KR101725639B1 - Assistant equipment for Intravenous injection and blood collecting of Rat - Google Patents

Assistant equipment for Intravenous injection and blood collecting of Rat Download PDF

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Publication number
KR101725639B1
KR101725639B1 KR1020150092417A KR20150092417A KR101725639B1 KR 101725639 B1 KR101725639 B1 KR 101725639B1 KR 1020150092417 A KR1020150092417 A KR 1020150092417A KR 20150092417 A KR20150092417 A KR 20150092417A KR 101725639 B1 KR101725639 B1 KR 101725639B1
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South Korea
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needle
tail
fixing
base
movement guide
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KR1020150092417A
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Korean (ko)
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KR20170002768A (en
Inventor
김정곤
김경원
이창경
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울산대학교 산학협력단
재단법인 아산사회복지재단
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Priority to KR1020150092417A priority Critical patent/KR101725639B1/en
Publication of KR20170002768A publication Critical patent/KR20170002768A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D3/00—Appliances for supporting or fettering animals for operative purposes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/0045—Devices for taking samples of body liquids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Husbandry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention relates to a body-shaped base having a plate-shaped base vertically connected to a body support on an upper surface thereof, a body fixing unit for fixing the animal to be sited in an upper position, A tail fixing part for pressing and fixing the upper part of the base and an upper part of the base so as to be slidable in the front and rear direction and the left and right direction and for clamping the injection needle vertically and rotatably, And a needle injection guide portion for guiding a needle to be injected.
Such a non-intravenous injection and blood-collecting auxiliary apparatus for a laboratory rat is characterized in that a body portion of an animal to be injected is fixed to a body fixing portion rotatably mounted on a body support of a base, The tail portion of the animal to be injected is fixedly arranged and then the injection needle is fixed to the needle injection guide portion so that the injection needle can be precisely injected into the tail portion of the animal to be injected. It is possible to accurately and easily inject the vein in the tail of the animal.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intravenous injection device for intravenous injection of blood,

The present invention relates to an intravenous injection and a blood collection aid of a laboratory mouse which enables a laboratory mouse to be placed in a stable manner to enable injection and blood collection on the vein.

In general, intravenous injection has many advantages over other routes. Since the drug solution reaches the necessary tissues of the body through the heart within a few seconds, the effect appears quickly and the response becomes clear. It is used when it is necessary to supply water, saline, other necessary electrolytes when the water can not be administered orally, or to inject blood such as antidote into the blood as well as blood supply after hemorrhage, or to expect fast drug efficacy. It is a kind of intravenous injection that is dictated. It is used as injection means because it can inject a large amount without pain.

Experimental rats are used for evaluation using newly developed drugs or contrast agents. In this case, intravenous injection is indispensable. Normally, a mouse is held with one hand and the other is injected into the tail. With thinness and weakness, the swing of the tail requires technical skill, and it is difficult for one person to inject.

Therefore, in the past, an auxiliary mechanism for putting the body of the experimental rat into the cylinder and fixing the body has been used. However, the conventional ancillary apparatus is limited in its use because the body is placed inside the barrel so that only the tail vein is secured, rather than a convenient and stable anchoring rat.

Such a conventional laboratory rat holder is disclosed in Korean Utility Model Registration No. 20-0329108 (September 26, 2003).

The present invention provides an intravenous injection and a blood collection device for a laboratory rat, which enables easy injection and blood collection in the tail portion while stably fixing the trunk and tail portion of the rat for securing the vein of the experimental rat .

The present invention relates to a body having a plate-like base having a body support vertically coupled to an upper surface thereof, a body rotatably connected to the body support in a state of being arranged on the upper side of the base, A body fixing part for fixing the body to be fixed to the body, a body fixing part for fixing the body to the body fixing part, And an upper part of the base is connected to the upper part of the base so as to be slidable in the forward, rearward, left and right directions, and the injection needle is vertically moved and rotatably clamped so that the tail of the subject animal fixed to the tail fixing part And a needle injection guide portion for guiding the injection needle to be injected It provides a non-intravenous blood collection and aid of the mouse.

The intravenous injection and blood collecting assist device of the experimental rat according to the present invention is characterized in that the body part of the animal to be injected is fixed to a body fixing part rotatably provided on the body support of the base, The injection needle is fixed to the needle injection guide portion while the tail portion of the animal to be injected is fixedly arranged and the position is adjusted so as to be accurately injected into the tail portion of the animal to be injected. It is possible to precisely and easily inject the tail vein in the tail portion of the subject animal.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an intravenous injection and blood collection aid of a laboratory rat according to an embodiment of the present invention; FIG.
2 is a side view of the body fixing part shown in Fig.
3 is a front view of Fig.
4 is a side view of the tail fixing portion shown in Fig.
5 is a front view of Fig.
6 is a side view of the needle injection guide portion shown in Fig.
7 is a front view of Fig. 6. Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an intravenous injection and blood collection aid of a laboratory rat according to an embodiment of the present invention; FIG. Referring to FIG. 1, the apparatus for intravenous injection and blood collection of a laboratory mouse includes a base 100, a body fixing unit 200, a tail fixing unit 300, and a needle injection guide unit 400.

