CN214018782U - Chemotherapy medicine syringe for intravenous injection - Google Patents

Abstract

The utility model discloses a syringe for intravenous injection of chemotherapeutic drugs in the technical field of medical instruments, which comprises a syringe, wherein the right side of the syringe is fixed with an adjusting cylinder, the right end of the syringe is fixed with a partition plate, a rectangular hole is formed in the partition plate, a rack is limited by the sliding inside the rectangular hole, a rotating shaft is limited by the rotating inside the adjusting cylinder, a gear is sleeved at the middle part of the rotating shaft, the gear and the rack are meshed with each other, a rotating handle is fixed at the outer end of the rotating shaft, a piston is fixed at the left side of the rack, a needle head seat is connected at the left side of the syringe, a needle head is connected at the outer side of the needle head seat, a protective cover is sleeved at the outer side of the needle head, a snap ring is sleeved at the outer part of the right side of the protective cover, a through hole is formed in the left side of the protective cover, external threads are arranged at the left side of the protective cover, and a placing cylinder is arranged at the outer side of the protective cover; the utility model discloses a rotatory hand that changes drives the gear rotation, and the rack removes and drives piston motion, can outwards release the liquid medicine, can make even injection.

Description

Chemotherapy medicine syringe for intravenous injection

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to chemotherapy medicine cylinder is pushed in vein.

Background

Chemotherapy is a short term for chemotherapy, and achieves the purpose of treatment by killing cancer cells with chemotherapeutic drugs. Chemotherapy is one of the most effective means for treating cancer at present, and is also called three major treatment means of cancer together with surgery and radiotherapy. The medicine syringe is a common medical appliance in the chemotherapy treatment process.

Patent publication No. CN206167390U discloses a syringe for dispensing chemotherapeutic drugs, which comprises: a cylinder handle and a cylinder body; wherein, the lower end of the cylinder handle is provided with a connecting seat used for detachably connecting the cylinder body, and the upper part of the connecting seat in the cylinder handle is provided with a suction and blowing dual-purpose pump; the upper end of the cylinder body is provided with an opening and is connected with the connecting seat, the lower end of the cylinder body is provided with a needle seat and a needle head which are communicated with the liquid medicine, a piston is arranged in the cylinder body, and the piston is circumferentially sealed with the inner wall of the cylinder body and can freely slide along the axial direction of the cylinder body; the needle file includes: a needle seat head and a check valve; the needle seat head is arranged at the lower end of the needle seat through a flexible material, and the upper end of the needle seat is provided with a stop valve.

Although the above scheme realizes the preparation and injection of the chemotherapy drugs, the method still has the following defects: firstly, the above scheme adopts electric power to move the piston, so that although manpower is saved, the whole structure of the device is complex, electric power is wasted, and the device is inconvenient to use under the condition of no power supply; secondly, in the process that the chemotherapeutic drugs need to be configured in the static matching center and then are transported to each ward, the chemotherapeutic drugs leak when the piston core rod is pressed carelessly, so that pollution is caused, the drug dosage is reduced, and medical disputes can also occur.

Therefore, there is a need to design a syringe for intravenous bolus chemotherapy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chemotherapy medicine cylinder is injected to vein to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chemotherapy medicine syringe for intravenous injection comprises a syringe, wherein an adjusting barrel is fixed on the right side of the syringe, a partition plate is fixed on the right end of the syringe, a rectangular hole is formed in the partition plate, a plurality of balls are symmetrically and rotatably arranged on the upper side and the lower side of the rectangular hole, a rack is limited in the rectangular hole in a sliding manner, a rotating shaft is limited in the adjusting barrel in an internal rotating manner, a gear is sleeved in the middle of the rotating shaft and is meshed with the rack, a rotating handle is fixed at the outer end of the rotating shaft, a piston is fixed on the left side of the rack, a needle head seat is connected on the left side of the syringe, a needle head is connected on the outer side of the needle head seat, a protective cover is sleeved on the outer side of the needle head, a snap ring is sleeved on the outer side of the protective cover, a through hole is formed in the left side of the protective cover, external threads are arranged on the outer side of the protective cover, a placing barrel is arranged on the outer side of the protective cover, the inside of placing a section of thick bamboo is provided with the internal thread, place a section of thick bamboo and protection casing threaded connection, inside placed the rubber buffer.

Furthermore, in the syringe for intravenous injection of chemotherapeutic drugs, the through hole is circular.

Furthermore, in the syringe for intravenous injection of the chemotherapeutic drugs, the syringe is made of PP materials.

Furthermore, in the syringe for intravenous injection of chemotherapeutic drugs, an anti-slip rubber sleeve is sleeved outside the rotating hand.

Furthermore, in the syringe for intravenous injection of chemotherapeutic drugs, the needle head seat and the needle head are connected by threads.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a rotatory hand that changes drives the gear rotation, and the rack removes and drives piston motion, can outwards release the liquid medicine, can make even injection, avoids the people to cause injection volume error, convenient to use for quick promotion piston.

