CN112932478B

CN112932478B - Blood sugar measuring device

Info

Publication number: CN112932478B
Application number: CN202110150637.9A
Authority: CN
Inventors: 贾程芳; 吴巧玉
Original assignee: Zhejiang University ZJU
Current assignee: Zhejiang University ZJU
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-09-28
Anticipated expiration: 2041-02-03
Also published as: CN112932478A

Abstract

The invention discloses a blood sugar measuring device, which comprises a measuring instrument body for measuring blood sugar and a test strip insertion port arranged on the measuring instrument body, wherein a blood sampling mechanism is arranged on one side of the test strip insertion port of the measuring instrument body, wherein the test strip jack is extended from one side of the bracket to the test strip jack and is opposite to the test strip jack, the finger jack is positioned at the upper side of the test strip jack, the blood taking needle jack is extended upwards at the lower side of the bracket, the blood sampling device is characterized in that the blood sampling device vertically penetrates through the side edge of the test strip jack and the middle part of the finger jack, a supporting eave for placing a finger is arranged at the position, which leads to the blood sampling needle jack, of the finger jack, an extrusion mechanism for extruding the finger is arranged in the finger jack, the test strip is inserted into the test strip jack from the test strip jack, the blood sampling needle is inserted into the blood sampling needle jack and punctures the skin of the finger at the supporting eave, the blood sampling needle is tangent to the test strip at the hole penetration position, and blood flowing out of the finger reaches the test strip position to complete blood collection when flowing down along the blood sampling needle. The invention reduces the steps of required operation and improves the user experience on the whole.

Description

Blood sugar measuring device

Technical Field

The invention relates to a medical instrument, in particular to a blood sugar measuring device.

Background

Among the prior art, when daily blood sugar of measuring, can use the blood sampling pen earlier to adorn the blood taking needle, stab to the finger through the blood sampling pen percussion blood taking needle, then will have the finger of blood droplet to be close the examination strip, let the examination strip suck the blood, then this examination strip inserts blood glucose test appearance and obtains the blood sugar result. In the operation process, the blood sampling pen is directly held to prick the finger, so that a larger touch feeling can be given to people; dripping blood drops on the test strip to prevent the blood sucking position of the test strip from touching skin when the test strip sucks blood, so as to avoid influencing a test result or avoiding waste caused by scrapping of the test strip due to blood sucking error; the alternate taking and placing of the blood sampling pen and the blood glucose tester are complicated to use, and are not beneficial to storage and keeping.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a blood glucose measuring device, which is designed with blood sampling and blood glucose measuring equipment integrated into an integrated mechanical structure, is convenient for a user to store and use, quickly finishes blood sampling, blood transfer and subsequent detection, reduces the complexity of operation and improves the user experience.

The invention adopts the following technical scheme: a blood sugar measuring device comprises a measuring instrument body for measuring blood sugar, wherein a test strip insertion hole for inserting a test strip is arranged on the measuring instrument body, a blood sampling mechanism is arranged on one side of the test strip insertion hole of the measuring instrument body and comprises a support, a finger insertion hole, a test strip insertion hole, a blood sampling needle insertion hole, the test strip and the blood sampling needle, the test strip insertion hole extends from one side of the support to the test strip insertion hole, the test strip insertion hole is opposite to the test strip insertion hole, the finger insertion hole is positioned on the upper side of the test strip insertion hole, the blood sampling needle insertion hole extends upwards on the lower side of the support and vertically penetrates through the side edge of the test strip insertion hole and the middle part of the finger insertion hole, a supporting eave for placing the finger is arranged at the position of the finger insertion hole, the test strip is inserted into the test strip insertion hole from the test strip insertion hole, the blood sampling needle is inserted from the blood sampling needle insertion hole and punctures the skin of the finger at the supporting eave when in place, the blood taking needle is tangent with the examination strip at the penetrating position of the examination strip insertion opening when inserted into the blood taking needle insertion hole, and the blood flowing out of the finger reaches the examination strip position to finish blood collection when flowing down along the blood taking needle.

