CN107505471B - Thrombus elasticity testing device - Google Patents
Thrombus elasticity testing device Download PDFInfo
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- CN107505471B CN107505471B CN201710797509.7A CN201710797509A CN107505471B CN 107505471 B CN107505471 B CN 107505471B CN 201710797509 A CN201710797509 A CN 201710797509A CN 107505471 B CN107505471 B CN 107505471B
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- 208000007536 Thrombosis Diseases 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 239000000523 sample Substances 0.000 claims abstract description 33
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 230000000903 blocking effect Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 230000023555 blood coagulation Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 102000009123 Fibrin Human genes 0.000 description 1
- 108010073385 Fibrin Proteins 0.000 description 1
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 1
- 102000008946 Fibrinogen Human genes 0.000 description 1
- 108010049003 Fibrinogen Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002091 elastography Methods 0.000 description 1
- 229950003499 fibrin Drugs 0.000 description 1
- 229940012952 fibrinogen Drugs 0.000 description 1
- 230000020764 fibrinolysis Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/86—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving blood coagulating time or factors, or their receptors
Abstract
The present case relates to a thrombus elasticity testing device, including: the support unit is horizontally arranged, a convex ring is arranged on the support unit, a first notch is arranged on the convex ring, a round hole is formed in the center of the convex ring, a vertical face is vertically fixed on the lower surface of the support unit, and a first sliding rail is arranged on the vertical face; the rotating ring is arranged in the convex ring, the rotating ring and the convex ring are coaxially arranged, a probe is fixed at the bottom of the rotating ring, and the probe coaxially penetrates through the round hole; a driving unit; a sensing detection unit arranged at the upper part of the swivel; and the cup seat unit is arranged on the first sliding rail in a sliding manner. The device has the advantages of simplifying the complexity of the device, improving the positioning precision of the measuring cup, and sharply reducing the error of the detection system, thereby obviously improving the detection precision of the system.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a thrombus elasticity testing device.
Background
Coagulation, i.e. blood coagulation, refers to the process of changing blood from a flowing liquid state to a non-flowing gel state, which is an important link in physiological hemostasis, and the essence of blood coagulation is the process of changing soluble fibrinogen in plasma to insoluble fibrin.
The thrombus elastography instrument is used for clinical examination, is one of important tools for monitoring coagulation characteristics, adopts a measurement mode of freely suspending a probe, a cup head of a cup for measuring is fixed on the freely suspending probe, the cup head is not easy to keep static and upright when put into a cup body, and the probe in a suspending state is extremely easy to be interfered by external vibration and impact; the distance between the driving unit and the detecting unit of the existing device is long, coaxiality is difficult to ensure, the requirement on the processing, assembling and adjusting technology is high, and the economic cost is not reduced; the electromagnetic measurement method adopted by the traditional measuring device has low measuring precision, poor stability and low sensitivity; therefore, there is a need to develop a novel thrombus elasticity test device, which meets the requirements of clinical coagulation detection analysis today.
Disclosure of Invention
It is an object of the present invention to address at least the above problems or disadvantages and to provide at least the advantages described below.
The invention also aims to provide the thrombus elasticity testing device, which realizes the self-driving and self-feedback self-detection function of the sensing detection unit, cancels the cup seat oscillating mechanism in the traditional scheme, reduces the degree of freedom of the cup seat unit, greatly simplifies the complexity of the device, improves the positioning precision of the measuring cup, and sharply reduces the error of the detection system, thereby obviously improving the detection precision of the system; the friction generated when the system rotates is reduced by the conical tip rotating shaft, so that the shock resistance of the whole device is greatly improved, and the reliability of the system and the measurement reliability are remarkably improved; the optical lever measuring mechanism is adopted, so that the measuring resolution and sensitivity of the thrombus elasticity are effectively improved, and the measuring precision is obviously improved; the device has the advantages of simple and practical structure, convenient operation and quick data processing, can meet the requirements of clinical blood coagulation detection analysis at present, and has good popularization and application values; the guide rod used in the prior art is omitted, the guide rod is a long straight shaft, the processing difficulty is high, the cost is high, and the processing time and the cost are saved; because the scheme of installing the cup holder in the slide rail by shaking the probe is adopted, complex assembly alignment between the probe and the cup holder is not needed, the automation degree of the whole instrument is greatly improved, and automatic cup feeding is possible.
