CN114642791A - Novel injection treatment device for diabetes - Google Patents

Abstract

The invention relates to the technical field of medical instruments, in particular to a novel diabetes injection treatment device which comprises a handheld barrel, wherein a piston is connected to the inner wall of the handheld barrel in a sliding mode, the piston divides the handheld barrel into an upper cavity and a lower cavity, the upper cavity is communicated with the outside air, the lower cavity is of a sealing structure, the bottom end of the piston is fixedly connected with a launching barrel, the side wall of the launching barrel is connected with the bottom end of the handheld barrel in a sliding mode, the bottom end of the launching barrel extends out of the bottom end of the handheld barrel, the inner wall of the launching barrel is communicated with the inside of the handheld barrel, the inner wall of the launching barrel is connected with an injection assembly in a sliding mode, the top of the injection assembly is elastically connected with the bottom end of the piston, the side wall of the injection assembly is clamped with the launching barrel, an unlocking portion and a pressing portion are fixedly connected to the inner wall of the handheld barrel, the unlocking portion is used for unlocking after the injection assembly and the launching barrel are clamped, the pressing portion is used for injecting liquid medicine into the injection assembly, a pressure reducing valve is arranged on the side wall of the handheld barrel, and a fixing portion is arranged between the side wall of the injection assembly and the launching barrel. The invention can achieve the purpose that the injection therapy can be completed by the patient without the assistance of other people.

Description

Novel diabetes injection treatment device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a novel injection treatment device for diabetes.

Background

Diabetes is a group of metabolic diseases characterized by hyperglycemia. Hyperglycemia is caused by a defect in insulin secretion or an impaired biological action, or both. At present, no method for radically treating diabetes exists, but the diabetes can be well controlled by various treatment means. Mainly comprises 5 aspects: education of diabetic patients, self-monitoring of blood glucose, diet therapy, exercise therapy and insulin therapy. Wherein insulin treatment usually indicates at patient's belly, the thigh outside and the upper arm outside carry out insulin injection, many patients can inject by oneself in the life for control blood sugar, skin and subcutaneous fat are pinched to one hand in the injection process, prevent that the liquid medicine from injecting the muscle layer, to the belly, the injection can be accomplished to the thigh patient through patient self both hands, because the too much skin damage that can cause of same position injection number of times, so need alternate the injection in different positions, when the upper arm is injected, because the arm fat is less, need to pinch up skin and subcutaneous fat with the hand, need two at least people to accomplish the injection operation, single can't inject at the arm of patient, consequently, need a new type diabetes injection treatment device to solve to urgent need.

Disclosure of Invention

The invention aims to provide a novel diabetes injection treatment device, which aims to solve the problems and achieve the aim that a patient can finish injection treatment without assistance of other people.

In order to achieve the purpose, the invention provides the following scheme: the utility model provides a novel diabetes injection treatment device, includes handheld bucket, handheld bucket inner wall sliding connection has the piston, the piston will handheld bucket separates for last cavity and cavity down, go up cavity and outside air intercommunication, the cavity is seal structure down, the piston bottom rigid coupling has the launching tube, launching tube lateral wall with handheld bucket bottom sliding connection, the launching tube bottom is stretched out handheld bucket bottom, launching tube inner wall with the inside intercommunication of handheld bucket, launching tube inner wall sliding connection has the injection subassembly, injection subassembly top with piston bottom elastic connection, injection subassembly lateral wall with the mutual joint of launching tube, handheld bucket inner wall rigid coupling has unlocking portion and pressing part, unlocking portion is used for the unblock behind injection subassembly and the launching tube joint, the pressing part is used for the injection subassembly injects the liquid medicine, the handheld barrel is characterized in that a pressure reducing valve is arranged on the side wall of the handheld barrel, and a fixing part is arranged between the side wall of the injection assembly and the launching barrel.

