WO2002054953A1 - Dispositif de perforation, son procede de fabrication, mecanisme de pompe et dispositif d'aspiration - Google Patents
Dispositif de perforation, son procede de fabrication, mecanisme de pompe et dispositif d'aspiration Download PDFInfo
- Publication number
- WO2002054953A1 WO2002054953A1 PCT/JP2002/000165 JP0200165W WO02054953A1 WO 2002054953 A1 WO2002054953 A1 WO 2002054953A1 JP 0200165 W JP0200165 W JP 0200165W WO 02054953 A1 WO02054953 A1 WO 02054953A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- negative pressure
- housing
- movable
- puncture device
- moving
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/150022—Source of blood for capillary blood or interstitial fluid
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
- A61B5/1405—Devices for taking blood samples
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150061—Means for enhancing collection
- A61B5/150068—Means for enhancing collection by tissue compression, e.g. with specially designed surface of device contacting the skin area to be pierced
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150061—Means for enhancing collection
- A61B5/150099—Means for enhancing collection by negative pressure, other than vacuum extraction into a syringe by pulling on the piston rod or into pre-evacuated tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150412—Pointed piercing elements, e.g. needles, lancets for piercing the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
- A61B5/150503—Single-ended needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15103—Piercing procedure
- A61B5/15107—Piercing being assisted by a triggering mechanism
- A61B5/15113—Manually triggered, i.e. the triggering requires a deliberate action by the user such as pressing a drive button
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15101—Details
- A61B5/15115—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids
- A61B5/15117—Driving means for propelling the piercing element to pierce the skin, e.g. comprising mechanisms based on shape memory alloys, magnetism, solenoids, piezoelectric effect, biased elements, resilient elements, vacuum or compressed fluids comprising biased elements, resilient elements or a spring, e.g. a helical spring, leaf spring, or elastic strap
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/1519—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for propelling the piercing unit
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15186—Devices loaded with a single lancet, i.e. a single lancet with or without a casing is loaded into a reusable drive device and then discarded after use; drive devices reloadable for multiple use
- A61B5/15188—Constructional features of reusable driving devices
- A61B5/15192—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing
- A61B5/15194—Constructional features of reusable driving devices comprising driving means, e.g. a spring, for retracting the lancet unit into the driving device housing fully automatically retracted, i.e. the retraction does not require a deliberate action by the user, e.g. by terminating the contact with the patient's skin
Definitions
- the puncturing apparatus described in this publication has a structure in which a lancet holder 92 for holding a lancet L is provided in a substantially cylindrical housing 90 as shown in FIG. 31 of the present application.
- a cylindrical plunger 93 having a check valve 91 is fitted to one end of the housing 90.
- the lancet honoreda 92 is advanced toward the tip opening 90a of the housing 90 by the single-shot force of the spring 95.
- the forward movement of the lancet holder 92 causes the tip of the lancet L to penetrate the skin.
- the lancet holder 92 After the lancet holder 92 has moved forward, the lancet holder 92 is retracted by the resilience of the return panel 94. Further, the plunger 93 returns to the original position by the resilience of the spring 96. At this time, since the volume of the space portion 97 in the plunger 93 increases, a negative pressure is generated in the housing 90. Further, a negative pressure can be generated in the housing 90 by the operation of returning the members 98a and 98b to the original positions. Therefore, the tip of the housing 90 is still pressed against the skin. If the skin is kept applied, the negative pressure acts on the skin, and bleeding from the punctured portion of the lancet L is promoted. The check valve 91 is closed when the plunger 93 is retracted to effectively generate the above-mentioned negative pressure, and is opened when the plunger 93 is moved forward to smoothly move the plunger 93 forward. Play a role.
- the conventional puncture device has the following disadvantages. That is, there is an individual difference in the amount of bleeding from the portion where the lancet L is pierced, and even if the same person, the body has a portion that easily bleeds and a portion that does not easily bleed.
- the negative pressure generated in the housing 90 was always substantially constant. Therefore, conventionally, a sufficient amount of bleeding could not be obtained due to the negative pressure inside the housing 90, or conversely, the amount of bleeding increased unnecessarily.
