CN108261592B - Arm positioning unit for laboratory and transfusion double-department - Google Patents

Arm positioning unit for laboratory and transfusion double-department Download PDF

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Publication number
CN108261592B
CN108261592B CN201810057772.7A CN201810057772A CN108261592B CN 108261592 B CN108261592 B CN 108261592B CN 201810057772 A CN201810057772 A CN 201810057772A CN 108261592 B CN108261592 B CN 108261592B
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CN
China
Prior art keywords
forearm
upper arm
plate
cylinder
fixing module
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Expired - Fee Related
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CN201810057772.7A
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Chinese (zh)
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CN108261592A (en
Inventor
辛宇波
徐志华
李爽
倪菁菁
丁奇峰
李华奇
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Jilin University
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Jilin University
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Publication date
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Priority to CN201810057772.7A priority Critical patent/CN108261592B/en
Publication of CN108261592A publication Critical patent/CN108261592A/en
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Publication of CN108261592B publication Critical patent/CN108261592B/en
Expired - Fee Related legal-status Critical Current
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/52Arm-rests
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/12Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
    • A61B17/132Tourniquets
    • A61B17/135Tourniquets inflatable

Abstract

The invention relates to the technical field of medical auxiliary devices, in particular to an arm positioning unit for a laboratory and a transfusion double department, which comprises a seat body, a forearm fixing module, an upper arm fixing module, a pressurizing cylinder, an air pipe, a one-way air valve and a pressure release valve, wherein the seat body is provided with a front arm fixing module; the forearm fixing module is arranged on the upper part of the seat body in a sliding way; the forearm fixing module comprises a forearm fixing plate, a forearm supporting plate, a heating plate, a sliding plate, a gear, a forearm traction cylinder, a forearm traction rope, a forearm guide wheel and a grip component; the upper arm fixing module is rotatably arranged on one side of the forearm fixing module; the forearm fixing module and the upper arm fixing module are connected at two sides through a pressurizing cylinder respectively; the air pipe is connected with the forearm fixing module, the upper arm fixing module and the pressurizing air cylinder; a one-way air valve is arranged on an air pipe at one side of the pressurizing cylinder; one side of the one-way air valve is provided with a pressure release valve. The invention can automatically prick and press the pulse band, provides an adjusting mechanism to be suitable for different people and effectively improves the working efficiency of medical care personnel.

Description

Arm positioning unit for laboratory and transfusion double-department
Technical Field
The invention relates to the technical field of medical auxiliary devices, in particular to an arm positioning unit for a laboratory and a transfusion department.
Background
At present, when a doctor performs blood drawing or transfusion puncture on a patient, a pad is usually placed on a table top below the arm of the patient, the arm of the patient is tightly tied by a rubber tube to expose a blood vessel, then the needle is directly used for blood drawing or transfusion, the arm of the patient is tightly tied by the rubber tube, time and labor are wasted, the tying time is too long, subcutaneous blood stasis of the patient is easily caused, the pain of the patient is increased, particularly, when the histological blood drawing test is performed, the burden can be greatly caused by repeated pulse tying, the arm of the patient is easy to move, and the puncture of medical care personnel is influenced.
Some auxiliary devices that draw blood have also appeared among the prior art, chinese patent like application No. 201710182007.3 discloses an auxiliary device that draws blood for the blood internal medicine, including the bed plate, the leading flank of bed plate is equipped with control switch, and the upper surface left side of bed plate is fixed with the fixing base, and the bed plate upper surface fixed on fixing base right side has articulated seat, and the upper end of articulated seat articulates there is the articulated slab. The proposal can fix the arm of the patient and automatically prick the tourniquet, but has the following disadvantages; firstly, the preparation work cannot be carried out in advance, and the efficiency is low; secondly, the palm of the child is not locked aiming at the unmatched child, so that the working efficiency of medical care personnel is affected; thirdly, the size of the tourniquet device cannot be effectively adjusted, and the tourniquet device cannot adapt to patients of different ages; fourthly, the distance between the handle and the pulse pressing device can not be adjusted, and the pulse pressing device can not be suitable for switching between adults and children.
