CN115154746A - Chip-level driving insulin pump - Google Patents

Abstract

The invention discloses a chip-level driving insulin pump, which comprises an injection assembly, an execution assembly, a chip-level electromagnetic driving assembly, a control main board assembly and an energy supply assembly, wherein the injection assembly is used for injecting liquid medicine into a patient body, the execution assembly is connected with the injection assembly and is used for driving the injection assembly to work, the chip-level electromagnetic driving assembly is correspondingly arranged with the execution assembly and is used for driving the execution assembly to work in an electromagnetic driving mode, the control main board assembly is connected with the chip-level electromagnetic driving assembly and is used for controlling the chip-level electromagnetic driving assembly to work, and the energy supply assembly is electrically connected with the control main board assembly and is used for providing energy; the chip-level electromagnetic driving assembly comprises a base body assembly, a U-shaped iron core arranged in the base body assembly and a conductive winding which is formed by post-pouring and wound outside the U-shaped iron core, and the conductive winding is electrically connected with the control main board assembly.

Description

Chip-level driving insulin pump

Technical Field

The invention relates to the technical field of medical equipment, in particular to a chip-level driven insulin pump.

Background

The insulin pump mediates the patient according to the characteristics of physiological secretion of insulin at different time by simulating the physiological insulin secretion mode, so that the insulin pump is more humanized for treating the diabetic patient and more conforms to the treatment mode of the physiological insulin secretion mode.

However, the driving part of the existing insulin pump usually adopts motor drive or memory alloy drive, the motor drive needs to use a motor with a relatively complex structure, and miniaturization is very difficult, therefore, the occupied space of the motor is relatively large, so that the insulin pump has a large volume, poor concealment, and is inconvenient to carry, and is easy to suffer from different peripheral sights, the number of parts for the patient to select to inject is small, and the manufacturing cost of the motor is high, if the memory alloy drive is adopted, the memory alloy drive provides driving power through the deformation amount of the memory alloy subjected to thermal deformation, the deformation amount is too small, enough driving power drive work may not be provided, the deformation amount is too large, the occupied space of the corresponding memory alloy can also be increased, and then the problems of large volume, poor concealment, and inconvenient carrying and the like of the insulin pump also exist.

Disclosure of Invention

The invention provides a chip-level driving insulin pump, which aims to solve the technical problems of large volume, poor concealment and inconvenience in carrying of the existing insulin pump due to the fact that the existing insulin pump is limited by a driving part.

According to one aspect of the invention, a chip-level driving insulin pump is provided, which comprises an injection component for injecting liquid medicine into a patient, an execution component connected with the injection component and used for driving the injection component to work, a chip-level electromagnetic driving component arranged corresponding to the execution component and used for driving the execution component to work in an electromagnetic driving mode, a control main board component connected with the chip-level electromagnetic driving component and used for controlling the chip-level electromagnetic driving component to work, and an energy supply component electrically connected with the control main board component and used for providing energy; the chip-level electromagnetic driving assembly comprises a base body assembly, a U-shaped iron core embedded in the base body assembly and a conductive winding which is formed by post-pouring and wound outside the U-shaped iron core, and the conductive winding is electrically connected with the control main board assembly.

As a further improvement of the above technical solution:

further, the base member subassembly includes first base member and second base member, first base member forms the first half spiral hole groove of duplex winding outside locating first half U-shaped groove including the first half U-shaped groove that the sculpture formed and sculpture, the second base member forms the second half spiral hole groove of duplex winding outside locating second half U-shaped groove including the second half U-shaped groove that the sculpture formed and sculpture, first base member and the relative lock of second base member, so that the relative lock of first half U-shaped groove and second half U-shaped groove closes the U-shaped groove that forms and hold the U-shaped iron core, and make first half spiral hole groove and second half spiral hole groove communicate each other and close the spiral hole groove that forms and be used for the back to pour into a mould the formation conductive winding.

Furthermore, the executing assembly comprises a first bearing seat, a second bearing seat, a ratchet mechanism, an executing screw rod and a swinging piece, wherein the ratchet mechanism is rotatably arranged in the first bearing seat and the second bearing seat, the executing screw rod is axially movably arranged in the ratchet mechanism and is connected with the injection assembly, the swinging piece is rotatably arranged and is respectively arranged corresponding to the ratchet mechanism and the U-shaped iron core and used for swinging in a reciprocating mode under the action of magnetic force of the U-shaped iron core so as to drive the ratchet mechanism to rotate in a stepping mode, the U-shaped iron core comprises two magnetic poles with opposite directions, and the main board assembly is controlled to change the current flow direction in the conductive winding according to preset frequency so as to change the directions and magnetism of the two magnetic poles and further drive the swinging piece to swing in a reciprocating mode.

