JP5004141B2 - Blood sampling pillow - Google Patents

Description

  The present invention relates to a blood collection pillow for supporting a blood collection person's arm during blood collection.

  For example, when collecting venous blood (hereinafter referred to as “blood collection”) in a hospital or clinic, a blood collection pillow is used to support the arm of the blood sample. A conventional pillow for blood collection includes a block-shaped pillow body for supporting the arm of a blood sample and a stand member for supporting the pillow body from below (for example, see Patent Document 1). The stand member is provided with a height adjustment mechanism for adjusting the height position of the pillow body from the floor surface.

Japanese Utility Model Publication No. 7-31006

  The blood sampling pillow of the type described above has the following problems. When blood collection is performed, the blood sampler places his arm on the upper surface of the pillow body in a sitting posture. However, when the height position of the pillow body from the floor surface is high, the arm is substantially parallel to the floor surface, and the portion of the arm that pierces the injection needle (for example, the elbow socket) is higher than the heart. The collected blood may flow back into the blood vessel. In addition, when the height of the pillow body from the floor is low, the elbow joint of the blood sample is bent, so that the blood pressure does not rise easily without increasing the venous pressure in the elbow socket, making blood collection easy. Can not do.

  An object of the present invention is to provide a blood collection pillow that can prevent blood backflow during blood collection and can easily collect blood by making blood vessels easily lift.

The pillow for collecting blood according to claim 1 of the present invention is a pillow for collecting blood for supporting the arm of the blood sampler in an arm-down posture during blood collection,
A pillow main body having a support surface for supporting at least a portion from the elbow joint to the wrist joint of the blood collection subject's arm is provided, and the bending angle of the shoulder joint of the blood collection subject is 55 to 70 °. And a stepped portion is provided at the lower end portion of the support surface, and the height of the stepped portion is configured to be a height at which the blood joint of a blood sample can be dorsiflexed ,
The support surface is provided with a holding recess for receiving and holding at least part of the arm of the blood sample, and the holding recess extends in the length direction of the support surface, and the depth is The support surface is gradually increased from the lower end portion toward the upper end portion .

  Moreover, in the pillow for blood collection of Claim 2 of this invention, the height of the said level | step-difference part is 3-5 cm, It is characterized by the above-mentioned.

  In the pillow for blood collection according to claim 3 of the present invention, a grip bar is provided in front of the lower end portion of the support surface.

Further, in the pillow for collecting blood according to claim 4 of the present invention, it is a pillow for collecting blood for supporting the arm of the blood sampler in an arm-down posture at the time of blood collection,
A pillow main body having a support surface for supporting at least a portion from the elbow joint to the wrist joint of the blood collection subject's arm is provided, and the bending angle of the shoulder joint of the blood collection subject is 55 to 70 °. And a stepped portion is provided at the lower end of the support surface, and a grip rod is provided in front of the lower end of the support surface,
The height of the stepped portion is 3 to 5 cm, and the wrist joint of the blood sampler holding the grip bar is configured to be able to bend back toward the stepped portion .

Moreover, in the pillow for blood collection of Claim 5 of this invention , the wrist joint of the blood-collecting person who hold | gripped the said grip rod is comprised so that it can bend back at an angle of 20-30 degrees toward the said level | step-difference part . It is characterized by that.

The pillow for blood collection according to claim 6 of the present invention is a pillow for blood collection for supporting the arm of a blood sampler in an arm-down posture during blood collection,
A pillow main body having a support surface for supporting at least a portion from the elbow joint to the wrist joint of the blood collection subject's arm is provided, and the bending angle of the shoulder joint of the blood collection subject is 55 to 70 °. And a stepped portion is provided at the lower end portion of the support surface, and the height of the stepped portion is configured to be a height at which the blood joint of a blood sample can be dorsiflexed,
In relation to the pillow main body, a stand member for supporting the pillow main body from below is provided, and the stand member is provided at a stand main body portion having a height adjusting mechanism and an upper end portion of the stand main body portion. A mounting portion,
The pillow body includes an upper pillow body having the support surface, and a lower pillow body detachably attached to a lower surface of the upper pillow body,
A mounting recess is provided on the lower surface of the lower pillow body, and the mounting portion of the stand member is detachably mounted in the mounting recess .

