CN210355556U

CN210355556U - Injection device capable of controlling anesthetic dose

Info

Publication number: CN210355556U
Application number: CN201920149212.4U
Authority: CN
Inventors: 牛宝家
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-04-21
Anticipated expiration: 2029-01-29

Abstract

The utility model discloses an injection device capable of controlling the amount of anesthetic, a piston is sleeved in an inner cavity of a tube shell, a transparent connecting column is fixedly connected to the upper end of the piston, a distance adjusting device is installed in the inner cavity of the transparent connecting column and comprises an octagonal hole and a scale mark, an octagonal moving block is sleeved in the inner cavity of the octagonal hole, a threaded hole is formed in the middle of the octagonal moving block, a lead screw in threaded connection with the threaded hole is sleeved in the inner cavity of the octagonal hole, four sliding grooves are uniformly penetrated in the inner cavity of the octagonal hole, a sliding block is slidably installed on the inner side walls of the four sliding grooves, and the inner end of the sliding block is in limit clamping connection with the octagonal moving block. Compared with a syringe, the utility model has the advantages of convenient use.

Description

Injection device capable of controlling anesthetic dose

Technical Field

The utility model relates to an injection device technical field specifically is an injection device of steerable anesthesia dose.

Background

In order to relieve pain of a patient during operation in a hospital, anesthesia treatment is often required to be carried out on the patient, at present, when the patient is anesthetized, an anesthetic is usually injected into the body of the patient by using a syringe, but when the patient is anesthetized, the anesthetic needs to be injected in a quantitative and intermittent manner, and when the patient is injected by using the syringe, a doctor needs to control the dosage by observing scales on the syringe, so that the mode is very troublesome to use, and the dosage is very unstable to control, and therefore, an injection device capable of controlling the dosage of the anesthetic is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection device of steerable anesthesia dose to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection device capable of controlling the amount of anesthetic comprises a tube shell, wherein a piston is sleeved in an inner cavity of the tube shell, the upper end of the piston is fixedly connected with a transparent connecting column, a distance adjusting device is installed in the inner cavity of the transparent connecting column, and a needle head is sleeved at the lower end of the tube shell;

the distance adjusting device comprises an octagonal hole and scale marks, the octagonal hole is arranged in an inner cavity of the transparent connecting column, the scale marks are arranged on a lateral wall of the connecting column, an octagonal moving block is sleeved in the inner cavity of the octagonal hole, a threaded hole is formed in the middle of the octagonal moving block, a lead screw connected with the threaded hole is sleeved in the inner cavity of the octagonal hole, the lower end of the lead screw is connected with the inner cavity lower end of the transparent connecting column in a rotating mode, a rotating block is installed at the upper end of the lead screw, four sliding grooves are uniformly formed in the inner cavity of the octagonal hole in a penetrating mode, four sliding blocks are arranged on the inner side wall of each sliding groove in a sliding mode, the inner end of each sliding block is connected with the inner side wall of the corresponding.

Preferably, the upper end of the outer side wall of the pipe shell is fixedly connected with a traction block, and the bottom surface of the traction block is provided with an anti-slip groove.

Preferably, the upper end of the transparent connecting column is fixedly provided with a rubber mat.

Preferably, the bottom surface middle part of turning block offers the groove of cup jointing mutually with the upper end of spliced pole, the middle part fixed mounting in groove of cup jointing has the device of stepping down, the inner chamber upper end in groove of cup jointing offers the toper salient point of extrudeing mutually with the cushion.

Preferably, the device of stepping down includes the connecting pipe, the inner chamber lower extreme relatively fixed mounting of connecting pipe and the slider of stepping down, and the connecting pipe cup joints with the upper end of lead screw mutually, the lateral wall sliding connection of the slider of stepping down has the spout of stepping down of seting up in the lead screw lateral wall upper end.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an injection device of steerable anesthesia dose, the utility model discloses a apart from adjusting device's use, through the spacing cooperation of the octagon movable block in the distance adjusting device and slider, press the distance to transparent spliced pole and carry on spacingly to realized stable control injection dose, compare convenient to use's function for the syringe.

Drawings

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

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A' of FIG. 1 in accordance with the present invention;

fig. 4 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: the device comprises a pipe shell 1, a piston 2, a transparent connecting column 3, a distance adjusting device 4, an octagonal hole 41, a scale mark 42, an octagonal moving block 43, a threaded hole 44, a screw rod 45, a rotating block 46, a sliding groove 47, a sliding block 48, a needle head 5, a traction block 6, an antiskid groove 7, a rubber pad 8, a sleeving groove 9, a abdicating device 10, a connecting pipe 101, an abdicating sliding block 102, an abdicating sliding groove 103, a spring 104 and a conical protruding point 11.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an injection device capable of controlling the amount of anesthetic comprises a tube shell 1, wherein a piston 2 is sleeved in an inner cavity of the tube shell 1, the upper end of the piston 2 is fixedly connected with a transparent connecting column 3, a distance adjusting device 4 is installed in the inner cavity of the transparent connecting column 3, and a needle head 5 is sleeved at the lower end of the tube shell 1;

distance adjusting device 4 puts including octagon hole 41 and scale mark 42, the inner chamber of transparent connection post 3 is seted up in octagon hole 41, the lateral wall of transparent connection post 3 is seted up in scale mark 42, octagon movable block 43 has been cup jointed to the inner chamber in octagon hole 41, screw hole 44 has been seted up at the middle part of octagon movable block 43, the lead screw 45 with screw hole 44 looks spiro union has been cup jointed to the inner chamber in octagon hole 41, the lower extreme of lead screw 45 rotates with the inner chamber lower extreme of transparent connection post 3 to be connected, turning block 46 is installed to the upper end of lead screw 45, the inner chamber in octagon hole 41 evenly runs through there are four spout 47, four the equal slidable mounting of inside wall of spout 47 has slider 48, and the inner of slider 48 and the spacing joint of octagon movable block 43, the outer end of slider 48 and the inside wall fixed mounting of tube.