Further, first base member is equipped with the installation department that extends the formation towards the executive component, and the second base member is equipped with a plurality of spacing archs that extend the formation towards the executive component, and a plurality of spacing archs interval are arranged and are enclosed with the installation department and form spacing chamber, and the swinging member rotationally lays on the installation department and is located spacing intracavity.

Furthermore, the swinging piece comprises a magnetic suction part which is arranged in an extending area between the two magnetic poles and is used for swinging back and forth along with the direction change of the two magnetic poles, and a pushing part which is arranged corresponding to the ratchet mechanism and is used for pushing the ratchet mechanism to rotate step by step along with the back and forth swinging of the magnetic suction part.

Furthermore, the execution assembly further comprises a first supporting seat connected with the first bearing seat and arranged close to the base body assembly and a second supporting seat connected with the second bearing seat and arranged far away from the base body assembly, the magnetic suction part is arranged on the first supporting seat in a swinging mode, and the end part, far away from the magnetic suction part, of the swinging part is arranged on the second supporting seat in a rotating mode.

Further, chip level drive insulin pump still includes first casing and pegs graft in the second casing of first casing, and energy supply subassembly, control mainboard subassembly, chip level electromagnetic drive subassembly and executive component lay in first casing, and the injection subassembly is laid in the second casing, and the execution lead screw can be dismantled with the injection subassembly and be used for stretching out to support and push away the injection subassembly in order to inject the liquid medicine in the patient.

Furthermore, the chip-level driving insulin pump also comprises a reset mechanism which is detachably connected with the ratchet mechanism and the execution screw respectively so as to enable the execution screw to contract and reset after extending and pushing.

Furthermore, the ratchet mechanism comprises a rotating shaft which is rotatably arranged in the first bearing seat and the second bearing seat, and a ratchet which is fixedly sleeved outside the rotating shaft and is correspondingly arranged with the swinging piece, wherein the rotating shaft is axially provided with a connecting cavity which is in threaded connection with the execution screw rod.

Further, chip level electromagnetic drive subassembly and energy supply subassembly are installed on the control mainboard subassembly.

The invention has the following beneficial effects:

when liquid medicine needs to be injected into a patient, the chip-level electromagnetic driving assembly is controlled to work by the control main board assembly, the execution assembly is driven to work in an electromagnetic driving mode, the injection assembly is driven to inject the liquid medicine into the patient, liquid medicine injection treatment on the patient is achieved, and the energy supply assembly provides working electric energy for the control main board assembly and the chip-level electromagnetic driving assembly in the injection process; form conductive winding through inserting U-shaped iron core and pouring in the base member subassembly, realize obtaining simple structure, small chip level electromagnetic drive subassembly, make insulin pump's miniaturization also easily realize, can obtain small insulin pump, this scheme passes through the base member subassembly, U-shaped iron core and conductive winding provide electromagnetic force when for the miniaturized structure basis that provides of chip level electromagnetic drive subassembly, rethread energy supply subassembly, control mainboard subassembly, chip level electromagnetic drive subassembly, executive component and executive component mutually cooperate and realize electromagnetic drive insulin pump work, for motor drive and the memory alloy drive among the prior art, moreover, the steam generator is simple in structure, small in size, disguised good, and convenient for carrying, and electromagnetic drive makes power take off more stable, and direct, reliable, be favorable to accurate control to patient's insulin injection volume, guarantee patient's healthy, simultaneously chip level electromagnetic drive subassembly and energy supply subassembly can integrate on the mainboard, occupation space is littleer, realize the miniaturization, the design, be convenient for dress and portable, burden to the patient is littleer, also be favorable to practicing thrift the cost.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the structure of a chip-scale driven insulin pump according to the preferred embodiment of the present invention;

FIG. 2 is an exploded view of the chip-scale driven insulin pump of FIG. 1;

FIG. 3 is a perspective view of an actuator assembly of the chip-scale insulin pump according to the preferred embodiment of the present invention;

fig. 4 is an exploded view of the execution assembly shown in fig. 3.

Illustration of the drawings:

1. an injection assembly; 2. an execution component; 21. a first bearing housing; 22. a second bearing housing; 23. a ratchet mechanism; 231. a rotating shaft; 232. a ratchet wheel; 24. executing a screw rod; 25. a swinging member; 251. a magnetic suction part; 252. a pushing part; 26. a first support base; 27. a second support seat; 3. a chip-scale electromagnetic drive component; 31. a base member; 4. controlling the main board assembly; 5. an energy supply assembly; 6. a first housing; 7. a second housing.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be practiced in many different ways, which are defined and covered by the following.

