CN211244657U

CN211244657U - Tube feeding is with grinding medicine and injection device

Info

Publication number: CN211244657U
Application number: CN201922247306.8U
Authority: CN
Inventors: 孙捷
Original assignee: Cancer Hospital and Institute of CAMS and PUMC
Current assignee: Cancer Hospital and Institute of CAMS and PUMC
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-14
Anticipated expiration: 2029-12-16

Abstract

The utility model provides a tube feeding is with grinding medicine and injection device belongs to medical care articles for use field. The drug grinding and injecting device for tube feeding comprises: the device comprises a grinding cylinder and a movable part which is arranged coaxially with the grinding cylinder; a drug grinding plate coaxial with the drug grinding cylinder is arranged in the drug grinding cylinder; the grinding cartridge is of a cylindrical structure, one end of the grinding cartridge is open, the other end of the grinding cartridge is closed, and the closed end of the grinding cartridge is connected with a suction and injection pipe; both ends of the suction and injection pipe are open, and one end of the suction and injection pipe is open and connected with the closed end of the grinding cylinder; the suction injection pipe is communicated with the inner cavity of the drug grinding cylinder. Utilize the utility model discloses can accomplish the medicine in same device and roll, dissolve and pour into, prevent that the tablet is extravagant, avoid the secondary infection, easy operation has made things convenient for at home or clinical care personnel to use.

Description

Tube feeding is with grinding medicine and injection device

Technical Field

The utility model belongs to medical care articles for use field, concretely relates to tube feeding is with grinding medicine and injection device.

Background

Clinically, the medicine used by the tube-fed patient needs to be treated and then injected into the nutrient tube, and is input into the patient body together with nutrient solution, and the treatment process is as follows: various slice medicines are firstly ground into powder in the medicine grinding bowl, then water is added to dissolve the medicine powder, the medicine powder after being dissolved is extracted by the injector and then is connected into the nutrient canal to realize medicine use, the process is complicated, the workload of nursing staff is increased, the medicine waste is easily caused in the grinding process, and the risk of secondary infection exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the difficult problem that exists among the above-mentioned prior art, provide a tube feeding with grinding medicine and injection device, accomplish the medicine in same device and roll, dissolve and pour into, prevent that the tablet is extravagant, avoid the secondary infection, easy operation makes things convenient for the nursing staff to use.

The utility model discloses a realize through following technical scheme:

a tube feeding drug grinding and injection device comprises a drug grinding cylinder and a movable part which is arranged coaxially with the drug grinding cylinder;

a drug grinding plate coaxial with the drug grinding cylinder is arranged in the drug grinding cylinder;

the grinding cartridge is of a cylindrical structure, one end of the grinding cartridge is open, the other end of the grinding cartridge is closed, and the closed end of the grinding cartridge is connected with a suction and injection pipe; both ends of the suction and injection pipe are open, and one end of the suction and injection pipe is open and connected with the closed end of the grinding cylinder; the suction injection pipe is communicated with the inner cavity of the drug grinding cylinder.

The drug grinding plate is arranged at the closed end in the inner cavity of the drug grinding cylinder;

the drug grinding plate is fixedly connected with the drug grinding cylinder; or the drug grinding plate is of an independent structure and can be put in and taken out from the opening end of the drug grinding cylinder.

Preferably, the medicine grinding plate is a circular plate, and a plurality of small holes are densely distributed in the circular plate;

or the circular plate is made of stainless steel mesh.

Further, the upper surface of the medicine grinding plate is a rough surface.

The movable part comprises a piston and a piston rod coaxially connected with the piston;

the outer diameter of the piston rod is smaller than or equal to that of the piston;

the outer diameter of the piston is smaller than the inner diameter of the grinding cylinder;

the outer wall of the piston is provided with an annular groove coaxial with the piston;

a sealing ring can be placed in the annular groove.

The two movable parts are respectively a medicine grinding part and a suction and injection part;

the medicine grinding component comprises two cylinders with different diameters which are coaxially connected, or one cylinder is adopted; the outer diameter of the medicine grinding component is smaller than the inner diameter of the medicine grinding cylinder;

the sucking and injecting component comprises a core bar and a rubber plug which are coaxially connected, the rubber plug is connected to one end of the core bar, and the outer wall of the rubber plug can form sealing with the inner wall of the drug grinding cylinder.