- the puncture device is often used by sick or elderly people who have low physical strength, it is desirable that the puncture device be as easy to handle as possible. Disclosure of the invention
- a puncturing apparatus provided with a negative pressure generating mechanism is provided with a housing and a movable body provided to be movable relative to the housing, and for moving the cap f ⁇ forward.
- a moving mechanism for advancing the moving body, a hollow pressing section provided at the tip of the housing and for tracing a puncture inspection site, and applying a negative pressure to the inside of the pressing section.
- a puncture device provided with a negative pressure generating mechanism comprising: a pump mechanism portion capable of causing the pressure to be adjusted, wherein the pump mechanism portion is configured to be capable of adjusting the negative pressure.
- the pump mechanism comprises: a movable portion capable of reciprocating in a first direction and a second direction opposite to the first direction; and a pressure chamber whose volume force is reduced by the reciprocating movement of the movable portion. Have.
- the pressure chamber may be provided in communication with the inside of the pressing portion, and may be provided outside the housing or inside the housing.
- the pump mechanism stores the elastic force by moving the movable portion in the first direction, and opens the elastic force by moving the movable portion in the second direction.
- a resilient force generating unit configured to move the movable unit in the first direction to generate the negative pressure.
- the moving mechanism includes: a first engaging portion provided on the moving body; an elastic portion for moving the moving body for urging the moving body in a forward direction; (1) a second engaging portion that engages with the engaging portion and latches the moving body in the housing, and a puncturing operation provided so that at least a portion thereof is exposed to the outside of the housing; When the puncture operation member is operated, the puncture operation member acts on an engagement portion between the first engagement portion and the second engagement portion to release the latch state of the moving body. "Ru And a latch release action portion.
- the puncturing device of the present invention is configured such that when the puncturing operation member is further operated after the latching state of the moving body is released, the inside of the pressing portion communicates with the outside of the housing. Is done.
- the second engagement portion is, for example, fixed to the housing, and is a latch member that forms an accommodation space for accommodating the forward elastic portion and the backward elastic portion together with the movable body. It is provided in.
- the forward elastic portion and the backward elastic portion are fixed to the latch member, for example, in a state accommodated in the accommodation space.
- the moving body expands and contracts due to the forward and backward movement of the moving body.
- a puncturing apparatus provided with a negative pressure generating mechanism, wherein the pump mechanism section includes a movable section capable of reciprocating in a first direction and a second direction opposite thereto, and the movable section An elastic force generating section that moves the movable section in the second direction by releasing the elastic force by moving the section in the first direction; and an elastic force generating section that moves the movable section in the second direction by releasing the elastic force.
- the movable part is moved in the first direction.
- it is configured to generate the negative pressure Rukoto lancing device comprising a negative pressure generating function is ⁇ .
- a housing a movable body provided to be movable relative to the housing, and a movable body for advancing a force probe, and a movable body for advancing the movable body. It has a hollow pressure part, which is provided at the tip of the above-mentioned nosing, and which is punctured by a force puncture part, and a pressure chamber whose volume increases and decreases by reciprocating movement of the movable part. And a pump mechanism capable of applying a negative pressure to the inside of the pressing portion.
- a method for manufacturing a puncture device comprising: a pump mechanism configured to adjust the negative pressure.
- the maximum negative pressure to be generated in the pressing portion is such that an external force is applied to the movable portion, the volume of the pressure chamber in a state where the external force is applied to the movable portion, and an external force applied to the movable portion.
- a method for manufacturing a puncture device is characterized in that the puncture device is adjusted by selecting at least one of the maximum increasing volumes in the pressure chamber, which can be increased when the pressure is applied. Shared.
- a housing a moving body provided to be movable relative to the nosing, and a moving body for advancing a force tip, and a moving body for moving the moving body forward.
- a pressure chamber provided at the tip of the housing, and having a hollow pressing portion for forming a puncture fiber portion and a fiber, and a pressure chamber whose volume increases and decreases due to reciprocating movement of the movable portion.
