CN108339164A - A kind of polycythemia vera bloodletting device - Google Patents
A kind of polycythemia vera bloodletting device Download PDFInfo
- Publication number
- CN108339164A CN108339164A CN201810243182.3A CN201810243182A CN108339164A CN 108339164 A CN108339164 A CN 108339164A CN 201810243182 A CN201810243182 A CN 201810243182A CN 108339164 A CN108339164 A CN 108339164A
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- CN
- China
- Prior art keywords
- bloodletting
- sebific duct
- conveyer belt
- clamping bar
- driving
- Prior art date
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Classifications
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- A61M1/0023—
-
- A61M1/0001—
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- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/84—Drainage tubes; Aspiration tips
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of polycythemia vera bloodletting devices, its key points of the technical solution are that including bloodletting sebific duct, fleams, bloodletting container, anti-blocking plug assembly, anti-blocking plug assembly includes conveyer belt, driving device, elastic compression assemblies, conveyer belt is provided with two, and it is located at the opposite sides of bloodletting sebific duct, elastic compression assemblies on two conveyer belts are arranged in a one-to-one correspondence, push presses the opposite sides of bloodletting sebific duct respectively, and driving device driving conveying belt can be moved with dynamic elasticity compression assemblies along direction of flow of blood during rotating；Elastic compression assemblies include the elastic component for rotating clamping bar, conflict idler wheel and being turned out around the hinged place with conveyer belt for pushing rotation clamping bar, and elastic component can enable conflict idler wheel push always and press bloodletting sebific duct during discharging elastic potential energy by push rotation clamping bar.The device can prevent from solidifying because venous blood flow velocity is slow, prevent bloodletting device blockage phenomenon.
Description
Technical field
The present invention relates to technical field of medical equipment, more specifically, it relates to a kind of polycythemia vera bloodletting
Device.
Background technology
Polycythemia vera is that a kind of pluripotential hemopoietic stem cell clone's sexual disorder is with erythroid cells abnormality proliferation
Main Chronic Myeloid proliferative diseases result in morphologically normal red blood cell, leucocyte, blood due to this Clonal disorder
Platelet and abnormal accumulation of its progenitor cells under conditions of lacking differential stimulus factor.This disease belongs to myeloproliferative disease
Scope.PV often accompanies by the exception of one system of hematopoietic cell or more, and erythropoietin(EPO) lowers or normal, companion's endogenous red blood cell
Assembly, which is fallen, does not depend on erythropoietin(EPO).Clinical characters are that morbidity is slow, the course of disease is longer, red blood cell showed increased, whole blood volume
Increase, often accompanies by total white blood cells and thrombocythemia, skin and mucous membrane reddish violet, splenomegaly, blood vessel and neurological symptom.
Generally venesection is used to treat the therapy of the disease at present, bloodletting therapy is simple, safe, easy,
Blood volume can be made to restore normal in short time, eliminate symptom.Doctor to venous patient bloodletting when treating at present, it is common that adopts
With blood letting bag (bloodletting bottle), bloodletting sebific duct one end penetrates the vein of patient by syringe needle, and the other end is inserted into blood letting bag (bloodletting bottle)
In, blood letting bag (bloodletting bottle) is equipped with exhaust pipe, since the flow velocity of venous blood is slower, above-mentioned bloodletting therapy it is main or according to
Gravity by blood itself realizes bloodletting, and since venous blood flow velocity is slow, bloodletting sebific duct, blood letting bag (bloodletting bottle) are passed through at blood vessel
Therapeutic effect often can be influenced there is a phenomenon where blocking.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of polycythemia vera bloodletting dress
It sets, which can prevent from solidifying because venous blood flow velocity is slow, prevent bloodletting device blockage phenomenon.
