Blood glucose measuring device with replaceable test strip cartridges

Abstract

This invention discloses a blood glucose measuring device with a replaceable test strip cartridge, comprising a blood glucose test strip cartridge and a measuring unit. The cartridge has a cartridge body with an internal receiving space, a top notch, and a bottom notch, and a cover is provided at the top notch. Multiple blood glucose test strips are arranged vertically along their long sides in the receiving space and are kept in their ordered state by a pushing component. Each test strip has a blood receiving portion, plastic bumps, and a protective film covering the electrical contact structure. The measuring unit has a receiving groove and a recess at the bottom of the groove. A metal sensing electrode plate is located in the recess to conduct electricity with the test strip's electrical contacts. A removal mechanism is also provided to eject the used test strip. During measurement, the user inserts the first test strip into the sequence through the bottom notch and opens the cover to expose the blood receiving portion. After measurement, the used test strip is ejected by the removal mechanism, and the pushing component pushes the next test strip for replacement. This device has advantages such as convenient cartridge replacement, automatic test strip replenishment, and simple operation, improving blood glucose measuring efficiency and user experience.

Claims

1. A blood glucose measuring device with a replaceable test strip cartridge, comprising: a blood glucose test strip cartridge, comprising: a cartridge body, which is a rectangular structure and has an internal accommodating space; the upper left corner of the cartridge body has a top notch communicating with the accommodating space, and the top notch covers the front and rear sides of the cartridge body; the lower left corner of the cartridge body has a bottom notch communicating with the accommodating space, and the bottom notch covers the front and rear sides of the cartridge body; the cartridge body is provided with a cover at the top notch, the cover being used to open or close the top notch; A pushing assembly, located in the receiving space corresponding to the right side of the cartridge body, includes a push plate and a plurality of elastic members, one end of which is fixed to the right side of the receiving space, and the other end connected to one side of the push plate; and a plurality of blood glucose test strips, each a rectangular sheet, mounted in the receiving space, each blood glucose test strip arranged in the receiving space with its long side perpendicular to the bottom side of the cartridge body and parallel to each other. Each blood glucose test strip has: a first side facing the left side of the cartridge body; a second side facing the right side of the cartridge body opposite to the first side; a blood receiving part located on the first side; a plurality of plastic bumps located on the second side, the protrusion height of which is 1 to 3 times the thickness of the blood glucose test strip; an electrical contact structure located at one end of the blood glucose test strip; and a protective film covering the electrical contact structure. After the blood glucose test strips are installed in the receiving space, the blood receiving parts correspond to the top notch position, and the electrical contact structure corresponds to the bottom notch position; the number of blood glucose test strips is N, with the leftmost blood glucose test strip being the first in sequence, wherein the plastic protrusions of the first to N-1 blood glucose test strips abut against the first side of the next blood glucose test strip, and the plastic protrusions of the Nth blood glucose test strip abut against the push plate, thereby compressing the elastic elements; and a measuring host, comprising: a housing having a receiving groove for holding the blood glucose test strip cartridge, and the receiving groove having a recess on the bottom side for inserting the first blood glucose test strip; a metal sensing electrode plate disposed in the recess for forming an electrical connection with the electrical contact structure; and a removal structure disposed in the housing for pushing the used blood glucose test strip out of the recess; A processor, disposed within the housing and electrically connected to the metal sensing electrode plate, is used to calculate blood glucose concentration; and a display module, disposed within the housing and electrically connected to the processor, is used to display the blood glucose measurement result; wherein, in use, after the protective film of the first blood glucose test strip is removed through the bottom notch, the blood glucose test strip is inserted downward into the recess through the bottom notch, and the cover is opened to expose the blood receiving part to the top notch to receive blood; after the blood glucose measurement is completed, the used blood glucose test strip is pushed out of the recess using the removal structure, and after the used blood glucose test strip is removed, the elastic members push the push plate to make the next blood glucose test strip move forward to replenish it.

2. The blood glucose measuring device as described in claim 1, wherein, The inner rear surface of the cartridge body has a guide recess, which has an open end on the left side of the cartridge body. The guide recess has a depth of D and a height of H. The width of each blood glucose test strip is W and the length is L, and the relationship is 0.2W≦D≦0.4W, L≦H≦1.2L.

3. The blood glucose measuring device as described in claim 1 or 2, wherein, The blood glucose test strip cartridge includes a switching component, one end of which is located within the receiving space and the other end of which is located outside the cartridge body. The switching component includes a grip, a connecting rod, and a baffle. The baffle is located within the receiving space and is correspondingly located on the left side of the cartridge body to block the second blood glucose test strip in sequence. One end of the connecting rod is connected to the baffle, and the other end is connected to the grip. The grip is located outside the cartridge body. When the user grips the grip and moves it upward, the baffle moves upward synchronously, causing the second blood glucose test strip in sequence to be pushed forward by the pushing component to fill the gap. In addition, at least one side of each blood glucose test strip is provided with a lug.

4. The blood glucose measuring device as described in claim 3, wherein, The outer surfaces of the rear and right sides of the cartridge body are provided with at least one first assembly part, and the receiving groove is provided with a plurality of second assembly parts corresponding to the first assembly parts. The first assembly parts and the second assembly parts are assembled together so that the blood glucose test strip cartridge is installed in the receiving groove.

5. The blood glucose measuring device as described in claim 4, wherein, The first assembly parts are convex ribs, and the second assembly parts are grooves.

6. The blood glucose measuring device as described in claim 5, wherein, The electrical contact structure is located at the bottom region of the first side or the second side.

7. The blood glucose measuring device as described in claim 6, wherein, The removal structure includes a rod and a control element. One end of the rod extends outside the housing and is connected to the control element, while the other end extends into the recess for pushing the blood glucose test strips from the bottom. The rod moves upward synchronously in response to the upward push of the control element, thereby pushing the blood glucose test strips away from the recess.

8. The blood glucose measuring device as described in claim 7, wherein, The removal structure includes at least one spring, one end of which is connected to one side of the rod and the other end is fixed to the recess so that the rod can automatically return to its initial position after operation.

9. The blood glucose measuring device as described in claim 8, wherein, The measurement host further includes a scanner, which is located in the housing and electrically connected to the processor.

10. The blood glucose measuring device as described in claim 9, wherein, The distance between the plastic bumps on each of the blood glucose test strips is 0.4 to 0.8 cm, and the height of the bumps is 0.1 to 0.5 cm.

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