JP2008161393A - Stick for assisting walking and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a stick for assisting walking capable of supporting one's weight stably and allowing effective grip with strength and its manufacturing method. <P>SOLUTION: A grip part 11 of the stick 1 for assisting walking is provided with a swollen part R1 for stopping slip which is formed in front, a second finger grip part R2 formed in the middle, and a backward grip part R2 formed backward. The second finger grip part R2 is formed on an outer periphery for permitting a grip state that a palm side of the second finger is pressured and a tip part on the back side of the hand is pressured by a first finger. The swollen part R1 is formed swollen upward so that it becomes larger than the outer periphery of the second finger grip part R2. The backward grip part R3 is formed to continue from both sides of the second finger grip part R2, to be wide, and to be large enough to be able to be abutted at least to a carpus part of the palm. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a walking assistance cane for assisting walking by an elderly person with weak legs and a physically handicapped person who has a disorder in legs and legs while walking.

  2. Description of the Related Art Conventionally, walking sticks that assist with walking with one hand during walking are widely used. Such a walking aid cane has been improved in various ways in order to stably support the weight in accordance with the walking motion.

For example, in Patent Document 1, a wide surface is formed with a gently protruding curve so that the upper surface of the handle portion of the cane is widely contacted with the palm surface, and the gravity line is on the same line as the center line of the cane body. The point which was made is described. Patent Document 2 describes that the grip portion is configured to be rotatable in the front-rear direction within a predetermined angle range with respect to the main body portion.
Japanese Utility Model Publication No. 5-39538 Japanese Patent Laid-Open No. 10-179664

  13A and 13B are external views showing a state where the grip portion of a commercially available cane is gripped with one hand, FIG. 13A is a view seen from the front, FIG. 13B is a view seen from the outside, FIG. (C) is the figure seen from back, FIG. 14 is the figure seen from the inner side.

  A commercially available cane grip portion 100 as shown in the figure is formed in a rod shape slightly longer than the width of the palm, and the cross-sectional shape in a plane perpendicular to the axial direction is formed in an elliptical shape that is elongated vertically. Therefore, the cross-sectional area when the grip portion is viewed from above is formed long and narrow to support the load M applied from the radius B1 and the ulna B2 of the forearm, so that it becomes unstable when in use. That is, in order to support the load M, it is necessary to grip the palm part (the part indicated by Z10 in FIG. 15) of the palm corresponding to the lower ends of the radius B1 and the ulna B2 on the grip part 100. However, in the state where the palm part of the palm is placed, the hand part is easily shifted and falls, and it becomes very unstable and cannot support the weight sufficiently. Therefore, as shown in FIG. 13 (c), the palm part to which the load M is applied is shifted to the body side, and the middle part of the palm (the part indicated by Z11 in FIG. 15) is placed on the upper part of the grip part 100. However, this way of gripping cannot stably support weight.

  Further, since the attachment position of the cane body 101 fixed to the lower part of the grip 100 is shifted to the first finger (mother finger; F1 finger in FIG. 15) side, the second finger (indicator; F2 in FIG. 15). ) Can not grip the grip portion 100 and is placed along the cane body portion 101. In general, in order to grip a rod-shaped object effectively with a hand, as shown in FIG. 16A, the second finger F2 is bent along the surface of the object and the first finger F1 is pressed from the back. However, when a commercially available cane is used, it is difficult to grip such an effective grip, so that it cannot be gripped sufficiently.

  In addition, as shown in FIG. 16B, when an effective grip is performed, a force is mainly applied in a region Z12 indicated by diagonal lines to grip an object, and the shape of the object is changed to a region Z13 indicated by a dotted line. Works to respond. Therefore, the third finger (middle finger; F3 finger in FIG. 15), the fourth finger (ring finger; F4 finger in FIG. 15) and the fifth finger (small finger; F5 finger in FIG. 15) fingertips. A sufficient grip state can be obtained by pressing (Z12 portion) against the grip portion 100. However, in a commercially available cane, since the outer periphery of the grip portion is small, the third to fifth fingers are gripped. If the fingertips are bent, the finger ends will be left over, and the finger pad at the finger ends cannot be sufficiently pressed.