The base 100 is a plate-like member for supporting the body fixing part 200, the tail fixing part 300, and the needle injection guide part 400 to be described later. That is, the base 100 supports the body fixing part 200, the tail fixing part 300, and the needle injection guide part 400 so as to be stably placed on the floor of the installation place. A body support 110, which extends vertically upwards, is coupled to one side of the upper surface of the base 100. The body supporting part 110 is connected to the body fixing part 200 to be described later.

In addition, a tail front / rear movement guide rail 120 is coupled to one side of the upper surface of the base 100, more specifically, to the front of the body support base 110 so as to extend in the front / rear direction. The tail movement guide rail 120 guides the tail fixing unit 300, which will be described later, in such a manner that it can be moved back and forth in a state where the tail fixing unit 300 is disposed behind the body fixing unit 200 to be described later.

In addition, the needle forward and rearward movement guide rails 130 are engaged with the other side of the upper surface of the base 100, more specifically, in a state of being arranged in parallel with the tail forward and backward movement guide rails 120. The needle forward and backward movement guide rail 130 guides the needle injection guide unit 400, which will be described later, in a forward and backward direction while being disposed on the base 100.

Here, the body connecting plate 210 is rotatably connected to one side of the body support 110, more specifically, at one side of the body facing the body connecting plate 210 of the body fixing unit 200 to be described later The rotation connecting groove 111 is formed so as to be recessed. In addition, at one side of the body support 110, a rotation fixing groove 112 communicating with the rotation connection groove 111 is formed. The body rotation control unit 250 of the body fixing unit 200, which will be described later, is screwed to the rotation fixing groove 112.

The body fixing part 200 fixes the body of the animal to be scanned in a state in which a mouse as an injection target animal (not shown) to be injected and collected is placed on the upper part. The body fixing part 200 is rotatably connected to one side of the body supporting part 110 while being spaced apart from the upper side of the base 100 in parallel. Accordingly, the body fixing part 200 can change the lying position of the body part of the subject animal while rotating the body support shaft 110 about the body support part 110 in a state in which the subject animal is placed on the upper part. The body fixing part 200 includes a body connecting plate 210, a first pressing and fixing part 220, a second pressing and fixing part 230, a body pressing and adjusting part 240 and a body rotation and control part 250 do.

Referring to FIGS. 2 and 3, the body connecting plate 210 is a plate member for connecting the first pressing and fixing unit 220 and the second pressing and fixing unit 230 to the upper end of the body support 110. The body connecting plate 210 is arranged to be opposed to the upper end of the body support 110 and one side of the body connecting plate 210 is rotatable on one side of the opposing face of the body support 110. [ . At this time, a connecting shaft portion 211 is formed at one side of the body connecting plate 210 so as to be rotatably inserted into the connecting groove 111 of the body support 110.

The side surface of the body connecting plate 210 is provided with a gripping portion for gripping the position of the animal to be squeezed, which is pressed and fixed by the first pressing and fixing bar 220 and the second pressing and fixing bar 230, (212) may be protruded.

The first presser fixing bar 220 and the second presser bar 230 are coupled as a hinge 260 so that the lower ends of the first presser bar 220 and the second presser bar 230 are mutually rotatable, The body portion of the animal to be injected inserted between the first presser foot 220 and the second presser foot 230 is fixed in a pressurized state or the body portion of the subject animal is released from the pressurized state. The first and second pressing legs 220 and 230 are connected to the other side of the body connecting plate 210 while being rotatably connected to each other by the hinge 260. The first presser fixing bar 220 and the second presser bar 230 couple one end of the hinge 260 to the body connecting plate 210 so that the first presser bar 220 and the second presser bar 230 The second pressing unit 230 may be connected to the body connecting plate 210. However, the present invention is not limited thereto, and one side edge portion of the first pressing unit 220 may be connected to the body connecting plate 210 And may be fixedly coupled to the surface portion.

The first and second pressing legs 220 and 230 have a plurality of hooks 221 and 231 having a plurality of 'A' cross-sectional shapes separated from each other and connected to each other. The first pressing and fixing unit 220 and the second pressing and fixing unit 230 are rotated by the body pressure adjusting bar 240 such that the hinge 260 is disposed adjacent to each other, The body of the subject animal disposed between the first pressurizing member 220 and the second pressurizing member 230 can be pressed and fixed in a stable state while the hooks 221 and 233 are arranged to be staggered.

