CN117329995A - Medical catheter concentricity detection device and method - Google Patents
Medical catheter concentricity detection device and method Download PDFInfo
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- CN117329995A CN117329995A CN202311415401.9A CN202311415401A CN117329995A CN 117329995 A CN117329995 A CN 117329995A CN 202311415401 A CN202311415401 A CN 202311415401A CN 117329995 A CN117329995 A CN 117329995A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims description 19
- 210000001503 joint Anatomy 0.000 claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims description 60
- 230000000087 stabilizing effect Effects 0.000 claims description 34
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B11/272—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes using photoelectric detection means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of catheter concentricity detection, and discloses a medical catheter concentricity detection device which comprises a bottom plate and a support assembly, wherein the support assembly is welded on the bottom plate, and a clamping plate for fixing a medical catheter is arranged on one side of the support assembly. According to the invention, if the contact assembly rotates along the surface of the medical catheter, the ball drives the detection rod to move up and down at the moment if the surface of the medical catheter is concave or convex, and meanwhile, the telescopic rod, the first butt joint plate and the second butt joint plate are driven to pull one end of the laser generator, the laser generator respectively extrudes the spring telescopic rod, the laser generator emitted by the laser generator deflects and irradiates on the transparent PP plate, the laser generator is blocked by the baffle, and the transparent PP plate generates red light, so that the concentricity of the medical catheter can be detected by observing whether the transparent PP plate emits light, a manual adjustment detection device is reduced, and the accuracy of concentricity detection data of the medical catheter is improved.
Description
Technical Field
The invention belongs to the technical field of catheter concentricity detection, and particularly relates to a device and a method for detecting the concentricity of a medical catheter.
Background
Concentricity and the degree of deviation of the circle center are special forms of coaxiality. The guide sheath is a thin tubular object which is sleeved around a catheter or the like and is easy to insert or guide to a required position, concentricity of the thin tubular object is required to be detected by sampling in the current guide sheath production process, whether the guide sheath production meets the generation requirement or not is checked, the concentricity detector of the traditional guide sheath needs to manually place a workpiece on a workpiece support during measurement, and then a three-dimensional translation table is adjusted to enable a lens to be coaxial with an inner hole of the workpiece, the workpiece is required to be manually placed and removed in each measurement process, the measurement efficiency is low, the precision and accuracy of workpiece placement are influenced by the proficiency and operation experience of manual operation, and instability and deviation of a measurement result are likely to exist.
Disclosure of Invention
In order to solve the problems in the background technology, the invention provides a device and a method for detecting the concentricity of a medical catheter, which solve the problems that the existing concentricity detector of a guiding sheath needs to manually place a workpiece on a workpiece support during measurement, then adjust a three-dimensional translation table to enable a lens to be coaxial with an inner hole of the workpiece, manually place the workpiece and take down the workpiece in each measurement process, the measurement efficiency is low, the precision and the accuracy of the workpiece placement are influenced by the manual operation proficiency and operation experience, and the measurement result has instability and deviation.
In order to achieve the above purpose, the present invention provides the following technical solutions: the medical catheter concentricity detection device comprises a bottom plate and a support assembly, wherein the support assembly is welded on the bottom plate, is arranged on one side of the support assembly and is used for fixing a clamping plate of a medical catheter, and is arranged on the other side of the support assembly and is used for supporting a stabilizing assembly of the medical catheter;
the driving assembly is clamped in the supporting assembly and used for driving the contact assembly to detect the concentricity of the outer diameter of the medical catheter;
the contact assembly comprises a detection rod sleeved outside the driving assembly, a ball arranged at the bottom of the detection rod and used for improving the sliding stability of the detection rod, and a second spring sleeved outside the detection rod enables the ball to be always in contact with the surface of the medical catheter;
the clamping plate mid-mounting has spring telescopic link and laser generator, the telescopic link has been fixed to the measuring rod outside, first butt joint board has been cup jointed to telescopic link one end, the outside cover of laser generator is equipped with the second butt joint board, and the length makes laser generator be in the horizontality all the time between first butt joint board and the second butt joint board through detecting the medical pipe control of different footpath value.
