CN110882435A

CN110882435A - Syringe support

Info

Publication number: CN110882435A
Application number: CN201911110704.3A
Authority: CN
Inventors: 丁后璧
Original assignee: Xuzhou Shenfeng Precision Machinery Co Ltd
Current assignee: Xuzhou Shenfeng Precision Machinery Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-03-17

Abstract

The invention discloses an injector bracket which comprises a fixing device and a speed change device arranged in the fixing device, wherein the fixing device comprises a shell and a fixing ring, the shell is internally provided with a through cavity, the fixing ring is arranged on the surface of the shell, the speed change device comprises two symmetrically arranged guide rails which are respectively connected with a first mounting groove in a sliding manner, and a transmission gear set arranged between the two guide rails, and the transmission gear set comprises a first gear, an idler gear and a second gear. The invention enables medical care personnel to control the injection rate of the large-capacity injector through the speed changing device, avoids the situation that the small-capacity injector is replaced for many times to inject liquid medicine to a patient, reduces the pain of the patient, simplifies the operation and reduces the use cost of the injector.

Description

Syringe support

Technical Field

The invention relates to an injector bracket, and belongs to the technical field of injectors.

Background

Syringes are a common medical device. As early as the 15 th century, kathler, italian, proposed the principle of the syringe. Primarily with a needle to withdraw or inject gas or liquid, syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. There is a problem in using a syringe in clinical medicine, for example: when a patient needs to inject 20ml of liquid medicine, the liquid medicine needs to be extracted from a liquid medicine bottle for many times by using a syringe with the specification of 5ml or even 1ml for injection into the body of the patient, because the syringe with the large capacity specification cannot be directly pricked if the needle head of the syringe with the specification of 20ml is too thick, the syringe with the specification of 20ml is difficult to realize fine operation, the injection speed is too high, and the patient cannot be suffered by the syringe with the specification of 20 ml. Therefore, the defects of injector waste caused by multiple injections and poor experience caused by multiple pricks of patients exist.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the syringe bracket, which enables medical staff to control the injection rate of a large-capacity syringe through a speed change device, avoids the situation that a small-capacity syringe is replaced for many times to inject liquid medicine to a patient, reduces the pain of the patient, simplifies the operation and reduces the use cost of the syringe.

In order to achieve the purpose, the injector bracket comprises a fixing device and a speed change device arranged inside the fixing device, wherein the fixing device comprises a shell and a fixing ring, the inside of the shell is provided with a through cavity, the fixing ring is arranged on the surface of the shell, the outer wall of the shell is provided with two first mounting grooves which are parallel and penetrate through the outer wall, the open end of the fixing ring is in butt joint with one first mounting groove, the speed change device comprises two symmetrically arranged guide rails which are respectively in sliding connection with the first mounting grooves and a transmission gear set arranged between the two guide rails, one end of each guide rail is provided with a baffle, one side of each guide rail is provided with a rack, the transmission gear set is rotatably arranged on the inner wall of the shell and comprises a first gear, an idler gear meshed with the first gear and a second gear meshed with the idler gear, and the first gear and the second gear are respectively meshed with the guide rails, the diameter of first gear is greater than the diameter of second gear, solid fixed ring installs on the first mounting groove with the guide rail place of second gear meshing, offer the mounting groove that is used for holding the idler on the inner wall of casing, the installation axle of idler passes the antetheca and the diapire of casing.

Preferably, two guide rail grooves are formed in the bottom wall of the shell, and the guide rails are slidably mounted in the guide rail grooves.

Preferably, a plurality of gears in the transmission gear set are installed on the bottom wall of the shell in a staggered mode.

Preferably, the side edge of the shell is provided with an anti-skid line.

Preferably, the two sides of the baffle are provided with anti-skid lines.

Preferably, the bottom wall and the outer wall of the shell are fixedly connected through a plurality of connecting rods.

Compared with the prior art, the invention has the beneficial effects that: the medical staff can control the injection speed of the large-capacity injector through the speed changing device, the situation that the small-capacity injector is replaced for many times to inject liquid medicine to a patient is avoided, the pain of the patient is reduced, the operation is simplified, and the use cost of the injector is also reduced.

Drawings

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

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the transmission of the present invention;

FIG. 4 is a front elevational view of the transmission of the present invention;

fig. 5 is a bottom view of the transmission of the present invention.

In the figure: 1. the device comprises a fixing device, 1-1 parts of a shell, 1-2 parts of a fixing ring, 1-3 parts of a first mounting groove, 2 parts of an injector, 3 parts of a guide rail, 3-1 parts of a baffle, 4 parts of a transmission gear set, 4-1 parts of a first gear, 4-2 parts of a second gear, 4-3 parts of an idler gear.

