CN212140956U - Medical food injector - Google Patents
Medical food injector Download PDFInfo
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- CN212140956U CN212140956U CN201922135185.8U CN201922135185U CN212140956U CN 212140956 U CN212140956 U CN 212140956U CN 201922135185 U CN201922135185 U CN 201922135185U CN 212140956 U CN212140956 U CN 212140956U
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Abstract
The utility model discloses a medical food injector, which comprises a food injector body, wherein the food injector body comprises a cylinder body, and a sealing piston with a piston rod is arranged in the cylinder body in a sliding way; the cover body is arranged at the outlet of the cylinder in a sealing way; the filtering piece is arranged at the outlet of the cylinder body; the nursing staff drives the piston rod to push the liquid food forwards through the driving part, so that the liquid food enters the guide pipe through the filter element and the joint; the temperature sensor is arranged on the piston assembly; and the controller comprises a display screen, a control module and an alarm module. The cylinder body and the cover body of the utility model are of a split structure, and the volume of the cylinder body is large, so that liquid food can be directly poured into the cylinder body in one step during feeding, repeated suction is not needed, and the operation is simple and convenient; when injecting food, the movable handle drives the shifting fork to shift the ratchet forwards, and then drives the piston to move towards the outlet of the cylinder body, so that the liquid food enters the conduit through the joint after being filtered by the filter screen plate, and the blockage of the conduit is effectively avoided.
Description
Technical Field
The utility model relates to a medical auxiliary instrument especially relates to a medical food injector.
Background
The nasal feeding method is characterized in that a catheter is inserted into the stomach through the nasal cavity, liquid food, water and medicines are perfused into the stomach by the catheter, and the nasal feeding method is mainly suitable for patients who cannot eat food orally, such as patients with dysphagia caused by long-term coma and pseudobulbar paralysis or patients in the late stage of esophageal cancer. The traditional feeding device is a conventional syringe, food or medicine is sucked into the syringe by the syringe, then the syringe is connected with a catheter, and the food or medicine is pushed into the catheter by a push handle. Because the pushing handle of the conventional injector is smaller, the pushing difficulty is high, and the hand fatigue phenomenon is easy to occur. Therefore, some manufacturers have developed syringes that include a handle and a drive member at the rear end of the syringe barrel, where the handle is pressed to drive the plunger in the barrel forward, and the plunger returns when the handle is released. Although the feeding difficulty of the injector is reduced to a certain extent, the injector still needs to suck repeatedly during feeding, so that liquid food or medicines are polluted, and further, the patient has uncomfortable symptoms such as nausea, vomiting, diarrhea, gastric retention and the like; the injector still has no filtering function, and the phenomenon of catheter blockage is easy to occur during feeding, so that the nursing workload is further increased.
Disclosure of Invention
An object of the utility model is to provide a medical food syringe, this syringe can filter to fluid food, effectively avoids pipe blocking phenomenon, need not to relapse a lot of suction, has not only reduced nursing work load, can also reduce the probability that pollutes.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
medical food injector, including the food injector body, the food injector body includes
The side wall of the cylinder body is of a double-layer structure, a sealing piston with a piston rod is arranged in the cylinder body in a sliding mode, and scale marks are arranged on the outer side wall of the cylinder body, so that the food intake of a patient can be recorded conveniently;
the cover body is arranged at the outlet of the cylinder body in a sealing way and is provided with at least one connector connected with the guide pipe;
the filtering piece is arranged at the outlet of the cylinder body and is used for filtering the liquid food in the cylinder body;
the driving part comprises a hand-held piece and a transmission piece, and a nursing staff holds the hand-held piece by hand and drives the piston rod to push the liquid food forwards through the transmission piece, so that the liquid food enters the conduit through the filter piece and the joint;
the temperature sensor is arranged on the piston assembly and used for detecting the temperature of the liquid food or the medicine in the cylinder; and the controller is arranged on the barrel and comprises a display screen, a control module and an alarm module, the display screen is used for displaying the temperature inside the barrel, the control module is used for receiving the signal of the temperature sensor, and when the temperature exceeds or is lower than a set range, the control module controls the alarm module to give an alarm to remind a nursing staff.
The cylinder body and the cover body are buckled together in a sealing way, and the filtering piece is a filtering screen plate which is movably clamped in the cylinder body.
The handheld piece comprises a fixed handle fixed at the rear end of the barrel body and a movable handle hinged with the fixed handle through a hinge shaft, and one end of the movable handle extends into the barrel body.
The transmission part comprises a plurality of ratchets arranged on the piston rod and a shifting fork hinged at the inner end part of the movable handle, and the shifting fork shifts the ratchets to move towards the outlet direction of the barrel body and is used for injecting the liquid food or the medicine in the barrel body into the catheter of the patient.
The anti-skidding sleeves are sleeved on the fixed handle and the movable handle, and the movable handle is provided with a hand holding groove for improving the comfort level.
