JP3605197B2 - Body fluid sampling device and body fluid analyzer using the same - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a bodily fluid collecting device that can collect bodily fluids such as blood and intercellular exudate, and a bodily fluid analyzer that can analyze a target substance contained in the collected bodily fluid.
[0002]
[Prior art]
Conventionally, when measuring blood glucose level, etc., a fingertip is scratched using a puncture device (lancet), blood droplets are squeezed out therefrom, taken out of the packaging material, and attached to the electrode attached to the sensor. I was going by. However, when the puncture device and the sensor are separated as described above, many steps are required for performing a series of operations, and there is a problem of erroneous operation.
[0003]
Therefore, a medical system in which a puncture needle, a capillary tube, and a sensor are integrated (see Japanese Patent Application Laid-Open No. 61-286738), a blood collection device in which a puncture needle, a suction tool, and a blood reservoir are integrated (Japanese Patent Application Laid-Open No. 5-111476) JP-A-6-31980, JP-A-6-327655, and JP-A-7-51251) and a blood collection device in which a puncture needle, a suction device, a blood reservoir, and a sensor are integrated (Japanese Patent Application Laid-Open No. 5-95937 and JP-A-5-95938) have been proposed.
[0004]
However, the blood collection method in these instruments is based on a method in which blood is suctioned by reducing the pressure with a syringe or the like, and the pressure cannot be reduced unless the bottom surface of the cylinder is brought into close contact with the skin, and in particular, the diameter is less than φ1.0 mm. When such a cylinder is used, there is a drawback that the hole at the cut wound is closed due to close contact, and bleeding stops. In addition, there is a disadvantage that the entire structure including the cylinder is complicated.
[0005]
[Problems to be solved by the invention]
An object of the present invention is to provide a body fluid sampling device having a mechanism for collecting a body fluid by a simple method using suction, and a convenient body fluid analyzer including the body fluid sampling device and a display unit.
[0006]
[Means to solve the problem]
In view of the above problems, as a result of intensive studies, the present inventors have found that the use of a dropper-shaped container having a puncture needle and an electrode therein makes it possible to easily and quickly analyze a bodily fluid. completed.
[0007]
That is, the present invention includes at least a body fluid collection container that can be decompressed, a puncture member provided in the body fluid collection container and protruding from the body fluid collection container, and an electrode provided in the body fluid collection container. It is a bodily fluid sampling device characterized by being made.
Further, the present invention comprises at least the body fluid collection device according to any one of claims 1 to 8, a means for reducing the pressure of the body fluid collection container in the body fluid collection device, and a display unit for displaying an analysis result of the collected body fluid. A bodily fluid analyzer characterized by comprising:
[0008]
[Operation]
A bodily fluid collection container according to the present invention, comprising: a decompressible bodily fluid collection container; a puncture member provided in the bodily fluid collection container and protruding from the bodily fluid collection container; and an electrode provided in the bodily fluid collection container. According to the device, since the bodily fluid discharged by puncturing can be suctioned by depressurization of the container and brought into contact with the electrode, there is a problem that the pressure cannot be reduced unless the bottom surface of the cylinder is brought into close contact with the skin as in the related art. When a cylinder having a diameter of less than φ1.0 mm is used, the hole of the wound cut by the close contact is closed, and the bleeding stops, and the entire structure including the cylinder is complicated. Can be solved. Also, there is no need to provide any special means for bringing the body fluid into contact with the electrodes or the like, and a series of operation steps required for analysis can be reduced.
[0009]
In addition, if the body fluid sampling device of the present invention is made into a cartridge type, they can be integrally disposable, which is excellent in sanitary aspects such as prevention of bacterial infection.
According to the body fluid analyzer of the present invention comprising the above body fluid collection device, a means for depressurizing the container, and a display unit for displaying the analysis result of the collected body fluid, a general user does not require skill, and The body fluid can be collected quickly, and all detected substances can be analyzed with one touch.
[0010]
【Example】
Hereinafter, the present invention will be described in detail with reference to the drawings.
