CN201168250Y - Pediatric gastric lavage device - Google Patents

Abstract

A gastric lavage device for children, characterized in that it includes a gastric tube, an infusion mechanism, a liquid suction mechanism and a switching device, the infusion mechanism and the liquid suction mechanism are respectively selectively connected to the gastric tube through the switching device, and a fixed connection port of the switching device is connected to The gastric tube and the two optional connection ports of the switching device are respectively connected to the outlet of the infusion mechanism and the inlet of the pumping mechanism. By operating the switching device, the user can select the infusion mechanism to be connected to the gastric tube through the switching device, or the liquid pumping mechanism to be connected to the gastric tube through the switching device. Compared with the prior art, the beneficial effect of the utility model is that, because of the switching device, the work efficiency is greatly improved, the labor intensity is reduced, and only one person can complete the operation, and the operation is very convenient, and the cost is low, and it is easy to manufacture .

Description

Pediatric gastric lavage device

technical field

The utility model relates to a gastric lavage device, in particular to a gastric lavage device specially used for children.

Background technique

At present, adults generally use a computer-controlled gastric lavage machine for gastric lavage, but this equipment cannot be used for children, especially children younger than 7 years old, because the computer-controlled gastric lavage machine is prone to poor negative pressure control, which will harm children's health. gastric mucosa.

And the existing device that is used for gastric lavage for children is exactly to adopt a common syringe to import the flushing solution into the stomach of children through the gastric tube of children, and then pass the contents and flushing liquid in the stomach of children through the syringe and gastric tube of children Draw out, repeat the lavage process of flushing and suction in this way, rinse out the contents of the stomach of children, and the whole process usually takes more than 30 minutes.

Since the syringe requires two hands to operate, it is very inconvenient to operate, and it is easy to cause user fatigue, and the user's hands are easy to grind blood blisters. Therefore, in actual use, two nurses are generally required to operate in rotation, which greatly reduces work efficiency.

Contents of the invention

The purpose of this utility model is to improve the prior art and provide a gastric lavage device for children, which is convenient for users to operate and can effectively improve work efficiency. The adopted technical scheme is as follows:

The gastric lavage device for children of the present utility model is characterized in that it comprises a gastric tube, an infusion mechanism, a liquid pumping mechanism and a switching device, and the infusion mechanism and the liquid pumping mechanism are respectively selectively connected to the gastric tube through the switching device, and a fixed connection of the switching device The mouth is connected with the gastric tube, and the two optional connection ports of the switching device are respectively connected with the outlet of the infusion mechanism and the inlet of the pumping mechanism. By operating the switching device, the user can select the infusion mechanism to be connected to the gastric tube through the switching device, or the liquid pumping mechanism to be connected to the gastric tube through the switching device.

In one solution, the switching device includes a housing and a switching member arranged in the housing, the left side of the housing is provided with a fixed connection port, and the right side opposite to the left side is provided with two optional connection ports The switching piece is disc-shaped and close to the right side of the housing. The switching piece is provided with a through hole for connecting an optional connection port and a fixed connection port. The control end of the switching piece extends out of the casing. on the sliding slot. The fixed connection port is always in communication with the through hole, and the control end of the switching element can move along the sliding groove to drive the switching element to rotate. The control end of the switching element moves along the sliding groove to one end of the sliding groove. At this time, the first optional connection port communicates with the fixed connection port through the through hole, and the second optional connection port is close to the side of the switching element. and the control end of the switch moves to the other end of the sliding groove along the sliding groove, at this time the second optional connection port communicates with the fixed connection port through the through hole, and the first optional connection port is tightly connected. The side wall of the switching piece attached is blocked, so the through hole selects one of the two optional connection ports to communicate with the fixed connection port.

In another solution, the switching device includes a housing and a switching member arranged in the housing, the left side of the housing is provided with a fixed connection port, and the right side opposite to the left side is provided with two optional connections port; the switching piece is close to the right side of the housing, and the switching piece is provided with a through hole for connecting an optional connection port and a fixed connection port. The upper and lower ends of the switching piece protrude from the casing, and the switching piece The upper and lower ends of the upper and lower ends are provided with a control block that can bear against the outer surface of the housing. The fixed connections are always in communication with the through holes.

