TWM591619U - Continuous glucose monitor - Google Patents

Abstract

A continuous glucose monitoring machine includes a monitoring transmitter and an insertion device. The monitoring transmitter includes an insertion needle, a transmission device, a protective cover and a sensor. The sensor is located on the insertion needle and connected to the transmission device, and the protective cover is configured to protect the insertion needle. The insertion needle includes a fixing portion and a needle portion, the fixing portion is provided on a rear side of the transmission device, and the needle portion is connected to the fixing portion and protrudes through the transmission device to a front side of the transmission device. The insertion device includes a needle withdrawing module, the needle withdrawing module includes a rod body, and the top of the rod body has a structure matching the shape of the fixing portion of the insertion needle to detachably fix the fixing portion .

Description

Continuous glucose monitor

The present invention relates generally to a continuous glucose monitoring (CGM) machine, and in particular to an installation module for continuous glucose monitoring (CGM) machine.

The current continuous glucose monitoring (CGM) product is a measurement of the user's glucose value that does not require blood collection. These CGM products are worn for many days before being removed and replaced, so Able to perform frequent glucose value measurement. For CGM products, reference may be made to the structures of US Patent Nos. US7660615 and US9993188B2.

The CGM product includes a sensor part and a treatment part. The sensor part is inserted and positioned under the skin, and the treatment part adheres to the outer surface of the skin (for example, the back of the arm). The sensor that has been inserted under the skin provides a signal to the processing part of the CGM product, and the signal represents the glucose value of the user's blood. The measurement behavior can be performed automatically multiple times throughout the day (for example, every 5 minutes). The processing part of the CGM product may include a circuit for decoding the signal provided by the sensor, and a storage for A circuit that stores or transmits information about the glucose value of the user's blood.

However, there is room for further improvement of these products.

An object according to an embodiment of the present invention is to provide a continuous glucose monitoring machine whose insertion device can be used repeatedly.

According to an embodiment of the present invention, a continuous glucose monitoring machine is provided which includes a monitoring transmitter and an insertion device. The monitoring transmitter includes an insertion needle, a transmission device, a protective cover and a sensor. The sensor is located on the insertion needle and connected to the transmission device, and the protective cover is configured to protect the insertion needle. The insertion needle includes a fixing portion and a needle portion, the fixing portion is provided on a rear side of the transmission device, and the needle portion is connected to the fixing portion and protrudes through the transmission device to a front side of the transmission device. The insertion device includes a needle withdrawing module, the needle withdrawing module includes a rod body, and the top of the rod body has a structure matching the shape of the fixing portion of the insertion needle to detachably fix the fixing portion .

In an embodiment, the insertion device further includes a body and a telescopic body, and the telescopic body is telescopically disposed on the body. The needle withdrawing module further includes a key-pressing device and a needle-withdrawing elastic body, and the needle-withdrawing module is provided in the telescopic body, and the needle-withdrawing elastic body is located between the rod body and the keying device for passing the key The device releases the elastic potential energy of the needle withdrawing elastic body, so that the rod body The rear side of the glucose monitor moves.

In an embodiment, the protective cover includes a clamping portion, the clamping portion is located on the bottom side of the protective cover, the shape of the clamping portion matches the shape of the fixing portion, and the fixing portion can be clamped, so that The user uses the protective cover to pull out the insertion needle.

In one embodiment, the rod body includes a rod hook portion. The key device includes a lever locking portion, an operation button and a device body. In a first state, the lever hook portion of the lever body is locked to the lever body locking portion, the operation button is connected to the device body, and the position of the operation button corresponds to the position of the lever hook portion.

In an embodiment, after the operation button is pressed against the lever hook portion, the lever hook portion is disengaged from the lever body locking portion, and the lever body is inserted into the lever body due to the elastic force of the needle retracting elastic body The rear side of the device moves and protrudes from the telescopic body, and then forms a second state.