  As described above, an effective grip cannot be realized with a commercially available cane, and the attachment position of the cane body 101 is greatly shifted from the position where the load M is applied to the first finger side (see FIG. 13B). ) When trying to support the weight with the grip portion 100, the grip portion 100 is shaken in the palm of the hand and becomes very unstable, and eventually it becomes a state of walking with a cane.

  In Patent Documents 1 and 2, an attempt is made to support the weight by increasing the shape of the upper portion of the grip portion, but it is difficult to realize the effective grip as described above simply by increasing the shape.

  Therefore, an object of the present invention is to provide a walking assistance cane that can stably support a weight and can hold an effective grip with force, and a manufacturing method thereof.

  A method for producing a walking aid cane according to the present invention is a method for producing a walking aid cane comprising a cane body portion and a grip portion attached to an upper end portion of the cane body portion. It is defined by the first line based on the palm print of the bent part between the five finger phalanges and the metacarpal bone and the second line connecting the second finger side end of the palm finger phalanx to the arm trigeminal. The rear grip portion of the grip portion is curved upward corresponding to the palm region, and the distance between the first and second lines between the bent portions of the first and second fingers and the tip of the second finger A second finger gripping portion set on an outer periphery obtained by adding a length of a straight line extending from the first to the first line along the center of the second finger is continuously formed in front of the rear gripping portion, and the second finger A hill part formed on the outer circumference larger than the grip part and bulging upward is formed in front of the second finger grip part. The features. Further, the maximum thickness in the vertical direction is set in the rear gripping portion based on the average value of the distance from the palmar phalanx line of the third finger to the fifth finger to the first line. And Further, the upper end portion of the cane body portion is attached to the lower portion of the grip portion corresponding to the palm region surrounded by the bent portion of the first finger to the third finger.

  The walking aid cane according to the present invention is a walking aid cane provided with a cane body part and a grip part attached to an upper end part of the cane body part, and the grip part is a sliding formed forward. It has a bulge part for stopping, a second finger grip part formed in the middle, and a rear grip part formed at the rear, and the second finger grip part is formed in a constricted shape in plan view In the side view, the bulge portion bulges upward and is gently curved upward from the second finger gripping portion to the rear gripping portion, and the second finger gripping portion is Is formed on an outer periphery that allows a grip state in which the palm side is pressed against and the distal end of the palm is pressed by the first finger, so that the bulge portion is larger than the outer periphery of the second finger gripping portion. And the rear gripping portion is formed on the second finger grip. Characterized in that it is formed into a can abut size wider-formed at least palm carpal portion continuously from both sides of the parts. Further, the rear gripping portion includes a first line based on a palm pattern of a bent portion between the phalange of the second finger to the fifth finger and a metacarpal bone, and a second finger side end of the palmar phalanx skin line of the first finger. It is formed corresponding to the palm region defined by the second line connecting the part to the arm trident. Further, the second finger gripping portion is configured such that the distance between the first and second lines between the bent portions of the first and second fingers and the first finger along the center of the second finger from the tip of the second finger. It is formed in the outer periphery of the length which added the length of the straight line extended to a line. Further, the rear gripping portion is set to have a maximum vertical thickness based on an average value of the distance from the palmar phalanx to the first line of the third finger to the fifth finger. Features. Furthermore, the upper end portion of the cane body portion is attached to the lower portion of the grip portion so as to correspond to the palm region surrounded by the bent portion of the first finger to the third finger. Furthermore, an adjustment mechanism for adjusting the attachment position of the upper end portion of the cane body portion in the front-rear direction is provided. Furthermore, the lower end part of the said wand main-body part is provided with the stone thrust part so that rotation is possible, It is characterized by the above-mentioned.

  The present invention has the above-described configuration, whereby the first line based on the palm print of the bent portion between the phalange of the second finger to the fifth finger and the metacarpal bone and the palmar phalanx of the first finger Since the rear gripping portion of the grip portion is curved upward corresponding to the palm region defined by the second line connecting the second finger side end portion to the arm trident, from the ribs and ulna of the forearm portion The applied load can be stably supported by the rear gripping portion, and the bending operation of the first to fifth fingers can be performed smoothly.