FIG. 1 is a schematic diagram of the structure of a chip-scale driven insulin pump according to the preferred embodiment of the present invention; FIG. 2 is an exploded view of the chip-scale driven insulin pump of FIG. 1; FIG. 3 is a perspective view of an actuator assembly in the chip-scale driven insulin pump according to the preferred embodiment of the present invention; fig. 4 is an exploded view of the execution assembly shown in fig. 3.

As shown in fig. 1 and fig. 2, the chip-level driven insulin pump of the present embodiment includes an injection component 1 for injecting a liquid medicine into a patient, an execution component 2 connected to the injection component 1 for driving the injection component 1 to operate, a chip-level electromagnetic driving component 3 arranged corresponding to the execution component 2 for driving the execution component 2 to operate in an electromagnetic driving manner, a control motherboard component 4 connected to the chip-level electromagnetic driving component 3 for controlling the chip-level electromagnetic driving component 3 to operate, and an energy supply component 5 electrically connected to the control motherboard component 4 for providing energy; the chip-level electromagnetic driving assembly 3 comprises a base assembly 31, a U-shaped iron core arranged in the base assembly 31 and a conductive winding which is formed by post-pouring and wound outside the U-shaped iron core, and the conductive winding is electrically connected with the control main board assembly 4. Specifically, when liquid medicine needs to be injected into a patient, the chip-level electromagnetic driving component 3 is controlled to work through the control main board component 4, the execution component 2 is driven to work in an electromagnetic driving mode, the injection component 1 is driven to inject the liquid medicine into the patient, liquid medicine injection treatment on the patient is achieved, and the energy supply component 5 provides working electric energy for the control main board component 4 and the chip-level electromagnetic driving component 3 in the injection process; through inserting U-shaped iron core and pouring into in base member 31 and form conductive winding, the realization obtains simple structure, small chip level electromagnetic drive subassembly 3, insulin pump's miniaturization also easily realizes, can obtain small insulin pump, this scheme passes through base member 31, provide electromagnetic force for chip level electromagnetic drive subassembly 3 miniaturization while with conductive winding, rethread energy supply subassembly 5, control mainboard subassembly 4, chip level electromagnetic drive subassembly 3, execution module 2 and execution module 2 mutually cooperate and realize electromagnetic drive insulin pump work, for motor drive and memory alloy drive among the prior art, moreover, the steam generator is simple in structure, small, disguise good, and convenient to carry, and electromagnetic drive makes power output more stable, direct, reliable, be favorable to accurate control to patient's insulin injection volume, guarantee patient's healthy, simultaneously, level electromagnetic drive subassembly 3 and energy supply subassembly 5 can integrate on the mainboard, the occupation space is littleer, realize miniaturization design, it is convenient to dress and portable, burden to the patient is littleer, also be favorable to practicing thrift the cost.

In this embodiment, the base assembly 31 includes a first base and a second base, the first base includes a first half-spiral hole groove formed by etching and disposed outside the half-spiral groove, the second base includes a second half-spiral hole groove formed by etching and disposed outside the half-spiral groove, the first base and the second base are buckled relatively, so that the first half-spiral groove and the second half-spiral hole groove are buckled relatively and enclosed to form a U-shaped groove for accommodating the U-shaped iron core, and the first half-spiral hole groove and the second half-spiral hole groove are communicated with each other and enclosed to form a spiral hole groove for forming the conductive winding by post-casting. Specifically, a first half U-shaped groove, a first half spiral hole groove, a second half U-shaped groove and a second half spiral hole groove are etched on a first base body and a second base body respectively, then the first base body and the second base body are buckled oppositely to form a base body assembly, the U-shaped groove and the spiral hole groove are formed in a surrounding mode, a U-shaped iron core is inserted into the U-shaped groove, finally liquid alloy is led into the spiral hole groove, and the conductive winding is obtained after solidification. It should be understood that the casting process and the etching process belong to the well-known technologies of those skilled in the art, and the detailed description of the specific steps is not repeated.

