CN216725390U - Medicine adding device - Google Patents

Abstract

The utility model provides a medicine adding device, and belongs to the technical field of medical instruments. It has solved the current not good problem of doser safety in utilization. This doser includes inside hollow dosing pipe, and the one end of dosing pipe is the feed liquor end, and the other end of feeding pipe is for going out the liquid end, and the dosing pipe has the end of adding medicine that is located the feed liquor end and goes out between the liquid end, adds the medicine end and feeds through in the inner chamber of dosing pipe, adds and is equipped with the plug in the medicine end, and the plug middle part has the crack, and the crack link up the top surface and the bottom surface of plug, adds the cartridge union coupling and will add the apron of medicine end closing cap. The utility model has the advantages of convenient use, good use safety and the like.

Description

Medicine adding device

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a doser.

Background

In clinical transfusion, due to the limitation of disease conditions or the conditions of patients, repeated transfusion for a long time or the condition that liquid medicine needs to be temporarily filled into a transfusion pipeline for many times in single transfusion can occur, so that a medicine adding device can be connected into the transfusion pipeline.

For example, chinese patent literature discloses a needleless doser [ application No.: 200910017659.7; application publication No.: CN101637626A ], a drug feeding port is arranged at the outer end of the drug feeding tube, a sealing cover is arranged on the drug feeding port, a flaring cavity is arranged between the drug feeding port and the drug feeding tube, a silicone rubber plug is lined in the flaring cavity, a drug feeding gap is left between the flaring cavity and the silicone rubber plug, the sealing cover is a silicone rubber sealing cover, and the silicone rubber plug and the silicone rubber sealing cover are of an integral structure.

When the needleless doser is used, the syringe without a needle head can be used for jacking the silicon rubber sealing cover, then dosing is carried out, the added liquid medicine can enter the dosing pipe from a liquid inlet gap between the flaring inner cavity and the silicon rubber plug, the syringe is drawn out, the silicon rubber sealing cover retracts to recover the sealing state, the purpose of needleless dosing is achieved, however, external dust or germs are easily attached to the silicon rubber sealing cover from the dosing opening, and when the syringe is used for dosing, the external dust or germs enter the infusion tube along with the liquid medicine, so that infusion pollution is caused, and harm is caused to patients.

Disclosure of Invention

The utility model aims to provide a doser with good use safety aiming at the problems in the prior art.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a medicine adding device, includes inside hollow medicine adding pipe, the one end of medicine adding pipe be the feed liquor end, the other end of liquid adding pipe is for going out the liquid end, the medicine adding pipe have be located the feed liquor end and go out the liquid end between add the medicine end, add the inner chamber that the medicine end communicates in the medicine adding pipe, the medicine end in be equipped with the plug, its characterized in that, plug middle part the crack has, the crack link up the top surface and the bottom surface of plug, the medicine adding union coupling have the apron that will add the medicine end closing cap.

In foretell doser, the medicine end overcoat have the adapter sleeve, the adapter sleeve link together through connecting band and apron, the edge of apron have the round be used for with the surrounding edge of adapter sleeve joint.

In the doser, the top of the connecting sleeve is provided with a circle of turned-over edges which are turned inwards and abut against the top surface of the rubber plug.

In the doser, the outer wall of the dosing end is provided with a convex rib protruding outwards in the radial direction, the upper part of the outer wall of the convex rib is a conical surface, and the inner wall of the connecting sleeve is provided with an annular groove for accommodating the convex rib.

As another case, in the above-mentioned medicine adding device, the medicine adding end is connected with the connecting sleeve by screw thread. The outer wall of the dosing end is provided with an external thread, the inner wall of the connecting sleeve is provided with an internal thread, and the dosing end is conveniently in threaded connection with the connecting sleeve.

In the doser, the center of the bottom of the rubber plug is provided with a groove which is concave in a spherical surface and communicated with the crack.

In the doser, the dosing end is supported on the blocking shoulder of the rubber plug and is provided with a circle of convex rings, and the convex rings are abutted against the edges of the grooves.

In the above medicine feeder, the outer wall of the medicine feeding pipe is provided with a plurality of reinforcing ribs which extend axially and are distributed circumferentially.

In the doser, the outer wall of the cover plate is provided with a convex edge protruding outwards in the radial direction.

Compared with the prior art, the doser has reasonable structural design, convenient use and good use safety.

Drawings

Fig. 1 is a perspective view of the applicator.

Fig. 2 is a three-dimensional structure diagram of the medicine adding pipe and the rubber plug in the medicine adding device.

Fig. 3 is a structural sectional view of the applicator.

In the figure, 1, a medicine feeding pipe; 11. a liquid inlet end; 12. discharging liquid; 13. a dosing end; 131. a rib is protruded; 132. a convex ring; 14. reinforcing ribs; 2. a rubber plug; 21. cracking; 22. a groove; 3. a cover plate; 31. surrounding edges; 32. a convex edge; 4. connecting sleeves; 41. flanging; 5. and a connecting belt.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2 and fig. 3, this doser includes inside hollow dosing pipe 1, the one end of dosing pipe 1 is feed liquor end 11, the other end of feed liquor pipe is for going out liquid end 12, dosing pipe 1 has the medicine end 13 that adds that is located between feed liquor end 11 and the liquid end 12, it communicates in the inner chamber of dosing pipe 1 to add medicine end 13, it is equipped with plug 2 in the medicine end 13 to add, plug 2 middle part has crack 21, crack 21 link up plug 2's top surface and bottom surface, dosing pipe 1 is connected with the apron 3 that will add medicine end 13 closing cap.

