CN219001460U

CN219001460U - Detachable pasting insulin pump

Info

Publication number: CN219001460U
Application number: CN202221825954.2U
Authority: CN
Inventors: 刘祥华; 谭益民; 刘师宏; 章静; 杨超; 郑湘明; 陈一; 刘超
Original assignee: Hunan Qianshan Medical Apparatus And Instruments Co ltd
Current assignee: Hunan Qianshan Medical Apparatus And Instruments Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-05-12
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a detachable application type insulin pump, which comprises an injection assembly and a control main board assembly, wherein the control main board assembly is used for controlling the injection assembly to inject liquid medicine to a patient, and is detachably arranged; the control main board component in the preferred embodiment of the utility model can be replaced by adopting a detachable connection mode of the control main board component, so that the use cost of a patient is reduced, and the utility model is more economical and environment-friendly and is beneficial to recycling of resources.

Description

Detachable pasting insulin pump

Technical Field

The utility model relates to the field of insulin pumps, in particular to a detachable patch type insulin pump.

Background

The insulin pump can simulate the physiological insulin secretion mode and is regulated according to the characteristics of physiological insulin secretion at different times, so that the insulin pump is more humanized and more accords with the treatment of the physiological insulin secretion mode; the existing insulin pump is high in price, and the pump body is mostly used once, so that the use cost of patients is too high, and due to the high price, the used people are mainly concentrated on the type 1 diabetes patients, and the type 2 diabetes patients and gestational diabetes patients basically refuse to use the insulin pump, so that the popularization of the insulin pump is not facilitated; meanwhile, most of the existing insulin pumps have no waterproof function, so that inconvenience is brought to users in daily life; the driving part of most insulin pumps is composed of a motor, an encoder, a reduction gearbox, a guide pipe and the like, so that the insulin pumps are large in size, few in injection parts can be selected, inconvenient to carry and poor in concealment due to the large size and the long guide pipe, and the insulin pumps are easy to suffer from surrounding abnormal eyes, and the detachable pasting type insulin pumps are designed for the defects.

Disclosure of Invention

The utility model provides a detachable application type insulin pump, which aims to solve the technical problem that the use cost is too high due to the disposable use of the existing insulin pump main board assembly.

The technical scheme adopted by the utility model is as follows: comprising the following steps: the injection assembly and the control main board assembly are used for controlling the injection assembly to inject the liquid medicine into a patient; the control main board component is detachably arranged.

Further, the injection device comprises a shell, wherein the shell is used for accommodating the injection assembly and the control main board assembly, the shell comprises a first shell and a second shell, the first shell is detachably connected with the second shell, and a waterproof assembly is arranged at the joint of the first shell and the second shell.

Still further, the said. The shell is provided with an application part, the application part and the shell are provided with mutually aligned pinholes, the pinholes are used for allowing a needle tube in an injection assembly to pass through, and one end of the pinholes is provided with a sealing body

Still further, injection subassembly includes stock solution subassembly, needle tubing subassembly and pump liquid subassembly, the one end of stock solution subassembly with pump liquid subassembly links to each other, the other end of stock solution subassembly with the needle tubing subassembly links to each other, pump liquid subassembly is used for with liquid medicine in the stock solution subassembly is passed through the needle tubing subassembly is to the internal injection of patient.

Still further, the pump assembly includes electromagnetic drive assembly and execution assembly, and electromagnetic drive assembly is used for driving the execution assembly in the electromagnetic drive's mode and controlling injection assembly to inject the patient.

Still further, the execution subassembly includes stop device, ratchet pawl mechanism, screw rod and thread bush, ratchet pawl mechanism includes ratchet and pawl, stop device with the pawl links to each other and drives the pawl is followed the reciprocal translation of tangential direction of ratchet, the buckle is connected to the first end of pawl, the ratchet with the screw rod links to each other, the screw rod with the pushing away liquid portion in the injection subassembly links to each other, through driving electromagnetic drive subassembly so that the execution subassembly drives the reciprocal translation of pawl, thereby the pawl drives ratchet unidirectional rotation drives the screw rod step-by-step rotation in order to promote the pushing away liquid portion in the injection subassembly and then carries out the liquid medicine injection.

Still further, the needle cannula assembly includes a needle cannula coupled to the reservoir assembly and a needle cannula control device for driving the needle cannula into and out of the patient.