Disclosure of Invention
In order to make up the defects of the prior art, the arm positioning unit for the laboratory and the infusion department can automatically prick and press the pulse band, and an adjusting mechanism is provided to be suitable for different people, so that the working efficiency of medical staff is effectively improved.
The invention relates to an arm positioning unit for a laboratory and a transfusion two-department, which comprises a base body, a forearm fixing module, an upper arm fixing module, a pressurizing cylinder, an air pipe, a one-way air valve and a pressure release valve, wherein the forearm fixing module is arranged on the base body; the forearm fixing module is slidably mounted at the upper part of the seat body and can be separated from the seat body; the upper arm fixing module is rotatably arranged on one side of the forearm fixing module; the two sides of the forearm fixing module and the two sides of the upper arm fixing module are respectively connected through a pressurizing air cylinder; the air pipe is connected with the forearm fixing module, the upper arm fixing module and the pressurizing air cylinder; a one-way air valve is arranged on an air pipe on one side of the pressurizing air cylinder; a pressure release valve is arranged on one side of the one-way air valve; the user arm stretches for the relative forearm of the fixed module of upper arm is fixed the module and is rotated, makes the pressurization cylinder to forearm fixed module and the fixed module input pressure gas of upper arm, thereby realizes the fixed of the fixed module of forearm and the fixed module of upper arm, and opens through the relief valve and realize loosening of the fixed module of forearm and the fixed module of upper arm.
The forearm fixing module comprises a forearm fixing plate, a forearm supporting plate, a heating plate, a sliding plate, a gear, a forearm traction cylinder, a forearm traction rope, a forearm guide wheel and a grip component; the forearm fixing plate is slidably arranged on the seat body; the forearm supporting plate is fixedly connected to the forearm fixing plate; the surface of the forearm supporting plate is provided with an arc-shaped groove which is used for fitting the forearm of a human body; a heating plate is arranged inside the front arm supporting plate; sliding grooves are formed in two sides of the front arm fixing module, and a sliding plate is mounted in each sliding groove; the upper end of the sliding plate is fixedly connected with a rack, and a gear is meshed on the rack; the gear is rotatably arranged on one side of the forearm supporting plate, and a knob is arranged at the end of the gear rotating shaft; the front arm traction cylinder is fixedly arranged on the sliding plate; the front arm traction cylinder is a spring cylinder; the end of the air rod of the forearm traction cylinder is fixedly connected with a forearm traction rope; the front arm guide wheel is rotatably arranged on the sliding plate; the forearm guide wheel is used for changing the traction direction of the forearm traction rope; the forearm traction rope is connected with the grip component in a matching way; the pressurizing cylinder inputs pressure gas to the forearm traction cylinder to enable the forearm traction rope to tension the grip assembly to fix the palm of a user, and after a medical worker finishes puncture, the pressure release valve is pressed to enable the forearm traction cylinder to automatically reset to enable the grip assembly to loosen; aiming at patients with arms of different lengths, the position of the handle component can be adjusted by rotating the gear.
The upper arm fixing module comprises an upper arm supporting plate, a pulse pressing assembly, an upper arm traction rope, an upper arm guide wheel, an upper arm traction cylinder and an upper arm fixing plate; two ends of the pulse pressing component are respectively and fixedly connected to two sides of the upper arm supporting plate; both ends of the pulse pressing component are connected with upper arm traction ropes in a matching way; the upper arm traction rope is connected with the upper arm traction cylinder through an upper arm guide wheel; the upper arm traction cylinder is a spring cylinder; the upper arm traction cylinder is fixedly arranged on the side edge of the upper arm fixing plate; the upper arm fixing plate is rotatably connected to one side of the forearm fixing plate; one end of the pressurizing cylinder is rotatably connected to one side of the upper arm fixing plate; the other end of the pressurizing cylinder is rotatably connected to one side of the forearm fixing plate; an upper arm supporting plate is arranged between the pulse pressing assembly and the upper arm fixing plate; the surface of the upper arm supporting plate is provided with an arc-shaped groove, and the arc-shaped groove is used for being attached to an upper arm of a human body. The pressurization cylinder pulls the cylinder input pressure gas to the upper arm for the taut pressure pulse subassembly of forearm haulage rope realizes the oppression of upper arm, and medical personnel accomplishes the puncture back, presses the relief valve and makes upper arm pull cylinder automatic re-setting, realizes loosening of pressure pulse subassembly.
