JP2004061209A - Sensor connector and specimen measurement device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a sensor connector for safely connecting a sensor and a specimen measurement device. <P>SOLUTION: The sensor connector 10, comprising a base 14, electrodes 16a and 16b equipped on the base 14, a sensor connecting part 20 for connecting a bio-sensor 18 to the electrodes 16a and 16b, and a base connecting part 24 for connecting the electrodes 16a and 16b to a printed circuit board 22 used for the sensor, is equipped with a sliding member 32 for pushing out the bio-sensor 18 from the sensor connecting part 20 by making the member to be slid against the base 14. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a sensor connector for attaching a sensor such as an enzyme sensor to a printed board, and a sample measurement device using the sensor connector.
[0002]
[Prior art]
Conventionally, biosensors have been used for testing blood or urine. As an example of this biosensor, FIG. 14 shows a biosensor 1 for measuring a blood glucose level in blood. The biosensor 1 displays the blood glucose level by or through the printed board by connecting the two electrodes 2 and 3 to the printed board and putting the molecular recognition unit 5 near the tip 4 into the blood. It is configured to be able to. The biosensor 1 is a consumable item, and is removed from the printed board and discarded after measuring the blood sugar level.
[0003]
Here, since the operation of removing the biosensor 1 from the printed board after the measurement was performed while a person was holding the biosensor 1 by hand, blood attached to the biosensor 1 caused hepatitis C, human immunodeficiency syndrome, etc. There is a risk of infection, and the removal work of the biosensor 1 has been performed with great care, such as wearing gloves. For this reason, it has been desired that the safe removal operation of the biosensor 1 can be easily performed.
[0004]
[Problems to be solved by the invention]
The inventor of the present invention has intensively studied to find out the cause of such a problem and to solve the problem, and as a result, the present invention has been achieved.
[0005]
That is, the present invention provides a sensor connector and a sample measurement device that can easily remove a biosensor from a printed board without touching the biosensor, so that the biosensor can be removed safely and easily from the printed board. It is intended to provide a device.
[0006]
[Means for Solving the Problems]
The sensor connector according to the present invention includes a base, an electrode provided on the base, a sensor connector for connecting a predetermined sensor to the electrode, and a board connector for connecting the electrode to a predetermined printed board. The sensor connector is characterized in that the sensor is detachably connected to the electrode, and extruding means is provided for pushing the sensor out of the sensor connection to remove the sensor from the sensor connection.
[0007]
Such a sensor connector is a sensor connector configured so that the sensor can be pushed out of the sensor connector without touching the sensor connector to separate the sensor from the sensor connector or loosen the fixed state.
[0008]
Further, in the sensor connector according to the present invention, the sensor is a biosensor.
[0009]
Such a sensor connector is a sensor connector used for a biosensor for testing blood, urine, and the like, thereby preventing infection to an operator.
[0010]
Further, in the sensor connector of the present invention, the sensor connection portion is configured to insert the sensor and connect to the electrode, and the pushing unit is configured by a sliding member that slides with respect to the base. Then, by sliding the sliding member in the direction opposite to the insertion direction of the sensor with respect to the base while pressing the sliding member with a finger, the sensor slides with respect to the sensor connection portion, and the sensor is moved. It is characterized by being pushed out from the sensor connection part.
[0011]
Such a sensor connector is a sensor connector configured such that a sensor can be easily pushed out of the sensor connector by sliding a sliding member.
[0012]
Further, in the sensor connector of the present invention, the sliding member has an engaging portion which is engaged with a sensor inserted into the sensor connecting portion, and the sliding member is engaged with the sensor while engaging the engaging portion with the sensor. The sensor is pushed out from the sensor connection portion by sliding a moving member with respect to the base.
[0013]
Such a sensor connector is a sensor connector configured to reliably push out the sensor from the sensor connector by engaging the engagement portion of the sliding member with the sensor.
[0014]
Further, in the sensor connector of the present invention, the sensor is press-fitted into the sensor connection portion so as to be immovable in a direction other than the normal or reverse direction of the insertion direction, and the sliding member is inserted into the base. The sliding member is fitted to the base so that the sliding member cannot move in a direction other than the normal direction or the reverse direction.