For this purpose, the technical scheme provided by the invention is as follows:
a thrombus elasticity testing device, comprising:
the support unit is horizontally arranged, a convex ring is arranged on the support unit, a first notch is arranged on the convex ring, a round hole is formed in the center of the convex ring, a vertical face is vertically fixed on the lower surface of the support unit, and a first sliding rail is arranged on the vertical face;
the rotating ring is arranged in the convex ring, the rotating ring and the convex ring are coaxially arranged, a probe is fixed at the bottom of the rotating ring, and the probe coaxially penetrates through the round hole;
the driving unit is arranged on the supporting unit and comprises a swinging rod which passes through the first notch and is fastened on the swivel, the swinging rod is connected with a driven block, the driven block is connected with a cam, the cam is coaxially connected with a rotor of a driving motor, one end of a tension spring is fastened at the middle part of the swinging rod, and the other end of the tension spring is fastened on the supporting unit;
a sensing detection unit arranged at the upper part of the swivel; and
and the cup seat unit is arranged on the first sliding rail in a sliding way.
Preferably, the sensing detection unit comprises a U-shaped base, the base is fastened on the convex ring through screws, a measuring position is arranged on the base, and a laser emitter and a light spot position sensor are arranged on the measuring position side by side.
Preferably, the base is provided with an upper through hole and a lower through hole which are coaxially aligned up and down, an upper shaft support is embedded in the upper through hole, an adjusting cap is arranged at the top end of the inner portion of the upper shaft support, an upper shaft plate is further arranged in the upper shaft support, an upper pressure spring is arranged between the adjusting cap and the upper shaft plate, an upper baffle ring is fastened at the bottom end of the inner portion of the upper shaft support, a lower shaft support is embedded in the lower through hole, a lower baffle ring and a lower shaft plate are coaxially fastened in sequence from top to bottom in the lower shaft support, and conical grooves are formed in the lower end face of the upper shaft plate and the center of the upper end face of the lower shaft plate.
Preferably, the sensing detection unit further comprises a rotation part, the rotation part is further provided with a mirror surface, the mirror surface is opposite to the measuring position, a central hole is formed in the center of the rotation part, the central hole is coaxially arranged with the upper through hole and the lower through hole of the base, one end of a hairspring is fastened at the lower part of the rotation part, and the other end of the hairspring is fastened on the inner side surface of the swivel.
Preferably, a rotating shaft is arranged in the rotating part, the rotating shaft is coaxially arranged in a central hole of the rotating part, an upper shaft tip is arranged at the top of the rotating shaft, the upper shaft tip is propped against the upper shaft plate, a lower shaft tip is arranged at the bottom of the rotating shaft, the lower shaft tip is propped against the lower shaft plate, a conical groove is matched with the upper shaft tip and the lower shaft tip, an annular groove is formed in the lower part of the rotating shaft, a ring sleeve is sleeved in the annular groove, the upper end face of the ring sleeve is attached to the end face of the rotating part, in an initial state, the rotating shaft and the rotating part are initially positioned through the ring sleeve, an upper blocking surface is arranged at the upper part of the rotating shaft, when the rotating shaft moves up to a limiting position, the upper blocking ring is limited to the upper blocking surface, a lower blocking surface is arranged at the lower part of the rotating shaft, when the rotating shaft moves down to the limiting position, the lower blocking ring is limited to the lower blocking surface, an adjusting screw is arranged on the side end face of the rotating part, and the adjusting screw is radially positioned.
Preferably, the thrombus elasticity testing device further comprises a cup withdrawing unit, wherein the cup withdrawing unit is arranged at the lower part of the supporting unit, and the cup withdrawing unit and the probe are coaxially arranged.
Preferably, the cup withdrawing unit further comprises a fixing shell, the fixing shell is fastened to the lower portion of the supporting unit through a screw, a retainer ring is fastened to the top end of the inside of the fixing shell, a shifting ring and a cup withdrawing ring which are coaxially attached up and down are arranged on the bottom end face of the retainer ring, a cup withdrawing groove is formed in one side of the outer wall of the fixing shell, a shifting rod is arranged on the shifting ring, the shifting rod is arranged in the cup withdrawing groove, a lower pressure spring is arranged between the top end face of the cup withdrawing ring and the bottom end face of the fixing shell, a guide rod is arranged on the other side of the outer wall of the fixing shell, the guide rod and the shifting rod are symmetrically arranged on two sides of the shifting ring, and the probe sequentially and coaxially penetrates through the retainer ring, the shifting ring and the cup withdrawing ring from top to bottom.
