CN108968978B - Blood drawing auxiliary device for blood internal medicine and using method - Google Patents
Blood drawing auxiliary device for blood internal medicine and using method Download PDFInfo
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- CN108968978B CN108968978B CN201810696899.3A CN201810696899A CN108968978B CN 108968978 B CN108968978 B CN 108968978B CN 201810696899 A CN201810696899 A CN 201810696899A CN 108968978 B CN108968978 B CN 108968978B
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- wire rope
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150053—Details for enhanced collection of blood or interstitial fluid at the sample site, e.g. by applying compression, heat, vibration, ultrasound, suction or vacuum to tissue; for reduction of pain or discomfort; Skin piercing elements, e.g. blades, needles, lancets or canulas, with adjustable piercing speed
- A61B5/150061—Means for enhancing collection
- A61B5/150068—Means for enhancing collection by tissue compression, e.g. with specially designed surface of device contacting the skin area to be pierced
Abstract
The invention provides a blood drawing auxiliary device for a blood internal medicine and a use method, belonging to the technical field of blood drawing auxiliary devices, and comprising a supporting plate, wherein the surface of the supporting plate is provided with a fixed seat and a movable plate, and the joint of the movable plate and the fixed seat is hinged; the movable plate is provided with a pulse pressing belt on the surface along the width direction, through holes are respectively formed in the positions, corresponding to the two ends of the pulse pressing belt, on the movable plate, and regulators are arranged in the through holes; blood internal medicine is with auxiliary device that draws blood still includes first adjusting device, the second adjusting device who is used for adjusting the tourniquet elasticity, rotatable gear, with gear intermeshing's rack, drive movable plate, the holding rod that the rack removed, first adjusting device includes first wire rope and first fixed pulley, second adjusting device includes second wire rope and second fixed pulley. The portable medical window is small in size and convenient to carry, can be operated at a hospital window, can be used when medical workers go out, does not need an external power supply or a battery, and is wider in application.
Description
Technical Field
The invention belongs to the technical field of auxiliary blood drawing devices, and particularly relates to an auxiliary blood drawing device for a blood medicine and a using method of the auxiliary blood drawing device.
Background
In medical treatment, when a doctor performs blood sampling examination 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 blood is directly drawn by using a blood drawing needle tool, 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 for histological blood drawing examination, due to the fact that the number of people is large, the operation time is consumed invisibly by repeatedly tying the pulse belt, and the operation efficiency cannot be improved.
In order to solve the above problems, many blood drawing assistance devices for blood medicine have been proposed, and a prior art (CN107822692A) discloses a blood drawing assistance device for blood medicine, which is used in the following manner: the medical staff sits on the rear end face of the device, the patient sits on the front end face of the device, the arm penetrates through the bent part of the rubber tube, and the arm is placed on the supporting plate; the medical staff steps on the pedal, the pedal pulls the third rope, the third rope pulls the first wire roller, the second wire roller and the third wire roller to rotate around the rotating rod, meanwhile, the spiral spring contracts, the first wire roller and the second wire roller respectively curl the second rope and the first rope, the first rope and the second rope pull two ends of the rubber tube, so that the circular ring of the bent part of the rubber tube is smaller and smaller, namely the arm of the patient is tightened, and the medical staff can sterilize and take blood; after the blood sampling work is finished, the pedal is released, the elastic action of the elastic rope pulls the rubber tube to return to the original position under the elastic action of the flat spiral spring, the third rope is curled on the third wire roller, and meanwhile, the pedal returns to the original position. This prior art steps on control with the foot, and convenient to use can improve the efficiency of drawing blood, but the examination of drawing blood of present hospital going to, all be basically drawing blood the window operation, perhaps medical staff when going out to take a blood sample, the device then has the volume great, the not convenient for move scheduling problem.
Another prior art (CN106943170A) discloses a blood drawing auxiliary device for hematology department, and the usage principle of the prior art is as follows: when the patient stands by, the hinged plate is parallel to the base plate, the patient puts the arms through the loose tourniquet, puts the forearm on the fixed pad of the fixed seat, holds the handle with the hand, turns on the control switch to enable the electric telescopic rod to ascend, because the fixed length of the steel rope is unchanged, the piston plate is pulled to descend, the length of the tourniquet outside the regulator is shortened, the patient's arms are pricked and pressed, the electric telescopic rod contracts after blood is drawn, the regulator slowly discharges the tourniquet under the action of the compression spring, and the patient can take out the arms. This prior art structure is small and exquisite and conveniently carry, but its length that needs to use electric putter's flexible to adjust the pressure arteries and veins area when using, need use external power supply or battery promptly, so can restrict its use.