Preferably, the injection assembly comprises a needle tube, the bottom of the side wall of the needle tube is connected with the launching tube in a sliding mode, the inner wall of the needle tube is connected with a push rod in a sliding mode, the push rod corresponds to the pressing portion, the bottom of the needle tube is communicated with a needle head, the top of the needle tube is connected with the bottom of the piston in an elastic mode, and the top of the side wall of the needle tube is connected with the launching tube in a mutually clamped mode.

Preferably, the needle tube side wall is fixedly connected with symmetrically arranged sliding blocks, symmetrically arranged sliding grooves are formed in the inner wall of the launching tube and are in sliding connection with the sliding blocks, and the fixing parts are arranged between any one of the sliding blocks and the launching tube.

Preferably, the top of the needle tube is fixedly connected with a T-shaped connecting plate, the bottom of the piston is fixedly connected with a first spring, and the bottom of the first spring is in contact with the top of the T-shaped connecting plate.

Preferably, the needle tube lateral wall rigid coupling has the second to connect and colludes, the emitting barrel lateral wall has seted up the square hole, the square hole top surface rigid coupling has the first connection to collude, the first connection collude with the second is connected colludes and is colluded and link, the first connection collude with the cooperation of unblock portion sets up.

Preferably, the unblock portion includes the unblock clamp plate, unblock clamp plate one end with handheld bucket inner wall rigid coupling, unblock clamp plate other end rigid coupling has the unblock post, the slide has been seted up to first connection collude the lateral wall, the slide middle part to second connection colludes one side arch, the unblock post with slide sliding connection.

Preferably, the pressing part comprises injection pressing plates which are symmetrically arranged, one ends of the injection pressing plates, which are far away from each other, are fixedly connected with the interior of the handheld barrel, and one ends of the injection pressing plates, which are close to each other, are located above the push rod.

Preferably, the relief pressure valve include with handheld bucket lateral wall sliding connection's the post of pressing, it is close to press the post handheld bucket inner wall one end rigid coupling has the second spring, handheld bucket inner wall has seted up the through-hole, press the inside air flue of having seted up of post, air flue one end with the through-hole position corresponds, the air flue other end and outside air intercommunication.

Preferably, the fixed part is including seting up at arbitrary the first recess of slider lateral wall, launch barrel lateral wall sliding connection has first pin, first pin limit portion with the launch barrel lateral wall passes through second spring elastic connection.

Preferably, the top of the handheld barrel is provided with an air hole.

The invention has the following technical effects: the hand-held barrel is used for gripping the hand of a patient, the bottom of the launching barrel is used for contacting with the large arm of the patient, the patient holds the hand-held barrel with one hand to apply pressure to the large arm, the launching barrel pushes the piston to slide upwards along the inner wall of the hand-held barrel, the volume of the lower cavity is increased, the total amount of air in the lower cavity is unchanged, so that the lower cavity forms negative pressure, because the inner wall of the launching tube is communicated with the interior of the handheld barrel, negative pressure is formed in the launching tube, the lower edge of the launching tube is tightly attached to the skin of the large arm, the skin and the fat layer of the large arm can be sucked up by the negative pressure to the outer side, the same effect of pinching up the skin and the fat layer by hands is achieved, the unlocking part realizes the unlocking between the injection assembly and the launching tube as the handheld barrel continues to move downwards, and because the top of the injection assembly is elastically connected with the bottom of the piston, under the elastic action, the injection assembly is ejected downwards along the inner wall of the launching tube, the injection assembly pierces the skin of the large arm, and the injection assembly and the launching tube are combined into a whole under the action of the fixing part; the handheld barrel continues to move downwards, the pressing part injects the liquid medicine in the injection assembly into a human body, the inside of the handheld barrel is the same as the external pressure through the pressure reducing valve after the injection is finished, the handheld barrel is convenient to take down from the arm and outwards pulled out, and the handheld barrel drives the injection assembly to be separated from the arm of a patient through the launching tube. The patient only needs the one hand to hold this device and just can accomplish the operation to the opposite side arm injection treatment, can accomplish two people through the action of pushing down and extracting and extrude arm skin, injects the liquid medicine, extracts the operation of injection subassembly, and convenient operation uses manpower sparingly, has solved the single problem that can't accomplish the arm injection treatment of patient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

