Special dispensing device for intravenous administration center

Abstract

The utility model relates to the technical field of medical apparatus and instruments, and provides a dispensing device special for a static dispensing center, which comprises a dispensing assembly, the dispensing assembly comprises a dispensing tube, a dispensing cavity, a push rod, an auxiliary block, a top block and a plunger, the dispensing cavity is arranged in the dispensing tube, the push rod is arranged in the dispensing cavity, and the plunger is arranged in the dispensing cavity. The top end of the push rod extends out of the dispensing tube and is fixedly provided with a top block, and auxiliary blocks are fixed to the outer walls of the two sides of the top of the dispensing tube. By arranging the guide structure, when the push rod and the plunger are pulled upwards to take medicine, the through groove can play a role in limiting the guide rod and assist the push rod, so that the push rod can stably ascend or descend, and the situation that when liquid medicine is extracted or injected, the push rod deviates due to uneven force exerted by the hand, and use of the dispensing device is affected is avoided; the device has the function of conveniently and stably pushing and pulling the push rod and the plunger, and the stability and the working efficiency of the dispensing device special for the intravenous admixture center during use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, especially in a kind of dispensing center special dispensing device. BACKGROUND

[0002] Intravenous infusion is a common treatment in clinic, and it plays an irreplaceable role in the treatment of various diseases and the rehabilitation of patients. With the continuous progress of medical technology and the increasing clinical needs, the application range of intravenous infusion therapy is also expanding. Therefore, a dispensing center special dispensing device needs to be designed;

[0003] Therefore, a new dispensing center special dispensing device is disclosed in patent No. CN214679579U, which includes a dispensing cylinder and a self-sealing end cap. The self-sealing end cap is installed on the top of the dispensing cylinder. The self-sealing end cap is internally provided with an insertion port. The upper side of the self-sealing end cap is provided with a syringe barrel. The lower end of the syringe barrel is provided with a syringe needle. A new auxiliary mixing device is added inside the dispensing cylinder of the dispensing device. The new auxiliary mixing device is small in size and does not affect the normal dispensing operation of the dispensing cylinder. After multiple different medicine bottles are injected into the dispensing cylinder, the auxiliary mixing device can accelerate the mixing speed between the multiple medicines inside the dispensing cylinder after shaking the dispensing cylinder. At the same time, it can also make the mixing between the multiple medicines inside the dispensing cylinder more uniform. After the dispensing is completed, the mixed medicines are mixed more uniformly, which can increase the therapeutic effect of the medicines and thus increase the dispensing effect of the entire dispensing device.

[0004] Although the dispensing device in the above can facilitate the mixing of medicines during use, it is prone to be affected by manual operation during injection, causing the plunger to tilt and deviate, thereby affecting injection. Therefore, a dispensing center special dispensing device needs to be designed. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a dispensing center special dispensing device to solve the defects of the existing dispensing device, which is prone to be affected by manual operation during injection, causing the plunger to tilt and deviate, thereby affecting injection.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a dispensing center special dispensing device, which includes a dispensing assembly;

[0007] The dispensing assembly includes a dispensing pipe, a dispensing cavity, a push rod, an auxiliary block, a top block and a plunger. The inside of the dispensing pipe is provided with a dispensing cavity. The inside of the dispensing cavity is provided with a push rod. The top end of the push rod extends to the outside of the dispensing pipe and is fixed with a top block. The outer wall of both sides of the top of the dispensing pipe is fixed with an auxiliary block. The bottom end of the push rod is fixed with a plunger.

[0008] The guiding structure is arranged on both sides of the inside of the dispensing tube, and comprises a through slot, a guiding rod and a positioning block.

[0009] The bottom end of the push rod is fixed with a protection structure, and the bottom end of the dispensing tube is fixed with a medicine taking structure.

[0010] Further, the top of the top block of the auxiliary block is provided with an arc-shaped groove, and the outer side wall of the plunger and the inner side wall of the dispensing tube are in mutual abutment.

[0011] Further, the guiding rods are symmetrically distributed on both sides of the dispensing tube, the top end of the guiding rod extends to the outside of the dispensing tube and is fixedly connected with the bottom end of the top block, and the main view section of the positioning block is designed in a semicircular shape.

[0012] Further, the protection structure comprises an adhesive layer, a bacteriostatic layer and a second protection layer, the adhesive layer is fixed to the bottom end of the push rod, the bottom end of the adhesive layer is fixed with the bacteriostatic layer, and the bottom end of the bacteriostatic layer is fixed with the second protection layer.

[0013] Further, the inside of the bacteriostatic layer is provided with nano-silver material, and the second protection layer is a butyl rubber layer.