Preferably, the grip assembly comprises a handle, a telescopic rod, a mounting block and a spring; two ends of the handle are respectively and fixedly connected with a telescopic rod; the telescopic rod is arranged on two sides of the front arm supporting plate through the mounting blocks; the periphery of the telescopic rod is sleeved with a spring; the lower end of the telescopic rod is fixedly connected with a forearm traction rope; the forearm traction rope is connected with the forearm traction cylinder, and the forearm traction rope is tensioned, so that the telescopic rod is contracted, the handle is tightened, and the palm is fixed.
Preferably, the vein pressing component comprises a fixing ring, an elastic hook and a vein pressing belt; the inner ring of the fixing ring is provided with a group of elastic hooks; the elastic hook is hooked with a vein pressing belt; the tourniquet is connected with the upper arm traction cylinder through the upper arm traction rope, the fixing ring plays a supporting role, the upper arm traction rope is used for tensioning the tourniquet, the automatic tourniquet function is achieved, and the working efficiency of medical staff is improved.
Preferably, the fixing ring is divided into a group of connecting blocks; threads with opposite rotation directions are arranged inside the two adjacent connecting blocks; the connecting blocks are connected through flexible screws, and the connecting blocks at two ends are fixedly connected to connecting plates arranged on the side edges of the upper arm supporting plate; the outer rings of the connecting blocks are provided with guide blocks; the guide blocks are connected through flexible guide columns; two ends of the flexible guide post are connected to the connecting plates on two sides of the upper arm supporting plate in a sliding manner, and a limiting block is arranged at the end head of the flexible guide post; one end of the flexible screw is rotatably connected with the connecting plate at one side of the upper arm supporting plate, and the other end of the flexible screw is rotatably connected with the connecting plate at the other side of the upper arm supporting plate; the flexible screw is rotated to increase or decrease the distance between the adjacent connecting blocks, and the distance between the connecting blocks is changed by rotating the flexible screw so as to adapt to upper arms with different thicknesses.
Preferably, the bottom of the forearm fixing plate is provided with a V-shaped insertion block; the pedestal cooperation forearm fixed plate is equipped with V type slot, and the pedestal is installed on the workstation, through setting up the big little V type inserted block of one end, is convenient for install fast.
The invention has the following beneficial effects:
1. according to the arm positioning unit for the laboratory and the transfusion bi-department, the upper arm fixing module rotates relative to the forearm fixing module, the pressurizing cylinder is used for inputting pressure gas to the forearm fixing module and the upper arm fixing module, and the palm of a patient is fixed through the grip component; the pulse pressing component realizes pulse pressing on the arm of the patient, realizes palm fixation and pulse pressing on the arm by utilizing the bending and stretching of the arm, reduces the labor intensity and improves the working efficiency of medical care personnel.
2. According to the arm positioning unit for the laboratory and the infusion department, the movement of the handle component is realized by arranging the sliding plate and the gear, so that the applicability is improved for patients with different arm lengths.
3. According to the arm positioning unit for the laboratory and the transfusion double department, the pulse pressing component is tensioned through the pressurizing air cylinder, so that the upper arm is pressed, and the arm positioning unit is simple in structure and convenient to operate.
4. According to the arm positioning unit for the laboratory and the infusion department, the size of the fixing ring is adjusted by matching the flexible screw with the connecting blocks, so that the arm positioning unit is suitable for patients with upper arms of different thicknesses, and the adaptability of the device is improved.