The body pressure regulating bar 240 is rotatably connected to the first pressure regulating bar 220 and the second pressure regulating bar 230 so that the first pressure regulating bar 220 and the second pressure regulating bar 230 Is rotated about the hinge (260). Here, the body pressure regulating member 240 is screwed to connect the first pressure fixing member 220 and the second pressure fixing member 230. The body pressure regulating barb 240 includes a first screw portion 241 connected to the first pressurizing bar 220 in a threaded state and connected to the inside of the second pressurizing bar 230 in a screwed state, The second screw portion 242 is provided. Since the first screw portion 231 and the second screw portion 242 have a helical structure formed in different directions, the first pressing portion 220 and the second pressing portion 220 are rotated according to the rotation of the body pressing portion 240, The second presser bar 230 is rotated to pivot or open the hinge 260. A knob 243 is provided at one end of the body pressure regulating barrel 240 in the longitudinal direction thereof to facilitate the rotation of the body pressure regulating barrel 240 by stable gripping by the user .

The body rotation adjuster 250 is a member for fixing the body connecting plate 210 in a state rotated on the body supporter 110. That is, the body rotation adjuster 250 fixes the connection shaft 211 so that the connection shaft 211 of the body connection plate 210 does not rotate on the rotation connection groove 111 of the body support 110 . The body rotation adjuster 250 is disposed at one side of the body support 110 so as to be connected to the rotation connection groove 111 of the body support 110 in a state of being vertically disposed on the connection shaft 211. [ And is screwed into the rotation fixing groove 112 formed. A knob 251 is provided at the other longitudinal edge of the body rotation adjuster 250 to stabilize gripping by a user to facilitate rotation of the body rotation adjuster 250 .

The tail fixing part 300 fixes the tail part of the animal to be injected, whose body is pressed and fixed to the body fixing part 200. The tail fixing part 300 is connected to the base 100 so as to be slidable in the front-rear direction and the left-right direction. More specifically, the tail fixing part 300 is slidably connected to the tail front and rear movement guide rails 120 of the base 100 so as to be slidable in the left and right directions. Accordingly, the tail fixing part 300 moves in the forward, backward, leftward and rightward directions so that the tail part of the animal to be scanned is placed at a suitable position for placing the animal in the state where the subject animal is pressed and fixed on the body fixing part 200 The position can be changed. The tail fixing unit 300 includes a tail front and back movement unit 310, a tail left and right movement guide unit 320, a tail left and right movement unit 330, a tail post unit 340, a tail support unit 350, And a pressure adjusting base 360.

Referring to FIGS. 4 and 5, the tail longitudinal moving table 310 is a plate portion slidably mounted on the tail moving guide rail 120 of the base 100. The tail front and rear moving base 310 supports the tail post 340 in the back and forth direction on the tail back and forth moving guide rails 120.

A first bolt fastening hole 310a is formed on one side of the upper surface of the tail front-back moving table 310 so as to penetrate in the vertical direction. The first fixing bolt 311 is screwed into the first bolt fastening hole 310a. That is, the first fixing bolt 311 is screwed to the first bolt fastening hole 310a so as to be screwed in a state of being vertically disposed on the upper surface of the tail longitudinal moving base 310. At this time, when the first fixing bolt 311 is inserted into the first bolt fastening hole 310a and rotated in one direction, the lower end of the first fixing bolt 311 is inserted into the tail front and rear moving guide rail 120 in the contact state. When the first fixing bolt 311 is to transmit a pressing force in contact with the tail forward / backward movement guide rail 120, the tail / backward movement base 310 is moved on the tail / backward movement guide rail 120 So that it can be fixed so that no further movement occurs at the position moved in the forward and backward directions. A knob 312 may be provided at an upper edge portion of the first fixing bolt 311 to facilitate the rotation of the first fixing bolt 311 by stabilizing the grip by the user .

The tail left and right movement guide rails 320 are coupled to the tail back and forth movement table 310 to guide the tail left and right movement tables 330 to slide in the left and right direction. That is, the tail left and right movement guide rails 320 are fixedly coupled to the upper surface of the tail longitudinal movement table 310 so as to be disposed perpendicularly to the tail longitudinal movement guide rail 120. The tail left and right movable belts 330 are slidably connected to upper portions of the tail left and right movement guide rails 320.

The tail left and right movable table 330 is a plate portion slidably mounted on the left and right tail guide rails 320. The tail left and right movable table 330 is connected to and supported by the tail column table 340 in the left and right directions on the left and right tail guide rails 320. That is, the tail column base 340 is coupled to the upper portion of the tail left and right movement base 330 in a connected state.

A second bolt fastening hole 330a is vertically formed on one side of the upper surface of the tail left and right movable table 330. The second fixing bolt 331 is screwed into the second bolt fastening hole 330a. That is, the second fixing bolt 331 is screwed to the second bolt fastening hole 330a so that the second fixing bolt 331 is vertically disposed on the upper surface of the tail left and right moving base 330 and is threadedly coupled. At this time, when the second fixing bolt 331 is inserted into the second bolt fastening hole 330a and rotated in one direction, the lower end of the second fixing bolt 331 is inserted into the tail left and right moving guide rails 320 in the contact state. When the second fixing bolt 331 is urged to transmit the pressing force in contact with the tail left and right movement guide rails 320, the tail left and right movement units 330 are moved on the tail left and right movement guide rails 320 So that it can be fixed so that no further movement occurs at the position shifted in the lateral direction. A knob 332 may be provided at an upper edge of the second fixing bolt 331 to facilitate the rotation of the second fixing bolt 331 by stabilizing the gripping by the user .

