CN217472564U

CN217472564U - Quantitative medicine feeder

Info

Publication number: CN217472564U
Application number: CN202220715831.7U
Authority: CN
Inventors: 王岳柏; 刘鹏; 王忠义
Original assignee: Zhejiang Jiaoyang Biomedical Technology Co ltd
Current assignee: Zhejiang Jiaoyang Biomedical Technology Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-09-23
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a quantitative medicine feeder, including the cylinder and with cylinder matched with push rod, the front end of cylinder is provided with the syringe needle mount pad, and the rear end is provided with the ring, the front end of push rod is provided with the rubber buffer installation department, and the rear end is provided with the portion of bulldozing, be provided with spacing portion on the push rod spacing portion centre gripping cooperation elastic clamp. According to the dose of dosing as required, set up spacing portion on the push rod, the elastic clamp centre gripping is on the spacing portion of push rod, and when promoting the push rod to extrude the medicine forward, after the dose of extruding the medicine reached and set for the dose, the elastic clamp butt is on the ring of tip behind the cylinder, accomplishes and doses for the first time, takes off the elastic clamp, continues to promote the push rod, can make the medicine can be injected by dividing.

Description

Quantitative medicine feeder

Technical Field

The utility model relates to a ware field of dosing, concretely relates to ration ware of dosing.

Background

The medicine feeder is one device widely used in medical treatment and other fields, and has the principle of sucking liquid into syringe and discharging via luer head, and the conventional syringe has metering ruler in the outer wall to determine the injection amount, piston handle on the piston rod to push the piston, and rubber ring or rubber pushing head to make the liquid medicine enter the body.

However, in some special situations, the liquid medicine in the syringe is often required to be injected in several times, and the amount of each injection is required to be very accurate, the existing injector needs an operator to control the injection amount according to the scales on the syringe, and meanwhile, the operator needs to grasp the syringe with fingers and push the syringe with a large force, and the operator needs to pay attention to the scales and the grasping force at the same time, so that the situation that the injection amount is larger or smaller is easy to occur, and the phenomena of over-treatment and under-treatment are caused. On the other hand, in the treatment of nasal diseases, it is often necessary to dose a quantity of liquid medicine to the nostrils. For some diseases except nasal cavity, the corresponding medicine is required to be sprayed in the nasal cavity in a quantitative mode so as to be convenient for the medicine to be inhaled into the body from the nasal cavity, and the requirement of accuracy is difficult to achieve by a conventional syringe.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a quantitative medicine feeder to realize quantitative medicine feeding for a plurality of times.

In order to achieve the purpose, the utility model provides a continuous accurate ration ware of dosing, including the cylinder and with cylinder matched with push rod, the front end of cylinder is provided with the syringe needle mount pad, and the rear end is provided with the ring, the front end of push rod is provided with the rubber buffer installation department, and the back end is provided with the portion of bulldozing, be provided with spacing portion on the push rod, spacing portion and the cooperation of elastic clamp centre gripping. After the medicine feeder is used for sucking the medicine, the elastic clamp is clamped on the limiting part, the push rod is pushed to move forwards during medicine feeding, after the medicine feeding amount reaches the set medicine amount, the elastic clamp can abut against a finger ring at the rear end part of the needle cylinder, the push rod cannot continue to move forwards, and the first medicine feeding is finished. The elastic clip is taken out, the push rod is continuously pushed, and the medicine can be continuously administered.

According to a further preferred technical scheme, the limiting part comprises an annular groove formed in the push rod, and the elastic clamp is clamped on the annular groove.

According to a further preferable technical scheme, the limiting part comprises a first protruding part and a second protruding part which are arranged on the push rod, the first protruding part or the second protruding part is an annular rib or at least comprises two protruding points, the two protruding points are located in the same plane, the cross section of the limiting part is smaller than that of the needle cylinder, a limiting section is formed between the first protruding part and the second protruding part, and the elastic clamp is matched with the limiting section in a clamping mode.