- FIG. 3 is a # view showing a lancet holder and a latch engagement piece.
- FIG. 4A and FIG. 4B are cutaway views around the operation cap.
- FIG. 5 is a cross-sectional view for explaining a decompression operation in the puncture device shown in FIG.
- FIG. 6 is a cross-sectional view for explaining the ffi operation in the puncture device shown in FIG.
- FIG. 7 is a cross-sectional view for explaining a puncturing operation of the puncturing apparatus shown in FIG.
- FIG. 8 is a cross-sectional view for explaining a puncturing operation of the puncturing apparatus shown in FIG.
- FIG. 9 is a cross-sectional view for explaining a negative pressure releasing operation in the puncture device shown in FIG.
- FIGS. 10A and 10B are cross-sectional views of main parts for explaining the principle of pressure reduction in the comparative example.
- FIG. 15 is an overall # perspective view showing a puncture device according to a fifth embodiment of the present invention.
- FIG. 16 is a sectional view taken along the line XVI-XVI in FIG.
- FIGS. 20A and 20B are cross-sectional views for explaining the decompression operation in the puncture device shown in FIGS. 15 to 17.
- FIG. 20A and 20B are cross-sectional views for explaining the decompression operation in the puncture device shown in FIGS. 15 to 17.
- FIG. 29 is a cross-sectional view of a main part showing another application example of the present invention.
- the lancet 10 has, for example, a form in which a metal needle portion 10b protrudes from the front end surface of a synthetic resin book 0a.
- the housing 2 has first to third cylindrical portions 20A, 2OB, 20C, Inside the housing 2 is formed a space 21 for accommodating the lancet holder 1 and reciprocating the lancet holder 1.
- a space 21 for accommodating the lancet holder 1 and reciprocating the lancet holder 1.
- the distal end of second cylindrical portion 20B is pressed against skin S k which is the puncturing site.
- the second tubular portion 20B is sampled. Since there is a risk that the night may be inadvertently worn, the second tubular portion 2 is attached to and detached from the first tubular portion 2OA.
- the cap type can be replaced as needed.
- the first cylindrical portion 2OA can be formed by a single member, but can also be configured by combining a plurality of members.
- the return spring 34 is, for example, a compression coil spring.
- the return spring 34 is formed between the second support portion 21b protruding from the first cylindrical portion 2OA of the housing 2 and the flange portion 31a of the cylinder 31. It is interposed in between.
- the panel 34 compresses between the flange 31 a and the second support 21 b, and 3 1 and operation casing 4 It exerts a predetermined resilience to be raised.
- the latch member 13 forms an accommodation space 16 together with the lancet holder 1.
- koinole springs 17 a and 17 b are arranged in series.
- One end portion of each of these cone panes 17 a and 17 b is fixed to a fixing portion 18 provided on the latch member 13.
- the other ends of the coil panels 17a and 17b are free ends with respect to the latch member 13 but may interfere with the walls 19a and 19b of the lancet holder 1. .
- a coil spring 17a for applying a forward force to the lancet holder 1 and a coil spring 17b for applying a retreating force are arranged in series.
- a small size dangling around the mechanism can be achieved.
- the inner diameter of the panel can be made smaller than in a configuration in which the coil panel is arranged so as to cover the lancet holder, and there is no need to provide a space around the lancet holder for the coil panel.
- the volume around the puncture mechanism can be reduced, and the amount of gas to be discharged to the outside by the pump mechanism 3 can be reduced. Therefore, the pump mechanism 3 can be downsized without inconvenience, or a large negative pressure can be applied to the skin.
- the operation cap 5 is formed on the operation casing 4 so as to cover the third cylindrical portion 20C of the housing 2 and to be slidable with respect to the housing 2.
- This operation cap 5 is provided with a protrusion 51 and a protrusion 51 with respect to a fixed portion 50 for removing This holds the action portion 52.
- An O-ring 53 is arranged between the fixing portion 50 and the latch releasing action portion 52. Accordingly, the operation cap 5 moves relative to the housing 2 (the third cylindrical portion 20C) in the directions of the arrows Nl and N2 while securing the air inside the housing 2.