According to the pillow for blood collection described in claim 1 of the present invention, since the support surface is configured in an inclined shape, the blood collection subject's arm is supported by the support surface in an arm-down position, thereby Since the part of the arm that pierces the injection needle (for example, the elbow fossa) is positioned lower than the heart, the backflow of blood can be prevented. Further, the support surface is configured to be inclined so that the bending angle of the shoulder joint of the blood sample is 55 to 70 ° (in other words, the angle of the supporting surface with respect to the vertical direction is greater than the bending angle of the shoulder joint). Therefore, the arm can be easily supported on the supporting surface in a state where the elbow joint is extended, so that the blood sample can maintain a comfortable posture. Can receive blood without feeling pain. Moreover, since the step part is provided in the lower end part of the support surface, when a blood-collected person's arm is supported by a support surface, a wrist joint can be bent back toward a step part. Due to the dorsiflexion of the wrist joint, the elbow joint extends physiologically, and the extended position of the elbow joint is maintained at about 0 °. As a result, the venous pressure in the cubital fossa increases and the blood vessels rise, and blood can be collected easily. In general, the insertion angle of the injection needle with respect to the arm of the blood sample is about 30 °, but by holding the bending angle of the shoulder joint of the blood sample at, for example, about 60 °, the syringe (or vacuum blood collection tube) ) Is substantially parallel to the ground, and blood can be collected easily.
In addition, since the holding surface is provided with a holding recess, at least a part of the blood collection subject's arm (for example, a portion from the elbow joint to the wrist joint) is accommodated and held in the holding recess, thereby The arm of the blood sampler can be stably supported on the support surface. Further, the holding recess extends in the length direction of the support surface, and its depth is gradually increased from the lower end portion of the support surface toward the upper end portion. The hand joint is housed and held at the lower end of the support surface (portion where the depth of the holding recess is shallow). In general, the thickness of the elbow joint is larger than the thickness of the wrist joint, so that the portion from the elbow joint to the wrist joint of the blood sample's arm can be stably held in the holding recess by being held and held as described above. It can be stored and held.

  Moreover, according to the pillow for blood collection of Claim 2 of this invention, since the height of a level | step-difference part is 3-5 cm, a wrist joint can be reliably bent back toward a level | step-difference part. In addition, when the wrist joint is bent back, the dorsal side (or fist part) of the fingers comes into contact with the mounting surface of the pillow body (for example, the upper surface of the table), thereby bending the wrist joint. It can be easily held in the required state.

  Moreover, according to the pillow for blood collection described in claim 3 of the present invention, since the grip rod is provided in front of the lower end portion of the support surface, the blood sample can be collected by grasping the grip rod by hand. The arm can be stably supported on the support surface, and the blood vessel can be effectively lifted by the blood transducing effect.

Moreover, according to the pillow for blood collection of Claim 4 of this invention, since the height of a level | step-difference part is 3-5 cm, a wrist joint can be reliably bent back toward a level | step-difference part. In addition, when the wrist joint is bent back, the dorsal side (or fist part) of the fingers comes into contact with the mounting surface of the pillow body (for example, the upper surface of the table), thereby bending the wrist joint. It can be easily held in the required state.
Furthermore, since a grip rod is provided in front of the lower end portion of the support surface, by grasping the grip rod by hand, the blood collection person's arm can be stably supported on the support surface, The blood vessel can be effectively lifted by the blood-feeding effect.

Moreover, according to the pillow for blood collection of Claim 5 of this invention , the wrist joint of the blood-collecting person who hold | gripped the grip rod is comprised so that a dorsiflexion is possible at an angle of 20-30 degrees toward a level | step-difference part. Therefore, the extension position of the elbow joint is maintained at about 0 degrees in the arm-down posture, and the venous pressure in the elbow fossa is increased to raise the blood vessel.

Moreover, according to the pillow for blood collection of Claim 6 of this invention, since the stand member for supporting a pillow main body from the downward direction is provided, according to the height etc. of a blood-collected person, The height position from the floor surface of the pillow body can be adjusted as appropriate by the height adjustment mechanism. Also, the pillow body can be divided into an upper pillow body having a support surface and a lower pillow body having a mounting recess, so that by removing the lower pillow body from the upper pillow body, the upper pillow body is placed on the table. It can be mounted and used. Therefore, depending on the application, etc., there are two usage methods (i.e., a method in which the lower pillow body is attached to the upper pillow body and the pillow body is supported by the stand member , and the lower pillow body is removed from the upper pillow body. A method of using the pillow body on the top surface of the table or the like can be selected as appropriate.

