CN109171768A - A kind of physical examination blood letting device - Google Patents
A kind of physical examination blood letting device Download PDFInfo
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- CN109171768A CN109171768A CN201810916082.2A CN201810916082A CN109171768A CN 109171768 A CN109171768 A CN 109171768A CN 201810916082 A CN201810916082 A CN 201810916082A CN 109171768 A CN109171768 A CN 109171768A
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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
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
- A61B5/154—Devices using pre-evacuated means
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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
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
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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
- A61B5/150206—Construction or design features not otherwise provided for; manufacturing or production; packages; sterilisation of piercing element, piercing device or sampling device
- A61B5/150236—Pistons, i.e. cylindrical bodies that sit inside the syringe barrel, typically with an air tight seal, and slide in the barrel to create a vacuum or to expel blood
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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
- A61B5/150755—Blood sample preparation for further analysis, e.g. by separating blood components or by mixing
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Abstract
The invention discloses a kind of physical examination blood letting devices, belong to medical instruments field, including hemospast and centrifuge, hemospast includes the injection tube equipped with injection port, centrifuge includes the placement mechanism and rotary electric machine of outer case and its inside, upper piston body and lower piston body are equipped in injection tube, the push-pull rod of lower piston body passes through upper piston body and extends to above the push-pull handle of upper piston body；The piston head of lower piston body is equipped with the through-hole for being built-in with hydraulic control one-way valve；Push-pull rod is divided into the upper connecting rod and lower push-rod being detachably connected；Injection tube side is equipped with row's blood mouth with switch valve；Placement mechanism includes upper solid plate, middle solid plate and the lower fixed slab for respectively corresponding injection tube top, middle part and bottom；Side is equipped with the air charging system through being connected to inside appendix and outer case outside outer case.The present invention can prevent contacting blood air, and centrifugal treating is convenient and stablizes, and when blood count can directly take the blood constituent of needs, can also save the use of disposable utensil, simplify operating procedure.
Description
Technical field
The present invention relates to medical instruments fields, are specifically related to a kind of physical examination blood letting device.
Background technique
In health examination, blood testing is one of them, usually blood routine and biochemical analysis, and blood count can not only be helped
It helps and diagnoses the illness, moreover it is possible to help doctor's monitoring therapeuticing effect.Traditionally, general using disposable when acquiring blood testing
Syringe extracts blood；For the ease of the transport and centrifugal treating of blood, need the blood injection in syringe posting label
Test tube in, then with sealing cover closed test tube nozzle；In blood extracting assay, it is often necessary to centrifugal treating is carried out to blood,
After being layered blood, the blood constituent in test tube is separately extracted with disposable syringe.Disposable utensil dosage is larger, makes
At biggish waste；The injection and extraction of blood may all be contacted with air in test tube, be easy to cause blood sample to pollute, influenced
Result of laboratory test；Common shaking when running to blood test centrifugal device is big, unsatisfactory to test tube fixed effect, easily causes
Test tube is fallen off in water-bath centrifugal process by the biggish resistance of water body, and being easy, which influences test tube, imitates the centrifugally operated of blood
Rate.
A kind of hemostix is disclosed in the patent that application publication number is 205072873 U of CN comprising tube body, cap
And push-pull rod, tube body one end set collection portion, which forms a socket part, which sets an outlet, in the tube body
Wall circular sets up multiple ribs separately, which sets a piston body, which sets screw hole and the recess portion with rib cooperation, the cap
It is covered with the blind hole assembled with the collection portion and seals the outlet of the socket part, which is equipped with the screw rod with screwhole spiro bonding
Portion.It connects in tube body exit and has an acupuncture treatment, and can penetrate human vas and draw blood；Then rotating sliding bar makes its threaded shank and spiral shell
Hole is detached from, and extracts cap in acupuncture treatment rear enclosure, and blood is closed to be stored in tube body, and tube body is also convenient for carrying out centrifugal treating, centrifugation
Treated, and blood is divided into plasma layer and haemocyte layer；It is loaded on push-pull rod, removes cap, being pushed forward push-pull rod can be by blood point
Layer discharge, convenient for separately obtaining blood plasma and haemocyte.Which save the uses of disposable utensil, and simplify operating procedure.But
It has the following disadvantages: one, during extraction acupuncture treatment covers upper cap again, might have air and enters tube body, and causes blood
Sample pollution, influences result of laboratory test；Two, when blood layering is discharged, needs sequentially be discharged from top to bottom, be not easy to take needs in time
Blood part.