5. According to the arm positioning unit for the laboratory and the transfusion dual-department, the V-shaped insertion block is arranged at the bottom of the front arm fixing plate, the V-shaped insertion groove is formed in the seat body matched with the front arm fixing plate, the V-shaped insertion block with one large end and one small end is arranged, the device can be switched back and forth conveniently, the interoperability is improved, the alternate use is facilitated, and the waiting time is shortened.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
FIG. 5 is a block diagram of the tourniquet assembly of the present invention;
in the figure: the device comprises a seat body 1, a forearm fixing module 2, a forearm fixing plate 21, a forearm supporting plate 22, a heating plate 23, a sliding plate 24, a gear 25, a knob 251, a forearm traction cylinder 26, a forearm traction rope 27, a forearm guide wheel 28, a grip component 29, a handle 291, a telescopic rod 292, a mounting block 293, a spring 294, an upper arm fixing module 3, an upper arm supporting plate 31, a pulse pressing component 32, a fixing ring 321, an elastic hook 322, a pulse pressing belt 323, a connecting block 324, a flexible screw 325, a connecting plate 326, a guide block 327, a flexible guide post 328, an upper arm traction rope 33, an upper arm guide wheel 34, an upper arm traction cylinder 35, an upper arm fixing plate 36, a pressurizing cylinder 4, an air pipe 5, a one.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the arm positioning unit for a laboratory and a transfusion department according to the present invention comprises a base 1, a forearm fixing module 2, an upper arm fixing module 3, a pressurizing cylinder 4, an air pipe 5, a one-way air valve 6 and a pressure release valve 7; the forearm fixing module 2 is slidably mounted at the upper part of the seat body 1 and can be separated from the seat body 1; the upper arm fixing module 3 is rotatably arranged on one side of the forearm fixing module 2; the two sides of the forearm fixing module 2 and the upper arm fixing module 3 are respectively connected through a pressurizing cylinder 4; the air pipe 5 is connected with the forearm fixing module 2, the upper arm fixing module 3 and the pressurizing air cylinder 4; a one-way air valve 6 is arranged on an air pipe 5 at one side of the pressurizing air cylinder 4; a pressure release valve 7 is arranged on one side of the one-way air valve 6; the user's arm stretches for the relative forearm of the fixed module 3 of upper arm fixes the module 2 and rotates, makes the pressurized cylinder 4 to the fixed module 2 of forearm and the fixed module 3 input pressure gas of upper arm, thereby realizes the fixed module 2 of forearm and the fixed module 3 of upper arm fixed, and realizes loosening of the fixed module 2 of forearm and the fixed module 3 of upper arm through opening of relief valve 7.
The forearm fixing module 2 comprises a forearm fixing plate 21, a forearm supporting plate 22, a heating plate 23, a sliding plate 24, a gear 25, a forearm traction cylinder 26, a forearm traction rope 27, a forearm guide wheel 28 and a grip component 29; the forearm fixing plate 21 is slidably mounted on the seat body 1; the forearm supporting plate 22 is fixedly connected to the forearm fixing plate 21; the surface of the forearm supporting plate 22 is provided with an arc-shaped groove which is used for fitting the forearm of a human body; a heating plate 23 is arranged inside the front arm supporting plate 22; sliding grooves are formed in two sides of the front arm fixing module 2, and a sliding plate 24 is arranged in each sliding groove; the upper end of the sliding plate 24 is fixedly connected with a rack, and a gear 25 is meshed on the rack; the gear 25 is rotatably arranged on one side of the forearm supporting plate 22, and a rotary shaft end head of the gear 25 is provided with a knob 251; the forearm traction cylinder 26 is fixedly mounted on the slide plate 24; the forearm traction cylinder 26 is a spring cylinder; the end of the air rod of the forearm traction cylinder 26 is fixedly connected with a forearm traction rope 27; the forearm guide wheel 28 is rotatably mounted on the sliding plate 24; the forearm guide wheel 28 is used for changing the traction direction of the forearm traction rope 27; the forearm traction rope 27 is connected with a handle component 29 in a matching way; the pressurizing cylinder 4 inputs pressure gas to the front arm traction cylinder 26, so that the front arm traction rope 27 tensions the grip component 29 to fix the palm of the user, and after the medical staff finishes puncturing, the pressure release valve 7 is pressed to enable the front arm traction cylinder 26 to automatically reset, so that the grip component 29 is loosened; for patients with arms of different lengths, the position adjustment of the handle assembly 29 can be achieved by rotating the gear 25.