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

FIG. 2 is a cross-sectional view of a hand-held bucket of the present invention;

FIG. 3 is a cross-sectional view of the hand held bucket A-A of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B in accordance with the present invention;

FIG. 5 is a top plan view of the injection assembly of the present invention;

FIG. 6 is a bottom plan view of the injection assembly of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 1;

FIG. 8 is an enlarged view of a portion of the invention at C of FIG. 1;

FIG. 9 is an enlarged view of a portion of FIG. 1 taken at D in accordance with the present invention;

FIG. 10 is an enlarged view of a portion of FIG. 1 at F according to the present invention;

FIG. 11 is a schematic structural view of example 2 of the present invention;

FIG. 12 is an enlarged view of a portion of FIG. 11 at E in accordance with the present invention;

fig. 13 is a schematic view of the needle of the present invention after piercing the skin.

Wherein, 1, the barrel is held by hand; 2. a launch canister; 3. an injection platen; 4. unlocking the pressing plate; 5. a chute; 6. a first spring; 7. a piston; 8. a T-shaped connecting plate; 9. a needle tube; 10. a slider; 11. a push rod; 12. a needle head; 13. a first connecting hook; 14. a slideway; 15. a second connecting hook; 16. a first groove; 17. a first pin; 18. a second spring; 19. a flexible loop; 20. pressing the column; 21. an airway; 22. a second spring; 23. a through hole; 24. air holes; 25. a traveler; 26. a card slot; 27. a fixed seat; 28. a third spring; 29. a second pin; 30. and unlocking the column.

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 order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example 1

Referring to fig. 1-10 and 13, the embodiment provides a novel diabetes injection treatment device, which comprises a handheld barrel 1, wherein a piston 7 is slidably connected to the inner wall of the handheld barrel 1, the piston 7 divides the handheld barrel 1 into an upper cavity and a lower cavity, the upper cavity is communicated with the outside air, the lower cavity is a sealed structure, a launching barrel 2 is fixedly connected to the bottom end of the piston 7, the side wall of the launching barrel 2 is slidably connected to the bottom of the handheld barrel 1, the bottom end of the launching barrel 2 extends out of the bottom end of the handheld barrel 1, the inner wall of the launching barrel 2 is communicated with the inside of the handheld barrel 1, an injection component is slidably connected to the inner wall of the launching barrel 2, the top of the injection component is elastically connected to the bottom of the piston 7, the side wall of the injection component is mutually clamped with the launching barrel 2, an unlocking part and a pressing part are fixedly connected to the inner wall of the handheld barrel 1, the unlocking part is used for unlocking the injection component after the injection of the launching barrel 2 is clamped, a pressure reducing valve is arranged on the side wall of the handheld barrel 1, a fixing part is arranged between the side wall of the injection component and the launching tube 2.

The hand-held barrel 1 is used for gripping the hand of a patient, the bottom of the launching barrel 2 is used for contacting with the large arm of the patient, the patient holds the hand-held barrel 1 with one hand to apply pressure to the large arm, the launching barrel 2 pushes the piston 7 to slide upwards along the inner wall of the hand-held barrel 1, the volume of the lower cavity is increased, the total amount of air in the lower cavity is unchanged, so that the lower cavity forms negative pressure, because the inner wall of the launching tube 2 is communicated with the interior of the handheld barrel 1, negative pressure is also formed in the launching tube 2, the lower edge of the launching tube 2 is tightly attached to the skin of the large arm, the skin and the fat layer of the large arm can be sucked up by the negative pressure, the same effect of pinching up the skin and the fat layer by hand is achieved, the lower edge of the launching tube 2 is fixedly connected with a flexible ring 19, the flexible ring 19 can be made of rubber materials, the flexible ring 19 is of a semicircular structure, the arc end is attached to the skin, the sealing performance of the contact part of the skin and the flexible ring 19 is improved, the impression and pain of the skin are relieved, and the effect that the skin cannot be pinched up by hand is achieved; the unlocking part realizes the unlocking between the injection component and the launching tube 2 along with the continuous descending of the handheld barrel 1, because the top of the injection component is elastically connected with the bottom of the piston 7, the injection component is ejected downwards along the inner wall of the launching tube 2 under the elastic action, the injection component pierces the skin of the large arm, and the injection component and the launching tube 2 are combined into a whole under the action of the fixing part; handheld bucket 1 continues down, and the liquid medicine injection of pressing part in with the injection subassembly is to the human body, and the injection back of finishing makes handheld bucket 1 inside the same with ambient pressure through the relief pressure valve, and the integrated device of being convenient for takes off from the arm, will hand 1 of bucket outwards pulls out, and handheld bucket 1 drives the injection subassembly through launching tube 2 and breaks away from the patient arm. The patient only needs the one hand to hold this device and just can accomplish the operation to the opposite side arm injection treatment, can accomplish two people through the action of pushing down and extracting and extrude arm skin, injects the liquid medicine, extracts the operation of injection subassembly, and convenient operation uses manpower sparingly, has solved the single problem that can't accomplish the arm injection treatment of patient.