As an improvement, the inside wall of finger jack is provided with extrusion mechanism, extrusion mechanism includes the stripper plate, driving piece and the first piece that resets, driving piece and stripper plate are connected, the driving piece stretches out outside the support, the stripper plate is located the finger jack, the first piece that resets conflicts with the driving piece respectively, the support, it is spacing to conflict driving piece and stripper plate outwards, make the inside activity extrusion of stripper plate finger jack indicate when inwards pressing the driving piece, and compress the first piece that resets.

As an improvement, the two groups of squeezing mechanisms are symmetrically arranged on two sides of the inner side wall of the finger insertion hole.

As an improvement, a cotton block placing groove is arranged between the opening of the finger inserting hole and the supporting eaves, blocking edges are arranged on the upper edges of two sides of the cotton block placing groove, a cotton block is placed inwards from the opening of the finger inserting hole in the cotton block placing groove, and the cotton block is limited by the blocking edges on the two sides; the support eaves set up to the U-shaped, and the opening of U-shaped orientation finger jack's opening.

As an improvement, the blood taking needle comprises a needle body and an outer frame connected to the rear part of the needle body, a groove for bearing blood is arranged at a position, close to the needle body, of the outer frame, a blocking platform is arranged on the outer frame, a second resetting piece is arranged on the side edge of a blood taking needle jack, the blocking platform is abutted against the second resetting piece and is compressed in the process that the blood taking needle is continuously inserted into the blood taking needle jack, and the blood taking needle is ejected by the second resetting piece to be far away from fingers when force is not applied to the blood taking needle; when the baffle table is kept at the limit position where the second resetting piece is not compressed, the needle body does not contact the finger, and the side edge of the groove is correspondingly contacted with the test strip to transfer blood.

As an improvement, the length of the needle body and the outer frame is smaller than the length of the opening of the blood taking needle jack to the finger of the supporting eave, the rear portion of the outer frame is provided with a threaded hole, the length of the needle body and the outer frame is also larger than the length of the opening of the blood taking needle jack to the finger of the supporting eave, the length of the needle body and the outer frame and the length of the extension column are different from the length of the opening of the blood taking needle jack to the finger of the supporting eave, and the depth of the needle body penetrating the finger is adjusted by installing the extension columns with different length specifications.

As an improvement, the support is externally provided with a plurality of thread grooves for spirally accommodating the extension columns.

As an improvement, the surface of the test strip at the blood sampling position is provided with an outer film, one side of the outer frame is provided with a sharp edge, the upper end of the sharp edge is connected with the groove, and when the blood sampling needle is inserted into the process tangent to the test strip through the blood sampling needle insertion hole, the sharp edge is tangent to the blood sampling position of the test strip and cuts the outer film.

As an improvement, a baffle assembly is further arranged at the penetrating position of the test strip jack and the blood taking needle jack, the baffle assembly comprises a transverse baffle, a vertical baffle, a rotating shaft and a torsional spring, the rotating shaft is rotatably arranged on the support, the transverse baffle and the vertical baffle are arranged at intervals and are both connected to the rotating shaft, the vertical baffle is positioned at the test strip jack, the transverse baffle is positioned at the blood taking needle jack, and the torsional spring penetrates through the rotating shaft and is abutted and limited by the elastic force of the torsional spring; the cross slab contradicts on the support and transversely blocks the space of blood taking needle jack during initial state, and erects the space that the baffle vertically blockked the examination strip jack, and the blood taking needle received the cross slab and blockking of this moment can't insert the blood taking needle jack completely, contradicts when inserting the examination strip jack and erects the baffle and rotate, and the rotatory space of opening the blood taking needle jack of cross slab simultaneously, and the torsional spring holds power, and the blood taking needle can insert the blood taking needle jack completely this moment.

As an improvement, the finger jack, the test strip jack and the blood taking needle jack are all provided with detachable elastic plugs.

The invention has the beneficial effects that: through the integrated mechanical structure, after a finger of a user is punctured by the blood taking needle to bleed, the blood taking needle and the test strip can be matched to directly finish blood taking and blood transfer, the operation is simpler and more convenient, and the user only needs to put the finger in place and then to fire the blood taking needle; the steps of required operation are reduced, the problems of troublesome storage, high blood transfer requirement and easy scrapping of test strips caused by the split arrangement of the original blood sampling pen and the blood glucose tester are solved, and the user experience is integrally improved.