The tail post (340) is a portion that slidably connects and supports the tail seat (350) in a state where the tail post (340) is connected to the upper portion of the tail left and right movement stand (330). One end of the tail post 340 is fixed to the upper surface of the tail left and right movement table 330 while being vertically disposed on the upper surface of the tail left and right movement table 330, The other end of the tail post 340 is extended to protrude upward.

A fixing table 341 having a vertical cross-sectional shape is connected to the upper end of the tail post 340. The fixing table 341 is disposed to face the tail seat 350 at the upper portion of the tail column 340 so as to be positioned between the fixing table 341 and the tail seat 350, The tail portion of the animal to be scanned can be fixed in a pressurized state when the tail rest rest 350 is moved in the direction of the fixed rest 341. [

A through hole 342 is formed at one side of the fixing base 341 so as to allow the tail pressurizing adjuster 360 to be connected in a penetrating manner.

The tail seat 350 is connected to an upper end of the tail post 340 so as to be slid in the left and right direction while being disposed opposite to the fixed stand 341. [ The tail seat 350 has a vertical cross-sectional shape so that the tail portion of the subject animal can be seated and placed. At the lower end of the tail seating table 350, the adjustment tray engagement groove 351 is formed so as to extend in the horizontal direction so that one end of the tail pressure adjustment table 360 is inserted in a threaded state.

The tail presser adjuster 360 is connected to the tail seat 350 in a state where the tail presser adjuster 360 is rotatably mounted on one side of the tail column holder 340 and rotates about the tail seat 350, Is slid in the left or right direction from the top of the tail post (340). That is, the tail pressurizing adjuster 360 is a shaft member having a thread on the outer circumferential surface at one end in the longitudinal direction, and is rotatably inserted into the adjustment shaft hole 342 of the tail column support 340, And is screwed into the adjustment screw engagement groove 351 of the tail seat 350. Therefore, the tail presser adjuster 360 is rotated clockwise or counterclockwise by the user to move the tail seat 350 in the right direction, And the tail seat 350 is moved in the left direction so as to be spaced apart from the fixed base 341 of the tail post 340 in a direction opposite to the fixed base 341 So that the tail portion of the subject animal can be released from the pressurized state. A knob 361 is provided at the other longitudinal edge of the tail pressurizing adjuster 360 to facilitate the rotation of the tail presser adjuster 360 by the user's gripping .

The needle injection guide unit 400 is fixed to the tail fixing unit 300 with the trunk and the tail of the animal being fixed by the body fixing unit 200 and the tail fixing unit 300 Thereby guiding the movement of the injection needle 10 so that the injection needle 10 can be accurately inserted into the tail portion of the animal to be injected. That is, the needle injection guide unit 500 is configured to allow the user to slide the injection needle in the forward, backward, left and right directions in a clamped state so as to accurately inject the injection needle into the blood vessel of the animal to be injected, And rotatably supported. The needle injection guide portion 400 is connected to the upper portion of the base 100 so as to be slidable in the forward, backward, left and right directions, and rotatably clamps the injection needle 10. Here, the needle injection guide unit 400 includes a needle forward / backward movement base 410, a needle lateral movement guide rail 420, a needle left / right movement base 430, a needle post 440, a rotation link 450, A position shifting guide base 460, and a needle clamp 470.

6 and 7, the needle forward / backward movement table 410 is a plate portion slidably mounted on the needle forward / backward movement guide rail 130 of the base 100. [ The needle back and forth moving table 410 supports the needle post 440 in a forward and backward direction on the needle back and forth moving guide rail 130.

A third bolt fastening hole 410a is formed in the upper surface of the needle forward / backward movement table 410 so as to penetrate in the vertical direction. The third fixing bolt 411 is screwed into the third bolt fixing hole 410a. That is, the third fixing bolt 411 is screwed to the third bolt fastening hole 410a so as to be screwed in a state of being vertically arranged on the upper surface of the needle forward / backward movement table 410. At this time, when the third fixing bolt 411 is inserted into the third bolt fastening hole 410a and is rotated in one direction, the lower end of the third fixing bolt 411 is inserted into the needle forward and backward moving guide rail 130 in the contact state. When the third fixing bolt 411 is to transmit a pressing force in contact with the needle forward and backward movement guide rail 130, the needle forward and backward movement table 410 is moved on the needle forward and backward movement guide rail 130 So that it can be fixed so that no further movement occurs at the position moved in the forward and backward directions. A knob 412 may be provided at an upper edge of the third fixing bolt 411 so as to facilitate the rotation of the third fixing bolt 411 by stabilizing the gripping by the user .