The lead screw 45 can be driven to rotate when the movable block 46 is rotated, so that the lead screw can drive the octagonal movable block 43 to move through the effect of the screw joint with the octagonal movable block 43, the upper ends of the inner cavities of the sliding block 48 and the tube shell 1 are fixed together, the inner end of the sliding block 48 is inserted into the octagonal hole 41 and is in limit clamping connection with the octagonal movable block 43, and therefore when the transparent connecting column 3 is pressed, the distance of the transparent connecting column 3 is the distance between the octagonal movable block 43 and the sliding block 48.

Specifically, the upper end of the outer side wall of the tube shell 1 is fixedly connected with a pulling block 6, and the bottom surface of the pulling block 6 is provided with an anti-slip groove 7 for conveniently pressing the transparent connecting column 3 during injection.

Specifically, the upper end of the transparent connecting column 3 is fixedly provided with a rubber pad 8.

Particularly, the bottom surface middle part of turning block 46 offers the groove 9 that cup joints mutually with the upper end of transparent spliced pole 3, the middle part fixed mounting of the groove 9 of cup jointing has the device of stepping down 10, the inner chamber upper end integrated into one piece of the groove 9 of cup jointing has the toper salient point 11 of squeezing mutually with cushion 8.

The cone-shaped protrusion 11 penetrates into the rubber pad 8 when the rotating block 46 is pressed through the action of the abdicating device 10, so that the rotating block 46 is prevented from rotating accidentally when the rotating block 46 is pressed, and the dosage is prevented from being inaccurate.

Particularly, the device 10 of stepping down includes connecting pipe 101, spring 104 has been cup jointed in connecting pipe 101, the relative fixed mounting of inner chamber lower extreme of connecting pipe 101 has two sliders 102 of stepping down, and connecting pipe 101 cup joints with the upper end of lead screw 45 mutually, the lateral wall sliding connection of slider 102 of stepping down has the spout 103 of stepping down of seting up in lead screw 45 lateral wall upper end.

As shown in fig. 4, the rotation block 46 can move up and down by the cooperation of the abdicating slide block 102 and the abdicating chute 103, and when the rotation block 46 does not apply force by the pressing action of the spring 104, the spring 104 will rebound the rotation block 46, so as to separate the rubber pad 8 from the conical protrusion 11.

The working principle is as follows: the utility model discloses in pulling transparent spliced pole 3 makes liquid medicine get into tube 1 when using, then adjust the distance between octagon movable block 43 and the slider 48 through distance adjusting device 4, read through scale mark 42, because movable block 43 has limiting displacement with slider 48, so the distance between movable block 43 and the slider 48 is the distance that transparent spliced pole 3 removed when pressing, then the volume of liquid medicine is calculated to the distance that removes through transparent post and the radius of tube 1, and this kind of mode is the same with original syringe metering mode, so the number of check through the scale mark calculates, remove a check promptly and represent how much dose of injection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An injection device capable of controlling the amount of anesthetic, which comprises a tube shell and is characterized in that: a piston is sleeved in the inner cavity of the tube shell, a transparent connecting column is fixedly connected to the upper end of the piston, a distance adjusting device is installed in the inner cavity of the transparent connecting column, and a needle head is sleeved at the lower end of the tube shell;

the distance adjusting device comprises an octagonal hole and scale marks, the octagonal hole is formed in an inner cavity of the transparent connecting column, the scale marks are formed in an outer side wall of the transparent connecting column, an octagonal moving block is sleeved in the inner cavity of the octagonal hole, a threaded hole is formed in the middle of the octagonal moving block, a lead screw in threaded hole screwed with the threaded hole is sleeved in the inner cavity of the octagonal hole, the lower end of the lead screw is connected with the inner cavity lower end of the transparent connecting column in a rotating mode, a rotating block is installed at the upper end of the lead screw, four sliding grooves are evenly formed in the inner cavity of the octagonal hole in a penetrating mode, four sliding blocks are installed on the inner side wall of each sliding groove in an equal sliding mode, the inner end of each sliding block is connected with the inner.

2. The injection device of claim 1, wherein: the upper end of the outer side wall of the tube shell is fixedly connected with a traction block, and the bottom surface of the traction block is provided with an anti-slip groove.

3. The injection device of claim 1, wherein: and the upper end of the transparent connecting column is fixedly provided with a rubber mat.

4. The injection device of claim 1, wherein: the bottom surface middle part of turning block sets up the groove of cup jointing mutually with the upper end of transparent spliced pole, the middle part fixed mounting in groove of cup jointing has the device of stepping down, the inner chamber upper end integrated into one piece in groove of cup jointing has the toper salient point of extrudeing mutually with the cushion.

5. The injection device of claim 4, wherein: the abdicating device comprises a connecting pipe, a spring is sleeved in the connecting pipe, two abdicating sliding blocks are fixedly arranged at the lower end of the inner cavity of the connecting pipe relatively, the connecting pipe is sleeved with the upper end of the screw rod, and the abdicating sliding groove is arranged at the upper end of the outer side wall of the screw rod and is connected with the outer side wall of the abdicating sliding block in a sliding manner.