Further optimization scheme, injection assembly includes needle tubing 9, and 9 lateral wall bottoms of needle tubing and launch section of thick bamboo 2 sliding connection, 9 inner wall sliding connection of needle tubing have a push rod 11, and push rod 11 corresponds the setting with pressing the splenium position, and 9 bottoms of needle tubing intercommunication have syringe needle 12, and 9 tops of needle tubing and 7 bottoms elastic connection of piston, 9 lateral wall tops of needle tubing and launch section of thick bamboo 2 joint each other. The liquid medicine is placed between the needle tube 9 and the push rod 11, and the push rod 11 descends to extrude the liquid medicine out of the needle head 12.

According to the further optimized scheme, the symmetrically-arranged sliding blocks 10 are fixedly connected to the side wall of the needle tube 9, the symmetrically-arranged sliding grooves 5 are formed in the inner wall of the launching tube 2, the sliding grooves 5 are connected with the sliding blocks 10 in a sliding mode, and a fixing portion is arranged between any sliding block 10 and the launching tube 2. Slider 10 can freely slide in spout 5, and the injection subassembly of being convenient for is installed in launch canister 2, and slider 10 plays limiting displacement with the cooperation of spout 5 simultaneously, is favorable to the block of injection subassembly and launch canister 2.

Further optimize the scheme, the top rigid coupling of needle tubing 9 has T type connecting plate 8, and the rigid coupling of piston 7 bottom has first spring 6, and first spring 6 bottom sets up with 8 top contacts of T type connecting plate. The first spring 6 provides elasticity for ejection of the injection assembly, after the injection assembly is installed inside the launching tube 2, the first spring 6 is in a compressed state, and after the injection assembly is unlocked with the launching tube 2, the first spring 6 releases elastic potential energy to eject the injection assembly, so that the needle head 12 is completely penetrated into the skin of a human body.

According to the further optimization scheme, the second connecting hook 15 is fixedly connected to the side wall of the needle tube 9, a square hole is formed in the side wall of the launching tube 2, the first connecting hook 13 is fixedly connected to the top surface of the square hole, the first connecting hook 13 is connected with the second connecting hook 15 in a hooking mode, and the first connecting hook 13 is matched with the unlocking portion. The square hole plays the effect of the handheld bucket 1 of intercommunication and launching tube 2, also play the effect of stepping down when first connection colludes 13 action, the intercommunication of handheld bucket 1 and launching tube 2 is not restricted to the setting in square hole, also can set up the hole realization through arbitrary position in launching tube 2 lateral wall top, the surface that first connection colludes 13 and second connection colludes 15 contact mutually before colluding the connection is the inclined plane, be favorable to reducing the deformation that first connection colludes 13 and second connection colludes 15 and produce, be favorable to first connection colluding 13 and the extension of second connection colluding 15 life, the contact surface that first connection colludes 13 and second connection collude 15 after linking is the plane, be favorable to colluding the fastness of linking with convenient when breaking away from fast, it can make first connection collude 13 lower extreme and keep away from the motion of second connection colluding 15 to separate from of first connection colluding 13 and second connection colluding 15 to realize.