The needle moving guide rail 420 is a rail portion that is coupled to the needle forward / rearward movement table 410 and guides the needle left / right movement table 430 to slide in the left / right direction. That is, the needle moving guide rail 420 is fixedly coupled to the upper surface of the needle forward / backward movement table 410 so as to be disposed perpendicular to the needle forward / backward movement guide rail 130. The left and right needle moving belts 430 are slidably connected to upper portions of the needle moving guide rails 420.

The needle moving unit 430 is a plate unit slidably mounted on the needle moving guide rail 420. The needle moving unit 430 is connected to the needle bar 440 so as to move in the left and right direction on the needle moving guide rail 420. That is, the needle post 440 is coupled to the upper portion of the needle moving unit 430 in a connected state.

In addition, a fourth bolt fastening hole 430a is vertically formed on one side of the top surface of the needle left and right moving table 430. The fourth fixing bolt 431 is screwed into the fourth bolt fixing hole 430a. That is, the fourth fixing bolt 431 is screwed to the fourth bolt fastening hole 430a so as to be screwed in a state of being vertically arranged on the upper surface of the left and right needle bed 430. At this time, when the fourth fixing bolt 431 is inserted into the fourth bolt fastening hole 430a and rotated in one direction, the lower end of the fourth fixing bolt 431 is moved to the left and right moving guide rail 420 in the contact state. When the fourth fixing bolt 431 is urged to transmit the pressing force in contact with the needle moving guide rail 420, the needle moving unit 430 is moved on the needle moving guide rail 420 So that it can be fixed so that no further movement occurs at the position shifted in the lateral direction. A knob 432 may be provided at an upper edge of the fourth fixing bolt 431 to facilitate the rotation of the fourth fixing bolt 431 by stable gripping by the user .

The needle post 440 is connected to an upper portion of the left and right needle bed 430 to rotatably connect and support the rotation link 450. The lower end of the needle bar 440 is connected to the upper surface of the needle left and right moving table 430 in a state in which the needle post 440 is vertically disposed on the upper surface of the left and right needle bed 430, do.

The needle pillar 440 is extended vertically to an upper end of the needle bar 440 so as to have a vertical cross-sectional shape as a whole.

At this time, the lower end of the needle post 440 may be rotatably connected to the upper portion of the needle moving unit 430 by a vertical rotation adjusting bolt 442. One end of the vertical rotation adjusting bolt 442 is rotatably connected to the upper end of the needle moving unit 430 and the lower end of the needle unit 440 is connected to the vertical rotation adjusting boat 442, As shown in Fig. Accordingly, the needle bar 440 is moved on the vertical rotation adjusting bolt 442 in accordance with the direction in which the vertical rotation adjusting bolt 442 rotates. That is, the needle post 440 moves on the vertical rotation adjusting bolt 442 along the axial rotation direction of the vertical rotation adjusting bolt 442, And the needle post 440 can be rotated on the needle moving unit 430 by adjusting the position of the needle post 440 when the needle post 440 is fixed to the needle moving unit 430 or the pressurizing and attaching state of the needle moving unit 430 is released. A knob 442a may be provided at an end of the vertical rotation adjusting bolt 442 to facilitate the rotation of the vertical rotation adjusting bolt 442 by stabilizing the gripping by the user.

In addition, the extension stand 441 can be rotatably connected to the upper end of the needle post 440 as a pin 444 rotatably. A connection groove 445 connected to the pin 444 is formed at one end of the extension base 441 and more specifically at one end of the extension base 441 connected to the upper end of the needle base 440 Lt; / RTI > The horizontal rotation adjusting bolt 443 is screwed into the connection groove 445 in a screwed state. That is, the horizontal rotation adjusting bolt 443 is inserted into the connection groove 445 to be connected to the pin 444 for rotatably connecting the upper end of the needle post 400 and the extension base 441 Respectively. When the pin 444 is pressed in a state where the end of the horizontal rotation adjusting bolt 443 is in close contact with the pin 444, the extension rod 441 is rotated at the upper end of the needle bar 440 So as to maintain the fixed state. In contrast, when the end of the horizontal rotation adjusting bolt 443 is separated from the pin 444 and the pressing state of the pin 444 is released, the extension bracket 441 is separated from the upper end of the needle pillar 440 Thereby maintaining a rotatable state. Here, the end of the horizontal rotation adjusting bolt 443 may be provided with a knob 443a for facilitating the rotation of the vertical rotation adjusting bolt 443 by stably holding by the user.

The rotation link 450 is rotatably connected to the other end of the extension rod 441 of the needle bar 440 by a pin 450a so that the needle position movement guide 460 and the needle clamp 470 can be connected to the needle 450, To be rotatably connected to the pillar stand (440). One side of the rotation link 450 is rotatably connected to the other end of the extension rod 441 of the needle pillar 440 by a pin 450a and the other side of the rotation link 450 is moved A needle position movement guide groove 451 for slidably connecting the guide 460 is formed.