Preferably, the support assembly comprises a support frame mounted on the top of the bottom plate, and a guide gear arranged outside the support frame and used for guiding the driving assembly.
Preferably, the driving assembly comprises a first driving ring sleeved in the support frame, a motor fixedly arranged on the side part of the first driving ring, a transmission shaft connected to an output shaft of the motor and penetrating through the first driving ring, and a second driving ring clamped in the clamping plate;
and a transmission gear meshed with the guide gear is arranged outside the transmission shaft, and the contact assembly and the transmission shaft rotate along the outer part of the guide gear through rotation of the transmission gear.
Preferably, the outside of the transmission shaft is provided with a reciprocating thread, the external thread of the transmission shaft is sleeved with a transmission plate, and the side part of the first transmission ring is fixedly provided with a guide plate limiting the transmission plate;
the drive plate reciprocates along the surface of the drive shaft under the limit of the guide plate.
Preferably, the transmission shaft and the guide plate are of telescopic sleeve structures, and the other end of the transmission shaft is connected with the side part of the second transmission ring.
Preferably, the stabilizing component comprises a supporting plate hinged in the middle of the supporting frame in an annular array for limiting and supporting the medical catheter, and elastic ropes connected between two adjacent supporting plates for resetting;
the side part of the support frame is provided with a first spring in an annular array, and the fixing plate is connected to the side part of the first spring.
Preferably, the fixing plate penetrates through one end of the supporting plate and is in contact with the outer wall of the supporting plate, the supporting plate is pulled towards one end, one end of the supporting plate loses extrusion force, and the other end of the supporting plate reduces the inner diameter value under the action of the tension force of the elastic rope.
Preferably, the transparent PP plate is arranged in the middle of the fixing plate, a circular hole is formed in the middle of the transparent PP plate, and the laser generator emits laser to penetrate through the circular hole and the transparent PP plate does not emit light.
Preferably, the baffle is installed to transparent PP board lateral part, contact assembly detects that medical pipe concentricity appears shifting, drives laser generator skew and makes the laser generator who sends shine on the transparent PP board under the blocking of baffle, and transparent PP board appears luminous phenomenon can be to the judgement of medical pipe concentricity.
The invention also discloses a medical catheter concentricity detection method, which comprises the following steps:
s1, pulling the clamping plate and the stabilizing assembly to sleeve the medical catheter outside the stabilizing assembly, supporting and fixing the medical catheter through the stabilizing assembly and the clamping plate, and simultaneously enabling the bottom of the ball to be in contact with the outer wall of the medical catheter;
s2, starting a driving assembly to rotate along the outside of the supporting assembly, driving a detection rod and a ball to move in the moving process of the driving assembly, driving a first butt joint plate and a second butt joint plate to rotate by taking the ball as a center shaft through a telescopic rod, and starting a laser generator to emit the laser generator, wherein the laser generator penetrates through the stabilizing assembly;
s3, when the outer diameter of the medical catheter is concave or convex, the detection rod drives the telescopic rod, the first butt joint plate and the second butt joint plate at the moment to pull one end of the laser generator, so that the laser generator emitted by the laser generator irradiates to deviate, the laser irradiates onto the stabilizing assembly, the stabilizing assembly emits light, and the concentricity of the outer diameter of the medical catheter can be judged by penetrating through the stabilizing assembly.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the contact assembly rotates along the surface of the medical catheter, if the surface of the medical catheter is concave or convex, at the moment, the ball drives the detection rod to move up and down, and meanwhile, the telescopic rod, the first butt joint plate and the second butt joint plate are driven to pull one end of the laser generator, the laser generator respectively extrudes the spring telescopic rod, the laser generator emitted by the laser generator is deflected and irradiates on the transparent PP plate, the laser generator is blocked by the baffle, and the transparent PP plate generates red light, so that the concentricity of the medical catheter can be detected by observing whether the transparent PP plate emits light, a manual adjustment detection device is reduced, and the accuracy of concentricity detection data of the medical catheter is improved;