Here, the body fluid in the present invention refers to a liquid that can be discharged from a living body by puncturing, such as blood or intercellular exudate.
FIG. 1 shows a perspective view of a body fluid sampling device according to an example of the present invention. The body fluid collection device 1 includes a dropper-shaped body fluid collection container 2 having a bellows portion 22, a puncture needle 3 stored in the body fluid collection container 2, and an electrode unit similarly stored in the body fluid collection container 2. 4 and a lead wire 41 connected to the electrode portion 4. The rear end of the puncture needle 3 is fixed to the rear part 23 of the bodily fluid collection container 2 and extends toward the distal end of the dropper-shaped bodily fluid collection container 2. The tip 21 of the dropper-shaped bodily fluid collection container 2 has a hollow tubular shape, and the electrode portion 4 is fixed in the hollow tube. The rear end of the lead wire 41 connected to the electrode part 4 forms a contact point 42 at the rear part 23 of the bodily fluid collection container 2.
[0011]
FIG. 2 shows a state in which the body fluid collection container 2 in the body fluid collection device 1 is compressed. Since the dropper-shaped bodily fluid collection container 2 has the bellows portion 22, it is compressed in the longitudinal direction, so that the puncture needle 3 advances and protrudes from the distal end portion 21 of the container. At that time, the electrode part 4 keeps the state fixed to the tip part 21 of the container, while the lead wire 41 is loosened in the container. When the bodily fluid collection container 2 is expanded (FIG. 1) after being compressed (FIG. 2), the pressure of the container is reduced, and the puncture needle 3 retreats inside the container distal end portion 21 to return from the protruding state to the stored state.
[0012]
The bodily fluid collection container 2 may be formed of any material that can be expanded and contracted in the bellows portion 22. Generally, a polyolefin resin is preferable, and for example, it can be formed by singly or laminating polyethylene terephthalate, polyethylene, polypropylene, polyvinyl chloride, polycarbonate, nylon and the like. The production of the bodily fluid collection container 2 may be performed by a conventional method, for example, by a blow molding method.
[0013]
The size of the bodily fluid collection container 2 and the inner diameter of the distal end portion 21 may be any size and inner diameter as long as a desired amount of bodily fluid can be sucked by decompression during the compression and expansion of the container. The size of the bodily fluid collection container 2 is preferably about 0.01 ml to 50 ml in consideration of installation in a bodily fluid analyzer and the like, and the inner diameter of the distal end portion 21 is 1.0 mm to 5 mm. It is preferably about 0.0 mm.
[0014]
The puncture needle 3 is formed of a material harmless to the human body. As such a material, stainless steel (SUS) is preferable. The length of the puncture needle 3 varies depending on the size of the bodily fluid collection container 2, but is a length protruding from the container tip 21 by about 0.1 mm to 5.0 mm when the bodily fluid collection container 2 is compressed. Is preferred. In the present embodiment, the puncture needle 3 is stored in the bodily fluid collection container 2 at times other than when the container is compressed, so that it is possible to prevent injuries and the like due to erroneous operations during installation and disposal in the bodily fluid analyzer.
[0015]
The electrode section 4 is provided with a working electrode and a reference electrode (not shown). The control electrode is formed of a conductor, while the working electrode 41 functions as an enzyme electrode, and an enzyme ink is applied in addition to the conductor. Various types of enzyme inks can be selected according to the substance to be detected in the body fluid. For example, when measuring a blood glucose level, an ink composition containing glucose oxidase or the like can be used.
[0016]
The contact point 42 has a role of transmitting an electric signal of the substance to be detected flowing through the lead wire 41 to a sensor operation unit provided in the body fluid analyzer. In the present embodiment, the contact point 42 is provided at the rear part 23 of the bodily fluid collection container 2, but is not limited to this, and may be provided, for example, between the tip part 21 and the bellows part 22 of the container.