Preferably, the cup holder unit comprises a cup holder, the cup holder is connected with the first sliding rail, a cup cavity is formed in the cup holder, a bottom support is arranged at the bottom of the cup holder, a cup withdrawal rod is sleeved at the center of the bottom support, the top end of the cup withdrawal rod is mutually attached to the upper end face of the bottom of the cup cavity, a pressure spring is arranged between the upper end face of the bottom support and the lower end face of the cup withdrawal rod, a cup is coaxially embedded in the cup cavity, and the cup is measured and comprises a cup head and a cup body.
Preferably, the middle part of the swing rod is also connected with a tension spring for providing restoring force for the swing rod.
The invention at least has the following beneficial effects:
1. the self-driving self-feedback self-detection function of the sensing detection unit is realized, a cup seat oscillation mechanism in the traditional scheme is eliminated, the degree of freedom of the cup seat unit is reduced, the complexity of the device is greatly simplified, the positioning precision of the measuring cup is improved, the error of a detection system is sharply reduced, and the detection precision of the system is remarkably improved;
2. the friction generated when the system rotates is reduced by the conical tip rotating shaft, so that the shock resistance of the whole device is greatly improved, and the reliability of the system and the measurement reliability are remarkably improved;
3. the optical lever measuring mechanism is adopted, so that the measuring resolution and sensitivity of the thrombus elasticity are effectively improved, and the measuring precision is obviously improved;
4. the device has the advantages of simple and practical structure, convenient operation and quick data processing, can meet the requirements of clinical blood coagulation detection analysis at present, and has good popularization and application values;
5. the guide rod used in the prior art is omitted, the guide rod is a long straight shaft, the processing difficulty is high, the cost is high, and the processing time and the cost are saved;
6. because the scheme of installing the cup holder in the slide rail by shaking the probe is adopted, complex assembly alignment is not needed, the automation degree of the whole instrument is greatly improved, and automatic cup feeding is possible.
Drawings
FIG. 1 is a three-dimensional schematic view of a thrombus elasticity testing device according to the present invention;
FIG. 2 is a schematic view of a portion of the support unit, swivel and rotary part of the present invention;
FIG. 3 is a side view of a sensing unit according to the present invention;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is a schematic view in partial cross-section of the cup withdrawal unit of the present invention;
FIG. 6 is a schematic view, partially in section, of a cup holder unit according to the invention;
FIG. 7 is a three-dimensional schematic of a drive unit according to the present invention;
fig. 8 is a three-dimensional schematic view of a shaft according to the present invention.
Detailed Description
The present invention is described in further detail below by way of examples to enable those skilled in the art to practice the same by reference to the specification.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Referring to fig. 1-8, there are the following examples:
example 1
The present embodiment provides a thrombus elasticity testing device, including: the support unit 100 is horizontally arranged, the support unit 100 is provided with a convex ring 110, the convex ring 110 is provided with a first notch 111, the center of the convex ring 110 is provided with a round hole 112, the lower surface of the support unit 100 is vertically fixed with a vertical surface 120, and the vertical surface 120 is provided with a first sliding rail 121; the swivel 200 is arranged in the convex ring 110, the swivel 200 and the convex ring 110 are coaxially arranged, a probe 210 is fixed at the bottom of the swivel 200, and the probe 210 coaxially penetrates through the round hole 112; the driving unit 300 is arranged on the supporting unit 100, the driving unit 300 comprises a swing rod 310 which is fastened on the swivel 200 through the first notch 111, the swing rod 310 is connected with a driven block 320, the driven block 320 is connected with a cam 330, the cam 330 is coaxially connected with a rotor of a driving motor 340, one end of a tension spring 350 is fastened at the middle part of the swing rod 310, and the other end of the tension spring 350 is fastened on the supporting unit 100; a sensing unit 400 provided at an upper portion of the swivel 200; and a cup holder unit 600 slidably disposed on the first slide rail 121.