according to the invention, the fixing plate is pulled to the other end, the first spring is stretched, one end of the supporting plate gathers towards the middle part under the pulling force of the elastic rope, the distance between the supporting plates is reduced, the medical catheter is sleeved outside the supporting plate, the fixing plate is loosened, the first spring is reset to pull the fixing plate to extrude the other end of the supporting plate, the supporting plate is hinged to rotate one end to be spread all around, one end of the supporting plate is contacted with the inner wall of the catheter, the catheter is supported and fixed, the clamping plate is loosened to pull the clamping plate to reset through the spring telescopic rod to fix the medical catheter, and meanwhile, the medical catheter is always positioned at the center position of the detection device through the supporting plate, so that the accuracy of the concentricity detection data of the medical catheter is improved;
according to the medical catheter, the fixing plate is pulled to the other end, the first spring is pulled, one end of the supporting plate gathers towards the middle under the pulling force of the elastic rope, the distance between the supporting plates is reduced, the medical catheter can be sleeved outside the supporting plate, meanwhile, the ball is in contact with the outside of the medical catheter, the second spring is compressed, meanwhile, the first abutting plate and the second abutting plate are pulled through the telescopic rod to increase the length, so that the laser generator is always kept in a horizontal state with the transparent PP plate, and the medical catheters with different outer diameter values can be fixed and detected in concentricity.
Drawings
FIG. 1 is a schematic view of the overall appearance of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the present invention at A in FIG. 3;
FIG. 4 is an exploded view of the structurally stable component of the present invention;
FIG. 5 is a schematic view of the mating of the structural drive assembly and contact assembly of the present invention;
FIG. 6 is a schematic diagram of the cooperation of the structural drive assembly and the support assembly according to the present invention;
FIG. 7 is an exploded view of the structural contact assembly of the present invention;
fig. 8 is a schematic view of the structural contact assembly of the present invention.
In the figure: 100. a bottom plate; 200. a stabilizing assembly; 201. a fixing plate; 202. a transparent PP plate; 203. a baffle; 204. a first spring; 211. a support plate; 212. an elastic rope; 300. a support assembly; 301. a support frame; 302. a guide gear; 400. a drive assembly; 401. a motor; 402. a first drive ring; 403. a drive plate; 404. a guide plate; 405. a transmission shaft; 406. a transmission gear; 407. a second drive ring; 500. a contact assembly; 501. a detection rod; 502. a telescopic rod; 503. a ball; 504. a second spring; 511. a first butt plate; 512. a second butt plate; 513. a laser generator; 515. a spring telescoping rod; 600. and a clamping plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 8, the present invention provides a concentricity detection device for a medical catheter, comprising a base plate 100, and further comprising a support assembly 300, wherein the support assembly 300 is welded on the base plate 100, a clamping plate 600 for fixing the medical catheter is installed on one side of the support assembly 300, and a stabilizing assembly 200 for supporting the medical catheter is installed on the other side of the support assembly 300;
the driving assembly 400 is clamped inside the supporting assembly 300 and used for driving the contact assembly 500 to detect the concentricity of the outer diameter of the medical catheter;
the contact assembly 500 comprises a detection rod 501 sleeved outside the driving assembly 400, a ball 503 arranged at the bottom of the detection rod 501 and used for improving the sliding stability of the detection rod 501, and a second spring 504 sleeved outside the detection rod 501 so that the ball 503 is always in contact with the surface of the medical catheter;
the clamping plate 600 mid-mounting has spring telescopic link 515 and laser generator 513, and the telescopic link 502 has been fixed to the outside of measuring rod 501, and first butt joint board 511 has been cup jointed to telescopic link 502 one end, and the outside cover of laser generator 513 is equipped with second butt joint board 512, and the length makes laser generator 513 be in the horizontality all the time between measuring different diameter value medical catheter control first butt joint board 511 and the second butt joint board 512.