Disclosure of Invention
The invention provides a blood drawing auxiliary device for a blood internal medicine, and aims to provide a blood drawing auxiliary device which is small in size, convenient to carry and free of an external power supply or a battery, so as to solve the problems in the prior art.
The invention provides a blood drawing auxiliary device for a blood internal medicine, which comprises a supporting plate with a hollow structure, wherein a fixed seat for placing a small arm and a movable plate for placing a large arm are arranged on the surface of the supporting plate along the length direction, and the joint of the movable plate and the fixed seat is hinged; the fixed seat is fixed on the surface of the supporting plate, a pulse pressing belt is arranged on the surface of the movable plate along the width direction, through holes are respectively formed in the positions, corresponding to the two ends of the pulse pressing belt, of the movable plate, sleeves are fixedly connected into the through holes, a connecting plate which slides up and down along the sleeves is arranged in each sleeve, the two ends of the pulse pressing belt respectively penetrate through the top plate of each sleeve and are fixedly connected with the corresponding connecting plate, and a spring is fixedly connected to the bottom of each connecting plate; the auxiliary device for blood drawing for the department of hematology further comprises a first adjusting device and a second adjusting device which are used for adjusting the tightness degree of the tourniquet, a gear which is rotatably arranged in the supporting plate through a rotating rod, a rack which is meshed with the gear, a moving plate which drives the rack to move, and a holding rod, wherein the first adjusting device comprises a first steel wire rope and a first fixed pulley which is used for changing the direction of the first steel wire rope, one end of the first steel wire rope penetrates through a bottom plate of the sleeve which is at the same side with the first steel wire rope and is fixedly connected with the lower surface of the connecting plate, the other end of the first steel wire rope winds around the first fixed pulley and winds on the rotating rod, the second adjusting device comprises a second steel wire rope and a second fixed pulley which is used for changing the direction of the second steel wire rope, one end of the second steel wire rope penetrates through the bottom plate of the sleeve which is at, the first adjusting device and the second adjusting device are respectively positioned at two sides of the supporting plate; the movable plate is connected to the length direction of the supporting plate in a sliding mode, one end of the rack is fixed to the bottom of the movable plate, the other side of the rack is meshed with the gear through the teeth of the lower watch dog, the holding rod is fixed to the upper end of the fixing seat and arranged in the width direction of the fixing seat, and the holding rod is fixedly connected with the upper portion of the movable plate through the elastic pieces.
Preferably, the movable plate is of a rectangular frame structure and is formed by fixedly connecting a first cross rod, a second cross rod, a first vertical rod and a second vertical rod in pairs, a first sliding block and a second sliding block are symmetrically arranged on the lower surface of the second cross rod, a first sliding groove is formed in the position, corresponding to the first sliding block, of the surface of the supporting plate, a second sliding groove is formed in the position, corresponding to the second sliding block, of the surface of the supporting plate, the first sliding block is connected in the first sliding groove in a sliding mode, and the second sliding block is connected in the second sliding groove in a sliding mode; a plurality of the one end and the first horizontal pole rigid coupling of elastic component, the other end and holding rod rigid coupling, the one end and the second horizontal pole rigid coupling of rack, the other end pass through the tooth of lower surface and the gear engagement who is located the rack below, the first logical groove that is used for the rack to remove is offered on the surface of backup pad, the lower surface of fixing base is equipped with the indent that is used for the rack to pass through. When drawing blood, the patient passes and presses the arteries and veins area to put the forearm on the fixing base, the forearm is put on the fly leaf, the palm root supports the holding rod, the finger passes the movable plate, then tightly hold with strength, the movable plate then can slide along first spout and second spout, thereby drive the rack along first logical groove and indent removal, the rack removes, drive gear clockwise rotation, thereby drive the bull stick and rotate, then more and more wire rope winding is on the bull stick, and wire rope's the other end and connecting plate rigid coupling, then can stimulate the connecting plate and move down along hollow sleeve, thereby make and press the arteries and veins area to tighten up and tighten up the forearm.
More preferably, one end of the rack close to the gear extends into the inner recess, a third sliding block is fixedly connected to the upper surface of one side of the rack close to the gear, a third sliding groove is formed in the position, corresponding to the third sliding block, of the top of the inner recess, one side of the rack close to the gear is connected with the inner recess in a sliding mode through the third sliding block and the third sliding groove, when the rack moves, the rack can be limited, and the rack is prevented from being separated to cause the rack to be incapable of being meshed with the gear.