Summary of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is that providing a kind of physical examination blood letting device, it is able to achieve preferable envelope
Effect is closed, contacting blood air is prevented；Centrifugal treating is convenient and stablizes, and the blood after centrifugal treating is not required to sequentially arrange from top to bottom
Out, the blood constituent of needs once can only be taken；The use of disposable utensil can be also saved, and simplifies operating procedure.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of physical examination blood letting device, including hemospast and centrifuge, the hemospast include that bottom is equipped with injection
Mouthful injection tube, the centrifuge include outer case and be set to the intracorporal placement mechanism of outer container and rotary electric machine；
Upper piston body and lower piston body are equipped in the injection tube, two piston bodies include that periphery attaches injection tube inner wall
Piston head, be fixed on the push-pull rod of piston head upper surface middle part, and be fixed on the push-pull handle of push-pull rod upper end, the upper work
The piston head of cock body is located at the surface of the piston head of lower piston body, and the push-pull rod upper end of the lower piston body passes through upper piston body
And extend along its length, until being located at the top of the push-pull handle of upper piston body；The piston head of the lower piston body is equipped with and passes through
The through-hole of itself upper and lower surface is worn, is equipped with the hydraulic control one-way valve opened towards upper piston body in the through-hole；The push-pull rod packet
Include removable upper connecting rod and lower push-rod, the upper connecting rod upper end is connected push-pull handle, and the lower push-rod lower end is connected piston head, institute
Upper connecting rod lower end and lower push-rod upper end is stated to be detachably connected；Under original state, two piston heads are attached onto, two institutes
The spacing between push-pull handle is stated not less than height of the blood to be extracted in injection tube；
Acupuncture treatment is connected with by hose in the injection port lower port, the hose is equipped with regulating switch；The injection
Cylinder side is equipped with row's blood mouth, and row's blood mouth is equipped with switch valve；
The placement mechanism includes that two pieces vertical and the mounting plate being oppositely arranged and horizontal connection are between two pieces of mounting plates
Middle solid plate and lower fixed slab, the middle solid plate and lower fixed slab respectively correspond positioned at the top and bottom of mounting plate, the lower fixed slab
Middle part is fixed with the mounting rod being vertically arranged, and upper solid plate of the sliding sleeve on mounting rod, institute are equipped with right above the middle solid plate
It states in the vertical cross section for being located at middle solid plate to view field of solid plate, the upper solid plate is fixed on installation by lock-screw
On bar, respectively corresponds and be equipped with respectively and in the middle part of the push-pull rod of upper piston body, injection tube on the upper solid plate, middle solid plate and lower fixed slab
And the compatible perforation one in injection tube bottom, perforation two and perforation three；
The rotary electric machine is set to outer case bottom, and connection is in the connecting rod of " Kan " shape on the output shaft of the rotary electric machine,
The connecting rod two end is respectively and fixedly provided with the connecting rod extended towards, and the opposite end of the connecting rod is rotatably connected on corresponding peace respectively
In loading board；Side is equipped with the air charging system by being connected to inside appendix and outer case, the outer case outside the outer case
It is interior to be equipped with heating element and temperature sensor；It is respectively corresponded on the one side of the outer case and top surface equipped with switching door one and is opened
Door two is closed, is equipped with handle on the switching door one and switching door two.
Further, the side wall for the position that the push-pull rod in the lower push-rod of the upper piston body for lower piston body passes through is along it
Border is equidistantly equipped with the convex ribs one being vertically arranged, and the surface of the lower push-rod of the lower piston body is equidistantly equipped with perpendicular along its border
The convex ribs two being just aligned in one gap of convex ribs being directly arranged.Mutually limitation rotation is played between convex ribs one and convex ribs two
Effect, can promote the fractionation of the upper connecting rod lower push-rod one of two piston bodies.
Further, the upper connecting rod lower end and lower push-rod upper end are socketed, and on upper connecting rod lower end outer surface and lower push-rod
End inner surface is respectively corresponded equipped with compatible external screw thread and internal screw thread.Realize that upper connecting rod is pushed away under by the way of threaded connection
The requirement that bar is detachably connected, it is convenient for disassembly and assembly, convenient for application.
Further, the length of the push-pull handle of the upper piston body is greater than the push-pull handle of lower piston body, the lower piston body
Push-pull handle upper surface be fixed with pull ring.Because two push-pull handles may be attached onto, expand the push-pull handle of upper piston body
Pull ring is arranged on the push-pull handle of lower piston body in length, so that even if occurring aforementioned can also may easily pushing and pulling two push-and-pulls
Handle.
Further, the bottom of the perforation three on the lower fixed slab is equipped with small perforation compatible with injection port.It sets in this way
It sets, so that perforation three is adapted to injection tube bottom level, stability when injection tube bottom insertion perforation three can be improved.
Further, it is equipped in the upper solid plate for the position that mounting rod passes through and wears mouth, the upper solid plate upper surface is being worn
Mouth periphery is fixed with cross-sectional shape and the consistent fixing sleeve in the section Chuan Kou, and the fixing sleeve is sleeved on mounting rod, described to wear
Mouth and fixing sleeve inner sidewall are equipped with the limit raised line for being parallel to mounting rod, and the position of corresponding limit raised line is vertical on the mounting rod
To the sliding slot slided up and down for limit raised line is equipped with, the head end of the lock-screw, which passes through, is located at limit convex side on fixing sleeve
Side wall and be against limit raised line on, on the mounting rod positioned at sliding slot side part be equipped with is parallel to sliding slot for locking screw
Follow closely across strip-shaped hole.Limit raised line is set and sliding slot may advantageously facilitate connective stability between solid plate and mounting rod；Cause
Width for upper solid plate is larger, is unfavorable for lock-screw and passes through, and upper solid plate is fixed on peace convenient for lock-screw by setting fixing sleeve
It fills on bar.