Firstly, a medical catheter is fixed outside a stabilizing assembly 200 and supported and fixed through a clamping plate 600, a ball 503 is contacted with the surface of the medical catheter, and the lengths of a first butt joint plate 511 and a second butt joint plate 512 are pulled through a detection rod 501 and a telescopic rod 502, so that a laser generator 513 is always positioned on the central axis of the medical catheter, the first butt joint plate 511 and the second butt joint plate 512 are fixed through a screw rod, the contact assembly 500 is driven to rotate along the surface of the medical catheter through a driving assembly 400, and the concentricity of the outer diameter of the catheter is detected in the rotating process;
if the surface of the medical catheter is concave or convex, the ball 503 drives the detecting rod 501 to move up and down, and simultaneously drives the telescopic rod 502, the first abutting plate 511 and the second abutting plate 512 to pull one end of the laser generator 513, the laser generator 513 respectively extrudes the spring telescopic rod 515, the laser generator emitted by the laser generator 513 is deflected, the laser irradiates the stabilizing assembly 200, the stabilizing assembly 200 emits bright light, and the concentricity of the outer diameter of the medical catheter can be determined by penetrating the stabilizing assembly 200.
As shown in fig. 4, 5 and 6, the support assembly 300 includes a support frame 301 mounted on the top of the base plate 100, and a guide gear 302 provided outside the support frame 301 for guiding the driving assembly 400;
the driving assembly 400 comprises a first driving ring 402 sleeved in the support frame 301, a motor 401 fixedly arranged on the side part of the first driving ring 402, a transmission shaft 405 connected to the output shaft of the motor 401 and penetrating through the first driving ring 402, and a second driving ring 407 clamped in the clamping plate 600;
externally mounted to the drive shaft 405 is a drive gear 406 that meshes with the guide gear 302, and the contact assembly 500 and the drive shaft 405 rotate along the exterior of the guide gear 302 via rotation of the drive gear 406.
The transmission shaft 405 and the transmission plate 403 are driven to rotate by the starting motor 401, the transmission plate 403 rotates along the surface of the guide gear 302, and meanwhile, the transmission plate 403, the detection rod 501, the telescopic rod 502, the first butt joint plate 511 and the second butt joint plate 512 are driven to rotate by taking the laser generator 513 as a central axis, and meanwhile, the bottom of the ball 503 is contacted with the surface of the catheter, so that the ball 503 rotates along the surface of the medical catheter to detect the concentricity of the outer diameter of the catheter.
As shown in fig. 2, 5, 6, 7 and 8, the outside of the transmission shaft 405 is provided with a reciprocating thread, the external thread of the transmission shaft 405 is sleeved with a transmission plate 403, and the side part of the first transmission ring 402 is fixedly provided with a guide plate 404 limiting the transmission plate 403;
the drive plate 403 reciprocates along the surface of the drive shaft 405 under the limit of the guide plate 404;
the transmission shaft 405 and the guide plate 404 are in a telescopic sleeve structure, and the other end is connected with the side part of the second transmission ring 407.
The medical catheter is sleeved outside the stabilizing assembly 200 by pulling the clamping plate 600, the second driving ring 407 is driven to stretch the transmission shaft 405 and the guide plate 404 in the process of pulling the clamping plate 600, the medical catheter can be fixed outside the stabilizing assembly 200, the motor 401 drives the transmission shaft 405 to rotate, the transmission plate 403 moves under the action of the reciprocating thread groove outside the transmission shaft 405, and meanwhile, the detection rod 501 is driven to move, so that the outer diameter concentricity of the medical catheter can be comprehensively detected, and the accuracy of the concentricity detection data of the medical catheter can be improved.
As shown in fig. 3 and 4, the stabilizing assembly 200 comprises a support plate 211 hinged in the middle of a support frame 301 in an annular array for limiting and supporting a medical catheter, and a bungee cord 212 connected between two adjacent support plates 211 for resetting;
the side part of the supporting frame 301 is provided with a first spring 204 in an annular array, and a fixed plate 201 connected to the side part of the first spring 204;
the fixing plate 201 penetrates one end of the supporting plate 211 and contacts with the outer wall thereof, and the supporting plate 211 reduces the inner diameter value by pulling the fixing plate 201 toward one end, and the other end of the supporting plate 211 loses the pressing force under the action of the tension force of the elastic rope 212.