It is a perspective view which shows the pillow for blood collection by one Embodiment of this invention. It is a side view of the pillow for blood collection of FIG. It is a perspective view which shows the use condition of the pillow for blood collection of FIG. It is sectional drawing of the pillow for blood collection by the AA line in FIG. It is a perspective view which shows the pillow for blood collection by other embodiment of this invention. It is a disassembled perspective view of the pillow for blood collection of FIG. It is a perspective view which shows the use condition of the pillow for blood collection of FIG. It is a perspective view which shows the other usage pattern of the pillow for blood collection of FIG.

  Hereinafter, an embodiment of a pillow for blood collection according to the present invention will be described with reference to the accompanying drawings. 1 is a perspective view showing a blood collection pillow according to an embodiment of the present invention, FIG. 2 is a side view of the blood collection pillow of FIG. 1, and FIG. 3 is a use state of the blood collection pillow of FIG. FIG. 4 is a cross-sectional view of the pillow for blood collection along the line AA in FIG.

  1 and 2, the illustrated blood collection pillow 2 includes a pillow body 4 having a substantially right-angled triangular cross section. The pillow body 4 is provided with an inclined support surface 6, and a holding recess 8 extending in the length direction is provided at the center in the width direction of the support surface 6. The depth of the holding recess 8 is gradually increased from the lower end portion of the support surface 6 toward the upper end portion (see FIG. 2). Thus, the angle θ1 with respect to the vertical direction (vertical direction in FIG. 2) of the center portion in the width direction (holding recess 8) of the support surface 6 is configured to be larger than the angle θ2 with respect to the vertical direction at both end portions in the width direction of the support surface 6. Will come to be. In the present embodiment, the angle θ1 is set to 65 °, and the angle θ2 is set to 60 °.

  Further, a step portion 10 is provided at the lower end portion of the support surface 6, and the step portion 10 causes the lower end edge of the support surface 6 to be a predetermined height h (for example, about 4 cm) from the lower surface of the pillow body 4. It will be located at a high position.

  Moreover, the pillow main body 4 is comprised from the cushion material (not shown) and the cover (not shown) which covers a cushion material. The cushion material is made of a low resilience material such as urethane, and the cover is made of polyester or leather, for example. The cover is preferably made of a material that does not slip easily.

  In addition, the size of the pillow body 4 is configured such that the height H is 18 cm, the width W is 20 cm, and the length L of the support surface 6 is 27 cm. The length L of the support surface 6 is preferably configured to be a length capable of supporting at least a portion of the arm 14 of the blood sample 12 from the elbow joint 16 to the wrist joint 18, for example, about 26 to 30 cm. By configuring, the elbow joint 16 of the blood sample 12 is reliably supported by the support surface 6, and the extended position of the elbow joint 16 can be reliably held at about 0 degrees as will be described later.

  Connection portions 20 are provided at both end portions of the lower end portion of the support surface 6 so as to extend forward (leftward in FIG. 2). A grip rod 22 extending in a substantially horizontal direction is supported at each tip of the pair of connection portions 20. The height position of the grip bar 22 is set to the same height position as the lower end edge of the support surface 6 or a slightly lower height position.

  With reference also to FIG.3 and FIG.4, the usage method of the pillow 2 for blood collection mentioned above is demonstrated. First, the pillow body 4 is placed on the upper surface (mounting surface) of the table 23, for example. The blood sampled person 12 supports at least a portion of the arm 14 from which blood is collected from the elbow joint 16 to the wrist joint 18 in the holding recess 8 of the support surface 6 and holds the grip rod 22 with the hand 24. At this time, since the cushion material of the pillow body 4 is formed of a low repulsive material, the arm 14 of the blood sample 12 slightly sinks into the holding recess 8, and the arm 14 is stabilized on the support surface 6. Supported. In general, since the elbow joint 16 is thicker than the wrist joint 18, the elbow joint 16 is supported by the upper end portion of the support surface 6 (the portion where the holding recess 8 is deep) and the wrist joint 18. Is supported by the lower end portion of the support surface 6 (the portion where the depth of the holding recess 8 is shallow), so that the portion from the elbow joint 16 to the wrist joint 18 of the arm 14 of the blood sample 12 becomes the holding recess 8. It can be stably housed and held.

