeding pump is used to provide nutrition and food to a patient when the patient is unable to eat for various reasons. The feeding pump mainly comprises a shell, an infusion tube component, a pump mechanism and the like. The infusion tube component comprises a dropping funnel and a feeding tube, the dropping funnel is connected with the storage container and is fixed in the positioning groove on the shell. The feeding tube connected to the dropping funnel is connected to the hanging frame when in use, the hanging frame is installed on a shell of the feeding pump, the middle part of the feeding tube is wound on the pump wheel, and the roller on the pump wheel applies pressure to the feeding tube to enable the feeding tube to be stretched. The nutrient solution provided to the patient is delivered to the patient through the feeding tube.

The feeding tube may slide off the feeding pump during the infusion due to improper operation. Once the feeding tube slips, a free flow of liquid often occurs. At this time, the liquid introduced into the patient is controlled only by gravity, which causes a large amount of liquid to be introduced into the patient in a short time, thereby inducing medical accidents and even causing death of the patient.

Disclosure of Invention

The technical problem to be solved of the utility model is to provide a feed pump is with feeding pipe, it if from feeding when eating the casing slippage of pump at the infusion in-process, can suspend the infusion automatically.

The feeding tube for the feeding pump comprises a tube body and a valve core; the valve core is fixedly arranged in the pipe hole of the pipe body, a liquid channel is formed between the valve core and the inner wall of the pipe hole, and the liquid channel is positioned between the inlet and the outlet of the pipe body; the inner wall of the pipe hole is provided with a sealing part; when the pipe body is in an unstretched state, the sealing part is in sealing fit with the valve core to cut off the liquid channel; when the tube body is in a stretched state, the sealing part is separated from the valve core, so that the tube body inlet is communicated with the tube body outlet through the liquid channel.

The utility model discloses at least, have following advantage:

1. the feeding pipe for the feeding pump provided by the embodiment of the utility model is provided with a valve core and a sealing part which is matched with the valve core in a sealing way in the pipe body, when the feeding pipe is arranged in the feeding pump and is in an infusion working condition, the pipe body of the feeding pipe is stretched under the action of the pump wheel, the sealing part is separated from the valve core, a liquid channel is opened, and nutrient solution flowing into the inlet of the pipe body can flow to the outlet of the pipe body through the liquid channel and is finally conveyed into the body of a patient; when the feeding tube accidentally falls off from the feeding pump, the tube body is restored to an unstretched state under the action of the elasticity of the tube body, and the sealing part is in sealing fit with the valve core at the moment to close the liquid channel, so that nutrient solution flowing into the inlet of the tube body is prevented from flowing to the outlet of the tube body through the liquid channel, the phenomenon of free flow of the liquid is prevented, and the safety of infusion is improved;

2. the utility model discloses feed the feeding pipe for food pump only comprises body and case, simple structure, low in manufacturing cost.

Drawings

Fig. 1 shows a schematic front view of a feeding tube for a feeding pump according to an embodiment of the present invention.

Fig. 2 shows a cross-sectional view a-a of fig. 1, wherein the tubular body is in an unstretched state.

Fig. 3 shows a schematic cross-sectional view of a feeding tube for a feeding pump in a stretched state according to an embodiment of the present invention.

Fig. 4 shows a schematic perspective view of a valve element according to an embodiment of the present invention.

Fig. 5 shows a schematic top view of a cartridge according to an embodiment of the invention.

Fig. 6 shows a schematic front view of a valve cartridge according to an embodiment of the invention.

Fig. 7 shows a perspective view of the hanger of the feeding pump.

Fig. 8 is a front view schematically illustrating a hanging rack with a feeding tube according to an embodiment of the present invention.

Fig. 9 shows a partial enlarged schematic view of fig. 8.

Fig. 10 is a schematic view showing the assembly of the hanger with the feeding tube and the feeding pump housing according to the embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Please refer to fig. 1 to 6. The feeding tube 100 for feeding pump according to an embodiment of the present invention includes a tube body 1 and a valve element 2.

The valve core 2 is fixedly arranged in the pipe hole 10 of the pipe body 1, a liquid channel 101 is formed between the valve core 2 and the inner wall of the pipe hole 10, and the liquid channel 101 is positioned between the inlet 11 and the outlet 12 of the pipe body 1.

The inner wall of the pipe hole is provided with a sealing part 13. When the pipe body 1 is in an unstretched state, as shown in fig. 2, the sealing portion 13 is in sealing engagement with the valve element 2 to close the liquid passage 101; when the tube 1 is in a stretched state, as shown in fig. 3, the seal portion 13 is separated from the valve element 2 so that the tube inlet 11 is brought into communication with the tube outlet 12 through the liquid passage 101.

In the present embodiment, the sealing portion 13 is a convex ring extending in the circumferential direction of the pipe body 1; when the pipe body 1 is in an unstretched state, the convex ring 13 is in interference fit with the outer peripheral surface of the valve core 2.

Further, the valve element 2 includes a head portion 2a, a reverse tapered surface portion 2b, and a bottom portion 2 c.

The head portion 2a is cylindrical, and the outer diameter of the head portion 2a is larger than that of the reverse tapered surface portion 2 b. The outer peripheral surface of the head 2a is hermetically connected to the pipe body 1 by means of, but not limited to, bonding, heat sealing, etc. In this embodiment, the inlet 11 and the outlet 12 of the pipe body 1 are provided with an inlet joint 1a and an outlet joint 1b, respectively. The inner side wall of the inlet fitting 1a is provided with an annular groove 14, and the head portion 2a is fitted into the annular groove 14.