Further, the needle tube control device comprises a sliding block assembly, an elastic assembly and an inclined surface stop block assembly, wherein a sliding part on the sliding block assembly is connected with the needle tube; the inclined surface stop block assembly forces the sliding block on the sliding block assembly to reset through the pre-pressing elastic force exerted by the elastic assembly and drives the needle tube to be implanted into a patient; the inclined surface stop block assembly overcomes the pre-pressing elasticity of the elastic assembly through the matching of the inclined surface so as to push the sliding part on the sliding block assembly to drive the needle tube to be implanted into a patient.

Still further, the slider subassembly includes first slider, second slider and slide rail, first slider with the needle tubing links to each other, set up first conduction groove on the first slider, set up the second conduction groove on the second slider, the outside cover of needle tubing is established the rubber tube and the rubber tube with but the relative displacement of needle tubing lays, the second conduction groove is used for holding the rubber tube, be equipped with the adaptation chamber on the second slider, be equipped with outstanding location portion on the rubber tube, location portion adaptation in the adaptation chamber, the needle tubing passes through the location portion penetrates in the rubber tube, the second slider is kept away from one end of first slider is seted up and is blocked the hole, one side of second slider is equipped with the spring thimble, the inclined plane dog subassembly is located between first slider and the second slider.

Further, a sealing body is sleeved at the end part of the rubber tube, and the sealing body is positioned at the joint of the rubber tube and the applying piece.

The utility model has the following beneficial effects:

(1) The most expensive control main board component is detachably connected in the shell, so that the most expensive control main board component in the insulin pump can be recycled, only the part except the control main board component is discarded as a disposable part, the control main board component can be assembled with a new disposable part and reused, the use cost of a patient is reduced, and the insulin pump is more economic and environment-friendly and is beneficial to recycling of resources; meanwhile, the patient only needs to spend little cost to purchase the disposable part to replace and can normally use, so that the use cost of the whole detachable pasting type insulin pump is reduced, most diabetics can accept and use the insulin pump, and popularization of the insulin pump is facilitated.

(2) According to the utility model, the front cover and the rear cover are well sealed, and the sealing component is arranged at the pin hole part arranged on the matched shell, so that a good waterproof effect is achieved, the body of a user can be always used when the body is in contact with water, frequent picking and wearing are not needed, and the daily use of the user is facilitated.

(3) The utility model has no long catheter, but adopts a pasting mode to inject insulin to a user, thereby preventing the phenomenon that the catheter is easy to be caught and entangled with other objects due to overlong catheter, and avoiding the uncomfortable condition of a patient caused by long-time contact of the catheter with the body of the patient.

(4) The utility model adopts an electromagnetic driving mode to provide pump hydrodynamic force, does not need devices such as a motor, a speed reducer and the like, ensures that the device has smaller volume, can select more injection positions, such as abdomen, limbs and the like, can reduce the possibility of complications caused by always injecting the same position, is beneficial to the miniaturization of the device, is convenient for hiding an insulin pump, effectively protects the privacy of a patient, simultaneously reduces the use cost of the patient because the devices such as the motor, the speed reducer and the like are not needed, is convenient for popularizing the device to type 2 diabetes and gestational diabetes patients, and adopts electromagnetic driving to ensure that the power output is more stable, direct and reliable, is beneficial to accurately controlling the insulin injection amount of the patient and ensures the physical health of the patient.

(5) The utility model adopts the mode that the needle tube is inserted into the skin of a patient when in use and is pulled out from the body of the patient when not in use to carry out the needle implantation operation on the user, thereby avoiding the phenomenon of severe pain of the body of the user caused by long-time storage of the needle head in the body of the patient and effectively reducing the possibility of complication caused by long-time storage of the needle head in the body of the patient.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The utility model will be described in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a first perspective view of a preferred embodiment of the present utility model;

FIG. 2 is a second perspective view of the preferred embodiment of the present utility model

FIG. 3 is a front view of a preferred embodiment of the utility model with the housing removed

Fig. 4 is a schematic view showing the structure of a needle tube control device according to a preferred embodiment of the present utility model.

