CN114699071A - Continuous blood glucose monitor and applicator thereof - Google Patents
Continuous blood glucose monitor and applicator thereof Download PDFInfo
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- CN114699071A CN114699071A CN202210627766.7A CN202210627766A CN114699071A CN 114699071 A CN114699071 A CN 114699071A CN 202210627766 A CN202210627766 A CN 202210627766A CN 114699071 A CN114699071 A CN 114699071A
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- applicator
- sliding block
- guide
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- glucose monitor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14503—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
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Abstract
The invention relates to the technical field of medical equipment, in particular to an applicator of a continuous blood glucose monitor and the blood glucose monitor. An applicator for a continuous blood glucose monitor, comprising: the sliding block is arranged in the outer shell of the applicator in a driven and sliding manner, a detection needle is further arranged on the sliding block, and a cannula connected with the detection needle in a sliding manner is further sleeved outside the detection needle; the intubation tube is arranged on the sliding block in a sliding manner through the intubation tube fixing piece; the first driving part drives the insertion tube and the probe needle to extend out and penetrate into an object to be detected; a second drive member that drives the cannula in the extended position to retract toward the interior of the applicator outer housing; a second drive member trigger mechanism comprising: the guide slide rail and the guide part that sets up in the guide slide rail that slides. The detection needle on the blood sugar sensor can be inserted into the human body through the structure, and the cannula can complete the retreating action when extending out for a certain length.
Description
Technical Field
The invention relates to the technical field of medical applicators, in particular to an applicator of a continuous blood glucose monitor and the blood glucose monitor.
Background
Diabetes is a group of metabolic diseases characterized by hyperglycemia. Hyperglycemia is caused by a defect in insulin secretion or an impaired biological action, or both. The chronic hyperglycemia results in chronic damage and dysfunction of various tissues, particularly eyes, kidneys, heart, blood vessels and nerves.
Conventional people with diabetes need to carry a self-monitoring blood glucose meter which needs to adopt a finger stick method to realize blood glucose detection. Due to lack of comfort and convenience, people with diabetes can typically only achieve measurements of glucose levels two to four times a day. Due to the small number of measurements and the long time intervals, this may lead to a too late finding of a hyperglycemic or hypoglycemic condition by people suffering from diabetes, and may even lead to dangerous side effects.
In order to solve the technical problems, the publication number is as follows: the patent application of CN108024716A provides a transcutaneous analyte sensor, applicator therefor, and associated method, which device can continuously monitor glucose levels by a sensor system comprising an on-skin sensor assembly. The sensor system has a wireless transmitter that transmits measurement data to a receiver that can process and display information based on the measurements. However, the existing products of the chinese enterprise lack the applicator for the continuous blood glucose monitor, and the domestic products cannot effectively realize the function of inserting the probe into the human body and withdrawing the cannula, thereby preventing the popularization of the blood glucose monitor capable of monitoring the glucose level in real time in China. To this end, there is a need in the art for an applicator for a continuous blood glucose monitor that allows insertion of a probe needle on a blood glucose sensor into the body and allows retraction of the cannula when extended to a certain length.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defect of the prior art that an applicator for a continuous blood glucose monitor, which is used for inserting a detection needle on a blood glucose sensor into a human body and realizing the action of retracting a cannula when the cannula extends for a certain length, is lacked, and in order to solve the problem, the invention provides the applicator for the continuous blood glucose monitor, which comprises the following components:
the sliding block is arranged in the applicator outer shell in a driving and sliding manner, a detection needle is further arranged on the sliding block, and a cannula which is connected with the detection needle in a sliding manner is further sleeved outside the detection needle; the insertion tube is arranged on the sliding block in a sliding mode through an insertion tube fixing piece;
the first driving part is provided with an extending position and drives the sliding block to slide towards the outlet position of the applicator outer shell so as to drive the insertion tube and the probe to extend and penetrate into an object to be detected;
a second drive member disposed in correspondence with said cannula mount for driving retraction of said cannula toward the interior of said applicator housing in said extended position;
a second drive member trigger mechanism comprising: a guide track disposed on one of the applicator outer housing and the cannula mount, and a guide disposed on the other of the applicator outer housing and the cannula mount and slidably disposed within the guide track; the guide sliding rail is used for guiding the intubation tube fixing piece to drive the intubation tube to retract at the extending position of the first driving part.
Optionally, the applicator of the continuous blood glucose monitor, further comprising:
the sensor fixing shell is driven to be detachably clamped on the applicator outer shell in a clamping manner, and the bottom of the sensor fixing shell is also provided with an adhering part for adhering and connecting with the object to be detected;
the sensor is clamped into the sensor fixing shell under the pushing of the sliding block; in a use state, the sensor is kept in the object to be detected through a sensor wire arranged in the detection needle in a penetrating mode.