To achieve the above object, the present invention provides following technical solutions：A kind of polycythemia vera bloodletting device,
Include bloodletting sebific duct and the fleams positioned at bloodletting sebific duct one end and the bloodletting container positioned at the bloodletting sebific duct other end, goes back
Include the anti-blocking plug assembly that the blood flow in push bloodletting sebific duct is played by squeezing bloodletting sebific duct, the anti-blocking plug assembly
Include the conveyer belt being arranged along bloodletting sebific duct length direction and the driving device rotated for driving conveying belt and setting
In the elastic compression assemblies for push extruding bloodletting sebific duct on the lateral wall of conveyer belt, the conveyer belt is provided with two, and
And it is located at the opposite sides of bloodletting sebific duct, the driving device includes to be tensioned to the rotation at conveyer belt length direction both ends
Wheel and motor for driving rotating wheel to rotate, the elasticity compression assemblies be provided with it is multiple, and along the length side of conveyer belt
To being arranged, the elastic compression assemblies on two conveyer belts are arranged in a one-to-one correspondence, and push respectively presses the phase of bloodletting sebific duct
To both sides, driving device driving conveying belt can be moved with dynamic elasticity compression assemblies along direction of flow of blood during rotating；
The elasticity compression assemblies include that rotation clamping bar that one end is rotationally connected on conveyer belt and being rotationally connected with turns
The conflict idler wheel of the dynamic clamping bar other end and the elasticity being turned out around the hinged place with conveyer belt for pushing rotation clamping bar
Part, elastic component can be pushed to press and be put always during discharging elastic potential energy by push rotation clamping bar order conflict idler wheel
Blood glue pipe.
The present invention is further arranged to：Fixed setting is useful for hinged for rotation clamping bar on the lateral wall of the conveyer belt
First pedestal and for the second pedestal for elastic component location and installation；It is coaxially arranged on first pedestal and rotation clamping bar
For the jack for rotation axis grafting, rotation clamping bar can be rotated around the axial of rotation axis on the first pedestal；The elasticity
Part is spring, and being provided on second pedestal can be for the locating convex block of spring grafting.
The present invention is further arranged to：First pedestal and the second pedestal run through its thickness direction by trip bolt
It is fastenedly connected with conveyer belt, the escape groove for avoiding trip bolt, the escape groove is provided on the side wall of the rotating wheel
Circularize structure setting.
The present invention is further arranged to：It is provided on the lateral wall for contradicting idler wheel for being partially submerged into for bloodletting sebific duct
Locating slot, the locating slot circlewise structure setting, the depth dimensions of the locating slot are less than the radius size of bloodletting sebific duct.
The present invention is further arranged to：It is driven shaft that two rotating wheels one of one conveyer belt, which are one, driving shaft, electricity
The output end of machine is fixedly connected with one of driving shaft, and two driving shafts are by the driving wheel that is fixed on driving shaft and are arranged
In the belt transmission connection on two driving wheels.
In conclusion the invention has the advantages that：In use, bloodletting container is first placed on suitably by medical staff
In plane less than patient's arm, then patient is punctured with fleams, the stream on bloodletting sebific duct is adjusted after puncturing successfully
Adjuster is measured to the suitable state of flow, blood can be flowed into smoothly from bloodletting sebific duct in bloodletting container, then by bloodletting sebific duct
Middle part be put into anti-blocking plug assembly, and the both ends that bloodletting sebific duct is located to anti-blocking plug assembly are fixed, and avoid bloodletting glue
Pipe slides under the drive of anti-blocking plug assembly and draws fleams；Two conveyer belts of anti-blocking plug assembly are drawn close mutually again, directly
Conflict idler wheel to bloodletting sebific duct both sides presses bloodletting sebific duct, and elastic component is in the state of forced compression, passes through unlatching
Driving device makes anti-blocking plug assembly start to press bloodletting sebific duct, pushes blood flow, until the blood in bloodletting container reaches
Required blood volume.After bloodletting therapeutic process terminates, fleams is pulled up, flow regulator to the flow adjusted on bloodletting sebific duct is
Maximum state, the blood in bloodletting sebific duct can push in bloodletting container under the action of anti-blocking plug assembly, can be to patient
Blood collected completely, convenient for being collected to blood and post-processing.
The program can suitably increase the flow velocity of venous blood by anti-blocking plug assembly, overcome itself flow velocity with this
Slowly, it is easy solidification, the defect for causing bloodletting sebific duct and bloodletting container to block has the advantages that easy to use, bloodletting effect is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of bloodletting device；
Fig. 2 is the portions A enlarged structure schematic diagram in Fig. 1；
Fig. 3 is the sectional view of the first pedestal and rotating wheel on conveyer belt；
Fig. 4 is the structural schematic diagram for contradicting idler wheel；
Fig. 5 is the structural schematic diagram of driving device.