In one embodiment, the insertion device includes at least one trigger key and a trigger elastomer. The trigger key is located on the outer surface of the body. The trigger elastic body is disposed between the body and the retractable body, so that when the retractable body moves to the rear side of the body, the trigger elastic body deforms and stores energy in the form of elastic potential energy in the trigger elastic body .

In an embodiment, the telescopic body includes a supporting portion, a connecting portion and a handle portion, and the connecting portion is connected between the supporting portion and the handle portion, the supporting portion can move relative to the body It is movably arranged in the body, and at least one side end of the supporting part is respectively formed with a trigger hook part. The transmission device is disposed on the support portion, and the handle portion protrudes outside the body for the user to hold.

In an embodiment, in a third state, the trigger hook portion protrudes toward the trigger key on the inner side of the body, the trigger hook portion is caught by a locking portion of the body, and the trigger hook portion resists Lean on or near the trigger key.

In an embodiment, in the state after the trigger key is pressed, the trigger hook part is disengaged from the locking part, and the telescopic body moves to the front side of the body again due to the elastic potential energy of the trigger elastic body until the hand The part is stuck at the bottom of the body and enters a fourth state.

In one embodiment, the monitoring transmitter further includes an adhesive layer, which is located on the front side of the transmission device, so that the transmission device is adhered to the user's skin through the adhesive layer.

In one embodiment, the operation button protrudes from the retractable body, and the operation button is located at a position where the body can be touched after the displacement of the retractable body. Preferably, the operation button protrudes from the telescopic body, and after the trigger key is pressed, the operation button touches the body after the telescopic body moves to the front side of the body.

According to an embodiment of the present invention, since the insertion needle is detachably fixed to the needle withdrawing module, the insertion needle can be pulled out of the insertion device, so the insertion device 100 can be reused repeatedly, reducing The user monitors the cost of glucose value.

100‧‧‧insertion device

110‧‧‧Body

111‧‧‧accommodation space

112‧‧‧Lower case

113‧‧‧Upper case

113a‧‧‧locking part

114‧‧‧Retract

120‧‧‧Telescopic body

121‧‧‧Support

122‧‧‧Connection

123‧‧‧Handlebar Department

123a‧‧‧trigger hook

130‧‧‧Trigger key

140‧‧‧Trigger elastomer

150‧‧‧Needle ejection module

151‧‧‧rod

151a‧‧‧bar hook

152‧‧‧key device

152a‧‧‧Bar locking part

152b‧‧‧Operation button

152c‧‧‧device body

153‧‧‧Retractive elastomer

190‧‧‧Skin

200‧‧‧Continuous glucose monitor

210‧‧‧Monitoring transmitter

211‧‧‧insert needle

211a‧‧‧Fixed Department

211b‧‧‧Needle

212‧‧‧ Transmission device

213‧‧‧Sensor

214‧‧‧Protection cover

214a‧‧‧Clamping Department

215‧‧‧ Adhesive layer

FIG. 1 shows an exploded perspective view of a continuous glucose monitoring machine according to an embodiment of the present invention; and an enlarged view of its monitoring transmitter.

FIG. 2 shows a perspective view of a continuous glucose monitoring machine according to an embodiment of the present invention.

FIG. 3 shows a cross-sectional view of the first state of the continuous glucose monitor in the connection of two trigger keys according to an embodiment of the present invention.

FIG. 4 shows a cross-sectional view of the second state of the continuous glucose monitoring machine in the connection of two trigger keys according to an embodiment of the present invention.

FIG. 5 shows a cross-sectional view of a continuous glucose monitoring machine in a first state of an operation button according to an embodiment of the present invention.

FIG. 6 shows a cross-sectional view of the continuous glucose monitoring machine in the second state of the operation button according to an embodiment of the present invention.

FIG. 7 shows a cross-sectional view of the continuous glucose monitoring machine in the third state of the operation button according to an embodiment of the present invention.

FIG. 8 shows a cross-sectional view of the continuous glucose monitoring machine in the fourth state of the operation button according to an embodiment of the present invention.

9 is a cross-sectional view of the fifth state of the operation button of the continuous glucose monitoring machine according to an embodiment of the present invention.