Through pulling grip block 600 to one end, pulling fixed plate 201 to the other end, and tensile first spring 204, backup pad 211 one end gathers to the middle part under the pulling force of bungee 212, the interval reduces between the backup pad 211, cup joint medical catheter in the backup pad 211 outside, loosen fixed plate 201, first spring 204 resets and pulls fixed plate 201 and extrudees the other end of backup pad 211, backup pad 211 rotates one end to strut all around with articulated department, one end through backup pad 211 and catheter inner wall contact, and support fixedly to the catheter, loosen grip block 600 simultaneously, it fixes to pull grip block 600 reset to medical catheter through the spring telescopic link.
As shown in fig. 2 and 3, a transparent PP plate 202 is installed in the middle of the fixing plate 201, a circular hole is formed in the middle of the transparent PP plate 202, and the laser generator 513 emits the laser and does not emit light when penetrating the transparent PP plate 202 with the circular hole;
the baffle 203 is installed on the side of the transparent PP plate 202, the contact assembly 500 detects that the concentricity of the medical catheter is deviated, and drives the laser generator 513 to deviate, so that the emitted laser generator irradiates the transparent PP plate 202, and under the blocking of the baffle 203, the transparent PP plate 202 emits light, so that the concentricity of the medical catheter can be judged.
Starting a laser generator 513 to emit the laser generator, meanwhile, the laser generator penetrates through a circular hole in the middle of the transparent PP plate 202, the transmission plate 403 is pushed to move under the action of external threads, as the bottom of the ball 503 is in contact with the surface of a moving catheter, the detection rod 501 follows the transmission gear 406 to rotate along the surface of the guide gear 302, and simultaneously follows the transmission plate 403 to move along the outside of the transmission shaft 405, the detection rod 501 drives the telescopic rod 502, the first butt joint plate 511 and the second butt joint plate 512 to rotate along the surface of the medical catheter, the second butt joint plate 512 takes the laser generator 513 as a central axis to rotate, if the surface of the medical catheter is concave or convex, the ball 503 drives the detection rod 501 to move up and down, meanwhile, one ends of the telescopic rod 502, the first butt joint plate 511 and the second butt joint plate 512 pull the laser generator 513 are driven, the laser generator 513 is extruded by the spring telescopic rod 515 respectively, the laser generator 513 is deflected and irradiates the transparent PP plate 202, the transparent PP plate 202 is blocked by the baffle 203, and the transparent PP plate 202 is subjected to red light, so that the medical catheter can be detected by observing whether the transparent PP plate 202 emits light or not.
The invention also provides a medical catheter concentricity detection method, which comprises the following steps:
s1, pulling the clamping plate 600 and the stabilizing assembly 200 to sleeve the medical catheter outside the stabilizing assembly 200, supporting and fixing the medical catheter through the stabilizing assembly 200 and the clamping plate 600, and simultaneously, contacting the bottom of the ball 503 with the outer wall of the medical catheter;
s2, starting the driving assembly 400 to rotate along the outside of the supporting assembly 300, driving the detecting rod 501 and the ball 503 to move in the moving process of the driving assembly 400, driving the first butt joint plate 511 and the second butt joint plate 512 to rotate by taking the ball 503 as a central axis through the telescopic rod 502, and starting the laser generator 513 to emit the laser generator, wherein the laser generator penetrates through the stabilizing assembly 200;
s3, when the outer diameter of the medical catheter is concave or convex, the detection rod 501 drives the telescopic rod 502, the first butt joint plate 511 and the second butt joint plate 512 to pull one end of the laser generator 513, so that the laser generator emitted by the laser generator 513 irradiates to deviate, laser irradiates onto the stabilizing assembly 200, the stabilizing assembly 200 emits light, and the concentricity of the outer diameter of the medical catheter can be judged by penetrating through the stabilizing assembly 200.