Reference numerals illustrate:

first housing 11, second housing 12, reservoir assembly 20, electromagnetic drive assembly 30, and applicator 13

Needle tube control device 40, control main board assembly 50, energy source assembly 60, liquid storage cylinder 21, executing assembly 22,

Needle tube 41, rubber tube 42, mounting frame 43, elastic component 44, slide block component 45,

Bevel stop assembly 46, stop 461, screw 441, chevron 442, torsion spring 443,

A first link 4421, a second link 4422, a first slider 451, a second slider 452,

Positioning part 421, blocking hole 454, spring thimble 453, mounting box 31, bracket 32,

Clasp 33, pawl 221, ratchet 222, ratchet sleeve 223, seal 422,

A flexible circuit board 70.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 and 2, a detachable patch type insulin pump is provided according to a preferred embodiment of the present utility model, which comprises a housing having a cavity therein for accommodating and mounting components, an injection assembly and a control main board assembly 50, wherein the injection assembly is controlled by the control main board assembly 50 to inject a medical fluid into a patient during use; the control main board assembly 50 is detachably mounted in the housing; the injection assembly comprises a liquid storage assembly 20, a needle tube assembly and a liquid pumping assembly, wherein the liquid storage assembly 20 is used for storing and providing liquid medicine for injection of a patient, one end of the liquid storage assembly 20 is connected with the liquid pumping assembly, the other end of the liquid storage assembly 20 is connected with the needle tube assembly, the liquid pumping assembly provides driving force to inject the liquid medicine in the liquid storage assembly 20 into the body of the patient through the injection assembly during operation, and an energy source assembly 60 for providing energy sources for the liquid pumping assembly and the control main board assembly 50 can be further arranged in the shell.

Referring to fig. 1, the housing includes a first housing 11 and a second housing 12, and the first housing 11 and the second housing 12 can together form a cavity for accommodating and mounting components.

Referring to fig. 1 and 2, the detachable connection mode between the control main board assembly and the housing may be screw connection, and since the control main board assembly 50 is screw connection, the installation and detachment process of the device is simpler, and the control main board assembly 50 which is most expensive after the disposable assembly is used can be detached for reuse in a detachable connection mode, compared with the prior art, the reuse mode of the device greatly reduces the use cost of the device, reduces the medical expense of a patient, improves the universality of an insulin pump, and is more economical and environment-friendly, and avoids the waste phenomenon of resources.

The mode of detachable connection between control mainboard subassembly and the shell also can be plug connection, plug connection is preferable to be equipped with a plurality of columnar protruding in first shell, be equipped with a plurality of card barrels that can with columnar protruding complex in the second shell simultaneously (also can make columnar protruding whole setting in the second casing or some columnar protruding setting in first casing, some columnar protruding setting in the second casing), columnar protruding can insert card barrel in carry out sealing connection, the mode of plug connection can make the outside of shell unified, there is not the hole, be difficult for taking place the shell and begin the phenomenon of breaking from the hole, simultaneously because the shell surface does not have any hole because of the connected mode causes, further guaranteed the good leakproofness of shell to its interior spare part, good waterproof dustproof effect has been played.

Under the condition that the control main board component adopts the detachable connection mode, the waterproof component can be arranged at the joint of the first shell 11 and the second shell 12, and the rubber ring can be fixedly connected to one side of the first shell 11 or the second shell 12, and can be divided into two groups, namely, the two groups are respectively arranged at the joint of the first shell 11 or the second shell 12, one group is a clamping groove waterproof component with a groove on the surface, and the other group is a protruding waterproof component which can be inserted into the groove, so that the joint of the first shell 11 and the second shell 12 is sealed completely, and the waterproof performance of the device is further improved.

The control main board assembly 50 can be connected with the APP through Bluetooth or a wireless network, and the operation control of the utility model can be conveniently carried out by a patient through the operation of the APP, and meanwhile, the control main board assembly can also be controlled through a control panel on the shell; and the flexible circuit board 70 and other components which can be communicated with the control main board assembly 50, the energy source assembly 60 and the liquid pumping assembly can be arranged in the shell, so that the normal operation of the circuit system of the device is ensured.

Referring to fig. 1 and 2, a waterproof component can be disposed at the connection between the first housing 11 and the second housing 12 to achieve a good waterproof effect, and the waterproof component can be a waterproof rubber ring, a sealing ring, a waterproof adhesive tape or a waterproof membrane, so that a patient does not need to frequently take off and wear the waterproof component when the patient needs to contact water in daily life, and great convenience is provided for the use of the patient.