The sensing unit 400 includes a U-shaped base 410, the base 410 is fastened to the convex ring 110 by a screw, a measuring position is provided on the base 410, and a laser emitter 411 and a spot position sensor 412 are provided on the measuring position side by side. The base 410 is provided with an upper through hole 413 and a lower through hole 414 which are coaxially aligned up and down, the upper through hole 413 is internally embedded with an upper shaft support 415, the top end inside the upper shaft support 415 is provided with an adjusting cap 4151, the inside of the upper shaft support 415 is also provided with an upper shaft plate 4152, an upper pressure spring 4153 is arranged between the adjusting cap 4151 and the upper shaft plate 4152, the bottom end inside the upper shaft support 415 is fastened with an upper baffle ring 4154, the lower through hole 414 is internally embedded with a lower shaft support 416, the lower baffle ring 4161 and the lower shaft plate 4162 are coaxially fastened in sequence from top to bottom in the lower shaft support 416, and conical grooves are formed in the center of the lower end face of the upper shaft plate 4152 and the upper end face of the lower shaft plate 4162. The sensing unit 400 further includes a rotating portion 420, the rotating portion 420 is further provided with a mirror 421, the mirror 421 is disposed opposite to the measuring position, a central hole 422 is formed in a center of the rotating portion 420, the central hole 422 is coaxially disposed with the upper through hole 413 and the lower through hole 414 of the base 410, one end of a hairspring 423 is fastened to a lower portion of the rotating portion 420, and the other end of the hairspring 423 is fastened to an inner side surface of the swivel 200.
The rotary part 420 is provided with a rotary shaft 424, the rotary shaft 424 is coaxially arranged in a central hole 422 of the rotary part 420, the top of the rotary shaft 424 is provided with an upper shaft tip 4241, the upper shaft tip 4241 is abutted against the upper shaft plate 4152, the bottom of the rotary shaft 424 is provided with a lower shaft tip 4242, the lower shaft tip 4242 is abutted against the lower shaft plate 4162, the conical groove is matched with the upper shaft tip 4241 and the lower shaft tip 4242, the lower part of the rotary shaft 424 is provided with a ring groove 4243, a ring sleeve 4244 is sleeved in the ring groove 4243, the upper end surface of the ring sleeve 4244 is attached to the end surface of the rotary part 420, in an initial state, the rotary shaft 424 and the rotary part 420 are initially positioned through the ring sleeve 4244, the upper part 4245 is provided with an upper blocking surface 4245, when the rotary shaft 424 is moved to a limit position, the upper blocking ring 4154 is limited to the upper blocking surface 4245, the lower blocking surface 4246 is arranged below the rotary shaft 424, and when the lower blocking surface 4246 is moved to the limit position, the lower blocking surface 4261 is adjusted, and the limit position of the rotary shaft is adjusted to the limit position of the rotary shaft 4246.
The thrombus elasticity testing device further comprises a cup withdrawing unit 500, wherein the cup withdrawing unit 500 is disposed at the lower portion of the supporting unit 100, and the cup withdrawing unit 500 is coaxially disposed with the probe 210. The cup withdrawing unit 500 further comprises a fixing shell 510, the fixing shell 510 is fastened to the lower portion of the supporting unit 100 through screws, a retainer ring 511 is fastened to the top end of the inside of the fixing shell 510, a shifting ring 512 and a cup withdrawing ring 513 which are coaxially attached up and down are arranged on the bottom end surface of the retainer ring 511, a cup withdrawing groove 514 is formed in one side of the outer wall of the fixing shell 510, a shifting rod 515 is arranged on the shifting ring 512, the cup withdrawing ring 513 is an inclined surface through the upper surface of the half side of the shifting rod 515, the shifting rod 515 is arranged in the cup withdrawing groove 514, a lower pressure spring 516 is arranged between the top end surface of the cup withdrawing ring 513 and the bottom end surface of the fixing shell 510, a guide rod 517 is arranged on the other side of the outer wall of the fixing shell 510, the guide rod 517 and the shifting rod 515 are symmetrically arranged on two sides of the shifting ring 512, and the probe 210 sequentially and coaxially penetrates the retainer ring 511, the shifting ring 512 and the cup withdrawing ring 513 from top to bottom. Cup stand unit 600 includes glass stand 610, glass stand 610 with first slide rail 121 is connected, be equipped with cup chamber 620 in the glass stand 610, the glass stand 610 bottom is equipped with collet 630, the center department cover of collet 630 has put and has moved back cup bar 640, move back the top of cup bar 640 with the up end of cup chamber 620 bottom is laminated each other, the up end of collet 630 with move back and be provided with pressure spring 650 between the lower terminal surface of cup bar 640, the coaxial cup 660 of surveying of having inlayed in the cup chamber 620, it includes cup 661 and cup 662 to survey cup 660.