Optionally, the first driving member is a first compression spring, one end of which is connected to the applicator outer housing in an abutting manner, and the other end of which is connected to the sliding block in an abutting manner; and/or the presence of a gas in the gas,
the second driving part is a second compression spring, one end of the second compression spring is connected with the cannula fixing part, and the other end of the second compression spring is abutted to the sliding block.
Optionally, the slider includes: the sliding block cover body is connected with the sliding block shell in a clamping mode; the sliding block cover body and the sliding block outer shell enclose a containing cavity for containing the intubation tube fixing piece.
Optionally, a limiting sleeve for accommodating the end of the first compression spring is further arranged on the sliding block cover body; and/or the presence of a gas in the gas,
the side part of the sliding block is provided with a limiting clamping groove, and sliding block trigger buttons which are arranged corresponding to the limiting clamping groove are further arranged on two sides of the outer shell of the applicator; the sliding block trigger button is connected with the limiting clamping groove in a clamping mode through a clamping hook so as to limit the first compression spring to drive the sliding block to extend out of the outer shell of the applying device.
Optionally, the guide rail includes: a first guide track for guiding the sliding block and the cannula mount to slide towards the applicator outer housing exit location, and a second guide track for guiding the cannula mount to retract towards the applicator outer housing interior;
the sliding block is provided with a transverse guide channel and a longitudinal guide channel which are matched with the first guide track and the second guide track; the transverse guide channel and the longitudinal guide channel form an L-shaped guide channel for accommodating the guide part.
Optionally, the number of the L-shaped guide channels is two, and the two L-shaped guide channels are symmetrically arranged on two sides of the sliding block; the intubation tube fixing piece is provided with two guide parts matched with the L-shaped guide channel.
Optionally, the cannula holder comprises: the spring comprises a spring sleeve and extension plates arranged on two sides of the spring sleeve;
the second compression spring is accommodated in the annular inner cavity of the spring sleeve, and the extending plate is provided with the guide part which slides along the transverse direction of the sliding block.
Optionally, the extension plate is provided with a transverse guide hole which is arranged along the transverse direction of the sliding block and is arranged corresponding to the transverse guide channel;
one end of the guide part is inserted into the guide sliding rail, and the other end of the guide part penetrates through the transverse guide hole and extends into the L-shaped guide channel.
Optionally, the cannula holder further comprises: the cannula accommodating cavity is arranged in the center of the spring sleeve and used for accommodating the cannula.
Optionally, the applicator of the continuous blood glucose monitor, further comprising:
a sensor mounting case bracket disposed between the slide block and the applicator outer case for holding the sensor mounting case; the sensor stationary housing bracket is operatively associated with the slide block for driving movement of the slide block out of the applicator outer housing.
Optionally, a sliding groove is formed in one of the sensor fixing shell bracket and the sliding block, and a boss matched with the sliding groove is formed in the other of the sensor fixing shell bracket and the sliding block;
in the extended position, the slide block pushes the sensor stationary housing bracket out of the applicator outer housing.
Optionally, a bracket guide part for guiding the sensor fixing shell bracket to move and a bracket limiting part for limiting the moving position of the sensor fixing shell bracket are further arranged on the applicator outer shell; the sensor fixing shell bracket is provided with a limiting end corresponding to the bracket limiting part.
Optionally, the guide slide is disposed on the applicator outer housing; the guide part is of a columnar structure and is arranged in the transverse guide hole of the intubation tube fixing part in a sliding mode.
Optionally, the spout is for setting up the ascending bar through-hole of length direction of sensor set casing bracket, the boss sets up the sliding block orientation sensor set casing bracket one side.
Optionally, the applicator outer housing is further provided with a spring limiting member detachably connected to the applicator outer housing, the spring limiting member abuts against the end of the first compression spring, and the spring limiting member is further provided with a cylindrical protrusion extending into the first compression spring.
A blood glucose monitor, comprising:
applicator for continuous blood glucose monitor, and
the signal emitter is clamped on the sensor fixing shell and used for sending the information detected by the sensor for detecting the blood sugar to the medical information receiving end; the sensor fixing shell is in driving detachable clamping connection with the applicator outer shell and used for accommodating the signal emitter and the sensor;
and the medical information receiving end is in communication connection with the signal transmitter and is used for receiving the information sent by the signal transmitter.
Optionally, the two sides and the end of the sensor fixing shell are respectively provided with a clamping jaw; and the signal emitter is provided with a clamping groove which is correspondingly arranged with the clamping jaw.
