Finger blood sampling device and puncture method

Abstract

To provide a finger blood sampling device and a puncture method that enable a puncture device to puncture any surface of a finger.SOLUTION: Provided is a finger blood sampling device 101 including a puncture mechanism that punctures a finger 10 with a needle. The finger blood sampling device 101 has a control mechanism 121 including a detection unit that detects a contour of the finger 10 and a detection unit that images a finger blood vessel image of a pad of the finger, and configured to determine a puncture position on the basis of the detected contour of the finger and the finger blood vessel image of the pad of the finger.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a finger blood sampling device and a puncturing method for sampling blood from a subject's finger. [Background technology]

[0002] In order to live a healthy life, it is important to undergo regular health checkups. One of the most common tests performed during health checkups is a blood test, in which blood is drawn from the subject and the components of the blood are analyzed to diagnose the condition of tissues and organs throughout the body. General blood tests are often performed at medical institutions, but they are also often performed at home as self-tests with limited measurement items, such as blood glucose levels.

[0003] Capillary blood sampling is a method of blood sampling that is often performed for self-tests such as blood glucose measurement. Capillary blood sampling is a method in which a special skin puncture device is pressed against the subject's finger to puncture the capillaries in the finger and collect the blood that flows out. Capillary blood sampling is a simpler method of blood sampling than venous blood sampling.

[0004] Patent Document 1 discloses a blood sampling device that automates blood sampling from a finger. This blood sampling device is characterized by having a cartridge that holds a puncture device, a blood collection tube, and a bandage, a drive mechanism for changing the position of the cartridge and pressing the puncture device, the container, and the bandage against the fingertip, a fixing mechanism for fixing a part of the fingertip, and a compression mechanism for compressing the base of the finger. After compressing the fingertip, the subject's fingertip is punctured with the puncture device, blood is collected from the puncture mark into a blood collection tube, and after releasing the pressure, the puncture mark is hemostasised with a bandage. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2022-109441 A Summary of the Invention [Problem to be solved by the invention]

[0006] One of the functions required for a blood sampling device is to puncture the finger at the optimal angle according to the location of the blood vessels and the contour of the finger surface. It is desirable for the puncture device to puncture the finger perpendicular to the contact surface. This is because the puncture device is designed to be subjected to force perpendicularly, and if force is applied in an unexpected direction, the blood sampling needle may not come out, and blood may not be able to be sampled. The blood sampling device described in Patent Document 1 is an invention of a finger blood sampling device equipped with a puncturing mechanism, which controls a puncturing device to puncture a finger. However, in this configuration, the puncturing device is only allowed to move in one direction, up and down, so it is difficult to puncture near the side of a finger where the contact surface between the puncturing device's movement direction and the puncturing position is not perpendicular.

[0007] Therefore, the present invention provides a finger blood sampling device and a lancing method that enable a lancing device to puncture any surface of a finger. [Means for solving the problem]

[0008] In order to solve the above problems, the finger blood sampling device of the present invention is a finger blood sampling device equipped with a puncturing mechanism that punctures a finger with a needle, and is characterized in that it has a detection unit that detects the contour of the finger and a detection unit that captures an image of the finger blood vessels on the pad of the finger, and has a control unit that determines the puncturing position based on the detected finger contour and the image of the finger blood vessels on the pad of the finger.

[0009] The puncturing method of the present invention is a puncturing method for a finger blood sampling device equipped with a puncturing mechanism that punctures a finger with a needle, and is characterized in that a control unit determines the puncturing position based on the finger contour detected by a detection unit that detects the finger contour and the finger vascular image on the pad of the finger detected by a detection unit that photographs the finger vascular image on the pad of the finger. Effect of the Invention

[0010] According to the present invention, it is possible to provide a finger blood sampling device and a lancing method that enable a lancing device to puncture any surface of a finger.

