CN112773976B - Insulin administration auxiliary device for diabetic patients and using method thereof - Google Patents

Abstract

The invention discloses an insulin administration auxiliary device for a diabetic and a using method thereof, and relates to the field of medical instruments, and the insulin administration auxiliary device comprises a fixed base, wherein the top of the fixed base is movably connected with a movable frame, the surface of the movable frame is fixedly connected with a fixed sleeve, a movable sleeve is arranged in the fixed sleeve, the side wall of the movable sleeve is welded with a lifting slider, the inner side wall of the fixed sleeve is provided with a movable groove matched with the lifting slider, the movable sleeve is in sliding connection with the fixed sleeve through the lifting slider, the side wall of the lifting slider is provided with a limiting block, the side wall of the lifting slider, which is close to the limiting block, is provided with an accommodating groove, the limiting block can slide in the accommodating groove, a limiting spring is arranged in the accommodating groove, and the limiting block is connected with the lifting slider through the limiting spring; according to the injection pen, the fixing base and the fixing frame are arranged, the injection pen is arranged in the fixing sleeve on the fixing frame, and a user can finely adjust the position of the injection pen through the adjusting button to find the injection part.

Description

Insulin administration auxiliary device for diabetic patients and using method thereof

Technical Field

The invention relates to the field of medical instruments, in particular to an insulin administration auxiliary device for a diabetic and a using method thereof.

Background

According to the international diabetes union (IDF) statistics, the number of diabetics in the world in 2011 has reached 3.7 billion, with 80% in developing countries, and it is expected that nearly 5.5 billion diabetics will be in the world by 2030. Clinically, a large number of diabetic patients are hospitalized in non-endocrinology departments in hospitals due to diabetic complications or other diseases, and among the diabetic patients who are hospitalized, an insulin strengthening treatment scheme is more selected. However, the knowledge and the skill mastery of the non-endocrinologic nurses on the diabetes are slightly deficient, so that the diabetes treatment and nursing method has partial problems, and professional diabetes treatment and nursing cannot be performed on patients. The blood sugar of the patient fluctuates due to various types of insulin, wrong administration and the like, and great negative effects are generated on the treatment of the patient.

When an insulin syringe is used by a patient at present, the patient is firstly disinfected by alcohol on the surface of the skin and then directly inserted by holding the syringe, but when the insulin syringe is used by the patient, because the injection part cannot be accurately aligned, deviation always exists, if the disinfected part is small, the insulin syringe can be inserted into an unsterilized part, and other symptoms such as infection and the like are caused.

Disclosure of Invention

In order to solve the defects mentioned in the background technology, the invention aims to provide an insulin administration auxiliary device for a diabetic patient and a using method thereof, the insulin administration auxiliary device is provided with a fixed base and a fixed frame, an injection pen is arranged in a fixed sleeve on the fixed frame, and a user can finely adjust the position of the injection pen through an adjusting button to find an injection part;

meanwhile, the movable sleeve is arranged in the fixed sleeve, and the injection pen can slide up and down in the fixed sleeve through the movable sleeve, so that the skin of a user is prevented from being punctured by the injection needle before the position is found, and the injury is avoided.

The purpose of the invention can be realized by the following technical scheme:

an insulin administration auxiliary device for a diabetic patient comprises a fixed base, wherein the top of the fixed base is movably connected with a movable frame, the surface of the movable frame is fixedly connected with a fixed sleeve, a movable sleeve is arranged in the fixed sleeve, a lifting slider is welded on the side wall of the movable sleeve, the inner side wall of the fixed sleeve is provided with a movable groove matched with the lifting slider, the movable sleeve is in sliding connection with the fixed sleeve through the lifting slider, the side wall of the lifting slider is provided with a limiting block, the side wall of the lifting slider, which is close to the limiting block, is provided with an accommodating groove, the limiting block can slide in the accommodating groove, a limiting spring is arranged in the accommodating groove and is connected with the lifting slider through the limiting spring, the inner side wall of the movable groove is provided with a limiting hole matched with the limiting block, and the lifting slider is fixedly connected with the fixed sleeve through the limiting block;