According to a further preferable technical scheme, the needle cylinder is composed of a liquid storage section and a limiting section which are of a stepped structure, and the inner diameter of the liquid storage section is smaller than that of the limiting section; the push rod consists of a front push rod section and a push rod limiting section, the sectional dimension of the front push rod section is smaller than that of the push rod limiting section, the length of the front push rod section is equal to that of the liquid storage section of the needle cylinder, and the first bulge and the second bulge are located on the limiting section of the push rod.

Further preferably, the elastic clip comprises a handle portion and an annular clip portion.

Further preferred technical scheme does, still be provided with annular latch on the interior anchor ring of annular clamping part, the elasticity presss from both sides the joint on spacing portion through annular latch joint.

Further preferred technical scheme is, be provided with quantitative spacing annular on the front end inner wall of cylinder.

Further preferred technical scheme does, the push rod comprises rubber buffer installation department, bulldoze portion and axial rod, the axial rod is the cylinder pole or contains two piece at least alternately axial prism that sets up, elasticity presss from both sides the portion one end that bulldozes through the easy breakpoint connection at the push rod.

Further preferred technical scheme does, the rubber buffer installation department is the bulb, be provided with the rubber buffer on the bulb, the head of rubber buffer be provided with syringe needle mount pad inner tube assorted rubber tail plug, the length of rubber tail plug is greater than the length of syringe needle mount pad.

Further preferred technical scheme does, rubber buffer installation department front end is provided with the plastics tail plug, the plastics tail plug with push rod integrated into one piece, the length of being greater than the syringe needle mount pad of plastics tail plug, the rubber buffer mount pad includes first spacing groove between the axial rod of annular spacing bead, annular spacing bead and push rod, the spacing groove of second between annular spacing bead and the plastics tail plug.

The invention has the advantages and beneficial effects that:

1. according to the dose that needs were dosed, set up spacing portion on the push rod, the elasticity presss from both sides the centre gripping on the spacing portion of push rod, when promoting the push rod and extrude the medicine forward, after the dose that extrudes reached to set for the dose, the elasticity pressed from both sides butt joint on the ring of tip behind the cylinder, accomplishes and doses for the first time, takes off the elasticity and presss from both sides, continues to promote the push rod, can make the medicine can be injected by the branch.

2. Divide into stock solution section and spacing section with the cylinder, the push rod that corresponds is also divided into push rod anterior segment and spacing section, and spacing portion includes first bellying and second bellying, forms spacing section between first bellying and the second bellying, because the diameter of the spacing section of push rod is great, when taking off the elasticity clamp with the elasticity clamp centre gripping on the push rod or from the push rod, it is more convenient to operate.

3. Set up quantitative spacing annular on the stock solution section inner wall of cylinder, quantitative spacing annular sets up in twice dose department, promotes the push rod and makes the rubber buffer arrange quantitative spacing annular department in, can accomplish the quantitative absorption of liquid medicine, promotes the push rod and makes elasticity press from both sides front end butt tip behind the cylinder, takes off the elasticity and presss from both sides and continue to promote the push rod and extrude completely to the liquid medicine, can realize twice accurate dosing.

Drawings

Fig. 1 is a schematic sectional view of a cylinder according to example 1 of the present invention.

Fig. 2 is a schematic view of the push rod in embodiment 1 of the present invention.

FIG. 3 is a schematic view of the applicator according to embodiment 1 of the present invention.

Fig. 4 is a schematic view of the elastic clip according to embodiment 1 of the present invention.

Fig. 5 is a schematic sectional view of a rubber piston according to embodiment 1 of the present invention.

Fig. 6 is a schematic view of a push rod according to embodiment 2 of the present invention.

FIG. 7 is a schematic view of a drug delivery device according to embodiment 2 of the present invention

Fig. 8 is a schematic view of an elastic clip according to embodiment 2 of the present invention.

Figure 9 the utility model discloses a rubber buffer schematic diagram.