Drawings

FIG. 1 is a front perspective view of a blood glucose measuring device of the present invention.

Fig. 2 is a schematic cross-sectional side view of the finger insertion hole of the present invention.

Fig. 3 is a schematic top view of a finger receptacle according to the present invention.

FIG. 4 is a schematic cross-sectional side view of the test strip well and lancet well of the present invention.

FIG. 5 is a schematic sectional view of the front structure of the test strip well and the lancet well of the present invention.

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings.

Fig. 1, 2, 3, 4 and 5 show a blood glucose measuring device according to an embodiment of the present invention. The embodiment comprises a measuring instrument body 1 for measuring blood sugar, the measuring instrument body 1 is provided with a test strip insertion opening 11 for inserting a test strip, the measuring instrument body 1 is provided with a blood sampling mechanism 2 at one side of the test strip insertion opening 11, the blood sampling mechanism 2 comprises a support 21, a finger insertion hole 22, a test strip insertion hole 23, a blood sampling needle insertion hole 24, a test strip 3 and a blood sampling needle 4, the test strip insertion hole 23 extends from one side of the support 21 to the test strip insertion opening 11, the test strip insertion hole 23 is opposite to the test strip insertion opening 11, the finger insertion hole 22 is positioned at the upper side of the test strip insertion hole 23, the blood sampling needle insertion hole 24 extends upwards at the lower side of the support 21 and vertically penetrates through the side edge of the test strip insertion hole 23 and the middle part of the finger insertion hole 22, the finger insertion hole 22 is provided with a supporting eave 221 for placing a finger at the position leading to the blood sampling needle insertion hole 24, the test strip 3 is inserted into the test strip insertion hole 11 from the test strip insertion hole 23, the blood sampling needle 4 supports the finger at the position to pierce the skin at the position when the position, the blood taking needle 4 is tangent to the test strip 3 at the penetrating position of the test strip inserting port 11 when inserted into the blood taking needle inserting hole 24, and the blood flowing out of the finger reaches the test strip 3 when flowing down along the blood taking needle 4 to finish the blood collection.

When the invention is used, the measuring instrument body 1 can adopt a mature blood sugar tester in the prior art, and the mature blood sugar tester is not described any more, and the test strip insertion port 11 arranged on the measuring instrument body 1 is used for detecting the insertion of a test strip; the blood sampling mechanism 2 arranged on the test strip insertion port 11 side is used for positioning fingers, placing test strips and blood sampling needles, sampling blood and collecting blood transfer, and further measuring blood sugar. Wherein the bracket 21 is an entity bearing the finger insertion hole 22, the test strip insertion hole 23 and the blood taking needle insertion hole 24, a user firstly inserts the test strip from the test strip insertion hole 23 to the test strip insertion hole 11 in place as the vertical placement device shown in fig. 1; then, fingers are put in from the finger inserting holes 22 until the skin of the first knuckle of the fingers is placed on the supporting eaves 221 to be pressed downwards, the supporting eaves 221 form a supporting matched with the finger to be pressed downwards, the middle skin tissue can be elastically sunken to a certain extent, a convex part for the blood taking needle 4 to penetrate is formed downwards in the middle of the supporting eaves 221, and blood can be taken easily due to pressing congestion; then the blood taking needle 4 is inserted into the blood taking needle insertion hole 24, then the user places the whole device on a plane (such as a table top), in the contact process of the plane and the bracket 21, the lower blood taking needle 4 is collided and continuously inserted into the blood taking needle insertion hole 24, when the blood taking needle 4 is completely jacked into the blood taking needle insertion hole 24, the skin of a finger at the position of the supporting eave 221 can be punctured, blood flows out from the finger and flows down along the blood taking needle 4, the test strip 3 and the blood taking needle 4 are arranged in a vertical state and are tangent in structure, the movement in the hole is not influenced by the two, and the blood reaches the blood collecting position at the test strip 3 when the blood flows down from the blood taking needle 4 to complete blood collection; the meter body 1 can then test the blood glucose concentration from the blood. Then the user lifts the finger off the supporting eave 221, the puncture wound loses the extrusion of the supporting eave 221 to achieve a certain hemostasis effect, and the blood taking needle 4 and the test strip 3 can be taken out of the hole to be disposed, so that the blood taking needle is sanitary and convenient. The invention reduces the steps of the original required operation, overcomes the problem of the storage trouble caused by the separate arrangement of the original blood sampling pen and the blood glucose tester, and is convenient to take, place, use and store as a whole; the problems that the operation requirements of fingers are stable, blood is aligned to the blood sampling position of the test strip, the skin is not contacted with the blood sampling position and the like during blood transfer are solved, the blood is reversely put by the fingers to flow downwards at present, the transfer is completed by contacting the blood sampling needle 4 with the test strip 3, and the positions of the blood sampling needle 4 and the test strip 3 are stable, simple and convenient; the problem that the test strip is prone to being scrapped if misoperation is conducted is solved, cost is well controlled, and user experience is integrally improved.