The volume of the cylinder is 150-350 mL.
The utility model has the advantages that:
(1) the cylinder body and the cover body of the utility model are of a split structure, and the volume of the cylinder body is large, so that liquid food can be directly poured into the cylinder body in one step during feeding, repeated suction is not needed, and the operation is simple and convenient;
(2) the hand-held piece of the utility model is convenient to hold, and the operation difficulty is reduced; when food is injected, the movable handle is utilized to drive the shifting fork to shift the ratchet forwards, so that the piston is driven to move towards the outlet of the cylinder body, and the liquid food is filtered by the filter screen plate and then enters the conduit through the joint, thereby effectively avoiding the blockage of the conduit;
(3) the utility model discloses have overtemperature alarm and low temperature alarming function, ensure to pour into liquid food or medicine or warm boiled water temperature that patient's stomach into and be suitable, effectively avoid because of the temperature is low excessively or the intolerance that arouses.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, the medical food injector of the utility model comprises an injector body which comprises
The barrel body 1 can contain 300mL of liquid food (or medicines or warm boiled water), and the side wall of the barrel body is of a double-layer structure, so that the heat preservation performance is good; a sealing piston 3 with a piston rod 2 is arranged in the cylinder body 1 in a sliding manner, and scale marks are arranged on the outer side wall of the cylinder body 1 so as to facilitate the nursing staff to record the food intake of the patient;
the cover body 4 is sealed and clamped at the outlet of the cylinder body 1 and is provided with a joint 5 connected with the conduit, the joint 5 is communicated with the cylinder body 1, and the liquid food or the medicine in the cylinder body 1 enters the conduit through the joint 5;
the filtering piece 6 is a filtering screen plate with sieve pores, the filtering screen plate is of a cylindrical structure with one open end, an outward flange 6.1 matched with the opening edge of the cylinder body 1 is arranged at the opening, the filtering screen plate is movably clamped at the outlet of the cylinder body 1 and used for filtering the liquid food of the cylinder body 1, and when the medicine or the water is fed, the filtering screen plate can be removed;
the driving part comprises a hand-held piece and a transmission part, the hand-held part comprises a fixed handle 8.1 fixed at the rear end of the barrel body 1 and a movable handle 8.2 hinged with the fixed handle 8.1 into a whole through a hinge shaft, one end of the movable handle 8.2 extends into the barrel body 1, and a return spring is arranged between the movable handle 8.2 and the fixed handle 8.1;
the transmission piece comprises a plurality of ratchets 9.1 arranged along the length direction of the piston rod 2 and a shifting fork 9.2 hinged at the inner end part of the movable handle 8.2, and the shifting fork 9.2 is tightly contacted with the ratchets 9.1; when feeding, a nursing person holds the fixed handle 8.1 and the movable handle 8.2 by hand, presses the movable handle 8.2 to rotate, the movable handle 8.2 drives the shifting fork 9.2 at the inner end part to rotate along with the movable handle, and the shifting fork 9.2 shifts the ratchet 9.1 to move towards the outlet direction of the cylinder body 1, so that the liquid food, the medicine or the water in the cylinder body 1 is pushed into the conduit; after the handle is loosened, the fork is pulled out, the blocking ratchet 9.1 is blocked, the sealing piston 3 is positioned, and the accurate control of the food injection amount is realized.
A temperature sensor disposed on the piston for detecting the temperature of the fluid food or medicine in the cylinder 1; the controller 7 is arranged on the barrel 1 and comprises a power supply module, a display screen, a control module and an alarm module, the display screen is used for displaying the temperature of fluid food in the barrel 1, the control module is used for receiving signals of the temperature sensor, when the temperature exceeds or is lower than a set range, the general eating temperature is usually set to be 37-40 ℃, and the control module controls the alarm module to give an alarm to remind nursing staff of overhigh or overlow temperature; the power module provides power for the display screen, the control module and the alarm module.
During actual processing, for improving the operation comfort level, all the cover is equipped with anti-skidding cover on fixed handle 8.1 and the activity handle 8.2, and the handheld portion of activity handle 8.2 is the arc structure, is convenient for hold, improves the comfort level.
When the disposable food infusion device is used, a nursing worker wears sterile gloves, opens the barrel body 1 to take the cover body 4 down, takes out the filter screen plate, pulls the piston rod 2 outwards for a certain distance to enable the volume between the sealing piston 3 and the cover body 4 to meet the requirement of food intake, pours liquid food or medicine or water into the barrel body 1, sequentially clamps the filter screen plate and the cover body 4, observes the temperature of the display screen, and can infuse food if the temperature of the liquid food is within a set range; the nursing staff presses the movable handle 8.2 to discharge the air in the cylinder body 1, records the initial volume and determines the position of the sealing piston 3 according to the food injection amount; then the catheter and the joint 5 are inserted together, the movable handle 8.2 is pressed, the shifting fork 9.2 shifts the ratchet 9.1 to drive the sealing piston 3 to move towards the outlet direction, so that the liquid food flows into the catheter from the joint 5 after passing through the filter screen plate, when the food injection amount meets the requirement, the movable handle 8.2 is loosened, the shifting fork 9.2 and the ratchet 9.1 are clamped together to limit, the joint 5 is pulled off from the catheter and the inner cavity of the barrel 1 is cleaned, and the next food injection is facilitated.