The distance from the control block at the upper end of the switching element to the bottom of the through hole is greater than the distance from the optional connection port located below to the outer upper end of the housing, and the distance from the control block at the lower end of the switching element to the top of the through hole is greater than the distance from the optional connection port located at the top to the top of the through hole. The distance from the lower end of the outer surface of the shell. In this way, it can be ensured that when the user pushes the switching piece to move, when the upper control block is against the upper end of the outer surface of the housing, the through hole must be connected to the optional connection port located below; when the lower control block is against the lower end of the outer surface of the housing, through The hole must lead to an optional connection port located above.

In the third scheme, the switching device is a reversing valve, which includes a valve body and a rotatable valve core arranged in the valve body. The valve body is provided with a "T"-shaped through hole, and the three through holes in the valve body The outlets are respectively connected to the infusion mechanism, the liquid pumping mechanism and the stomach tube, and the valve core is provided with a "T"-shaped through hole.

The first outlet of the through hole in the valve body is connected to the gastric tube, the second outlet is connected to the infusion mechanism, and the third outlet is connected to the pumping mechanism. The reversing valve has two states. Two of the two outlets are respectively corresponding to the first outlet and the second outlet of the three opened outlets of the through hole in the valve body, and the gastric tube communicates with the infusion mechanism. In the second state, the spool rotates 180 degrees, and two of the three outlets of the through hole in the spool respectively correspond to the first and third outlets of the three opened outlets of the through hole in the valve body , the gastric tube communicates with the pumping mechanism. The reversing valve can be electrically actuated or operated by manual controls.

For the convenience of users, the infusion mechanism and the liquid suction mechanism are fixedly connected. In this way, the infusion mechanism and the liquid pumping mechanism will not shake and are not easily damaged.

The infusion mechanism includes a syringe and an infusion bottle, the outlet of the infusion bottle is connected to the syringe, the liquid pumping mechanism includes a syringe and a liquid suction bottle, and the inlet of the liquid suction bottle is connected to the syringe.

The syringe includes a syringe and a push rod, and a piston is arranged at the front end of the push rod.

In order to facilitate the user's operation, a return member is provided between the end of the push rod and the syringe.

The return member is a spring, and the two ends of the spring are respectively connected to the end of the push rod and the injection barrel.

In order to prevent liquid and gas from flowing back from the stomach to the infusion mechanism, or from the liquid suction bottle to the stomach, a one-way valve is provided at the outlet of the infusion mechanism, and a one-way valve is provided at the inlet of the liquid suction mechanism.

Compared with the prior art, the beneficial effect of the utility model is that, because of the switching device, the work efficiency is greatly improved, the labor intensity is reduced, and only one person can complete the operation, and the operation is very convenient, and the cost is low, and it is easy to manufacture .

Description of drawings

Fig. 1 is the sectional view of the utility model embodiment 1;

Fig. 2 is a schematic structural view of the switching element of embodiment 1 shown in Fig. 1;

Fig. 3 is a schematic structural diagram of the switching device of Embodiment 1 shown in Fig. 1;

Fig. 4 is the sectional view of embodiment 2 switching device;

Fig. 5 is a schematic diagram of a use state of the switching device in Embodiment 2;

Fig. 6 is the sectional view of embodiment 3 switching device;

Fig. 7 is a schematic diagram of a use state of the switching device in Embodiment 3.

Detailed ways

Example 1

As shown in Figures 1-3, the gastric lavage device for children in this embodiment includes a gastric tube 4, an infusion mechanism 1, a liquid pumping mechanism 2 and a switching device 3, and the infusion mechanism 1 and the liquid pumping mechanism 2 can be switched through the switching device 3 respectively. Optionally connect the gastric tube 4, a fixed connection port 305 of the switching device 3 is connected to the gastric tube 4, and two optional connection ports 304, 303 of the switching device 3 are respectively connected to the outlet 105 of the infusion mechanism 1 and the inlet 205 of the pumping mechanism 2 .