Referring to fig. 2, an application part 13 is arranged on one side of a shell which needs to be attached to the body of a patient, the application part 13 can be arranged in a sheet shape to increase the application area, pinholes which are mutually aligned and communicated are formed on the application part 13 and the shell for the needle head on the needle tube 41 to pass through for implementing medicine injection on the patient, the application mode replaces the use of a long catheter, and the phenomenon that the catheter rubs with the body of the user when the long catheter is used, the long catheter possibly hangs on other objects and the like to cause discomfort to the user is avoided.

One end of the pinhole is provided with a sealing body 422, the sealing body 422 has the waterproof and dustproof effects on the pinhole, and the sealing body 422 can be made of materials such as silica gel or rubber; a sealing bushing can be arranged between the needle tube 41 and the needle head on the needle tube 41 and is used for sealing a gap between the needle tube 41 and the needle head, and the sealing body 422 is matched with the needle tube to prevent water from the needle hole, so that a double waterproof effect is achieved, sweat permeation generated by the body of a patient can be effectively prevented, and the normal use of the insulin pump is guaranteed.

Referring to fig. 3, the liquid storage unit 20 includes a liquid storage cylinder 21 for containing a liquid medicine and a piston (not shown) fitted in the liquid storage cylinder 21, and the piston can push out the liquid medicine in the liquid storage cylinder 21 into the needle tube unit when the piston moves in the liquid storage cylinder.

Referring to fig. 1 and 3, the pump assembly includes an electromagnetic driving assembly 30 and an actuating assembly 22, one end of the actuating assembly 22 is connected with the electromagnetic driving assembly 30, the other end of the actuating assembly 22 is connected with a piston in the liquid storage barrel 21, and in an operating state, the electromagnetic driving assembly 30 provides power for the actuating assembly 22 so that the end, connected with the piston, of the actuating assembly 22 pushes the piston to inject the liquid medicine into a patient through the needle tube assembly for treatment. Alternatively, in another embodiment, the pump assembly includes a memory alloy driving assembly and an actuating assembly 22, one end of the actuating assembly 22 is connected to the memory alloy driving assembly, the other end of the actuating assembly 22 is connected to a piston in the liquid storage barrel 21, and in an operating state, the memory alloy driving assembly provides power for the actuating assembly 22 so that the end of the actuating assembly 22 connected to the piston pushes the piston to inject the liquid medicine into the patient through the needle tube assembly for treatment. It should be understood that the memory alloy driving assembly deforms or recovers the memory alloy by temperature change to provide driving power, and the specific structure of the memory alloy driving assembly is well known to those skilled in the art, and will not be repeated herein.

Referring to fig. 1 and 3, the electromagnetic drive assembly 30 comprises a mounting box 31 and an electromagnetic coil assembly, the mounting box 31 is used for accommodating the electromagnetic coil assembly, the electromagnetic coil assembly comprises an electromagnetic coil, a magnet and a bracket, the magnet comprises a pair of opposite magnets, the two opposite magnets are respectively arranged at two ends in the mounting box, the electromagnetic coil is fixed in the mounting box 31, the bracket is positioned at the top of the electromagnetic coil, a buckle 33 is arranged on the bracket 32, the buckle 33 is used for connecting one end of the execution assembly 22, in operation, the electromagnetic coil is electrified so as to provide driving force for the execution assembly 22 through the bracket 32 and the buckle 33 (the conductor is driven to move together when the magnet moves in a magnetic field, the effect is called an electromagnetic drive effect, when the magnet rotates, the magnet is arranged at the radius Oa of a metal disc at a certain moment, vortex as shown in the figure is generated on the disc according to lenz law, as a result, an induced current flowing from a to O is formed at the radius, the induced current is in the rotating magnetic field and is applied by the magnetic field, the force generates a moment for causing the metal disc to rotate along the rotating direction of the magnetic field, and the moment generated by the force applied by the induced current generated from the S pole of the magnet also causes the metal disc to rotate along the rotating direction of the magnetic field, so that the metal disc rotates along the rotating direction of the magnetic field, but if the rotating speed of the disc is the same as the rotating speed of the magnetic field, the relative speed of the metal disc and the rotating speed of the magnetic field are zero, the induced current cannot be generated, and the electromagnetic driving effect disappears, so that the rotating speed of the metal disc is always smaller than the rotating speed of the magnet or the rotating speed of the magnetic field or the rotating speed of the metal disc and the rotating speed of the magnetic field are always asynchronous under the electromagnetic driving effect, the induction type motor (asynchronous motor) is manufactured according to the principle, and then the executive component 22 pushes liquid medicine through the piston, compared with the prior art, the electromagnetic driving mode adopts expensive motor driving, the use cost is effectively saved, the whole miniaturization of the device is convenient, the electromagnetic driving insulin pump is small in size and convenient to hide, the electromagnetic driving insulin pump is not easy to find, the abnormal vision of normal people can be avoided, the insulin pump is miniaturized, the positions of injection can be selected by a patient, such as abdomen, limbs and the like, the cost of the insulin pump is low, the diseased people can bear corresponding price, and therefore, the insulin pump can be used in type 1 diabetes people and can be expanded to type 2 diabetes and gestational diabetes people, and the insulin pump has higher universality.