the pen comprises a movable sleeve, and is characterized in that an injection pen is inserted in the movable sleeve, the injection pen comprises a first pen holder and a second pen holder, a pen core is arranged in the first pen holder, a protruding pipeline is arranged at the bottom end of the pen core, the pipeline extends downwards from the bottom of the first pen holder, a piston is arranged at the top of an inner cavity of the pen core, a connecting rod is welded at the center of the top of the piston, a through hole matched with the connecting rod is formed in the top of the pen core, the connecting rod extends upwards along the through hole and is flush with the top surface of the pen core, an injection device is arranged in the inner cavity of the second pen holder, the bottom of the injection device is tightly attached to the surface of the pen core, an injection needle is arranged at the bottom of the first pen holder and is connected with the pipeline in a threaded manner, and a needle protective sleeve is sleeved on the surface of the injection needle;

the fixing base comprises a bottom plate, a magic tape is fixedly connected to the bottom surface of the bottom plate, a supporting plate is arranged on the inner side of the bottom plate and is hinged to the bottom plate, a transverse plate is welded on the outer side of the top of the supporting plate and is perpendicular to the transverse plate, a fixing frame is fixedly connected to the surface of the transverse plate, an adjusting button is connected to the fixing frame in a rotating mode, the adjusting button can drive a movable frame to slide on the fixing base, a propelling device is perpendicularly arranged on the side wall of the movable frame, and the propelling device can be connected with the movable frame in a sliding mode along the radial direction.

Furthermore, the bottom fixedly connected with picture peg of adjustable shelf, the jack has been seted up on the top surface of backup pad, and the picture peg inserts in the jack, and the adjustable shelf passes through picture peg and backup pad sliding connection, and the lateral wall array distribution of picture peg has trapezoidal tooth, and adjustment button meshes with the picture peg mutually through trapezoidal tooth.

Further, limit stop is welded on the side wall of the first pen holder, a sliding groove is formed in the inner side wall of the movable sleeve, the sliding groove is integrally L-shaped, and the first pen holder can be embedded into the movable sleeve along the sliding groove.

Further, injection device includes the supporting rod, and the supporting rod runs through the second pen-holder, and supporting rod and second pen-holder swing joint, the bottom fixedly connected with grip block of supporting rod, the grip block is closely pasted in the top surface of refill, the inner chamber of supporting rod is provided with the threaded rod, the threaded rod upwards extends and stretches out the supporting rod, the threaded rod can be along the inside wall activity of supporting rod, the bottom welding of threaded rod has the ejection of compact post, the ejection of compact post is in same vertical plane with the connecting rod, and the internal diameter of ejection of compact post is the same with the internal diameter of connecting rod.

Furthermore, the internal thread has been seted up to the top inside wall of supporting rod, and the threaded rod links to each other with the supporting rod screw thread.

Further, the inner chamber bottom fixedly connected with fixed plate of second pen-holder, the surface of supporting rod is located to the fixed plate cover, and the supporting rod links to each other with the fixed plate activity, and the skin weld of supporting rod has adjustable fender, and adjustable fender is located the second pen-holder and the top of fixed plate, is provided with the centre gripping spring between the top surface of adjustable fender and second pen-holder, and adjustable fender is connected with the second pen-holder through the centre gripping spring.

Further, the surface of syringe needle is provided with the connecting block, and the connecting block links to each other with first pen rod screw thread, and the syringe needle protective sheath includes first protective sheath and second protective sheath, and the surface of connecting block is located to first protective sheath cover, and the surface of syringe needle is located to second protective sheath cover.

Furthermore, the lateral wall welding of connecting block has first lug, and the perpendicular groove has been seted up to the inside wall of first protective sheath, and the connecting block passes through first lug and first protective sheath sliding connection, and the lateral wall welding of second protective sheath has the second lug, and the second protective sheath passes through in the second lug embedding connecting block.

Further, advancing device includes the actuating lever, and the actuating lever runs through the lateral wall of adjustable shelf, and the one end fixedly connected with push pedal that the actuating lever is located the adjustable shelf, and the surface cover of actuating lever is equipped with reset spring between push pedal and the adjustable shelf inside wall, and the push pedal passes through reset spring and links to each other with the adjustable shelf, the other end fixedly connected with fixed handle of actuating lever.

A method for using an insulin administration assisting device for a diabetic patient, which comprises the following steps:

s1, assembling an injection pen

Opening the first penholder and the second penholder, filling the refill into the first penholder and the second penholder, installing an injection needle, and exhausting air in the refill;

s2, installing the injection pen

Inserting the injection pen into the movable sleeve of the fixed sleeve and keeping the injection needle in the fixed sleeve;

s3, preparation of injection

A user disinfects the skin with alcohol, the fixing base is fixed on the surface of the disinfected part, the bottom end of the fixing sleeve is attached to the surface of the skin, and the fixing sleeve is finely adjusted through the adjusting button to align the part;

s4, injecting insulin

After the position is found, the injection pen is moved downwards to push the injection needle to be inserted into the skin, and then insulin is injected through the injection device.