The switching device 3 includes a housing 301 and a switching member 302 disposed in the housing 301, the left side of the housing 301 is provided with a fixed connection port 305, and the right side opposite to the left side is provided with two movable Select the connecting ports 303, 304; the switching part 302 is disc-shaped, and is close to the right side in the housing 301. The switching part 302 is provided with a channel for connecting an optional connecting port and a fixed connecting port 305 for selecting one. The hole 306, the control end 307 of the switching member 302 protrudes from the slide groove 308 on the casing. The fixed connection port 305 is always in communication with the through hole 306 , and the control end 307 of the switching member 302 can move along the sliding groove 308 to drive the switching member 302 to rotate. The control end of the switching member 302 moves along the slide groove 308 to one end of the slide groove 308, at this moment the first optional connection port 304 communicates with the fixed connection port 305 through the through hole 306, and the second optional connection port 303 is The side wall of the switching piece 302 that is close to is blocked; And the control end 307 of the switching piece 302 moves to the other end of the sliding groove 308 along the sliding groove 308, at this moment the second optional connection port 303 passes through the through hole 306 and is fixed The connection port 305 is connected, and the first optional connection port 304 is blocked by the side wall of the switching member 302 , so the through hole 306 selects one of the two optional connection ports to connect to the fixed connection port 305 .

The infusion mechanism 1 and the liquid suction mechanism 2 are fixedly connected. In this way, the infusion mechanism 1 and the liquid suction mechanism 2 will not shake and are not easily damaged.

Described infusion mechanism 1 comprises syringe and infusion bottle 104, and the outlet of infusion bottle 104 is connected syringe, and described syringe comprises syringe 103, push rod 101, and the front end of push rod 101 is provided with piston 102, and the end of described push rod 101 is connected with syringe. 103 is provided with a return member, the return member is a spring 5, and the two ends of the spring 5 are respectively connected to the end of the push rod 101 and the syringe 103.

The liquid pumping mechanism 2 includes a syringe and a liquid pumping bottle 204, the outlet of the liquid pumping bottle 204 is connected to the syringe, and the syringe includes a syringe 203 and a push rod 201, the front end of the push rod 201 is provided with a piston 202, and the end of the push rod 201 is A return member is provided between the syringe 203 and the return member is a spring 6, and the two ends of the spring 6 are respectively connected to the end of the push rod 201 and the syringe 203.

Example 2

As shown in Figures 4 and 5, the difference between the gastric lavage device for children in this embodiment and Embodiment 1 is that the switching device 3' is a reversing valve, including a valve body 301' and a rotatable valve body 301 The valve core 302' in the valve body 301' is provided with a "T"-shaped through hole, and the three outlets 306', 307', 308' of the through hole in the valve body 301' are respectively connected to the infusion mechanism 1, The pumping mechanism 2, the gastric tube 4, and the valve core 302' are provided with a "T"-like through hole inside.

The first outlet 305 ′ of the through hole in the valve body 301 ′ is connected to the gastric tube 4 , the second outlet 304 ′ is connected to the infusion mechanism 1 , and the third outlet 303 ′ is connected to the suction mechanism 2 . The reversing valve has two states: in the first state, two of the three outlets of the through hole in the spool 302' are connected to the first outlet 305 of the three opened outlets in the through hole in the valve body 301' respectively. ′ corresponds to the second outlet 304 ′, and the gastric tube 4 communicates with the infusion mechanism 1 , as shown in FIG. 4 . In the second state, the spool 302' rotates 180 degrees, and two of the three outlets in the through hole in the spool 302' are respectively connected to the first outlet in the three opened outlets in the through hole in the valve body 301'. 305' corresponds to the third outlet 303', and the gastric tube 4 communicates with the liquid pumping mechanism 2. The reversing valve can be electrically actuated or operated by manual controls.

Example 3

As shown in Figures 6 and 7, the difference between the gastric lavage device for children in this embodiment and Embodiment 1 is that: the switching device 3 "includes a housing 301" and a switching member 302" disposed in the housing 301", The left side of the casing 301″ is provided with a fixed connection port 305″, and the right side opposite to the left side is provided with two optional connection ports 303″, 304″; the switching element 302″ is close to the casing 301″ On the right side of the inside, the switching piece 302 "is provided with a through hole 306" for connecting an optional connection port and a fixed connection port 305", and the upper and lower ends of the switching piece 302" extend out of the housing 301", And the upper end of switching member 302 " is provided with a control block 307 " that can be against the outer surface of housing 301 ", and the lower end of switching member 302 " is provided with a control block 308 " that can be against the outer surface of housing 301 ". Fixed The connecting port 305" is always in communication with the through hole 306".