As shown in fig. 3 and 4, in the present embodiment, the actuating assembly 2 includes a first bearing seat 21, a second bearing seat 22, a ratchet mechanism 23 rotatably disposed in the first bearing seat 21 and the second bearing seat 22, an actuating screw 24 movably disposed in the ratchet mechanism 23 along the axial direction and connected to the injection assembly 1, and a swinging member 25 rotatably disposed and respectively disposed corresponding to the ratchet mechanism 23 and the U-shaped iron core and configured to swing reciprocally under the magnetic force of the U-shaped iron core to drive the ratchet mechanism 23 to rotate step by step, the U-shaped iron core includes two magnetic poles with opposite directions, and the control main board assembly 4 is configured to change the current flow direction in the conductive winding according to a preset frequency to change the directions and magnetism of the two magnetic poles to drive the swinging member 25 to swing reciprocally. Specifically, the current is transmitted to the conductive winding, so that the U-shaped iron core generates a specific magnetic attraction and two magnetic poles with opposite directions, and further attracts a repulsive oscillating piece 25, so that the oscillating piece 25 oscillates in a direction close to one of the magnetic poles under the action of the magnetic force, at this time, the main board assembly 4 is controlled to change the positive and negative poles of the current output, and further change the directions of the two magnetic poles, so that the oscillating piece 25 oscillates in a direction close to the other magnetic pole under the action of the magnetic force, and based on the above working principle, the main board assembly 4 is controlled to change the directions of the two magnetic poles according to a preset frequency, so that the oscillating piece 25 oscillates in a reciprocating manner along with the change of the directions of the two magnetic poles, and further drives the ratchet mechanism 23 to rotate in a stepping manner, and the actuating screw rod 24 is driven to extend out of the abutting piece to work along the axial direction, thereby driving the injection assembly 1 to inject the liquid medicine into the patient. It should be understood that the preset frequency determines the frequency of the reciprocal oscillation of the oscillating member 25, and thus the injection speed of the liquid medicine, i.e. it can be adaptively adjusted according to the use requirements of the patient. Optionally, the preset frequency is 5 milliseconds/time, that is, the current flow direction of the conductive winding is changed every 5 milliseconds, so as to change the direction of the two magnetic poles on the U-shaped iron core, thereby realizing rapid injection of the liquid medicine. It should be understood that when the U-shaped core is in a rest state, the north-pointing pole is called a north pole, the south-pointing pole is called a south pole, and the change in pole pointing, i.e., changing a north pole to a south pole and a south pole to a north pole.

In this embodiment, the first base 31 is provided with an installation portion formed by extending towards the execution component 2, the second base 32 is provided with a plurality of limiting protrusions formed by extending towards the execution component 2, the limiting protrusions are arranged at intervals and surround the installation portion to form a limiting cavity, and the swinging member 25 is rotatably arranged on the installation portion and located in the limiting cavity. Specifically, the swinging piece 25 is driven to swing back and forth on the mounting part through the directional change of the two magnetic poles on the U-shaped iron core so as to drive the ratchet mechanism 23 to rotate in a stepping mode, then the swinging piece 25 is limited in the limiting cavity through the limiting bulge so as to limit the swinging range of the swinging piece 25, the swinging range of the swinging piece 25 is prevented from being too large to be separated from the corresponding area of the ratchet mechanism 23, and then the swinging piece is possibly blocked by interference of other parts, so that the stability of the reciprocating swing of the swinging piece 25 is ensured.

In this embodiment, the actuating assembly 2 further includes a mounting housing disposed between the first bearing seat 21 and the second bearing seat 22, the mounting housing includes a connecting column disposed along the height direction, and the swinging member 25 is rotatably sleeved on the connecting column. Specifically, the swing member 25 is driven to swing back and forth on the mounting housing by the change of the orientation of the two magnetic poles on the U-shaped iron core, so as to drive the ratchet mechanism 23 to rotate step by step.