Further optimize the scheme, unblock portion includes unblock clamp plate 4, and unblock clamp plate 4 one end and 1 inner wall rigid coupling of handheld bucket, the other end rigid coupling of unblock clamp plate 4 have an unblock post 30, and slide 14 has been seted up to first hookup 13 lateral wall, and slide 14 middle part is protruding to 15 one sides of second hookup, unblock post 30 and slide 14 sliding connection. Unblock clamp plate 4 is along with handheld bucket 1 is descending together, and the unblock post 30 of unblock clamp plate 4 tip can get into slide 14, and the motion of vertical direction is all the time to unblock post 30, and unblock post 30 drives first connecting hook 13 and to keeping away from the motion of second connecting hook 15 one side when moving the protruding position in the middle part of slide 14, realizes breaking away from of first connecting hook 13 and second connecting hook 15.

According to a further optimized scheme, the pressing part comprises two injection pressing plates 3 which are symmetrically arranged, one ends of the two injection pressing plates 3, which are far away from each other, are fixedly connected with the interior of the handheld barrel 1, and one ends of the two injection pressing plates 3, which are close to each other, are located above the push rod 11. The distance between the two injection pressing plates 3 close to one end is larger than the width of the T-shaped connecting plate 8 and smaller than the width of the top of the push rod 11, the two injection pressing plates 3 are contacted with the top of the push rod 11 in the downward moving process of the handheld barrel 1, the two injection pressing plates 3 continue to move downwards, and the push rod 11 is pushed to inject the liquid medicine into the arm.

Further optimize the scheme, the relief pressure valve includes with 1 lateral wall sliding connection's of handheld bucket press post 20, press post 20 to be close to 1 inner wall one end rigid coupling of handheld bucket and have second spring 22, and through-hole 23 has been seted up to 1 inner wall of handheld bucket, press the inside air flue 21 of having seted up of post 20, air flue 21 one end corresponds with through-hole 23 position, the air flue 21 other end and outside air intercommunication. The patient's finger presses and presses the pressing post 20, presses the pressing post 20 to handheld bucket 1 middle part removal to make air flue 21 and through-hole 23 intercommunication, realize the balance of the inside and outside atmospheric pressure of handheld bucket 1, the finger loosens the back, resets under the effect of second spring 22 elasticity.

Further optimize the scheme, the fixed part includes the first recess 16 of seting up in arbitrary slider 10 lateral wall, and launch section of thick bamboo 2 lateral wall sliding connection has first pin 17, and first pin 17 limit portion passes through second spring 18 elastic connection with launch section of thick bamboo 2 lateral wall. The skin in-process is pierced to syringe needle 12, slider 10 lateral wall extrudees first pin 17 to the launch canister 2 inner wall in, when first recess 16 was through first pin 17 position, first pin 17 enters into first recess 16 under the effect of second spring 18 pulling force, realize slider 10 and launch canister 2 fixed, prevent that injection pressing plate 3 oppresses and presses the post 20 in-process, apply pressure at patient's arm, cause the patient to be uncomfortable, at the pull-out integrated device in-process simultaneously, can drive the injection subassembly and extract together.

In a further optimized scheme, the top of the handheld barrel 1 is provided with an air hole 24. The air vent 24 is used to vent air from the upper chamber during upward movement of the piston 7 relative to the hand held bucket 1.