As a modified specific embodiment, the inner side wall of the finger insertion hole 22 is provided with the squeezing mechanism 5, the squeezing mechanism 5 includes a squeezing plate 51, a driving member 52 and a first resetting member 53, the driving member 52 is connected with the squeezing plate 51, the driving member 52 extends out of the bracket 21, the squeezing plate 51 is located in the finger insertion hole 22, the first resetting member 53 respectively abuts against the driving member 52 and the bracket 21 to limit outward abutment of the driving member 52 and the squeezing plate 51, when the driving member 52 is pressed inward, the squeezing plate 51 is enabled to move inward to squeeze fingers in the finger insertion hole 22, and the first resetting member 53 is compressed.

As shown in fig. 1 and 2, in order to ensure the smooth blood sampling, a squeezing mechanism 5 is further arranged to assist the blood sampling in the face of some users with small blood vessels or difficult bleeding; after the blood taking needle 4 punctures the skin of the finger, the user can press the driving member 52 with the other hand to drive the squeezing plate 51 to squeeze the side surface of the finger, so as to achieve the function of further squeezing the puncture position and promote the outflow of blood, thereby being more convenient to obtain a sufficient amount of blood; after the user no longer applies force, the driving member 52 and the pressing plate 51 are pushed outwards by the restoring force of the first restoring member 53 to restore, and the pressing is released, so that the next use and finger picking and placing are facilitated.

As a modified embodiment, two sets of pressing mechanisms 5 are symmetrically arranged on both sides of the inner side wall of the finger insertion hole 22.

As shown in fig. 2, when the pressing mechanisms 5 are only provided in one group on one side, the fingers can be pressed by the pressing mechanisms 5 on one side together with the inner side walls of the finger insertion holes 22 on the other side, while the pressing mechanisms 5 are provided symmetrically on two sides in this embodiment, which is more convenient for the design and arrangement of the finger insertion holes 22, and the driving members 52 and the pressing plates 51 of the pressing mechanisms 5 on two sides can keep relatively consistent movement amount while moving inward against the elastic force of the first restoring member 53, and finally, the effect of uniformly pressing the positions on two sides of the fingers is achieved.

As a modified specific embodiment, a cotton block placing groove 222 is arranged between the opening of the finger insertion hole 22 and the supporting eave 221, blocking edges 223 are arranged on the two side edges of the cotton block placing groove 222, a cotton block 6 is placed in the cotton block placing groove 222 from the opening of the finger insertion hole 22, and the cotton block 6 is limited by the blocking edges 223 on the two sides; the support ledge 221 is provided in a U-shape with the opening of the U-shape facing the opening of the finger insertion hole 22.