[0011] Problems, configurations and effects other than those described above will become apparent from the following description of the embodiments. [Brief description of the drawings]

[0012] [Figure 1] 1 is a configuration diagram of a finger blood sampling device according to a first embodiment of the present invention. [Diagram 2] 2A to 2C are diagrams illustrating the operation of the puncture device shown in FIG. [Figure 3A] FIG. 2 is a diagram showing the arrangement of a finger angiography camera and a fingertip photography camera shown in FIG. 1. [Figure 3B] 2 is an example of an image taken by the finger angiography camera and the fingertip photography camera shown in FIG. 1. [Figure 3C] FIG. 2 is a diagram showing images taken by the finger vascular camera and the fingertip photographing camera shown in FIG. 1, with the puncture position displayed on the image taken by the fingertip photographing camera. [Figure 4] 4 is a flowchart showing the operation of the finger blood sampling device according to the first embodiment of the present invention. [Figure 5A] FIG. 11 is a diagram showing an arrangement of fingers in a finger blood sampling device according to Example 2 of the present invention. [Figure 5B] FIG. 11 is a diagram showing finger rotation according to the puncturing position in a finger blood sampling device according to Example 2 of the present invention. [Figure 5C] 13 is a user interface (UI) of guidance in a finger blood sampling device according to Example 2 of the present invention. [Figure 6] 10 is a flowchart showing the operation of the finger blood sampling device according to Example 2 of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0013] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. EXAMPLES

[0014] Fig. 1 is a configuration diagram of a finger blood sampling device 101 according to a first embodiment of the present invention. As shown in Fig. 1, the finger blood sampling device 101 includes a turntable 102 for puncturing, sampling, and stopping bleeding, a finger blood vessel imaging camera 118 for imaging the blood vessels on the pad of the finger (also referred to as a detection unit for imaging the blood vessels on the pad of the finger), a fingertip imaging camera 120 for detecting the outline of the finger (also referred to as a detection unit for detecting the outline of the finger), and a control mechanism 121 (also referred to as a control unit) for controlling these.

[0015] The turntable 102 has a blood count blood count tube holder 109 for holding a blood count blood count tube 108, a biochemistry / immunology blood count tube holder 111 for holding a biochemistry / immunology blood count tube 110, a gauze holder 113 for holding a gauze 112, and a bandage holder 115 for holding a bandage 114. The turntable 102 has a blood count blood count tube holder holding hole (not shown), a biochemistry / immunology blood count tube holder holding hole (not shown), a gauze holder holding hole (not shown), and a bandage holder holding hole (not shown). Each holding hole is a through hole, but a portion of the blood count blood count tube holder 109, the biochemistry / immunology blood count tube holder 111, the gauze holder 113, and the bandage holder 115 is larger than each holding hole, so that the blood count blood count tube holder 109, the biochemistry / immunology blood count tube holder 111, the gauze holder 113, and the bandage holder 115 will not fall from each holding hole. The blood count blood collection tube holder 109, the biochemistry / immunology blood collection tube holder 111, the gauze holder 113, and the bandage holder 115 are operated to collect blood and stop bleeding by a turntable rotation direction drive mechanism 117 that rotates each holder to a specified position and a turntable vertical direction drive mechanism 116 that moves each holder up and down.

[0016] In addition to the above configuration, the turntable 102 includes a slide plate 104 on which the puncture device 103 is placed, a vertical puncture drive mechanism 105 for moving the puncture device 103 up and down, a puncture device holder 106 for holding the puncture device 103, and a rotational drive mechanism 107 for the puncture device holder for rotating the puncture device holder 106 according to the puncture position. The puncture device 103 is a one-time use skin puncture device consisting of a puncture needle and a holder containing the puncture needle. When the tip of the puncture device 103 is pressed against a finger, the puncture needle pops out for an instant and punctures the skin and capillaries of the finger. The puncture position on the finger contour is determined by a finger vascular imaging camera 118 that images the finger veins on the finger pad and a fingertip imaging camera 120 that detects the finger contour. In other words, the puncture position is determined based on the finger contour detected by the fingertip imaging camera 120 and the finger vascular image of the finger pad detected by the finger vascular imaging camera 118. Depending on the contact surface of the finger at the puncture position, puncture device holder 106 is rotated by puncture device holder rotation direction drive mechanism 107, and puncture device 103 is pushed up by puncture vertical direction drive mechanism 105, and puncture device 103 is pressed against the finger to puncture it.