More preferably, the bull stick is including being located respectively first bull stick and the second bull stick of gear both sides, the one end that first bull stick and second bull stick are close to the gear all with gear surface rigid coupling, the equal rotatable connection of bottom in the backup pad is kept away from to first bull stick and second bull stick, twine first wire rope on the first bull stick, twine second wire rope on the second bull stick, the ring channel has all been opened in the place that is used for wire rope winding on first bull stick and the second bull stick, makes wire rope twine on the ring channel, fixed pulley and ring channel are on same horizontal straight line.
Preferably, the longitudinal section of fixing base is concave type, and the fixing base internal surface is the cambered surface, still be equipped with the cushion on the fixing base internal surface, improve the travelling comfort.
In order to achieve the technical object, the present invention further provides a method for using the blood drawing assisting device for blood medicine, comprising the following steps:
s1, after the device is placed, the patient passes through the tourniquet belt to place the forearm on the fixed seat, the forearm on the movable plate, the palm root supports the holding rod, and the fingers pass through the movable plate;
s2, bending the fingers of the patient, holding the first cross rod by the fingers, then forcibly grasping, compressing the elastic piece, sliding the moving plate along the first sliding groove and the second sliding groove, simultaneously driving the rack to move along the first through groove and the inner recess, moving the rack, driving the gear to rotate clockwise, simultaneously driving the first rotating rod and the second rotating rod to rotate, winding the first steel wire rope and the second steel wire rope on the rotating rods, pulling the connecting plate to move downwards along the sleeve, compressing the spring, and tightening the tourniquet to tighten the big arm;
s3, medical staff can disinfect and collect blood in the blood collection area at the moment;
s4, pressing alcohol cotton after blood sampling is finished, releasing a gripped hand of a patient, returning the movable plate to an initial position under the action of the elastic piece, simultaneously driving the rack to return, driving the gear to rotate anticlockwise through the movement of the rack, returning the first steel wire rope and the second steel wire rope wound on the rotating rod, returning the connecting plate under the action of resilience force of the spring, and loosening the pulse pressing belt;
s5, completing the blood sampling work, and drawing the arm away from the tourniquet by the patient.
The invention provides an auxiliary device for a blood internal medicine and a using method thereof, and compared with the prior art, the auxiliary device has the following beneficial effects: 1. the invention has small volume and convenient carrying, can be operated at a hospital window, and can also be used when medical personnel go out; 2. the invention can adjust the tightness of the tourniquet, and is driven by the first adjusting device, the second adjusting device, the rack, the gear, the fixed pulley and other mechanical structures, thereby being free from external power supply or battery and having wider application; 3. when the blood vessel puncture needle is used, fingers need to be clenched, and the blood vessel trend can be found more easily by fastening the puncture tape.
Drawings
FIG. 1 is a front cross-sectional view of a blood drawing auxiliary device for hematology department in an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
fig. 4 is a partially enlarged view of fig. 1 at B.
Detailed Description
An embodiment of the present invention will be described in detail with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment, in which the "lower arm" refers to a portion between the elbow joint and the wrist joint and the "upper arm" refers to a portion between the elbow joint and the shoulder joint.
As shown in fig. 1-4, an auxiliary device for blood drawing for department of hematology, including hollow structure's backup pad 1 the backup pad 1 surface is equipped with the fixing base 2 that is used for placing the forearm and is used for placing the fly leaf 3 of big arm along length direction, fixing base 2 is established in the left side of fly leaf 3, and the right-hand member of fixing base 2 is articulated with the left end of fly leaf 3.
The lower surface of fixing base 2 is fixed at the upper surface of backup pad 1, the longitudinal section of fixing base 2 is concave type, and 2 internal surfaces of fixing base are the cambered surface, still be equipped with cushion 201 on 2 internal surfaces of fixing base, improve the travelling comfort.
