JP2018102337A - Use auxiliary device of puncturing device for blood sampling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a use auxiliary device capable of being easily used by attaching a puncturing device for blood sampling, the device that is small and is inconvenient for handling.SOLUTION: A tip side of a puncturing device 101 for blood sampling is fitted to a receiving hole 21 of a main body 2, a needle cap 109 is inserted into a slit 31a and rotated, and then a housing 103 is extracted. A pressing part 32 is pushed, and the needle cap 109 is pushed and discharged to a release hole 31b by an intervention plate 24d. A base end side of the puncturing device 101 extracting the needle cap 109 is fitted to a slide case 4, a blood sampling part such as finger-tips is pressed to the tip side and pushed along with the slide case 4, and then an operating piece 108 is pressed to the inside in the radial direction by an inner circumference of a receiving hole 22, and thereby a locking member 107 releases a lancet 104 and a puncture needle 105 projects from the housing 103 to be punctured in the blood sampling part.SELECTED DRAWING: Figure 7

Description

  The present invention relates to a use assisting device used to assist the operation of a puncture device for puncturing the skin and collecting a small amount of blood.

Conventionally, as disclosed in Patent Document 1, when a small amount of blood must be collected by itself for the purpose of, for example, a periodic check of blood sugar level by a diabetic patient, this can be performed safely and reliably. Puncture devices are used.
The blood sampling puncture device includes a substantially cylindrical housing having an opening at the distal end and a proximal end closed, a lancet having a puncture needle at the distal end and accommodated in the housing so as to protrude from the opening toward the distal end, Moves between a spring provided in the housing to urge the lancet in the protruding direction, and a first position where the lancet is locked in the housing against the biasing force of the spring and a second position where the lancet is released. A locking member that is freely provided in the housing, an operation piece that is provided so as to protrude to the outer peripheral side of the housing and is elastically pushed inward in the radial direction, and a base end side The tip of the puncture needle is releasably covered and the tip end protrudes from the opening and is locked in the housing at a locking position with a rotation angle around a predetermined axis with respect to the housing. There and a needle cap can be separated from the locking is released by the puncture needle.

JP 2014-68710 A

  Since the conventional blood collection puncture device is a small device, it may not be easy for the user to handle the fingertip such as removing the needle cap and then pressing the operation piece while pressing the blood collection unit. is there. Accordingly, an object of the present invention is to provide a use assisting device that can more easily perform blood collection using a blood collection puncture device.

  Hereinafter, the present invention will be described with reference to the accompanying drawings, but the present invention is not limited thereto.

  In order to solve the above problems, the auxiliary device 1 for blood collection puncture device 101 according to the present invention includes a substantially cylindrical main body 2, a cap gripping member 3 incorporated in the main body 2, and a slide case 4.

  The main body 2 has a first receiving hole 21 that opens to accept the distal end side of the housing 103 of the blood sampling puncture device 101 on one end side in the axial direction, and the proximal end side of the housing 103 on the other end side in the axial direction. Has a second receiving hole 22 that opens to the other end side.

  The cap gripping member 3 includes a gripping portion 31 that projects to the back of the first receiving hole 21 and a pressing portion 32 that protrudes toward the outer peripheral side of the main body 2, and the pressing portion 32 moves toward the outer peripheral side of the main body 2. Between the protruding first position and the second position pushed into the main body 2, the main body 2 is movable in the direction orthogonal to the axis, and is biased toward the first position and incorporated into the main body 2.

  The slide case 4 is movable in the axial direction of the receiving hole 22 between the first position on the opening side and the second position on the back side in the second receiving hole 22, and is urged toward the opening side. Has been incorporated. The slide case 4 includes a fitting portion 41 that allows the proximal end side of the blood sampling puncture device 101 to be removably fitted.

  The grip portion 31 of the cap gripping member 3 is a split along the moving direction that fits the tip end portion of the needle cap 109 of the blood sampling puncture device 101 fitted in the first receiving hole 21 so as not to be relatively rotatable around the axis. A groove 31a and a release hole 31b formed continuously at the proximal end of the split groove 31a on the pressing portion 32 side are provided. The release hole 31b has a larger diameter than the width of the split groove 31a.

  The main body 2 further includes an intervention plate portion 24d that is sandwiched between the distal ends of the split grooves 31a of the cap gripping member 3 so as to be relatively slidable.

