CN216725420U - Syringe for anesthesia department - Google Patents

Abstract

The utility model discloses an injector for anesthesia department, which comprises an injector, a sliding disc, a piston rod, a limiting plate and a limiting plate, wherein the injector is of a cylindrical structure, the outer edge surface of the injector is provided with the sliding disc which is in sliding fit with the injector, one side of the sliding disc is symmetrically provided with two first threaded rods, two connecting lugs are symmetrically constructed at one end of the injector opposite to the end provided with the sliding disc, the two connecting lugs are respectively provided with an opening matched with the first threaded rods, first linkage blocks are respectively arranged in the two openings, the injector is internally inserted and provided with the piston rod matched with the two first linkage blocks, a connecting pipe is constructed at the central position of one end of the injector opposite to the connecting lugs, an injection needle is inserted and installed at the central position of the connecting pipe, the connecting pipe is provided with an opening matched with the injection needle, and the injector for anesthesia department is characterized in that, the piston rod can not fall off, and the needle head is not easy to fall off.

Description

Syringe for anesthesia department

Technical Field

The utility model belongs to the technical field of syringes, and particularly relates to a syringe for an anesthesia department.

Background

The injector is a common medical appliance, mainly uses a needle to extract or inject gas or liquid, and can also be used for medical equipment, containers and scientific instruments such as those in chromatography to inject through a rubber diaphragm, the injector consists of a syringe with a small hole at the front end and a matched piston core rod and is used for injecting a small amount of liquid or injecting the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, the liquid or the gas is sucked from the small hole at the front end of the syringe when the core rod is extracted, and the liquid or the gas is extruded when the core rod is pushed.

The piston rod of the existing syringe for the anesthesia department can fall off from the syringe when force is improperly applied, so that liquid medicine is lost and waste is caused; in addition, in the existing injector for the anesthesia department, when a patient struggles, the injection needle is easy to fall off.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an injector for anesthesia department, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a syringe for department of anesthesia, includes syringe, sliding tray, piston rod, limiting plate and limiting plate, the syringe is cylindrical structure, the syringe outer fringe face install with syringe sliding fit's sliding tray, a lateral symmetry of sliding tray is provided with two first threaded rods, the syringe just has two engaging lugs to the one end symmetrical construction who installs sliding tray, two the opening of the first threaded rod of adaptation all seted up in the engaging lug, two all be provided with first linkage piece in the opening, syringe internal grafting install with two first linkage piece complex piston rods, the syringe just constructs the connecting pipe to the one end central point of engaging lug puts, the central point of connecting pipe puts the grafting and installs the syringe needle, set up the opening of adaptation syringe needle on the connecting pipe.

Preferably, the piston rod includes the second threaded rod, the one end of second threaded rod is constructed there is the second threaded rod, the fixture block is installed to the other end of second threaded rod, the syringe is kept away from one side of connecting pipe and is installed and link the piece with second threaded rod complex second, second link piece outer fringe face be provided with first linkage piece complex gear.

Preferably, the syringe needle includes the connecting block, the trompil has been seted up in the connecting block, the connecting pipe is constructed the transfer line that has the adaptation trompil with the connecting point of syringe needle, the one end that the trompil was kept away from to the connecting block is installed the needle tubing.

Preferably, one side of the connecting pipe, which is far away from the connecting lug, is provided with a limiting plate, a connecting bolt is constructed at the connecting position of the connecting pipe and the limiting plate, a linkage block matched with the connecting bolt is arranged in the limiting plate, one end of the limiting plate, which is far away from the connecting bolt, is provided with a magnetic block, and a limiting column matched with the magnetic block is constructed on the connecting pipe.

Preferably, the outer edge surface of the syringe is provided with a scale plate, and the scale plate is embedded in the connecting pipe.

