Insulin dosage regulator

Abstract

The utility model discloses an insulin dosage regulator, and relates to the technical field of medical instruments. Comprising an injection tube, a refill frame is installed at the end of the injection tube in a threaded mode, an observation window is formed in the injection tube in a penetrating mode, a ruler is arranged beside the observation window, a bearing is fixedly arranged in the injection tube, a rotating cylinder is fixedly sleeved with an inner ring of the bearing, and an adjusting tube is sleeved with the surface of the rotating cylinder in a threaded mode; a rotary cover is fixedly installed at the end of the adjusting pipe, a pressing head is slidably connected to the surface of the rotary cover in a penetrating and sleeving mode, a push rod is fixedly installed at the end of the pressing head, the push rod penetrates and slides at the end of the adjusting pipe, and a baffle fixedly sleeves the surface of the push rod, slidably sleeves the inner wall of the rotating cylinder and is attached to the inner wall of the adjusting pipe; a push plate is fixedly installed at the end, away from the pressing head, of the push rod. The device can be automatically stopped after injection of the required amount, and the situation that excessive injection affects the body health of a child patient is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially, relate to a kind of insulin dose adjuster. BACKGROUND

[0002] Child diabetes, especially type 1 diabetes, is a chronic disease caused by insufficient insulin secretion. Such children need to rely on exogenous insulin for life to control blood glucose levels to avoid long-term complications such as cardiovascular disease, retinopathy, neuropathy and kidney disease caused by hyperglycemia.

[0003] During the treatment of children with diabetes, the dosage of insulin is crucial. Insufficient dosage cannot effectively control blood glucose, which may lead to metabolic disorders and affect the health and growth of children. Excessive dosage may cause hypoglycemia, which directly endangers the life of the child.

[0004] Therefore, designing an insulin dose adjuster is of great significance for the treatment of child diabetes. SUMMARY

[0005] The utility model aims at providing an insulin dose adjuster, which solves the above-mentioned technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an insulin dose adjuster, comprising a syringe, a pen core holder is screw-mounted at the end of the syringe, an observation window is provided on the surface of the syringe, a scale is provided beside the observation window, a bearing is fixedly arranged inside the syringe, a rotating cylinder is fixedly sleeved on the inner ring of the bearing, an adjusting tube is screw-sleeved on the surface of the rotating cylinder, a screw cap is fixedly installed at the end of the adjusting tube, a pressing head is slidingly sleeved on the surface of the screw cap, a push rod is fixedly installed at the end of the pressing head, the push rod slidingly penetrates the end of the adjusting tube, a baffle is fixedly sleeved on the surface of the push rod, the baffle slidingly sleeves the inner wall of the rotating cylinder and abuts against the inner wall of the adjusting tube, and a push plate is fixedly installed at the end of the push rod away from the pressing head.

[0007] Preferably, a limiting groove is concavely arranged on the inner wall of the syringe, a sliding block is slidingly sleeved on the inner wall of the limiting groove, the sliding block is fixedly installed on the surface of the adjusting tube, a pointer is fixedly installed on the surface of the adjusting tube, the pointer slidingly sleeves the inner wall of the observation window, and the two ends of the pointer correspond to the scale.

[0008] Preferably, a semicircular clamping groove is concavely arranged on the end of the syringe away from the pen core holder, the semicircular clamping grooves are annularly arranged on the end surface of the syringe, a semicircular clamping head is fixedly installed on the surface of the screw cap, the semicircular clamping heads are annularly arranged on the surface of the screw cap, and the semicircular clamping heads and the semicircular clamping grooves are elastically clamped together.

[0009] Preferably, the pressing head is fixed with a semicircular rubber pad away from the end of the push rod.

[0010] Compared with the related art, the insulin dose adjuster has the following beneficial effects:

[0011] The insulin dose adjuster comprises a pen core frame, an injection tube, an observation window, a scale, an adjusting tube, a pointer, a rotating cap, a pressing head, a rotating cylinder, a push rod, a push plate, a semicircular clamping head, a bearing, a limiting groove, a sliding block, a baffle and a semicircular clamping groove.

[0012] When the rotating cap is rotated to drive the adjusting tube to move for quantitative injection, the semicircular clamping head is deformed to be separated from the clamping state with the semicircular clamping groove, so that the rotating cap can be kept stable by the clamping of the semicircular clamping groove and the semicircular clamping head when the rotating cap is stopped, and the deviation of injection accuracy caused by accidental rotation of the rotating cap is avoided, the stability of the device is effectively improved, and the injection accuracy is increased. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a whole structure schematic view of the utility model;

[0014] Fig. 2 It is an injection tube structure sectional view of the utility model;

[0015] Fig. 3 It is a rotating cylinder structure sectional exploded view of the utility model.