Detailed Description

The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, an injector support provided by an embodiment of the present invention includes a fixing device 1 and a speed changing device disposed inside the fixing device 1, where the fixing device 1 includes a housing 1-1 having a through cavity disposed therein and a fixing ring 1-2 disposed on a surface of the housing 1-1, the outer wall of the housing 1-1 is provided with two first mounting grooves 1-3 parallel to and through the outer wall, an open end of the fixing ring 1-2 is fixed to one of the first mounting grooves 1-3 in a butt joint manner, the speed changing device includes two symmetrically disposed guide rails 3 connected to the first mounting grooves 1-3 in a sliding manner and a transmission gear set 4 disposed between the two guide rails 3, one end of the guide rail 3 is provided with a baffle 3-1, one side of the guide rail 3 is provided with a rack, the transmission gear set 4 is rotatably installed on the inner wall of the shell 1-1, the transmission gear set 4 comprises a first gear 4-1, an idler gear 4-3 meshed with the first gear and a second gear 4-2 meshed with the idler gear, the first gear 4-1 and the second gear 4-2 are respectively meshed with the guide rail 3, the diameter of the first gear 4-1 is larger than that of the second gear 4-2, the fixing ring 1-2 is installed on the first installation groove 1-3 where the guide rail 3 meshed with the second gear 4-2 is located, an installation groove for accommodating the idler gear 4-3 is formed in the inner wall of the shell 1-1, and an installation shaft of the idler gear 4-2 penetrates through the front wall and the bottom wall of the shell 1-1.

Preferably, two guide rail grooves are formed in the bottom wall of the shell 1-1, and the guide rail 3 is slidably mounted in the guide rail grooves.

Preferably, a plurality of gears in the transmission gear set 4 are arranged on the bottom wall of the shell 1-1 in a staggered mode.

Preferably, the side edge of the shell 1-1 is provided with an anti-skid line.

Preferably, the two surfaces of the baffle 3-1 are provided with anti-skid grains.

Preferably, the bottom wall and the outer wall of the shell 1-1 are fixedly connected through a plurality of connecting rods.

The working process is as follows: the syringe 2 which absorbs the liquid medicine is inserted into the fixing ring 1-2 after the needle head is replaced, at the moment, the baffle 3-1 on one guide rail 3 is propped against the push rod at the tail part of the syringe 2, and medical staff holds the bottom wall of the shell 1 with palm and fingers to respectively press the side walls at the two sides of the shell 1 to prick the needle head. At the moment, the baffle 3-1 of the other guide rail 3 is pressed to drive the transmission gear set 4 meshed with the baffle, so that the push rod is driven to move towards the inside of the injector to inject liquid medicine, the speeds of the guide rails 3 on the two sides are different under the speed change action of the transmission gear set 4, and the accurate injection operation of the large-capacity injector is realized. When the injection needs to be continued, the transmission shaft of the idle gear 4-3 is pressed to be separated from the first gear 4-1 and the second gear 4-2 to be meshed, at the moment, the guide rail 3 meshed with the first gear 4-1 can be drawn back, the idle gear 4-3 is pressed back, and the operation is repeated, so that the liquid medicine can be continuously injected.

In conclusion, the medical care personnel can control the injection rate of the large-capacity injector through the speed changing device, the situation that the small-capacity injector 2 is replaced for many times to inject liquid medicine to a patient is avoided, the pain of the patient is reduced, the operation is simplified, and the use cost of the injector 2 is also reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. The syringe support is characterized by comprising a fixing device (1) and a speed change device arranged inside the fixing device (1), wherein the fixing device (1) comprises a shell (1-1) and a fixing ring (1-2), the shell (1-1) is internally provided with a through cavity, the fixing ring (1-2) is arranged on the surface of the shell (1-1), the outer wall of the shell (1-1) is provided with two first mounting grooves (1-3) which are parallel and penetrate through the outer wall, the open end of the fixing ring (1-2) is fixedly butted on one of the first mounting grooves (1-3), the speed change device comprises two symmetrically arranged guide rails (3) which are respectively connected with the first mounting grooves (1-3) in a sliding manner and a transmission gear set (4) arranged between the two guide rails (3), one end of each guide rail (3) is provided with a baffle (3-1), one side of the guide rail (3) is provided with a rack, the transmission gear set (4) is rotatably installed on the inner wall of the shell (1-1), the transmission gear set (4) comprises a first gear (4-1), an idler gear (4-3) meshed with the first gear and a second gear (4-2) meshed with the idler gear, the first gear (4-1) and the second gear (4-2) are respectively meshed with the guide rail (3), the diameter of the first gear (4-1) is larger than that of the second gear (4-2), the fixing ring (1-2) is installed on the first installation groove (1-3) where the guide rail (3) meshed with the second gear (4-2) is located, the inner wall of the shell (1-1) is provided with an installation groove for accommodating the idler gear (4-3), the mounting shafts of the idle wheels (4-3) penetrate through the front wall and the bottom wall of the shell (1-1).

2. Syringe support according to claim 1, characterized in that the bottom wall of the shell (1-1) is equipped with two guide grooves in which the guide (3) is slidably mounted.

3. A syringe support according to claim 1, characterized in that several gears in the drive gear set (4) are mounted in a staggered manner on the bottom wall of the housing (1-1).

4. Syringe holder according to claim 1, in which the side of the housing (1-1) is provided with non-slip threads.

5. A syringe holder according to claim 1, characterized in that the baffle (3-1) is provided with anti-slip threads on both sides.

6. A syringe support according to claim 1, characterized in that the bottom wall and the outer wall of the housing (1-1) are fixedly connected by means of a number of connecting rods.