The working process of the embodiment is as follows: the hand of a patient grasps the handheld barrel 1, the flexible ring 19 is abutted against the large arm, pressure is applied to the large arm, the launching barrel 2 pushes the piston 7 to slide upwards along the inner wall of the handheld barrel 1, the volume of the lower cavity is increased, the total amount of air in the lower cavity is unchanged, negative pressure is formed in the lower cavity, negative pressure is formed in the launching barrel 2 due to the fact that the inner wall of the launching barrel 2 is communicated with the inside of the handheld barrel 1, the flexible ring 19 on the lower edge of the launching barrel 2 is tightly attached to the skin of the large arm, the skin and the fat layer of the large arm are sucked outwards by the negative pressure, the arc end of the flexible ring 19 is attached to the skin, the sealing performance of the contact part of the skin and the flexible ring 19 is improved, the indentation and the pain of the skin are relieved, and the effect that the skin cannot be pinched by hands is achieved; the handheld barrel 1 continues to move downwards, the unlocking column 30 at the end of the unlocking pressing plate 4 enters the slide way 14, the unlocking column 30 always moves in the vertical direction, when the unlocking column 30 moves to a protruding part in the middle of the slide way 14, the first connecting hook 13 is driven to move towards one side far away from the second connecting hook 15, the first connecting hook 13 and the second connecting hook 15 are separated, after the first connecting hook 13 and the second connecting hook 15 are separated, the sliding block 10 is ejected downwards in the sliding groove 5 under the elastic action of the first spring 6, the side wall of the sliding block 10 extrudes the first pin 17 to the inner wall of the launching tube 2, when the first groove 16 passes through the position of the first pin 17, the first pin 17 enters the first groove 16 under the tension action of the second spring 18, the sliding block 10 and the launching tube 2 are fixed, and meanwhile, the needle 12 penetrates into the skin of a large arm; handheld bucket 1 continues down, and two injection clamp plates 3 move down the in-process along with handheld bucket 1 and contact with push rod 11 top, and two injection clamp plates 3 continue down, promote push rod 11 with the liquid medicine injection in taking the arm, inject and finish the back and make handheld bucket 1 inside the same with ambient pressure through the relief pressure valve, the integrated device of being convenient for takes off from the arm, outwards pulls out handheld bucket 1, handheld bucket 1 drives injection assembly through launching tube 2 and breaks away from patient's arm. The patient only needs the one hand to hold this device and just can accomplish the operation to the opposite side arm injection treatment, can accomplish two people through the action of pushing down and extracting and extrude arm skin, injects the liquid medicine, extracts the operation of injection subassembly, and convenient operation uses manpower sparingly, has solved the single problem that can't accomplish the arm injection treatment of patient.

Example 2

Referring to fig. 11 to 12, the difference between this embodiment and embodiment 1 is only that the upper end of the piston 7 is fixedly connected with a sliding column 25, the sliding column 25 extends out of the top of the handheld barrel 1, the top of the handheld barrel 1 is fixedly connected with a fixed seat 27, a second pin 29 is slidably connected to a side wall of the fixed seat 27, the middle of the second pin 29 is elastically connected to a side wall of the fixed seat 27 through a third spring 28, the second pin 29 is provided with a clamping connector, one side of the sliding column 25, which is close to the second pin 29, is provided with a plurality of vertically arranged clamping grooves 26, the clamping grooves 26 are connected with the clamping connector in a matching manner, and a contact surface between the clamping connector and the clamping grooves 26 is an inclined surface that inclines upward. In the continuous card of the in-process joint head that is descending at handheld bucket 1 is in the draw-in groove 26 of vertical arrangement, upwards pull out after the injection finishes, when handheld bucket 1, realize the simultaneous movement of handheld bucket 1 and traveller 25 through draw-in groove 26 and the cooperation of joint head, and then the integrated device simultaneous movement need not to wait to move on handheld bucket 1 and relief pressure valve and piston 7 contact, can realize pulling out of syringe needle 12, make pulling out of syringe needle 12 more convenient.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (10)