[0015]
Such a sensor connector slides by moving the sliding member and the sensor in parallel with respect to the base in a direction opposite to the insertion direction of the sensor in a state where the engaging portion of the sliding member is engaged with the sensor. It is a sensor connector configured so that an engagement state between a member and a sensor is not released. Further, such a sensor connector is configured such that the sensor is press-fitted and inserted, so that the fixed state between the sensor and the sensor connector becomes loose as the sensor is pushed out from the sensor connector. It is a sensor connector.
[0016]
Further, in the sensor connector according to the present invention, a protrusion for sliding the sliding member against the base while pressing the sliding member with a finger is provided.
[0017]
Such a sensor connector is a sensor connector configured such that a finger can be hung on a convex portion of the sliding member to slide the sliding member easily and reliably.
[0018]
Further, the sensor connector of the present invention includes a base, an electrode provided on the base, a sensor connection portion for connecting a predetermined sensor to the electrode, and a board connection portion for connecting the electrode to a predetermined printed board. The sensor connector includes a connection detecting unit that detects that the sensor is connected to the sensor connection unit.
[0019]
Such a sensor connector is a sensor connector configured so that an operator can recognize that the sensor has been connected to the sensor connection portion so that measurement by the sensor can be performed.
[0020]
Further, the sample measurement device of the present invention includes a base, an electrode provided on the base, a sensor connection unit for connecting a predetermined sensor to the electrode, and a board connection unit for connecting the electrode to a predetermined print board. In a sample measurement device including a sensor connector, a sensor connected to the sensor connector, and a printed board connected to the sensor connector, the sensor is detachably connected to an electrode of the sensor connector, and the sensor is connected to the sensor connector. A pushing means for pushing out from the sensor connection portion of the sensor connector is provided.
[0021]
Such a sample measuring device is a sample measuring device provided with the sensor connector of the present invention.
[0022]
BEST MODE FOR CARRYING OUT THE INVENTION
Next, the sensor connector and the sample measurement device according to the present invention will be described in detail with reference to the drawings.
[0023]
1 to 5 and 8, reference numeral 10 denotes a sensor connector of the present invention, and reference numeral 12 denotes a sample measuring device of the present invention. The sensor connector 10 includes a base 14, electrodes 16 a and 16 b provided on the base 14, a sensor connection portion 20 for connecting the biosensor 18 to the electrodes 16 a and 16 b, and electrodes 16 a and 16 b to a printed substrate 22 for sensors. And a sliding member (extruding means) 32 that slides with respect to the base 14 to push out the biosensor 18 from the sensor connecting portion 20. The sample measuring device 12 includes the sensor connector 10, a biosensor 18 connected to the sensor connector 10, and a printed board 22 connected to the sensor connector 10.
[0024]
As shown in FIGS. 6 and 7, the sensor connection portion 20 of the base 14 is connected by inserting the biosensor 18 into a deep groove 26 formed below the electrode built-in portion 25 by projecting the electrode built-in portion 25. It is configured to be able to. The electrodes 16a and 16b slightly protrude from the electrode built-in portion 25 into the groove 26. The electrodes of the biosensor 18 are brought into contact with the protruding portions and pressed to elastically deform the electrodes 16a and 16b. It is configured such that the press-fit 18 can be detachably inserted into the groove 26. In addition, since the biosensor 18 is inserted while the side ends on both sides in the insertion direction of the biosensor 18 are slid along the side surface 31 of the groove 30 of the base 14, the biosensor 18 can be inserted in a direction other than the insertion direction. It is immovably inserted into the sensor connector 10.
[0025]
As shown in FIGS. 6 and 7, the board connecting portion 24 is formed by protruding the electrodes 16 a and 16 b on the back side of the base 14 so that the electrodes 16 a and 16 b can contact the electrodes of the printed board 22. Is configured. The base 14 is fixed to the print board 22 by screws 29.