The upper arm fixing module 3 comprises an upper arm supporting plate 31, a pulse pressing assembly 32, an upper arm traction rope 33, an upper arm guide wheel 34, an upper arm traction cylinder 35 and an upper arm fixing plate 36; two ends of the pulse pressing component 32 are respectively and fixedly connected to two sides of the upper arm supporting plate 31; both ends of the pulse pressing component 32 are connected with an upper arm traction rope 33 in a matching way; the upper arm traction rope 33 is connected with an upper arm traction cylinder 35 through an upper arm guide wheel 34; the upper arm traction cylinder 35 is a spring cylinder; the upper arm traction cylinder 35 is fixedly arranged on the side edge of the upper arm fixing plate 36; the upper arm fixing plate 36 is rotatably connected to one side of the forearm fixing plate 21; one end of the pressurizing cylinder 4 is rotatably connected to one side of the upper arm fixing plate 36; the other end of the pressurizing cylinder 4 is rotatably connected to one side of the forearm fixing plate 21; an upper arm supporting plate 31 is arranged between the pulse pressing assembly 32 and the upper arm fixing plate 36; the surface of the upper arm supporting plate 31 is provided with an arc-shaped groove which is used for being attached to the upper arm of a human body. The pressurizing cylinder 4 inputs pressure gas to the upper arm traction cylinder 35, so that the forearm traction rope 27 tensions the pulse pressing assembly 32 to realize the compression of the upper arm, and after the medical personnel complete the puncture, the pressure release valve 7 is pressed to ensure that the upper arm traction cylinder 35 automatically resets to realize the release of the pulse pressing assembly 32.
As an embodiment of the present invention, the grip assembly 29 comprises a handle 291, a telescopic rod 292, a mounting block 293 and a spring 294; two ends of the handle 291 are respectively fixedly connected with a telescopic rod 292; the telescopic rod 292 is installed on two sides of the forearm supporting plate 22 through an installation block 293; the spring 294 is sleeved on the outer periphery of the telescopic rod 292; the lower end of the telescopic rod 292 is fixedly connected with a forearm traction rope 27; the forearm traction rope 27 is connected with the forearm traction cylinder 26, and the forearm traction rope 27 is tensioned, so that the telescopic rod 292 is contracted, the handle 291 is tightened, and the palm fixing effect is achieved.
As an embodiment of the present invention, the tourniquet assembly 32 includes a fixing ring 321, an elastic hook 322 and a tourniquet 323; a group of elastic hooks 322 are arranged on the inner ring of the fixing ring 321; the elastic hook 322 is hooked with a vein pressing belt 323; the tourniquet belt 323 is connected with an upper arm traction cylinder 35 through an upper arm traction rope 33, the fixing ring 321 plays a supporting role, the upper arm traction rope 33 is used for tensioning the tourniquet belt 323, the automatic tourniquet function is realized, and the working efficiency of medical staff is improved.
As an embodiment of the present invention, the fixing ring 321 is divided into a set of connecting blocks 324; threads with opposite rotation directions are arranged inside the two adjacent connecting blocks 324; the connecting blocks 324 are connected through flexible screws 325, and the connecting blocks 324 at two ends are fixedly connected to connecting plates 326 arranged on the side edges of the upper arm supporting plate 31; the outer ring of the connecting block 324 is provided with a guide block 327; the guide blocks 327 are connected by flexible guide posts 328; two ends of the flexible guide post 328 are slidably connected to the connecting plates 326 at two sides of the upper arm supporting plate 31, and the end head of the flexible guide post is provided with a limiting block; one end of the flexible screw 325 is rotatably connected with a connecting plate 326 at one side of the upper arm supporting plate 31, and the other end of the flexible screw 325 is rotatably connected with a connecting plate 326 at the other side of the upper arm supporting plate 31; the flexible screw 325 is rotated to increase or decrease the spacing between adjacent connecting blocks 324, and the spacing between the connecting blocks 324 is changed by rotating the flexible screw 325 to adapt to upper arms with different thicknesses.
As an embodiment of the present invention, a V-shaped insertion block is disposed at the bottom of the forearm fixing plate 21; pedestal 1 cooperation forearm fixed plate 21 is equipped with V type slot, and pedestal 1 installs on the workstation, through setting up the big little V type inserted block of one end, is convenient for install fast.