The technical scheme of the invention has the following advantages:
1. the applicator of the continuous blood glucose monitor of the present invention comprises: the sliding block is arranged in the outer shell of the applicator in a driven and sliding manner, a detection needle is further arranged on the sliding block, and a cannula which is connected with the detection needle in a sliding manner is further sleeved outside the detection needle; the intubation is arranged on the sliding block in a sliding mode through an intubation fixing piece;
the first driving part is provided with an extending position and drives the sliding block to slide towards the outlet position of the applicator outer shell so as to drive the insertion tube and the detection needle to extend and penetrate into an object to be detected; a second drive member disposed in correspondence with said cannula mount for driving retraction of said cannula toward the interior of said applicator housing in said extended position;
a second drive member trigger mechanism comprising: a guide track disposed on one of the applicator outer housing and the cannula mount, and a guide disposed on the other of the applicator outer housing and the cannula mount and slidably disposed within the guide track; the guide sliding rail is used for guiding the cannula fixing part to drive the cannula to retract at the extending position of the first driving part.
In the present invention, the cannula and the probe needle within the cannula can be effectively driven out of the applicator by the first drive member; in addition, the cannula can also be driven to retract by the second drive member. In order to ensure that the cannula triggers the retraction action at a preset time, the invention further comprises: the second drive member triggers the mechanism. The guide slide rail and the guide part on the second driving part triggering mechanism are respectively arranged on the applicator outer shell and the intubation tube fixing piece, so that the intubation tube fixing piece is guided by the guide slide rail to move in a certain distance under the driving of the first driving part and then driven by the second driving part to move in the direction opposite to the extending direction of the probe. Thereby realize after the intubate stretches out certain length, swiftly realize the retraction action of above-mentioned intubate effectively.
2. The applicator of the continuous blood glucose monitor of the present invention further comprises: the sensor fixing shell is driven to be detachably clamped on the applicator outer shell in a clamping manner, and the bottom of the sensor fixing shell is also provided with an adhesive part for adhering and connecting with the object to be detected; the sensor is clamped into the sensor fixing shell under the pushing of the sliding block; in a use state, the sensor is kept in the object to be detected through a sensor wire arranged in the detection needle in a penetrating mode.
According to the invention, the sensor can be effectively and firmly clamped into the sensor fixing shell and adhered to the object to be detected in the working process of the applicator through the sensor fixing shell, so that the real-time monitoring of the blood sugar is realized.
3. According to the applicator of the continuous blood sugar monitor, one end of the first driving component is connected with the outer shell of the applicator in an abutting mode, and the other end of the first driving component is connected with the sliding block in an abutting mode; and/or the second driving part is a second compression spring, one end of the second compression spring is connected with the cannula fixing piece, and the other end of the second compression spring is abutted to the sliding block.
In the invention, the first compression spring and the second compression spring can stably and reliably realize the driving action on the sliding block and the intubation tube fixing piece.
4. The applicator of the continuous blood glucose monitor of the present invention, the slider comprising: the sliding block cover body is connected with the sliding block shell in a clamping mode; the sliding block cover body and the sliding block outer shell enclose a containing cavity for containing the intubation tube fixing piece. And the sliding block cover body is also provided with a limiting sleeve for accommodating the end part of the first compression spring.
In the invention, the sliding block outer shell and the sliding block cover body which are connected in a clamping manner can be convenient for workers to assemble the internal structure of the sliding block. And, can also carry out spacing to first compression spring effectively through above-mentioned stop collar, guarantee its reliable and stable work.
5. According to the applicator of the continuous blood sugar monitor, the side part of the sliding block is provided with a limiting clamping groove, and sliding block trigger buttons which are arranged corresponding to the limiting clamping groove are further arranged on two sides of the outer shell of the applicator; the sliding block trigger button is connected with the limiting clamping groove in a clamping mode through a clamping hook so as to limit the first compression spring to drive the sliding block to extend out of the outer shell of the applying device.
In the invention, the sliding block trigger button limits the sliding block through the clamping hook. When the user presses the slider trigger button, the catch moves away from the slider so that the slider can slide toward the applicator housing outlet position under the drive of the first drive member.
6. The applicator of the continuous blood glucose monitor of the present invention, the guide rail comprises: a first guide track for guiding the sliding block and the cannula mount to slide towards the applicator outer housing exit location, and a second guide track for guiding the cannula mount to retract towards the applicator outer housing interior; the sliding block is provided with a transverse guide channel and a longitudinal guide channel which are matched with the first guide track and the second guide track; the transverse guide channel and the longitudinal guide channel form an L-shaped guide channel for accommodating the guide part.
In the invention, the sliding block is provided with a transverse guide channel and a longitudinal guide channel. When the guide part is in the transverse guide channel, the guide part slides in the first guide track, so that the sliding block is driven to slide towards the outlet position of the applicator outer shell, and the insertion tube and the detection needle slide towards the outlet direction of the applicator outer shell together in the process. After the sliding block slides to the preset distance, the guide part enters the second guide rail under the guide of the guide sliding rail. After the guide part enters the second guide track, the guide part can move towards the inside of the outer shell of the applying device under the drive of the second driving part, and the guide part is connected with the intubation tube fixing part so as to drive the intubation tube fixing part to move towards the inside of the outer shell of the applying device, so that the intubation tube is driven by the intubation tube fixing part to complete the retraction action.