[0017] The blood count blood collection tube 108 and the biochemistry / immunology blood collection tube 110 are containers for collecting blood. The opening of the blood collection tube is pressed against the puncture site of the finger 10 to collect blood that has bled from the puncture site. The blood count blood collection tube 108 is a blood collection tube with an anticoagulant applied to the inside, which has the effect of suppressing the blood clotting reaction after blood collection. The biochemistry / immunology blood collection tube 110 is a blood collection tube with a built-in separating agent, and by applying centrifugal force after blood collection, blood cells and serum can be separated from each other due to the difference in specific gravity. The gauze 112 is an absorbent cloth, which is pressed against the finger 10 to wipe off excess blood from the puncture site of the finger 10. The bandage 114 is an adhesive sheet with an absorbent pad in the center, which covers the puncture site of the finger 10. When setting it in the bandage holder 115, it is attached with the adhesive side facing up.

[0018] To prevent blood from adhering to turntable 102 during blood collection, a disposable protective sheet may be placed on turntable 102. The protective sheet has through holes at positions corresponding to the holding holes of turntable 102, and is made of an inexpensive, lightweight material such as paper, cloth, or resin film.

[0019] This embodiment is characterized by having a camera 118 for photographing finger blood vessels and a camera 120 for photographing fingertip blood vessels, and by having a vertical puncture drive mechanism 105 on the turntable 102 and a rotational drive mechanism 107 for the puncture device holder.

[0020] 2 is a diagram showing the operation of puncture device 103 shown in FIG. 1 , showing the operation of puncture device 103 puncturing blood vessel 20 near the side of finger 10 from which blood is to be collected. Puncture device 103 rotates by puncture device holder rotation direction drive mechanism 107, and puncture vertical direction drive mechanism 105 lifts slide plate 104 to puncture finger 10 to be punctured. The rotation angle of puncture device holder rotation direction drive mechanism 107, the movement amount of puncture vertical direction drive mechanism 105, and the rotation angle of turntable rotation direction drive mechanism 117 are calculated by control mechanism 121 from images captured by finger blood vessel imaging camera 118 and fingertip imaging camera 120.

[0021] 3A is a diagram showing the arrangement of finger vascular imaging camera 118 and fingertip imaging camera 120 relative to finger 10 to be punctured. To image the contour of finger 10, fingertip imaging camera 120 is positioned within ±60 degrees of the finger insertion angle η determined by the device shape, and finger vascular imaging camera 118 is positioned within ±60 degrees of angle η-90 degrees.

[0022] FIG. 3B is an example of an image captured by the finger blood vessel imaging camera 118 and the fingertip imaging camera 120, and FIG. 3C is a diagram showing the puncture position on the finger contour determined from the image of FIG. 3B. The finger blood vessel imaging camera 118, in which the finger blood vessel image acquiring light source 119 is disposed facing the finger 10, captures an image in which the blood vessels are dark lines by utilizing the near-infrared light absorption characteristics of hemoglobin in the finger blood vessels. The puncture position on the finger pad is determined from the image captured by the finger blood vessel imaging camera 118. The puncture position on the finger surface is calculated by the control mechanism 121 from the finger thickness and the puncture position on the finger pad, and the puncture position of the fingertip image captured by the fingertip imaging camera 120 is determined. In order to detect the position of the finger surface on the image near the puncture position of the fingertip image, edge detection is performed to obtain two finger surface positions near the puncture position. The rotation angle of the puncture device holder rotation direction drive mechanism 107 (FIG. 1) is obtained by calculating the tangent and normal from the coordinates of the two obtained positions and obtaining the angle θ. Here, the two finger surface positions are set on the contour of the finger 10 so as to sandwich the puncture position. The distance between the puncture device 103 and the finger 10 to be punctured can be measured from the fingertip image captured by the fingertip image capture camera 120 by measuring the distance between the puncture device 103 and the bottom end of the fingertip image captured by the fingertip image capture camera 120 in advance. From the measured distance and angle θ between the puncture device 103 and the finger 10 to be punctured, the control mechanism 121 (FIG. 1) can calculate the movement amount of the puncture vertical direction drive mechanism 105 (FIG. 1) and the rotation angle of the turntable rotation direction drive mechanism 117 (FIG. 1).

[0023] The fingertip photographing camera 120 can be substituted by placing a laser or an array radar under the finger 10 to be punctured and measuring the curved surface of the finger. For subjects who have had blood drawn once, by linking personal information with the shape of the finger, the angle can be determined without using the fingertip photographing camera 120, which leads to a reduction in blood drawing time. Also, the turntable 102 may be substituted by installing a horizontal direction drive mechanism for the puncture device or a robot arm.