As shown in fig. 4, in the present embodiment, the swinging member 25 includes a magnetic portion 251 disposed in an extending region between two magnetic poles for swinging reciprocally with the directional change of the two magnetic poles, and an abutting portion 252 disposed corresponding to the ratchet mechanism 23 for pushing the ratchet mechanism 23 to rotate step by step with the reciprocal swinging of the magnetic portion 251. Specifically, the magnetic part 251 swings back and forth with the change of the orientation of the two magnetic poles of the U-shaped iron core to drive the magnetic part to swing back and forth, so that the abutting part 252 abuts against the ratchet teeth to translate step by step along the tangential direction of the ratchet mechanism 23, thereby driving the ratchet mechanism 23 to rotate forward step by step, and meanwhile, the abutting part 252 abuts against the ratchet mechanism 23 to prevent the ratchet mechanism 23 from rotating backward; meanwhile, the magnetic suction part 251 is arranged in an extending area between the two magnetic poles, the magnetic suction part 251 of the swinging piece 25 cannot be obstructed and interfered by the magnetic poles in the swinging process, the swinging range is large, so that the swinging part has few structures, the swinging part is convenient to simplify and design in a light weight mode, the gravity of the swinging part can be ignored and ignored for the driving power of the chip-level electromagnetic driving component 3, the posture of the swinging part is different or changed along with the use of the insulin pump, and the influence on the chip-level electromagnetic driving component 3 is small. It should be understood that the extension area between the two poles refers to the area in which the middle area of the two poles extends towards the actuating assembly 2. Optionally, the end of the mounting housing far from the magnetic attraction part 251 is provided with a plurality of limiting posts arranged along the height direction of the mounting housing, the plurality of limiting posts are arranged at intervals along the length direction of the mounting housing to form a limiting gap, and the end of the swinging member 25 far from the magnetic attraction part 251 is provided with a limiting part which extends along the length direction of the swinging member 25 and extends into the limiting gap and is used for abutting against the limiting posts to limit the swinging range of the swinging member 25 in the swinging process of the swinging member 25; in the swinging process of the swinging piece 25, the limiting part swings synchronously, and the limiting part extends into the limiting gap to be abutted and limited by the limiting column, so that the swinging piece 25 can only swing in the limiting gap, the swinging range of the swinging piece 25 is correspondingly limited, the situation that the abutting and pushing part 252 is separated from the abutting and pushing area of the pawl mechanism due to the overlarge swinging range of the swinging piece 25 is avoided, the interference and the jamming of the pawl mechanism can be possibly caused, and the stability and the reliability of the movement of the swinging piece 25 are ensured.

As shown in fig. 3 and fig. 4, in the present embodiment, the actuating assembly 2 further includes a first supporting seat 26 connected to the first bearing seat 21 and disposed close to the base assembly 31, and a second supporting seat 27 connected to the second bearing seat 22 and disposed far from the base assembly 31, the magnetic attraction portion 251 is disposed on the first supporting seat 26 in a swinging manner, and an end portion of the swinging member 25 far from the magnetic attraction portion 251 is disposed on the second supporting seat 27 in a rotatable manner. Specifically, the swinging member 25 is driven by the U-shaped iron core to swing on the first supporting seat 26 and rotate relative to the second supporting seat 27, so as to push the ratchet mechanism 23 to rotate step by step. Optionally, an arc-shaped groove is formed in the magnetic part 251, a first connection hole arranged corresponding to the arc-shaped groove is formed in the first support seat 26, and the executing assembly 2 includes a first connection pin penetrating through the arc-shaped groove to extend into the first connection hole.

As shown in fig. 1, in this embodiment, the chip-scale driven insulin pump further includes a first housing 6 and a second housing 7 inserted into the first housing 6, the energy supply assembly 5, the control main board assembly 4, the chip-scale electromagnetic driving assembly 3 and the execution assembly 2 are disposed in the first housing 6, the injection assembly 1 is disposed in the second housing 7, and the execution screw 24 is detachably connected to the injection assembly 1 and used for extending and pushing the injection assembly 1 to inject the liquid medicine into the patient. Specifically, after the liquid medicine infusion is completed, the first shell 6 and the second shell 7 are disassembled, the second shell 7 is discarded by adopting a proper treatment mode, the first shell 6 is recycled, a patient only needs to purchase a new second shell 7 with relatively low cost to be spliced with the recycled first shell 6 for normal use, the method is economical and environment-friendly, the resource recycling is facilitated, and the used second shell 7 is discarded by adopting a proper treatment mode; through the first casing 6 and the second casing 7 of pegging graft and can dismantle the execution lead screw 24 and the injection subassembly 1 of connecting, realize the recycle to comparatively expensive energy supply subassembly 5, control mainboard subassembly 4 and chip level electromagnetic drive subassembly 3 in first casing 6 and the first casing 6, greatly reduced patient's used cost many times. Optionally, in another embodiment, the energy supply component 5, the control main board component 4 and the chip-scale electromagnetic driving component 3 are disposed in the first casing 6, and the injection component 1 and the execution component 2 are disposed in the second casing 7, so that recycling of the energy supply component 5, the control main board component 4 and the chip-scale electromagnetic driving component 3 in the first casing 6 can be realized. Optionally, in another embodiment, the execution lead screw 24 is fixedly connected with the injection assembly 1, and the execution lead screw 24 is detachably connected with the execution assembly 2, so that the energy supply assembly 5, the control main board assembly 4, the chip-level electromagnetic driving assembly 3 and the execution assembly 2 without the execution lead screw 24 in the first housing 6 can be recycled.

