CN216124969U

CN216124969U - Insulin injection pen

Info

Publication number: CN216124969U
Application number: CN202121676982.8U
Authority: CN
Inventors: 余晓华
Original assignee: Ningbo Medical Center Lihuili Hospital
Current assignee: Ningbo Medical Center Lihuili Hospital
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2022-03-25
Anticipated expiration: 2031-07-22

Abstract

The utility model relates to an insulin injection pen, which comprises two casings which are bilaterally symmetrical and are mutually spliced and a main body arranged in the two casings; the main body comprises a support plate vertically fixed between the inner walls of the two shells, a servo motor fixed on the front side of the support plate, a traction block vertically arranged on the rear side of the support plate and a lead screw horizontally inserted and screwed in the traction block; the utility model can automatically stop injection after the injection dose reaches a set value so as to realize accurate control of the injection dose, thereby greatly facilitating use and obviously improving safety performance; and both set up convex lens and do benefit to the numerical value in the observation display screen with the great ease, possessed the voice broadcast function with the help of the speaker again, and then enable the relatively poor patient of eyesight also can simple and convenient use to application scope has been enlarged.

Description

Insulin injection pen

Technical Field

The utility model relates to an insulin injection pen.

Background

Insulin is a protein hormone secreted by the beta cells of the islets of langerhans in the pancreas stimulated by endogenous or exogenous substances such as glucose, lactose, ribose, arginine, glucagon, etc.; insulin is the only hormone for reducing blood sugar in the body, and can promote the synthesis of glycogen, fat and protein; exogenous insulin is mainly used for treating diabetes, and the diabetes needs to inject a certain amount of insulin into a body by a syringe in a specified time so as to reduce blood sugar; in hospitals, medical staff mostly use a common injector to inject insulin, but outside hospitals, patients cannot use the common injector to inject insulin skillfully, accurately and safely, and injection is completed by an insulin injection pen; however, the existing insulin injection pen cannot accurately control the injection amount, is inconvenient to use, is easy to mistake the injection amount, is weak in safety performance, lacks a voice broadcasting function, and causes the patients with poor eyesight to be inconvenient to use, has a small application range, and is to be further improved.

SUMMERY OF THE UTILITY MODEL

In view of the current situation of the prior art, the technical problem to be solved by the present invention is to provide an insulin injection pen which is greatly convenient to use, remarkably improves the safety performance, and enlarges the application range.

The technical scheme adopted by the utility model for solving the technical problems is as follows: an insulin injection pen comprises two casings which are bilaterally symmetrical and are spliced with each other and a main body which is arranged inside the two casings, and is characterized in that the main body comprises a support plate which is vertically fixed between the inner walls of the two casings, a servo motor which is fixed on the front side of the support plate, a traction block which is vertically arranged on the rear side of the support plate and a lead screw which is transversely inserted and screwed in the traction block, the rotating shaft of the servo motor transversely backwards penetrates through the support plate and extends out of the rear side of the support plate, the front end of the lead screw is fixed on the rotating shaft of the servo motor through a coupler, a partition plate is further outwards formed on the inner wall of the rear end of each of the two casings, first semicylinders which are symmetrical with each other and spliced with each other are forwards formed on the inner side edges of the two partition plates, the rear end of the lead screw is rotatably inserted between the two first semicylinders, and the bottom of the traction block is provided with a limit groove, the limiting groove is also internally provided with guide rods which are transversely distributed in an inserting way, and the front ends of the guide rods are fixed at the rear side of the supporting plate; the front sides of the two partition plates are outwards provided with second semi-cylinders which are symmetrical and spliced with each other, the two second semi-cylinders are respectively arranged below the two first semi-cylinders, and the rear ends of the guide rods are inserted and fixed between the two second semi-cylinders; the top parts of the two shells are upwards formed with arc-shaped blocks which are symmetrical and spliced with each other, the bottoms of the inner sides of the two arc-shaped blocks are respectively provided with a notch groove which is symmetrical and spliced with each other, correspondingly, the top part of the traction block is upwards movably inserted between the two notch grooves, the top part of the traction block is upwards formed with a push block, the front side of the push block is also provided with two clamping plates which are arranged symmetrically left and right, the inner sides of the front ends of the two arc-shaped blocks are also outwards formed with fan-shaped supporting blocks which are symmetrical and spliced with each other, the inner sides of the front ends of the two arc-shaped blocks are also outwards formed with fan-shaped clamping plate units which are symmetrical with each other and spliced with each other, the fan-shaped clamping plate units are arranged at the rear sides of the fan-shaped supporting blocks and the front sides of the notch grooves, and the fan-shaped clamping plate units comprise two fan-shaped clamping plates which are sequentially distributed from front to back; a vertically distributed sleeve is also formed upwards on the inner side of one arc-shaped block on the rear side, and the sleeve is arranged between the fan-shaped supporting block and the fan-shaped clamping plate unit; the clamping device comprises a sleeve, a clamping assembly and a clamping device, wherein the clamping assembly comprises a locking column vertically and movably inserted in the sleeve, a pressing block fixed at the upper end of the locking column, a stop block fixed at the lower end of the locking column and positioned in a shell at the rear side, and a spring sleeved on the locking column and positioned in the shell at the rear side, and the upper end and the lower end of the spring are respectively tightly propped against the inner wall of the top of the shell and the end surface of the top of the stop block; an arc-shaped pressing groove is formed in the lower side of the pressing block.