  The cap gripping member 3 holds the tip of the needle cap 109 in the split groove 31a, and when the housing 103 of the blood puncture device 101 fitted in the first receiving hole 21 is rotated about the axis, the needle cap 109 is rotated relative to the housing 103 to the release position, and the released needle cap 109 is left in the split groove 31a. After the blood collection puncture device 101 is extracted from the first receiving hole 21, when the pressing portion 32 is pushed into the main body 2, the needle cap 109 left in the split groove 31a is moved to the release hole 31b by the intervention plate portion 24d. It is pushed out and can be discharged from the first receiving hole 21.

  The proximal end side of the housing 103 from which the needle cap 109 is removed is fitted to the fitting portion 41 of the slide case 4, and the distal end side is pressed against the blood collection portion of the human body. In this state, when the slide case 44 is pushed into the second position on the back side of the second receiving hole together with the blood sampling puncture device 101, the operation piece 108 of the blood sampling puncture device is moved by the inner periphery of the second receiving hole 22. Pushed inward in the radial direction, the locking member 107 releases the lancet 104 and allows the housing 103 to protrude from the tip opening 102.

  The blood collection puncture device use assisting apparatus 1 according to the present invention can be used with a simple operation by mounting the blood collection puncture device 101 which is small and inconvenient to handle, and thus there is an inconvenience in fine operation. Even a simple user can easily perform self blood collection.

It is a front view of the use assistance apparatus of the puncture apparatus for blood collection which concerns on this invention. It is a rear view of the use assistance apparatus of FIG. It is a top view of the use assistance apparatus of FIG. FIG. 2 is a bottom view of the auxiliary use device of FIG. 1. It is VV sectional drawing in FIG. It is VI-VI sectional drawing in FIG. FIG. 2 is a diagram illustrating a usage state of the use assisting device of FIG. 1, in which (A) is a partial longitudinal sectional view and (B) a transverse sectional view. The other use state of the use assistance apparatus of FIG. 1 is shown, (A) is a partial longitudinal cross-sectional view, (B) It is a cross-sectional view. 1 shows the usage state of the auxiliary use device in FIG. 1, and (A) and (B) show the progress of use in sequence. It is sectional drawing of the puncture apparatus for blood collection to which the use assistance apparatus of FIG. 1 is applied. It is a perspective view of the puncture apparatus for blood collection of FIG.

  First, an outline of a blood sampling puncture apparatus 101 to which the use assisting apparatus 1 of the present invention is applied will be described with reference to FIGS. A blood collection puncture device 101 is accommodated in a housing 103 having a substantially cylindrical housing 103 having an opening 102 at the distal end and a proximal end closed, and a puncture needle 105 at the distal end so as to protrude from the opening 102 to the distal end side. A lancet 104, a spring 106 provided in the housing 103 so as to bias the lancet 104 in the protruding direction, and a first position where the lancet 104 is locked in the housing 103 against the biasing force of the spring 106. The engaging member 107 is provided in the housing 103 so as to be movable between the second position to be unlocked, and is provided so as to protrude to the outer peripheral side of the housing 103 and is elastically pushed inward in the radial direction. The operation piece 108 for releasing the locking of the stop member 107 and the distal end portion of the puncture needle 105 are detachably covered on the proximal end side, and the distal end side is open 102 A needle cap that protrudes and is locked in the housing 103 at a locking position at a rotation angle around a predetermined axis with respect to the housing 103 and is unlocked at a release position at another rotation angle and can be separated from the puncture needle 105; 109.

  In order to use the blood sampling puncture device 101, first, the tip of the needle cap 109 is picked with a finger and rotated around the axis to the release position with respect to the housing 103. As a result, the engagement between the needle cap 109 and the housing 103 is released, and this is pulled out and removed from the needle 105. Next, when the opening 102 of the housing 103 is pressed against a blood collection part such as a fingertip and the operation piece 108 is pushed into the inside of the housing 103, the locking member 107 releases the lancet 104 and the tip of the puncture needle 105 is opened. It protrudes from 102 and stabs the blood collection part instantly.

  Next, an embodiment of the present invention will be described with reference to FIGS. The use assisting device 1 of the blood sampling puncture device 101 includes a substantially cylindrical main body 2, a cap gripping member 3 incorporated in the main body 2, and a slide case 4.