As shown in fig. 1, 2 and 3, after blood collection is completed, effective hemostasis needs to be performed on the puncture position of the finger, so as to ensure safety and sanitation; the cotton block placing groove 222 is further arranged to place the cotton block 6 before blood sampling, the cotton block 6 is designed to be a cubic sheet structure matched with the cotton block placing groove 222, two sides of the cotton block 6 are inserted into the blocking edges 223 for limiting, and the cotton block 6 is taken and placed by being inserted into or taken out of the side edge of the cotton block placing groove 222 along the direction of the finger inserting hole 22; when the blood sampling device is used, after a finger finishes puncturing and blood sampling, the finger moves outwards, a gap is formed between the U-shaped supporting eave 221 and the cotton block 6, blood cannot be stained on the supporting eave 221 due to the fact that the finger is contacted with the finger, when a puncture opening in the finger reaches the cotton block 6, the cotton block 6 is pressed to protect and stop bleeding, then the cotton block 6 is moved out together along with the continuous moving-out of the finger, the protection and bleeding stopping functions are well achieved, the possibility that the finger insertion hole 22 is stained by the blood is also reduced in the whole process, the device is more sanitary, and the time spent for cleaning the support 21 is reduced.

As an improved specific embodiment, the blood collection needle 4 comprises a needle body 41 and an outer frame 42 connected to the rear part of the needle body 41, the outer frame 42 is provided with a groove 43 for bearing blood at a position close to the needle body 41, the outer frame 42 is provided with a stop 44, a second restoring piece 45 is arranged at the side of the blood collection needle insertion hole 24, the stop 44 abuts against the second restoring piece 45 and compresses when the blood collection needle 4 is continuously inserted into the blood collection needle insertion hole 24, and the blood collection needle 4 is ejected by the second restoring piece 45 to be away from fingers when no force is applied to the blood collection needle 4; when the abutment 44 is held in the extreme position where it does not compress the second restoring member 45, the needle 41 does not contact the finger and the side of the groove 43 comes into corresponding contact with the test strip 3 to transfer blood.

As shown in fig. 1, the needle body 41 is a metal part which is slender and used for puncturing the skin of a finger and guiding blood to flow down to the groove 43; the outer frame 42 is a non-metal part, preferably made of plastic material, and referring to the prior art, a plastic head part connected with the outer frame 42 can be additionally arranged to cover the needle body 41 for safe storage before use, and when in use, the weak connection part of the head part and the outer frame 42 is broken, and the head part is taken down to expose the needle body 41; the structure adaptation blood taking needle jack 24 of outrigger 42 and fender platform 44 size, the structure when realizing the dress corresponds, and the side of recess 43 corresponds the contact with examination strip 3, and structurally does not produce the contact with the inner wall of blood taking needle jack 24, and the non-staining blood taking needle jack 24 inner wall when realizing that blood taking needle 4 takes out. Groove 43 relies on its indent shape to bear the blood of certain capacity, and when the side of groove 43 and examination strip 3 correspond the contact, liquid relies on tension to be the drop form and bears in groove 43, and the surface only need contact examination strip 3 a little at the side can be adsorbed, accomplishes blood and shifts. The baffle table 44 serving as a protruding part can compress the second resetting part 45 to provide resilience force when continuing to advance after reaching the second resetting part 45, after the needle body 41 completes skin puncture, the user can push the blood taking needle 4 outwards by the second resetting part 45 under the condition that the user does not press the blood taking needle 4 any more, the blood taking needle 4 is prevented from continuously staying, and the needle body 41 is slightly separated from fingers in design, so that blood is convenient to stick to the needle body 41 and flow downwards into the groove 43 after seeping out from a puncture opening, and the pushed-out position of the blood taking needle 4 keeps the groove 43 to correspond to the test strip 3, and blood transfer is realized.

As an improved specific implementation mode, the length of the needle body 41 and the outer frame 42 is smaller than the length from the opening of the blood taking needle jack 24 to the fingers at the supporting eave 221, the rear part of the outer frame 42 is further provided with a threaded hole 46, the outer frame further comprises a plurality of extension columns 7 which are used for being screwed into the threaded hole 46, the plurality of extension columns 7 are set to be in different lengths, the length of the needle body 41, the length of the outer frame 42 and the extension columns 7 is larger than the length from the opening of the blood taking needle jack 24 to the fingers at the supporting eave 221, and the depth of the needle body 41 penetrating the fingers is adjusted by installing the extension columns 7 with different lengths.