Further, the specific structure being rotatablely connected between the mounting plate and connecting rod are as follows: corresponding on the mounting plate
The phase back side of the position of middle solid plate is fixed with the fixed link for being parallel to connecting rod, the turnable company of being set to of the fixed link other end
Inside extension bar, the connecting rod is equipped with the outer jack of a pair of opposing, the fixed link be equipped with two pairs it is respectively opposite and
A fixing bolt is inserted into mutually perpendicular internal plug seat, outer jack and internal plug seat jointly.When mounting plate is located at vertical state,
Outer jack is aligned with one pair of them internal plug seat, can be fixed with fixing bolt；By mounting plate rotate 90 ° after, another pair internal plug seat with
Outer jack alignment, can be fixed with fixing bolt, in this way, can meet the needs of hemospast is in two kinds of forms.
3. beneficial effect
(1) present invention is equipped with upper piston body and lower piston body in injection tube, and the push-pull rod of lower piston body passes through upper piston
Body simultaneously extends to above the push-pull handle of upper piston body, and under original state, the piston head lower surface of upper piston body attaches lower piston body
Piston head upper surface, spacing between the push-pull handle of upper piston body and the push-pull handle of lower piston body is not less than the blood to be extracted
Height in injection tube；The piston head of lower piston body is equipped with the through-hole through piston head upper and lower surface, is equipped with court in through-hole
The hydraulic control one-way valve opened to its top.In application, blood, can be pumped into injection tube, at this point, blood by two piston bodies of pull-up
In the space below lower piston body, when reaching the blood volume to be extracted, seal the injection port of injection tube, under push down piston body
Push-pull handle, the position of upper piston body is constant, then forms negative-pressure sealed cavity between two piston heads, the punching of blood in injection tube
To through-hole and hydraulic control one-way valve is washed open, then into aforementioned negative pressure cavity, until the following table face contact injection tube of piston head one
Inner bottom surface, piston head one just block injection port, can remove hose and acupuncture treatment.Blood enters injection tube after detaching human body
It is interior, then enter in the cavity between two piston heads again, realizes and the completely enclosed formula of blood is stored, prevented blood and taken out
The possibility of ingress of air during taking and storing.
(2) push-pull rod of upper piston body and lower piston body is divided into the upper connecting rod being detachably connected and pushed away under by the present invention
Bar, upper connecting rod upper end are connected push-pull handle, and one lower end of lower push-rod is connected piston head, and one lower end of upper connecting rod and one upper end of lower push-rod are removable
Unload connection.When to carry out centrifugal treating to blood, the related push-pull handle of the upper connecting rod of two piston bodies can be removed and be put on one side,
At this point, only retaining the length of injection tube, it can be easily placed in centrifugal treating in centrifugation apparatus, it is existing that layering is presented in blood after centrifugation
As；When taking blood, then upper connecting rod reinstalled, the piston head of two piston bodies can be driven, to be able to achieve blood
Discharge.In centrifugal process, blood is still in the cavity of sealing.
(3) present invention is equipped with row's blood mouth in injection tube side, and row's blood mouth is equipped with switch valve.When wanting blood extracting assay, layering
Blood be located between two piston heads, pull up two push-pull handles together, keep the distance between two piston heads constant, by two
A piston head and blood between the two integrally move up, until blood constituent to be taken be formed by the lower surface of layering with
It is concordant to arrange blood mouth bottom, stops pull-up push-pull handle, then the switch valve on the row's of opening blood mouth, under push to the push-pull handle of piston body
(or keep the upper surface of layering concordant at the top of row's blood mouth, after stopping pull-up push-pull handle, injection tube is inverted, the row's of opening blood mouth
On switch valve, pull down the push-pull handle of lower piston body, pull the piston head of the upward piston body of piston head of lower piston body mobile),
And can not be influenced by layered position by blood part to be taken from row's blood mouth discharge, without sequentially take out each layer blood at
Point, the blood constituent of needs once can be only taken, is conducive to save operating procedure.
(4) placement mechanism being equipped in centrifuge of the invention includes upper solid plate, middle solid plate and lower fixed slab, respectively corresponds note
Support is fixed in top, middle part and the bottom of shooting cylinder, so that the stability of injection tube is preferable in centrifugal process, may advantageously facilitate
The centrifugally operated efficiency of blood in injection tube；Placement mechanism is connect by connecting rod and connecting rod with rotary electric machine, and placement mechanism
It is rotatablely connected with connecting rod, convenient for rotation apparatus for placing, so as to adjust the form of hemospast, convenient for application；In the present invention
Air charging system is filled with gas into outer case, and then heating element can heat the intracorporal gas of outer container, and temperature sensor can be with
The temperature for monitoring gas in outer case, by gas control in the temperature of signal storage blood, and gas is easily with putting in outer case
It sets the rotation of mechanism and rotates, biggish resistance will not be generated, be conducive to the centrifugally operated efficiency for ensureing blood.
(5) present invention is equipped with hemospast and centrifuge, and hemospast only includes an injection tube, acts also as the work of test tube
With only relying on the present invention can be achieved with the whole process of the blood from drawing blood to taking, and save the use of disposable utensil, and simplify
Operating procedure.
To sum up, the present invention from blood be drawn into discharge during can realize preferable sealing effect, prevented blood and connect
The possibility for touching air, can prevent that blood sample is caused to pollute, and ensure result of laboratory test；Centrifugal treating is convenient and stability is preferable, centrifugation behaviour
It is very fast to make efficiency；Blood after centrifugal treating is not required to sequentially be discharged from top to bottom, once can only take the blood constituent of needs；
The use of disposable utensil can be also saved, and simplifies operating procedure.