In this embodiment, the chip-level driven insulin pump further comprises a reset mechanism detachably connected to the ratchet mechanism 23 and the actuating screw 24 respectively for retracting and resetting the actuating screw 24 after being extended and pushed. Specifically, the execution screw rod 24 extends out and is pushed to contract and reset through the reset mechanism, so that the execution screw rod 24 is recycled.

In this embodiment, the chip-level driven insulin pump further comprises a bottom plate for being attached to the body surface of the patient and a remaining needle arranged on the bottom plate and used for being inserted into the body of the patient, the first casing 6 is arranged on the bottom plate and provided with a first injection hole communicated with the remaining needle, the second casing 7 is provided with a second injection hole communicated with the first injection hole, and the injection end of the injection component 1 penetrates through the first injection hole and the second injection hole to be communicated with the remaining needle. Specifically, the bottom plate is firstly attached to the body surface of a patient, an indwelling needle is inserted into the body of the patient, the first shell 6 and the second shell 7 which are inserted are arranged on the bottom plate, and the injection end of the injection assembly 1 is arranged through the first injection hole and the second injection hole to be communicated with the indwelling needle so as to infuse liquid medicine into the body of the patient. Optionally, injection subassembly 1 includes stock solution subassembly and needle tubing assembly, and the stock solution subassembly is used for storing and providing the liquid medicine for patient's injection, and executive component 2 is connected to the one end of stock solution subassembly, and the needle tubing assembly is connected to the other end of stock solution subassembly, and executive component 2 can carry the liquid medicine in the stock solution subassembly to the needle tubing assembly and finally pour into the patient internal treatment with the liquid medicine into through the needle tubing assembly, and control mainboard subassembly 4 is used for controlling closing and the concrete operation process of executive component 2. Optionally, the needle tube assembly comprises a needle tube, a rubber tube and a needle tube control device for driving a needle in the needle tube to be implanted and pulled out, the needle of the needle tube is preferably a stainless steel needle to reduce possible bacterial infection, the needle tube is connected with the liquid storage assembly through a hose, and liquid is supplied to the needle tube by the liquid storage assembly; the rubber tube is sleeved outside the needle tube, the needle tube and the rubber tube can move relatively, when a patient needs to be injected, the needle tube control device controls the needle head of the needle tube to extend out of the rubber tube, after the injection is completed, the needle head on the needle tube is controlled by the needle tube control device to be retracted into the rubber tube again, and pain of the patient caused by the fact that the needle head exists in the body for a long time is reduced. Optionally, the bottom plate is attached to one side of the body of the patient and is provided with an attaching piece, a needle hole is formed in the attaching piece, a needle head on the needle tube can penetrate through the needle hole to inject medicine to the patient, the long catheter is replaced by the attaching mode, and the phenomenon that the patient feels uncomfortable due to friction between the catheter and the body of the user when the long catheter is used and the long catheter is possibly hung on other objects is avoided. Optionally, the needle tube control device comprises a mounting frame, a sliding block assembly, an inclined plane stop block assembly and an elastic assembly, the mounting frame is arranged in the shell, the elastic assembly comprises a screw, one end of the mounting frame is provided with the screw, a torsion spring is sleeved outside the screw, the outside of the screw is rotatably connected with a herringbone arm, the two arms of the herringbone arm are rotatably connected, the rotation of the torsion spring can drive the herringbone arm to extend or contract, the herringbone arm comprises a first connecting rod rotatably connected to the outside of the screw and a second connecting rod rotatably connected with the first connecting rod, the outer end of the second connecting rod is rotatably connected with a sliding part on the sliding block assembly, the sliding assembly comprises a first sliding block, a second sliding block and a sliding rail, the outer end of the second connecting rod is rotatably connected with the first sliding block, the second connecting rod can drive the first sliding block to slide on the sliding rail of the sliding block assembly, the inclined plane stop block assembly penetrates through the shell, one end of the inclined plane stop block assembly located inside the shell is connected with a stop block, the stop block is located between the first sliding block and the second sliding block in the rotating reset process of the torsion spring, and the stop block drives the second sliding block to move on the sliding rail; when the inclined plane stop block assembly is pressed down, the stop block pushes the first sliding block to reset, so that the contact position of the stop block and the first sliding block is in inclined plane fit, the first sliding block is convenient to reset, when the stop block pushes the first sliding block to completely reset, the stop block is positioned between the first sliding block and the second sliding block to separate the first sliding block and the second sliding block, at the moment, the torsion spring is twisted, and the torsion spring has the tendency of resetting to push the first sliding block to move, so that the force is accumulated for pushing the first sliding block next time; be equipped with first conduction groove on the first slider, be equipped with the second conduction groove on the second slider, the second conduction groove is used for holding the rubber tube, is equipped with the adaptation chamber on the second slider, is equipped with salient in the location portion of rubber tube on the rubber tube, and location portion adaptation is in the adaptation intracavity, and the needle tubing penetrates in the rubber tube through this location portion. Preferably, after the injection is completed, the rubber tube is reserved in a reserved tube on the skin of the patient, the needle tube is retracted into the shell, so that the problem of complications caused by the fact that the needle is reserved in the patient is solved, specifically, a blocking hole is formed in one end, far away from the first sliding block, of the second sliding block, a spring thimble is correspondingly arranged on the front cover, after the second sliding block slides to a certain position, the spring thimble pops out and is inserted into the blocking hole, the second sliding block is fixed, so that the rubber tube cannot be driven to retract, the first sliding block resets and retracts under the retraction effect of the herringbone arm, the needle tube is finally retracted into the rubber tube, and when the next injection is performed, the needle tube is pushed out through the operation of the button part and the movement of the first sliding block.