The utility model has the technical effects and advantages that: according to the injector for the anesthesia department, the sliding disc is pulled to drive the two first threaded rods to move through the sliding disc arranged on the outer edge surface of the injector, the first bearing arranged in the connecting lug on the injector drives the gear arranged in the injector, and then the gear drives the second bearing to rotate, so that the piston rod moves towards the connecting pipe arranged on one side of the injector to finish the injection of anesthetic, the piston rod only moves inwards by pulling the sliding disc, the piston rod cannot fall off from the injector, and the liquid medicine cannot run off; through pressing the rotatable limiting plate on the connecting pipe, when syringe needle inserts in the connecting pipe, can restrict syringe needle and drop, syringe needle drops when avoiding patient to struggle and causes the waste.

Drawings

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

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B in accordance with the present invention;

FIG. 4 is a cross-sectional view of a piston rod of the present invention;

fig. 5 is a cross-sectional view of the injection needle of the present invention.

In the figure: the injection device comprises an injector 1, a connecting pipe 101, a connecting lug 102, an opening 103, a connecting bolt 104, a scale plate 105, a sliding disc 2, a first threaded rod 201, a first linkage block 202, a piston rod 3, a second threaded rod 301, a clamping block 302, a piston head 303, a second linkage block 304, a gear 305, a needle head 4, a connecting block 401, an opening 402, a needle tube 403, a limiting plate 5, a magnetic block 501 and a limiting column 502.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides an injector for anesthesia department as shown in figures 1-5, which comprises an injector 1, a sliding disc 2, a piston rod 3, a limiting plate 5 and a limiting plate 5, wherein the injector 1 is of a cylindrical structure, the outer edge surface of the injector 1 is provided with the sliding disc 2 which is in sliding fit with the injector 1, one side of the sliding disc 2 is symmetrically provided with two first threaded rods 201, one end of the injector 1, which is opposite to the end provided with the sliding disc 2, is symmetrically provided with two connecting lugs 102, the two connecting lugs 102 are respectively provided with an opening 103 which is matched with the first threaded rods 201, the two openings 103 are respectively provided with a first linkage block 202, the surface threads of the two first threaded rods 201 are opposite, when the first threaded rods 201 move, the rotating directions of the two first linkage blocks 202 are opposite, an opposite force is provided for a second linkage block 304, the piston rod 3 which is matched with the two first linkage blocks 202 is inserted and installed in the injector 1, the central position of one end of the injector 1, which is opposite to the connecting lug 102, is provided with a connecting pipe 101, the central position of the connecting pipe 101 is provided with an injection needle 4 in an inserting manner, and the connecting pipe 101 is provided with an opening matched with the injection needle 4.

Specifically, the piston rod 3 includes a second threaded rod 301, a second threaded rod 301 is configured at one end of the second threaded rod 301, a fixture block 302 is installed at the other end of the second threaded rod 301, a second linkage block 304 matched with the second threaded rod 301 is installed on one side of the injector 1 away from the connecting tube 101, a thread adapted to the second threaded rod 301 is configured in the second linkage block 304, a gear 305 matched with the first linkage block 202 is arranged on an outer edge surface of the second linkage block 304, and when the sliding disc 2 moves away from the needle tube 403, the piston rod 3 moves towards the injection needle 4 through cooperation of the first threaded rod 201, the first linkage block 202, the second threaded rod 301, the second linkage block 304 and the gear 305, so as to complete injection.

Specifically, the injection needle 4 comprises a connecting block 401, an opening 402 is formed in the connecting block 401, an infusion tube matched with the opening 402 is configured at the connecting part of the connecting tube 101 and the injection needle 4, and a needle tube 403 is installed at one end, far away from the opening 402, of the connecting block 401.

Specifically, limiting plate 5 is installed to one side that engaging lug 102 was kept away from to connecting pipe 101, connecting pipe 101 is constructed with connecting pin 104 with the position of being connected of limiting plate 5, be provided with in the limiting plate 5 with connecting pin 104 complex linkage block, the magnetic path 501 is installed to the one end that connecting pin 104 was kept away from to limiting plate 5, construct the spacing post 502 that has adaptation magnetic path 501 on the connecting pipe 101, during the concrete implementation, when magnetic path 501 adsorbs with spacing post 502, limiting plate 5 restriction connecting block 401 removed, prevents that syringe needle 4 from droing.

