KR101746120B1

KR101746120B1 - Apparatus for supporting blood sampling

Info

Publication number: KR101746120B1
Application number: KR1020150070884A
Authority: KR
Inventors: 박철민; 박철우; 성지현
Original assignee: 금오공과대학교 산학협력단
Priority date: 2015-05-21
Filing date: 2015-05-21
Publication date: 2017-06-12
Also published as: KR20160136820A

Abstract

The present invention relates to a device for supporting blood collection by pressing an arm of a blood collection subject during blood collection. The present invention provides a blood collection device comprising a body part 120, pushing parts 130 and 230 installed on the body part 120, And a driving motor for driving the pressing portions 130 and 230. The pressing portions 130 and 230 are formed in a semicircular shape fixed to the upper portion of the body portion 120 and opened at the upper portion And a plurality of fixing portions 131 and 231 formed on the outer circumference of the fixing portion 131 and 231 so as to surround the outer circumference of the fixing portion 131 and 231 while being accommodated in the body portion 120, And rotation parts (132, 232) for closing the open top of the fixing parts (131, 231) by rotation of the fixing part (131, 231).

Description

{APPARATUS FOR SUPPORTING BLOOD SAMPLING}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a device for supporting blood collection by pressing an arm of a blood collection subject during blood collection.

Generally, blood sampling is performed by a clinician, nurse, or nurse practitioner in a clinic, by directly observing the site of blood sampling, then manually tying the tourniquet and stabbing the needle. However, such a blood sampling procedure takes a lot of time, and the tension can be changed every time the tourniquet is tied. If it is tied too strongly, it may cause inconvenience to the subject, and if tied too weakly, blood sampling may not be performed properly. In addition, in the process of tying and loosening the tourniquet manually, contamination of the aseptic procedure may lead to fatal consequences for the patient's prognosis.

Registration No. 20-0226025 discloses an apparatus having a pressing portion for pressing an arm for blood collection. The pressing portion disclosed in the above prior art document has an opening / closing hood that is hinged to the stationary hood and the stationary hood, and has a pushing bar that expands inside and presses the arm.

An object of the present invention is to provide a device for automatically recognizing an arm of a blood sampling subject during blood sampling and supporting blood collection by pressing it to an appropriate level.

According to an aspect of the present invention,

And a cradle including a body part 120, pressing parts 130 and 230 provided on the body part 120 and a driving motor for driving the pressing parts 130 and 230, 130 and 230 are fixed to the upper part of the body part 120 and have a semicircular shape with an open upper part and a fixing part 131 and 231 fixed to the upper part of the body part 120 while being accommodated in the body part 120. [ 231), and a rotation unit (132, 232) which rotates about the center of the circular arc of its own by means of the drive motor to close the open top of the fixed unit (131, 231) And a blood sampling unit for blood sampling is provided.

The rotation part 132 includes a contact part 134 formed on the inner circumferential surface and the fixing part 131 and the contact part 134 may be made of a cushion material.

The fixing portion 131 and the contact portion 134 may be made of a memory foam or an epoxy material.

The stationary blood sampler may further include a detector for detecting a state where the arm is seated in the fixing portion 131. [

The stationary blood-

And a load measuring device for measuring a load applied to the driving motor.

The rotation part 232 has a contact part 234 formed on the inner circumferential surface and the fixing part 231 and the contact part 234 can be expanded or contracted by the amount of fluid supplied to the inside part.

The stationary blood collection assistant further includes a push wire 350 accommodated in the contact portion 134 and a push wire driving motor for pulling the push wire 350. The end of the push wire 350 is connected to the contact portion 134 In the radial direction.

According to the present invention, all of the objects of the present invention described above can be achieved. Specifically, the semicircular rotating part is rotated, and the arm is pressed with an appropriate force, so that blood can be easily supported.

1 is a side view showing a stationary blood collecting support apparatus according to an embodiment of the present invention.
Fig. 2 is a front view showing the cradle shown in Fig. 1, showing a state in which the pressing portion is opened.
Fig. 3 is a front view showing the cradle shown in Fig. 1, showing a state in which the pressing portion is closed.
4 is a front view showing a cradle of a stationary blood collecting support apparatus according to another embodiment of the present invention.
FIG. 5 and FIG. 6 are front views showing a cradle of a stationary blood collecting support apparatus according to another embodiment of the present invention, in which the pushing portions are opened and closed, respectively.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a stationary blood collecting support apparatus according to an embodiment of the present invention. 1, a stationary blood sampling support apparatus 100 according to an embodiment of the present invention includes a cradle 110, an arm support 150, and a manipulation unit 160.