Detailed description of the invention
Fig. 1 is that hemospast is put in the structural schematic diagram in centrifuge in the present invention；
Fig. 2 is the structural schematic diagram of hemospast；
Fig. 3 is the structural schematic diagram of hemospast in embodiment；
Fig. 4 is that enlarged drawing is illustrated by the mechanism of Section A-A in Fig. 3；
Fig. 5 is the attachment structure schematic diagram of upper connecting rod 621 and lower push-rod 622；
Fig. 6 is the schematic front view of centrifuge；
Fig. 7 is the schematic perspective view of outer case 3；
Fig. 8 is the external structure schematic diagram of mechanism in outer case 3；
Fig. 9 is the schematic diagram of internal structure of mechanism in outer case 3；
Figure 10 is the structural schematic diagram of section B-B in Fig. 9；
Figure 11 is the structural schematic diagram in the section C-C in Fig. 9；
Figure 12 is the structural schematic diagram in the section D-D in Fig. 9；
Figure 13 is the structural schematic diagram in the section E-E in Figure 12；
Figure 14 is the schematic perspective view of mounting rod 45；
Figure 15 is the position view of outer jack 33 and internal plug seat 34；
Figure 16 is the schematic diagram of hemospast application process；Wherein, figure (a) is the schematic diagram under original state, and figure (b) is row
Schematic diagram to the greatest extent after air；Figure (c) is schematic diagram when being just extracted into the desired amount of blood, and figure (d) is that storage is fully sealed in blood
When schematic diagram, figure (e) be the schematic diagram for preparing centrifugal treating, and figure (f) is that the schematic diagram of blood plasma is taken in preparation after centrifugal treating,
Scheming (g) is to have taken the schematic diagram after upper plasma.
Appended drawing reference: 1- injection tube, 2- injection port, 3- outer case, 4- placement mechanism, 41- mounting plate, 42- lower fixed slab,
Solid plate in 43-, the upper solid plate of 44-, 441- wear mouth, 442- fixing sleeve, 45- mounting rod, 46- lock-screw, and 47- one, the 48- that perforates is worn
Hole two, the 49- perforation small perforation of three, 491-, 5- rotary electric machine, 6- upper piston body, 61- piston head, 61a- piston head two, 62- is pushed away
Pull rod, 62a- push-pull rod two, 621- upper connecting rod, 621a- upper connecting rod two, 622- lower push-rod, 622a- lower push-rod two, 63- push-and-pull
Handle, 63a- push-pull handle two, 7- lower piston body, 61b- piston head one, 62b- push-pull rod one, 621b- upper connecting rod one push away under 622b-
Bar one, 63b- push-pull handle one, 8- through-hole, 9- hydraulic control one-way valve, 10- hose, 11- acupuncture treatment, 12- regulating switch, 13- arrange blood mouth,
14- switch valve, 15- connecting rod, 16- connecting rod, 17- appendix, 18- air charging system, 19- heating element, 20- temperature sensor,
21- switching door one, 22- switching door two, 23- handle, 24- convex ribs one, 25- convex ribs two, 26- external screw thread, 27- internal screw thread, 28- are drawn
Ring, 29- limit raised line, 30- sliding slot, 31- strip-shaped hole, 32- fixed link, 33- outer jack, 34- internal plug seat, 35- fixing bolt.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment
Such as Fig. 1 Fig. 2 and a kind of physical examination blood letting device shown in Fig. 8, including hemospast and centrifuge, the blood drawing
Device includes the injection tube 1 that bottom is equipped with injection port 2, and the centrifuge includes outer case 3 and the placement mechanism in outer case 3
4 and rotary electric machine 5；
As shown in Figures 2 and 3, it is equipped with upper piston body 6 and lower piston body 7 in the injection tube 1, the lower piston body 7 wraps
One 61b of piston head that periphery attaches 1 inner wall of injection tube is included, one 62b of push-pull rod of one 61b upper surface middle part of piston head is fixed on,
And it is fixed on one 63b of push-pull handle of one upper end 62b of push-pull rod, the upper piston body 6 includes that periphery attaches 1 inner wall of injection tube
Two 61a of piston head, is fixed on two 62a of push-pull rod of two 61a upper surface middle part of piston head, and is fixed on two 62a of push-pull rod
Push-pull handle two 63a, two 61a of piston head at end are located at the surface one 61b of piston head, and one upper end 62b of push-pull rod passes through
The length of two 61a of piston head, two 62a of push-pull rod and push-pull handle two 63a, one 62b of push-pull rod are greater than the length of two 62a of push-pull rod
The sum of the thickness of degree and two 61a of piston head；One 61b of piston head is equipped with the through-hole through one 61b upper and lower surface of piston head
8, the through-hole 8 is interior to be equipped with the hydraulic control one-way valve 9 opened towards two 61a of piston head；One 62b of push-pull rod includes removable
One 622b of one 621b of upper connecting rod and lower push-rod, one upper end 621b of upper connecting rod are connected one 63b of push-pull handle, the lower push-rod one
The lower end 622b is connected one 61b of piston head, and one lower end 621b of upper connecting rod and one upper end 622b of lower push-rod are detachably connected, described