Reference numeral：1, bloodletting sebific duct；11, fleams；12, bloodletting container；2, anti-blocking plug assembly；21, conveyer belt；211、
First pedestal；212, the second pedestal；2121, locating convex block；213, trip bolt；214, rotation axis；215, jack；22, it drives
Device；221, rotating wheel；2211, escape groove；222, motor；223, driving wheel；224, belt；23, elastic compression assemblies；231、
Rotate clamping bar；232, idler wheel is contradicted；2321, locating slot；233, elastic component.
Specific implementation mode
With reference to the accompanying drawings and examples, the present invention is described in more detail.Wherein identical parts are with identical
Reference numeral indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down"
Refer to that the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements
The direction of geometric center.
Referring to Fig.1 shown in -5, a kind of polycythemia vera bloodletting device, include bloodletting sebific duct 1 and be located at bloodletting
The fleams 11 of 1 one end of sebific duct and bloodletting container 12 positioned at 1 other end of bloodletting sebific duct further include having by squeezing bloodletting
Sebific duct 1 plays the anti-blocking plug assembly 2 of the blood flow in push bloodletting sebific duct 1, and bloodletting sebific duct 1 uses existing soft infusion
Pipe, anti-blocking plug assembly 2 is by squeezing bloodletting sebific duct 1, and mobile anti-blocking plug assembly 2 is realized at the extruding on bloodletting sebific duct 1
The blood flow in bloodletting sebific duct 1 is pushed, the moving direction of anti-blocking plug assembly 2 is consistent with direction of flow of blood.
Anti-blocking plug assembly 2 include the conveyer belt 21 being arranged along 1 length direction of bloodletting sebific duct and be used for driving conveying belt 21
It the driving device 22 of rotation and is set on the lateral wall of conveyer belt 21 for push the elasticity extruding for squeezing bloodletting sebific duct 1
Component 23, conveyer belt 21 are provided with two, and are located at the opposite sides of bloodletting sebific duct 1, and driving device 22 includes
Tightly in the rotating wheel 221 at 21 length direction both ends of conveyer belt and for drive rotating wheel 221 rotate motor 222, elasticity squeeze
Component 23 is provided with multiple, and is arranged along the length direction of conveyer belt 21, the elastic extruding group on two conveyer belts 21
Part 23 is arranged in a one-to-one correspondence, and push respectively presses the opposite sides of bloodletting sebific duct 1, the rotation of 22 driving conveying belt 21 of driving device
During can be moved along direction of flow of blood with dynamic elasticity compression assemblies 23；Elastic compression assemblies 23 include one end rotation
The rotation clamping bar 231 that is connected on conveyer belt 21 and the conflict idler wheel 232 for being rotationally connected with rotation 231 other end of clamping bar and
The elastic component 233 being turned out around the hinged place with conveyer belt 21 for pushing rotation clamping bar 231, elastic component 233 are discharging
Conflict idler wheel 232 can be enabled to push always by push rotation clamping bar 231 during elastic potential energy and press bloodletting sebific duct 1.
The effect for adjusting two elastic compression assemblies 23 and bloodletting sebific duct 1 being clamped can be realized by adjusting the elastic acting force of elastic component 233
Power holds the both sides of bloodletting sebific duct 1 in two elastic compression assemblies 23 and is moved under the drive of conveyer belt 21, can be pushed away
The blood flow to veer away in blood glue pipe 1.
In use, bloodletting container 12 is first placed in the suitable plane less than patient's arm by medical staff, then with putting
Blood needle 11 punctures patient, the flow regulator after puncturing successfully on adjusting bloodletting sebific duct 1 to the suitable state of flow, blood
Liquid can be flowed into smoothly from bloodletting sebific duct 1 in bloodletting container 12, then the middle part of bloodletting sebific duct 1 is put into anti-blocking plug assembly 2,
And the both ends that bloodletting sebific duct 1 is located to anti-blocking plug assembly 2 are fixed, and avoid bloodletting sebific duct 1 in the drive of anti-blocking plug assembly 2
It is lower sliding and draw fleams 11；Two conveyer belts 21 of anti-blocking plug assembly 2 are drawn close mutually again, until 1 both sides of bloodletting sebific duct
Conflict idler wheel 232 press bloodletting sebific duct 1, and elastic component 233 is in the state of forced compression, passes through and opens driving device
22 make anti-blocking plug assembly 2 start to press bloodletting sebific duct 1, push blood flow, until the blood in bloodletting container 12 reaches institute
Need blood volume.After bloodletting therapeutic process terminates, fleams 11 is pulled up, the flow regulator on adjusting bloodletting sebific duct 1 to flow
For maximum state, the blood in bloodletting sebific duct 1 can push under the action of anti-blocking plug assembly 2 in bloodletting container 12, can
The blood of patient is collected completely, convenient for being collected to blood and post-processing.