In order to collect body fluid using the main body fluid collection device 1, the body fluid collection container 2 is compressed so that the puncture needle 3 protrudes from the container tip 21 (FIG. 2), and the protruded puncture needle 3 punctures the skin. Then, at the same time as or immediately after the puncture, the body fluid collection container 2 is restored by its own restoring force, or extended by applying an external force (FIG. 1). At this time, the inside of the bodily fluid collection container 2 is decompressed, and the puncture needle 3 is stored in the bodily fluid collection container 2. The bodily fluid flows out of the skin damaged by the puncture, is sucked into the bodily fluid collection container 2 by decompression, and comes into contact with the electrode unit 4. The substance to be detected in the body fluid is converted into an electric signal, and sent to the sensor operation unit provided in the body fluid analyzer through the lead wire 41 and the contact 42.
[0017]
The bodily fluid sampling device 1 can be used in a bodily fluid analyzer by a cartridge type, that is, a replaceable fitting type. Thereby, disposable becomes possible, and bacterial infection and the like can be prevented. In addition, if this body fluid sampling device 1 is packaged, it will be more hygienic and safe.
Next, FIG. 3 shows a perspective view of a body fluid sampling device according to another example of the present invention. The body fluid collection device 1 'includes a collapsible dropper-shaped body fluid collection container 2', a puncture needle 3 'stored in the body fluid collection container 2', and an electrode similarly stored in the body fluid collection container 2 '. And a lead wire 41 'connected to the electrode portion 4'.
[0018]
The bodily fluid collection container 2 ′ includes a hollow tubular distal end portion 21 ′, an upper wall portion 24 and a lower wall portion 25 tapered toward the distal end portion 21 ′ and having a notch at the rear, and a distal end portion. The side walls 26, 26 'tapering toward 21', the cutouts of the upper wall 24 and the lower wall 25, and the rear ends of the side walls 26, 26 'are erected vertically. And a rear wall portion 27 having a vertical valley bent portion 28 formed in a central portion.
[0019]
The rear end of the puncture needle 3 'is fixed to the rear wall 27 of the bodily fluid collection container 2' near the center of the valley portion 28 and extends toward the distal end of the dropper-shaped bodily fluid collection container 2 '. are doing. An electrode portion 4 'is fixed in the distal end portion 21' of the body fluid collection container 2 'having a hollow tubular shape. The rear end of the lead wire 41 'connected to the electrode part 4' forms a contact point 42 'on the side wall part 24 of the body fluid collection container 2'.
[0020]
FIG. 4 shows a state in which the bodily fluid collection container 2 'in the bodily fluid collection device 1' is compressed. Since the dropper-shaped bodily fluid collection container 2 ′ has the valley fold 28, the body fluid collection container 2 ′ can be compressed by folding the valley fold 28 so that the side walls 24, 24 ′ are close to each other. At this time, the valley folded portion 28 approaches the distal end portion 21 ', and the puncture needle 3' advances and projects from the distal end portion 21 '. In addition, the electrode part 4 'remains fixed to the tip part 21' of the container, while the lead wire 41 'is loosened in the container. When the bodily fluid collection container 2 ′ is compressed (FIG. 4) and then restored (FIG. 3), the pressure of the container is reduced, and the puncture needle 3 ′ retreats inside the container tip 21 ′, returning from the protruding state to the stored state.
[0021]
The material and size of each member in the body fluid sampling device 1 ', and the method of using the body fluid sampling container 1' are the same as those of the body fluid sampling device 1 described above.
Having described the bodily fluid collecting device, a bodily fluid analyzer of the present invention using the bodily fluid collecting device will now be described.
FIG. 5 is a perspective view of a body fluid analyzer according to an example of the present invention using the body fluid sampling device 1 in FIG. The body fluid analyzer 5 has a cylindrical housing 6, and one end of the cylinder serves as a puncturing section 60. The housing 6 is provided with a display unit 61, and a puncture switch 62 protrudes from a hole formed in the body of the housing 6. Inside the housing 6, a body fluid collection device holder 7 and a holder driving unit 8 for driving the body fluid collection device holder 7 are installed, and the body fluid collection device 1 described above is held by the body fluid collection device holder 7.