The working process of the testing device is as follows:
placing the measuring cup 660 in the cup cavity 620, placing the collected blood sample in the measuring cup 660, moving the cup holder 610 with the measuring cup 660 upwards along the sliding rail and tightly attaching to the lower end surface of the fixed shell 510, pushing the cup withdrawal rod 640 upwards to enable the probe 210 to be completely inserted into the cup head 661 of the measuring cup 660, adjusting the axial pretightening force of the rotating shaft 424 by rotating the adjusting cap 4151 to enable the upper shaft plate 4152 to move downwards, starting the driving motor 340, rotating the cam 330 under the action of the driving shaft and driving the swinging rod 310 to reciprocate, enabling the rotating ring 200 to rotate therewith, driving the rotating part 420 to rotate through the hairspring 423, enabling the probe 210 fastened on the rotating part 420 to issue rotation therewith, and at the same time, enabling the probe 210 to detect the thrombus adhesion elasticity of the blood sample in the measuring cup 660, the rotation of the probe 210 is hindered by the viscoelastic force of thrombus, the change of the viscoelastic force can cause the change of the angular amplitude of the probe 210 in real time, the probe 210 and the rotating part 420 synchronously rotate, so that a mirror 421 arranged on the rotating part 420 also synchronously rotates, at the moment, the laser emitter 411 emits laser light, the laser light is reflected by the mirror 421 (the more the reflection times are set according to the test precision requirement, the higher the precision is, the more the reflector structure is complicated), the reflected light is received by the spot position sensor 412, the accurate angular rotation of the probe 210 is detected, and the data processor calculates the change pattern of the elastic force of the thrombus according to the rotation angle, so that the change of the thrombus elastic force in the blood coagulation fibrinolysis process is sensitively tested;
after the test is completed, the deflector 515 is slid downwards along the cup withdrawing groove 514 to separate the cup head 661 attached with the blood sample from the probe 210, and then the cup withdrawing rod 640 is pushed upwards by hand to eject the cup body 662 arranged in the cup cavity 620 upwards, and after the hand is released, the cup withdrawing rod 640 is reset under the action of the pressure spring 650.
Example two
The present embodiment provides a thrombus elasticity testing device, which is a double-cup type, that is, in the first embodiment, a group of cup holder units 600, sensing units 400 and swivel 200 are added to the supporting unit 100, a group of driven blocks 320 and swing rods 310 are correspondingly added to the other side of the cam 330 in the driving unit 300, and one end of the tension spring 350 fixed to the supporting unit 100 is fixed to the newly added swing rod 310 instead. The tension spring 350 has the effect of continuously pulling the swing link 310 back after the cam 330 is rotated.