Preferably, one of front side the inside of casing still is equipped with the mainboard, the outside of mainboard still is equipped with the display screen, one of front side still outwards be formed with the protruding chamber of arc on the inner wall of casing, still be equipped with convex lens in the protruding chamber of arc, the observation hole has been seted up to the bottom in the protruding chamber of arc, the position of observation hole and the position of display screen are mutually supported.

Preferably, the outer side of the main board is further provided with a plurality of keys, correspondingly, the outer wall of one of the shells at the front side is provided with a same number of key holes, and the plurality of keys are respectively and movably embedded in the plurality of key holes.

Preferably, two still be equipped with the speaker between the rear end of casing is inside, the speaker is located the rear side of two baffles and is linked to each other with the mainboard, correspondingly, one of front side seted up a plurality of sound-raising holes on the rear end outer wall of casing, it is a plurality of the position in sound-raising hole all mutually supports with the position of speaker.

Preferably, a detachable sliding cover is further arranged between the tops of the two arc-shaped blocks, the front end of the sliding cover is open, and the rear end of the sliding cover is closed.

Preferably, a trapezoidal groove is formed in the top of each of the two arc-shaped blocks, correspondingly, a trapezoidal strip is formed downwards on the edge of the left side and the edge of the right side of the opening of the bottom of the sliding cover, and the two trapezoidal strips are movably inserted into the two trapezoidal grooves respectively.

Compared with the prior art, the utility model has the advantages that: the utility model can automatically stop injection after the injection dose reaches a set value so as to realize accurate control of the injection dose, thereby greatly facilitating use and obviously improving safety performance; and both set up convex lens and do benefit to the numerical value in the observation display screen with the great ease, possessed the voice broadcast function with the help of the speaker again, and then enable the relatively poor patient of eyesight also can simple and convenient use to application scope has been enlarged.

Drawings

FIG. 1 is a right front side structural view of the present invention;

fig. 2 is a right rear side structural view of the clamping assembly of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

As shown in fig. 1-2, an insulin injection pen comprises two casings 1 which are bilaterally symmetrical and are mutually spliced, and a main body arranged inside the two casings 1; the main body comprises a supporting plate 2 vertically fixed between the inner walls of the two shells 1, a servo motor 3 fixed on the front side of the supporting plate 2, a traction block 5 vertically arranged on the rear side of the supporting plate 2 and a screw rod 4 transversely inserted and screwed in the traction block 5, the rotating shaft of the servo motor 3 transversely and backwards penetrates through the supporting plate 2 and extends out of the rear side of the supporting plate 2, the front end of the lead screw 4 is fixed on the rotating shaft of the servo motor 3 through a coupler 7, the inner walls of the rear ends of the two shells 1 are outwards provided with a partition plate 107, the inner side edges of the two partition plates 107 are forwards provided with first semicylinders 104 which are symmetrical and spliced with each other, the rear end of the lead screw 4 is rotatably inserted between the two first semicylinders 104, the bottom of the traction block 5 is provided with a limit groove 51, transversely distributed guide rods 6 are further inserted into the limit groove 51, and the front end of each guide rod 6 is fixed on the rear side of the supporting plate 2; the front sides of the two partition plates 107 are outwards provided with two second semicylinders 106 which are symmetrical and spliced with each other, the two second semicylinders 106 are respectively arranged below the two first semicylinders 104, and the rear end of the guide rod 6 is inserted and fixed between the two second semicylinders 106; the top parts of the two shells 1 are respectively upwards formed with arc-shaped blocks 101 which are symmetrical and mutually spliced, the bottoms of the inner sides of the two arc-shaped blocks 101 are respectively provided with a notch groove 102 which is symmetrical and mutually spliced, correspondingly, the top part of the traction block 5 is upwards movably inserted between the two notch grooves 102, the top part of the traction block 5 is upwards formed with a push block 52, the front side of the push block 52 is also provided with two clamping plates 53 which are arranged in bilateral symmetry, the inner sides of the front ends of the two arc-shaped blocks 101 are respectively outwards formed with a fan-shaped supporting block 103 which is symmetrical and mutually spliced, the inner sides of the front ends of the two arc-shaped blocks 101 are respectively outwards formed with a fan-shaped clamping plate unit which is symmetrical and mutually spliced, the fan-shaped clamping plate units are arranged on the rear side of the fan-shaped supporting block 103 and the front side of the notch grooves 102, and the fan-shaped clamping plate units comprise two fan-shaped clamping plates 105 which are sequentially distributed from front to back; a vertically distributed sleeve 111 is also formed upwards on the inner side of one arc-shaped block 101 on the rear side, and the sleeve 111 is arranged between the fan-shaped supporting block 103 and the fan-shaped clamping plate unit; the clamping device comprises a locking column 14 vertically and movably inserted in the sleeve 111, a pressing block 13 fixed at the upper end of the locking column 14, a stop block 16 fixed at the lower end of the locking column 14 and positioned in one shell 1 at the rear side, and a spring 15 sleeved on the locking column 14 and positioned in one shell 1 at the rear side, wherein the upper end and the lower end of the spring 15 are respectively tightly propped against the inner wall of the top of the shell 1 and the end surface of the top of the stop block 16; the lower side of the pressing block 13 is provided with an arc-shaped pressing groove 131.