Two 62a of push-pull rod includes two 622a of removable two 621a of upper connecting rod and lower push-rod, and two upper end 621a of upper connecting rod is connected and pushes away
Two 63a of pull handle, two lower end 622a of lower push-rod are connected two 61a of piston head, two lower end 621a of upper connecting rod and lower push-rod two
The upper end 622a is detachably connected, and under original state, two lower surface 61a of piston head attaches one upper surface 61b of piston head, described
Spacing between two 63a of one 63b of push-pull handle and push-pull handle is not less than height of the blood to be extracted in injection tube 1；
Acupuncture treatment 11 is connected with by hose 10 in 2 lower port of injection port, the hose 10 is equipped with regulating switch 12；
1 side of injection tube is equipped with row's blood mouth 13, and row's blood mouth 13 is equipped with switch valve 14；
As shown in Fig. 1, Fig. 8 and Fig. 9, the placement mechanism 4 includes two pieces of mounting plates 41 and water vertical and be oppositely arranged
Middle solid plate 43 and lower fixed slab 42 of the flushconnection between two pieces of mounting plates 41, the middle solid plate 43 and lower fixed slab 42 respectively correspond position
The mounting rod 45 being vertically arranged, the middle solid plate 43 are fixed in the middle part of the top and bottom of mounting plate 41, the lower fixed slab 42
Surface is equipped with upper solid plate 44 of the sliding sleeve on the mounting rod 45, the upper solid plate 44 it is vertical to view field be located in it is solid
In the cross section of plate 43, the upper solid plate 44 is fixed on mounting rod 45 by lock-screw 46, such as Fig. 1, Fig. 9, Figure 10, Figure 11
And shown in Figure 12, respectively corresponded on the upper solid plate 44, middle solid plate 43 and lower fixed slab 42 be equipped with respectively with two 62a of push-pull rod, note
The compatible perforation 1 in 1 middle part of shooting cylinder and 1 bottom of injection tube, perforation 2 48 and perforation 3 49；
As shown in Fig. 1, Fig. 8 and Fig. 9, the rotary electric machine 5 is set to 3 bottom of outer case, the output shaft of the rotary electric machine 5
Upper connection is in the connecting rod 15 of " Kan " shape, and 15 both ends of connecting rod are respectively and fixedly provided with the connecting rod 16 extended towards, the connecting rod 16
It is opposite end be rotatably connected on corresponding mounting plate 41 respectively；The 3 outside side of outer case be equipped with by appendix 17 with
The air charging system 18 being connected to inside outer case 3, the outer case 3 is interior to be equipped with heating element 19 and temperature sensor 20；Such as Fig. 6 and
Shown in Fig. 7, respectively corresponded on the one side of the outer case 3 and top surface equipped with switching door 1 and switching door 2 22, it is described to open
It closes and is equipped with handle 23 on door 1 and switching door 2 22.
In the present embodiment, as shown in figure 4, for the side of the position passed through one 62b of push-pull rod in two 622a of the lower push-rod
Wall is equidistantly equipped with the convex ribs 1 being vertically arranged along its border, and the surface of one 622b of lower push-rod is equidistantly set along its border
There are the convex ribs 2 25 being just aligned in one 24 gaps of convex ribs being vertically arranged.Phase is played between convex ribs 1 and convex ribs 2 25
The mutually effect of limitation rotation, can promote one 621b of upper connecting rod and one 622b of lower push-rod, two 621a of upper connecting rod and two 622a of lower push-rod
Fractionation.
In the present embodiment, as shown in figure 5,621 lower end of upper connecting rod of described two piston bodies and end cap on lower push-rod 622
It connects, and 621 lower end outer surface of upper connecting rod and 622 upper end inner surface of lower push-rod are respectively corresponded equipped with compatible external screw thread 26 and interior
Screw thread 27.The requirement that upper connecting rod 621 and lower push-rod 622 are detachably connected is realized by the way of threaded connection, it is convenient for disassembly and assembly, just
In application.
In the present embodiment, as shown in figure 3, the length of two 63a of the push-pull handle is greater than the length of one 63b of push-pull handle, institute
It states one upper surface 63b of push-pull handle and is fixed with pull ring 28.Because two push-pull handles may be attached onto, expand two 63a of push-pull handle
Length, pull ring 28 is set on one 63b of push-pull handle, so that even if occurring aforementioned can also may easily pushing and pulling two push-pull handles
63。
In the present embodiment, as shown in Fig. 1 and Fig. 9, the bottom of the perforation 3 49 on the lower fixed slab 42 is equipped with and injection
The compatible small perforation 491 of mouth 2.In this way, being adapted to perforation 3 49 with 1 bottom level of injection tube, injection tube 1 can be improved
Stability when bottom insertion perforation 3 49.