  FIG. 1 is a schematic diagram showing the palm, and the first line L1 and the first finger F1 based on the palm prints C1 and C2 of the bent portion between the phalanges of the second finger F2 to the fifth finger F5 and the metacarpal bone. A palm region Z1 is demarcated by a second line L2 connecting the second finger side end portion P1 of the palmar phalanx C3 to the arm trident P2. The arm trident P2 is a point positioned as an intersection of the thumb ball skin line C4 and the wrist skin line. Since the load applied from the ribs and ulna of the forearm is applied to the fifth finger side region Z11 from the arm trident P2, if the rear grip portion of the grip portion is formed so that the region Z1 is placed, The weight can be stably supported by the grip portion. And since the 1st line L1 is along the bending part of the 2nd finger F2 to the 5th finger F5, the bending operation | movement of these fingers can be performed smoothly. The second line L2 connects the second finger side end portion P1 of the palmar phalanx skin line C3 of the first finger F1 to the arm trident P2, so that the metacarpal bone and the carpal of the first finger F1 Along the bending portion between the bone and the bone, the bending operation of the first finger F1 can be performed smoothly.

  As shown in FIG. 2, the load M applied to the region Z11 acts on the end of the palm side of the palm region Z1 corresponding to the rear gripping portion, so that the position of the supporting force S applied to the gripping portion is shifted from the applied position. The joint of the wrist acts in a dorsiflexed position, causing a tendon fixation effect (tenodesisaction), and a strong grip can be achieved even if the flexor for gripping the grip is not strongly contracted. can do. For this reason, the weight can be stably supported by the palm, and sufficient grip can be realized even for a person with weak grip.

  Further, the outer circumference obtained by adding the distance between the first and second lines between the bent portions of the first and second fingers and the length of a straight line extending from the tip of the second finger to the first line along the center of the second finger. When the second finger gripping part is gripped by the second finger, the palm side of the second finger is pressed against the back side of the hand when the second finger gripping part is gripped by the second finger. As shown in FIG. 16A, the first finger and the second finger realize a grip where force is easily applied. be able to.

  As shown in FIG. 1, the distance L3 between the first line L1 and the second line L2 between the bent portions of the first finger F1 and the second finger F2 and the center of the second finger F2 from the tip of the second finger F2. The second finger F2 is bent along the outer periphery of the second gripping portion by setting the length (L3 + L4) obtained by adding the length L4 of the straight line extending to the first line L1 as the outer periphery of the second finger gripping portion. Then, the tip of the second finger F2 is positioned in the vicinity of the second finger side end portion P1 of the first finger F1, and the first finger F1 can be held by pressing from the back of the tip portion of the second finger F2. It becomes possible. Therefore, the grip portion can be grasped firmly without shaking inside the palm, and the load M applied to the region Z11 can be supported in a stable state.

  In addition, by forming an uphill portion formed on the outer periphery larger than the second finger gripping portion and bulging upward, in front of the second finger gripping portion, the second finger gripping portion is constricted in a plan view. In addition to being formed, the hill portion bulges upward in a side view and is gently curved upward from the second finger gripping portion to the rear gripping portion. When a gripping part having such a shape is gripped and a walking motion is performed in a state where a load M is applied to the region Z11, a force that moves the gripping part forward and the entire palm toward the second finger gripping part acts. However, the first finger and the second finger in the state of grasping the second finger gripping part are not pressed against the hill portion and are not displaced, and the first finger and the second finger are firmly grasped. Therefore, the grip part does not shake inside the palm. Therefore, a stable walking motion can be performed using a cane.

  In addition, by setting the maximum vertical thickness of the rear gripping part based on the average value of the distance from the palmar phalanx to the first line of the third finger to the fifth finger, The fifth finger can be bent and the tip of the finger pad can be brought into pressure contact with the lower surface of the rear gripping portion, and as shown in FIG. 16 (a), the rear gripping portion is firmly held by these fingers. It becomes possible. Therefore, all the fingers from the first finger to the fifth finger are in a sufficient gripping state in the second finger gripping portion and the rear gripping portion, and the entire palm can be grasped firmly without shaking the gripping portion.

  As shown in FIG. 1, the average value of the lengths L5 to L7 between the palmar phalanxes C5 to C7 and the first line L1 of the third finger F3 to the fifth finger F5 ((L5 + L6 + L7) / 3 ) And the thickness in the vertical direction of the rear gripping part is set based on the average value, and when the third to fifth fingers are bent along the outer periphery of the rear gripping part, the tip of each finger The finger pad portion is arranged on the lower surface of the rear gripping portion, and a firm grasping state by these fingers can be realized.