The invention has the beneficial effects that:

1. according to the injection pen, the fixed base and the fixed frame are arranged, the injection pen is arranged in the fixed sleeve on the fixed frame, and a user can finely adjust the position of the injection pen through the adjusting button to find an injection part;

2. according to the invention, the movable sleeve is arranged in the fixed sleeve, and the injection pen can slide up and down in the fixed sleeve through the movable sleeve, so that the skin of a user is prevented from being punctured by the injection needle before the position is found, and the injury is avoided.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the connection of the stationary sleeve and the movable frame of the present invention;

FIG. 3 is a schematic view of the movable sleeve structure of the present invention;

FIG. 4 is a cross-sectional view of the removable sleeve of the present invention;

FIG. 5 is a schematic view of the injection pen structure of the present invention;

FIG. 6 is an exploded schematic view of the injection pen of the present invention;

FIG. 7 is a cross-sectional view of the injection pen of the present invention;

FIG. 8 is an enlarged schematic view at A in FIG. 7;

fig. 9 is a schematic view of the structure of the propulsion device of the present invention.

In the figure: 1. a fixed base; 11. a base plate; 12. a support plate; 13. a transverse plate; 2. a movable frame; 21. inserting plates; 22. trapezoidal teeth; 3. fixing the sleeve; 31. a movable groove; 32. a limiting hole; 4. a movable sleeve; 41. a lifting slide block; 42. a limiting block; 43. a limiting spring; 44. a chute; 5. an injection pen; 51. a first pen holder; 511. a piston; 512. a connecting rod; 52. a second pen holder; 53. a pen core; 54. an injection device; 541. a clamping rod; 542. a clamping plate; 543. a threaded rod; 544. pushing the column; 545. a fixing plate; 546. a movable baffle; 547. a clamping spring; 55. an injection needle; 551. connecting blocks; 5511. a first bump; 56. a needle head protective sleeve; 561. a first protective sheath; 562. a second protective cover; 5621. a second bump; 57. a limit stop; 6. an adjustment button; 61. a fixed mount; 7. a propulsion device; 71. pushing a plate; 72. a drive rod; 73. fixing a handle; 74. a return spring.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship merely to facilitate description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be construed as limiting the invention.

An insulin administration auxiliary device for a diabetic patient is disclosed, as shown in fig. 1, 3 and 4, and comprises a fixed base 1, wherein the top of the fixed base 1 is movably connected with a movable frame 2, the surface of the movable frame 2 is fixedly connected with a fixed sleeve 3, a movable sleeve 4 is arranged in the fixed sleeve 3, a lifting slider 41 is welded on the side wall of the movable sleeve 4, a movable groove 31 matched with the lifting slider 41 is formed in the inner side wall of the fixed sleeve 3, the movable sleeve 4 is slidably connected with the fixed sleeve 3 through the lifting slider 41, a limiting block 42 is arranged on the side wall of the lifting slider 41, an accommodating groove is formed in the side wall of the lifting slider 41 close to the limiting block 42, the limiting block 42 can slide in the accommodating groove, a limiting spring 43 is arranged in the accommodating groove, the limiting block 42 is connected with the lifting slider 41 through the limiting spring 43, a limiting hole 32 matched with the limiting block 42 is formed in the inner side wall of the movable groove 31, the lifting slider 41 is fixedly connected with the fixed sleeve 3 through the limiting block 42, the movable sleeve 4 can slide up and down in the movable groove 31 through the lifting slider 41, meanwhile, the limiting block 42 can also make telescopic motion in the lifting slider 41, and the limiting block 41, after the lifting slider 41 moves to a proper height, the lifting slider 41 can be inserted into the limiting hole, and fixed to fix the lifting slider 32;