In the present embodiment, as shown in figure 13, it is equipped in the upper solid plate 44 for the position that mounting rod 45 passes through and wears mouth
441, the consistent fixing sleeve in 441 section of mouth cross-sectional shape and is worn wearing 441 periphery of mouth and be fixed in upper 44 upper surface of solid plate
442, the fixing sleeve 442 is sleeved on mounting rod 45, it is described wear mouth 441 and 442 inner sidewall of fixing sleeve and be equipped be parallel to peace
The limit raised line 29 of bar 45 is filled, as shown in figure 14, the position of corresponding limit raised line 29 is longitudinally equipped with for limit on the mounting rod 45
The sliding slot 30 that position raised line 29 slides up and down, the head end of the lock-screw 46, which passes through, is located at limit convex item 29 1 on fixing sleeve 442
The side wall of side is simultaneously against on limit raised line 29, and the part on the mounting rod 45 positioned at 30 side of sliding slot, which is equipped with, is parallel to sliding slot
30 strip-shaped holes 31 passed through for lock-screw 46.Setting limit raised line 29 and sliding slot 30 may advantageously facilitate solid plate 44 and mounting rod
Connective stability between 45；Because the width of upper solid plate 44 is larger, it is unfavorable for lock-screw 46 and passes through, fixing sleeve 442 is set
Upper solid plate 44 is fixed on mounting rod 45 convenient for lock-screw 46.
In the present embodiment, the specific structure being rotatablely connected between the mounting plate 41 and connecting rod 16 are as follows: the installation
The phase back side of the position of solid plate 43 is fixed with the fixed link 32 for being parallel to connecting rod 16 in corresponding on plate 41, and the fixed link 32 is another
One end is turnably set to inside connecting rod 16, and as shown in figure 15, the connecting rod 16 is equipped with the extrapolation of a pair of opposing
Hole 33, the fixed link 32 are equipped with two pairs of respectively opposite and mutually perpendicular internal plug seats 34, in outer jack 33 and internal plug seat 34
A piece fixing bolt 35 of insertion jointly.When mounting plate 41 is located at vertical state, outer jack 33 and one pair of them internal plug seat 34 are right
It together, can be fixed with fixing bolt 35；After mounting plate 41 is rotated 90 °, another pair internal plug seat 34 is aligned with outer jack 33, can be with admittedly
It is fixed to determine bolt 35, in this way, can meet the needs of hemospast is in two kinds of forms.
The concrete application process of above-mentioned physical examination blood letting device is (in conjunction with Figure 16):
(1) preparation work: opening switching door 1 and switching door 2 22, hemospast be placed in placement mechanism 4, i.e., first loose
Open locking screw 46 and on pull on solid plate 44, then injection tube 1 is sequentially passed through into perforation two and perforation 3 49, by the bottom of injection tube 1
In portion's insertion perforation 3 49, and it is located at 2 lower port of injection port below 42 lower surface of lower fixed slab, then extremely by the decentralization of upper solid plate 44
It just covers on two 62a of push-pull rod, tightens lock-screw 46, upper solid plate 44 is fixed on mounting rod 45, realize to injection tube 1
Three layers of fixation, be conducive to ensure centrifugal process in injection tube 1 stability, finally two 621a of upper connecting rod is rotatably connected on down
On two 622a of push rod, one 621b of upper connecting rod is penetrated out of upper connecting rod two 621a and is rotatably connected on one 622b of lower push-rod, this
When, hemospast is placed in placement mechanism 4；Under push away two 63a of push-pull handle, by two 62a of push-pull rod push two 61a of piston head under
It moves, because two lower surface 61a of piston head under original state attaches one upper surface 61b of piston head, and pushes one 61b of piston head
It moves down, until 1 inner bottom surface of following table face contact injection tube of one 61b of piston head, plays the role of draining air in injection tube 1, rotation
Mounting plate 41 makes injection tube 1 be in lateral position, and fixed link 32 rotates relative to connecting rod 16, outer jack 33 with wherein
A pair of of internal plug seat 34 is aligned, fixed with fixing bolt 35, and the hose 10 for being connected with acupuncture treatment 11 is mounted on injection port 2；
(2) it draws blood: fixing acupuncture treatment 11 after acupuncture treatment 11 is penetrated blood vessel, then remove fixing bolt 35 and be rotatablely installed plate 41,
Injection tube 1 is set to be in lengthwise position, fixed link 32 rotates relative to connecting rod 16, outer jack 33 and another pair internal plug seat 34
Alignment, it is fixed with fixing bolt 35；Regulating switch 12 is opened again, pulls up one 63b of push-pull handle, is pulled and is lived by one 62b of push-pull rod
One 61b of chock plug is moved up because two lower surface 61a of piston head still attaches one upper surface 61b of piston head so that two 61a of piston head with
Move up, by blood be pumped into injection tube 1 in, at this point, blood is located in the space below one 61b of piston head, to be extracted when reaching
Blood volume when, stop pull-up one 63b of push-pull handle, close regulating switch 12, under push away one 63b of push-pull handle, pushed away by one 62b of push-pull rod
The first 61b of piston is moved down, and the position of upper piston body 6 is constant, then forms negative pressure between two 61a of one 61b of piston head and piston head
Cavity, the blood in injection tube 1 rushes at through-hole 8 and washes hydraulic control one-way valve 9 open, then into one 61b of piston head and piston head
Between two 61a, until 1 inner bottom surface of following table face contact injection tube of one 61b of piston head, one 61b of piston head blocks injection port 2, blood
It is fully located in aforementioned negative pressure cavity, realizes and the completely enclosed formula of blood is stored；Then it removes hose 10 and pulls up acupuncture treatment 11,
It loses into collection vessel；
(3) centrifugal treating: first rotation separation one 621b of upper connecting rod and one 622b of lower push-rod, by one 621b of upper connecting rod together with pushing away
One 63b of pull handle puts aside, then rotation separation two 621a of upper connecting rod and two 622a of lower push-rod, by two 621a of upper connecting rod together with pushing away
Two 63a of pull handle puts aside, and fixes because stablizing injection-tube in aforementioned process, and blood is able to completely enclosed formula and deposits
It puts, can directly carry out rotation centrifugation；Switching door 1 and switching door 2 22 are closed, air charging system 18, heating element 19 are started