  When the arm 14 of the blood sample 12 is supported by the holding recess 8 of the support surface 6, the central axis of the arm 14 is substantially parallel to both ends of the support surface 6 in the width direction. The bending angle θ3 of 26 (that is, the angle of the central axis of the arm 14 with respect to the vertical direction) is approximately 60 ° that is substantially equal to the angle θ2 with respect to the vertical direction of both ends of the support surface 6 in the width direction. In other words, the bending angle θ3 of the shoulder joint 26 is smaller by about 5 ° than the angle θ1 of the supporting surface 6 with respect to the vertical direction of the holding recess 8. Thereby, the arm 14 is supported by the support surface 6 in an arm-down posture, and the position of the elbow joint 16 can be made lower than the heart (apex). In addition, the arm 14 can be easily supported on the support surface 6 with the elbow joint 16 extended, and thus the blood sample 12 can maintain a comfortable posture and blood can be collected without feeling painful. Can receive.

  In addition, in order to make the position of the elbow joint 16 lower than the heart and collect blood without feeling pain, the bending angle θ3 of the shoulder joint 26 of the blood sample 12 is 55 to 70 ° (in other words, The angle θ1 with respect to the vertical direction of the support recess 8 is preferably 60 to 75 °, and 60 to 65 ° (in other words, the angle θ1 with respect to the vertical direction of the support recess 8 is 65 to 70 °). Is more preferable. When the bending angle θ3 is smaller than 55 °, the elbow joint 16 of the blood sample 12 becomes overextended, and it becomes difficult to maintain an unreasonable posture. When the bending angle θ3 is larger than 70 °, the position of the elbow joint 16 of the blood sample 12 becomes higher than the heart, and the collected blood may flow back into the blood vessel.

  Further, since the step portion 10 is provided at the lower end portion of the support surface 6, the dorsiflexion angle with the wrist joint 18 of the blood sample 12 facing the step portion 10 when the gripping rod 22 is gripped by the hand 24. The back can be bent at θ4 (about 20 to 30 °). Due to the dorsiflexion of the wrist joint 18, the elbow joint 16 extends physiologically. Thus, while holding the extended position of the elbow joint 16 at about 0 degrees in the arm-down posture, and holding the gripping rod 22 with the hand 4, the venous pressure of the elbow socket 28 increases and the blood vessel comes to rise. .

  In addition, it is preferable that the height h of the level | step-difference part 10 is 3.0-5.0 cm, and it is more preferable that it is 3.5-4.5 cm. By configuring the height h of the stepped portion 10 in this way, the wrist joint 18 can be reliably bent back, and when the wrist joint 18 is bent back, the back side of the finger (or fist part) Comes into contact with the upper surface of the table 23 and can be easily held in a required state in which the wrist joint 18 is bent back. If the height h of the stepped portion 10 is smaller than 3.0 cm, the wrist joint 18 cannot be sufficiently dorsiflexed, and if the height h of the stepped portion 10 is larger than 5.0 cm, the wrist joint When the back 18 is bent back, the dorsal side (or fist part) of the fingers does not come into contact with the upper surface of the table 23, and it becomes difficult to hold the wrist joint 18 in the back bent state.

  After the arm 14 is supported on the support surface 6 as described above, a tourniquet (not shown) is wrapped around the upper arm of the blood sample 12 and, for example, the sternum 28 is sterilized and then the needle of the syringe 30 is injected. 32 is stabbed and blood is collected. As described above, the position of the elbow joint 16 that pierces the injection needle 32 is lower than that of the heart, so that the backflow of blood can be prevented. In general, the insertion angle θ5 of the injection needle 32 with respect to the arm 14 of the blood sample 12 is about 30 °, but in this embodiment, the bending angle θ3 of the shoulder joint 26 of the blood sample 12 is about 60 °. Therefore, the syringe 30 is substantially parallel to the ground, and blood can be collected easily.