  Further, by attaching the upper end portion of the cane body portion to the lower portion of the grip portion corresponding to the palm region surrounded by the bent portion of the first finger to the third finger, the fulcrum with respect to the grip portion of the cane body portion is difficult to shift. As shown in FIG. 1, the palm region Z12 surrounded by the bent portions of the first finger F1 to the third finger F3 is, as described above, a portion corresponding to the shape surrounded by the portion where the force acts (FIG. 16). (Refer to (b)), the variation of the palm is less in the region Z12 than the region where the force is applied, and therefore the fulcrum of the positioned cane body is less likely to shift. In addition, in the state where the grip portion is gripped, the position of the region Z12 substantially coincides with the end position of the rib of the forearm portion when viewed from the side, and the cane body portion is arranged on the extension of the rib. Therefore, the muscles on both sides of the arm part work in a well-balanced manner during the walking motion, and a stable walking motion can be performed without imposing a burden on only some of the muscles.

  Further, by providing an adjustment mechanism that adjusts the attachment position of the upper end portion of the cane body portion in the front-rear direction, the upper end portion of the cane body portion can be positioned at an optimum position according to the shape of each person's palm. Moreover, even if the cane main body portion is inclined with respect to the ground during walking motion, the lower end portion of the cane main body portion is pivoted at the lower end portion of the cane body portion so that the lower end portion of the stone thrust portion does not deviate from the ground. Thus, it is possible to make a stable walking motion.

  Hereinafter, embodiments according to the present invention will be described in detail. The embodiments described below are preferable specific examples for carrying out the present invention, and thus various technical limitations are made. However, the present invention is particularly limited in the following description. Unless otherwise specified, the present invention is not limited to these forms.

  FIG. 3 is an overall side view of the embodiment according to the present invention. The walking aid cane 1 includes a rod-like cane body portion 10, a grip portion 11 attached to the upper end portion of the cane body portion 10, and a stone thrust portion 12 attached to the lower end portion of the cane body portion 10. In FIG. 3, when walking with the cane 1, the front is the left direction in the drawing, and the rear is the right direction in the drawing.

  The cane body portion 10 is formed into a columnar or cylindrical elongated rod shape using a high-strength and lightweight material such as a resin material, a metal material, or a composite material.

  4 is a plan view of the grip 11 (FIG. 4A), a side view (FIG. 4B), an AA sectional view (FIG. 4C), and a BB sectional view (FIG. d)) and CC sectional drawing (FIG.4 (e)).

  The grip portion 11 includes a hill portion R1, a second finger gripping portion R2, and a rear gripping portion R3 from the front, and as shown in FIG. 4A, the second finger gripping portion R2 is constricted in a plan view. It is formed in the shape of. Also, as shown in FIG. 4B, the ridge part R1 is formed so as to bulge upward in a substantially spherical shape when viewed from the side, and the rear gripping part R3 extends from the second finger gripping part R2. It is continuously and gently curved upward.

  The shapes of the second finger gripping portion R2 and the rear gripping portion R3 are preferably set based on the dimensions of each person as will be described later because there are individual differences in the palm shape. For example, as a standard, the thickness of the rear gripping portion R3 is set to be 15 to 30 mm higher than the thickness of the second finger gripping portion, and the maximum width of the rear gripping portion R3 is set to the second finger gripping portion R2 for the planar width. It is good to set 70 to 90% wider than the plane width. Further, the bulging portion R1 is preferably formed in a spherical shape having a diameter of 40 to 60 mm, and its upper end is set to be 15 to 30 mm higher than the upper end of the second finger gripping portion R2.

  As shown in FIG. 4C, the second finger gripping portion R2 has a substantially circular cross-sectional shape and is formed in a substantially cylindrical shape in the front-rear direction. The length of the outer periphery of the second finger gripping portion R2 is set to the length (L3 + L4) shown in FIG. Note that the length of the outer circumference may be appropriately adjusted according to the shape of each person's hand (such as flesh) based on (L3 + L4).