[0022]
The bodily fluid sampling device 1 in the present embodiment is provided with a cylindrical skirt portion 11 so as to surround the distal end portion. The skirt portion 11 has a role of preventing body fluid from being scattered by puncturing, and may be formed integrally with the body fluid collection container of the body fluid collection device 1 or separately formed and attached to the body fluid collection container. Is also good.
FIGS. 6A and 6B are side views of the body fluid sampling device 1, the body fluid sampling device holder 7, the holder driving unit 8 and the puncture switch 62 in FIG. 5, wherein FIG. 6A shows a state where the body fluid sampling container is extended, and FIG. ) Indicates a state in which the bodily fluid collection container is compressed.
[0023]
The bodily fluid collection device holder 7 has a main body portion 71 having a semicircular skirt holding portion 70a formed at the upper front thereof, and a spring 78 is installed therein. The suction switch 4 is provided in front of the main body 71, and the head of the suction switch 4 projects from a hole formed at the tip of the main body 71. From the rear part of the main body 71, the leading end of a sliding member 72 formed with a plate-shaped rear end holding portion 70b and a semicircular bellows holding portion 70c is inserted. It is fixed to the spring 78. Further, a tip of a rod-shaped push-out member 73 is fixed to a rear portion of the main body 71, and a rear portion of the push-out member 73 is inserted into a holder driving unit 8 described later. The suction switch 74 is provided with a claw portion 74a, and a locking portion 72a capable of engaging with the claw portion 74a is provided on the sliding member 72.
[0024]
The holder driving unit 8 includes a housing member 81 that houses the pushing member 73 of the bodily fluid sampling device holder 7 and a spring 82 installed therein.
The puncture switch 62 is provided with a claw portion 62a, and a locking portion 73a capable of engaging with the claw portion 62a is provided on the pushing member 73.
The bodily fluid sampling device 1 includes a skirt portion 11 formed by a skirt holding portion 70a, a rear end formed by a rear end holding portion 70b, and a tail fold portion of the bellows portion 22 formed by a bellows holding portion 70c. Is held.
[0025]
When the puncture switch 62 is pressed in a state in which the claw portion 62a and the locking portion 73a are engaged (FIG. 6B), the claw portion 62a is disengaged from the locking portion 73a, and the pushing member 73 is stored by the action of the spring 82. It protrudes from 81 (FIG. 6A). Further, when the suction switch 74 is pressed in a state where the claw portion 74a and the locking portion 72a are engaged (FIG. 6B), the claw portion 74a is disengaged from the locking portion 72a, and the sliding member is operated by the action of the spring 78. 72 protrudes from the main body 71 (FIG. 6A). The rear portion of the bodily fluid collection container 2 held by the bellows holding portion 70c provided on the sliding member 72 is pulled rearward along with it, and the bodily fluid collection container 2 extends.
[0026]
An example of a method for measuring a substance to be detected in a body fluid using the body fluid analyzer 5 will be described. First, the body fluid sampling device 1 is mounted on the body fluid sampling device holder 7. Then, the sliding member 72 is inserted into the main body 71 so that the claw portion 74a of the suction switch 74 is engaged with the locking portion 72a of the sliding member 72. Thereby, the bodily fluid collection container 2 is compressed, and the puncture needle 3 protrudes from the distal end portion 21. Further, the pushing member 73 is inserted into the housing member 81 of the holder driving unit 8 such that the claw portion 62a of the puncture switch 62 and the locking portion 73a of the pushing member 73 engage. The order of inserting the sliding member 72 and inserting the pushing member 73 may be reversed.
[0027]
A desired part of the human body, for example, a fingertip is attached to the puncture unit 60 of the body fluid analyzer 5 and the puncture switch 62 is pressed. Then, the claw portion 62a is disengaged from the locking portion 73a, and the pushing member 73 protrudes from the storage member 81 by the action of the spring 82, and pushes out the bodily fluid sampling device 1 held by the bodily fluid sampling device holder 7. Accordingly, the puncture needle 3 protruding from the distal end portion 21 of the bodily fluid collection container 2 projects from the housing 6 and punctures the skin. At the same time, the tip of the suction switch 74 contacts the skin, and the suction switch 74 is pressed. When the suction switch 74 is pressed, the claw portion 74a is disengaged from the locking portion 72a, and the sliding member 72 projects from the main body 71 by the action of the spring 78. Accordingly, the bodily fluid collection container 2 extends, the puncture needle 3 is stored in the container, and the pressure of the container is reduced.