Preferably, the device further comprises a base;

the base is of a cylindrical structure, the central through hole of the base is a stepped hole and comprises a large hole and a small hole which are communicated, and the large hole is positioned above the small hole;

the inner diameter of the large hole is larger than that of the small hole, and an annular step is formed at the transition part of the large hole and the small hole;

the inner diameter of the large hole is larger than the outer diameter of the grinding cylinder, and the inner diameter of the small hole is larger than the outer diameter of the suction and injection pipe;

the length of the small hole is larger than that of the suction and injection pipe.

A sucker with a downward opening is connected to the lower part of the base;

the upper portion of sucking disc is equipped with annular recess, the lower extreme of base can insert in the annular recess.

A cap is connected to the suction and injection pipe of the drug grinding cylinder through a connecting part;

the suction and injection pipe of the grinding cartridge is connected with a plurality of connectors through connecting parts;

the connecting part comprises a fixing ring and a connecting wire, and the fixing ring is of a circular structure; one end of the connecting wire is connected with the outer wall of the fixing ring, and the other end of the connecting wire is connected with the cap or the joint.

A pull ring is arranged at one end of the movable part, which is positioned outside the grinding cylinder;

an outward annular flange is arranged at the opening end of the medicine grinding cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: utilize the utility model discloses can accomplish the medicine in same device and roll, dissolve and pour into, prevent that the tablet is extravagant, avoid the secondary infection, easy operation has made things convenient for at home or clinical care personnel to use.

Drawings

FIG. 1 is a schematic view of the structure of the apparatus of the present invention;

fig. 2 is a schematic structural view of a drug grinding plate of the present invention;

fig. 3 is a schematic structural diagram of a third embodiment of the present invention;

fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention;

fig. 5 is a bottom view of a fourth embodiment of the present invention;

fig. 6 is a schematic structural view of the base of the present invention;

FIG. 7 is a schematic structural view of the suction cup of the present invention;

fig. 8 is a schematic view of the connection relationship between the cap, the joint and the drug grinding cartridge of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings:

as shown in fig. 1, the feeding grinding and injecting device of the present invention comprises: the device comprises a drug grinding cylinder 2 and a movable part 1 which is arranged coaxially with the drug grinding cylinder 2, wherein a drug grinding plate 3 which is coaxial with the drug grinding cylinder is arranged in the drug grinding cylinder 2. Specifically, grind cartridge case 2 and be cylindric structure, its one end opening, one end is sealed, is connected with at its closed end and inhales notes pipe 4, inhale the both ends of notes pipe 4 and all open, its one end opening with grind the inner chamber intercommunication of cartridge case 2.

Grind medicine board 3 and set up the blind end of the inner chamber of cartridge case 2, it can set up to and grind cartridge case fixed connection, for example will grind the edge of cartridge case and the bottom inner wall welded connection who grinds the cartridge case or be connected through spot welding with the blind end that grinds the cartridge case, perhaps will grind the design of medicine board and be independent structure, after putting into the cartridge case with it, the lower surface of grinding the medicine board directly with grind the interior surface contact of the blind end of cartridge case, the blind end of grinding the cartridge case provides the support for grinding the medicine board. When the open end that will grind the cartridge case down, grind the medicine board and can follow the open end of grinding the cartridge case and come out, be convenient for wash or change grinding the medicine board alone. When the movable part is pushed and pulled, the medicine grinding plate cannot fall out of the medicine grinding cylinder due to the blocking of the movable part. The outer diameter of the medicine grinding plate 3 is slightly smaller than the inner diameter of the medicine grinding cylinder, so that the medicine grinding cylinder can enter and exit without too many gaps.

The embodiment of the utility model is as follows:

the first embodiment is as follows:

as shown in fig. 2, the drug milling plate is a circular plate, and a plurality of small holes are densely distributed on the circular plate (only a plurality of small holes are illustrated in fig. 2, and the specific arrangement of the small holes can be designed according to the needs, such as uniform distribution, dense middle and sparse edge), or the circular drug milling plate is directly made of stainless steel mesh. The small holes on the medicine grinding plate are convenient for liquid to pass through the medicine grinding plate.

Example two:

on the basis of the first embodiment, the upper surface of the drug grinding plate is designed to be a rough surface. For example, a plurality of small sharp projections can be provided, which further increases the grinding effect.