7. The applicator of the continuous blood glucose monitor of the present invention, the cannula holder comprising: the spring comprises a spring sleeve and extension plates arranged on two sides of the spring sleeve; the second compression spring is accommodated in the annular inner cavity of the spring sleeve, and the extension plate is provided with the guide part which slides along the transverse direction of the sliding block.
In the invention, the second compression spring can be effectively limited and fixed through the spring sleeve, and the extension plates arranged on two sides of the spring sleeve are in sliding connection with the guide part, so that the cannula fixing part is stably and reliably driven to move through the second compression spring.
8. According to the applicator of the continuous blood sugar monitor, the extension plate is provided with the transverse guide holes which are arranged along the transverse direction of the sliding block and are arranged corresponding to the transverse guide channels; one end of the guide part is inserted into the guide sliding rail, and the other end of the guide part penetrates through the transverse guide hole and extends into the L-shaped guide channel.
In the invention, the transverse guide hole is arranged on the extension plate, so that the guide part can effectively move along the transverse direction of the sliding block in the sliding process of the guide slide rail, and the guide part can enter the second guide rail from the first guide rail.
9. The applicator of the continuous blood glucose monitor of the present invention further comprises: a sensor mounting case bracket disposed between the slide block and the applicator outer case for holding the sensor mounting case; the sensor stationary housing bracket is operatively associated with the slide block for driving movement of the slide block out of the applicator outer housing.
In the present invention, the sensor fixing housing bracket linked with the sliding block can effectively support the sliding block, so that the sliding block can be stably and reliably moved out of the applicator along the preset path.
10. According to the applicator of the continuous blood sugar monitor, a sliding groove is formed in one of the sensor fixing shell bracket and the sliding block, and a boss matched with the sliding groove is formed in the other of the sensor fixing shell bracket and the sliding block; in the extended position, the slide block pushes the sensor stationary housing bracket out of the applicator outer housing.
In the invention, the sliding grooves and the bosses which are respectively arranged on the sensor fixing shell bracket and the sliding block can effectively drive the sensor fixing shell bracket to move towards the outlet direction of the applicator in the moving process of the sliding block, thereby realizing the linkage of the sensor fixing shell bracket and the sliding block.
11. The applicator of the continuous blood sugar monitor is characterized in that a bracket guide part for guiding the sensor fixing shell bracket to move and a bracket limiting part for limiting the moving position of the sensor fixing shell bracket are further arranged on the outer shell of the applicator; the sensor fixing shell bracket is provided with a limiting end corresponding to the bracket limiting part.
Through above-mentioned bracket guide part, spacing portion of bracket and spacing end that have mutually supported can carry on spacingly to sensor set casing bracket moving path effectively, and then guarantee that sensor set casing bracket moves along predetermineeing the route steadily and reliably.
12. According to the applicator of the continuous blood glucose monitor, the outer shell of the applicator is further provided with a spring limiting piece detachably connected with the outer shell of the applicator, the spring limiting piece is abutted against the end part of the first compression spring, and the spring limiting piece is further provided with a cylindrical protrusion extending into the first compression spring.
In the present invention, the installation of the first compression spring to the applicator outer housing is effectively facilitated by the aforementioned spring retainer removably attached to the applicator outer housing.
13. The blood glucose monitor of the present invention comprises: the continuous blood sugar monitor comprises an applicator of the continuous blood sugar monitor and a signal emitter, wherein the signal emitter is clamped on a sensor fixing shell and is used for sending information detected by a sensor for detecting blood sugar to a medical information receiving end; the sensor fixing shell is in driving detachable clamping connection with the applicator outer shell and used for accommodating the signal emitter and the sensor; and the medical information receiving end is in communication connection with the signal transmitter and is used for receiving the information sent by the signal transmitter.
The blood glucose monitor in the present invention includes an applicator for a continuous blood glucose monitor, so the blood glucose monitor has all the advantages of the applicator.
14. According to the blood sugar monitor, the two sides and the end part of the sensor fixing shell are respectively provided with the clamping jaws; and the signal emitter is provided with a clamping groove which is correspondingly arranged with the clamping jaw.
The clamping jaws on the sensor fixing shell form a triangular structure, so that the signal transmitter is stably and reliably limited and fixed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the internal structure of an applicator of a continuous blood glucose monitor provided by the present invention;
FIG. 2 is a schematic perspective view of an applicator for a continuous blood glucose monitor according to the present invention;
FIG. 3 is an enlarged partial top view of the lumen of the applicator in the unactuated state of the applicator according to the present invention;
FIG. 4 is a schematic view of the present invention showing the cannula mount in an unactuated condition of the applicator;
FIG. 5 is a schematic view of the relative positions of the guide portion and the guide track of the cannula holder in the non-activated state of the applicator according to the present invention;
FIG. 6 is a schematic view of the present invention showing the installation position of the first driving member in the non-activated state of the applicator;
FIG. 7 is an enlarged view of a partial installation of the slider and applicator housing provided by the present invention;
FIG. 8 is a schematic view of the relative positions of a cannula and a probe provided by the present invention;
FIG. 9 is a perspective view of the cannula mount provided in the present invention;
FIG. 10 is a schematic perspective view of a slider according to the present invention;
FIG. 11 is a schematic view of a connection structure of a bracket of a sensor fixing case and a sensor fixing case provided in the present invention;
FIG. 12 is an enlarged schematic view of a sensor mounting housing bracket and applicator outer housing connection provided by the present invention;
fig. 13 is a schematic perspective view of a sensor fixing housing according to the present invention.