The working principle and the using flow of the invention are as follows:
the clamping plate 600 is pulled to one end, the fixing plate 201 is pulled to the other end, the first spring 204 is pulled, one end of the supporting plate 211 gathers towards the middle under the pulling force of the elastic rope 212, the space between the supporting plates 211 is reduced, the medical catheter is sleeved outside the supporting plate 211, the fixing plate 201 is loosened, the first spring 204 is reset to pull the fixing plate 201 to squeeze the other end of the supporting plate 211, one end of the supporting plate 211 rotates to prop up all around at the hinging position, one end of the supporting plate 211 is contacted with the inner wall of the catheter and supports and fixes the catheter, meanwhile, the clamping plate 600 is loosened, and the clamping plate 600 is pulled to reset through the spring telescopic rod to fix the medical catheter;
simultaneously, the ball 503 contacts with the surface of the medical catheter, the length of the first butt joint plate 511 and the second butt joint plate 512 is pulled by the detection rod 501 and the telescopic rod 502, so that the laser generator 513 is always positioned on the central shaft of the medical catheter, the first butt joint plate 511 and the second butt joint plate 512 are fixed by virtue of the screw rod, the starting motor 401 drives the transmission shaft 405 and the transmission gear 406 to rotate, the transmission gear 406 moves along the surface of the guide gear 302 in the rotating process, and simultaneously drives the first transmission ring 402 and the contact assembly 500 to rotate;
in the process of rotating the transmission shaft 405, the laser generator 513 is started to emit the laser generator, meanwhile, the laser generator penetrates through a circular hole in the middle of the transparent PP plate 202, the transmission plate 403 is pushed to move under the action of external threads, as the bottom of the ball 503 is in contact with the surface of the movable catheter, the detection rod 501 follows the transmission gear 406 to rotate along the surface of the guide gear 302, and meanwhile, the transmission plate 403 follows the transmission shaft 405 to move outside, the detection rod 501 is driven to rotate along the surface of the medical catheter in the process of rotating the transmission shaft 405, the telescopic rod 502, the first butt joint plate 511 and the second butt joint plate 512 are driven to rotate by taking the laser generator 513 as a central axis, if the surface of the medical catheter is concave or convex, the ball 503 drives the detection rod 501 to move up and down, meanwhile, the telescopic rod 502, the first butt joint plate 511 and the second butt joint plate 512 are driven to pull one end of the laser generator 513, the laser generator 513 is respectively extruded to the spring telescopic rod 515, the laser generator 513 is offset and irradiates on the transparent PP plate 202, the transparent PP plate 202 is blocked by the baffle 203, and the transparent PP plate 202 is enabled to emit red light, and the medical catheter can be detected by observing whether the transparent PP plate 202 is concentric.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A medical catheter concentricity detection device comprising a base plate (100), characterized in that: the medical catheter fixing device further comprises a supporting component (300), wherein the supporting component (300) is welded on the bottom plate (100), a clamping plate (600) is arranged on one side of the supporting component (300) and used for fixing the medical catheter, and a stabilizing component (200) is arranged on the other side of the supporting component (300) and used for supporting the medical catheter; the driving assembly (400) is clamped inside the supporting assembly (300) and used for driving the contact assembly (500) to detect the concentricity of the outer diameter of the medical catheter; the contact assembly (500) comprises a detection rod (501) sleeved outside the driving assembly (400), a ball (503) arranged at the bottom of the detection rod (501) and used for improving the sliding stability of the detection rod (501), and a second spring (504) sleeved outside the detection rod (501) so that the ball (503) is always in contact with the surface of the medical catheter; the utility model discloses a laser generator, including grip block (600) and detection pole (501), grip block (600) mid-mounting has spring telescopic link (515) and laser generator (513), detection pole (501) outside has fixed telescopic link (502), first butt joint board (511) have been cup jointed to telescopic link (502) one end, the outside cover of laser generator (513) is equipped with second butt joint board (512), the butt joint length of first butt joint board (511) and second butt joint board (512) is controlled according to the medical pipe of different footpath values makes laser generator (513) be in the horizontality all the time.
2. The medical catheter concentricity detection device according to claim 1, wherein: the support assembly (300) comprises a support frame (301) arranged on the top of the bottom plate (100), and a guide gear (302) arranged outside the support frame (301) and used for guiding the driving assembly (400).