The holder 110 includes a body part 120 and a pressing part 130 provided on the body part 120. Although not shown in the inside of the body part 120, a driving motor for driving the pressing part 130 is accommodated.

The pressing part 130 includes a fixing part 131 fixed to the upper part of the body part 120 and a rotation part 132 installed on the body part 120 to rotate with respect to the fixing part 131.

The fixing part 131 is fixed to the upper part of the body part 120 as a semicircular shape having an open upper part on the upper surface of the holder 110. The fixing part 131 is made of a material providing a cushion such as a memory foam or an epoxy. The arm (A) is seated on the inner peripheral surface of the fixing part (131).

The rotation part 132 is accommodated in the body part 120 so as to surround the outer periphery of the fixing part 131 as a semicircular shape. The rotating portion 132 includes a semicircular support 133 and a contact portion 134 of a cushion material attached to the inner circumferential surface of the support 133. The support 133 serves as a structure for maintaining the shape of the rotation part 132. The abutting portion 134 is in contact with the arm (A) when blood is drawn and exerts a pressing force. The rotation part 132 is rotated by the driving motor installed on the body part 120 with its center of arc as the rotation center to close the open upper part of the fixing part 131. [ The rotating portion 132 may completely close the open upper portion of the fixing portion 131, but its rotational angle is adjusted so as to be partially closed so that the pressing force applied to the arm A can be adjusted. Although not shown, the body part 120 is provided with a load measuring device (not shown) for measuring the load applied to the driving motor. The pressing force applied to the arm A by the load measuring device (not shown) can be measured.

The armrest 150 is formed to extend from the body portion 120 of the holder 110 so that a part of the arm A including the forehead can be easily put on the body when the blood is drawn.

The operating unit 160 is provided with various operating means for smooth operation of the pressing unit 130. The operation unit 160 includes a display unit and various operation buttons.

Although not shown, the stationary blood collecting support apparatus 100 further includes a detection unit for determining whether the arm A is present in the fixing unit 131. [

Although not shown, the stationary blood collection support apparatus further includes a control unit (not shown). The control unit is installed in the body 120 to control a driving motor (not shown) that drives the rotating unit 132. A control unit (not shown) receives a signal from a detector (not shown) to operate a driving motor (not shown) to rotate the rotation unit 132 and to rotate the rotation unit 132 (not shown) when an appropriate load is detected from a load measuring device ).

The operation of the above embodiment will now be described in detail with reference to the drawings.

The holder 110 of the stand-by type blood collecting support apparatus 100 is in a state as shown in Fig. Referring to FIG. 2, the rotation part 132 is received in the body part 120, and the fixing part 131 is completely opened. In this state, when a person to be blood-drawn places the arm A on the fixing part 131 for blood collection, a detector (not shown) confirms the seating of the arm A and transmits the electric signal to the controller (not shown) . A control unit (not shown) confirms that the arm A is seated in the fixing unit 131 through a detector (not shown), and transmits a driving signal to a driving motor (not shown). The driving motor (not shown) receiving the driving signal from the control unit (not shown) rotates the rotation unit 132 to close the fixing unit 131. 3 shows a state in which the fixing part 131 is closed by the rotation part 132. As shown in FIG. Referring to FIG. 3, the arm A is in a state of being pressed by the fixed portion 131 and the contact portion 134. When the arm (A) is thick, the pressing force can be reduced by reducing the contact area between the arm (A) and the contact part (134) by rotating the rotation part (132) A suitable pressing force can be adjusted by transferring a load applied to a driving motor (not shown) measured by a load measuring device (not shown) to a control unit (not shown).

FIG. 4 is a view of a cradle provided in a stationary blood collecting support apparatus according to another embodiment of the present invention. Referring to FIG. 4, the holder 210 includes a body 120 and a pressing part 230 installed on the body 120. Although not shown in the inside of the body part 120, a driving motor for driving the pressing part 230 is accommodated.