  The main body 2 has a first receiving hole 21 that opens to accept the distal end side of the blood sampling puncture device 101 on one end side in the axial direction, and can accept the proximal end side of the housing 103 on the other end side in the axial direction. Has a second receiving hole 22 which opens to the other end side.

  The first receiving hole 21 includes a large-diameter portion 21a on the opening side and a small-diameter portion 21b that extends concentrically via a step portion 21c. An orthogonal hole 24 for receiving the cap gripping member 3 is formed in the main body 2 so as to be orthogonal to the receiving hole 21 small diameter portion 21b.

  The receiving hole 22 includes a large-diameter portion 22a on the opening side and a small-diameter portion 22b that extends concentrically through a step portion 22c. The small diameter portion 22b is continuous with the small diameter portion 21b on the axis of the main body 2. The long hole 23 in the axial direction passes through the main body 2 so as to cross the intermediate portion of the large diameter portion 22a.

  The cap gripping member 3 includes a gripping portion 31 that protrudes to the small diameter portion 21 b at the back of the first receiving hole 21, and a pressing portion 32 having a prismatic cross section that protrudes toward the outer peripheral side of the main body 2. It is incorporated in the orthogonal hole 24 so as to be movable. The orthogonal hole 24 is continuous with a large-angle hole 24a that opens to one side of the main body 2 so as to fit the pressing part 32, and a step 24b, and is divided into two by an intervention plate 24d. And a flat rectangular hole portion 24c extending to the other side surface of the main body 2. The grip portion 31 is inserted through the flat rectangular hole portion 24c.

  The cap gripping member 3 has a main body between the first position (FIGS. 5, 6, and 7) where the pressing portion 31 protrudes toward the outer peripheral side of the main body 2 and the second position (FIG. 8) pressed into the main body 2. 2 is movable in the direction orthogonal to the axis line 2 and is biased by the spring 33 toward the first position protruding from the main body 2.

  The grip portion 31 includes a split groove 31a and a release hole 31b continuous to the proximal end on the pressing portion 32 side. The split groove 31a extends along the moving direction of the cap gripping member 3, and the intervention plate portion 24d intervenes therein. The release hole 31b has a larger diameter than the width of the split groove 31a. As shown in FIG. 7, the split groove 31a fits the tip end portion of the needle cap 109 of the blood sampling puncture device 101 fitted in the first receiving hole 21 so as not to rotate relative to the axis.

  The slide case 4 is incorporated in the second receiving hole 22, and has a first position on the opening side of the receiving hole 22 (FIG. 9A) and a second position on the back side (FIG. 9B). It is movable in the axial direction between them, and is biased toward the opening by a spring 44. The slide case 4 includes a bottomed cylindrical fitting portion 41 that allows the proximal end side of the blood sampling puncture device 1 to be removably fitted, and a small-diameter shaft portion 42 that extends from the bottom of the fitting portion 41. To do. The spring 44 is positioned between the bottom of the fitting portion 41 and the step portion 22 c and is fitted into the outer periphery of the shaft portion 42. Stopper pins 43 are fixed so as to penetrate the shaft portion 42 in the direction perpendicular to the axis, and both end portions thereof penetrate the long hole 23 of the main body. Therefore, the slide case 4 is movable between the first position (FIG. 9A) and the second position on the back side (FIG. 9B) within the range of the long hole 23.

  When the blood collection puncture device 101 is used using the use assistance device 1, the distal end side of the blood collection puncture device 101 is inserted into the first receiving hole 21 of the use assistance device 1 as shown in FIG. Then, the needle cap 109 is pushed into the split groove 31a of the holding member 3 so as to be fitted. Next, the housing 103 is rotated about the axis, the needle cap 109 is released from the housing 103, and when the housing 103 is pulled out from the receiving hole 21, as shown in FIG. It is left in 31a. Next, as shown in FIG. 8B, when the pressing portion 32 is pushed into the main body 2, the needle cap 109 left in the split groove 31a is pushed out to the release hole 31b by the intervention plate portion 24d, It is possible to discharge from one receiving hole 21. If the receiving hole 21 is directed downward, the needle cap 109 is discharged.

  Next, as shown in FIG. 9A, the proximal end side of the blood sampling puncture apparatus 101 from which the needle cap 109 has been removed is fitted into the fitting portion 41 of the slide case 4, and the fingertip or the like is placed on the distal end side of the housing 103. As shown in FIG. 9B, the housing 103 is pushed into the back side of the receiving hole 22 together with the slide case 4. At this time, the operation piece 108 of the blood sampling puncture device 101 is slidably contacted with the inner periphery of the receiving hole 22 and pushed inward in the radial direction, the locking member 107 releases the lancet 104, and the puncture needle 105 is removed from the housing 103. Protrudes and stabs blood collection part.