FIG. 10 shows the sixth state of the operation button of the continuous glucose monitoring machine according to an embodiment of the present invention Section view.

FIG. 11 shows a cross-sectional view of a continuous glucose monitoring machine in a first state of an operation button according to another embodiment of the present invention.

FIG. 12 shows a cross-sectional view of a continuous glucose monitoring machine in a second state of an operation button according to another embodiment of the present invention.

FIG. 1 shows an exploded perspective view of a continuous glucose monitoring machine according to an embodiment of the present invention; and an enlarged view of a monitoring transmitter. FIG. 2 shows a perspective view of a continuous glucose monitoring machine according to an embodiment of the present invention. As shown in FIGS. 1 and 2, the continuous glucose monitoring machine 200 includes a monitoring transmitter 210 and an insertion device 100. The insertion device 100 defines an accommodating space 111 for accommodating the monitoring transmitter 210. When the user wants to install the monitoring transmitter 210 on the user's skin, the monitoring transmitter 210 is first placed in the accommodating space 111.

As shown in the enlarged view of the monitoring transmitter of FIG. 1, the monitoring transmitter 210 includes an insertion pin 211, a transmission device 212, a protective cover 214, and a sensor 213 (as shown in FIGS. 6 and 7). The sensor 213 is located in the insertion needle 211. The fixing portion 211a of the insertion needle 211 is located at the rear side of the transmission device 212. The needle portion 211b of the insertion needle 211 is connected to the fixing portion 211a, and passes through the transmission device 212 and protrudes from the front side of the transmission device 212. Layer 215 is used to adhere the transmission device 212 to the user's skin. The protective cover 214 is provided on the front side of the transmission device 212 to protect the needle portion 211b of the insertion needle 211. As shown in FIG. 7 described later, the sensor 213 is connected to the transmission device 212, and The sensor 213 (shown in FIG. 7) is inserted into the user's skin with the needle portion 211b to sense the glucose value in the user's blood.

FIG. 3 shows a cross-sectional view of the first state of the continuous glucose monitor in the connection of two trigger keys according to an embodiment of the present invention. As shown in FIG. 3, the insertion device 100 includes at least a trigger key 130, a trigger elastic body 140, a needle retracting module 150 (as shown in FIG. 5 ), a body 110 and a retractable body 120. The body 110 includes an upper casing 113 and a lower casing 112. The upper casing 113 defines an accommodating space 111 and is connected to the lower casing 112. Preferably, the width of the upper housing 113 is greater than the width of the lower housing 112. Therefore, the bottom side of the upper housing 113 is formed with a retracted portion 114, and the end of the retracted portion 114 is connected to the lower housing 112. The trigger key 130 is located on the outer surface of the body 110, preferably on the outer surface of the upper casing 113, for the user to press.

The retractable body 120 is retractably provided on the body 110. The retractable body 120 includes a supporting portion 121, a connecting portion 122 and a handle portion 123. The connection part 122 is connected between the support part 121 and the handle part 123. The supporting portion 121 is movably disposed in the upper casing 113 relative to the body 110, and two opposite side ends of the supporting portion 121 are respectively formed with a trigger hook portion 123a. The connecting portion 122 can be disposed in the body 110 so as to move relative to the body 110. Preferably, it is mainly installed in the lower housing 112. In the installed state (the state in FIG. 2), the transmission device 212 is provided in the support portion 121. The handle portion 123 protrudes outside the lower casing 112 for the user to hold, and is used to climb out or push the retractable body 120 into the lower casing 112. The trigger elastic body 140 is disposed between the body 110 and the retractable body 120. When the retractable body 120 moves to the rear side of the body 110, the trigger elastic body 140 deforms and stores energy in the trigger elastic body 140 in the form of elastic potential energy.