If the temperature of the liquid food is higher than the set range, the liquid food is injected after being cooled to the set range; if the temperature of the liquid food is too low, the liquid food needs to be heated and then fed; in order to reduce the nursing amount, a small amount of liquid food is poured into the barrel body 1 before food is injected, the temperature is observed while pouring, if the temperature is too low, the liquid food is heated and then the food is injected, and if the temperature is too high, the liquid food is poured into the barrel body 1 after being cooled slightly.
The barrel body 1 and the cover body 4 of the utility model are clamped together, the assembly and disassembly are convenient, the liquid food or the medicine or the warm boiled water can be poured into the barrel body at one time, repeated suction is not needed, the feeding operation steps are simplified, and the pollution probability is reduced; the filter screen plate can filter liquid food, and effectively prevent the guide pipe from being blocked; the movable handle 8.2 can be automatically reset after being loosened, so that the shifting fork 9.2 tightly clamps the ratchet 9.1, and the sealing piston 3 is further fixed, the operation is simple and convenient, and the food injection amount can be conveniently read; the temperature is displayed through the display, the alarm module alarms at low temperature and high temperature, the feeding temperature of a patient is controlled within a set range, and the comfort level of the patient is guaranteed.
In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (6)
1. The utility model provides a medical food injector, includes the food injector body, its characterized in that: the food injector body comprises
The side wall of the cylinder body (1) is of a double-layer structure, a sealing piston (3) with a piston rod (2) is arranged in the cylinder body (1) in a sliding mode, and scale marks are arranged on the outer side wall of the cylinder body (1) and are convenient for recording the food intake of a patient;
the cover body (4) is arranged at the outlet of the cylinder body (1) in a sealing way and is provided with a joint (5) connected with the guide pipe;
the filtering piece (6) is arranged at the outlet of the cylinder body (1) and is used for filtering the liquid food in the cylinder body (1);
the driving part comprises a hand-held piece and a transmission piece, and a nursing staff holds the hand-held piece by hand and drives the piston rod (2) to push the liquid food forwards through the transmission piece, so that the liquid food enters the conduit through the filter piece (6) and the joint (5);
the temperature sensor is arranged on the piston assembly and used for detecting the temperature of the liquid food or the medicine in the cylinder body (1); and the controller (7) is arranged on the barrel body (1) and comprises a display screen, a control module and an alarm module, the display screen is used for displaying the temperature in the barrel body (1), the control module is used for receiving the signal of the temperature sensor, and when the temperature exceeds or is lower than a set range, the control module controls the alarm module to give an alarm to remind a nursing staff.
2. The medical food injector of claim 1, wherein: the cylinder body (1) and the cover body (4) are buckled together in a sealing way, and the filtering piece (6) is a filtering screen plate which is movably clamped in the cylinder body (1).
3. The medical food injector of claim 1, wherein: the handheld piece comprises a fixed handle (8.1) fixed at the rear end of the barrel body (1) and a movable handle (8.2) hinged with the fixed handle (8.1) through a hinge shaft, and one end of the movable handle (8.2) extends into the barrel body (1).
4. The medical food injector of claim 3, wherein: the transmission piece comprises a plurality of ratchets (9.1) arranged on the piston rod (2) and a shifting fork (9.2) hinged to the inner end part of the movable handle (8.1), and the shifting fork shifts the ratchets (9.1) to move towards the outlet direction of the barrel body (1) and is used for injecting the liquid food or the medicine in the barrel body (1) into a catheter of a patient.
5. The medical food injector of claim 3, wherein: the anti-skidding sleeves are sleeved on the fixed handle (8.1) and the movable handle (8.2), and the movable handle (8.2) is provided with a hand holding groove for improving comfort level.
6. The medical food injector of claim 1, wherein: the volume of the cylinder body (1) is 150-350 mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135185.8U CN212140956U (en) | 2019-12-03 | 2019-12-03 | Medical food injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135185.8U CN212140956U (en) | 2019-12-03 | 2019-12-03 | Medical food injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212140956U true CN212140956U (en) | 2020-12-15 |
Family
ID=73703433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922135185.8U Active CN212140956U (en) | 2019-12-03 | 2019-12-03 | Medical food injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212140956U (en) |
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2019
- 2019-12-03 CN CN201922135185.8U patent/CN212140956U/en active Active
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