[0028]
Since the bodily fluid flows out of the skin by the puncture, the bodily fluid that has flowed out is sucked from the distal end portion 21 of the bodily fluid collection container 2 that is close to or in contact with the punctured portion. By the suction, the bodily fluid comes into contact with the electrode 4 installed in the distal end portion 21, and the substance to be detected in the bodily fluid is sent to the sensor operation unit as an electric signal, and the measured value is displayed on the display unit 61.
Next, a body fluid analyzer according to another example of the present invention using the body fluid sampling device 1 ′ in FIG. 3 will be described. FIG. 7 is a perspective view of the body fluid analyzer 5 '. The body fluid analyzer 5 'has a rectangular housing 6', and one end of the rectangular body serves as a puncturing section 60 '. The housing 6 'is provided with a display portion 61', and a puncture switch 62 'protrudes from a hole formed in the body of the housing 6'. Inside the housing 6, a body fluid collection device holder 7 'and a holder driving unit 8' for driving the body fluid collection device holder 7 'are installed, and the aforementioned body fluid collection device 1' is mounted on the body fluid collection device holder 7 '. Is held.
[0029]
FIG. 8 is a perspective view of the body fluid sampling device 1 ′, the body fluid sampling device holder 7 ′, the holder driving unit 8 ′, and the puncture switch 62 ′ in FIG. 7, and FIG. The body fluid sampling instrument holder 7 'has a plate-shaped main body 71', and holding members 70d and 70e are provided on the main body 71 'so as to be able to reciprocate. The distal end of a rod-shaped pushing member 73 'is fixed to the rear part of the main body 71'. The rear of the pushing member 73 'is inserted into a holder driving unit 8' described later.
[0030]
The puncture switch 62 'is provided with a claw portion 62'a, and a locking portion 73'a capable of engaging with the claw portion 62'a is provided on the pushing member 73'.
The holder driving section 8 'has a housing member 81' for housing the pushing member 73 'of the body fluid sampling instrument holder 7', and a spring 82 'installed therein.
FIG. 10 is an exploded perspective view of the main body 71 'and the holding members 70d and 70e in the body fluid sampling instrument holder 7'. A suction switch 74 'is provided in front of the main body 71'. The suction switch 74 'is provided with a claw portion 74'a, and a first rack 75 having a locking portion 75a capable of engaging with the claw portion 74'a is slidably provided. At one end of the first rack 75, a spring 78 that can press the first rack 75 is provided. A pinion 76 meshing with the first rack 75 is rotatably installed, and a second rack 77 meshing with the pinion 76 is slidable in parallel with the first rack 75. is set up. The upper lid 79 of the main body 71 'has long holes 79a and 79b, and the holding members 70d and 70e are fixed to the first rack 75 and the second rack 77 through the long holes 79a and 79b, respectively.
[0031]
The body fluid sampling device holder 7 'having the holding members 70d and 70e for holding the side wall portion of the body fluid collecting container 2', as shown in FIGS. 11 and 12, by narrowing or expanding the interval between the holding members 70d and 70e. The body fluid collection container 2 'can be compressed and restored. The sandwiching-expansion of the sandwiching members 70d and 70e is performed as follows.
That is, when the suction switch 74 ′ is pressed in a state where the claw portion 74 ′ a and the locking portion 75 a are engaged, the claw portion 74 ′ is disengaged from the locking portion 75 a, and the first rack 75 Slides, and the holding member 70d moves outward. Along with the sliding of the first rack 75, the pinion 76 is rotated, and the second rack 77 is slid in the direction opposite to the sliding direction of the first rack 75. As a result, the holding member 70e moves outward in the direction opposite to the moving direction of the holding member 70d, so that the space between the holding members 70d and 70e is expanded.