The needle-movement-movement guide base 460 is a bar-shaped member slidably connected to the rotation link 450. The needle movement guide base 460 is slidably connected to the needle movement guide groove 451 formed on the other side of the rotation link 450. The needle position shifting guide 460 is slidably mounted on the rotary link 450 to adjust the vertical position of the injection needle 10 pressed and fixed to the needle clamp 470 do.

The needle clamp 470 is clamped by the pin 472 while being rotatably connected to one end of the needle guide 460 in the longitudinal direction. The needle clamp 470 includes a needle fixing finger 471 and a needle clamping adjustment bolt 474.

The needle fixing fingers 471 are spaced apart from each other and each one end in the longitudinal direction is rotatably coupled to one end in the longitudinal direction of the needle positioning guide 460 by the pin 472, Like member. Clamping fastening holes 471a are formed at positions opposite to each other in the longitudinal direction of the needle fixing finger 471. Here, the needle clamping adjusting bolt 474 is screwed into the clamping fastening hole 471a in a penetrating manner. Here, after the injection needle 10 is inserted between the other longitudinal ends of the pair of needle fixing fingers 471, by the movement of the needle fixing finger 471 by the needle clamping adjustment bolt 474 Thereby releasing the pressurized or pressurized state of the injection needle 10.

In addition, a bar needle adjuster 473 may be coupled to one side of the needle fixing finger 471. That is, the needle fixing finger 471 is connected to one side of the needle fixing finger 471 of one of the pair of the needle fixing fingers 471 so that the user can easily move the needle fixing finger 471 .

The needle clamping adjustment bolt 474 adjusts the injection needle 10, which is disposed between the other longitudinal ends of the pair of needle fixing fingers 471, to be pressed or unlocked or released from the pressure fixing state. That is, the needle clamping adjustment bolt 474 is screwed in a state of passing through the clamping fastening hole 471a of the needle fixing finger 471 disposed at one side. One end of the needle clamping adjusting bolt 474 is coupled to the clamping hole 471a of the needle fixing finger 471 disposed on the other side so as to be rotatable about an axis. Accordingly, as the needle clamping adjustment bolt 474 is rotated clockwise or counterclockwise, a pair of needle-fixing fingers 471 move adjacent to each other and fix the needle in a pressurized state, The pair of needle fixing fingers 471 move apart from each other, thereby releasing the needle from the pressurized state and releasing it. A knob 475 may be provided at the other end of the needle clamping adjusting bolt 474 to facilitate the rotation of the needle clamping adjusting bolt 474 by stabilizing the grip by the user.

Hereinafter, the method of injecting the tail portion through the intravenous injection and the blood collection assistant of the experimental rat of the embodiment configured as described above will be described.

First, the body portion of the animal to be injected is fixed in a state in which it is interposed between the first and second pressing and fixing members 220 and 230 of the body fixing unit 200. That is, the body pressure regulating bar 240 is rotated while the body portion of the subject animal is inserted between the first pressure fixing bar 220 and the second pressure fixing bar 230, The body of the animal to be scanned is fixed in a pressurized state while the fixed table 220 and the second pressing and fixing table 230 are rotated to pivot the hinge 260.

When the animal to be injected is pressed and fixed between the first pressure fixing table 220 and the second pressure fixing table 230 in such a manner as to facilitate the scanning of the tail vein of the subject animal The body of the animal to be injected is rotated. That is, after the body connecting plate 210 is rotated on the body support 110 of the base 100 to determine its position, the body rotating plate 250 is rotated to rotate the body connecting plate 210 So that it is not rotated any more and remains in a fixed state in a state connected to the body support 110.

Thereafter, the tail portion of the animal to be injected is placed in the tail fixing portion 300 and fixed. The tail front and rear movable base 310 is slid in the fore and aft direction on the tail front and rear movement guide rails 120 so that the tail portion of the subject animal can be stably placed on the tail seating table 350 And adjusts the position by sliding the tail left and right movable table 330 in the left and right directions on the tail left and right movement guide rails 320. Thereafter, the tail pressure adjuster 360 is rotated to move the tail rest rest 350 in the direction of the fixed rest 340 of the tail rest rest 340, so that the upper end of the tail rest rest 350, So that the tail portion of the animal to be scanned is fixed in a pressurized state between the upper ends of the fixed stand 340.

When the fixed arrangement of the body and the tail of the animal to be injected is completed, the injection of the tail vein of the subject animal is performed. That is, after the injection needle 10 is pressed and fixed to the needle clamp 470 of the needle injection guide unit 400, the injection needle 10 can be precisely injected into the tail vein of the subject animal The position is adjusted. Specifically, after the injection needle 10 is positioned between a pair of needle fixing fingers 471 of the needle clamp 470, the needle clamping adjustment bolt 474 is rotated, And the needle fixing fingers 471 are moved adjacent to each other to fix the injection needle 10 in a pressurized state. Thereafter, the needle forward / rearward movement table 410 is slid in the forward / backward direction on the tail forward / backward movement guide rail 130 to adjust the position, and the needle left / So as to adjust the position of the injection needle 10 so that the injection needle 10 is disposed linearly behind the tail portion of the subject animal.