2. The utility model discloses a be provided with and place a section of thick bamboo, and be provided with the rubber buffer in the inside of placing a section of thick bamboo, through the inside that makes the syringe needle insert the rubber buffer, can prevent that the medicine from revealing, and when extracting the syringe needle, can not take the rubber buffer out, will place a section of thick bamboo and screw down, can change the rubber buffer, make the protection casing can cyclic utilization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is an enlarged schematic view of a point a in fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-syringe, 2-partition board, 3-rectangular hole, 4-ball, 5-rack, 6-rack, 7-rotating shaft, 8-rotating hand, 9-piston, 10-protective cover, 11-needle seat, 12-needle, 13-through hole, 14-snap ring, 15-regulating cylinder, 16-placing cylinder and 17-rubber plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a syringe for intravenous injection of chemotherapeutic drugs comprises a syringe 1, wherein the syringe 1 is made of PP materials. An adjusting cylinder 15 is fixed on the right side of the needle cylinder 1. The right-hand member of cylinder 1 is fixed with baffle 2, and rectangular hole 3 has been seted up to the inside of baffle 2, and the upper and lower lateral symmetry of rectangular hole 3 rotates and is provided with a plurality of balls 4, and the inside slip restriction of rectangular hole 3 has rack 5. The inside rotation restriction of adjusting a section of thick bamboo 15 has pivot 7, and the middle part cover of pivot 7 is equipped with gear 6, gear 6 and rack 5 intermeshing, and the outer end of pivot 7 is fixed with commentaries on classics hand 8, and the outside cover of commentaries on classics hand 8 is equipped with anti-skidding rubber sleeve. A piston 9 is fixed on the left side of the rack 5.

The left side of the syringe 1 is connected with a needle seat 11, the outer side of the needle seat 11 is connected with a needle 12, the needle seat 11 and the needle 12 are in threaded connection, and the connection mode is more stable. The outside cover of syringe needle 12 is equipped with protection casing 10, and the outside cover in right side of protection casing 10 is equipped with snap ring 14, and through-hole 13 has been seted up to the left side of protection casing 10, and through-hole 13 sets up to circular. The left side outside of protection casing 10 is provided with the external screw thread, and the outside of protection casing 10 is provided with places a section of thick bamboo 16, and the inside of placing a section of thick bamboo 16 is provided with the internal thread, places a section of thick bamboo 16 and protection casing 10 threaded connection. A rubber stopper 17 is placed inside the placing cylinder 16.

The working principle of the embodiment is as follows: when the novel syringe is used, the needle head 12 and the needle head seat 11 are in threaded connection, the needle head 12 can be rotated to be connected with the needle head seat 11, and the threaded connection mode is more stable. The placing cylinder 16 is rotated to be connected with the left side of the protective cover 10, after the placing cylinder 16 and the protective cover 10 are connected, the protective cover 10 is sleeved on the outer side of the needle 12, the left end of the needle 12 penetrates through the through hole 13, and the rubber plug 17 is inserted into the through hole. When injection is needed, the protective cover 10 is taken down, and the rubber plug 17 is replaced, so that the protective cover 10 can be recycled. The rotary hand 8 is rotated to drive the gear 6 to rotate, the rack 5 moves to push out the liquid medicine, the injection speed can be uniform, and the injection quantity error caused by human error is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A syringe for intravenous injection of chemotherapeutic drugs comprises a syringe (1) and is characterized in that: the right side of the needle cylinder (1) is fixed with an adjusting cylinder (15), the right end of the needle cylinder (1) is fixed with a partition plate (2), a rectangular hole (3) is formed in the partition plate (2), a plurality of balls (4) are symmetrically arranged on the upper side and the lower side of the rectangular hole (3) in a rotating mode, a rack (5) is limited in the sliding mode in the rectangular hole (3), a rotating shaft (7) is limited in the rotating mode in the adjusting cylinder (15), a gear (6) is sleeved in the middle of the rotating shaft (7), the gear (6) is meshed with the rack (5), a rotating handle (8) is fixed to the outer end of the rotating shaft (7), a piston (9) is fixed to the left side of the rack (5), the left side of the needle cylinder (1) is connected with a needle head seat (11), the outer side of the needle head seat (11) is connected with a needle head (12), and a, the outside cover in right side of protection casing (10) is equipped with snap ring (14), through-hole (13) have been seted up in the left side of protection casing (10), the left side outside of protection casing (10) is provided with the external screw thread, the outside of protection casing (10) is provided with places a section of thick bamboo (16), the inside of placing a section of thick bamboo (16) is provided with the internal thread, place a section of thick bamboo (16) and protection casing (10) threaded connection, the rubber buffer (17) have been placed to the inside of placing a section of thick bamboo (16).

2. A syringe for intravenous bolus chemotherapy of claim 1, wherein: the through hole (13) is circular.

3. A syringe for intravenous bolus chemotherapy of claim 1, wherein: the needle cylinder (1) is made of PP materials.

4. A syringe for intravenous bolus chemotherapy of claim 1, wherein: the outer side of the rotating hand (8) is sleeved with an anti-slip rubber sleeve.

5. A syringe for intravenous bolus chemotherapy of claim 1, wherein: the needle head seat (11) and the needle head (12) are in threaded connection.

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