[0032]
When the puncture switch 62 'is pressed in a state where the claw 62'a and the locking portion 73'a are engaged, the claw 62'a is disengaged from the locking portion 73'a and is pushed out by the action of the spring 82'. The member 73 'projects from the storage member 81'.
An example of a method for measuring a substance to be detected in a body fluid using the body fluid analyzer 5 'will be described. First, the body fluid collection container 2 'is mounted between the holding members 70d and 70e of the body fluid collection device holder 7'. The body fluid collection container 2 ′ is compressed by narrowing the space between the holding members 70 d and 70 e so that the claw portion 74 ′ a of the suction switch 74 ′ engages with the locking portion 75 a of the first rack 75, and the puncture needle 3 'Protrude from the tip 21'. In addition, the pushing member 73 'is inserted into the housing member 81' of the holder driving unit 8 'so that the claw 62'a of the puncture switch 62' and the engaging portion 73'a of the pushing member 73 'are engaged. .
[0033]
A desired part of the human body, for example, a fingertip is attached to the puncture unit 60 'in the body fluid analyzer 5', and the puncture switch 62 'is pressed. Then, the claw portion 62'a is disengaged from the locking portion 73'a, and the pushing member 73 'protrudes from the storage member 81' by the action of the spring 82 ', and the bodily fluid sampling device 1' held by the bodily fluid sampling device holder 7 '. Extrude. Accordingly, the puncture needle 3 'protruding from the distal end 21' of the bodily fluid collection container 2 'protrudes from the housing 6' and punctures the skin. At the same time, the tip of the suction switch 74 'comes into contact with the skin, and the suction switch 74' is pressed. When the suction switch 74 'is pressed, the claw portion 74'a is disengaged from the locking portion 75a, the first rack 75 and the second rack 77 slide by the action of the spring 78, and the gap between the holding members 70d and 70e is established. spread. Then, the bodily fluid collection container 2 'is restored from its compressed state to its steady state shape by its own restoring force, and the puncture needle 3' is stored in the container, and the pressure in the container is reduced.
[0034]
Since the bodily fluid flows out of the skin by the puncture, the bodily fluid that has flowed out is sucked from the distal end 21 ′ of the bodily fluid collection container 2 ′ that is close to or in contact with the punctured portion. Due to the suction, the bodily fluid comes into contact with the electrode 4 ′ provided in the distal end portion 21 ′, and the substance to be detected in the bodily fluid is sent as an electric signal to the sensor operation unit, and the measured value is displayed on the display unit 61 ′. Is shown.
[0035]
According to such a body fluid analyzer of the present invention, a series of steps of puncturing, detection, and display of measured values can be continuously performed by a simple switch operation, and an inspection can be completed with one touch. In addition, since the present apparatus includes all of the body fluid sampling device, the decompression means, and the display unit, it can be used easily and quickly by ordinary users without requiring skill. Furthermore, the body fluid analyzer of the present invention can analyze not only the blood glucose level in blood but also various substances in body fluid by changing the type of the enzyme ink used.
[0036]
Although the present invention has been described in detail with reference to the drawings, the present invention is not limited thereto, and various modifications can be made without departing from the spirit of the present invention. For example, the body fluid collection device holder 7 'in the body fluid analyzer 5' may have any configuration as long as the body fluid collection container can be decompressed. One of the holding members 70d and 70e is movable and the other is fixed. Is also good.
[0037]
【The invention's effect】
ADVANTAGE OF THE INVENTION According to this invention, a bodily fluid can be extract | collected easily and the analysis of a bodily fluid can be performed simply and quickly.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of a body fluid sampling device of the present invention.
FIG. 2 is a perspective view showing a state where the body fluid sampling device in FIG. 1 is compressed.
FIG. 3 is a perspective view showing another example of the body fluid sampling device of the present invention.
FIG. 4 is a perspective view showing a state where the body fluid sampling device in FIG. 3 is compressed.
FIG. 5 is a perspective view showing an example of the body fluid analyzer of the present invention.