When the device works, a medical worker sets a plurality of seat bodies 1 on a workbench, a plurality of patients wear the device respectively, when a certain patient needs to draw blood or puncture and transfuse, the patient can swing the arm, namely, the upper arm fixing module 3 rotates relative to the forearm fixing module 2, and the pressurizing cylinder 4 inputs pressure gas to the forearm traction cylinder 26, so that the forearm traction rope 27 tensions the handle assembly 29, and the palm of the user is fixed; meanwhile, the pressurizing cylinder 4 inputs pressure gas to the upper arm traction cylinder 35, so that the forearm traction rope 27 tensions the pulse pressing assembly 32 to realize the compression of the upper arm, and after the medical personnel complete the puncture, the pressure release valve 7 is pressed to ensure that the forearm traction cylinder 26 and the upper arm traction cylinder 35 automatically reset to realize the release of the grip assembly 29 and the pulse pressing assembly 32, thereby effectively improving the efficiency; in addition, when used by adults and children, the arms are different in size and length; at this time, the position of the grip assembly 29 can be adjusted by rotating the gear 25 to adapt to different lengths; by rotating the flexible screw 325, the distance between the connecting blocks 324 is changed to adapt to upper arms with different thicknesses.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The utility model provides an arm positioning unit is used in two departments of laboratory test infusion which characterized in that: comprises a seat body (1), a forearm fixing module (2), an upper arm fixing module (3), a pressurizing cylinder (4), an air pipe (5), a one-way air valve (6) and a pressure release valve (7); the forearm fixing module (2) is slidably mounted at the upper part of the seat body (1) and can be separated from the seat body (1); the upper arm fixing module (3) is rotatably arranged on one side of the forearm fixing module (2); the forearm fixing module (2) and the upper arm fixing module (3) are connected at two sides through a pressurizing cylinder (4) respectively; the air pipe (5) is connected with the forearm fixing module (2), the upper arm fixing module (3) and the pressurizing cylinder (4); a one-way air valve (6) is arranged on an air pipe (5) at one side of the pressurizing air cylinder (4); a pressure release valve (7) is arranged on one side of the one-way air valve (6); wherein the content of the first and second substances,
the forearm fixing module (2) comprises a forearm fixing plate (21), a forearm supporting plate (22), a heating plate (23), a sliding plate (24), a gear (25), a forearm traction cylinder (26), a forearm traction rope (27), a forearm guide wheel (28) and a grip component (29); the forearm fixing plate (21) is slidably arranged on the seat body (1); the forearm supporting plate (22) is fixedly connected to the forearm fixing plate (21); the surface of the forearm supporting plate (22) is provided with an arc-shaped groove which is used for fitting the forearm of a human body; a heating plate (23) is arranged in the front arm supporting plate (22); sliding grooves are formed in two sides of the front arm fixing module (2), and a sliding plate (24) is installed in each sliding groove; the upper end of the sliding plate (24) is fixedly connected with a rack, and a gear (25) is meshed on the rack; the gear (25) is rotatably arranged on one side of the front arm supporting plate (22), and a rotary shaft end head of the gear (25) is provided with a knob (251); the forearm traction cylinder (26) is fixedly arranged on the sliding plate (24); the front arm traction cylinder (26) is a spring cylinder; the end of the air rod of the forearm traction cylinder (26) is fixedly connected with a forearm traction rope (27); the front arm guide wheel (28) is rotatably arranged on the sliding plate (24); the forearm guide wheel (28) is used for changing the traction direction of the forearm traction rope (27); the forearm traction rope (27) is connected with a grip component (29) in a matching way;
the upper arm fixing module (3) comprises an upper arm supporting plate (31), a pulse pressing assembly (32), an upper arm traction rope (33), an upper arm guide wheel (34), an upper arm traction cylinder (35) and an upper arm fixing plate (36); two ends of the pulse pressing component (32) are respectively and fixedly connected to two sides of the upper arm supporting plate (31); both ends of the pulse pressing component (32) are connected with an upper arm traction rope (33) in a matching way; the upper arm traction rope (33) is connected with an upper arm traction cylinder (35) through an upper arm guide wheel (34); the upper arm traction cylinder (35) is a spring cylinder; the upper arm traction cylinder (35) is fixedly arranged on the side edge of the upper arm fixing plate (36); the upper arm fixing plate (36) is rotatably connected to one side of the forearm fixing plate (21); one end of the pressurizing cylinder (4) is rotatably connected to one side of the upper arm fixing plate (36); the other end of the pressurizing cylinder (4) is rotatably connected to one side of a forearm fixing plate (21); an upper arm supporting plate (31) is arranged between the pulse pressing component (32) and the upper arm fixing plate (36); the surface of the upper arm supporting plate (31) is provided with an arc-shaped groove which is used for being attached to the upper arm of a human body;
the handle assembly (29) comprises a handle (291), a telescopic rod (292), a mounting block (293) and a spring (294); two ends of the handle (291) are respectively fixedly connected with a telescopic rod (292); the telescopic rod (292) is arranged on two sides of the front arm supporting plate (22) through a mounting block (293); the outer periphery of the telescopic rod (292) is sleeved with a spring (294); the lower end of the telescopic rod (292) is fixedly connected with a forearm traction rope (27); the forearm traction rope (27) is connected with a forearm traction cylinder (26).