The user holds the needle adjuster 473 and the needle clamp 470 is rotated from the back to the front by rotating the rotation link 450 connected to the needle bar 440, So that the injection needle 10 is injected into the tail portion of the animal to be injected.

As described above, the intravenous injection and blood collection assist device of the experimental rat according to one embodiment includes the body fixing part 200 rotatably mounted on the body support 110 of the base 100, And the tail fixing part 300 provided on the base 100 so as to be slidable in the forward and backward directions and the left and right direction is provided with the needle injection guide part 400 The injection needle 10 is fixed to the tail portion of the animal to be injected, and the position of the injection needle 10 is precisely adjusted to the tail portion of the animal to be injected, .

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

100: Base 110: Body support
120: tail forward / backward movement guide rail 130: needle forward / backward movement guide rail
200: body fixing part 210: body connecting plate
220: first pressure fixing bar 230: second pressure fixing bar
240: Body pressure regulator 250: Body rotation regulator
300: tail fixing part 310:
320: Tail left and right movement guide rail 330: Tail left and right movement base
340: tail pole stand 350: tail seat stand
360: Tail pressurization adjuster 400: Needle injection guide
410: Needle back and forth moving base 420: Needle left and right moving guide rail
430: Needle-to-left moving stand 440: Needle bar stand
450: rotating linkage 460: needle position shifting guide
470: Needle clamp

Claims (11)

A plate-shaped base having a body support vertically coupled to an upper surface thereof;
A body fixing unit rotatably connected to the body support in a state of being arranged on the upper side of the base and fixing the animal to be scanned in an upper position;
And a tail fastening part for fastening and pressing the tail part of the animal to be squeezed in a state in which the tail part of the animal to be slaughtered is placed and arranged on the upper part of the base in a state of being disposed behind the body fastening part, ; And
And an upper portion of the base is connected to the upper portion of the base so as to be slidable in the forward, backward, left and right directions, and the injection needle is vertically moved and rotatably clamped so that the injection needle is injected into the tail portion of the animal being fixed to the tail fixing portion An intravenous injection and blood collection aid of a laboratory rat comprising a guide needle guiding part. The method according to claim 1,
A rotation connecting groove is formed on one side of a surface portion of the body support which is opposed to the body fixing portion,
The body fixing portion includes:
A body connecting plate having a connection shaft portion inserted into the rotation connection groove so as to be rotatably connected to the body support;
A first pressing and fixing unit and a second pressing and fixing unit connected to the body connecting plate such that the lower ends of the first pressing and fixing units are rotatably connected to each other by hinges,
The first pressing portion is screwed to the first screw portion and the second pressing portion is screwed to the second screw portion, and the second pressing portion is screwed to the second screw portion, A body pressure regulating base for allowing the first pressure fixing frame and the second pressure fixing frame to rotate so that the hinge is pivoted or opened,
And a body rotation adjusting screw which is screwed to one side of the body support so that one end thereof is connected to the rotation connection groove and fixes the body connection plate while pressing the connection shaft, Instrument. The method of claim 2,
The first pressurizing fixed bar and the second pressurizing bar have a hook structure in which a plurality of hook portions having a vertical cross-sectional shape are mutually spaced and connected to each other,
The first pressurizing fixed frame and the second pressurizing fixed frame are arranged such that when the first pressurizing fixed frame and the second pressurizing fixed frame are rotated so as to be held in a mutually adjacent direction by rotation of the body pressurizing band, Instrument. The method according to claim 1,
And a tail front and rear movement guide rail is coupled to the upper surface of the base in a back and forth direction in a state of being arranged behind the tail fixing part,
The tail fixing portion
A tail front and rear movable base slidably installed on an upper portion of the tail longitudinal movement guide rail,
A tail left and right movement guide rail fixedly coupled to the tail front and rear movable base so as to be perpendicular to the tail front and rear movement guide rails,
A tail left and right movable base slidably installed on an upper portion of the tail left and right movement guide rails,
A tail column base fixedly coupled to the tail left and right movement bases and having a fixed base having a vertical cross-sectional shape at an upper end thereof,
A tail seat having a vertical cross-sectional shape connected to an upper end of the tail column so as to be slidable in a left-right direction while being disposed opposite to the fixed bed and having a tail portion of the animal to be laid on its upper portion;
A shaft member having a threaded portion formed on an outer circumferential surface at one end in the longitudinal direction and having one end in the longitudinal direction connected to one side of the tail column so as to be axially rotatable in a horizontal state and screwed to the tail seat, And a tail pressure adjuster for pressing or releasing the tail of the animal to be sited arranged on the tail seat with the seat being slidably moved leftward or rightward, . The method of claim 4,
Rearward movement guide rails are fixed on the tail front and rear movement guide rails while the lower ends thereof are pressed on the upper surface of the tail forward and backward movement guide rails so as to be fixed on the tail front and rear movement guide rails, A fixing bolt,
A pair of left and right movable guide rails which are vertically disposed on the tail left and right movable rails and which are threadedly connected to each other to have the lower left and right movable guide rails fixed on the tail left and right movable guide rails, An intravenous injection and a blood collection aid of a laboratory mouse further comprising a fixing bolt. The method according to claim 1,
A needle forward / backward movement guide rail is coupled to the upper surface of the base in a forward and backward direction,
Wherein the needle-
A needle forward / backward movement base slidably installed on an upper portion of the needle forward / backward movement guide rail,
A needle left and right movement guide rail fixedly coupled to the needle longitudinal movement unit so as to be perpendicular to the needle longitudinal movement guide rail,
A needle left and right movable base slidably installed on an upper portion of the needle moving guide rail,
A needle bar pillar having a vertical cross-sectional shape and having a lower end vertically connected to the left and right needle moving belts,
A rotation link having one side rotatably coupled to an end of the extension of the needle post and the other side having a needle movement guide groove,
A needle movement guide bar slidably connected to a needle movement guide groove of the rotary link,
And a needle clamp for clamping and fixing the injection needle in a state of being rotatably pinned on one end in the longitudinal direction of the needle position movement guide band. The method of claim 6,
Wherein the needle moving part and the needle pillar are mutually coupled through a vertical rotation adjusting bolt threadedly connected to a lower end of the needle pillar in a state where one end is rotatably mounted on the left and right needle moving belts,
The needle pillar stand is fixed in a pressurized contact state with the left and right needle moving belts in accordance with the rotation direction of the vertical rotation adjusting bolt or the needle pillar stand is released from the urging state of the needle pillar stand and the needle left and right mover, An intravenous injection and blood collection device for experimental rats that allows rotation on a moving bed to adjust its position. The method of claim 6,
Wherein the extension is rotatably connected to the upper end of the needle post by a pin,
And a horizontal rotation adjustment bolt installed at one side of the extension so as to be connected to the pin so as to fix the rotation position of the extension rod on the needle column while pressing the pin, Injection and blood collection devices. The method of claim 6,
The needle clamp
A pair of needle fixing fingers, one end of which is rotatably coupled to one end in the longitudinal direction of the needle position shifting guide band,
And a pair of needle holding fingers that are adjacent to each other and are rotatably connected to the needle fixing finger of the other side so that the pair of needle fixing fingers are moved adjacent to each other, And a needle clamping adjustment bolt which is disposed between the needle fixing fingers and releases the injection needle in a pressure-fixed state or a pressure-fixed state. The method of claim 9,
And a needle-shaped needle bar is further coupled to one side of the needle-fixing finger. The method of claim 6,
Wherein the needle forward and backward movement table is fixed on the needle forward and backward movement guide rail while being vertically disposed on the upper surface of the needle forward and backward movement table in a threaded state so that the lower end presses the upper surface of the needle forward and backward movement guide rail, A fixing bolt,
And the needle is pierced in a state of being vertically disposed on the upper surface of the needle moving unit so that the lower end presses the upper surface of the needle moving guide rail and fixes the needle moving unit on the needle moving guide rail, An intravenous injection and a blood collection aid of a laboratory mouse further comprising a fixing bolt.