Example three:

the movable part comprises a piston 102 and a piston rod 101 coaxially connected with the piston, and both the piston rod and the piston are made of solid stainless steel materials as shown in fig. 3. The outer diameter of the piston rod is smaller than or equal to the outer diameter of the piston. The outer diameter of the piston is smaller than the inner diameter of the grinding cylinder, and the outer wall of the piston is provided with an annular groove 103 coaxial with the piston. When grinding the medicine, do not place the sealing washer in the annular groove 103, grind the medicine and finish the back, put into the sealing washer in annular groove 103, the external diameter of sealing washer is greater than the external diameter of piston, has realized like this that the piston is sealed between the inner wall of piston and the cartridge case of grinding, can utilize the push-and-pull of piston to make liquid get into and grind the cartridge case or release liquid from grinding the cartridge case.

Example four:

the movable part includes two, is respectively for grinding the medicine part and inhale the notes part, grind the medicine part and can adopt solid stainless steel material to make integrative structure, the cylinder of two different diameters of coaxial line connection promptly, perhaps directly adopt a stainless steel cylinder, the external diameter of grinding the medicine part is less than the internal diameter of grinding the cartridge case. As shown in fig. 4 and 5, the suction and injection part adopts a piston structure of a common syringe, and comprises a core bar 105 and a rubber plug 106 which are coaxially connected, wherein the rubber plug 106 is connected to one end of the core bar 105, and the outer wall of the rubber plug 106 can form a seal with the inner wall of the drug grinding cylinder. The core rod adopts rods with various shapes, such as a cylinder shape, a square shape and the like, and preferably adopts a rod-shaped structure with a cross-shaped cross section.

When grinding the medicine, firstly, the medicine grinding component is used for grinding the medicine, after grinding is finished, the medicine grinding component is taken out, and the suction and injection component is inserted into the medicine grinding cylinder for sucking and pushing out the liquid.

Example five:

in order to facilitate the pulling of the movable part, a pull ring 104 is arranged at one end of the movable part, which is positioned outside the mill cylinder, and the pull ring is also convenient for hanging and drying the movable part when not in use.

Example six:

an outward annular flange 201 is provided at the open end of the cartridge for facilitating the pushing of the movable element to provide further support for the cartridge by hand.

Example seven:

the device of the utility model can be directly held by hand to grind the medicine, and in order to further facilitate the placement of the device on the table-board to grind the medicine, the device further comprises a base 5, as shown in fig. 6, the base 5 is of a cylindrical structure, the central through hole of the base is a stepped hole and comprises a communicated big hole and a small hole, and the big hole is positioned above the small hole; the inner diameter of the large hole is larger than that of the small hole, and an annular step is formed at the transition part of the large hole and the small hole; the inner diameter of the large hole is slightly larger than the outer diameter of the grinding cylinder, and the inner diameter of the small hole is larger than the outer diameter of the suction and injection pipe. The length of aperture is greater than on grinding the cartridge case inhale the length of notes pipe, when grinding the inhaling notes pipe of cartridge case and placing down on the base like this, grind the upper surface contact of the lower terminal surface of cartridge case and annular step, annular step will grind the cartridge case and hold, inhale the notes pipe and be located the aperture, between the bottom face of annular step and base promptly. Further, the lower extreme of base is connected with opening sucking disc 6 down, inhales sucking disc 6 on smooth mesa and can fix the base, can prevent whole device's slip when grinding the medicine like this. As shown in fig. 7, the suction cup 6 is made of rubber or silica gel, and an annular groove is formed in the upper portion of the suction cup, and the lower end of the base can be inserted into the annular groove due to the elasticity of the suction cup, so that the suction cup can be detached from the base when not needed. Or a plurality of small suckers can be directly connected to the lower end surface of the base, and the existing various small suckers can be adopted.

Example eight:

as shown in fig. 8, a cap 7 is attached to the injection tube of the drug milling cartridge, and when the injection tube needs to be closed, the open end of the other end of the injection tube is closed with the cap. The block pass through adapting unit with inhale the outer wall connection of notes pipe, can prevent like this that when not using the block, the block is placed at will, is not convenient for look for, has also avoided the block to be contaminated, when grinding the medicine, seals the open end that inhales the notes pipe through the block, has also prevented that powder from inhaling the notes pipe and spilling. The cap can be formed by various existing caps, such as a silica gel cap, a plastic cap, a rubber cap and the like.

Example nine:

as shown in fig. 8, a plurality of types of connectors 8 are connected to the suction pipe, and pipes or ports having different inner diameters can be connected to the suction pipe through different connectors 8, as shown in fig. 7. The joint 8 can be any one of the joints used for various medical catheters, and each joint is connected with the suction and injection pipe through a connecting part.