By the aid of the self-driving self-feedback self-detection function of the sensing detection unit, the cup seat oscillating mechanism in the traditional scheme is omitted, the degree of freedom of the cup seat unit is reduced, the complexity of the device is greatly simplified, the positioning precision of the cup to be detected is improved, errors of a detection system are greatly reduced, and therefore the detection precision of the system is remarkably improved; the friction generated when the system rotates is reduced by the conical tip rotating shaft, so that the shock resistance of the whole device is greatly improved, and the reliability of the system and the measurement reliability are remarkably improved; the optical lever measuring mechanism is adopted, so that the measuring resolution and sensitivity of the thrombus elasticity are effectively improved, and the measuring precision is obviously improved; the device has the advantages of simple and practical structure, convenient operation and quick data processing, can meet the requirements of clinical blood coagulation detection analysis at present, and has good popularization and application values; the guide rod used in the prior art is omitted, the guide rod is a long straight shaft, the processing difficulty is high, the cost is high, and the processing time and the cost are saved; because the scheme of installing the cup holder in the slide rail by shaking the probe is adopted, complex assembly alignment between the probe and the cup holder is not needed, the automation degree of the whole instrument is greatly improved, and automatic cup feeding is possible.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. A thrombus elasticity testing device, comprising:
the support unit is horizontally arranged, a convex ring is arranged on the support unit, a first notch is arranged on the convex ring, a round hole is formed in the center of the convex ring, a vertical face is vertically fixed on the lower surface of the support unit, and a first sliding rail is arranged on the vertical face;
the rotating ring is arranged in the convex ring, the rotating ring and the convex ring are coaxially arranged, a probe is fixed at the bottom of the rotating ring, and the probe coaxially penetrates through the round hole;
the driving unit is arranged on the supporting unit and comprises a swinging rod which passes through the first notch and is fastened on the swivel, the swinging rod is connected with a driven block, the driven block is connected with a cam, and the cam is coaxially connected with a rotor of a driving motor;
a sensing detection unit arranged at the upper part of the swivel;
the sensing detection unit comprises a U-shaped base, the base is fastened on the convex ring through screws, a measuring position is arranged on the base, and a laser emitter and a light spot position sensor are arranged on the measuring position side by side; an upper through hole and a lower through hole which are coaxially aligned up and down are formed in the base, an upper shaft support is embedded in the upper through hole, an adjusting cap is arranged at the top end of the inner part of the upper shaft support, an upper shaft plate is further arranged in the upper shaft support, an upper pressure spring is arranged between the adjusting cap and the upper shaft plate, an upper baffle ring is fastened at the bottom end of the inner part of the upper shaft support, a lower shaft support is embedded in the lower through hole, a lower baffle ring and a lower shaft plate are coaxially fastened in sequence from top to bottom in the lower shaft support, and conical grooves are formed in the centers of the lower end face of the upper shaft plate and the upper end face of the lower shaft plate;
the sensing detection unit further comprises a rotation part, the rotation part is further provided with a mirror surface, the mirror surface is arranged opposite to the measuring position, a central hole is formed in the center of the rotation part, the central hole is coaxially arranged with the upper through hole and the lower through hole of the base, one end of a hairspring is fastened at the lower part of the rotation part, and the other end of the hairspring is fastened on the inner side surface of the swivel; the rotary part is internally provided with a rotary shaft, the rotary shaft is coaxially arranged in a central hole of the rotary part, the top of the rotary shaft is provided with an upper shaft tip, the upper shaft tip is propped against the upper shaft plate, the bottom of the rotary shaft is provided with a lower shaft tip, the lower shaft tip is propped against the lower shaft plate, the conical groove is matched with the upper shaft tip and the lower shaft tip, the lower part of the rotary shaft is provided with a ring groove, a ring sleeve is sleeved in the ring groove, the upper end face of the ring sleeve is attached to the end face of the rotary part, in an initial state, the rotary shaft and the rotary part are initially positioned through the ring sleeve, the upper part of the rotary shaft is provided with an upper baffle surface, when the rotary shaft moves up to a limit position, the upper baffle ring is limited to the upper baffle surface, the lower baffle surface is limited when the rotary shaft moves down to the limit position, the side end face of the rotary part is provided with an adjusting screw, and the radial positioning screw is realized;
and the cup seat unit is arranged on the first sliding rail in a sliding manner.
2. The thrombus elasticity testing device of claim 1, further comprising a cup withdrawal unit disposed at a lower portion of the support unit, the cup withdrawal unit being disposed coaxially with the probe.
3. The thrombus elasticity testing device according to claim 2, wherein the cup withdrawing unit further comprises a fixing shell, the fixing shell is fastened to the lower portion of the supporting unit through screws, a retainer ring is fastened to the top end of the inside of the fixing shell, a shifting ring and a cup withdrawing ring which are coaxially attached up and down are arranged on the bottom end surface of the retainer ring, a cup withdrawing groove is formed in one side of the outer wall of the fixing shell, a shifting rod is arranged on the shifting ring, the shifting rod is arranged in the cup withdrawing groove, a lower pressure spring is arranged between the top end surface of the cup withdrawing ring and the bottom end surface of the fixing shell, a guide rod is arranged on the other side of the outer wall of the fixing shell, the guide rod and the shifting rod are symmetrically arranged on two sides of the shifting ring, and the probe sequentially and coaxially penetrates through the retainer ring, the shifting ring and the cup withdrawing ring from top to bottom.