[0026]
The sliding member 32 is configured to slide with respect to the base 14, and presses the cylindrical convex portion 34 of the sliding member 32 with a finger in a direction opposite to the insertion direction of the biosensor 18 with respect to the base 14. By sliding in the direction, the biosensor 18 slides with respect to the sensor connection portion 20, and the biosensor 18 is pushed out of the sensor connection portion 20.
[0027]
Further, the sliding member 32 has an engaging portion 33 that is engaged with the biosensor 18 connected to the sensor connection portion 20, and the sliding member 32 is connected to the base while the engaging portion 33 is engaged with the biosensor 18. The biosensor 18 is configured to be pushed out of the sensor connection portion 20 by sliding with respect to 14. The sliding member 32 has two U-shaped ends 36 on both sides with respect to the sliding direction, and the inner peripheral surface of the U-shaped side end 36 is formed on both sides of the base 14. The outer peripheral surface of the end 38 is slidably engaged. The sliding member 32 has a projection 40 and is slidably engaged with the elongated hole 42 of the base 14. That is, the sliding member 32 is slidably fitted to the base 14 so that the sliding member 32 cannot move with respect to the base 14 except in the forward or reverse direction of the insertion direction of the biosensor 18. I have.
[0028]
In addition, the sensor connector 10 includes a connection detection unit 41 that detects that the biosensor 18 has been inserted into the sensor connection unit 20. As shown in FIG. 7, the connection detecting unit 41 inserts the biosensor 18 into the sensor connection portion 20 to a position where the biosensor 18 can be electrically connected to the electrodes 16a and 16b. The biosensor 18 is configured to be deformed, contact the electrode 44b, and energize, and to detect that the biosensor 18 has been inserted so as to be measurable.
[0029]
Such a sensor connector 10 and the sample measurement device 12 have a predetermined structure when the base 14 is fixed to the printed board 22 in advance, the sliding member 32 is engaged with the base 14, and a test of blood or urine is performed. The biosensor 18 is inserted into the groove 26 of the sensor connection 20. When the biosensor 18 is inserted into the groove 26, the biosensor 18 engages with the engaging portion 33 of the sliding member 32, and the sliding member 32 slides in the insertion direction of the biosensor 18. As shown in (a), the biosensor 18 is attached to the sensor connector 10.
[0030]
When the biosensor 18 is inserted into the groove 26, the electrodes of the biosensor 18 come into contact with the electrodes 16 a and 16 b in the base 14, and the measurement by the biosensor 18 becomes possible. When the biosensor 18 is inserted into the groove 26, the electrode 44 a contacts the electrode 44 b, and the insertion of the biosensor 18 indicates that the biosensor 18 has been inserted into the LED or LCD of the printed board 22 or the LED via the printed board 22. Alternatively, it is displayed on an LCD or the like, and the operator can recognize that the biosensor 18 is connected so as to be able to measure.
[0031]
Next, for example, when measuring the blood glucose level in the blood, the molecular recognition unit 48 near the tip of the biosensor 18 connected to the sensor connector 10 is put into the blood. When the molecular recognition unit 48 of the biosensor 18 is put into the blood, the electrodes 16a and 16b are energized, and the blood glucose level is detected by the printed board 22.
[0032]
When the measurement of the blood glucose level is completed in this way, the sample measuring device 12 connected to the biosensor 18 is held on the disposal container, and the convex portion 34 of the sliding member 32 is pressed by a finger, and The member 32 is pushed out and slid in the direction opposite to the insertion direction of the biosensor 18. Since the biosensor 18 is engaged with the engaging portion 33 of the sliding member 32, the biosensor 18 is pressed by the sliding member 32, and the biosensor 18 is also pushed out together with the sliding member 32 as shown in FIG. It is. The extruded biosensor 18 is put into the disposal container without being touched by a finger.
[0033]
According to such a sensor connector 10 and the sample measurement device 12, after the measurement by the biosensor 18, the sliding member 32 is slid with a finger, whereby the biosensor 18 is easily removed from the sensor connector 10 and disposed. it can. For this reason, the biosensor 18 itself can be discarded without touching it with a finger, and the safe disposal of the biosensor 18 can be easily performed from the viewpoint of preventing blood infection. Further, the safety of the disposal work can be further improved.