The pulse pressing belt 4 is arranged on the surface of the movable plate 3 along the width direction, a first through hole and a second through hole are respectively formed in the movable plate 3 corresponding to two ends of the pulse pressing belt 4, a first sleeve 5 is fixedly connected in the first through hole, a first connecting plate sliding up and down along the first sleeve 5 is arranged in the first sleeve 5, the first connecting plate has a size matched with the first sleeve 5, a first spring is fixedly connected to the lower surface of the first connecting plate, the lower end of the first spring is fixedly connected with the bottom plate of the first sleeve 5, a second sleeve 6 is arranged in the second through hole, a second connecting plate 601 sliding up and down along the second sleeve 6 is arranged in the second sleeve 6, the second connecting plate 601 has a size matched with the second sleeve 6, a second spring is fixedly connected to the lower surface of the second connecting plate 601, and the lower end of the second spring is fixedly connected with the bottom plate of the second sleeve 6, one end of the tourniquet 4 passes through the top plate of the first sleeve 5 and is fixedly connected with the first connecting plate, and the other end of the tourniquet 4 passes through the top plate of the second sleeve 6 and is connected with the second connecting plate 601.
The auxiliary blood drawing device for the hematology department further comprises a first adjusting device, a second adjusting device, a gear 703, a rack 704, a moving plate and a holding rod 705, wherein the first adjusting device is used for adjusting the tightness degree of the tourniquet belt 4, the first adjusting device comprises a first steel wire rope and a first fixed pulley, the second adjusting device comprises a second steel wire rope 701 and a second fixed pulley 702, the first fixed pulley and the second fixed pulley 702 are symmetrically arranged in the front and at the back of the supporting plate 1, the position of the first fixed pulley corresponds to the position of the first sleeve 5, the position of the second fixed pulley 702 corresponds to the position of the second sleeve 6, a first through groove is formed in the surface of the supporting plate 1 corresponding to the position of the first fixed pulley, and a second through groove 101 is formed in the position corresponding to the position of the second fixed pulley 702; a first rotating rod 706 is fixed on the left surface of the gear 703, a second rotating rod 707 is fixed on the right surface, the left end of the first rotating rod 706 is rotatably connected to the left inner wall of the supporting plate 1, the right end of the second rotating rod 707 is rotatably connected to the right inner wall of the supporting plate 1, the first rotating rod 706 is provided with a first annular groove, the second rotating rod 707 is provided with a second annular groove, one end of the first steel wire rope penetrates through the bottom plate of the first sleeve 5 and is fixedly connected with the lower surface of the first connecting plate, the other end of the first steel wire rope winds on the first annular groove by winding around the first fixed pulley, one end of the second steel wire rope 701 passes through the bottom plate of the second sleeve 6 and is fixedly connected with the lower surface of the second connecting plate 601, the other end of the second steel wire rope winds on the second annular groove by winding around the second fixed pulley 702, the first fixed pulley and the first annular groove are on a horizontal straight line, and the second fixed pulley 702 and the second annular groove are on a horizontal straight line; the movable plate is connected to the length direction of the support plate 1 in a sliding mode, the movable plate is of a rectangular frame structure and is formed by fixedly connecting a first cross rod 801, a second cross rod 802, a first vertical rod 803 and a second vertical rod 804 in a pairwise mode, a first sliding block and a second sliding block are symmetrically arranged on the lower surface of the second cross rod 802, a first sliding groove 102 is formed in the position, corresponding to the first sliding block, of the surface of the support plate 1, a second sliding groove 103 is formed in the position, corresponding to the second sliding block, of the surface of the support plate 1, the first sliding block is connected in the first sliding groove 102 in a sliding mode, and the second sliding block is connected in; the holding rod 705 is fixed at the upper end of the fixed seat 2 and is arranged close to the left end face of the fixed seat 2, and the holding rod 705 is arranged along the width direction of the fixed seat 2; two third springs 805 are connected between the holding rod 705 and the first cross rod 801, one end of each third spring 805 is fixedly connected with the first cross rod 801, and the other end of each third spring 805 is fixedly connected with the holding rod 705; one end of the rack 704 is fixedly connected with the second cross bar 802, the other side is meshed with the gear 703 positioned below the rack 704 through the teeth on the lower surface, the surface of the supporting plate 1 is provided with a third through groove 104 for the movement of the rack 704, the upper end of the gear 703 extends into the third through groove 104, the lower surface of the fixed seat 2 is provided with a concave 202 for the rack 704 to pass through, the length of the concave 202 is matched with the length of the rack 704, one end of the rack 704 close to the gear 703 extends into the recess 202, a third sliding block is fixedly connected to the upper surface of the rack 704 close to the gear 703, a third sliding groove is formed at the position corresponding to the third sliding block on the top of the recess 202, one side of the rack 704 close to the gear 703 is connected with the concave 202 in a sliding way through a third sliding block and a third sliding chute, when the rack 704 moves, it can be limited to prevent it from disengaging and becoming unable to engage with the gear 703.