During operation, as shown in FIG. 2, in the installed state of FIG. 2, the user holds the handle portion 123 and pulls the retractable body 120 toward the rear side of the body 110 to deform the trigger elastic body 140 to allow the energy to elastically The form of energy is stored in the trigger elastomer 140. In one embodiment, as shown in FIG. 3, the trigger elastic body 140 may be a spring, and the trigger elastic body 140 respectively abuts between the support portion 121 (eg, the back surface) and the retracted portion 114 (eg, the surface thereof) When the retractable body 120 moves toward the rear side of the body 110, the trigger elastic body 140, which is a spring, is compressed. At this time, the trigger hook portion 123a moves against the inner side of the upper housing 113 toward the rear side of the body 110 until the trigger housing 130 is near the position where the trigger key 130 is provided, the trigger hook portion 123a is detached from the upper housing due to elasticity The inner side of 113, then protrudes or shifts to the trigger key 130 (the third state in request item 8), so that the trigger hook 123a is caught by the locking portion 113a of the upper case 113, and abuts or approaches the trigger key 130.

Subsequently, the protective cover 214 of the monitoring transmitter 210 is removed. FIG. 4 shows a cross-sectional view of the second state of the continuous glucose monitoring machine in the connection of two trigger keys according to an embodiment of the present invention. As shown in FIG. 4, the continuous glucose monitor 200 of FIG. 3 is placed on a skin 190, and then the trigger key 130 is pressed to disengage the trigger hook portion 123a from the locking portion 113a. After the trigger hook portion 123a is separated from the locking portion 113a, the retractable body 120 moves to the front side of the body 110 (downward in the figure) due to the elastic potential of the trigger elastic body 140 until the handle portion 123 is stuck in the lower case The bottom end of the body 112 (the fourth state in the request item 9). At this time, the transmission device 212 is adhered to the skin 190 of the user through the adhesive layer 215, and the insertion needle 211 is inserted into the skin 190, so that the sensor 213 is placed in the skin 190 (as shown in FIG. 7).

FIG. 5 shows a cross-sectional view of a continuous glucose monitoring machine in a first state of an operation button according to an embodiment of the present invention. The needle withdrawing module 150 includes a rod body 151, a button device 152, and a needle withdrawing elastic body 153. The needle withdrawing module 150 is provided in the retractable body 120, and the rod body 151 can move relative to the retractable body 120. The elastic potential energy of the needle withdrawing elastic body 153 is released through the key device 152 to move the rod body 151 to the rear side of the continuous glucose monitoring machine 200. The key device 152 includes a lever locking portion 152a, an operation button 152b, and a device body 152c. The tip of the rod body 151 has a structure matching the shape of the fixing portion 211a of the insertion needle 211 to detachably fix the fixing portion 211a. The needle-retracting elastic body 153 is located between the rod body 151 and the key device 152, and in the state of FIG. 5, elastic potential energy is stored due to deformation.

In the state of FIG. 5 (the first state corresponding to request item 4), a lever hook portion 151a of the lever body 151 is locked to the lever body locking portion 152a, and the operation button 152b is connected to the device body 152c. The position of the operation button 152b corresponds to the position of the lever hook portion 151a. The operation button 152b has elasticity, and the operation button 152b is away from the lever hook portion 151a in the relaxed state, and the operation button 152b abuts the lever hook portion 151a in the pressed state to disengage the lever hook portion 151a from the lever body locking portion 152a and release The elastic potential energy of the needle elastic body 153. The operation button 152b is exposed to the casing of the retractable body 120 for the user to press.

FIG. 6 shows a cross-sectional view of the continuous glucose monitoring machine in the second state of the operation button according to an embodiment of the present invention. As shown in the state of FIG. 6 (corresponding to the second state of request item 5), after the operation button 152b is pressed, the lever hook portion 151a disengages from the lever body locking portion 152a, and the lever body 151 is elasticized by the needle retracting elastic body 153 It moves toward the rear side (upper side in the drawing) of the insertion device 100 by force, and protrudes from the telescopic body 120. The needle portion 211b inserted into the needle 211 will detach from the skin 190 and the transmission device 212 and keep the sensor 213 in the skin 190.