[0024] After the puncture position is determined, if the finger 10 to be punctured is detected by the finger angiography camera 118 or the fingertip photography camera 120, the puncture position is automatically corrected by the control mechanism 121 and puncture is performed if the movement is small and correctable. If the finger 10 to be punctured moves significantly and the puncture position cannot be corrected, the control mechanism 121 can stop the operation of the finger blood sampling device 101, ensuring the safety of the subject. Furthermore, if the finger 10 to be punctured moves due to the influence of puncture and is detected by the finger angiography camera 118 or the fingertip photography camera 120, the control mechanism 121 corrects the rotation angle of the turntable rotation direction drive mechanism 117, so that the blood count blood collection tube 108, the biochemistry / immunology blood collection tube 110, the gauze 112, and the bandage 114 can properly collect blood and stop bleeding. Even if the finger vascular imaging camera 118 or the fingertip imaging camera 120 detects movement of the finger 10 to be punctured due to other factors, the series of blood sampling operations can be performed safely by correcting the rotation angle of the turntable rotation direction driving mechanism 117 using the control mechanism 121.

[0025] 4 is a flow chart showing the operation of finger blood sampling device 101 according to this embodiment. That is, it is a flow chart of the blood sampling process using finger blood sampling device 101. Blood sampling is started by the subject or the operator of finger blood sampling device 101. By providing a button on finger blood sampling device 101 and designing it so that the subject presses it, blood sampling becomes possible as soon as the subject's preparations are complete, which is safe.

[0026] As shown in FIG. 4, when blood collection is started in step S401, finger blood vessel imaging camera 118 captures an image that highlights the finger blood vessels of finger 10 to be punctured, and the puncture position on the pad of the finger is determined. In step S402, fingertip photographing camera 120 photographs the outline of the finger, and control mechanism 121 fits the puncture position determined in step S401 onto the outline of the finger. In step S403, two points on the finger contour near the puncture position are obtained from the image captured by fingertip photographing camera 120, and the tangent and normal at the puncture position are calculated. If the image has a large number of pixels and there are many contour points near the puncture position, a threshold may be determined and the tangent and normal for the contour points within the range may be obtained. In step S404, in order to determine the rotation angle of the puncture device holder rotation direction drive mechanism 107, the angle θ of the normal line found in step S403 is calculated.

[0027] In step S405, the distance between the bottom edge of the image captured by fingertip photographing camera 120 and puncture device 103 is measured in advance, and the distance between the puncture position and puncture device 103 is calculated from the distance between the puncture position of finger 10 photographed by fingertip photographing camera 120 and the bottom edge of the image. Furthermore, stable puncture is enabled by adding the travel distance required for puncture after puncture device 103 reaches the finger surface. In step S406, the rotation angle Φ of the turntable rotation direction driving mechanism 117 for moving the puncture device 103 horizontally is calculated from the height between the puncture position calculated in step S405 and the puncture device 103 and the angle θ determined in step S403, and the turntable 102 is rotated to the angle Φ by the control mechanism 121. In step S407, puncture device holder rotation direction drive mechanism 107 rotates puncture device holder 106 by angle θ determined in step S403. The contact surface of finger 10 at the puncture position and puncture device holder 106 become perpendicular. In step S408, vertical puncture drive mechanism 105 in puncture device holder 106 pushes slide plate 104 and puncture device 103 up the distance calculated in step S405. After puncture device 103 reaches the finger surface, it punctures finger 10. After puncture, vertical puncture drive mechanism 105 is returned to its initial value. In step S409, the turntable 102 is rotated, and the blood collection tube 108 for blood count, the biochemistry / immunology blood collection tube 110, the gauze 112, and the adhesive bandage 114 are pressed against the finger in that order by the turntable vertical drive mechanism 116, thereby collecting blood and stopping the bleeding.