Referring to fig. 3, the executing assembly 22 includes a limiting device, a ratchet pawl mechanism, a screw and a thread sleeve, as shown in fig. 3, a limiting device is further arranged in a shell, a pawl 221 on the ratchet pawl mechanism is matched with the limiting device, the displacement of the pawl is controlled by the limiting device, meanwhile, the pawl 221 can only reciprocate along the tangential direction of a ratchet wheel 222, the thread sleeve is arranged in the shell, the thread sleeve is matched with the connecting screw, the screw is connected with a piston in a liquid storage tube 21 through a liquid medicine push rod, a displacement sensor can be arranged on one side of the liquid medicine push rod and used for monitoring the displacement of the push rod, so that the output quantity of liquid medicine is monitored, high reliability of the whole system is ensured, the screw can drive the piston to move in a medicine containing tube when rotating, so that the liquid medicine is injected into a patient, a roller is rotatably arranged in the shell, one end of the screw is connected with the roller, the other end of the screw is connected with the piston, the other end of the screw can drive the screw to rotate to provide driving force for the piston through the rotation of the roller, the ratchet pawl mechanism includes the pawl 221, the ratchet wheel 222, the ratchet sleeve 223 and the roller sleeve 223 are sleeved at the outer sides of the roller, and the roller is preferably sleeved with the two ends of the roller respectively; one ratchet sleeve 223 may be sleeved on the outer side of the roller or more ratchet sleeves 223 may be sleeved, for example, three, four, etc.; the ratchet wheel 222 is arranged on the outer side of the ratchet wheel sleeve, the pawl 221 is arranged on the outer side of the ratchet wheel 222, the first end of the pawl 221 is connected with the buckle 33, the electromagnetic driving assembly 20 can drive the pawl 221 to reciprocate along the tangential direction of the ratchet wheel through the bracket and the buckle 33 in operation, the other end of the pawl 221 is correspondingly provided with a plurality of ratchet wheels 222 in a double-claw or multi-claw shape so as to be respectively meshed with each ratchet wheel 222, the pawl 221 is respectively meshed with the corresponding ratchet wheel 222, the transmission process is smoother and the transmission quantity is more accurate when the pawl ratchet wheel is meshed, the ratchet wheel can conveniently drive the screw to quantitatively rotate through the roller so as to accurately control the injection quantity of liquid medicine to a patient, and meanwhile, the screw can only unidirectionally drive and can push out the liquid medicine through the control piston due to the unidirectional transmission mechanism of the ratchet wheel pawl.

Referring to fig. 3 and 4, the needle tube assembly comprises a needle tube 41, a rubber tube 42 and a needle tube control device 40 for driving the implantation and extraction of a needle in the needle tube assembly, wherein the needle of the needle tube 41 is preferably a stainless steel needle, so that bacterial infection possibly caused is reduced, the needle tube 41 is connected with the liquid storage assembly 20 through a hose, and the liquid storage assembly 20 supplies liquid to the needle tube; the rubber tube 42 is sleeved on the outer side of the needle tube 41, the needle tube 41 and the rubber tube 42 can move relatively, when a patient needs to be injected, the needle head of the needle tube 41 is controlled by the needle tube control device 40 to extend out of the rubber tube 42, after the injection is completed, the needle head on the needle tube 41 is controlled by the needle tube control device 40 to be retracted into the rubber tube 42 again, and pain of the patient caused by the fact that the needle head exists in the body for a long time is reduced.