Description of reference numerals:
1-a slider; 2-applicator outer housing; 3, intubation; 4-a probe needle; 5-cannula fixing part; 6-a first drive member; 7-a second drive component; 8-a guide slide rail; 9-a guide; 10-a sensor-holding housing; 11-an adhesive part; 12-a sensor; 13-a slider housing; 14-a slider cover; 15-limiting clamping groove; 16-slider trigger button; 17-hook; 18-a first guide track; 19-a second guide track; a 20-L shaped guide channel; 21-a spring sleeve; 22-an extension plate; 23-a transverse guide hole; 24-a cannula receiving cavity; 25-a sensor retention housing bracket; 26-a carriage guide; 27-a bracket-limiting part; 28-a limiting end; 29-jaw; 30-spring limit stop.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
An applicator for a continuous blood glucose monitor in the present embodiment, as shown in fig. 1 and 2, includes:
the sliding block 1 is arranged in the applicator outer shell 2 in a driven and sliding manner, the sliding block 1 is further provided with a detection needle 4, and a cannula 3 connected with the detection needle 4 in a sliding manner is further sleeved outside the detection needle 4 as shown in fig. 8; the insertion tube 3 is arranged on the sliding block 1 in a sliding mode through an insertion tube fixing piece 5; in this embodiment, the slider 1 shown in fig. 10 includes: the sliding block cover comprises a sliding block outer shell 13 and a sliding block cover body 14 connected with the sliding block outer shell 13 in a clamping mode; the sliding block cover body 14 and the sliding block outer shell 13 enclose an accommodating cavity for accommodating the intubation tube fixing piece 5; a limiting sleeve for accommodating the end part of the first compression spring is further arranged on the sliding block cover body 14; as shown in fig. 1 and 10, a limit slot 15 is arranged at a side of the sliding block 1, and sliding block trigger buttons 16 corresponding to the limit slot 15 are further arranged at two sides of the applicator outer shell 2; the sliding block trigger button 16 is connected with the limiting clamping groove 15 in a clamping manner through a clamping hook 17 so as to limit the sliding block 1 driven by the first compression spring to extend out of the applicator outer shell 2;
the first driving part 6 is provided with an extending position, and the first driving part 6 drives the sliding block 1 to slide towards the outlet position of the applicator outer shell 2 so as to drive the insertion tube 3 and the detection needle 4 to extend and penetrate into an object to be detected; in the present embodiment, as shown in fig. 6, the first driving member 6 is a first compression spring having one end abutting against the applicator outer housing 2 and the other end abutting against the sliding block 1;
a second driving member 7, arranged in correspondence with said cannula mount 5, to drive retraction of said cannula 3 towards the inside of said applicator outer housing 2 in said extended position; in this embodiment, as shown in fig. 7, the second driving member 7 is a second compression spring having one end connected to the cannula fixing member 5 and the other end abutting against the sliding block 1;
a second drive member trigger mechanism comprising: a guide slide 8 disposed on the applicator outer housing 2, and a guide 9 disposed on the cannula mount 5 and slidably disposed within the guide slide 8; the guide slide rail 8 is of a columnar structure, is slidably arranged in the transverse guide hole 23 of the intubation tube fixing part 5, and is used for guiding the intubation tube fixing part 5 to drive the intubation tube 3 to retract at the extending position of the first driving part 6;
the sensor fixing shell 10 is driven to be detachably clamped on the applicator outer shell 2, and the bottom of the sensor fixing shell 10 is also provided with an adhering part 11 for adhering and connecting with the object to be detected;
a sensor fixing case bracket 25, as shown in fig. 11 and 12, the sensor fixing case bracket 25 being provided between the slide block 1 and the applicator outer case 2 for holding the sensor fixing case 10; the sensor fixing shell bracket 25 is arranged in linkage with the sliding block 1 and is used for driving the sliding block 1 to move out of the applicator outer shell 2; in this embodiment, the sensor fixing shell bracket 25 is provided with a sliding groove, and the sliding block 1 is provided with a boss matched with the sliding groove; the sliding groove is a strip-shaped through hole arranged in the length direction of the sensor fixing shell bracket 25, and the boss is arranged on the sliding block 1 facing to one side of the sensor fixing shell bracket 25. In the extended position, the sliding block 1 pushes the sensor stationary case bracket 25 out of the applicator outer case 2; as shown in fig. 12, the applicator outer housing 2 is further provided with a bracket guide 26 for guiding the movement of the sensor fixing housing bracket 25, and a bracket stopper 27 for limiting the movement position of the sensor fixing housing bracket 25; the sensor fixing shell bracket 25 is provided with a limiting end 28 corresponding to the bracket limiting part 27;
a sensor 12, wherein the sensor 12 is clamped in the sensor fixing shell 10 under the pushing of the sliding block 1; in the use state, the sensor 12 is retained in the object to be measured by a sensor wire inserted into the probe 4.