  The swollen hill portion R1 is formed in a substantially spherical shape larger than the outer periphery of the second finger gripping portion R2, and the size may be set based on a circle Q1 shown in FIG. The circle Q1 is in contact with the line L3, the center thereof is set at an equal distance from the lines L1 and L2, and the diameter is set so long that the circumference protrudes from the lines L1 and L2. The protruding length may be adjusted as appropriate based on the size of each person's hand.

  The rear gripping portion R3 is continuously formed so as to spread from the both sides of the second finger gripping portion R2 to the left and right, and is continuously formed so as to be gently inclined upward. And in the rear part, as shown in FIG.4 (d), it is formed in the substantially constant thickness by the horizontally long elliptical cross-sectional shape. What is necessary is just to set the planar width of back grip part R3 based on the space | interval between the 1st line L1 and the 2nd line L2 which are shown in FIG. Further, the rear portion is formed in an arc shape in plan view, and may be set based on a circle Q2 shown in FIG. The circle Q2 is set so as to be in contact with the lines L1 and L2 and the side edge of the palm in FIG. Moreover, what is necessary is just to set the thickness of a rear part based on the average value of the length of the lines L5 to L7 shown in FIG. Lines L5 to L7 are set as perpendicular lines extending from the center of palm finger dermis lines C5 to C7 of the third finger F3 to the fifth finger F5 to the first line L1. In addition, what is necessary is just to adjust suitably the thickness of a rear part based on the magnitude | size of each person's hand on the basis of the average value of the length of line L5 to L7.

  FIG. 5 is a front view (FIG. 5 (a)), a front view (FIG. 5 (b)), and a rear view (FIG. 5 (c)) regarding the state where the grip portion 11 is gripped. 6 is a view seen from the inside. In the second finger gripping portion R2, the second finger F2 bends along the outer periphery thereof, the palm side is pressed against the tip portion, and is gripped by the first finger F1 from the back of the tip portion of the second finger F2. It has been. Therefore, as shown in FIG. 16 (a), it can be gripped with force applied.

  In the rear gripping portion R3, the rear portion is formed wide, and the region Z11 shown in FIG. 1 is placed on the upper surface thereof, and the load M applied via the ribs of the forearm portion is stably supported. The Further, since the load M applied to the region Z11 acts on the side end portion of the rear gripping portion R3, it acts on a position shifted from the position where the supporting force applied to the gripping portion is applied, and the wrist joint is dorsiflexed. And tendon fixation effect. Therefore, a strong grip can be realized even if the flexor for gripping the grip portion is not strongly contracted. Further, as described above, since the rear portion is formed to have a predetermined thickness based on the average value of the lengths of the lines L5 to L7, the third finger F3 to the fifth finger F5 are moved to the rear gripping portion R3. When bent along the outer peripheral surface and gripped, the finger pad at the tip of each finger can be gripped firmly in a state of being pressed against the lower surface of the rear gripping portion R3.

  As described above, since all the fingers from the second finger F2 to the fifth finger F5 can be firmly gripped, the grip portion 11 is gripped in a stable state without shaking inside the palm. In addition, when a load is applied from the forearm, the wrist and arm joints are fixed by the tendon fixation effect so that the hand and arm can be united to stably support the weight. Become.

  In addition, when the walking motion is performed, there is a case where the gripping portion 11 is tilted forward and the force of moving the entire palm toward the second finger gripping portion R2 is applied, but the state where the second finger gripping portion R2 is gripped. The first finger F1 and the second finger F2 are not pressed against the ridge part R1, and the first finger F1 and the second finger F2 are firmly gripped. Do not shake in the direction. Therefore, a stable walking motion can be performed using a cane.

  The upper end of the cane body 10 is attached to the second finger gripping portion R2 side on the lower surface of the rear gripping portion R3. The attachment position may be set to a position corresponding to the region Z12 shown in FIG. As described above, the region Z12 is a portion (see FIG. 16B) corresponding to the shape surrounded by the portion where the force acts, and therefore, the palm of the region Z12 varies more than the portion where the force acts. Therefore, the fulcrum of the positioned cane body is less likely to be displaced.