  Next, with reference to FIGS. 5-8, the pillow for blood collection of other embodiment is demonstrated. 5 is a perspective view illustrating a pillow for blood collection according to another embodiment of the present invention, FIG. 6 is an exploded perspective view of the pillow for blood collection of FIG. 5, and FIG. 7 is a perspective view of the pillow for blood collection of FIG. FIG. 8 is a perspective view showing another use state of the blood collection pillow of FIG. 5. In the present embodiment, components that are substantially the same as those in the above-described embodiment are denoted by the same reference numerals, and description thereof is omitted.

  With reference to FIGS. 5 and 6, in the illustrated blood collection pillow 2 </ b> A, the pillow body 4 </ b> A includes an upper pillow body 34 having a support surface 6, and a lower pillow body 36 that is detachably attached to the lower surface of the upper pillow body 34. And have. A pair of mounting holes 37 are provided on the lower surface of the upper pillow main body 34 so as to extend upward, and other configurations of the upper pillow main body 34 are substantially the same as those of the pillow main body 4 of the above embodiment. On the lower surface of the lower pillow body 36, a supporting recess 38 having a substantially arc-shaped cross section is provided extending in the front-rear direction. A pair of mounting pins 40 are provided on the upper surface of the lower pillow body 36 so as to extend upward corresponding to the pair of mounting holes 37 of the upper pillow body 34. The lower pillow body 36 is attached to the lower surface of the upper pillow body 34 by inserting the attachment pins 40 into the attachment holes 37.

  With reference also to FIG. 7, the usage method of the pillow 2A for blood collection mentioned above is demonstrated. First, with the lower pillow body 36 attached to the lower surface of the upper pillow body 34, the support recess 38 of the lower pillow body 36 is supported by the thigh 44 of the blood sampler 12 seated on the chair 42. In the same manner as in the above embodiment, blood is collected with the support surface 6 supporting the arm 14 of the blood sample 12. Therefore, even when there is no table or the like for placing the pillow body 4A, the pillow body 4A can be supported by the thigh 44 of the blood sampled person 12, and the degree of freedom of the place to collect blood can be increased. . Further, when the arm 14 of the blood sample 12 is supported on the support surface 6, the pillow body 4A is pressed against the thigh 44 of the blood sample 12, so that the pillow body 4A is stably supported. Can do.

  In addition, by removing the lower pillow body 36 from the upper pillow body 34 and placing the upper pillow body 34 on a table or the like, the upper pillow body 34 can be used in the same manner as in the above embodiment.

  Alternatively, as shown in FIG. 8, a stand member 46 for supporting the pillow body 4A from below can also be used. The stand member 46 includes a stand main body 48 and a block-shaped pillow main body 50 (constituting a mounting portion) provided at the upper end of the stand main body 48. The stand main body 48 is provided with a height adjusting mechanism (not shown) for adjusting the height position of the pillow main body 50 from the floor surface. Note that a ready-made product can be used as the stand member 46. The pillow body 4B of the blood collection pillow 2B includes an upper pillow body 34 having a support surface 6 and a lower pillow body 36B that is detachably attached to the lower surface of the upper pillow body 34. A mounting recess 52 having a shape corresponding to the shape of the pillow body 50 of the stand member 46 is provided on the lower surface of the lower pillow body 36B. By mounting the mounting recess 52 detachably on the pillow body 50 of the stand member 46, the pillow body 4 </ b> B is supported by the pillow body 50 of the stand member 46. Accordingly, when it is desired to adjust the height position of the pillow body 4B, the pillow body 4A can be supported by the upper end of the stand member 46 and used. In addition, although the mounting part was comprised from the pillow main body 50, it can also comprise from a plate-shaped attachment bracket etc., for example.

  In the present embodiment, the upper pillow body 34 and the lower pillow body 36 (36B) are configured separately, but they can also be configured integrally. In such a case, the supporting recess 38 (mounting recess 52) is provided on the lower surface of the pillow body 4A (4B).