The inside of a casing 1 of front side still is equipped with mainboard 8, and the outside of mainboard 8 still is equipped with display screen 9, still outwards is formed with the protruding chamber 109 of arc on the inner wall of a casing 1 of front side, still is equipped with convex lens 11 in the protruding chamber 109 of arc, and observation hole 115 has been seted up to the bottom in the protruding chamber 109 of arc, and the position of observation hole 115 mutually supports with the position of display screen 9.

The outer side of the main board 8 is further provided with a plurality of keys 10, correspondingly, the outer wall of one casing 1 at the front side is provided with a same number of key holes 110, and the plurality of keys 10 are respectively and movably embedded in the plurality of key holes 110.

Still be equipped with speaker 12 between the rear end of two casings 1 is inside, speaker 12 locates the rear side of two baffles 107 and links to each other with mainboard 8, correspondingly, has seted up a plurality of raise voice holes 108 on the rear end outer wall of a casing 1 of front side, and the position of a plurality of raise voice holes 108 all mutually supports with speaker 12's position.

A detachable sliding cover 17 is further arranged between the tops of the two arc-shaped blocks 101, the front end of the sliding cover 17 is opened, and the rear end of the sliding cover 17 is closed.

A trapezoidal groove 112 has all been seted up at the top of two arc pieces 101, correspondingly, the bottom opening part left and right sides edge of sliding closure 17 all is formed with a trapezoidal strip 171 downwards, and two trapezoidal strips 171 activity respectively insert in two trapezoidal grooves 112.

The using method comprises the following steps: pushing the sliding cover 17 backwards to separate from the two arc-shaped blocks 101, pinching the pressing block 13 with hands and pulling upwards, then transversely placing the syringe 18 above the two fan-shaped supporting blocks 103 and the two fan-shaped clamping plate units, clamping two ends of the turning plate 181 positioned at the opening of the syringe 18 between the two fan-shaped clamping plates 105 in the corresponding fan-shaped clamping plate unit, simultaneously inserting the end part of the push rod 19 between the two clamping plates 53, embedding the pressing sheet 191 positioned at the end part of the push rod 19 between the two clamping plates 53 and the push block 52, then loosening the pressing block 13, and automatically pressing the syringe 18 downwards under the action of the rebound force of the spring 15 by the pressing block 13 to realize fixation; finally, the needle is sleeved at the front end of the syringe 18 and is installed back to the sliding cover 17.

The parameters of the main board 8 are set by operating the plurality of keys 10, and then the usage amount is set according to the actual situation, and the main board 8 can display other related parameter data such as a set value and the like through the display screen 9 for a user to check; after the needle head is inserted into the skin of a human body, one of the keys 10 is pressed to start the rotating shaft of the servo motor 3 to rotate, and then the shaft coupling 7 is used for driving the screw rod 4 to rotate in the traction block 5, so that the traction block 5 is driven to move forwards along the two notch grooves 102 according to the principle of threaded connection, and then the pressing sheet 191 is used for pushing the push rod 19 to extrude forwards, so that the medicament in the needle cylinder 18 is injected into the human body through the needle head, and when the injection amount of the medicament reaches a set value, the main board 8 can automatically shut down the servo motor 3 and drive the loudspeaker 12 to give out voice to prompt a user; the mainboard 8 plays the roles of controlling the operation of the servo motor 3, setting the injection dosage, sending data to the display screen 9 for display and the like, and belongs to the prior art.

In addition, the convex lens 11 can carry out the method on the numerical values displayed in the display screen 9, so that the numerical values can be conveniently observed by users with great ages or eye diseases, and the use of the numerical values is further convenient.