FIG. 7 shows the third state of the continuous glucose monitoring machine according to an embodiment of the present invention in the third state of the operation button Profile view. FIG. 8 shows a cross-sectional view of the continuous glucose monitoring machine in the fourth state of the operation button according to an embodiment of the present invention. As shown in FIG. 7, the insertion device 100 is moved away from the skin 190. At this time, the needle portion 211 b is submerged in the retractable body 120 and the upper case 113. To pull out the insertion needle 211, as shown in FIG. 8, press the rod body 151 toward the front side of the monitoring transmitter 210, so that the rod body 151 enters the retractable body 120, and the insertion needle 211 is located closest to the top end of the upper case 113 , The needle portion 211b preferably protrudes from the top end of the upper housing 113. More specifically, the insertion needle 211 is retracted to the initial position.

9 is a cross-sectional view of the fifth state of the operation button of the continuous glucose monitoring machine according to an embodiment of the present invention. 10 is a cross-sectional view of the sixth state of the operation button of the continuous glucose monitoring machine according to an embodiment of the present invention. As shown in FIG. 9, the protective cover 214 is placed in the accommodating space 111, and the fixing portion 211 a of the insertion needle 211 is clamped by the bottom end of the protection cover 214, and then the insertion needle 211 is pulled out as shown in FIG. 10 Accommodation space 111. As shown in FIG. 10, the protective cover 214 includes a clamping portion 214a. The clamping portion 214a is located on the bottom side of the protective cover 214. The shape of the clamping portion 214a matches the shape of the fixing portion 211a to clamp the fixing portion 211a, thereby Let the user use the protective cover 214 to pull out the insertion needle 211.

FIG. 11 shows a cross-sectional view of a continuous glucose monitoring machine in a first state of an operation button according to another embodiment of the present invention. FIG. 12 shows a cross-sectional view of a continuous glucose monitoring machine in a second state of an operation button according to another embodiment of the present invention. FIG. 11 is a state before the trigger key 130 is pressed, and FIG. 12 is a state after the trigger key 130 is pressed. As shown in FIG. 11, the operation button 152 b is exposed and also protrudes from the retractable body 120, and is located near the body 110. After the trigger key 130 is pressed, the retractable body 120 moves to the front side of the body 110 due to the triggering of the elastic potential of the elastic body 140. At this time, the operation button 152b also moves toward the front side of the body 110. Finally, as shown in FIG. 12, since the operation button 152b protrudes from the telescopic body 120, the operation The button 152b will touch the body 110, and the operation button 152b is pressed by the body 110 at this time. In the state of being pressed by the body 110, the operation button 152b abuts the lever hook portion 151a to disengage the lever hook portion 151a from the lever body locking portion 152a, and the lever body 151 will be inserted into the insertion device 100 due to the elastic force of the needle retracting elastic body 153 Move on the back side.

In an embodiment, the operation button 152b is disposed at a position where the body 110 can be touched after the telescopic body 120 is displaced. Preferably, the operation button 152b protrudes from the retractable body 120, and the distance between the operation button 152b and the body 110 is smaller than the distance traveled by the retractable body 120. In the embodiments of FIGS. 11 and 12, when the trigger key 130 is pressed, the operation button 152b is also pressed by the body 110 due to the displacement of the retractable body 120. This design does not require the user to additionally press the operation button 152b. The needle can be automatically retracted, which reduces the operation steps of the user and is convenient for the user to use.

According to an embodiment of the present invention, since the insertion needle 211 is detachably fixed to the needle withdrawing module 150, the insertion needle 211 can be pulled out of the insertion device 100. With such a design, the insertion device 100 can be reused. Therefore, the user can only purchase a new monitoring transmitter 210 without discarding the used insertion device 100, and using the insertion device 100 repeatedly, reducing The second use requires the cost of purchasing the insertion device 100, which reduces the cost for the user to monitor the glucose value.