As shown in fig. 1, for an optimized structural design of the blood collection needle 4, when the extension column 7 is not installed, if the blood collection needle 4 is installed in the blood collection needle insertion hole 24, fingers in the finger insertion hole 22 cannot be punctured even if the blood collection needle is inserted to the end, and certain safety is ensured; when the blood taking needle is normally used, the extension column 7 is installed, so that the whole body can completely enter the finger inserting hole 22 and then puncture the finger after the blood taking needle 4 and the length of the extension column 7 are arranged, and the function of puncturing and taking blood is completed; and in order to provide the function of adjusting the depth that the needle body 41 pierces the finger, adapt to different finger states, size, vascular state users and can collect blood smoothly, set up the extension post 7 of different length specifications, make up out the composite construction of difference in length after installing on blood taking needle 4 through helicitic texture, reach the function that control blood taking needle 4 pierces the skin depth of finger, make the device suitability wider.

As a modified embodiment, the bracket 21 is externally provided with a plurality of screw grooves 211 for spirally receiving the extension posts 7.

As shown in fig. 1, the plurality of screw grooves 211 are designed to receive the extension post 7, and have a simple structure, which is convenient for manufacturing and use.

As a modified embodiment, the surface of the test strip 3 at the blood sampling position is provided with an outer film, the outer frame 42 is provided with a sharp edge 47 at one side, the upper end of the sharp edge 47 is connected with the groove 43, and when the blood sampling needle 4 is inserted into the test strip 3 from the blood sampling needle insertion hole 24 in the process of being tangent to the test strip 3, the sharp edge 47 is tangent to the blood sampling position of the test strip 3 and cuts the outer film.

Under the embodiment, the test strip 3 is more beneficial to storage, and the surface of the blood sampling position is covered and is not polluted when not in use; when in use, after the blood taking needle 4 is inserted into the blood taking needle insertion hole 24, the sharp edge 47 corresponding to the surface of the blood taking position can scratch the outer film through the interference of the structure to expose the blood taking position; the blood collection position of the laceration corresponds to the groove 43, and blood transfer is performed when blood is accumulated to contact the blood collection position.

As an improved specific implementation manner, a baffle assembly 8 is further arranged at a penetrating position of the test strip insertion hole 23 and the blood taking needle insertion hole 24, the baffle assembly 8 comprises a transverse baffle 81, a vertical baffle 82, a rotating shaft 83 and a torsion spring 84, the rotating shaft 83 is rotatably arranged on the bracket 21, the transverse baffle 81 and the vertical baffle 82 are arranged at intervals perpendicular to each other and are both connected to the rotating shaft 83, the vertical baffle 82 is located at the test strip insertion hole 23, the transverse baffle 81 is located at the blood taking needle insertion hole 24, and the torsion spring 84 penetrates through the rotating shaft 83 and is used for abutting the transverse baffle 81 and the vertical baffle 82 against the rotating shaft for limiting by virtue of the elastic force of the torsion spring; horizontal baffle 81 contradicts on support 21 and transversely blocks the space of blood taking needle jack 24 during initial state, and erect baffle 82 and vertically block the space of examination strip jack 23, blood taking needle 4 receives the stopping of horizontal baffle 81 and can't insert blood taking needle jack 24 completely this moment, contradict when inserting examination strip 3 in examination strip jack 23 and erect baffle 82 and rotate, the rotatory space of opening blood taking needle jack 24 of horizontal baffle 81 simultaneously, and torsional spring 84 holds up power, blood taking needle 4 can insert blood taking needle jack 24 completely this moment.