[0016] In the drawing: 1, injection tube, 11, pen core frame, 12, observation window, 13, scale, 14, adjusting tube, 15, pointer, 16, rotating cap, 17, pressing head, 18, rotating cylinder, 19, push rod, 2, push plate, 21, semicircular clamping head, 22, bearing, 23, limiting groove, 24, sliding block, 25, baffle, 26, semicircular clamping groove. DETAILED DESCRIPTION

[0017] Please refer to Figs. 1-3The utility model provides a technical scheme, including injection pipe 1, the injection pipe 1 end portion is equipped with refill frame 11 with the thread, the injection pipe 1 surface is equipped with observation window 12 and is penetrated, the observation window 12 side is equipped with scale 13, the bearing 22 is fixed with inside the injection pipe 1, the inner ring of bearing 22 is fixed with rotating cylinder 18, the rotating cylinder 18 surface is equipped with adjusting tube 14 with the thread, adjusting tube 14 end portion is fixedly installed with screw cap 16, the screw cap 16 surface is equipped with pressing head 17 and is penetrated and slides, and the pressing head 17 end portion is fixedly installed with push rod 19, and push rod 19 is penetrated and slides in adjusting tube 14 end portion, and push rod 19 surface is fixed with baffle 25 and slides, and baffle 25 slides in the inner wall of rotating cylinder 18 and is pasted adjusting tube 14 inner wall, and the one end of push rod 19 is fixedly installed with push plate 2 away from pressing head 17, the injection pipe 1 inner wall is recessed and is equipped with limit groove 23, and the sliding sleeve of limit groove 23 inner wall is equipped with sliding block 24, and sliding block 24 is fixedly installed in adjusting tube 14 surface, and adjusting tube 14 surface is fixedly installed with pointer 15, and pointer 15 sliding sleeve is in the inner wall of observation window 12, and the both ends of pointer 15 correspond with scale 13,

[0018] Firstly, the insulin pipe body to be injected is placed in the refill frame 11, then the refill frame 11 is screwed on the end of the injection pipe 1, then the screw cap 16 is rotated to rotate the rotating cylinder 18, thereby driving the adjusting tube 14 screwed with the rotating cylinder 18 to rotate, and the sliding block 24 and the limit groove 23 are slidably sleeved to limit the adjusting tube 14 to move horizontally, thereby driving the pointer 15 to slide in the inner wall of the observation window 12, and the insulin injection amount is determined according to the position of the pointer 15 on the scale 13, then the pressing head 17 is pressed to drive the push rod 19 to move, thereby driving the baffle 25 and the push plate 2 to move, the piston in the insulin pipe body is extruded by the push plate 2 to realize injection, and when the baffle 25 moves to the end of the inner wall of the adjusting tube 14 and is attached thereto, the baffle 25 limits the movement of the push plate 2 to stop extruding the piston, thereby stopping the injection, so that the device can automatically stop after injecting the required amount, avoiding over-injection and affecting the health of the child.

[0019] The end of the injection pipe 1 away from the refill frame 11 is recessed to form a semicircular clamping groove 26, the semicircular clamping groove 26 is arranged in an annular array on the end face of the injection pipe 1, the screw cap 16 is fixedly installed with a plurality of semicircular clamping heads 21 on the surface thereof, the semicircular clamping heads 21 are arranged in an annular array on the surface of the screw cap 16, and the semicircular clamping heads 21 are elastically clamped with the semicircular clamping groove 26;

[0020] When the rotating cap 16 rotates to drive the adjusting tube 14 to move for quantitative injection, the semicircular clamping head 21 is extruded to be deformed to be separated from the semicircular clamping groove 26, so that when the rotating cap 16 stops rotating, the semicircular clamping head 21 can be clamped by the semicircular clamping groove 26 to be stable, avoiding the deviation of injection accuracy caused by accidental rotation of the rotating cap 16, effectively improving the stability of the device and increasing the injection accuracy.

[0021] The semicircular rubber pad is arranged at the end of the pressing head 17 away from the push rod 19, so that the user is more comfortable when pressing the pressing head 17, and the friction is increased to make the injection process more stable.

Claims

1. An insulin dose adjuster comprising an injection tube (1), characterized in that: The injection tube (1) end threaded mounting of the pen core frame (11), the injection tube (1) surface is provided with an observation window (12), the observation window (12) side is provided with a scale (13), the injection tube (1) inside fixedly provided with bearing (22), the inner ring of the bearing (22) is fixedly sleeved with rotating cylinder (18), the surface of the rotating cylinder (18) is threaded with adjusting tube (14), the end of the adjusting tube (14) is fixedly installed with screw cap (16), the surface of the screw cap (16) is slidably sleeved with pressing head (17), the end of the pressing head (17) is fixedly installed with push rod (19), the push rod (19) is slidably sleeved in the end of the adjusting tube (14), the surface of the push rod (19) is fixedly sleeved with baffle (25), the baffle (25) is slidably sleeved in the inner wall of the rotating cylinder (18) and is attached to the inner wall of the adjusting tube (14), the end of the push rod (19) away from the pressing head (17) is fixedly installed with push plate (2).

2. An insulin dose adjuster according to claim 1, characterized in that: The inner wall of the injection tube (1) is concave and provided with a limiting groove (23), the limiting groove (23) is slidably sleeved with a sliding block (24), the sliding block (24) is fixedly installed on the surface of the adjusting tube (14), the adjusting tube (14) is fixedly installed with a pointer (15), the pointer (15) is slidably sleeved in the inner wall of the observation window (12), the two ends of the pointer (15) correspond to the scale (13).

3. An insulin dose adjuster according to claim 2, characterized in that: The end of the injection tube (1) away from the pen core frame (11) is concave and provided with a semicircular clamping groove (26), the semicircular clamping groove (26) is annularly arranged on the end surface of the injection tube (1), the surface of the screw cap (16) is fixedly installed with a semicircular clamping head (21), the semicircular clamping head (21) is annularly arranged on the surface of the screw cap (16), and the semicircular clamping head (21) is elastically clamped with the semicircular clamping groove (26).

4. An insulin dose adjuster according to claim 3, characterized in that: The end of the pressing head (17) away from the push rod (19) is fixedly provided with a semicircular rubber pad.

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