[0014] Further, the medicine taking structure comprises a fixed column, a connecting sleeve and a medicine taking needle, the fixed column is fixed to the bottom end of the dispensing tube, the outer side of the fixed column is provided with the connecting sleeve, and the inner wall of the bottom of the connecting sleeve is fixed with the medicine taking needle.

[0015] Further, the fixed column and the connecting sleeve are connected in an interference fit, and the bottom of the medicine taking needle is designed in an inclined manner.

[0016] The dispensing device for the static dispensing center has the advantages that:

[0017] When the push rod and the plunger are pulled upward for taking medicine, the through slot can limit the guiding rod and assist the push rod, so that the push rod can stably rise or fall, the deviation of the push rod caused by uneven force of the hand during the extraction or injection of the medicine liquid is avoided, the use of the dispensing device is affected, the device has the function of conveniently and stably pushing and pulling the push rod and the plunger, and the stability and working efficiency of the dispensing device for the static dispensing center during use are improved.

[0018] By setting up the protection structure, the inside of the bacteriostatic layer is provided with nano-silver material, which has broad-spectrum antibacterial performance and can effectively inhibit the growth of various bacteria, the second protective layer is a butadiene rubber layer, which has excellent properties such as acid and alkali resistance, oil resistance, wear resistance and the like, so that the device has the functions of bacteriostasis and wear and corrosion resistance, and the service life of the special dispensing device for the static dispensing center is improved.

[0019] By setting up the medicine taking structure, the tip portion at the bottom of the medicine taking needle can be used to facilitate the insertion of the medicine taking needle into the inside of the medicine liquid to be extracted, and then the plunger is pulled upward to take the liquid, so that the device has the function of facilitating the taking of the medicine liquid, and the convenience of the special dispensing device for the static dispensing center in use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is an overall three-dimensional structure schematic diagram of the utility model;

[0021] Figure 2 It is an overall three-dimensional structure schematic diagram of the utility model;

[0022] Figure 3 It is a front view cross-sectional structure schematic diagram of the utility model;

[0023] Figure 4 It is a front view cross-sectional three-dimensional structure schematic diagram of the utility model;

[0024] Figure 5 It is a Figure 4 It is an enlarged structure schematic diagram of the middle A;

[0025] Figure 6 It is a side view cross-sectional three-dimensional structure schematic diagram of the utility model.

[0026] The reference signs in the drawing are explained as follows: 1, dispensing assembly; 11, dispensing pipe; 12, dispensing cavity; 13, push rod; 14, auxiliary block; 15, top block; 16, plunger; 2, guide structure; 21, through slot; 22, guide rod; 23, positioning block; 3, protection structure; 31, adhesive layer; 32, bacteriostatic layer; 33, second protective layer; 4, medicine taking structure; 41, fixing column; 42, connecting sleeve; 43, medicine taking needle. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer toFigures 1-6 The utility model provides a kind of dispensing center special dispensing device provided in the utility model, including dispensing assembly 1.

[0029] Refer to Figures 1-6 , dispensing assembly 1 includes dispensing pipe 11, dispensing cavity 12, push rod 13, auxiliary block 14, top block 15 and plunger 16, the inside of dispensing pipe 11 is opened with dispensing cavity 12, dispensing cavity 12 is provided with push rod 13, the top end of push rod 13 extends to the outside of dispensing pipe 11 and is fixed with top block 15, the outer wall on both sides of the top of dispensing pipe 11 is fixed with auxiliary block 14, the bottom end of push rod 13 is fixed with plunger 16, the bottom of auxiliary block 14 and the top of top block 15 are all opened with arc slot, the outside wall of plunger 16 and the inside wall of dispensing pipe 11 are mutually resistant, both sides in the inside of dispensing pipe 11 are provided with guide structure 2, guide structure 2 includes through slot 21, guide rod 22 and locating block 23, through slot 21 is all opened in both sides in the inside of dispensing pipe 11, the inside of through slot 21 is all provided with guide rod 22, the bottom end of guide rod 22 is all fixed with locating block 23, guide rod 22 is symmetrically distributed on both sides of dispensing pipe 11, the top end of guide rod 22 is all extended to the outside of dispensing pipe 11 and is fixedly connected with the bottom end of top block 15, the main view section of locating block 23 is designed as semicircle.

[0030] When pulling push rod 13 and plunger 16 upwards to take medicine, guide rod 22 moves upwards in through slot 21 at the same time, through slot 21 can limit guide rod 22, auxiliary push rod 13, so that push rod 13 can stably rise or fall, avoid deviation of push rod 13 due to uneven force of hand when extracting liquid medicine or injecting liquid medicine, affect the use of dispensing device.