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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102038991B1 (en) 2019-07-30 2019-10-31 박성걸 A Restrainer for breeding or injection the tail vein of small animals
KR20230165406A (en) 2022-05-27 2023-12-05 (주)씨앤에스알 Body holder and tail fixing device for tail caudal vein administration in laboratory mouse

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CN106725982B (en) * 2017-01-18 2018-10-26 兰州大学 A kind of mouse blood-taking device
CN107233141B (en) * 2017-07-24 2023-06-06 上海市第一人民医院 Auxiliary warm keeping and temperature controlling and light guiding system for intravenous injection of rat tail
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466383B1 (en) 2002-05-23 2005-01-13 씨제이 주식회사 Holder for rodents
KR100906562B1 (en) 2007-10-17 2009-07-07 전북대학교산학협력단 Assist device for blood-gathering of laboratory rodent
JP2013244095A (en) 2012-05-24 2013-12-09 Asti Corp Living-body puncture assisting device and living-body puncture device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3779779B2 (en) * 1996-09-17 2006-05-31 財団法人化学及血清療法研究所 Inoculation device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100466383B1 (en) 2002-05-23 2005-01-13 씨제이 주식회사 Holder for rodents
KR100906562B1 (en) 2007-10-17 2009-07-07 전북대학교산학협력단 Assist device for blood-gathering of laboratory rodent
JP2013244095A (en) 2012-05-24 2013-12-09 Asti Corp Living-body puncture assisting device and living-body puncture device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102038991B1 (en) 2019-07-30 2019-10-31 박성걸 A Restrainer for breeding or injection the tail vein of small animals
KR20230165406A (en) 2022-05-27 2023-12-05 (주)씨앤에스알 Body holder and tail fixing device for tail caudal vein administration in laboratory mouse

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