The spring limiting piece 30 is arranged on the applicator outer shell 2 and is detachably connected with the applicator outer shell, the spring limiting piece 30 is abutted against the end part of the first compression spring, and the spring limiting piece 30 is further provided with a cylindrical protrusion extending into the first compression spring.
In the present embodiment, as shown in fig. 5, the guide rail 8 includes: a first guide track 18 for guiding the sliding of the sliding block 1 and the cannula fixing part 5 towards the exit position of the applicator outer housing 2, and a second guide track 19 for guiding the retraction of the cannula fixing part 5 towards the inside of the applicator outer housing 2; the sliding block 1 is provided with a transverse guide channel and a longitudinal guide channel which are matched with the first guide track 18 and the second guide track 19; the transverse guide channel and the longitudinal guide channel constitute an L-shaped guide channel 20 for accommodating the guide part 9. Moreover, two L-shaped guide channels 20 are symmetrically arranged on two sides of the sliding block 1; the cannula fixing part 5 is provided with two guide parts 9 matched with the L-shaped guide channel 20.
In this embodiment, as shown in fig. 9, the cannula holder 5 includes: the insertion tube comprises a spring sleeve 21, extension plates 22 arranged on two sides of the spring sleeve 21, and an insertion tube accommodating cavity 24 arranged in the center of the spring sleeve 21 and used for accommodating the insertion tube 3. The second compression spring is accommodated in the annular inner cavity of the spring sleeve 21, and the guide part 9 sliding along the transverse direction of the sliding block 1 is arranged on the extension plate 22.
The extending plate 22 is provided with transverse guide holes 23 which are arranged along the transverse direction of the sliding block 1 and are arranged corresponding to the transverse guide channels; one end of the guide part 9 is inserted into the guide slide rail 8, and the other end of the guide part passes through the transverse guide hole 23 and extends into the L-shaped guide channel 20.
As shown in fig. 3 and 4, the applicator acts as follows:
when a user presses the slider trigger button 16, the hook 17 on the slider trigger button 16 is separated from the slider 1, and the limiting effect on the slider 1 is released. The slide block 1 slides towards the outlet of the applicator housing 2, pushed by the first driving member 6. In the process, the guide part 9 is in the transverse guide channel, and the guide part 9 slides in the first guide track 18, so that the sliding block 1 is driven to slide towards the outlet position of the applicator outer shell 2, and the insertion tube 3 and the detection needle 4 slide together towards the outlet direction of the applicator outer shell 2.
When the sliding block 1 slides to a preset distance, the guide part 9 enters the second guide track 19 under the guidance of the guide slide rail 8. After the guiding portion 9 enters the second guiding track 19, the guiding portion 9 will move towards the inside of the applicator outer housing 2 under the driving of the second driving member 7, and the guiding portion 9 is connected to the cannula fixing member 5 to drive the cannula fixing member 5 to move towards the inside of the applicator outer housing 2, so as to drive the cannula 3 to complete the retracting action through the cannula fixing member 5.
In the above process, the slider 1 pushes the sensor 12 into the sensor fixing case 10 and pushes the sensor fixing case 10 out of the applicator outer case 2 to be bonded on the object to be measured. Then, the signal emitter is clamped on the outer shell 2 of the applying device, and the signal emitter is in communication connection with the medical information receiving end so as to monitor the blood sugar condition of the object to be detected in real time.
Of course, the present embodiment is not particularly limited in its structure, and in other embodiments, the applicator does not include: sensor stationary housing 10 and sensor 12, sensor stationary housing 10 and sensor 12 are sold separately.
Of course, the present embodiment does not specifically limit the structures of the first driving member 6 and the second driving member 7, and in other embodiments, the first driving member 6 and the second driving member 7 may also be deformable and compressible rubber members.
Of course, the structure of the slider 1 is not particularly limited in this embodiment, and in other embodiments, the slider cover 14 and the slider case 13 that constitute the slider 1 are bonded together.
Of course, the structure of the cannula holder 5 is not limited in this embodiment, and in other embodiments, the second compression spring is connected to the cannula holder 5 in an abutting manner, and the side of the cannula holder 5 facing the second compression spring is fixedly connected to the second compression spring.