[0034]
Before the measurement by the biosensor 18, the connection detection unit 41 can detect that the biosensor 18 has been inserted into the sensor connector 10 in a measurable manner. For this reason, the measurement by the biosensor 18 can be reliably performed, and the accuracy and efficiency of the measurement operation can be improved.
[0035]
As described above, one embodiment of the present invention has been described, but the sensor connector and the sample measuring device of the present invention can be implemented in other embodiments.
[0036]
For example, the sensor connector 50 shown in FIGS. 9 to 11 may be used. The sensor connector 50 has a configuration in which the two slopes 57 on both sides of the sliding member 56 are slidably engaged with the two slopes 54 of the base 52, so that the biosensor 18 is inserted in a direction other than the forward or reverse direction. The sliding member 56 is fitted to the base 52 so that cannot move. The lower surface of the sliding member 56 is in contact with the projection 68 on the elastic plate 70 of the base 52. When the sliding member 56 is attached to the base 52, the sensor connecting portion 58 of the base 52 has a groove 66 formed by the electrode built-in portion 62 protruding into the hole 60 of the base 52 and the bottom surface 64 of the hole 60. It is configured such that the biosensor 18 can be inserted into the device. In addition, since the biosensor 18 is inserted while sliding the side ends on both sides in the insertion direction of the biosensor 18 along the side surface 61 of the hole 60, the biosensor 18 cannot move in a direction other than the forward or reverse direction of the insertion direction. To the sensor connector 50.
[0037]
When such a sensor connector 50 presses the sliding member 56 from above, as shown in FIG. 11, the protrusion 68 is pressed by the sliding member 56 and the elastic plate 70 is elastically deformed. Slides downward with respect to the base 52, and the biosensor 18 is separated from the electrodes 72a and 72b. With the biosensor 18 separated from the electrodes 72a and 72b, the sliding member 56 is slid with respect to the base 52 in a direction opposite to the insertion direction of the biosensor 18 so as to be placed on the bottom surface 64 of the hole 60. The biosensor 18 is pushed out together with the sliding member 56. Therefore, the biosensor 18 can be easily detached from the sensor connector 50 by sliding the biosensor 18 in the direction opposite to the insertion direction while pressing the sliding member 56 from above.
[0038]
The sensor connector 50 includes a micro switch 74. When the biosensor 18 presses the elastic arm 76 fixed to the base 52, the button 78 of the micro switch 74 is pressed by the elastic arm 76, The switch 74 emits an ON signal, and is configured to detect that the biosensor 18 has been inserted into the sensor connection unit 58 in a measurable manner.
[0039]
Further, a sensor connector 80 as shown in FIG. 12 may be used. The sensor connector 80 includes an elastic arm 84 fixed to a base 82 so that a pushing means for pushing the biosensor 18 from the sensor connection portion 20 is provided. Even with such a sensor connector 80, the biosensor 18 can be pushed out without touching the biosensor 18 while the elastic arm 84 is engaged with the biosensor 18.
[0040]
Further, a sensor connector 90 as shown in FIG. 13 may be used. The sensor connector 90 has a base 14 having two projections 40 and a symmetrical shape. In addition, no particular connection detecting means is provided. Even with such a sensor connector 90, the biosensor 18 can be pushed out and discarded without touching the biosensor 18 itself with a finger.
[0041]
As described above, the embodiments of the present invention have been described with reference to the drawings. However, the sensor connector and the sample measuring device of the present invention are not limited to those shown in the drawings, and can be implemented in other modes.
[0042]
For example, the sensor connected to the sensor connector of the present invention is not limited to a biosensor, and may be another sensor. In addition, even if it is a biosensor, it is not limited to a biosensor that measures the blood glucose level in blood, and a sensor that detects other components in blood or a biosensor that detects a predetermined component in urine or sweat. It may be a sensor. Further, the shapes of the base and the pushing means are not limited to those described above, and may be any shape as long as the sensor can be pushed out by the pushing means.