  Further, in a state where the grip portion is gripped, the position of the region Z12 substantially coincides with the end position of the rib of the forearm portion when viewed from the side, and the cane body portion is disposed on the extension of the rib. As a result, the muscles on both sides of the arm portion work in a well-balanced manner during the walking motion, and a stable walking motion can be performed without burdening only some of the muscles. If the cane body is attached to a position that is offset from the ribs, the muscles on the side of the cane body of the arm part will always be strained during walking movement, and walking fatigue will occur quickly, but the front will move according to the walking movement. Since the muscles on the side and the rear side work in a balanced manner, a load is not always applied to some muscles, and fatigue is less likely to occur.

  The upper end of the cane body portion 10 may be fixed and attached to the lower surface of the grip portion 11, but may be attached so as to be slidable in the front-rear direction. For example, as shown in the cross-sectional view in the front-rear direction in FIG. 7A and the cross-sectional view in the left-right direction in FIG. The locking grooves 11b are formed wide on both sides. Further, as shown in FIGS. 7C and 7D, a protrusion 10a is projected from the upper end of the cane body 10, and a locking part 10b protruding from both sides is formed on the upper part of the protrusion 10a. . Then, as shown in FIG. 8A, the protrusion 10 a is inserted into the linear groove 11 a so that the cane body 10 is aligned with the linear groove 11 a of the grip portion 11 of the cane body 10. After insertion, the cane body 10 is slid along the linear groove 11a to adjust the position, and as shown in FIG. 8B, the cane body 10 is rotated so that the locking part 10b is moved into the locking groove 11b. Fit and fix.

  As shown in the skeleton diagram of FIG. 9, the length of the cane body portion 10 is such that the trochanter point BP1 located at the upper end of the femur and the pedicle tip located at the lower end of the ulna in the forearm in the upright position. What is necessary is just to set based on the height from the ground of the point BP2. Specifically, by setting the average value of each height to the palm height at the grip, the lower end of the ulna that newly supports the height of the upper end position of the femur that the user originally supported with the cane The correction is made based on the height of the position, and the cane can be used with a natural motion substantially similar to a normal walking motion.

  FIG. 10 is an exploded perspective view of the stone thrusting portion 12. The stone thrusting portion 12 includes a rotation connecting member 12a and a rubber cushioning member 12b. The rotation connecting member 12 a is provided with a pair of shaft support portions 121 facing the upper edge portion of the ring-shaped pedestal portion 120, and the rotation shaft body 122 is rotatable between the pair of shaft support portions 121. Is pivotally supported. The rotating shaft body 122 is provided with a connecting shaft body 123 fixed so as to be orthogonal to the central portion thereof. Both end portions of the connecting shaft body 123 are pivotally supported by shaft holes formed in the inner surface of the lower end portion of the cane body portion 10 so as to be rotatable. A pair of notch grooves 100 are formed in the lower end portion of the cane body portion 10, and when the rotation connecting member 12 a is attached to the lower end portion of the cane body portion 10, the rotation shaft body 122 is notched. It is arranged in the groove 100 and attached.

  Since the rotation shaft body 122 and the connecting shaft body 123 are each attached to be rotatable, the pedestal portion 120 can be set in a state inclined in multiple directions.

  The buffer member 12b is formed in a truncated cone shape having a diameter that increases from the upper surface to the lower surface, and an opening 124 into which the pedestal portion 120 is inserted is formed in the upper portion. A plurality of anti-slip grooves 125 are formed in the lower part.

  FIG. 11 is an explanatory diagram illustrating the movement of the cane 1 when the walking motion is performed using the cane 1. In the drawing, a case of walking from right to left is shown. First, as shown in the state diagram shown on the right, the cane 1 is pushed out in the walking direction and the stone thrusting portion 12 is landed. In this case, the cane body portion 10 is inserted in an oblique direction with respect to the ground and comes into contact with the ground in a state where the lower surface of the cushioning member 12b of the stone thrusting portion 12 is inclined obliquely. 12a rotates and the entire lower surface of the buffer member 12b comes into surface contact with the ground, and does not slip.

  Next, as shown in the state diagram in the center, the user's body is carried forward to add weight to the cane 1 and the cane body portion 10 is rotated to a position upright with respect to the ground. Accordingly, since the rotation shaft body 122 and the connection shaft body 123 of the rotation connecting member 12a are rotated, the buffer member 12b is maintained in surface contact with the ground.