[0028] As described above, according to this embodiment, it is possible to provide a finger blood sampling device and a lancing method that enable the lancing device to puncture any surface of a finger. Furthermore, when the movement of finger 10 to be punctured is detected, if the movement is small and can be corrected, the puncturing position is automatically corrected by control mechanism 121, and puncturing becomes possible. Note that if finger 10 to be punctured moves significantly and the puncturing position cannot be corrected, the operation of finger blood sampling device 101 can be stopped by control mechanism 121, making it possible to ensure the safety of the subject. EXAMPLES

[0029] Fig. 5A is a diagram showing the arrangement of fingers in the finger blood sampling device according to the present embodiment, Fig. 5B is a diagram showing the rotation of fingers according to the puncturing position in the finger blood sampling device according to the present embodiment, and Fig. 5C is a user interface (UI) of guidance in the finger blood sampling device according to the present embodiment. As shown in Figs. 5A and 5B, the finger 10 to be punctured is moved so as to be punctured perpendicularly to the contact surface of the puncturing position, and as shown in Fig. 5C, guidance is displayed on the display unit of the user interface (UI) to prompt the subject to rotate the finger 10, which is different from the first embodiment. The other configurations are the same as those in the first embodiment, and the same reference numerals are used to designate the same components as those in the first embodiment, and redundant explanations will be omitted below.

[0030] 5A and 5B are diagrams showing the operation of moving finger 10 to be punctured so as to puncture perpendicularly to the contact surface of the puncture position. The puncture position on the pad of the finger is determined using an image captured by finger blood vessel imaging camera 118, and the puncture position on the finger surface in the image captured by fingertip imaging camera 120 is determined by control mechanism 121.

[0031] As shown in Fig. 5C, guidance 501 is displayed on the display of the user interface (UI) and finger 10 is rotated so that the puncture position on the finger surface is at the center of finger placement section 122. Guidance 501 displays an image of finger 10 captured by fingertip photographing camera 120 and an image of the finger rotated at an angle calculated by control mechanism 121. The finger outline and puncture position are emphasized in both images, and the image of finger 10 captured by fingertip photographing camera 120 reflects the rotation of the finger every few tens of milliseconds, making the design visually easy for the subject to understand and less likely to cause positional deviation.

[0032] Finger 10 to be punctured is rotated by providing a finger rest rotation direction drive mechanism (not shown) on finger rest 122 (FIG. 1) and rotating finger rest 122 along guidance 501. Alternatively, the subject may be prompted to rotate his / her finger along guidance 501, and finger 10 may be fixed after rotation.

[0033] 6 is a flow chart of the blood collection process using finger blood collection device 101 according to this embodiment. Blood collection is started by the subject or the operator of finger blood collection device 101. By providing a button on finger blood collection device 101 and designing it so that the subject can press it, blood collection becomes possible as soon as the subject's preparations are complete, which is safe.

[0034] As shown in FIG. 6, in step S601, when blood collection is started, finger blood vessel imaging camera 118 captures an image that highlights the finger blood vessels of finger 10 to be punctured, and the puncture position on the pad of the finger is determined. In step S602, fingertip photographing camera 120 photographs the outline of the finger, and control mechanism 121 fits the puncture position determined in step S601 onto the outline of the finger. In step S603, the finger is rotated according to guidance 501 displayed on the user interface (UI) display. In step S604, turntable 102 is rotated by turntable rotation direction drive mechanism 117, which moves lancing device 103 horizontally, to an angle Φ of a fixed value directly below the puncture position. In step S605, finger 10 is punctured by puncturing vertical direction drive mechanism 105. After puncturing, puncturing vertical direction drive mechanism 105 is returned to the initial value. As with blood count blood collection tube 108, it is also possible to place puncturing device 103 and puncturing device holder 106 on turntable 102 and puncture finger 10 by turntable vertical direction drive mechanism 116. In step S606, the turntable 102 is rotated, and the blood collection tube 108 for blood count, the biochemistry / immunology blood collection tube 110, the gauze 112, and the bandage 114 are pressed against the finger in that order by the turntable vertical drive mechanism 116, thereby collecting blood and stopping the bleeding.

[0035] According to this embodiment, puncturing can be performed more easily than in the first embodiment.