[0043]
In addition, the technical scope of the present invention includes embodiments in which various improvements, corrections, and modifications are made based on the knowledge of those skilled in the art without departing from the gist of the invention. In addition, the invention may be embodied in a form in which one of the invention-specifying matters is replaced with another technique within a range in which the same operation or effect is generated.
[0044]
【The invention's effect】
According to the sensor connector of the present invention, the sensor can be pushed out of the sensor connector by the pushing means without touching the sensor connector, and the sensor can be separated from the sensor connector or the fixed state can be loosened. , The sensor can be removed or reattached. For this reason, the substance adhering to the sensor can be prevented from sticking to the hand, and the safety of the operation of removing or reattaching the sensor can be further improved. Further, when the sensor is separated from the sensor connection portion, the sensor can be separated and removed from the sensor connector without touching the sensor with a hand. Therefore, the sensor itself can be disposed of without touching it with a finger, and safe disposal of the sensor can be easily performed. Further, the safety of the disposal work can be further improved.
[0045]
Further, in the sensor connector of the present invention, according to the sensor connector of the present invention, wherein the sensor is a biosensor, such as removal of a biosensor for testing blood, urine, or the like that is at risk of infection. The effect of the sensor connector of the present invention is particularly remarkable because it is used for work.
[0046]
In addition, the sensor connection portion is configured to insert the sensor and connect to the electrode, and the pushing means is configured to include at least a sliding member that slides with respect to the base. The sensor connector according to the present invention is characterized in that the sensor slides in a direction opposite to the sensor insertion direction with respect to the sensor so that the sensor slides with respect to the sensor connection portion and the sensor is pushed out of the sensor connection portion. In this case, the sensor can be easily pushed out of the sensor connector by sliding the sliding member. For this reason, safe removal or reattachment of the sensor can be easily performed.
[0047]
Further, the sliding member has an engaging portion to be engaged with the sensor inserted into the sensor connection portion, and by sliding the sliding member with respect to the base while engaging the engaging portion with the sensor, According to the sensor connector of the present invention, in which the sensor is pushed out of the sensor connecting portion, the sensor can be pushed out of the sensor connector reliably by engaging the engaging portion of the sliding member with the sensor. For this reason, safe removal or reattachment of the sensor can be reliably performed.
[0048]
In addition, the sensor is pressed into the sensor connection portion and inserted so that the sensor cannot move in a direction other than the normal or reverse direction of the insertion direction, and the sliding member cannot move with respect to the base in a direction other than the normal or reverse direction of the insertion direction. According to the sensor connector of the present invention, the sliding member is fitted to the base so that the sliding member can be engaged with the sensor while securing the engagement state between the sliding member and the sensor. The sensor can be moved in parallel in the direction opposite to the insertion direction of the sensor, and the sensor can be pushed out of the sensor connector. For this reason, safe removal or reattachment of the sensor can be reliably performed. Further, as the sensor is pushed out from the sensor connector, the fixed state between the sensor and the sensor connector becomes loose, so that it is possible to prevent the sensor from suddenly jumping out when pushing out the sensor. Therefore, it is possible to prevent the liquid or the like to which the sensor has adhered from scattering to the surroundings, and it is possible to further improve the safety of the removal or replacement of the sensor.
[0049]
Further, according to the sensor connector of the present invention, wherein the protrusion is provided for sliding the slide member against the base while pressing the slide member with the finger, the finger is put on the protrusion of the slide member. This allows the sliding member to slide easily and reliably without the finger sliding on the sliding member. For this reason, the safety of the removal or replacement work of the sensor can be further improved.
[0050]
Further, according to the sensor connector of the present invention, which is provided with connection detecting means for detecting that the sensor is connected to the sensor connection portion, the sensor is connected to the sensor connection portion so that measurement by the sensor can be performed. After the worker recognizes this, the measurement work by the sensor can be performed. For this reason, there is no possibility that measurement data cannot be obtained despite performing the measurement operation, the measurement by the sensor can be reliably performed, and the accuracy and efficiency of the measurement operation can be improved.
[0051]
Further, since the sample measuring device of the present invention includes the sensor connector of the present invention having the pushing means, the safety of the work of removing or reattaching the sensor from the sensor connector can be further improved.