The distance from the control block 307 "at the upper end of the switching member 302 " to the bottom end of the through hole 306 " is greater than the distance from the optional connection port 303 " located below to the outer upper end of the housing 301 ", and the control block 308 " at the lower end of the switching member 302 " The distance to the top of the through hole 306" is greater than the distance from the upper optional connection port 304" to the lower end of the outer surface of the housing 301". In this way, it can be ensured that when the user pushes the switching member 302″ to move, and when the upper control block 307″ is against the upper end of the housing 301″, the through hole 306″ must be connected to the optional connection port 303″ located below; When the control block 308 ″ at the end is against the lower end of the outer surface of the housing 301 ″, the through hole 306 ″ must be connected to the optional connection 304 ″ located above.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the implementation scope of the present utility model; cover.

Claims (10)

1. A gastric lavage device for children, characterized in that: it comprises a gastric tube, an infusion mechanism, a liquid extraction mechanism and a switching device, and the infusion mechanism and the liquid extraction mechanism are respectively selectively connected to the gastric tube through the switching device, and a fixed connection of the switching device The mouth is connected with the gastric tube, and the two optional connection ports of the switching device are respectively connected with the outlet of the infusion mechanism and the inlet of the pumping mechanism. 2. The gastric lavage device for children as claimed in claim 1, characterized in that: the switching device includes a housing and a switching member arranged in the housing, the left side of the housing is provided with a fixed connection port, and is connected to the left side There are two optional connection ports on the opposite right side; the switching piece is disc-shaped and close to the right side of the housing, and the switching piece is provided with an optional connection port and a fixed connection for selecting one. The through hole of the mouth, the control end of the switching piece protrudes from the sliding groove on the housing. 3. The gastric lavage device for children as claimed in claim 1, characterized in that: the switching device includes a housing and a switching member arranged in the housing, the left side of the housing is provided with a fixed connection port, and is connected to the left side There are two optional connection ports on the opposite right side; the switching piece is close to the right side of the housing, and the switching piece is provided with a through hole for connecting an optional connection port and a fixed connection port for selecting one of them. The upper and lower ends of the part protrude from the casing, and the upper and lower ends of the switching part are provided with a control block which can be against the outer surface of the casing. 4. The gastric lavage device for children as claimed in claim 3, characterized in that the distance from the control block at the upper end of the switching member to the bottom of the through hole is greater than the distance from the optional connection port located below to the outer upper end of the casing, and the lower end of the switching member The distance from the control block to the top of the through hole is greater than the distance from the upper optional connection port to the lower end of the outer surface of the casing. 5. The gastric lavage device for children according to claim 1, characterized in that: the switching device is a reversing valve, including a valve body and a rotatable valve core installed in the valve body, and the valve body is equipped with a "T" valve. ""-shaped through hole, the three outlets of the through hole in the valve body are respectively connected to the infusion mechanism, the liquid pumping mechanism, and the gastric tube, and the valve core is provided with a "T"-shaped through hole. 6. The gastric lavage device for children according to any one of claims 1-5, characterized in that the infusion mechanism and the liquid suction mechanism are fixedly connected. 7. The gastric lavage device for children according to any one of claims 1-5, characterized in that: the infusion mechanism includes a syringe and an infusion bottle, the outlet of the infusion bottle is connected to the syringe, and the pumping mechanism includes a syringe and a pumping bottle , the inlet of the suction bottle is connected to the syringe. 8. The gastric lavage device for children according to claim 7, wherein the syringe comprises a syringe and a push rod, and a piston is arranged at the front end of the push rod. 9. The gastric lavage device for children as claimed in claim 8, characterized in that: a return member is provided between the end of the push rod and the syringe, the return member is a spring, and the two ends of the spring are respectively connected to the end of the push rod and the syringe. Syringe. 10. The gastric lavage device for children according to claim 1, characterized in that: the outlet of the infusion mechanism is provided with a one-way valve, and the inlet of the pumping mechanism is provided with a one-way valve.

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