[0036] The present invention is not limited to the above-mentioned embodiment, but includes various modified examples. For example, the above-mentioned embodiment has been described in detail to easily explain the present invention, and the present invention is not necessarily limited to those including all of the configurations described. In addition, it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment, and it is also possible to add the configuration of another embodiment to the configuration of one embodiment. [Explanation of symbols]

[0037] 10... finger, 20... blood vessel, 101... finger blood sampling device, 102... turntable, 103... puncture device, 104... slide plate, 105... vertical drive mechanism for puncture, 106... puncture device holder, 107... rotational drive mechanism for puncture device holder, 108... blood count blood collection tube, 109... blood count blood collection tube holder, 110... biochemistry / immunology blood collection tube, 111... biochemistry / immunology blood collection tube holder, 112... gauze, 113... gauze holder, 114... adhesive bandage, 115... adhesive bandage holder, 116... vertical drive mechanism for turntable, 117... rotational drive mechanism for turntable, 118... camera for finger angiography, 119... light source for acquiring finger vascular image, 120... camera for fingertip photography, 121... control mechanism, 122... finger rest, 501... guidance

Claims

1. A finger blood sampling device having a puncturing mechanism for puncturing a finger with a needle, The device includes a detection unit that detects the outline of a finger and a detection unit that captures an image of blood vessels on the pad of the finger, A finger blood sampling device comprising a control unit which determines a puncture position based on a detected finger outline and an image of the blood vessels on the pad of the finger.

2. The finger blood sampling device according to claim 1, the detection unit for detecting the contour of the finger is a fingertip photographing camera for photographing the contour of the finger, the detection unit for photographing a blood vessel image on the pad of a finger includes a finger blood vessel imaging camera for photographing a blood vessel image on the pad of a finger and a light source for acquiring a blood vessel image of a finger; A finger blood sampling device, characterized in that the control unit determines a puncture position on a contour of a finger.

3. The finger blood sampling device according to claim 2, The control unit determines a normal to the puncture position from a contour point of the finger near the puncture position, and determines a rotation angle of a lancing device holder.

4. The finger blood sampling device according to claim 3, The device further includes a vertical puncture drive mechanism for vertically moving the puncture device held by the puncture device holder, A finger blood sampling device characterized in that the control unit measures the distance between the puncture position and the puncture device from the image of the fingertip photographing camera, and determines the amount of movement of the vertical puncture drive mechanism and the rotation angle of the turntable rotational drive mechanism.

5. The finger blood sampling device according to claim 4, a puncture device for puncturing a target site of a living body; A blood collection tube for collecting blood flowing out from the puncture hole at the target site; Gauze in contact with the puncture wound; A bandage for sealing the puncture wound; A finger blood sampling device characterized by having a drive mechanism that changes the relative positions of the area to be punctured and the puncture device, the blood collection tube, the gauze, and the bandage in a horizontal plane, and changes the relative positions of the area to be punctured and the puncture device, the blood collection tube, the gauze, and the bandage in a vertical direction.

6. The finger blood sampling device according to claim 5, A finger blood sampling device characterized in that, when the finger vascular imaging camera or the fingertip imaging camera detects movement of the finger to be punctured, the control unit corrects the puncture position or stops the puncture.

7. The finger blood sampling device according to claim 5, A finger blood sampling device comprising: a finger rest; and a finger rest rotation direction drive mechanism that rotatably supports the finger rest.

8. The finger blood sampling device according to claim 7, A finger blood sampling device comprising a display unit that displays the puncture position by the puncture device and the puncture position on the contour of the finger using the fingertip photographing camera.

9. A puncturing method for a finger blood sampling device having a puncturing mechanism for puncturing a finger with a needle, comprising: A puncture method characterized in that a control unit determines a puncture position based on a finger outline detected by a detection unit that detects the finger outline and an image of the finger blood vessels on the pad of the finger detected by a detection unit that captures an image of the finger blood vessels on the pad of the finger.

10. The puncture method according to claim 9, The puncture method, wherein the control unit determines a normal to the puncture position from a contour point of the finger near the puncture position, and determines a rotation angle of a puncture device holder.

11. The puncture method according to claim 10, The control unit: A puncture method characterized by measuring the distance between the puncture position and the puncture device from an image from a camera for photographing the fingertip, and determining the amount of movement of a vertical puncture drive mechanism for moving the puncture device up and down, and the rotation angle of a turntable rotational drive mechanism.

12. The puncture method according to claim 11, The puncturing method, wherein the control unit corrects the puncturing position or stops puncturing when it detects movement of the finger to be punctured.

13. The puncture method according to claim 11, A puncture method characterized in that the puncture position by the puncture device and the puncture position on the finger contour are displayed on a display unit using the fingertip photographing camera.

Images