Referring to fig. 4, the needle tube control device 40 includes a mounting frame 43, a slider assembly 45, a bevel block assembly 46 and an elastic assembly 44, the mounting frame 43 is disposed in a housing, the elastic assembly 44 includes a screw 441, one end of the mounting frame 43 is mounted with the screw 441, a torsion spring 443 is sleeved outside the screw 441, a herringbone arm 442 is rotatably connected to the outer side of the screw 441, the herringbone arm 442 is rotatably connected between two arms of the herringbone arm 442, the rotation of the torsion spring can drive the herringbone arm 442 to extend or retract, the herringbone arm 442 includes a first link 4421 rotatably connected to the outer side of the screw 441, a second link 4422 rotatably connected to the first link 4421, the outer end of the second link 4422 is rotatably connected to a sliding part on the slider assembly 45, the slider assembly 45 includes a first slider 451, a second slider 452 and a sliding rail, the outer end of the second link 4422 is rotatably connected to the first slider 451, the second link 4422 can drive the first slider 451 to slide on the sliding rail of the slider assembly, the housing passes through the bevel block assembly 46, one end of the bevel block assembly 46 inside the housing is connected to a block 461, the block 461 is located between the first slider and the second slider is located between the second slider and the second slider, and the second slider is separated from the first slider and the second slider is rotatably pulled out of the first slider and the second slider 46 is rotated when the first slider and is in a reset state and is separated from the first slider and is in the slider and a first slider and is in a second slider and is rotated; when the inclined surface stop block assembly 46 is pressed down, the stop block 461 pushes the first sliding block 451 to reset, so that the contact position of the stop block 461 and the first sliding block 451 is in inclined surface fit, the first sliding block 451 is convenient to reset, when the stop block pushes the first sliding block to reset completely, the stop block 461 is positioned between the first sliding block 451 and the second sliding block 452 to separate the first sliding block 451 from the second sliding block 452, at the moment, the torsion spring is twisted, and the torsion spring has a tendency of restoring to push the first sliding block 451 to move, so that the force is accumulated for pushing the first sliding block 451 next time; the first slider 451 is provided with a first conduction groove, the second slider 452 is provided with a second conduction groove, the second conduction groove is used for accommodating the rubber tube 42, the second slider 452 is provided with an adaptation cavity, the rubber tube 42 is provided with a positioning portion 421 protruding out of the rubber tube 42, the positioning portion 421 is adapted to the adaptation cavity, and the needle tube 41 penetrates into the rubber tube 42 through the positioning portion 421.

Preferably, after the injection is completed, the rubber tube 42 is reserved in a reserved tube on the skin of a patient, the needle tube 41 is retracted into the housing, so that the problem of complications caused by the needle remaining in the patient is avoided, a blocking hole 454 is formed in one end of a specific second slider 452, which is far away from the first slider 451, a spring thimble 453 is correspondingly arranged on the first housing 11, after the second slider 452 slides to a certain position, the spring thimble 453 ejects and inserts into the blocking hole 454, the second slider 452 is fixed, so that the rubber tube 42 cannot be driven to retract, the first slider 451 is reset to retract under the contraction action of the lambdoidal arm, the needle tube 41 is finally retracted into the rubber tube 42, and when the next injection is performed, the first slider 451 is pushed to move so as to push the needle tube 41.

When the patient needs to be injected with insulin, the limit on the first sliding block is relieved by the control inclined surface stop block assembly, the needle tube assembly is inserted into the skin of the patient, then the electromagnetic driving assembly 20 is started to provide power for the execution assembly 22, the liquid medicine in the liquid storage assembly 20 is injected into the body of the patient through the needle tube assembly, after the injection is completed, the inclined surface stop block assembly pushes the first sliding block to reset, and the first sliding block drives the needle tube to be pulled out of the body of the patient, so that the next implantation needle is convenient to use.

The energy component 60 can be an energy supply part such as a button battery which is convenient for miniaturization, thereby being more fit with the design key point of the utility model, being convenient for the overall miniaturization design of the utility model, and simultaneously the energy component 60 can also be an external power supply, so that the space occupied by the energy component is saved.

It should be noted that, the position close to the end of the rubber tube 42 is sleeved with a sealing body 422, the sealing body 422 is preferably a sealing colloid, the sealing body 422 is positioned at the inner end of the pinhole opened on the shell, the sealing body 422 is positioned at the joint of the rubber tube 42 and the applying piece 13, and the sealing body 422 can prevent liquid from flowing into the shell, so that a good waterproof effect is achieved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A detachable pasting type insulin pump is characterized by comprising the following components

An injection assembly and a control main board assembly (50), wherein the control main board assembly (50) is used for controlling the injection assembly to inject liquid medicine to a patient;

the control main board assembly (50) is detachably arranged.