As shown in fig. 4, in the present embodiment, the ratchet mechanism 23 includes a rotating shaft 231 rotatably disposed in the first bearing seat 21 and the second bearing seat 22, and a ratchet wheel 232 fixedly sleeved outside the rotating shaft 231 and disposed corresponding to the swinging member 25, wherein the rotating shaft 231 is axially provided with a connecting cavity in threaded connection with the actuating screw 24. Specifically, the oscillating member 25 drives the ratchet 232 to rotate step by step, and further drives the rotary screw to rotate step by step, so as to drive the actuating screw 24 to move axially step by step.

In this embodiment, the ratchet mechanism 23 includes a rotating shaft 231 rotatably disposed in the first bearing seat 21 and the second bearing seat 22, a ratchet 232 fixedly sleeved outside the rotating shaft 231 and disposed corresponding to the swinging member 25, and the executing assembly 2 further includes a screw sleeve fixedly disposed in the rotating shaft 231 and sleeved outside the executing screw 24, and the screw sleeve is in threaded connection with the executing screw 24. Optionally, the reset mechanism includes a reset motor, a connecting sleeve disposed on an output shaft of the reset motor and detachably connected to the rotating shaft 231, and a movable sleeve detachably connected to the actuating screw 24 and used for preventing the actuating screw 24 from rotating in the circumferential direction, the reset motor works to drive the output shaft to rotate, and further drive the connecting sleeve to rotate, so as to drive the rotating shaft 231 to rotate, and finally drive the screw sleeve to rotate, and because the movable sleeve prevents the actuating screw 24 from rotating in the circumferential direction, so as to cause the actuating screw 24 to move in the axial direction relative to the screw sleeve, the retraction and resetting of the actuating screw 24 are realized. Optionally, the movable sleeve includes a movable sleeve coaxially disposed with the execution screw 24, a movable limiting block movably disposed in the movable sleeve along the axial direction and detachably connected to the extending end of the execution screw 24, and a supporting seat supporting the movable sleeve from the bottom, and is connected to the execution screw 24 through the movable limiting block, so as to prevent the execution screw 24 and the screw sleeve from rotating circumferentially and synchronously.

As shown in fig. 2, in the present embodiment, the chip-scale electromagnetic driving module 3 and the energy supply module 5 are mounted on the control main board module 4. Specifically, through with chip level electromagnetic drive subassembly 3 and energy supply subassembly 5 integration on control mainboard subassembly 4, occupation space is littleer, realizes miniaturized, miniaturized design, and be convenient for dress and portable are littleer to patient's burden, also are favorable to practicing thrift the cost.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A chip-level driving insulin pump is characterized by comprising an injection component (1) for injecting liquid medicine into a patient, an execution component (2) which is connected with the injection component (1) and used for driving the injection component (1) to work, a chip-level electromagnetic driving component (3) which is arranged corresponding to the execution component (2) and used for driving the execution component (2) to work in an electromagnetic driving mode, a control main board component (4) which is connected with the chip-level electromagnetic driving component (3) and used for controlling the chip-level electromagnetic driving component (3) to work, and an energy supply component (5) which is electrically connected with the control main board component (4) and used for providing energy;

the chip-level electromagnetic driving assembly (3) comprises a base body assembly (31), a U-shaped iron core embedded in the base body assembly (31) and a conductive winding which is formed by post-pouring and wound outside the U-shaped iron core, wherein the conductive winding is electrically connected with the control main board assembly (4).