The program can suitably increase the flow velocity of venous blood by anti-blocking plug assembly 2, overcome itself flow velocity with this
Slowly, it is easy solidification, the defect for causing bloodletting sebific duct 1 and bloodletting container 12 to block has good excellent of easy to use, bloodletting effect
Point.
Fixed setting is useful for for the first hinged pedestal 211 of rotation clamping bar 231 and is used on the lateral wall of conveyer belt 21
For the second pedestal 212 of 233 location and installation of elastic component；Coaxial arrangement is useful for for turning on first pedestal 211 and rotation clamping bar 231
The jack 215 of 214 grafting of moving axis, rotation clamping bar 231 can be rotated around the axial of rotation axis 214 on the first pedestal 211；Bullet
Property part 233 be spring, being provided on the second pedestal 212 can be for the locating convex block 2121 of spring grafting.Rotate clamping bar 231 and the
One pedestal 211 realizes by rotation axis 214 and is hinged that the second pedestal 212 is carried out elastic component 233 effectively by locating convex block 2121
It is fixedly mounted, said program coordinates the first pedestal 211 and the second pedestal 212 that elastic compression assemblies 23 is enabled to be mounted on conveyer belt 21
After smooth can bypass rotating wheel 221, the program easy implementation simple in structure passes through conveyer belt 21 convenient for elastic compression assemblies 23
Mode of movement is moved.
First pedestal 211 and the second pedestal 212 are fastened by trip bolt 213 through its thickness direction and conveyer belt 21
It connects, the escape groove 2211 for avoiding trip bolt 213 is provided on the side wall of rotating wheel 221, escape groove 2211 circularizes
Structure setting.The dismounting mode of trip bolt 213 is not only simple in structure easy implementation, can more realize fast assembling-disassembling, match convenient for zero
The maintenance of part is replaced.And the setting of escape groove 2211 can also allow the trip bolt 213 of protrusion not generated to rotating wheel 221
Interference.
Contradict the locating slot 2321 being provided on the lateral wall of idler wheel 232 for being partially submerged into for bloodletting sebific duct 1, locating slot
2321 circlewise structure settings, the depth dimensions of locating slot 2321 are less than the radius size of bloodletting sebific duct 1.
The setting of locating slot 2321 can avoid 1 edge of bloodletting sebific duct during contradicting idler wheel 232 and squeezing bloodletting sebific duct 1
The width direction sliding for contradicting idler wheel 232, is conducive to improve the degree of stability that anti-blocking plug assembly 2 squeezes push blood.This is fixed
It the cross section of position slot 2321 can be at V-shaped or arc, during bloodletting sebific duct 1 can be avoided to slide, additionally it is possible to bloodletting
Sebific duct 1 is effectively squeezed, and bloodletting sebific duct 1 has certain wall thickness, is contradicted at two and is positioned in the extrusion process of idler wheel 232
The depth of slot 2321 will not enable it excessively strain during can squeeze bloodletting sebific duct 1 and be closed, and be conducive to extend bloodletting glue
The service life of pipe 1.