As shown in fig. 4 and 5, the accuracy and safety of the device use are further improved by the arrangement of the baffle plate assembly 8, under the condition that the baffle plate assembly 8 is arranged, the initial state transverse baffle plate 81 is abutted on the support 21, if the blood taking needle 4 is directly inserted, the blood taking needle can be blocked by the transverse baffle plate 81, the blood taking needle 4 can not be continuously inserted into the finger insertion hole 22, the direct finger puncture of a user when forgetting to insert the test strip 3 can be avoided, the blood flows downwards and is not normally collected, and then the test strip insertion hole 23 and the blood taking needle insertion hole 24 in the support 21 are polluted, and the waste of the blood taking needle 4 and the pain of the user are caused. During normal use, insert examination strip 3 earlier in examination strip jack 23, erect baffle 82 and can be contradicted and rotate, also rotated with erecting baffle 82 coaxial horizontal baffle 81, open the space of blood taking needle jack 24, later blood taking needle 4 just can normally insert, and then can accomplish the finger and puncture blood sampling, blood is downflow and accomplish the transfer. After the operation is performed in the reverse direction, the blood collection needle 4 and the test strip 3 are sequentially taken out, and the transverse baffle 81 and the vertical baffle 82 can return to the initial state by virtue of the restoring force of the torsion spring 84, so that the placement of the blood collection needle 4 and the test strip 3 at the next time is limited. The structure guarantees that the user can not have the problem caused by the missed placement of the test strip 3, the accurate realization of the whole blood sampling measurement process is guaranteed, the possibility of misoperation is avoided, and the safety is higher.

As a modified embodiment, the finger insertion hole 22, the test strip insertion hole 23 and the lancet insertion hole 24 are provided with detachable elastic plugs 9.

As shown in figure 1, the elastic plug 9 is well adapted to three hole sites, and can shield when not in use, so that the dustproof and dirty-proof effects are realized.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A blood sugar measuring device comprises a measuring instrument body (1) for measuring blood sugar, wherein a test strip insertion port (11) for inserting a test strip is arranged on the measuring instrument body (1), and the blood sugar measuring device is characterized in that: the measuring instrument body (1) is provided with a blood sampling mechanism (2) on one side of a test strip insertion hole (11), the blood sampling mechanism (2) comprises a support (21), a finger insertion hole (22), a test strip insertion hole (23), a blood sampling needle insertion hole (24), a test strip (3) and a blood sampling needle (4), the test strip insertion hole (23) is formed by extending towards the test strip insertion hole (11) from one side of the support (21), the test strip insertion hole (23) is just opposite to the test strip insertion hole (11), the finger insertion hole (22) is positioned on the upper side of the test strip insertion hole (23), the blood sampling needle insertion hole (24) upwards extends on the lower side of the support (21) and vertically penetrates through the side edge of the test strip insertion hole (23) and the middle part of the finger insertion hole (22), a supporting eave (221) for placing fingers is arranged at the position leading to the blood sampling needle insertion hole (24) of the finger insertion hole (22), the test strip (3) is inserted into the test strip insertion hole (11) from the test strip insertion hole (23), the blood taking needle (4) is inserted from a blood taking needle insertion hole (24) and punctures the skin of a finger at a supporting eave (221) when in place, the blood taking needle (4) is tangent to the test strip (3) at the penetrating position of the blood taking needle insertion hole (24) and the test strip insertion hole (11) when being inserted, and the blood flowing out from the finger reaches the test strip (3) to finish blood collection when flowing down along the blood taking needle (4);

the inside wall of finger jack (22) is provided with extrusion mechanism (5), extrusion mechanism (5) are including stripper plate (51), driving piece (52) and the first piece (53) that resets, driving piece (52) and stripper plate (51) are connected, and driving piece (52) stretch out outside support (21), and stripper plate (51) are located finger jack (22), first piece (53) that resets conflicts with driving piece (52), support (21) respectively to it is spacing to conflict driving piece (52) and stripper plate (51) outwards, makes stripper plate (51) the finger in the inside activity extrusion finger jack (22) when inwards pressing driving piece (52), and compress first piece (53) that resets.

2. A blood glucose measuring device according to claim 1, wherein: two groups of squeezing mechanisms (5) are symmetrically arranged on two sides of the inner side wall of the finger insertion hole (22).