- a coil panel 54 is disposed inside the operation cap 5 so as to cover the third cylindrical portion 20C. The lower end of the coil spring 54 is locked to the stepped portion 20c of the third cylindrical portion 20C.
- the third tubular portion 20C is provided with a concave portion 55 for air circulation.
- the ⁇ ring 53 is located above the concave portion 55.
- the ring 53 is located at a position corresponding to the recess 55. Therefore, if the operation cap 5 is moved further downward (in the direction of the arrow N1) from the latch release, the external air flows into the housing 2 through the recess 55. Thus, the negative pressure in the housing 2 can be released.
- the operation cap 5 is pushed down in the direction of the arrow N1 to release the lancet holder 1 from the latched state.
- the lancet holder 1 is advanced using the resilience of the coil panel 17a, and the lancet 10 is peeled off.
- the spring force R of the spring 3 4 ′ is such that the force that lifts the plunger 3 2 ′ by overcoming the frictional resistance between the plunger 3 2 ′ and the cylinder 3 3 ′, and the pressure that is large A total force including a force for generating a negative pressure in the chamber 30 'is required.
- the force F required to push down the plunger 3 2 ′ is greater than the 5 th force R of the panel 3 4 ′.
- FIGS. 11A to 11C Each figure shows the dead volume of the pressure chamber 30 (the volume of the pressure chamber 30 in the natural state) V2 and the maximum achieved volume of the pressure chamber 30 minus the dead volume V2 (the volume of the pressure chamber 30). While increasing V3, the actual volume of housing 2 (volume of gas (however, includes the volume of flow passage 60 in Fig. 1 and through hole 32a of plunger 32) )) The results of a plurality of conditions in which V1 was changed are shown simultaneously. V 1 to V 3 were adjusted by making the pipe diameter the same and changing the height. Each embodiment:! V 1 to V 3 in Tables 1 to 3 are as shown in Tables 1 to 3 below. Table. Set volume
- Puncturing apparatus A2 has a different puncturing mechanism than puncturing apparatus A1 described above, as shown in FIG.
- This puncturing mechanism has a lancet holder 1A, an operation cap 5A, a spring 17a for advancing, and a bone 17b for retreating.
- lancet holder 1A has a plurality of latch claws 12A. These latch claws 12A are for engaging with step portions 14A provided in the housing 2A. The engagement of the latch claw 12 A with the step portion 14 A can be performed by pushing the lancet holder 1 A from the distal end side of the housing 2 A to the base end side.
- a puncturing apparatus A3 according to a third embodiment of the present invention will be described with reference to FIG.
- the same or similar members or elements as those of the above-described puncture devices A1 and A2 are denoted by the same reference numerals, and the duplicate description of those devices will be omitted. I do.
- the puncture device A3 has a configuration in which the pump mechanism 3A is arranged orthogonal to the moving direction N1 of the lancet 10 as shown in FIG. Accordingly, the operating casing 4A is moved from the first part 41 that houses the lancet holder 1A and the like to the second part 42 that houses the pump mechanism 3A. Protruding It is a form.
- the cylinder 3 1 A is 1 is fixed to the operation section 5 9.
- Procedure f ⁇ 3 ⁇ 4 5 9, on the other hand c protrudes from the second portion 4 2 which is formed in the opening 4 2 a for operations casing 4 A, the plunger 3 2 A, the second part of the operation casing 4 A 42 Fixedly attached to 2.
- the plunger 32A is connected to the housing 2A via a tube C.
- the inside of the pressure chamber 30 communicates with the inside of the housing 2A via the through hole of the plunger 32A and the inside of the tube C.
- the pump mechanism 3A by applying a force to the operation 9 in the direction of arrow N3, the cylinder 31A moves in the direction of arrow N3, and the volume of the pressure chamber 30 increases.