as shown in fig. 5 and 6, an injection pen 5 is inserted into the movable sleeve 4, the injection pen 5 comprises afirst pen holder 51 and asecond pen holder 52, arefill 53 is arranged in thefirst pen holder 51, a protruding pipeline is arranged at the bottom end of therefill 53, the pipeline extends downwards from the bottom of thefirst pen holder 51, apiston 511 is arranged at the top of an inner cavity of therefill 53, a connectingrod 512 is welded at the center of the top of thepiston 511, a through hole matched with the connectingrod 512 is formed in the top of therefill 53, the connectingrod 512 extends upwards along the through hole and is flush with the top surface of therefill 53, aninjection device 54 is arranged in the inner cavity of thesecond pen holder 52, the bottom of theinjection device 54 is tightly attached to the surface of therefill 53, aninjection needle 55 is arranged at the bottom of thefirst pen holder 51, theinjection needle 55 is connected with the pipeline in a threaded manner, a needleprotective sleeve 56 is arranged on the surface of theinjection needle 55, and the needleprotective sleeve 56 can be taken down from theinjection needle 55;

as shown in fig. 4 and 5, alimit stopper 57 is welded on a side wall of thefirst pen holder 51, a slidinggroove 44 is formed in an inner side wall of the movable sleeve 4, the slidinggroove 44 is integrally L-shaped, thefirst pen holder 51 can be embedded into the movable sleeve 4 along the slidinggroove 44, thelimit stopper 57 on the injection pen 5 is inserted along the slidinggroove 44, and then the injection pen 5 is rotated, so that thelimit stopper 57 can be moved into the movable sleeve 4.

As shown in fig. 6 and 7, theinjection device 54 includes a clampingrod 541, the clampingrod 541 penetrates through thesecond pen holder 52, the clampingrod 541 is movably connected to thesecond pen holder 52, aclamping plate 542 is fixedly connected to a bottom end of the clampingrod 541, the clampingplate 542 is tightly attached to a top surface of thepen core 53, a threadedrod 543 is disposed in an inner cavity of the clampingrod 541, the threadedrod 543 upwardly extends and extends out of the clampingrod 541, the threadedrod 543 can move along an inner side wall of the clampingrod 541, a pushingpost 544 is welded to a bottom end of the threadedrod 543, the pushingpost 544 and the connectingrod 512 are located in the same vertical plane, and an inner diameter of the pushingpost 544 is the same as an inner diameter of the connectingrod 512.

The internal thread has been seted up to the top inside wall of supportingrod 541, and threadedrod 543 and supportingrod 541 thread link to each other.

The fixingplate 545 is fixedly connected to the bottom of the inner cavity of thesecond pen holder 52, the fixingplate 545 is sleeved on the surface of the clampingrod 541, the clampingrod 541 is movably connected with the fixingplate 545, themovable baffle 546 is welded to the surface of the clampingrod 541, themovable baffle 546 is located in thesecond pen holder 52 and at the top of the fixingplate 545, the clampingspring 547 is arranged between themovable baffle 546 and the top surface of thesecond pen holder 52, and themovable baffle 546 is connected with thesecond pen holder 52 through the clampingspring 547.

As shown in FIGS. 6 and 8, the surface of theinjection needle 55 is provided with aconnection block 551, theconnection block 551 is in threaded connection with thefirst pen rod 51, theneedle protection sleeve 56 comprises afirst protection sleeve 561 and asecond protection sleeve 562, thefirst protection sleeve 561 is sleeved on the surface of theconnection block 551, and thesecond protection sleeve 562 is sleeved on the surface of theinjection needle 55.

The side wall welding of connectingblock 551 hasfirst lug 5511, and the vertical slot has been seted up tofirst protection cover 561's inside wall, and connecting block 551 passes throughfirst lug 5511 andfirst protection cover 561 sliding connection, and the side wall welding ofsecond protection cover 562 hassecond lug 5621, andsecond protection cover 562 imbeds in connectingblock 551 throughsecond lug 5621.

Unable adjustment base 1 includesbottom plate 11, the bottom surface fixedly connected with magic subsides ofbottom plate 11, the inboard ofbottom plate 11 is provided withbackup pad 12,backup pad 12 is articulated withbottom plate 11, the top outside welding ofbackup pad 12 hasdiaphragm 13, anddiaphragm 13 andbackup pad 12 mutually perpendicular, the fixed surface ofdiaphragm 13 is connected withmount 61, be connected withadjustment button 6 atmount 61 internal rotation, andadjustment button 6 can driveadjustable shelf 2 and slide on unable adjustment base 1, the lateral wall ofadjustable shelf 2 is provided with advancing device 7 perpendicularly, advancing device 7 can be along radial direction and 2 sliding connection of adjustable shelf.