In the figure: 1. a needle cylinder; 11. an injection needle mounting seat; 12. a ring; 13. positioning a limiting ring groove; 14. a liquid storage section of the needle cylinder; 15. a syringe limiting section; 2. a push rod; 21. a rubber plug mounting part; 211. a rubber tail plug; 212. an annular limiting convex rib; 213. a first annular limiting groove; 214. a second annular limiting groove; 215. a ball head; 22. a pressing section; 23. an axial rod; 24. a front section of the push rod; 25. a push rod limiting section; 251. a first annular rib; 252. a second annular rib; 253. a limiting groove; 3. an annular groove; 4. an elastic clip; 41. a handle; 42. a clamping portion; 5. a rubber plug; 51. a rubber tail plug; 6. a rubber piston.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1-5, a quantitative medicine feeder comprises a needle cylinder 1 and a push rod 2 matched with the needle cylinder, wherein the front end of the needle cylinder 1 is provided with an injection needle mounting seat 11, the rear end of the needle cylinder 1 is provided with a ring 12, the inner wall of the front end of the needle cylinder 1 is provided with a quantitative limiting ring groove 13, the front end of the push rod 2 is provided with a rubber plug mounting part 21, the rear end of the push rod 2 is provided with a pushing part 2, the push rod 2 is a cylindrical rod, the push rod 2 is provided with an annular groove 3, and the annular groove 3 is in clamping fit with an elastic clamp 4. The spring clip 4 includes a handle 41 and an annular clip portion 42, the annular clip portion 42 being integrally formed with the handle 41. The front end of the rubber plug mounting part 21 is provided with a plastic tail plug 211 matched with the inner cylinder of the injection needle mounting seat 11, the plastic tail plug 211 is integrally formed with the axial rod 23 of the push rod, the length of the plastic tail plug 211 is greater than that of the injection needle mounting seat 11, the rubber plug mounting seat 21 comprises an annular limiting convex rib 212, a first limiting groove 213 between the annular limiting convex rib 212 and the axial rod 23 of the push rod, a second limiting groove 214 between the annular limiting convex rib 212 and the plastic tail plug 211, and the rubber piston 6 is sleeved on the rubber plug mounting seat 21.

The operating principle of this ware of dosing is that use the ware of dosing to absorb liquid medicine to the rubber buffer and the position that contacts with the spacing annular 13 of ration of cylinder 1 from the medicine bottle, promote push rod 2 and carry out the first time and dose for 4 butt of elasticity clamp of cylinder 1 are at the rear end of cylinder 1, accomplish the first time ration and dose. And pressing the handle 41, taking down the elastic clamp 4, pushing the push rod 2 to continue to move forwards until the liquid medicine is completely extruded out, and finishing the second quantitative administration.

Example 2

As shown in fig. 6-9, a quantitative medicine feeder comprises a syringe 1 and a push rod 2 matched with the syringe, wherein the front end of the syringe 1 is provided with an injection needle mounting seat 11, the rear end of the syringe 1 is provided with a finger ring 12, the syringe 1 consists of a liquid storage section 14 and a limiting section 15 which are in a ladder structure, the inner diameter of the liquid storage section 14 is smaller than that of the limiting section 15, and the inner wall of the front end of the liquid storage section 14 of the syringe is provided with a quantitative limiting ring groove 13; the push rod 2 is a cylindrical rod and consists of a push rod front section 24 and a push rod limiting section 25, a first annular convex edge 251 and a second annular convex edge 252 are arranged on the push rod limiting section 25, and the outer diameter of a ring where the first annular convex edge 251 is located is larger than the inner diameter of the syringe liquid storage section 14 and smaller than the inner diameter of the syringe limiting section 15. A limiting groove 253 is formed between the first annular rib 251 and the second annular rib 252, the elastic clamp 4 is clamped on the limiting groove 253, the elastic clamp 4 comprises a handle 41 and a clamping part 42, and the clamping part 42 and the handle 41 are integrally formed. The front end of the push rod 2 is provided with a rubber plug mounting part 21, the rear end is provided with a pushing part 22, the rubber plug mounting part 21 comprises a ball head 215, a rubber plug 5 is arranged on the ball head 215, as shown in fig. 8, the head of the rubber plug 5 is provided with a rubber tail plug 51 matched with the inner cylinder of the injection needle mounting seat 11, and the length of the rubber tail plug 51 is greater than that of the injection needle mounting seat 11.