- the check valve 33B opens, and the air inside the housing 2A flows into the pressure chamber 30 via the tube C, and a negative pressure S is generated inside the housing 2A. At this time, the elasticity is stored in the panel 34. On the other hand, if the force acting in the direction of the arrow N3 is released, the cylinder 31A moves in the direction of the arrow N4 due to the resilience of the knurls 34. At this time, the check valve 33A is opened, and the air in the pressure chamber 30 is discharged through the air port 36, and the volume of the pressure chamber 30 is reduced.
- a puncturing apparatus A4 according to a fourth embodiment of the present invention will be described with reference to FIGS. 14A and 14B. In this figure, members or elements that are the same as or similar to those of the puncturing apparatuses A1 to A3 described above are denoted by the same reference numerals. Duplicate description will be omitted.
- the operation casing 4B is provided with two support portions 43A and 43B forces S.
- An operation lever 59A is rotatably supported by the support portion 43A.
- the support portion 43A is provided with a through hole 43a.
- the through hole 43a allows the cylinder 31B to move in the N1 and N2 directions, and the cylinder 31B. Is being guided.
- the upper part of the cylinder 31B is a locking part, and a spring 34 is interposed between the locking part and the support part 43 so as to cover the cylinder 31B. ing.
- a plunger 32B is fixed to the support part 43B.
- the upper portion of the cylinder 31B and the operation lever 59A are connected by a link member 59a.
- the pump mechanism 3 C includes a cylinder 31 C and a plunger 32 C that form the pressure chamber 30, and first and second check valves 33 A and 33 B.
- the operation casing 4C is reciprocally movable with respect to the housing 2C in the axial direction Nl, N2.
- the operation casing 4C can be returned to the original position by the elastic force of the panel 34.
- the cylinder 31C is fitted into the upper part (head) of the housing 2C so as to be able to reciprocate within a certain stroke.
- an operation cap 5C for pressing operation is mounted so as to protrude above the upper end of the outer cylinder 2, and when the operation cap 5C is pressed downward, the operation cap 5C is pressed.
- the cylinder 31C is also configured to descend.
- a panel 54C is provided below the cylinder 31C, and the cylinder 31C is configured to be able to return to its original position after being lowered by the elastic force of the coil spring 54C. .
- the first pusher 71 A can be lowered until the O-ring 76 has passed through the portion of the inner diameter D 2, but in such a state, The airtight state at the fitting portion between the first pressing body 71A and the sleeve 70 is eliminated.
- An auxiliary cap 78 surrounding the lancet 10 is attached to the tip of the lancet holder 1C.
- the tip surface 78a of the auxiliary cap 78 comes into contact with the skin, and only the portion of the lancet 10 projecting downward from the tip surface 78a penetrates the skin. It has become. Therefore, if the cap 178 can be freely moved in the axial direction of the lancet holder 1C so that the dimension S of the lancet 10 protruding from the tip of the auxiliary cap 78 can be increased or decreased, the The piercing depth of the lancet 10 can be freely changed. However, in the present invention, it is not essential to provide such means.
- the lancet holder 1C with the lancet 10 mounted thereon is set in a state where the lancet holder 1C is latched to the sleeve 70. .
- peel the tip of the housing 2C peel the tip of the housing 2C.
- the operating casing 4C is easy to grasp, and the operating casing 4C can be raised by the resilient force of the coil spring 34 after the operating casing sink '4C is pressed down. Operability is good.
- a pair of helical elongated holes 49 are formed on the outer peripheral surface of the distal end portion.
- Outer surface of the tip of the second cylindrical portion 20B of the housing 2C Is provided with projections 29 that fit into the respective elongated holes 49.
- the sleeve 20CB has a projection 29 that is long. According to such a configuration, it is configured to rotate in the direction of the arrow Nf by the action of contacting the edge of the hole 49.