2. The detachable patch insulin pump according to claim 1, further comprising a housing for accommodating the injection assembly and the control main board assembly (50), the housing comprising a first housing (11) and a second housing (12), the first housing (11) and the second housing (12) being detachably connected, a connection of the first housing (11) and the second housing (12) being provided with a waterproof assembly.

3. A removable patch insulin pump according to claim 2, characterized in that the housing is provided with a patch (13), the patch (13) and the housing are provided with a through needle hole for a needle tube in the injection assembly to pass through, and one end of the needle hole is provided with a sealing body (422).

4. A removable patch insulin pump as in claim 3, wherein the injection assembly comprises a reservoir assembly, a needle assembly and a pump assembly, one end of the reservoir assembly is connected to the pump assembly, the other end of the reservoir assembly is connected to the needle assembly, and the pump assembly is configured to inject the medical fluid in the reservoir assembly into the patient through the needle assembly.

5. The removable patch insulin pump of claim 4, wherein the pump fluid assembly includes an electromagnetic drive assembly (30) and an actuation assembly (22), the electromagnetic drive assembly (30) being configured to drive the actuation assembly (22) in an electromagnetic drive to control the injection assembly to inject the patient.

6. The detachable and attachable insulin pump according to claim 5, wherein the actuating assembly (22) comprises a limiting device, a ratchet pawl mechanism, a screw and a threaded sleeve, the ratchet pawl mechanism comprises a ratchet wheel (222) and a pawl (221), the limiting device is connected with the pawl (221) and drives the pawl (221) to reciprocate along the tangential direction of the ratchet wheel (222), the first end of the pawl (221) is connected with the buckle (33), the ratchet wheel (222) is connected with the screw, the screw is connected with a liquid pushing part in the injection assembly, the actuating assembly (22) is driven to reciprocate by driving the electromagnetic driving assembly (30), and the pawl (221) drives the ratchet wheel (222) to rotate unidirectionally so as to drive the screw to reciprocate to push the liquid pushing part in the injection assembly to perform liquid medicine injection.

7. A removable patch insulin pump as in claim 4, wherein the needle cannula assembly comprises a needle cannula (41) and a needle cannula control device (40), the needle cannula (41) being connected to the reservoir assembly (20), the needle cannula control device (40) being adapted to drive the needle cannula (41) into or out of a patient.

8. A removable patch insulin pump as in claim 7, wherein the needle cannula control device (40) comprises a slider assembly (45), an elastic assembly (44) and a bevel stop assembly (46), the slider assembly (45) having a slide portion connected to the needle cannula (41); the inclined stop block assembly (46) forces the sliding block on the sliding block assembly (45) to reset through the pre-pressing elastic force exerted by the elastic assembly (44) and drives the needle tube (41) to be implanted into a patient; the inclined surface stop block assembly (46) overcomes the pre-pressing elastic force of the elastic assembly (44) through the matching of inclined surfaces and pushes the sliding part on the sliding block assembly (45) to drive the needle tube (41) to be implanted into a patient.

9. The detachable insulin pump according to claim 8, wherein the slide block assembly (45) comprises a first slide block (451), a second slide block (452) and a slide rail, the first slide block (451) is connected with the needle tube (41), a first conduction groove is formed in the first slide block (451), a second conduction groove is formed in the second slide block (452), a rubber tube (42) is sleeved on the outer side of the needle tube (41) and is arranged in the rubber tube (42) in a manner of being relatively displaced with the needle tube (41), the second conduction groove is used for accommodating the rubber tube (42), an adapting cavity is formed in the second slide block (452), a protruding positioning portion (421) is formed in the rubber tube (42), the positioning portion (421) is adapted to the adapting cavity, the needle tube (41) penetrates into the rubber tube (42) through the positioning portion (421), a blocking hole (454) is formed in one end of the second slide block (452) away from the first slide block (451), and the second slide block assembly (452) is arranged on one side of the second slide block (452), and the second slide block assembly (46) is arranged between the first slide block (45).

10. The detachable patch type insulin pump according to claim 9, wherein the sealing body (422) is sleeved on the outer side of one end of the rubber tube (42) close to the patch (13), and the sealing body (422) is located at the joint of the rubber tube (42) and the patch (13).