  Next, as shown in the state diagram shown on the left, the user's body is further moved forward, and the cane body 10 is inclined obliquely. The rotating shaft body 122 and the connecting shaft body 123 of the member 12a rotate, and the buffer member 12b is maintained in surface contact with the ground.

  As described above, in a state in which the cane 1 lands on the ground during the walking motion and the weight is added, the cushioning member 12b of the stone thrusting portion 12 is brought into surface contact with the ground, and an anti-slip effect is exerted so that the walking is safe. Operation can be performed. As described above, the grip portion 11 is in a state of being firmly gripped and supports the weight integrally from the hand to the arm portion, so that the weight can be supported by the cane 1. A natural walking motion can be performed.

  As a result of measuring the muscles of the shoulder, upper arm, and forearm of the user when actually walking with the walking stick of the present invention, and examining the electromyogram, each muscle repeated muscle contraction in a well-balanced manner. It was found that the walking movement was less burdensome.

  FIG. 12 shows an operation process when the cane 1 is manufactured. First, palm and body are measured (S100). The palm can be measured accurately by directly measuring it or by copying the palm shape at the same magnification using a copying machine or a scanner. Also, when copying with a copier or scanner, the image is recorded on paper as it is and mailed to the production company, or the copied data is stored as electronic data and online to the production company using the Internet or the like. You may make it transmit. In the measurement of the body, as shown in FIG. 9, in the upright position, the trochanter point BP1 located at the upper end of the femur and the pedicle point BP2 located at the lower end of the ulna of the forearm are high from the ground. What is necessary is just to actually measure. Since the trochanter point BP1 and the stem protrusion point BP2 protrude from the body surface, they can be easily recognized from the appearance.

  Based on the actual measurement data or the electronic data, the shape of the grip portion and the length of the cane body are calculated (S101, S102). As for the shape of the grip portion, the lines L1 to L7 and the circles Q1 and Q2 shown in FIG. 1 are drawn based on the obtained data regarding the shape of the palm, and as described above, the hill portion R1, the second finger grip portion The shapes of R2 and rear gripping part R3 are calculated. A standard grip portion shape may be prepared in advance, and the shape may be changed based on the calculated data. The shape of the standard grip portion may be created as three-dimensional data by CAD, and the shape may be changed by inputting the obtained data.

  As described above, the length of the cane body is calculated by subtracting the thickness of the grip from the average value of the trochanter point BP1 and the stem protrusion point BP2.

  Next, shape processing of the grip portion is performed based on the calculation result (S103). When performing shape processing, for example, prepare a standard shape according to the size of the palm and prepare multiple types with synthetic resin material, and prepare an appropriate standard type based on the calculated shape data. Select the grip part. Then, the shape is corrected by winding or cutting a thin resin sheet around the selected grip portion based on the calculated shape data. In addition to these processing methods, a known three-dimensional modeling apparatus can be used to accurately process based on the three-dimensional shape data. A groove as shown in FIG. 7 is formed on the lower surface of the grip portion in order to adjust the mounting position of the upper end of the cane body portion.

  Next, a cane body is created based on the calculation result (S104). In the case of creating a cane body portion, the body material previously formed into a rod shape is cut based on the calculated length data, and a stone thrusting portion is attached and fixed to one end portion, and the other end portion is shown in FIG. Adhering and fixing the protruding parts shown in

  Next, the processed grip part is attached and assembled to the created cane body part (S105). When assembling, the protrusion on the upper end of the cane body is inserted and fixed in the groove formed on the lower surface of the grip. Then, the produced walking stick is actually used for walking, and the shape of the grip portion is adjusted as necessary (S106). The adjustment of the shape is performed by attaching or cutting the resin sheet in the same manner as in the case of processing. A sheet such as a bandage may be wound and adjusted. Further, the upper end of the cane body part may be slid with respect to the grip part to adjust the position, and the attachment position between the grip part and the cane body part may be set in accordance with the weight shift in the walking motion.