The utility model can automatically stop injection after the injection dose reaches a set value so as to realize accurate control of the injection dose, thereby greatly facilitating use and obviously improving safety performance; and both set up convex lens 11 and in order to do benefit to the numerical value of observing in the display screen 9 by a wide margin, possessed the voice broadcast function again with the help of speaker 12, and then enable the relatively poor patient of eyesight also can simple and convenient use to application scope has been enlarged.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An insulin injection pen comprises two casings which are bilaterally symmetrical and are spliced with each other and a main body which is arranged inside the two casings, and is characterized in that the main body comprises a support plate which is vertically fixed between the inner walls of the two casings, a servo motor which is fixed on the front side of the support plate, a traction block which is vertically arranged on the rear side of the support plate and a lead screw which is transversely inserted and screwed in the traction block, the rotating shaft of the servo motor transversely backwards penetrates through the support plate and extends out of the rear side of the support plate, the front end of the lead screw is fixed on the rotating shaft of the servo motor through a coupler, a partition plate is further outwards formed on the inner wall of the rear end of each of the two casings, first semicylinders which are symmetrical with each other and spliced with each other are forwards formed on the inner side edges of the two partition plates, the rear end of the lead screw is rotatably inserted between the two first semicylinders, and the bottom of the traction block is provided with a limit groove, the limiting groove is also internally provided with guide rods which are transversely distributed in an inserting way, and the front ends of the guide rods are fixed at the rear side of the supporting plate; the front sides of the two partition plates are outwards provided with second semi-cylinders which are symmetrical and spliced with each other, the two second semi-cylinders are respectively arranged below the two first semi-cylinders, and the rear ends of the guide rods are inserted and fixed between the two second semi-cylinders; the top parts of the two shells are upwards formed with arc-shaped blocks which are symmetrical and spliced with each other, the bottoms of the inner sides of the two arc-shaped blocks are respectively provided with a notch groove which is symmetrical and spliced with each other, correspondingly, the top part of the traction block is upwards movably inserted between the two notch grooves, the top part of the traction block is upwards formed with a push block, the front side of the push block is also provided with two clamping plates which are arranged symmetrically left and right, the inner sides of the front ends of the two arc-shaped blocks are also outwards formed with fan-shaped supporting blocks which are symmetrical and spliced with each other, the inner sides of the front ends of the two arc-shaped blocks are also outwards formed with fan-shaped clamping plate units which are symmetrical with each other and spliced with each other, the fan-shaped clamping plate units are arranged at the rear sides of the fan-shaped supporting blocks and the front sides of the notch grooves, and the fan-shaped clamping plate units comprise two fan-shaped clamping plates which are sequentially distributed from front to back; a vertically distributed sleeve is also formed upwards on the inner side of one arc-shaped block on the rear side, and the sleeve is arranged between the fan-shaped supporting block and the fan-shaped clamping plate unit; the clamping device comprises a sleeve, a clamping assembly and a clamping device, wherein the clamping assembly comprises a locking column vertically and movably inserted in the sleeve, a pressing block fixed at the upper end of the locking column, a stop block fixed at the lower end of the locking column and positioned in a shell at the rear side, and a spring sleeved on the locking column and positioned in the shell at the rear side, and the upper end and the lower end of the spring are respectively tightly propped against the inner wall of the top of the shell and the end surface of the top of the stop block; an arc-shaped pressing groove is formed in the lower side of the pressing block.

2. The insulin injection pen according to claim 1, wherein a main board is further arranged inside one of the front cases, a display screen is further arranged outside the main board, an arc convex cavity is further formed outwards on the inner wall of one of the front cases, a convex lens is further arranged in the arc convex cavity, an observation hole is formed in the bottom of the arc convex cavity, and the position of the observation hole is matched with the position of the display screen.

3. An insulin injection pen as claimed in claim 2, wherein a plurality of keys are further disposed on the outer side of the main board, and correspondingly, the same number of key holes are disposed on the outer wall of one of the front cases, and the plurality of keys are respectively movably embedded in the plurality of key holes.

4. An insulin injection pen as claimed in claim 1, wherein a speaker is further disposed between the insides of the rear ends of the two cases, the speaker is disposed at the rear side of the two partition plates and connected to the main board, correspondingly, a plurality of sound emitting holes are formed in the outer wall of the rear end of one case at the front side, and the positions of the sound emitting holes are matched with the positions of the speaker.

5. An insulin injection pen as claimed in claim 1, wherein a detachable sliding cover is further provided between the tops of the two arc-shaped blocks, the front end of the sliding cover is open, and the rear end of the sliding cover is closed.

6. An insulin injection pen as claimed in claim 5, wherein a trapezoidal groove is formed at the top of each of the two arc-shaped blocks, correspondingly, a trapezoidal strip is formed downwards at the left and right edges of the bottom opening of the sliding cover, and the two trapezoidal strips are respectively movably inserted into the two trapezoidal grooves.