FIG. 6 is a side view showing a body fluid sampling device, a body fluid sampling device holder, a holder driving unit, and a puncture switch in the body fluid analyzer of the present invention. (A) shows a state where the body fluid collection container is extended, and (b) shows a state where the body fluid collection container is compressed.
FIG. 7 is a perspective view showing another example of the body fluid analyzer of the present invention.
FIG. 8 is a perspective view showing a body fluid sampling device, a body fluid sampling device holder, a holder driving unit, and a puncture switch in the body fluid analyzer of the present invention.
FIG. 9 is a side view showing a body fluid sampling device, a body fluid sampling device holder, a holder driving unit, and a puncture switch in the body fluid analyzer of the present invention.
FIG. 10 is an exploded perspective view showing a body portion and a holding member of a body fluid sampling device holder in the body fluid analyzer of the present invention.
FIG. 11 is a perspective view showing a state where the body fluid collection container is compressed by the body fluid collection device holder in the body fluid analyzer of the present invention.
FIG. 12 is a perspective view showing a state in which the body fluid collection container is restored in the body fluid analyzer of the present invention.
[Explanation of symbols]
1, 1 '... body fluid sampling device 2, 2' ... body fluid sampling container 21, 21 '... tip 22 ... bellows 23 ... rear 24 ... upper wall 25 ... lower wall 26, 26' ... side wall 27 ... rear Wall part 28 ... Valley fold part 3, 3 '... Puncture needle 4, 4' ... Electrode 41, 41 '... Lead wire 42, 42' ... Contact point 5, 5 '... Body fluid analyzer 6, 6' ... Housing 60, 60 Puncturing unit 61 Display units 62 and 62 'Puncturing switch 62a, 62'a, 74a, 74'a Claw unit 7, 7' Body fluid sampling device holder 70a Skirt holding unit 70b Rear end holding unit 70c ... bellows holding parts 70d, 70e ... holding members 71, 71 '... main body part 72 ... sliding members 72a, 73a, 75a ... locking parts 73, 73' ... pushing members 74, 74 '... suction switch 75 ... first Rack 76 Pinion 77 Second rack 78, 82, 82 'Spring 79 Top cover 79a , 79b ... long holes 8, 8 '... holder driving parts 81, 81' ... accommodation members

Claims (5)

A bodily fluid collection container, a bodily fluid collection device comprising at least a puncture member provided in the bodily fluid collection container ,
The bodily fluid collection container is in the shape of a dropper, the tip of which is a hollow tube, the electrode is fixed in the hollow tube ,
A bellows portion is formed in the body fluid collection container, and a rear end of the puncture member is fixed to a rear portion of the body fluid collection container ,
When the bellows portion is compressed, the puncture member advances in the hollow tube and projects from the bodily fluid collection container ,
The bodily fluid collection device is characterized in that, when the bellows portion is extended, the bodily fluid collection container is depressurized, and the puncture member is retracted in the hollow tube and stored in the bodily fluid collection container . A bodily fluid collection container, a bodily fluid collection device comprising at least a puncture member provided in the bodily fluid collection container ,
The bodily fluid collection container is in the shape of a dropper, the tip of which is a hollow tube, the electrode is fixed in the hollow tube ,
In the bodily fluid collection container, a valley fold is formed on a surface perpendicular to the puncture direction, and a rear end of the puncture member is fixed to the valley fold ,
When the valley fold is folded, the puncture member advances in the hollow tube and projects from the bodily fluid collection container ,
When the body fluid collection container is restored, the container is decompressed, and the puncture member is retracted in the hollow tube and stored in the body fluid collection container . 3. The body fluid sampling device according to claim 1, wherein the body fluid sampling device is of a cartridge type. At least, a body fluid collection device according to any one of claims 1 to 3, a device for decompressing a body fluid collection container in the body fluid collection device, and a display unit for displaying an analysis result of the collected body fluid. Body fluid analyzer. The body fluid analyzer according to claim 4 , wherein the means for reducing the pressure of the body fluid collection container is activated when the puncture member is punctured.

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