1. A novel diabetes injection treatment device, which is characterized in that: comprises a handheld barrel (1), wherein the inner wall of the handheld barrel (1) is connected with a piston (7) in a sliding manner, the piston (7) separates the handheld barrel (1) into an upper cavity and a lower cavity, the upper cavity is communicated with the outside air, the lower cavity is a sealing structure, a launching tube (2) is fixedly connected to the bottom end of the piston (7), the side wall of the launching tube (2) is connected with the bottom of the handheld barrel (1) in a sliding manner, the bottom end of the launching tube (2) extends out of the bottom end of the handheld barrel (1), the inner wall of the launching tube (2) is communicated with the inside of the handheld barrel (1), an injection component is slidably connected to the inner wall of the launching tube (2), the top of the injection component is connected with the bottom of the piston (7) in an elastic manner, the side wall of the injection component is mutually clamped with the launching tube (2), and an unlocking part and a pressing part are fixedly connected to the inner wall of the handheld barrel (1), the unlocking part is used for unlocking the injection assembly and the launching tube (2) after clamping, the pressing part is used for injecting liquid medicine into the injection assembly, the side wall of the handheld barrel (1) is provided with a pressure reducing valve, and a fixing part is arranged between the side wall of the injection assembly and the launching tube (2).

2. The injection therapy device for diabetes according to claim 1, characterized in that: the injection assembly comprises a needle tube (9), the bottom of the side wall of the needle tube (9) is connected with the emission tube (2) in a sliding mode, the inner wall of the needle tube (9) is connected with a push rod (11) in a sliding mode, the push rod (11) is correspondingly arranged at the pressing part, the bottom of the needle tube (9) is communicated with a needle head (12), the top of the needle tube (9) is connected with the bottom of a piston (7) in an elastic mode, and the top of the side wall of the needle tube (9) is connected with the emission tube (2) in a mutually clamped mode.

3. The novel diabetes injection treatment device according to claim 2, characterized in that: the needle tubing (9) lateral wall rigid coupling has slider (10) that the symmetry set up, spout (5) that the symmetry set up are seted up to launching tube (2) inner wall, spout (5) with slider (10) sliding connection, arbitrary slider (10) with be provided with between launching tube (2) the fixed part.

4. The novel diabetes injection treatment device according to claim 2, characterized in that: the needle tubing (9) top rigid coupling has T type connecting plate (8), piston (7) bottom rigid coupling has first spring (6), first spring (6) bottom with T type connecting plate (8) top contact sets up.

5. The injection therapy device for diabetes according to claim 2, characterized in that: the syringe (9) lateral wall rigid coupling has second to connect and colludes (15), the square hole has been seted up to launching tube (2) lateral wall, square hole top surface rigid coupling has first connection to collude (13), first connection collude (13) with second connection colludes (15) and colludes and link, first connection collude (13) with it sets up to separate the lock portion cooperation.

6. The injection therapy device for diabetes according to claim 5, characterized in that: the unlocking part comprises an unlocking pressing plate (4), one end of the unlocking pressing plate (4) is fixedly connected with the inner wall of the handheld barrel (1), the other end of the unlocking pressing plate (4) is fixedly connected with an unlocking column (30), a slide (14) is arranged on the side wall of the first connecting hook (13), the middle of the slide (14) is convex on one side of the second connecting hook (15), and the unlocking column (30) is connected with the slide (14) in a sliding manner.

7. The injection therapy device for diabetes according to claim 2, characterized in that: the pressing part comprises injection pressing plates (3) which are symmetrically arranged, one ends of the injection pressing plates (3) which are far away from each other are fixedly connected with the interior of the handheld barrel (1), and one ends of the injection pressing plates (3) which are close to each other are positioned above the push rod (11).

8. The injection therapy device for diabetes according to claim 1, characterized in that: the relief pressure valve include with handheld bucket (1) lateral wall sliding connection press post (20), press post (20) to be close to handheld bucket (1) inner wall one end rigid coupling has second spring (22), through-hole (23) have been seted up to handheld bucket (1) inner wall, press post (20) inside air flue (21) have been seted up, air flue (21) one end with through-hole (23) position corresponds, air flue (21) other end and outside air intercommunication.

9. The injection therapy device for diabetes according to claim 3, characterized in that: the fixing part comprises a first groove (16) formed in the side wall of the sliding block (10), a first pin (17) is connected to the side wall of the launching tube (2) in a sliding mode, and the edge of the first pin (17) is elastically connected with the side wall of the launching tube (2) through a second spring (18).

10. The injection therapy device for diabetes according to claim 1, characterized in that: the top of the handheld barrel (1) is provided with an air hole (24).

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