100‧‧‧insertion device

110‧‧‧Body

111‧‧‧accommodation space

120‧‧‧Telescopic body

150‧‧‧Needle ejection module

211‧‧‧insert needle

211a‧‧‧Fixed Department

211b‧‧‧Needle

214‧‧‧Protection cover

Claims (12)

A continuous glucose monitoring machine includes: a monitoring transmitter including an insertion needle, a transmission device, a protective cover and a sensor, wherein the sensor is located on the insertion needle and is connected to the transmission device, the protection The cover is configured to protect the insertion needle, and the insertion needle includes a fixing portion and a needle portion, the fixing portion is provided on a rear side of the transmission device, and the needle portion is connected to the fixing portion and passes through the transmission The device protrudes from a front side of the transmission device; and an insertion device includes a needle withdrawing module, wherein the needle withdrawing module includes a rod body, and the top of the rod body has a shape corresponding to the fixed portion of the inserted needle The matching structure is used to detachably fix the fixing part. The continuous glucose monitoring machine according to claim 1, wherein the insertion device further includes a body and a telescopic body, and the telescopic body is telescopically disposed on the body, and the needle withdrawal module further includes a key device and A needle-retracting elastic body, and the needle-retracting module is arranged in the retractable body, the needle-retracting elastic body is located between the rod body and the key device, and is used to release the elastic potential energy of the needle-retracting elastic body through the key device, Move the rod towards the back of the continuous glucose monitor. The continuous glucose monitoring machine according to claim 2, wherein the protective cover includes a clamping portion, the clamping portion is located on the bottom side of the protective cover, and the shape of the clamping portion matches the shape of the fixing portion to enable Clamp the fixing part, so that the user can use the protective cover to pull out the insertion needle. The continuous glucose monitoring machine according to claim 2, wherein the rod body includes a rod hook, The key device includes a lever body locking portion, an operation button, and a device body, and in a first state, the lever hook portion of the lever body is locked to the lever body locking portion, and the operation button is connected In the device body, the position of the operation button corresponds to the position of the lever hook portion. The continuous glucose monitoring machine according to claim 4, wherein, after the operation button is pressed against the lever hook portion, the lever hook portion is disengaged from the lever body locking portion, and the lever body is elastic due to the needle withdrawal The elastic force of the body moves toward the rear side of the insertion device and protrudes from the telescopic body, thereby forming a second state. The continuous glucose monitoring machine according to any one of claims 2 to 5, wherein the insertion device includes at least one trigger key and a trigger elastic body, the trigger key is located on an outer surface of the body, and the trigger elastic body is provided at Between the body and the retractable body, when the retractable body moves toward the rear side of the body, the trigger elastic body deforms, and energy is stored in the trigger elastic body in the form of elastic potential energy. The continuous glucose monitoring machine according to claim 6, wherein the retractable body includes a supporting portion, a connecting portion and a handle portion, and the connecting portion is connected between the supporting portion and the handle portion, the supporting portion It can be arranged in the body movably relative to the body, and at least one side end of the supporting part is respectively formed with a trigger hook part, the transmission device is arranged on the supporting part, and the handle part protrudes outside the body for The user holds it. The continuous glucose monitoring machine according to claim 7, wherein, in a third state, the trigger hook portion protrudes to the trigger key on the inner side of the body, and the trigger hook portion is caught by a lock of the body And the trigger hook abuts or approaches the trigger key. The continuous glucose monitoring machine according to claim 8, wherein, In the state after the trigger key is pressed, the trigger hook part disengages from the locking part, and the telescopic body moves to the front side of the body again due to the elastic potential energy of the trigger elastic body until the handle part is stuck The bottom end of the body enters a fourth state. The continuous glucose monitoring machine according to claim 9, wherein the monitoring transmitter further includes an adhesive layer located on the front side of the transmission device, so that the transmission device adheres to the user's skin through the adhesive layer . The continuous glucose monitor according to any one of claims 4 to 5, wherein the operation button protrudes from the retractable body, and the operation button is located at a position where the body can be touched after the displacement of the retractable body. The continuous glucose monitoring machine according to claim 9, wherein the operation button protrudes from the telescopic body, and in a state after the trigger key is pressed, the operation button is configured after the telescopic body moves to the front side of the body Touch the body.

Images