The connecting member according to the eighth and ninth embodiments includes a fixing ring and a connecting wire, the fixing ring has a ring-shaped structure and is made of an elastic material, such as silicone rubber, or the like, and one end of the connecting wire is connected to an outer wall of the fixing ring, and the other end of the connecting wire is connected to a cap or a joint. The connecting wire can be made of the same material as the fixing ring. Every connects a adapting unit that corresponds, struts the back cover with solid fixed ring and annotates on the suction pipe, gu fixed ring shrink connects promptly on the suction pipe, when needing to take off, strut solid fixed ring and can take off. Can put in block and a plurality of joint on inhaling the notes pipe as required like this, also conveniently change the block and connect, during the use, with block or joint sleeve can inhale the open end of notes pipe, when not using, block, joint are connected on inhaling the notes pipe through connecting wire, solid fixed ring always, can not placed at will, have avoided block, joint to be contaminated, the nursing staff of also being convenient for finds block, joint at any time.

Grind cartridge case, grind medicine board, inhale the notes pipe, grind medicine part, base and all adopt stainless steel material to make, easily clean disinfection, and can recycle.

During the use, earlier cover with the block with the open end of inhaling the notes pipe of grinding the cartridge case, will grind the blind end of cartridge case and place down on the base, take out the piston, put into with the medicine and grind the cartridge case in, the medicine can drop on grinding the medicine board, inserts behind the piston, and the medicine lies in between piston and the medicine board, pulverizes the medicine through upper and lower promotion piston or through rotary piston. Taking out the piston to add the sealing ring on the piston or taking out the medicine grinding component, inserting the piston or the sucking and injecting component added with the sealing ring into the medicine grinding cylinder, taking off the medicine grinding cylinder from the base, enabling the closed end of the medicine grinding cylinder to face upwards, opening the cover cap, aligning the sucking and injecting pipe with the water (or other liquid) container, sucking the water (or other liquid) into the medicine grinding cylinder by pulling the piston or the sucking and injecting component, covering the cover cap, shaking the medicine grinding cylinder back and forth until the medicine is fully dissolved, then opening the cover cap again, connecting the sucking and injecting pipe with the nutrient canal or the corresponding connector on the sucking and injecting pipe and then connecting the sucking and injecting pipe with the nutrient canal, and injecting the solution in the medicine grinding cylinder into the nutrient canal by pushing the piston or the sucking and injecting component, namely completing the injection of the medicine. Can find out from whole use, the utility model discloses a device has realized grinding the medicine, has dissolved, has injected into, has greatly made things convenient for nursing staff, and has avoided the extravagant and secondary pollution of medicine.

The above technical solution is only an implementation manner of the present invention, and for those skilled in the art, based on the principle disclosed in the present invention, various modifications or variations can be easily made, and not limited to the structure described in the above specific embodiments of the present invention, so that the foregoing description is only preferred, and not restrictive.

Claims

1. The utility model provides a tube is fed with grinding medicine and injection device which characterized in that: the tube feeding drug grinding and injection device comprises: the device comprises a grinding cylinder and a movable part which is arranged coaxially with the grinding cylinder;

2. The tube feeding drug grinding and injection device according to claim 1, characterized in that: the drug grinding plate is arranged at the closed end in the inner cavity of the drug grinding cylinder;

3. The tube feeding drug grinding and injection device according to claim 2, characterized in that: the medicine grinding plate is a circular plate, and a plurality of small holes are densely distributed in the circular plate;

or the circular plate is made of stainless steel mesh.

4. The tube feeding roller and injection device of claim 3, wherein: the upper surface of the medicine grinding plate is a rough surface.

5. The tube feeding drug grinding and injection device according to claim 1, characterized in that: the movable part comprises a piston and a piston rod coaxially connected with the piston;

a sealing ring can be placed in the annular groove.

6. The tube feeding drug grinding and injection device according to claim 1, characterized in that: the two movable parts are respectively a medicine grinding part and a suction and injection part;

7. The tube feeding drug grinding and injection device according to claim 1, characterized in that: the device further comprises a base;

8. The tube feeding drug rolling and injecting apparatus according to claim 7, characterized in that: a sucker with a downward opening is connected to the lower part of the base;

9. The tube feeding drug grinding and injection device according to claim 1, characterized in that: a cap is connected to the suction and injection pipe of the drug grinding cylinder through a connecting part;

10. The tube feeding drug grinding and injection device according to claim 1, characterized in that: a pull ring is arranged at one end of the movable part, which is positioned outside the grinding cylinder;