The working principle of the medicine feeder is that the medicine feeder is used for sucking liquid medicine from a medicine bottle to the position where a rubber plug is contacted with a quantitative limit ring groove 13 of a needle cylinder 1, a push rod 2 is pushed to feed medicine for the first time, so that an elastic clamp 4 of the needle cylinder 1 is abutted to the rear end part of the needle cylinder 1, and the first quantitative medicine feeding is completed. The handle 41 is pressed, the elastic clamp 4 is taken down, the push rod 2 is pushed to continue to move forwards until the liquid medicine is completely extruded, and at the moment, the first annular convex edge 251 is abutted to the front end of the limiting section 15, so that the second quantitative dosing is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a ware of dosing, includes the cylinder and with cylinder matched with push rod, the front end of cylinder is provided with the syringe needle mount pad, and the rear end is provided with the ring, the front end of push rod is provided with the rubber buffer installation department, and the rear end is provided with the portion of bulldozing, its characterized in that, be provided with spacing portion on the push rod, the centre gripping cooperation between spacing portion and the elastic clamp.

2. The dispenser of claim 1 wherein the retainer comprises an annular groove disposed on the push rod, the spring clip being retained on the annular groove.

3. The dispenser according to claim 1, wherein the limiting portion comprises a first protruding portion and a second protruding portion disposed on the push rod, the first protruding portion or the second protruding portion is an annular rib or at least comprises two protruding points, the two protruding points are located in the same plane, the cross-sectional size of the limiting portion is smaller than that of the syringe, a limiting section is formed between the first protruding portion and the second protruding portion, and the elastic clip is in clamping fit with the limiting section.

4. The dispenser according to claim 3, wherein the syringe is composed of a liquid storage section and a limiting section which are in a stepped structure, and the inner diameter of the liquid storage section is smaller than that of the limiting section; the push rod is composed of a push rod front section and a push rod limiting section, the sectional dimension of the push rod front section is smaller than that of the push rod limiting section, the length of the push rod front section is equal to that of the syringe liquid storage section, and the first protruding portion and the second protruding portion are located in the limiting section of the push rod.

5. The dispenser of claim 1, wherein the resilient clip comprises a handle portion and an annular clip portion.

6. The administration device according to claim 5, wherein the annular clamping portion is further provided with an annular latch on an inner annular surface thereof, and the elastic clip is clamped on the limiting portion through the annular latch.

7. The dispenser according to claim 1, wherein the inner wall of the front end of the syringe is provided with a liquid medicine quantitative limiting ring groove.

8. The dispenser according to any one of claims 1 to 7, wherein the push rod is composed of a rubber plug mounting part, a pushing part and an axial rod, the axial rod is a cylindrical rod or comprises at least two axial prisms arranged in a crossed manner, and the elastic clamp is connected to one end of the pushing part of the push rod through a breakable point.

9. The dispenser according to claim 8, wherein the rubber plug mounting part is a ball head, a rubber plug is arranged on the ball head, the head of the rubber plug is provided with a rubber tail plug matched with the inner cylinder of the injection needle mounting seat, and the length of the rubber tail plug is greater than that of the injection needle mounting seat.

10. The dispenser according to claim 9, characterized in that rubber buffer installation department front end is provided with the plastics tail plug, the plastics tail plug with push rod integrated into one piece, the length of plastics tail plug is greater than the length of syringe needle mount pad, the rubber buffer mount pad includes the first spacing groove between the axial rod of the spacing bead of annular, the spacing bead of annular and push rod, the second spacing groove between the spacing bead of annular and the plastics tail plug.