Of course, the structure of the sliding groove is not particularly limited in this embodiment, and in other embodiments, the sliding groove is a strip-shaped groove disposed in the length direction of the sensor fixing shell bracket 25, and the boss is disposed on the side of the sliding block 1 facing the sensor fixing shell bracket 25.
Of course, the specific structure of the guide rail 8 is not specifically limited in this embodiment, and in other embodiments, the guide rail 8 may also be a protruding structure, and the guide portion 9 is a groove that is snapped on the protruding structure.
Example 2
A blood glucose monitor, comprising:
applicator for continuous blood glucose monitor, and
the signal emitter is clamped on the sensor fixing shell 10 and used for sending information detected by the sensor 12 for detecting blood sugar to the medical information receiving end; the sensor fixing shell 10 is drivingly detachably clamped on the applicator outer shell 2 and is used for accommodating the signal emitter and the sensor 12; in the present embodiment, as shown in fig. 13, both sides and an end portion of the sensor fixing case 10 are provided with claws 29, respectively; the signal emitter is provided with a clamping groove which is arranged corresponding to the clamping jaw 29;
and the medical information receiving end is in communication connection with the signal transmitter and is used for receiving the information sent by the signal transmitter.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (18)
1. An applicator for a continuous blood glucose monitor, comprising:
the sliding block (1) is arranged in the applicator outer shell (2) in a driven and sliding manner, a detection needle (4) is further arranged on the sliding block (1), and a cannula (3) connected with the detection needle in a sliding manner is further sleeved outside the detection needle (4); the insertion tube (3) is arranged on the sliding block (1) in a sliding mode through an insertion tube fixing piece (5);
the first driving part (6), the first driving part (6) has an extending position, and the first driving part (6) drives the sliding block (1) to slide towards the outlet position of the applicator outer shell (2) so as to drive the insertion tube (3) and the detection needle (4) to extend and penetrate into an object to be detected;
a second driving member (7) arranged in correspondence with said cannula holder (5) to drive said cannula (3) in said extended position to retract towards the inside of said applicator outer housing (2);
a second drive member trigger mechanism comprising: a guide slide (8) disposed on one of the applicator outer housing (2) and the cannula mount (5), and a guide (9) disposed on the other of the applicator outer housing (2) and the cannula mount (5) and slidably disposed within the guide slide (8); the guide sliding rail (8) is used for guiding the intubation tube fixing piece (5) to drive the intubation tube (3) to retract at the extending position of the first driving part (6).
2. The applicator of the continuous blood glucose monitor of claim 1, further comprising:
the sensor fixing shell (10) is driven to be detachably clamped on the applicator outer shell (2), and the bottom of the sensor fixing shell (10) is also provided with an adhesive part (11) which is used for being adhered and connected with the object to be detected;
the sensor (12) is clamped into the sensor fixing shell (10) under the pushing of the sliding block (1); in the use state, the sensor (12) is kept in the object to be measured through a sensor wire arranged in the probe needle (4).
3. The applicator of the continuous blood glucose monitor according to claim 1, wherein the first driving member (6) is a first compression spring having one end in abutting connection with the applicator outer housing (2) and the other end in abutting connection with the sliding block (1); and/or the presence of a gas in the atmosphere,
the second driving part (7) is a second compression spring, one end of the second compression spring is connected with the intubation tube fixing part (5), and the other end of the second compression spring is abutted to the sliding block (1).
4. The applicator of the continuous blood glucose monitor of claim 3, wherein the slider (1) comprises: the sliding block cover comprises a sliding block outer shell (13) and a sliding block cover body (14) connected with the sliding block outer shell (13) in a clamping mode; the sliding block cover body (14) and the sliding block outer shell (13) enclose a containing cavity for containing the intubation tube fixing piece (5).
5. The applicator of the continuous blood glucose monitor of claim 4,
the sliding block cover body (14) is also provided with a limiting sleeve for accommodating the end part of the first compression spring; and/or the presence of a gas in the gas,
a limiting clamping groove (15) is formed in the side portion of the sliding block (1), and sliding block trigger buttons (16) which correspond to the limiting clamping groove (15) are further arranged on the two sides of the applicator outer shell (2); the sliding block trigger button (16) is connected with the limiting clamping groove (15) in a clamping mode through a clamping hook (17) so as to limit the first compression spring to drive the sliding block (1) to extend out of the applicator outer shell (2).
6. The applicator of the continuous blood glucose monitor according to any one of claims 3 to 5, wherein the guide slide (8) comprises: -a first guide track (18) for guiding the sliding block (1) and the cannula fixing member (5) to slide towards the applicator outer housing (2) exit position, and a second guide track (19) for guiding the cannula fixing member (5) to retract towards the inside of the applicator outer housing (2);
the sliding block (1) is provided with a transverse guide channel and a longitudinal guide channel which are matched with the first guide track (18) and the second guide track (19); the transverse guide channel and the longitudinal guide channel form an L-shaped guide channel (20) for accommodating the guide part (9).