  The blood collection puncture device 101 is small and inconvenient to handle, but can be easily used if it is attached to the use assisting device 1 and operated. Even a handicapped user who has trouble with fine operation at the fingertip can easily perform self blood collection.

DESCRIPTION OF SYMBOLS 1 Use auxiliary | assistance apparatus 2 Main body 21 1st receiving hole 21a Large diameter part 21b Small diameter part 21c Step part 22 2nd receiving hole 22a Large diameter part 22b Small diameter part 22c Step part 23 Long hole 24 Orthogonal hole 24a Large angle hole part 24b Step Portion 24c flat square hole portion 24d intervention plate portion 3 cap gripping member 31 gripping portion 31a split groove 31b release hole 32 pressing portion 33 spring 4 slide case 41 fitting portion 42 shaft portion 43 stopper pin 44 spring 101 blood sampling puncture device 102 opening 103 Housing 104 Lancet 105 Puncture needle 106 Spring 107 Locking member 108 Operation piece 109 Needle cap

Claims (1)

A generally cylindrical housing having an opening at the distal end and a proximal end closed, a lancet having a puncture needle at the distal end and housed in the housing so as to protrude from the opening toward the distal end, and the lancet attached in the protruding direction A spring provided in the housing so as to be biased, and a first position where the lancet is locked in the housing against a biasing force of the spring and a second position where the lock is released are movable. A locking member provided in the housing, an operation piece provided so as to protrude toward the outer peripheral side of the housing and elastically pushed inward in the radial direction to release the locking of the locking member; The distal end portion of the puncture needle is detachably covered on the end side, the distal end side protrudes from the opening, and is locked in the housing at a locking position with a predetermined rotation angle around the axis. The use auxiliary equipment for blood collection puncture device and a separable needle cap the locking is released at the releasing position of the rotation angle from the puncture needle,
A first receiving hole that opens to accept the distal end side of the blood sampling puncture device is provided on one end side in the axial direction, and the proximal end side of the housing is received on the other end side in the axial direction to the other end side. A generally cylindrical body having a second receiving hole that opens;
A gripping portion that projects to the back of the first receiving hole, and a pressing portion that protrudes toward the outer peripheral side of the main body, and a first position where the pressing portion protrudes toward the outer peripheral side of the main body and the inner portion of the main body A cap gripping member that is movable in the direction orthogonal to the axis of the main body between the second position pushed into the main body and is biased toward the first position to be incorporated into the main body.
In the second receiving hole, it is movable in the axial direction of the receiving hole between a first position on the opening side and a second position on the back side, and is urged and incorporated into the opening side, and the blood collection A slide case having a fitting portion for fitting the base end side of the puncture device for removability,
The gripping part of the cap gripping member fits the tip of the cap of the blood sampling puncture device fitted in the first receiving hole so as to be relatively non-rotatable around the axis, and a dividing groove along the moving direction; A release hole formed continuously from the proximal end of the split groove on the pressing portion side and having a diameter larger than the width of the split groove;
The main body includes an intervention plate that is slidably sandwiched between distal ends of the split grooves of the cap gripping member,
The cap gripping member grips the needle cap when the tip of the needle cap is gripped by the split groove and the blood sampling puncture device fitted in the first receiving hole is rotated about its axis. After the blood puncture device is extracted from the first receiving hole by rotating the puncture device relative to the release position with respect to the housing of the puncture device and leaving the released needle cap in the split groove. When the needle cap is pushed into the main body, the needle cap left in the split groove is pushed out to the release hole by the intervention plate and can be discharged from the first receiving hole.
The slide case is used together with the blood collection puncture device in a state where the proximal end side of the blood collection puncture device from which the needle cap has been removed is fitted to the fitting portion and the distal end side is pressed against the blood collection portion of the human body. When pushed into the second position on the back side of the second receiving hole, the operation piece of the blood sampling puncture device is pushed inward in the radial direction by the inner periphery of the second receiving hole, and the locking member is A device for assisting use of a blood sampling puncture device, wherein the device is configured to release a lancet to allow protrusion from the housing.

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