[Brief description of the drawings]
FIG. 1 is a diagram showing a sensor connector and a sample measuring device of the present invention, wherein FIG. 1 (a) is a plan view of the sensor connector and the sample measuring device, and FIG. 1 (b) is a view A of FIG. FIG. 4 is a sectional view taken along line A-A.
FIG. 2 is a front view of the sensor connector and the sample measurement device of FIG. 1;
FIG. 3 is a right side view of the sensor connector of FIG. 1;
FIG. 4 is a bottom view of the sensor connector of FIG. 1;
FIG. 5 is a rear view of the sensor connector of FIG. 1;
6A and 6B are diagrams showing a base of the sensor connector of FIG. 1, wherein FIG. 6A is a plan view and FIG. 6B is a rear view.
FIG. 7 is a sectional view taken along line AA of FIG. 6 (a).
FIG. 8 is a plan view showing a use state of the sensor connector of FIG. 1;
FIG. 9 is a front view showing another embodiment of the sensor connector of the present invention.
FIG. 10 is a plan view showing a use state of the sensor connector of FIG. 9;
FIG. 11 is a front view showing a use state of the sensor connector of FIG. 9;
FIGS. 12A and 12B are diagrams showing still another embodiment of the sensor connector of the present invention, wherein FIG. 12A is a plan view and FIG. 12B is a front view.
FIG. 13 is a bottom view showing still another embodiment of the sensor connector of the present invention.
FIG. 14 is a plan view showing a biosensor.
[Explanation of symbols]
10, 50, 80, 90: Sensor connector 12: Sample measuring device 14, 52: Base 16a, 16b: Electrode 18: Biosensor 20, 58: Sensor connector 22: Print board 24: Board connector 26: Groove 32: Sliding member (extrusion member)
33: engaging portion 34: convex portion

Claims (8)

A base, an electrode provided on the base, a sensor connector for connecting a predetermined sensor to the electrode, and a sensor connector including a board connector for connecting the electrode to a predetermined printed board;
A sensor connector, characterized in that said sensor is detachably connected to said electrode, and extruding means is provided for pushing said sensor out of said sensor connection in order to remove said sensor from said sensor connection. The sensor connector according to claim 1, wherein the sensor is a biosensor. The sensor connecting portion is configured to insert the sensor and connect to the electrode, and the pushing means is configured by a sliding member that slides on the base, and the sliding member is pressed by a finger. While the sensor is slid with respect to the base in a direction opposite to the insertion direction of the sensor, the sensor slides with respect to the sensor connection portion, and the sensor is pushed out of the sensor connection portion. The sensor connector according to claim 1 or 2, wherein The sliding member has an engaging portion that is engaged with a sensor inserted into the sensor connection portion, and slides the sliding member with respect to the base while engaging the engaging portion with the sensor. The sensor connector according to claim 3, wherein the sensor is pushed out from the sensor connection portion by causing the sensor to be pushed. The sensor is press-fitted and inserted into the sensor connection portion so as to be immovable in a direction other than the forward or reverse direction of the insertion direction, and the sliding member is other than the forward or reverse direction of the insertion direction with respect to the base. 5. The sensor connector according to claim 3, wherein the sliding member is fitted to the base so that the sensor cannot move. The sensor connector according to any one of claims 3 to 5, further comprising a protrusion for sliding the sliding member against the base while pressing the sliding member with a finger. A base, an electrode provided on the base, a sensor connector for connecting a predetermined sensor to the electrode, and a sensor connector including a board connector for connecting the electrode to a predetermined printed board;
A sensor connector comprising connection detection means for detecting connection of the sensor to the sensor connection portion. A sensor connector including a base, an electrode provided on the base, a sensor connection for connecting a predetermined sensor to the electrode, and a board connection for connecting the electrode to a predetermined printed board; and a sensor connector connected to the sensor connector. In a sample measurement device including a sensor and a printed board to which the sensor connector is connected,
A sample measuring apparatus, wherein the sensor is detachably connected to an electrode of the sensor connector, and extruding means for extruding the sensor from a sensor connection portion of the sensor connector is provided.

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