2. The arm positioning unit for the laboratory transfusion dual-department according to claim 1, wherein: the tourniquet assembly (32) comprises a fixing ring (321), an elastic hook (322) and a tourniquet belt (323); a group of elastic hooks (322) are arranged on the inner ring of the fixing ring (321); the elastic hook (322) is hooked with a tourniquet belt (323); the pulse pressing belt (323) is connected with an upper arm traction cylinder (35) through an upper arm traction rope (33).
3. The arm positioning unit for the laboratory transfusion dual-department according to claim 2, wherein: the fixed ring (321) is divided into a group of connecting blocks (324); threads with opposite rotation directions are arranged inside the two adjacent connecting blocks (324); the connecting blocks (324) are connected through flexible screws (325), and the connecting blocks (324) at two ends are fixedly connected to connecting plates (326) arranged on the side edge of the upper arm supporting plate (31); guide blocks (327) are arranged on the outer rings of the connecting blocks (324); the guide blocks (327) are connected through flexible guide columns (328); two ends of the flexible guide post (328) are connected with the connecting plates (326) at two sides of the upper arm supporting plate (31) in a sliding manner, and the end head of the flexible guide post is provided with a limiting block; one end of the flexible screw (325) is rotatably connected with a connecting plate (326) at one side of the upper arm supporting plate (31), and the other end of the flexible screw (325) is rotatably connected with the connecting plate (326) at the other side of the upper arm supporting plate (31); the flexible screw (325) rotates to increase or decrease the spacing between adjacent connecting blocks (324).
4. The arm positioning unit for the laboratory transfusion dual-department according to claim 1, wherein: the bottom of the forearm fixing plate (21) is provided with a V-shaped insert block; the seat body (1) is provided with a V-shaped slot in cooperation with the forearm fixing plate (21).
CN201810057772.7A 2018-01-22 2018-01-22 Arm positioning unit for laboratory and transfusion double-department Expired - Fee Related CN108261592B (en)

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CN204840469U (en) * 2015-07-09 2015-12-09 王蓉 Novel auxiliary device is used in paediatrics infusion
CN204932492U (en) * 2015-09-17 2016-01-06 李洪娥 A kind of wrist fixed mount for infusion nursing
CN205626045U (en) * 2016-03-09 2016-10-12 浙江省中医院 Elbow joint puncture or blood sampling fixing device
CN205698769U (en) * 2016-04-26 2016-11-23 叶蕾 A kind of children medical palm

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5865714A (en) * 1997-07-03 1999-02-02 Marlowe; Dennis Arm exercise device
CN201602766U (en) * 2010-01-08 2010-10-13 林东亿 Multi-layer blood pressure pulse tape
CN104936561A (en) * 2012-12-18 2015-09-23 舒适板有限责任公司 Arm restraint for IV site stability
CN203815998U (en) * 2014-04-28 2014-09-10 袁静 Hand plate adjustable in length and used for child infusion
CN204106501U (en) * 2014-10-28 2015-01-21 高月明 Controllable type elbow joint orthosis
CN204840469U (en) * 2015-07-09 2015-12-09 王蓉 Novel auxiliary device is used in paediatrics infusion
CN204932492U (en) * 2015-09-17 2016-01-06 李洪娥 A kind of wrist fixed mount for infusion nursing
CN205626045U (en) * 2016-03-09 2016-10-12 浙江省中医院 Elbow joint puncture or blood sampling fixing device
CN205698769U (en) * 2016-04-26 2016-11-23 叶蕾 A kind of children medical palm

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