3. A blood glucose measuring device according to claim 1, wherein: a cotton block placing groove (222) is arranged between the opening of the finger inserting hole (22) and the supporting eave (221), blocking edges (223) are arranged on the upper edges of two sides of the cotton block placing groove (222), a cotton block (6) is placed in the cotton block placing groove (222) from the opening of the finger inserting hole (22), and the cotton block (6) is limited by the blocking edges (223) on the two sides; the supporting eaves (221) are U-shaped, and the openings of the U-shapes face the openings of the finger insertion holes (22).

4. A blood glucose measuring device according to claim 1, 2 or 3, wherein: the blood taking needle (4) comprises a needle body (41) and an outer frame (42) connected to the rear portion of the needle body (41), a groove (43) for bearing blood is formed in the position, close to the needle body (41), of the outer frame (42), a blocking platform (44) is arranged on the outer frame (42), a second resetting piece (45) is arranged on the side edge of the blood taking needle jack (24), the blocking platform (44) abuts against the second resetting piece (45) and is compressed in the process that the blood taking needle (4) is continuously inserted into the blood taking needle jack (24), and when the force is not applied to the blood taking needle (4), the blood taking needle (4) is ejected out by the second resetting piece (45) so as to be far away from fingers; when the stop (44) is kept at the limit position of not compressing the second resetting piece (45), the needle body (41) does not contact the finger, and the side edge of the groove (43) is correspondingly contacted with the test strip (3) to transfer blood.

5. A blood glucose measuring device according to claim 4, wherein: the length of needle body (41) and outrigger (42) is less than the opening of blood taking needle jack (24) to the length that supports eaves (221) department and point the finger, the rear portion of outrigger (42) still is provided with screw hole (46), still including a plurality of extension post (7) that are used for the spiral to pack into screw hole (46), and a plurality of extension post (7) set up to the different specification of length, the length of needle body (41), outrigger (42) and extension post (7) is greater than the opening of blood taking needle jack (24) to the length that supports eaves (221) department and point the finger, adjusts the degree of depth that needle body (41) pierced the finger through extension post (7) of installing different length specifications.

6. A blood glucose measuring device according to claim 5, wherein: the outer part of the bracket (21) is provided with a plurality of thread grooves (211) for spirally accommodating the extension column (7).

7. A blood glucose measuring device according to claim 4, wherein: examination strip (3) are provided with the outer film of one deck on the surface of blood sampling position, outrigger (42) are provided with sharp limit (47) in one side, the upper end connecting groove (43) of sharp limit (47), insert to the in-process tangent with examination strip (3) when blood taking needle (4) by blood taking needle jack (24), and sharp limit (47) are tangent and cut outer film with the blood sampling position of examination strip (3).

8. A blood glucose measuring device according to claim 1, 2 or 3, wherein: the test strip inserting hole (23) and the blood taking needle inserting hole (24) are provided with baffle components (8) in penetrating positions, each baffle component (8) comprises a transverse baffle (81), a vertical baffle (82), a rotating shaft (83) and a torsion spring (84), the rotating shaft (83) is rotatably arranged on the support (21), the transverse baffles (81) and the vertical baffles (82) are perpendicular to each other and are arranged at intervals and are connected to the rotating shaft (83), the vertical baffles (82) are located at the test strip inserting hole (23), the transverse baffles (81) are located at the blood taking needle inserting hole (24), and the torsion springs (84) penetrate through the rotating shaft (83) and are limited by abutting the transverse baffles (81) and the vertical baffles (82) through elastic force; horizontal baffle (81) contradict on support (21) and transversely block the space of blood taking needle jack (24) during initial condition, and erect baffle (82) and vertically block the space of examination strip jack (23), blood taking needle (4) receive the stopping of horizontal baffle (81) and can't insert blood taking needle jack (24) completely this moment, contradict when inserting examination strip jack (23) with examination strip (3) and erect baffle (82) and rotate, the rotatory space of opening blood taking needle jack (24) of horizontal baffle (81) simultaneously, and torsional spring (84) hold up power, blood taking needle (4) can insert blood taking needle jack (24) completely this moment.

9. A blood glucose measuring device according to claim 1, 2 or 3, wherein: the finger insertion holes (22), the test strip insertion holes (23) and the blood taking needle insertion holes (24) are all provided with detachable elastic plugs (9).