4. The thrombus elasticity testing device according to claim 1, wherein the cup holder unit comprises a cup holder, the cup holder is connected with the first sliding rail, a cup cavity is arranged in the cup holder, a bottom support is arranged at the bottom of the cup holder, a cup withdrawal rod is sleeved at the center of the bottom support, the top end of the cup withdrawal rod is mutually attached to the upper end face of the bottom of the cup cavity, a pressure spring is arranged between the upper end face of the bottom support and the lower end face of the cup withdrawal rod, a cup is coaxially embedded in the cup cavity, and the cup comprises a cup head and a cup body.
5. The thrombus elasticity testing device of claim 1, wherein the middle portion of the swing link is further connected with a tension spring for providing a restoring force to the swing link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797509.7A CN107505471B (en) | 2017-09-06 | 2017-09-06 | Thrombus elasticity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710797509.7A CN107505471B (en) | 2017-09-06 | 2017-09-06 | Thrombus elasticity testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107505471A CN107505471A (en) | 2017-12-22 |
| CN107505471B true CN107505471B (en) | 2023-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710797509.7A Active CN107505471B (en) | 2017-09-06 | 2017-09-06 | Thrombus elasticity testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107957499A (en) * | 2018-01-12 | 2018-04-24 | 宝锐生物科技泰州有限公司 | Thrombelastogram instrument |
| CN108445261A (en) * | 2018-03-13 | 2018-08-24 | 苏州显纳精密仪器有限公司 | A kind of microsphere lens super resolution optical scanning imaging system and its imaging method based on optical position sensitive sensors feedback |
| CN108562730A (en) * | 2018-06-19 | 2018-09-21 | 重庆南方数控设备有限责任公司 | A kind of thrombelastogram instrument detector calibration equipment |
| CN111380781A (en) * | 2019-05-25 | 2020-07-07 | 郑州普湾医疗技术有限公司 | Cam transmission mechanism and thrombelastogram instrument with same |
| CN110389211B (en) * | 2019-07-02 | 2024-03-22 | 中国科学院苏州生物医学工程技术研究所 | Hemodynamic detection device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225126B1 (en) * | 1999-02-22 | 2001-05-01 | Haemoscope Corporation | Method and apparatus for measuring hemostasis |
| US6739109B1 (en) * | 2002-12-20 | 2004-05-25 | Jui Chuan Fan | Sealing device for a disposable cup |
| CN103969459A (en) * | 2014-04-22 | 2014-08-06 | 深圳市库贝尔生物科技有限公司 | Full-automatic biochemical analysis method |
| CN104181311A (en) * | 2014-08-22 | 2014-12-03 | 中国科学院苏州生物医学工程技术研究所 | Thrombus elasticity testing device |
| CN104614539A (en) * | 2013-11-05 | 2015-05-13 | 北京乐普医疗科技有限责任公司 | Thrombelastogram instrument |
| CN207301089U (en) * | 2017-09-06 | 2018-05-01 | 中国科学院苏州生物医学工程技术研究所 | Thrombus elasticity testing device |
-
2017
- 2017-09-06 CN CN201710797509.7A patent/CN107505471B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6225126B1 (en) * | 1999-02-22 | 2001-05-01 | Haemoscope Corporation | Method and apparatus for measuring hemostasis |
| US6739109B1 (en) * | 2002-12-20 | 2004-05-25 | Jui Chuan Fan | Sealing device for a disposable cup |
| CN104614539A (en) * | 2013-11-05 | 2015-05-13 | 北京乐普医疗科技有限责任公司 | Thrombelastogram instrument |
| CN103969459A (en) * | 2014-04-22 | 2014-08-06 | 深圳市库贝尔生物科技有限公司 | Full-automatic biochemical analysis method |
| CN104181311A (en) * | 2014-08-22 | 2014-12-03 | 中国科学院苏州生物医学工程技术研究所 | Thrombus elasticity testing device |
| CN207301089U (en) * | 2017-09-06 | 2018-05-01 | 中国科学院苏州生物医学工程技术研究所 | Thrombus elasticity testing device |
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