It is driven shaft that two rotating wheels 221 1 of one conveyer belt 21, which are one, driving shaft, the output end of motor 222 with
One of driving shaft is fixedly connected, and two driving shafts are by the driving wheel 223 that is fixed on driving shaft and are sheathed on two biographies
Belt 224 on driving wheel 223 is sequentially connected.The kind of drive of above structure can drive two conveyer belts 21 while run, and have
Conducive to improving the working efficiency and degree of stability of anti-blocking plug assembly 2.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of polycythemia vera bloodletting device, includes bloodletting sebific duct (1) and be located at bloodletting sebific duct (1) one end
Fleams (11) and the bloodletting container (12) for being located at bloodletting sebific duct (1) other end, it is characterized in that：Further include having to pass through extruding
Bloodletting sebific duct (1) plays the anti-blocking plug assembly (2) of the blood flow in push bloodletting sebific duct (1), anti-blocking plug assembly (2) packet
Include the conveyer belt (21) being arranged along bloodletting sebific duct (1) length direction and the driving device for driving conveying belt (21) rotation
(22) it and is set to for pushing the elastic compression assemblies (23) for squeezing bloodletting sebific duct (1) on the lateral wall of conveyer belt (21),
The conveyer belt (21) is provided with two, and is located at the opposite sides of bloodletting sebific duct (1), driving device (22) packet
Include the rotating wheel (221) for being tensioned to conveyer belt (21) length direction both ends and the motor for driving rotating wheel (221) to rotate
(222), the elastic compression assemblies (23) are provided with multiple, and are arranged along the length direction of conveyer belt (21), two
Elastic compression assemblies (23) on conveyer belt (21) are arranged in a one-to-one correspondence, and push respectively presses opposite the two of bloodletting sebific duct (1)
Side, driving device (22) driving conveying belt (21) can be with dynamic elasticity compression assemblies (23) along blood flow side during rotating
To movement；
The elasticity compression assemblies (23) include the rotation clamping bar (231) and turn that one end is rotationally connected on conveyer belt (21)
The dynamic conflict idler wheel (232) for being connected to rotation clamping bar (231) other end and for push rotation clamping bar (231) around with it is defeated
The elastic component (233) for sending the hinged place of band (21) to be turned out, elastic component (233) can lead to during discharging elastic potential energy
Crossing push rotation clamping bar (231) order conflict idler wheel (232), push presses bloodletting sebific duct (1) always.
2. a kind of polycythemia vera bloodletting device according to claim 1, it is characterized in that：The conveyer belt (21)
Lateral wall on fixed setting be useful for for rotation clamping bar (231) hinged the first pedestal (211) and for for elastic component
(233) the second pedestal (212) of location and installation；It is coaxially disposed and is useful on first pedestal (211) and rotation clamping bar (231)
For the jack (215) of rotation axis (214) grafting, rotation clamping bar (231) can be around the axial in the first pedestal of rotation axis (214)
(211) it is rotated on；The elastic component (233) is spring, is provided with and can determine for spring grafting on second pedestal (212)
Position convex block (2121).
3. a kind of polycythemia vera bloodletting device according to claim 2, it is characterized in that：First pedestal
(211) it is fastenedly connected with conveyer belt (21) through its thickness direction by trip bolt (213) with the second pedestal (212), institute
State the escape groove (2211) being provided on the side wall of rotating wheel (221) for avoiding trip bolt (213), the escape groove
(2211) structure setting is circularized.
4. a kind of polycythemia vera bloodletting device according to any one of claim 1-3, it is characterized in that：Institute
The locating slot (2321) being provided on the lateral wall for contradicting idler wheel (232) for being partially submerged into for bloodletting sebific duct (1) is stated, it is described fixed
Circlewise structure setting, the depth dimensions of the locating slot (2321) are less than the radius size of bloodletting sebific duct (1) to position slot (2321).
5. a kind of polycythemia vera bloodletting device according to claim 1, it is characterized in that：One conveyer belt (21)
Two rotating wheels (221) one be one, driving shaft be driven shaft, the output end and one of driving shaft of motor (222) are solid
Fixed connection, two driving shafts pass through the skin that is fixed on the driving wheel on driving shaft (223) and is sheathed on two driving wheels (223)
Band (224) is sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810243182.3A CN108339164A (en) | 2018-03-22 | 2018-03-22 | A kind of polycythemia vera bloodletting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810243182.3A CN108339164A (en) | 2018-03-22 | 2018-03-22 | A kind of polycythemia vera bloodletting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108339164A true CN108339164A (en) | 2018-07-31 |
Family
ID=62956879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810243182.3A Pending CN108339164A (en) | 2018-03-22 | 2018-03-22 | A kind of polycythemia vera bloodletting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108339164A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111437448A (en) * | 2020-05-12 | 2020-07-24 | 河南科技大学第一附属医院 | Blood pump for hemodialysis of reducible pulsation strand flow output |
| CN112873789A (en) * | 2020-12-28 | 2021-06-01 | 江西昌鸿管业有限公司 | Double-wave-crest lining ribbed pipe and processing technology |
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| CN111437448B (en) * | 2020-05-12 | 2022-09-06 | 河南科技大学第一附属医院 | Blood pump capable of reducing pulsating femoral flow output for hemodialysis |
| CN112873789A (en) * | 2020-12-28 | 2021-06-01 | 江西昌鸿管业有限公司 | Double-wave-crest lining ribbed pipe and processing technology |
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Application publication date: 20180731 |