The use method of the blood drawing auxiliary device for the blood medicine in the embodiment comprises the following steps:
s1, after the device is placed, the patient passes through the tourniquet belt 4 to place the forearm on the fixed seat 2, the big arm is placed on the movable plate 3, the palm root supports against the holding rod 705, and the fingers pass through the movable plate;
s2, the fingers of the patient bend, the fingers hold the first cross bar 801, then the fingers are tightly held with force, the third spring 805 is compressed, the moving plate slides along the first sliding groove 102 and the second sliding groove 103, meanwhile, the rack 704 is driven to move along the third through groove 104 and the inner recess 202, the rack 704 moves, the gear 703 is driven to rotate clockwise, meanwhile, the first rotating rod 706 and the second rotating rod 707 are driven to rotate, the first steel wire rope continues to wind along the first annular groove, the second steel wire rope 701 continues to wind along the second annular groove, the first steel wire rope pulls the first connecting plate to move downwards along the first sleeve 5, the first spring is compressed, the second steel wire rope 701 pulls the second connecting plate 601 to move downwards along the second sleeve 6, and the second spring is compressed, so that the tourniquet 4 is tightened to tighten the big arm;
s3, medical staff can disinfect and collect blood in the blood collection area at the moment;
s4, after blood sampling is finished, alcohol cotton is pressed, a patient loosens a gripped hand, the moving plate returns to an initial position under the action of a point spring 805, meanwhile, the rack 704 is driven to move leftwards, the rack 704 moves to drive the gear 703 to rotate anticlockwise, the first steel wire rope wound on the first annular groove returns, the second steel wire rope 701 wound on the second annular groove returns, the first connecting plate moves to the top end of the first sleeve 5 under the action of the resilience force of the first spring, the second connecting plate 601 moves to the top end of the second sleeve 6 under the action of the resilience force of the second spring, and at the moment, the pulse pressing belt 4 becomes loose;
s5, the blood sampling work is finished, and the patient pulls the arm away from the tourniquet 4.
The above disclosure is only one specific embodiment of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (5)
1. The auxiliary device for blood drawing for the blood medicine department is characterized by comprising a supporting plate (1) with a hollow structure, wherein a fixed seat (2) for placing a small arm and a movable plate (3) for placing a large arm are arranged on the surface of the supporting plate (1) along the length direction, and the joint of the movable plate (3) and the fixed seat (2) is hinged;
the fixed seat (2) is fixed on the surface of the supporting plate (1), the surface of the movable plate (3) is provided with a pulse pressing belt (4) along the width direction, through holes are respectively formed in the positions, corresponding to the two ends of the pulse pressing belt (4), of the movable plate (3), sleeves are fixedly connected in the through holes, connecting plates which slide up and down along the sleeves are arranged in the sleeves, the two ends of the pulse pressing belt (4) respectively penetrate through a top plate of the sleeves and are fixedly connected with the corresponding connecting plates, the bottom of each connecting plate is fixedly connected with a spring, and one end, far away from the connecting plates, of each spring is fixedly connected to a bottom plate of the sleeve;
the auxiliary device for blood drawing for the hematology department further comprises a first adjusting device and a second adjusting device, the first adjusting device is used for adjusting the tightness degree of the tourniquet belt (4), a gear (703) is rotatably arranged in the supporting plate (1) through a rotating rod, a rack (704) meshed with the gear (703), a moving plate driving the rack (704) to move and a holding rod (705), the first adjusting device comprises a first steel wire rope and a first fixed pulley used for changing the direction of the first steel wire rope, one end of the first steel wire rope penetrates through a bottom plate of a sleeve on the same side of the first steel wire rope and is fixedly connected with the lower surface of the connecting plate, and the other end of the first steel wire rope winds on the rotating rod through the first fixed; the second adjusting device comprises a second steel wire rope (701) and a second fixed pulley (702) used for changing the direction of the second steel wire rope (701), one end of the second steel wire rope (701) also penetrates through the bottom plate of the sleeve on the same side as the second steel wire rope (701) and is fixedly connected with the lower surface of the connecting plate, the other end of the second steel wire rope (701) winds around the second fixed pulley (702) and is wound on the rotating rod, and the first adjusting device and the second adjusting device are respectively positioned on two sides of the supporting plate (1); the movable plate is connected to the length direction of the support plate (1) in a sliding mode, one end of the rack (704) is fixed to the bottom of the movable plate, the other side of the rack is meshed with the gear (703) through teeth on the lower surface of the rack, the holding rod (705) is fixed to the upper end of the fixing seat (2) and arranged along the width direction of the fixing seat (2), and the holding rod (705) is fixedly connected with the upper portion of the movable plate through a plurality of elastic pieces.