2. The insulin pump of claim 1, wherein the base assembly (31) comprises a first base body and a second base body, the first base body comprises a first half-spiral groove formed by etching and a first half-spiral hole groove formed by etching and disposed outside the first half-spiral groove, the second base body comprises a second half-spiral groove formed by etching and a second half-spiral hole groove formed by etching and disposed outside the second half-spiral groove, the first base body and the second base body are fastened together, so that the first half-spiral groove and the second half-spiral groove are fastened together and form a U-shaped groove for accommodating the U-shaped iron core, and the first half-spiral groove and the second half-spiral groove are communicated with each other and form a spiral hole groove for forming the conductive winding by post-casting.

3. The chip-scale driven insulin pump according to claim 2, wherein the actuator assembly (2) comprises a first bearing seat (21), a second bearing seat (22), a ratchet mechanism (23) rotatably disposed in the first bearing seat (21) and the second bearing seat (22), an actuator screw (24) axially movably disposed in the ratchet mechanism (23) and connected to the injection assembly (1), and a swinging member (25) rotatably disposed and respectively disposed corresponding to the ratchet mechanism (23) and the U-shaped iron core and adapted to swing reciprocally under the magnetic force of the U-shaped iron core to drive the ratchet mechanism (23) to rotate in a stepping manner, wherein the U-shaped iron core comprises two opposite magnetic poles, and the control main board assembly (4) is adapted to change the current flowing direction in the conductive winding according to a predetermined frequency to change the direction and magnetism of the two magnetic poles to drive the swinging member (25) to swing reciprocally.

4. The insulin pump driven by chip as claimed in claim 3, wherein the first base has a mounting portion extending toward the actuating member (2), the second base has a plurality of position-limiting protrusions extending toward the actuating member (2), the plurality of position-limiting protrusions are spaced apart from each other and surround the mounting portion to form a position-limiting cavity, and the swinging member (25) is rotatably disposed on the mounting portion and located in the position-limiting cavity.

5. The chip-scale driven insulin pump according to claim 4, wherein the swinging member (25) comprises a magnetic attraction part (251) disposed in the extending region between the two magnetic poles for swinging reciprocally with the orientation of the two magnetic poles, and an abutting part (252) disposed corresponding to the ratchet mechanism (23) for pushing the ratchet mechanism (23) to rotate stepwise with the reciprocal swinging of the magnetic attraction part (251).

6. The chip-scale driven insulin pump according to claim 5, wherein the actuator assembly (2) further comprises a first supporting seat (26) connected to the first bearing seat (21) and disposed close to the base assembly (31) and a second supporting seat (27) connected to the second bearing seat (22) and disposed far from the base assembly (31), the magnetic attraction part (251) is disposed on the first supporting seat (26) in a swingable manner, and an end part of the swinging member (25) far from the magnetic attraction part (251) is disposed on the second supporting seat (27) in a rotatable manner.

7. The insulin pump driven by chip level as claimed in claim 3, further comprising a first housing (6) and a second housing (7) inserted into the first housing (6), wherein the energy supplying assembly (5), the control main board assembly (4), the electromagnetic driving assembly (3) and the executing assembly (2) are disposed in the first housing (6), the injection assembly (1) is disposed in the second housing (7), and the executing lead screw (24) is detachably connected with the injection assembly (1) and is used for extending to push the injection assembly (1) to inject the liquid medicine into the patient.

8. The chip-scale driven insulin pump according to claim 7, wherein the chip-scale driven insulin pump further comprises a reset mechanism for detachably connecting with the ratchet mechanism (23) and the execution lead screw (24), respectively, to retract and reset the execution lead screw (24) after being extended and pushed.

9. The chip-scale driven insulin pump according to claim 3, wherein the ratchet mechanism (23) comprises a rotating shaft (231) rotatably disposed in the first bearing seat (21) and the second bearing seat (22) and a ratchet (232) fixedly sleeved outside the rotating shaft (231) and disposed corresponding to the swinging member (25), the rotating shaft (231) is axially opened with a connecting cavity in threaded connection with the actuating screw (24).

10. A chip scale driven insulin pump according to any of the claims 1 to 9, characterized in that the chip scale electromagnetic drive module (3) and the energy supply module (5) are mounted on the control motherboard module (4).

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