And temperature sensor 20, so that gas enters outer case 3, and it is heated to the temperature of compatible blood storage；Start rotary electric machine
5, drive link 15 rotates, and drives placement mechanism 4 to rotate by connecting rod 16, and injection tube 1 rotates with it, blood be centrifuged after be in
Existing lamination；
(4) it takes chemical examination: opening switching door 1 and switching door 2 22 (gas first can be drawn back into air charging system 18), first will
Two 621a of upper connecting rod is rotatably connected on two 622a of lower push-rod, then penetrates one 621b of upper connecting rod simultaneously out of upper connecting rod two 621a
It is rotatably connected on one 622b of lower push-rod, at this point, one 61b of piston head is located at bottom in injection tube 1, two 61a of piston head, which is located at, to live
Above one 61b of chock plug, the blood of layering is located between two 61a of one 61b of piston head and piston head, pulls up one 63b of push-pull handle together
With two 63a of push-pull handle, keep the distance between one 61b of piston head and two 61a of piston head constant, by one 61b of piston head and piston
First two 61a and blood between the two integrally move up, until blood constituent to be taken be formed by the lower surface of layering with
It is concordant to arrange 13 bottom of blood mouth, then stops pulling up one 63b of push-pull handle and two 63a of push-pull handle, the switch valve 14 on the row's of opening blood mouth 13,
Under push away two 63a of push-pull handle, by two 62a of push-pull rod push two 61a of piston head move down (or make layering upper surface and row blood mouth
13 tops are concordant, and after stopping pull-up one 63b of push-pull handle and two 63a of push-pull handle, injection tube 1 is inverted, on the row's of opening blood mouth 13
Switch valve 14 pulls down one 63b of push-pull handle, pushes one 61b of piston head mobile to two 61a of piston head by one 62b of push-pull rod), it can
Blood part to be taken is discharged from row's blood mouth 13, and is not influenced by layered position, without sequentially take out each layer blood at
Point, it once can only take the blood constituent of needs.
As shown in the above, the present invention from blood be drawn into discharge during can realize preferable sealing effect, shut out
The possibility of contacting blood air absolutely, can prevent from blood sample is caused to pollute, and ensure result of laboratory test；Centrifugal treating is convenient and stability compared with
Good, centrifugally operated efficiency is very fast；Blood after centrifugal treating is not required to sequentially be discharged from top to bottom, once can only take needs
Blood constituent；The use of disposable utensil can be also saved, and simplifies operating procedure.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen in scope of the presently claimed invention.
Claims (7)
1. a kind of physical examination blood letting device, which is characterized in that including hemospast and centrifuge, the hemospast includes bottom
Injection tube (1) equipped with injection port (2), the centrifuge include outer case (3) and the placement mechanism in outer case (3)
(4) and rotary electric machine (5)；
Upper piston body (6) and lower piston body (7) are equipped in the injection tube (1), two piston bodies include that periphery attaches injection
The piston head (61) of cylinder (1) inner wall, is fixed on the push-pull rod (62) of piston head (61) upper surface middle part, and be fixed on push-pull rod
(62) push-pull handle (63) of upper end, the piston head (61) of the upper piston body (6) are located at the piston head (61) of lower piston body (7)
Surface, push-pull rod (62) upper end of the lower piston body (7) passes through upper piston body (6) and extends along its length, until position
In the top of the push-pull handle (63) of upper piston body (6)；The piston head (61) of the lower piston body (7) is equipped with above and below itself
The through-hole (8) on surface, the through-hole (8) is interior to be equipped with the hydraulic control one-way valve (9) opened towards upper piston body；The push-pull rod (62)
Including removable upper connecting rod (621) and lower push-rod (622), upper connecting rod (621) upper end is connected push-pull handle (63), under described
Push rod (622) lower end is connected piston head (61), and upper connecting rod (621) lower end and lower push-rod (622) upper end are detachably connected；Just
Under beginning state, two piston heads (61) are attached onto, and the spacing between two push-pull handles (63), which is not less than, to take out
Height of the blood taken in injection tube (1)；
It is connected with acupuncture treatment (11) in injection port (2) lower port by hose (10), the hose (10) is equipped with to adjust and open
It closes (12)；Injection tube (1) side is equipped with row blood mouth (13), and row's blood mouth (13) is equipped with switch valve (14)；
The placement mechanism (4) includes that two pieces vertical and the mounting plate (41) being oppositely arranged and horizontal connection are in two pieces of mounting plates
(41) middle solid plate (43) and lower fixed slab (42) between, the middle solid plate (43) and lower fixed slab (42) are respectively corresponded positioned at mounting plate
(41) top and bottom, lower fixed slab (42) middle part are fixed with the mounting rod (45) being vertically arranged, the middle solid plate (43)
Surface is equipped with upper solid plate (44) of the sliding sleeve on mounting rod (45), the upper solid plate (44) it is vertical to view field position
In in the cross section of middle solid plate (43), the upper solid plate (44) is fixed on mounting rod (45) by lock-screw (46), described
Respectively corresponded on upper solid plate (44), middle solid plate (43) and lower fixed slab (42) be equipped with respectively with the push-pull rod (62) of upper piston body (6),
Three (49) of in the middle part of injection tube (1) and injection tube (1) bottom one (47) of compatible perforation, two (48) of perforation and perforation；
The rotary electric machine (5) is set to outer case (3) bottom, and connection is in " Kan " shape on the output shaft of the rotary electric machine (5)
Connecting rod (15), connecting rod (15) both ends are respectively and fixedly provided with the connecting rod (16) extended towards, the opposite end of the connecting rod (16)
It is rotatably connected on corresponding mounting plate (41) respectively；The external side of the outer case (3) is equipped with by appendix (17) and outer
The air charging system (18) being connected to inside cabinet (3), the outer case (3) is interior to be equipped with heating element (19) and temperature sensor
(20)；It respectively corresponds on the one side of the outer case (3) and top surface equipped with switching door one (21) and switching door two (22), it is described
Handle (23) are equipped on switching door one (21) and switching door two (22).