2. The auxiliary device for blood drawing for the department of hematology according to claim 1, characterized in that the movable plate is a rectangular frame structure and is formed by fixedly connecting a first cross bar (801), a second cross bar (802), a first vertical bar (803) and a second vertical bar (804) in pairs, the lower surface of the second cross bar (802) is symmetrically provided with a first slide block and a second slide block, the surface of the support plate (1) is provided with a first slide groove (102) at a position corresponding to the first slide block, the surface of the support plate is provided with a second slide groove (103) at a position corresponding to the second slide block, the first slide block is connected in the first slide groove (102) in a sliding manner, and the second slide block is connected in the second slide groove (103) in a sliding manner; one end of each elastic piece is fixedly connected with the first cross rod (801), the other end of each elastic piece is fixedly connected with the holding rod (705), one end of the rack (704) is fixedly connected with the second cross rod (802), the other end of each elastic piece is meshed with the gear (703) located below the rack (704) through the lower surface teeth, the surface of the supporting plate (1) is provided with a third through groove (104) used for moving the rack (704), and the lower surface of the fixed seat (2) is provided with an inner recess (202) used for allowing the rack (704) to pass through.
3. The auxiliary device for blood drawing for department of hematology as claimed in claim 2, wherein one end of the rack (704) near the gear (703) extends into the indent (202), a third sliding block is fixedly connected to the upper surface of one side of the rack (704) near the gear (703), a third sliding groove is formed at the position corresponding to the third sliding block on the top of the indent (202), and the third sliding block is connected to the third sliding groove in a sliding fit manner.
4. The auxiliary device that draws blood for the hematology department of claim 2, characterized in that, the bull stick includes first bull stick (706) and second bull stick (707) that are located respectively gear (703) both sides, the one end that first bull stick (706) and second bull stick (707) are close to gear (703) all with gear (703) surface rigid coupling, the one end that first bull stick (706) and second bull stick (707) are kept away from gear (703) all can rotate and connect on the inner wall of backup pad (1), first wire rope is twined on first bull stick (706), second wire rope (701) is twined on second bull stick (707), and the place that is used for the wire rope to twine all opens annular groove on first bull stick (706) and second bull stick (707), the annular groove is on same horizontal straight line with the fixed pulley.
5. The auxiliary device that draws blood for hematology department according to claim 1, characterized in that, the longitudinal section of fixing base (2) is concave style of calligraphy, and fixing base (2) internal surface is the cambered surface, still be equipped with cushion (201) on fixing base (2) internal surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696899.3A CN108968978B (en) | 2018-06-29 | 2018-06-29 | Blood drawing auxiliary device for blood internal medicine and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810696899.3A CN108968978B (en) | 2018-06-29 | 2018-06-29 | Blood drawing auxiliary device for blood internal medicine and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108968978A CN108968978A (en) | 2018-12-11 |
| CN108968978B true CN108968978B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810696899.3A Expired - Fee Related CN108968978B (en) | 2018-06-29 | 2018-06-29 | Blood drawing auxiliary device for blood internal medicine and using method |
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| CN110680411B (en) * | 2019-10-09 | 2020-10-02 | 山东大学 | Cervical puncture biopsy forceps and using method thereof |
| CN112915322B (en) * | 2021-01-19 | 2023-04-18 | 路艳青 | Hand back puncture pulse pressing device for outpatient service and use method thereof |
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| CN202982127U (en) * | 2012-12-31 | 2013-06-12 | 河北鑫乐科技有限公司 | Novel tourniquet |
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| CN107456256A (en) * | 2017-07-10 | 2017-12-12 | 天津海迈医用科技有限公司 | Pulling device for arm-rest belt equipment |
| CN107582126A (en) * | 2017-08-07 | 2018-01-16 | 无锡市第五人民医院 | A kind of full-automatic arm-rest belt feeding mechanism |
| CN107822692A (en) * | 2017-12-13 | 2018-03-23 | 王周滢 | A kind of blood internal medicine blood drawing servicing unit and application method |
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| Publication number | Publication date |
|---|---|
| CN108968978A (en) | 2018-12-11 |
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