The liquid inlet end 11 and the liquid outlet end 12 of the doser are connected with a liquid supply pipeline, the cover plate 3 is covered on the dosing end 13 at ordinary times, external dust and microorganisms are prevented from invading the dosing end 13, and the elasticity of the rubber plug 2 closes the crack 21 to ensure the sealing property of the dosing end 13; when needing to add medicine, take off apron 3 from adding medicine end 13, later the tip of syringe inserts in the crack 21 (plug 2 has elasticity, crack 21 deformation part), enters into the liquid medicine and adds in medicine pipe 1, dials out the syringe afterwards, and the elasticity of plug 2 makes crack 21 reclose, adds medicine back and covers apron 3 in adding medicine end 13 again. The crack 21 of the rubber plug 2 in the doser avoids the puncture of the injector to generate scraps, avoids the pollution of infusion, and the cover plate 3 plays a role in dust prevention and pollution prevention, and has good use safety.

In more detail, the connecting sleeve 4 is sleeved outside the dosing end 13, the connecting sleeve 4 is connected with the cover plate 3 into a whole through the connecting belt 5, the edge of the cover plate 3 is provided with a circle of surrounding edge 31 used for being clamped with the connecting sleeve 4, the cover plate 3 is sleeved on the connecting sleeve 4 through the surrounding edge 31 and clamped, the cover plate 3 is taken down when dosing is carried out, the connecting belt 5 enables the cover plate 3 not to fall, the problem that the cover plate 3 falls and is polluted is avoided, and the operation is convenient; the top of the connecting sleeve 4 is provided with a circle of turned-over edges 41 which are turned over inwards and abut against the top surface of the rubber plug 2, so that the rubber plug 2 has good sealing performance and stable positioning, and is convenient for adding medicine; the outer wall of medicine end 13 has radial evagination protruding muscle 131, and the outer wall upper portion of protruding muscle 131 is the conical surface, and the inner wall of adapter sleeve 4 has the ring channel that holds protruding muscle 131, and the conical surface plays the guide effect, and the adapter sleeve 4 of being convenient for embolias medicine end 13, and later protruding muscle 131 is located the ring channel, and adapter sleeve 4 can not break away from medicine end 13, and convenient connection is just firm.

The bottom center of the rubber plug 2 is provided with a groove 22 which is spherically concave and communicated with the crack 21, the groove 22 weakens the rigidity of the rubber plug 2, so that the crack 21 has large deformation amount and is convenient for the insertion of an injector, the groove 22 also reduces the interference of the bottom of the rubber plug 2 and the injector, and the injector is smoothly inserted; the medicine adding end 13 is supported on the blocking shoulder of the rubber plug 2 and is provided with a circle of convex ring 132, and the convex ring 132 is abutted against the edge of the groove 22, so that the rubber plug 2 is stably positioned and the working stability is good.

The outer wall of the dosing tube 1 is provided with a plurality of reinforcing ribs 14 which extend axially and are distributed circumferentially, the reinforcing ribs 14 not only increase the strength of the dosing tube 1, but also the reinforcing ribs 14 are convenient for medical staff to hold the dosing tube 1, and the dosing convenience is improved; the outer wall of the cover plate 3 is provided with a convex edge 32 which is convex in the radial direction, and the convex edge 32 provides a force application point for the medical staff to take off the cover plate 3.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a medicine adding device, includes inside hollow medicine adding pipe (1), the one end of medicine adding pipe (1) be feed liquor end (11), the other end of liquid adding pipe is for going out liquid end (12), medicine adding pipe (1) have and be located feed liquor end (11) and go out the medicine end (13) between liquid end (12), medicine adding end (13) communicate in the inner chamber that adds medicine pipe (1), medicine adding end (13) in be equipped with plug (2), a serial communication port, plug (2) middle part crack (21) have, crack (21) link up the top surface and the bottom surface of plug (2), medicine adding pipe (1) be connected with apron (3) that will add medicine end (13) closing cap.

2. The doser as claimed in claim 1, characterized in that a connecting sleeve (4) is sleeved outside the dosing end (13), the connecting sleeve (4) is connected with the cover plate (3) into a whole through a connecting belt (5), and the edge of the cover plate (3) is provided with a circle of surrounding edge (31) for being clamped with the connecting sleeve (4).

3. Medicine feeder according to claim 2 characterized in that the top of the connection sleeve (4) has a turn-up (41) turned inwards and against the top of the rubber plug (2).

4. The doser as claimed in claim 3, characterized in that the outer wall of the dosing end (13) is provided with a radially protruding rib (131), the upper part of the outer wall of the rib (131) is a conical surface, and the inner wall of the connecting sleeve (4) is provided with an annular groove for accommodating the rib (131).

5. A doser as claimed in claim 3, characterized in that the dosing end (13) is screwed to the connecting sleeve (4).

6. An applicator as claimed in claim 1 or 2 or 3 or 4 or 5 wherein the center of the bottom of the rubber plug (2) has a groove (22) which is spherically concave and communicates with the slit (21).

7. Medicine applicator according to claim 6, characterized in that the shoulder of the applicator tip (13) which is supported by the plug (2) has a protruding collar (132), the collar (132) abutting against the edge of the groove (22).

8. An applicator according to claim 7, wherein the outer wall of the applicator tube (1) has a plurality of axially extending circumferentially distributed ribs (14).

9. An applicator as claimed in claim 8 wherein the outer wall of said cover (3) has a radially outwardly projecting ledge (32).

10. A doser as claimed in claim 1, 2 or 3, characterized in that the outer wall of the cover plate (3) has a radially outwardly projecting bead (32).

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