3. The medical catheter concentricity apparatus according to claim 2, wherein: the driving assembly (400) comprises a first driving ring (402) sleeved inside the supporting frame (301), a motor (401) fixedly arranged on the side part of the first driving ring (402), a transmission shaft (405) connected to an output shaft of the motor (401) and penetrating through the first driving ring (402), and a second driving ring (407) is clamped inside the clamping plate (600); the transmission shaft (405) is externally provided with a transmission gear (406) meshed with the guide gear (302), and the contact assembly (500) and the transmission shaft (405) rotate along the outside of the guide gear (302) through the rotation of the transmission gear (406).
4. A medical catheter concentricity apparatus as claimed in claim 3, wherein: the outside of the transmission shaft (405) is provided with a reciprocating thread, the external thread of the transmission shaft (405) is sheathed with a transmission plate (403), and the side part of the first transmission ring (402) is fixedly provided with a guide plate (404) limiting the transmission plate (403); the transmission plate (403) reciprocates along the surface of the transmission shaft (405) under the limit of the guide plate (404).
5. The medical catheter concentricity apparatus according to claim 4, wherein: the transmission shaft (405) and the guide plate (404) are of telescopic sleeve structures, and the other end of the transmission shaft is connected with the side part of the second transmission ring (407).
6. The medical catheter concentricity apparatus according to claim 2, wherein: the stabilizing assembly (200) comprises a supporting plate (211) hinged in the middle of the supporting frame (301) in an annular array for limiting and supporting the medical catheter, and elastic ropes (212) connected between two adjacent supporting plates (211) for resetting; the side part of the support frame (301) is provided with a first spring (204) in an annular array, and the fixing plate (201) is connected to the side part of the first spring (204).
7. The medical catheter concentricity apparatus according to claim 6, wherein: the fixed plate (201) penetrates through one end of the supporting plate (211) and is in contact with the outer wall of the supporting plate, the supporting plate (211) is pulled towards one end of the fixed plate (201), one end of the supporting plate (211) loses extrusion force, and the other end of the supporting plate reduces the inner diameter value under the action of the tension force of the elastic rope (212).
8. The medical catheter concentricity apparatus according to claim 6, wherein: the transparent PP plate (202) is arranged in the middle of the fixing plate (201), a circular hole is formed in the middle of the transparent PP plate (202), and the laser generator (513) emits laser to penetrate through the circular hole, and the transparent PP plate (202) does not emit light.
9. The medical catheter concentricity detection device according to claim 8, wherein: the baffle (203) is installed to transparent PP board (202) lateral part, contact assembly (500) detects that medical pipe concentricity appears shifting, drives laser generator (513) skew and makes the laser generator who sends shine on transparent PP board (202) under the blocking of baffle (203), and transparent PP board (202) appears luminous phenomenon can be to the judgement of medical pipe concentricity.
10. A method for detecting concentricity of a medical catheter using the device for detecting concentricity of a medical catheter according to claim 1, comprising the steps of:
s1, pulling a clamping plate (600) and a stabilizing assembly (200) to sleeve a medical catheter outside the stabilizing assembly (200), supporting and fixing the medical catheter through the stabilizing assembly (200) and the clamping plate (600), and simultaneously enabling the bottom of a ball (503) to be in contact with the outer wall of the medical catheter;
s2, starting the driving assembly (400) to rotate along the outside of the supporting assembly (300), driving the detecting rod (501) and the ball (503) to move in the moving process of the driving assembly (400), driving the first butt joint plate (511) and the second butt joint plate (512) to rotate by taking the ball (503) as a central axis through the telescopic rod (502), and starting the laser generator (513) to emit the laser generator, wherein the laser generator penetrates through the stabilizing assembly (200);
s3, when the outer diameter of the medical catheter is concave or convex, the detection rod (501) drives the telescopic rod (502), the first butt joint plate (511) and the second butt joint plate (512) to pull one end of the laser generator (513), so that the laser generator emitted by the laser generator (513) irradiates to deviate, laser irradiates to the stabilizing assembly (200), the stabilizing assembly (200) emits light, and the concentricity of the outer diameter of the medical catheter can be judged by penetrating through the stabilizing assembly (200).
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