It is explanatory drawing which calculates the shape of a grip part from the shape of a palm. It is explanatory drawing regarding a tendon fixation effect. It is a whole lineblock diagram about the embodiment concerning the present invention. It is the top view regarding the shape of the grip part of this embodiment, a side view, and sectional drawing. It is a use condition figure regarding the grip part of this embodiment. It is a use condition figure regarding the grip part of this embodiment. It is an enlarged view regarding the attachment part of a grip part and a cane main-body part. It is explanatory drawing regarding the attachment method of a grip part and a cane main-body part. It is a skeleton figure which shows the measurement location in the case of setting the length of a cane body part. It is a disassembled perspective view regarding the stone thrust part of this embodiment. It is explanatory drawing regarding the movement of a cane at the time of walking operation. It is the flow regarding the production process of a cane. It is a use condition figure regarding the shape of the grip part of a conventional product. It is a use condition figure regarding the shape of the grip part of a conventional product. It is explanatory drawing regarding the area | region of a palm. It is explanatory drawing regarding the operation | movement of the hand at the time of holding a rod-shaped body, and the area | region of a palm.

Explanation of symbols

1 cane
10 Staff body
11 Grip
12 Stone thrust
R1 Mt.
R2 Second finger grip
R3 Back grip

Claims (10)

A method for producing a walking aid cane comprising a cane body part and a grip part attached to the upper end part of the cane body part,
The first line based on the palm print of the bent part between the phalange of the second finger to the fifth finger and the metacarpal bone, and the second line from the second finger side end of the palmar phalanx skin line of the first finger to the trigeminal arm Corresponding to the palm region defined by two lines, the rear grip part of the grip part is curved upwardly,
The distance between the first and second lines between the bent portions of the first and second fingers and the length of a straight line extending from the tip of the second finger to the first line along the center of the second finger are added. Forming a second finger gripping portion set on the outer periphery continuously in front of the rear gripping portion;
A method for producing a walking aid cane, comprising forming a hill part formed on an outer periphery larger than the second finger gripping part and bulging upward in front of the second finger gripping part.   The rear gripping part is characterized in that the maximum thickness in the vertical direction is set based on the average value of the distance from the palmar phalanx of each third finger to the fifth finger to the first line. The production method according to claim 1.   The manufacturing method according to claim 1, wherein an upper end portion of the cane body portion is attached to a lower portion of the grip portion corresponding to a palm region surrounded by the bent portion of the first finger to the third finger. A walking aid cane having a cane body part and a grip part attached to the upper end part of the cane body part, the grip part being formed between A second gripping portion formed and a rear gripping portion formed at the rear, wherein the second finger gripping portion is formed in a constricted shape in a plan view, and the hill portion is located upward in a side view Bulge and gently curved upward from the second finger grip portion to the rear grip portion,
The second finger gripping part is formed on the outer periphery allowing the grip state in which the palm side of the second finger is pressed and the tip part on the dorsal side is pressed by the first finger,
The bulge part is formed to bulge upward so as to be larger than the outer periphery of the second finger gripping part,
The walking support cane characterized in that the rear gripping part is formed continuously wide from both sides of the second finger gripping part so as to be able to contact at least the palm part of the palm. .   From the second finger side end of the first line based on the palm print of the bent portion between the phalange of the fifth finger and the metacarpal bone and the palm finger phalangeal line of the first finger 5. The walking aid cane according to claim 4, wherein the walking aid cane is formed in correspondence with a palm region defined by a second line connecting up to the three arms.   The second finger gripping portion is located between the first and second lines between the bent portions of the first and second fingers and from the tip of the second finger to the first line along the center of the second finger. 6. The walking aid cane according to claim 5, wherein the walking aid cane is formed on an outer periphery having a length obtained by adding a length of the extending straight line.   The rear gripping portion is characterized in that the maximum thickness in the vertical direction is set based on the average value of the interval from the palmar phalanx line of each of the third finger to the fifth finger to the first line. The walking aid cane according to claim 5 or 6.   8. The upper end portion of the cane body portion is attached to the lower portion of the grip portion so as to correspond to a palm region surrounded by the bent portion of the first to third fingers. Walking aid cane.   The walking assistance cane according to any one of claims 4 to 8, further comprising an adjustment mechanism that adjusts the attachment position of the upper end portion of the cane body portion in the front-rear direction.   The walking assistance cane according to any one of claims 4 to 9, wherein a stone thrusting portion is rotatably provided at a lower end portion of the cane body portion.

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