The pressing portion 230 includes a fixing portion 231 fixed to the upper portion of the body portion 120 and a rotation portion 232 installed on the body portion 120 to rotate with respect to the fixing portion 231.

The fixing portion 231 is fixed to the upper portion of the body portion 120 in a semicircular shape having an open upper portion on the upper surface of the holder 110. [ The fixing portion 231 may expand by the fluid (air or water) supplied therein to reduce the internal area. The expanded state is shown in Fig. 4, and the state before expansion is indicated by a dot-dash line. When the fluid in the fixing part 231 is discharged in the expanded state, the fixing part 231 contracts like a dot chain line.

The rotation part 232 is accommodated in the body part 120 so as to surround the outer periphery of the fixing part 231 in a semicircular shape. The rotating portion 232 has a semicircular support 233 and a contact portion 234 attached to the inner circumferential surface of the support 233. [ The support body 233 serves as a structure for maintaining the shape of the rotation part 232. The contact portion 234 can be expanded by the fluid supplied therein to reduce the internal area. The expanded state is shown in Fig. 4, and the state before expansion is indicated by a dot-dash line. When the fluid of the contact portion 234 is discharged in the expanded state, the fixing portion 231 contracts like a dotted line.

The stationary blood collection assistant including the cradle 210 shown in Fig. 4 further includes a pump for adjusting the amount of fluid to be filled in the fixed portion 231 and the contact portion 234. [

5 and 6, a holder 310 of a stationary blood drawer according to another embodiment of the present invention is shown. Referring to FIGS. 5 and 6, the holder 310 further includes a pushing wire 350 provided inside the contact portion 134 in the holder 110 shown in FIGS. The end of the pushing wire 350 is fixed to the radial-direction end of the contact portion 134, and is held in a wound state when it is in the open state as shown in Fig. 5, and pulled by a separate pressure wire drive motor. Further, a tension sensor is connected to the pressing wire 350 to control the operation of the pressure wire driving motor. 5, when the blood collecting subject places the arm A on the fixing part 131 in a state where the fixing part 131 is fully opened, the detector (not shown) And transmits it to the control unit (not shown) by an electrical signal. A control unit (not shown) confirms that the arm A is seated in the fixing unit 131 through a detector (not shown), and transmits a driving signal to a driving motor (not shown). The driving motor (not shown) receiving the driving signal from the control unit (not shown) rotates the rotation unit 132 to close the fixing unit 131 as shown in FIG. The pressing wire 350 wound in this process is pulled and pulled by the pressing wire driving motor to urge the arm A. When the tension sensor detects that a predetermined tension is applied to the tension sensor, the operation of the pressing wire driving motor is stopped .

Although the present invention has been described with reference to the above embodiments, the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: Stationary blood collection support machine
110: Cradle
120:
130:
131:
132:
150: arm bracket
160:

Claims

A driving motor for driving the pressing part 130, a pressing wire 350, and a pressing wire 350 for pressing the pressing wire 350. The pressing part 350 includes a body part 120, a pressing part 130 installed on the body part 120, And a cradle having a pulling wire drive motor for pulling,
The pressing part 130 includes a semicircular fixing part 131 which is fixed to the upper part of the body part 120 and opened at an upper part thereof and a fixing part 131 which is fixed to the fixing part 131 And a rotation part 132 which is formed in a semicircle shape surrounding the outer periphery of the fixing part 131 and rotates about the center of the arc thereof as a rotation center and closes the opened top of the fixing part 131,
The rotation part 132 has a contact part 134 formed on an inner peripheral surface thereof,
The end of the pressing wire 350 is fixed to the radial end of the contact portion 134,
Wherein the pressing wire (350) is wound when the rotating part (132) is received in the body part (120).

The method according to claim 1,
Wherein the fixing part (131) and the contact part (134) are made of a cushion material.

The method according to claim 1,
Wherein the fixing part (131) and the contact part (134) are made of memory foam or epoxy material.

The method according to claim 1,
And a detector for detecting a state in which the arm is seated in the fixing part (131).

The method according to claim 1,
Further comprising a tension sensor connected to the pressing wire (350) and measuring a tension applied to the pressing wire (350).

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