[0031] Refer to Figures 2-5 , the bottom end of push rod 13 is fixed with protection structure 3, protection structure 3 includes adhesive layer 31, bacteriostatic layer 32 and second protective layer 33, adhesive layer 31 is fixed to the bottom end of push rod 13, the bottom end of adhesive layer 31 is fixed with bacteriostatic layer 32, the bottom end of bacteriostatic layer 32 is fixed with second protective layer 33, the inside of bacteriostatic layer 32 is provided with nano silver material, and the second protective layer 33 is a butyl rubber layer.

[0032] The inside of bacteriostatic layer 32 is provided with nano silver material, has broad-spectrum antibacterial performance, can effectively inhibit the growth of a variety of bacteria, by embedding nano silver particles into the inside of bacteriostatic layer 32, can give bacteriostatic layer 32 persistent antibacterial performance, and the second protective layer 33 is a butyl rubber layer, has excellent properties such as acid and alkali resistance, oil resistance, wear resistance.

[0033] Refer to Figures 1-6The bottom end of the dispensing pipe 11 is fixed with a medicine taking structure 4, which comprises a fixing column 41, a connecting sleeve 42 and a medicine taking needle 43.

[0034] The tip portion of the bottom end of the medicine taking needle 43 can be used to facilitate the insertion of the medicine taking needle 43 into the inside of the medicine liquid to be extracted, and then the plunger 16 is pulled upward, so that the liquid can be taken.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A special dispensing device for static compounding centers, comprising a dispensing component (1); Its features are: The drug dispensing assembly (1) includes a drug dispensing tube (11), a drug dispensing chamber (12), a push rod (13), an auxiliary block (14), a top block (15), and a plunger (16). The drug dispensing tube (11) has a drug dispensing chamber (12) inside. The push rod (13) is installed inside the drug dispensing chamber (12). The top end of the push rod (13) extends to the outside of the drug dispensing tube (11) and is fixed with a top block (15). The auxiliary blocks (14) are fixed on the outer walls on both sides of the top of the drug dispensing tube (11). The plunger (16) is fixed at the bottom end of the push rod (13). The inside of the medicine dispensing tube (11) is provided with guide structures (2) on both sides. The guide structure (2) includes a through groove (21), a guide rod (22) and a positioning block (23). The through groove (21) is opened on both sides inside the medicine dispensing tube (11). The inside of the through groove (21) is provided with a guide rod (22). The bottom end of the guide rod (22) is fixed with a positioning block (23). The bottom end of the push rod (13) is fixed with a protective structure (3), and the bottom end of the dispensing tube (11) is fixed with a medicine dispensing structure (4).

2. The special dispensing device for static compounding centers according to claim 1, characterized in that: The bottom box of the auxiliary block (14) and the top of the top box (15) are both provided with arc-shaped grooves, and the outer side wall of the plunger (16) and the inner side wall of the dispensing tube (11) abut against each other.

3. The special dispensing device for static compounding centers according to claim 1, characterized in that: The guide rods (22) are symmetrically distributed on both sides of the dispensing tube (11). The top of each guide rod (22) extends to the outside of the dispensing tube (11) and is fixedly connected to the bottom of the top block (15). The main view section of the positioning block (23) is semi-circular.

4. A special dispensing device for static compounding centers according to claim 1, characterized in that: The protective structure (3) includes an adhesive layer (31), an antibacterial layer (32), and a second protective layer (33). The adhesive layer (31) is fixed to the bottom end of the push rod (13). The antibacterial layer (32) is fixed to the bottom end of the adhesive layer (31), and the second protective layer (33) is fixed to the bottom end of the antibacterial layer (32).

5. A special dispensing device for static compounding centers according to claim 4, characterized in that: The antibacterial layer (32) is provided with nano-silver material, and the second protective layer (33) is a styrene-butadiene rubber layer.

6. A special dispensing device for static compounding centers according to claim 1, characterized in that: The drug dispensing structure (4) includes a fixed column (41), a connecting sleeve (42), and a drug dispensing needle (43). The fixed column (41) is fixed to the bottom end of the drug dispensing tube (11). The connecting sleeve (42) is provided on the outside of the fixed column (41). The drug dispensing needle (43) is fixed on the inner wall of the bottom of the connecting sleeve (42).

7. A special dispensing device for static compounding centers according to claim 6, characterized in that: The fixing post (41) and the connecting sleeve (42) are connected by an interference fit, and the bottom of the dispensing needle (43) is designed to be inclined.

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