2. a kind of physical examination blood letting device according to claim 1, which is characterized in that the upper piston body (6)
The side wall for the position that push-pull rod (62) in lower push-rod (622) for lower piston body (7) passes through equidistantly is equipped with vertically along its border
The convex ribs one (24) of setting, the surface of the lower push-rod (622) of the lower piston body (7) is equidistantly equipped with along its border to be vertically arranged
The convex ribs two (25) being just aligned between convex ribs one (24) in gap.
3. a kind of physical examination blood letting device according to claim 1, which is characterized in that under the upper connecting rod (621)
End is socketed with lower push-rod (622) upper end, and upper connecting rod (621) lower end outer surface and lower push-rod (622) upper end inner surface are right respectively
Compatible external screw thread (26) and internal screw thread (27) should be equipped with.
4. a kind of physical examination blood letting device according to claim 1, which is characterized in that the upper piston body (6)
The length of push-pull handle (63) is greater than the push-pull handle (63) of lower piston body (7), push-pull handle (63) upper surface of the lower piston body (7)
It is fixed with pull ring (28).
5. a kind of physical examination blood letting device according to claim 1, which is characterized in that on the lower fixed slab (42)
The bottom of three (49) of perforation is equipped with injection port (2) compatible small perforation (491).
6. a kind of physical examination blood letting device according to claim 1, which is characterized in that supplied on the upper solid plate (44)
The position that mounting rod (45) passes through is equipped with and wears mouth (441), and upper solid plate (44) upper surface is fixed with cross on Chuan Kou (441) periphery
Cross sectional shape and the consistent fixing sleeve in Chuan Kou (441) section (442), the fixing sleeve (442) are sleeved on mounting rod (45), institute
It states and wears mouth (441) and fixing sleeve (442) inner sidewall equipped with the limit raised line (29) for being parallel to mounting rod (45), the mounting rod
(45) position of corresponding limit raised line (29) is longitudinally equipped with the sliding slot (30) slided up and down for limit raised line (29), the locking on
The head end of screw (46) passes through the side wall for being located at limit convex item (29) side on fixing sleeve (442) and is against limit raised line (29)
On, the part on the mounting rod (45) positioned at sliding slot (30) side, which is equipped with, to be parallel to sliding slot (30) and wears for lock-screw (46)
The strip-shaped hole (31) crossed.
7. a kind of physical examination blood letting device according to claim 1, which is characterized in that the mounting plate (41) and company
The specific structure being rotatablely connected between extension bar (16) are as follows: the phase back side of the position of solid plate (43) in corresponding on the mounting plate (41)
The fixed fixed link (32) for being parallel to connecting rod (16), fixed link (32) other end are turnably set to connecting rod (16)
Inside, the connecting rod (16) are equipped with the outer jack (33) of a pair of opposing, and the fixed link (32) is equipped with two pairs respectively
From opposite and mutually perpendicular internal plug seat (34), it is inserted into a fixing bolt jointly in the outer jack (33) and internal plug seat (34)
(35)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916082.2A CN109171768A (en) | 2018-08-13 | 2018-08-13 | A kind of physical examination blood letting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810916082.2A CN109171768A (en) | 2018-08-13 | 2018-08-13 | A kind of physical examination blood letting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109171768A true CN109171768A (en) | 2019-01-11 |
Family
ID=64921610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916082.2A Pending CN109171768A (en) | 2018-08-13 | 2018-08-13 | A kind of physical examination blood letting device |
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| Country | Link |
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| CN (1) | CN109171768A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123341A (en) * | 2019-05-29 | 2019-08-16 | 高明旭 | A kind of clinical medical inspection section vacuum blood sampler |
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| CN107469198A (en) * | 2013-03-26 | 2017-12-15 | 和谐医疗有限公司 | Improved mixing syringe assembly |
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