- the sleeves 20CB that are in contact with the skin simultaneously rotate to massage the skin. Therefore, in addition to the negative pressure action generated in the housing 2C, this massage action also promotes bleeding and facilitates blood collection from a portion where bleeding is difficult.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Hematology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Pain & Pain Management (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002555693A JP4178201B2 (ja) | 2001-01-12 | 2002-01-11 | 穿刺装置 |
KR10-2003-7008935A KR20030081375A (ko) | 2001-01-12 | 2002-01-11 | 천자장치, 그 제조방법, 펌프기구 및 흡인장치 |
US10/466,146 US7131984B2 (en) | 2001-01-12 | 2002-01-11 | Lancing device, method of making lancing device, pump mechanism, and sucking device |
EP02729566A EP1356768A4 (en) | 2001-01-12 | 2002-01-11 | PERFORATION DEVICE, METHOD FOR MANUFACTURING THE SAME, PUMP MECHANISM, AND SUCTION DEVICE |
US11/523,160 US7758602B2 (en) | 2001-01-12 | 2006-09-19 | Lancing device, method of making lancing device, pump mechanism, and sucking device |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001004962 | 2001-01-12 | ||
JP2001-4962 | 2001-01-12 | ||
JP2001-225687 | 2001-07-26 | ||
JP2001225687 | 2001-07-26 | ||
JP2001356515 | 2001-11-21 | ||
JP2001-356515 | 2001-11-21 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10466146 A-371-Of-International | 2002-01-11 | ||
US11/523,160 Continuation US7758602B2 (en) | 2001-01-12 | 2006-09-19 | Lancing device, method of making lancing device, pump mechanism, and sucking device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002054953A1 true WO2002054953A1 (fr) | 2002-07-18 |
Family
ID=27345700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/000165 WO2002054953A1 (fr) | 2001-01-12 | 2002-01-11 | Dispositif de perforation, son procede de fabrication, mecanisme de pompe et dispositif d'aspiration |
Country Status (6)
Country | Link |
---|---|
US (2) | US7131984B2 (ja) |
EP (2) | EP1356768A4 (ja) |
JP (3) | JP4178201B2 (ja) |
KR (4) | KR20030081375A (ja) |
CN (3) | CN100374078C (ja) |
WO (1) | WO2002054953A1 (ja) |
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- 2002-01-11 CN CNB028036255A patent/CN100374078C/zh not_active Expired - Fee Related
- 2002-01-11 US US10/466,146 patent/US7131984B2/en not_active Expired - Fee Related
- 2002-01-11 EP EP02729566A patent/EP1356768A4/en not_active Withdrawn
- 2002-01-11 CN CN2008100034464A patent/CN101199422B/zh not_active Expired - Fee Related
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WO2004082478A1 (ja) * | 2003-03-17 | 2004-09-30 | Arkray Inc. | 穿刺装置 |
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JP2007125383A (ja) * | 2005-10-28 | 2007-05-24 | Lifescan Scotland Ltd | 内臓式穿刺装置を有する検体監視システム |
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Also Published As
Publication number | Publication date |
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KR20080003461A (ko) | 2008-01-07 |
JPWO2002054953A1 (ja) | 2004-05-13 |
JP2008183458A (ja) | 2008-08-14 |
US20070016239A1 (en) | 2007-01-18 |
JP2008183457A (ja) | 2008-08-14 |
CN101199422A (zh) | 2008-06-18 |
EP1356768A1 (en) | 2003-10-29 |
JP4178201B2 (ja) | 2008-11-12 |
KR100823884B1 (ko) | 2008-04-21 |
CN100374078C (zh) | 2008-03-12 |
US7758602B2 (en) | 2010-07-20 |
KR20070087083A (ko) | 2007-08-27 |
KR20030081375A (ko) | 2003-10-17 |
KR100788305B1 (ko) | 2007-12-27 |
CN101849829A (zh) | 2010-10-06 |
KR20060101792A (ko) | 2006-09-26 |
KR100852354B1 (ko) | 2008-08-14 |
US20040059366A1 (en) | 2004-03-25 |
JP4621871B2 (ja) | 2011-01-26 |
CN101199422B (zh) | 2010-12-01 |
US7131984B2 (en) | 2006-11-07 |
EP1356768A4 (en) | 2006-06-07 |
CN1531409A (zh) | 2004-09-22 |
EP2361556A2 (en) | 2011-08-31 |
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