As shown in fig. 2, an insertingplate 21 is fixedly connected to the bottom end of themovable frame 2, a jack is formed in the top surface of the supportingplate 12, the insertingplate 21 is inserted into the jack, themovable frame 2 is slidably connected to the supportingplate 12 through the insertingplate 21,trapezoidal teeth 22 are distributed on the outer side wall of the insertingplate 21 in an array manner, and theadjusting button 6 is engaged with the insertingplate 21 through thetrapezoidal teeth 22.

As shown in fig. 9, the propelling device 7 includes a drivingrod 72, the drivingrod 72 penetrates through the side wall of themovable frame 2, one end of the drivingrod 72 located in themovable frame 2 is fixedly connected with apush plate 71, areturn spring 74 is sleeved between thepush plate 71 and the inner side wall of themovable frame 2 and on the surface of the drivingrod 72, thepush plate 71 is connected with themovable frame 2 through thereturn spring 74, and the other end of the drivingrod 72 is fixedly connected with a fixedhandle 73.

A method for using an insulin administration assisting device for a diabetic patient, which comprises the following steps:

s1, assembling an injection pen 5

Opening thefirst pen rod 51 and thesecond pen rod 52, filling thepen core 53 into the pen rod, installing aninjection needle 55 and exhausting air in thepen core 53;

s2, installing an injection pen 5

Inserting the injection pen 5 into the movable sleeve 4 of the fixedsleeve 3 and keeping theinjection needle 55 inside the fixedsleeve 3;

s3, preparation of injection

A user disinfects the skin with alcohol, fixes the fixed base 1 on the surface of the disinfected part, sticks the bottom end of the fixedsleeve 3 on the surface of the skin, finely adjusts the fixedsleeve 3 through theadjusting button 6, and finds the part;

s4, injecting insulin

After the alignment is found, the injection pen 5 is first moved downward to insert theinjection needle 55 into the skin, and then insulin is injected through theinjection device 54.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (7)

1. The insulin administration auxiliary device for the diabetes patient comprises a fixed base (1) and is characterized in that a movable frame (2) is movably connected to the top of the fixed base (1), a fixed sleeve (3) is fixedly connected to the surface of the movable frame (2), a movable sleeve (4) is arranged in the fixed sleeve (3), a lifting slider (41) is welded to the side wall of the movable sleeve (4), a movable groove (31) matched with the lifting slider (41) is formed in the inner side wall of the fixed sleeve (3), the movable sleeve (4) is slidably connected with the fixed sleeve (3) through the lifting slider (41), a limiting block (42) is arranged on the side wall of the lifting slider (41), an accommodating groove is formed in the side wall, close to the limiting block (42), of the lifting slider (41), the limiting block (42) can slide in the accommodating groove, a limiting spring (43) is arranged in the accommodating groove, the limiting block (42) is connected with the lifting slider (41) through the limiting spring (43), a limiting hole (32) matched with the inner side wall of the limiting block (42) is formed in the movable groove (31), and the lifting slider (41) is fixedly connected with the fixed sleeve (3) through the limiting block (42);

an injection pen (5) is inserted into the movable sleeve (4), the injection pen (5) comprises a first pen holder (51) and a second pen holder (52), a pen core (53) is arranged in the first pen holder (51), a protruding pipeline is arranged at the bottom end of the pen core (53), the pipeline extends downwards from the bottom of the first pen holder (51), a piston (511) is arranged at the top of an inner cavity of the pen core (53), a connecting rod (512) is welded at the center of the top of the piston (511), a through hole matched with the connecting rod (512) is formed in the top of the pen core (53), the connecting rod (512) extends upwards along the through hole and is flush with the top surface of the pen core (53), an injection device (54) is arranged in the inner cavity of the second pen holder (52), the bottom of the injection device (54) is tightly attached to the surface of the pen core (53), an injection needle (55) is arranged at the bottom of the first pen holder (51), the injection needle (55) is connected with the pipeline through threads, and a protective sleeve (56) is arranged on the surface of the injection needle (55);