7. The applicator of the continuous blood glucose monitor according to claim 6, wherein the L-shaped guide channels (20) are two and are symmetrically arranged on both sides of the sliding block (1); the intubation tube fixing piece (5) is provided with two guide parts (9) matched with the L-shaped guide channel (20).
8. The applicator of the continuous blood glucose monitor of claim 7, wherein the cannula mount (5) comprises: the spring comprises a spring sleeve (21) and extension plates (22) arranged on two sides of the spring sleeve (21);
the second compression spring is accommodated in an annular inner cavity of the spring sleeve (21), and the guide part (9) which slides along the transverse direction of the sliding block (1) is arranged on the extension plate (22).
9. The applicator of the continuous blood glucose monitor of claim 8,
the extending plate (22) is provided with transverse guide holes (23) which are arranged along the transverse direction of the sliding block (1) and are arranged corresponding to the transverse guide channels;
one end of the guide part (9) is inserted into the guide sliding rail (8), and the other end of the guide part penetrates through the transverse guide hole (23) and extends into the L-shaped guide channel (20).
10. The applicator of the continuous blood glucose monitor of claim 8, wherein the cannula mount (5) further comprises: and the cannula accommodating cavity (24) is arranged at the central position of the spring sleeve (21) and is used for accommodating the cannula (3).
11. The applicator of the continuous blood glucose monitor of claim 2, further comprising:
a sensor fixing shell bracket (25) arranged between the sliding block (1) and the applicator outer shell (2) for supporting the sensor fixing shell (10); the sensor fixing shell bracket (25) is arranged in linkage with the sliding block (1) and is used for driving the sliding block (1) to move out of the applicator outer shell (2).
12. The applicator of the continuous blood glucose monitor according to claim 11, wherein one of the sensor fixing housing bracket (25) and the sliding block (1) is provided with a sliding slot, and the other of the sensor fixing housing bracket (25) and the sliding block (1) is provided with a boss matched with the sliding slot;
in the extended position, the slider (1) pushes the sensor stationary case bracket (25) out of the applicator outer case (2).
13. The applicator of the continuous blood glucose monitor of claim 12, wherein the applicator outer housing (2) is further provided with a bracket guide part (26) for guiding the movement of the sensor fixing housing bracket (25), and a bracket limiting part (27) for limiting the movement position of the sensor fixing housing bracket (25); and a limiting end (28) corresponding to the bracket limiting part (27) is arranged on the sensor fixing shell bracket (25).
14. The applicator of the continuous blood glucose monitor of claim 9, wherein the guide sled (8) is disposed on the applicator outer housing (2); the guide part (9) is of a columnar structure and is arranged in a transverse guide hole (23) of the intubation tube fixing part (5) in a sliding mode.
15. The applicator of the continuous blood glucose monitor according to claim 12, wherein the sliding groove is a strip-shaped through hole disposed in a length direction of the sensor fixing case bracket (25), and the boss is disposed on a side of the sliding block (1) facing the sensor fixing case bracket (25).
16. The applicator of the continuous blood glucose monitor of claim 5, wherein the applicator outer housing (2) is further provided with a spring retainer (30) detachably connected thereto, the spring retainer (30) abuts against the end of the first compression spring, and the spring retainer (30) is further provided with a cylindrical protrusion extending into the first compression spring.
17. A blood glucose monitor, comprising:
the applicator of the continuous blood glucose monitor of any one of claims 1 to 16, and
the signal emitter is clamped on the sensor fixing shell (10) and used for sending information detected by the sensor (12) for detecting blood sugar to the medical information receiving end; the sensor fixing shell (10) is drivingly detachably clamped on the applicator outer shell (2) and is used for accommodating the signal emitter and the sensor (12);
and the medical information receiving end is in communication connection with the signal transmitter and is used for receiving the information sent by the signal transmitter.
18. The blood glucose monitor according to claim 17, wherein the sensor fixing housing (10) is provided with claws (29) at both sides and at an end portion thereof, respectively; and the signal emitter is provided with a clamping groove which is arranged corresponding to the clamping jaw (29).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210627766.7A CN114699071B (en) | 2022-06-06 | 2022-06-06 | Continuous blood glucose monitor's applier and blood glucose monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210627766.7A CN114699071B (en) | 2022-06-06 | 2022-06-06 | Continuous blood glucose monitor's applier and blood glucose monitor |
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| CN114699071A true CN114699071A (en) | 2022-07-05 |
| CN114699071B CN114699071B (en) | 2022-08-23 |
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Cited By (1)
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| WO2024039239A1 (en) * | 2022-08-19 | 2024-02-22 | 에스디바이오센서 주식회사 | Insertion device assembly for inserting analyte monitoring device |
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| CN114699071B (en) | 2022-08-23 |
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