  Further, the support recess 38 may be mounted on the pillow body 50 of the stand member 46 using the support recess 38 described above as a mounting recess. In such a case, depending on the application, etc., there are three usage methods (i.e., a method in which the lower pillow body 36 is removed from the upper pillow body 34 and the upper pillow body 34 is placed on the upper surface of the table 23, A method of attaching the lower pillow body 36 to the upper pillow body 34 and supporting the pillow body 4A on the thigh 44 of the blood sample 12 and a lower pillow body 36 attached to the upper pillow body 34 to stand the pillow body 4A The method of supporting and using the upper end portion of the member 46 can be appropriately selected.

  As mentioned above, although various embodiment of the pillow for blood collection according to this invention was described, this invention is not limited to this embodiment, A various deformation | transformation thru | or correction | amendment are possible without deviating from the scope of the present invention.

  In each said embodiment, although it comprised so that the grip rod 22 might be provided ahead of the lower end part of the support surface 6, this grip rod 22 may be abbreviate | omitted. In addition, although the holding concave portion 8 is provided on the support surface 6, the holding concave portion 8 may be omitted.

  Moreover, in each said embodiment, although comprised so that the both ends of the grip rod 22 might be supported by a pair of connection part 20, only one connection part 20 is provided and the end part of the grip bar 22 is provided with this connection part 20. You may comprise so that it may support.

2,2A, 2B Blood sampling pillow 4,4A, 4B Pillow body 6 Support surface 8 Holding recess 10 Stepped portion 12 Blood sample 14 Arm 16 Elbow joint 18 Wrist joint 22 Grip bar 26 Shoulder joint 34 Upper pillow body 36, 36B Lower pillow body 38 Recess for support 44 Thigh 46 Stand member 48 Stand body 50 Pillow body (mounting part)
52 Recess for mounting

Claims (6)

A pillow for collecting blood to support the arm of the blood sampler in an arm-down position during blood collection;
A pillow main body having a support surface for supporting at least a portion from the elbow joint to the wrist joint of the blood collection subject's arm is provided, and the bending angle of the shoulder joint of the blood collection subject is 55 to 70 °. And a stepped portion is provided at the lower end portion of the support surface, and the height of the stepped portion is configured to be a height at which the blood joint of a blood sample can be dorsiflexed ,
The support surface is provided with a holding recess for receiving and holding at least part of the arm of the blood sample, and the holding recess extends in the length direction of the support surface, and the depth is A pillow for blood collection, wherein the pillow is gradually increased from the lower end to the upper end of the support surface .   The pillow for blood collection according to claim 1, wherein the height of the stepped portion is 3 to 5 cm.   The blood sampling pillow according to claim 1 or 2, wherein a grip bar is provided in front of the lower end of the support surface. A pillow for collecting blood to support the arm of the blood sampler in an arm-down position during blood collection;
  A pillow main body having a support surface for supporting at least a portion from the elbow joint to the wrist joint of the blood collection subject's arm is provided, and the bending angle of the shoulder joint of the blood collection subject is 55 to 70 °. And a stepped portion is provided at the lower end of the support surface, and a grip rod is provided in front of the lower end of the support surface,
  The height of the stepped portion is 3 to 5 cm, and the blood-collecting pillow is configured such that the wrist joint of the blood sampled person holding the gripping rod can bend back toward the stepped portion. The blood sampling pillow according to claim 4, wherein the wrist joint of the blood sampler holding the grip bar is configured to be dorsiflexible at an angle of 20 to 30 degrees toward the stepped portion. A pillow for collecting blood to support the arm of the blood sampler in an arm-down position during blood collection;
  A pillow main body having a support surface for supporting at least a portion from the elbow joint to the wrist joint of the blood collection subject's arm is provided, and the bending angle of the shoulder joint of the blood collection subject is 55 to 70 °. And a stepped portion is provided at the lower end portion of the support surface, and the height of the stepped portion is configured to be a height at which the blood joint of a blood sample can be dorsiflexed,
  In relation to the pillow main body, a stand member for supporting the pillow main body from below is provided, and the stand member is provided at a stand main body portion having a height adjusting mechanism and an upper end portion of the stand main body portion. A mounting portion,
  The pillow body includes an upper pillow body having the support surface, and a lower pillow body detachably attached to a lower surface of the upper pillow body,
  A blood collecting pillow, wherein a mounting recess is provided on a lower surface of the lower pillow body, and the mounting portion of the stand member is detachably mounted in the mounting recess.

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