the fixed base (1) comprises a bottom plate (11), magic tapes are fixedly connected with the bottom surface of the bottom plate (11), a supporting plate (12) is arranged on the inner side of the bottom plate (11), the supporting plate (12) is hinged with the bottom plate (11), a transverse plate (13) is welded on the outer side of the top of the supporting plate (12), the transverse plate (13) is perpendicular to the supporting plate (12), a fixed frame (61) is fixedly connected with the surface of the transverse plate (13), an adjusting button (6) is rotatably connected in the fixed frame (61), the adjusting button (6) can drive the movable frame (2) to slide on the fixed base (1), a propelling device (7) is vertically arranged on the side wall of the movable frame (2), and the propelling device (7) can be slidably connected with the movable frame (2) along the radial direction;

the bottom end of the movable frame (2) is fixedly connected with an inserting plate (21), the top surface of the supporting plate (12) is provided with an inserting hole, the inserting plate (21) is inserted into the inserting hole, the movable frame (2) is connected with the supporting plate (12) in a sliding mode through the inserting plate (21), trapezoidal teeth (22) are distributed on the outer side wall of the inserting plate (21) in an array mode, and the adjusting button (6) is meshed with the inserting plate (21) through the trapezoidal teeth (22);

advancing device (7) are including actuating lever (72), and the lateral wall of adjustable shelf (2) is run through in actuating lever (72), and one end fixedly connected with push pedal (71) that actuating lever (72) are located adjustable shelf (2), and the surface cover between push pedal (71) and adjustable shelf (2) inside wall and actuating lever (72) is equipped with reset spring (74), and push pedal (71) link to each other with adjustable shelf (2) through reset spring (74), the other end fixedly connected with fixed handle (73) of actuating lever (72).

2. The insulin administration assisting device for the diabetics according to the claim 1, characterized in that a limit stop (57) is welded on the side wall of the first pen rod (51), a sliding groove (44) is formed in the inner side wall of the movable sleeve (4), the sliding groove (44) is integrally L-shaped, and the first pen rod (51) can be embedded into the movable sleeve (4) along the sliding groove (44).

3. The insulin administration assisting device for the diabetics according to claim 1, wherein the injection device (54) comprises a clamping rod (541), the clamping rod (541) penetrates through the second pen holder (52), the clamping rod (541) is movably connected with the second pen holder (52), a clamping plate (542) is fixedly connected to the bottom end of the clamping rod (541), the clamping plate (542) is tightly attached to the top surface of the refill (53), a threaded rod (543) is arranged in an inner cavity of the clamping rod (541), the threaded rod (543) extends upwards and extends out of the clamping rod (541), the threaded rod (543) can move along the inner side wall of the clamping rod (541), a push column (544) is welded to the bottom end of the threaded rod (543), the push column (544) and the connecting rod (512) are located in the same vertical plane, and the inner diameter of the push column (544) is the same as the inner diameter of the connecting rod (512).

4. The insulin delivery assisting device for the diabetics as claimed in claim 3, wherein an internal thread is formed in the inner side wall of the top of the clamping rod (541), and the threaded rod (543) is in threaded connection with the clamping rod (541).

5. The insulin administration assisting device for the diabetics according to claim 3, wherein a fixing plate (545) is fixedly connected to the bottom of the inner cavity of the second pen holder (52), the fixing plate (545) is sleeved on the surface of the clamping rod (541), the clamping rod (541) is movably connected with the fixing plate (545), a movable baffle (546) is welded to the surface of the clamping rod (541), the movable baffle (546) is located in the second pen holder (52) and at the top of the fixing plate (545), a clamping spring (547) is arranged between the movable baffle (546) and the top surface of the second pen holder (52), and the movable baffle (546) is connected with the second pen holder (52) through the clamping spring (547).

6. The insulin administration assisting device for the diabetics as claimed in claim 1, wherein a connecting block (551) is arranged on the surface of the injection needle (55), the connecting block (551) is in threaded connection with the first pen rod (51), the needle protecting sleeve (56) comprises a first protecting sleeve (561) and a second protecting sleeve (562), the first protecting sleeve (561) is sleeved on the surface of the connecting block (551), and the second protecting sleeve (562) is sleeved on the surface of the injection needle (55).

7. The insulin administration assisting device for the diabetics as claimed in claim 6, wherein a first bump (5511) is welded on the side wall of the connecting block (551), a vertical groove is formed in the inner side wall of the first protecting sleeve (561), the connecting block (551) is slidably connected with the first protecting sleeve (561) through the first bump (5511), a second bump (5621) is welded on the side wall of the second protecting sleeve (562), and the second protecting sleeve (562) is embedded into the connecting block (551) through the second bump (5621).

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