Specifically, the outer edge surface of the syringe 1 is provided with a scale plate 105, the unit of the scale plate 5 is milliliter, and the scale plate 105 is embedded in the connecting pipe 101.

Working principle, this department of anesthesia uses syringe, when using, rotate limiting plate 5 and open, then put into the opening part of connecting pipe 101 with syringe needle 4, then rotate magnetic path 501 to on spacing post 502, restriction syringe needle 4 removes, then insert needle 403 in the anesthetic medicine bottle, promote slide plate 2 towards syringe needle 4, drive second bearing 304 through first bearing 202, it accomplishes the extraction of anesthetic to drive piston rod 3 towards the direction removal of keeping away from syringe needle 4 by second bearing 304, then when injecting into the patient, pulling slide plate 2, make slide plate 2 towards the direction removal of keeping away from syringe needle 4, drive piston rod 3 by second bearing 304, make piston rod 3 move towards syringe needle 4, accomplish the injection, this department of anesthesia uses syringe, can not make the piston rod drop, and the syringe needle is also difficult for dropping.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (5)

1. An injector for anesthesia department comprises an injector (1), a sliding disc (2), a piston rod (3), a limiting plate (5) and a limiting plate (5);

the method is characterized in that: the injection device is characterized in that the injector (1) is of a cylindrical structure, a sliding disc (2) which is in sliding fit with the injector (1) is installed on the outer edge surface of the injector (1), two first threaded rods (201) are symmetrically arranged on one side of the sliding disc (2), two connecting lugs (102) are symmetrically constructed at one end, right opposite to the end where the sliding disc (2) is installed, of the injector (1), openings (103) matched with the first threaded rods (201) are formed in the two connecting lugs (102), first linkage blocks (202) are arranged in the two openings (103), and piston rods (3) matched with the two first linkage blocks (202) are inserted and installed in the injector (1);

the syringe (1) is just to be constructed with connecting pipe (101) to the one end central point of engaging lug (102), the central point of connecting pipe (101) puts and pegs graft and installs syringe needle (4), set up the opening of adaptation syringe needle (4) on connecting pipe (101).

2. The syringe for anesthesia department as set forth in claim 1, wherein: piston rod (3) include second threaded rod (301), the one end of second threaded rod (301) is constructed second threaded rod (301), fixture block (302) are installed to the other end of second threaded rod (301), syringe (1) is kept away from one side of connecting pipe (101) and is installed and link piece (304) with second threaded rod (301) complex, second link piece (304) outer fringe face be provided with first link piece (202) complex gear (305).

3. The syringe for anesthesia department as set forth in claim 1, wherein: injection needle (4) are including connecting block (401), trompil (402) have been seted up in connecting block (401), the connecting portion of connecting pipe (101) and injection needle (4) is constructed the transfer line that has adaptation trompil (402), needle tubing (403) are installed to the one end that trompil (402) were kept away from in connecting block (401).

4. The syringe for anesthesia department as set forth in claim 1, wherein: limiting plate (5) are installed to one side that engaging lug (102) were kept away from in connecting pipe (101), connecting pipe (101) are constructed with the position of being connected of limiting plate (5) and are had connecting bolt (104), be provided with in limiting plate (5) with connecting bolt (104) complex linkage block, limiting plate (5) are kept away from the one end of connecting bolt (104) and are installed magnetic path (501), construct spacing post (502) that have adaptation magnetic path (501) on connecting pipe (101).

5. The syringe for anesthesia department as set forth in claim 1, wherein: the outer fringe face of syringe (1) is installed scale plate (105), scale plate (105) gomphosis is installed in connecting pipe (101).

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