The bottom surface of the head portion 2a is connected to the upper end of the reverse tapered surface portion 2 b. The side surface of the reverse tapered surface portion 2b and the inner wall of the pipe hole form a liquid passage 101. When the pipe body 1 is in an unstretched state, the convex ring 13 is in interference fit with the outer peripheral surface of the inverted conical surface portion 2 b.

Bottom 2c is the inverted cone shape, and the upper end of bottom 2c links to each other with the lower extreme of back taper face portion 2b, and the tapering of bottom 2c is greater than the tapering of back taper face portion 2 b.

Alternatively, the side surface of the reverse tapered surface portion 2b is provided with a groove 23 extending in the height direction of the reverse tapered surface portion. The cross-sectional shape of the groove 23 is a sector. The head 2a is provided with a liquid inlet 21 at a position corresponding to the groove 23, the liquid inlet penetrating in the height direction of the head. In the present embodiment, the number of the grooves 23 and the liquid inlets 21 is three, and the three grooves 23 are equally spaced apart from each other on the side of the reverse tapered surface portion 2 b. The arrangement of the groove can increase the flow area of the liquid channel and accelerate the infusion speed.

Please refer to fig. 7 to 10. The feeding tube 100 for a feeding pump according to an embodiment of the present invention is mounted to the hanger 200 when in use, and the hanger 200 is mounted to the housing 300 of the feeding pump. During infusion, the pump impeller 400 applies pressure to the feeding tube 100, thereby stretching the tube body 1 of the feeding tube 100. After the tube body 1 is stretched, the convex ring 13 is separated from the outer peripheral surface of the inverted conical surface part 2b, the liquid channel 101 is opened, and the nutrient solution flowing into the tube body inlet 11 can flow to the tube body outlet 12 through the liquid channel 101 and is finally conveyed to the body of a patient to realize feeding. When the feeding tube 100 accidentally drops from the feeding pump, because the stretching of the feeding tube 100 is released, the tube body 1 is restored to an unstretched state under the action of self elasticity (the tube body 1 is made of PVC plastic, rubber, silica gel and the like), the convex ring 13 is in interference fit with the outer peripheral surface of the inverted cone surface part 2b at the moment, and the liquid channel 101 is closed, so that the nutrient solution flowing into the tube body inlet 11 is prevented from flowing to the tube body outlet 12 through the liquid channel 101, the phenomenon of free liquid flow is prevented, and the safety of infusion is improved.

Claims

1. The feeding tube for the feeding pump is characterized by comprising a tube body and a valve core;

the valve core is fixedly arranged in the pipe hole of the pipe body, a liquid channel is formed between the valve core and the inner wall of the pipe hole, and the liquid channel is positioned between the inlet and the outlet of the pipe body;

the inner wall of the pipe hole is provided with a sealing part; when the pipe body is in an unstretched state, the sealing part is in sealing fit with the valve core so as to close the liquid channel; when the pipe body is in a stretching state, the sealing part is separated from the valve core, so that the inlet of the pipe body is communicated with the outlet of the pipe body through the liquid channel.

2. A feeding tube for a feeding pump as claimed in claim 1, wherein the sealing portion is a convex ring extending in a circumferential direction of the tube body; when the pipe body is in an unstretched state, the convex ring is in interference fit with the outer peripheral surface of the valve core.

3. A feeding tube for a feeding pump as claimed in claim 2, wherein the valve core comprises an inverted conical surface portion, and a liquid passage is formed between a side surface of the inverted conical surface portion and an inner wall of the tube hole;

when the pipe body is in an unstretched state, the convex ring is in interference fit with the outer peripheral surface of the inverted cone surface part.

4. A feeding tube for a feeding pump as claimed in claim 3, wherein the side surface of the reverse tapered surface portion is provided with a groove extending in the height direction of the reverse tapered surface portion.

5. A feeding tube for a feeding pump as claimed in claim 4, wherein the cross-sectional shape of the groove is fan-shaped.

6. A feeding tube for a feeding pump as claimed in claim 4 or 5, wherein the valve core comprises a head portion, the head portion is cylindrical, and the outer diameter of the head portion is larger than that of the inverted conical surface portion; the peripheral surface of the head is hermetically connected with the pipe body, and the bottom surface of the head is connected with the upper end of the inverted cone surface part;

the head part is provided with a liquid inlet which is communicated along the height direction of the head part at the position corresponding to the groove.

7. A feeding tube for a feeding pump as claimed in claim 6, wherein the number of the grooves and the liquid inlets is three, and the three grooves are provided at equal intervals on the side of the reverse tapered surface portion.

8. A feeding tube for a feeding pump as claimed in claim 6, wherein the inlet of the tube body is provided with an inlet fitting;

the inner side wall of the inlet joint is provided with an annular groove, and the head is embedded into the annular groove.

9. A feeding tube for a feeding pump as claimed in claim 6, wherein the valve core comprises a bottom portion, the bottom portion has an inverted conical shape, the upper end of the bottom portion is connected to the lower end of the inverted conical surface portion, and the conical degree of the bottom portion is greater than that of the inverted conical surface portion.

10. A feeding tube for a feeding pump as claimed in claim 1, wherein the tube body is made of PVC plastic, rubber or silicone.