CN110940553B - Femoral head cartilage sampler for electric experiment - Google Patents
Femoral head cartilage sampler for electric experiment Download PDFInfo
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- CN110940553B CN110940553B CN201911331643.3A CN201911331643A CN110940553B CN 110940553 B CN110940553 B CN 110940553B CN 201911331643 A CN201911331643 A CN 201911331643A CN 110940553 B CN110940553 B CN 110940553B
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- scraper
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- 210000000845 cartilage Anatomy 0.000 title claims abstract description 40
- 238000003825 pressing Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 3
- 210000001519 tissue Anatomy 0.000 description 16
- 230000006835 compression Effects 0.000 description 15
- 238000007906 compression Methods 0.000 description 15
- 238000005520 cutting process Methods 0.000 description 15
- 230000009471 action Effects 0.000 description 7
- 239000012634 fragment Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000005065 subchondral bone plate Anatomy 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a femoral head cartilage sampler for an electric experiment, which effectively solves the problems of low efficiency and low sample quality of the conventional femoral head cartilage artificial sampling; the technical scheme for solving the problem is that the scraper device comprises a main body shell, wherein a fixing cylinder which is through up and down is rotationally connected in the main body shell, and a scraper is fixedly connected in the fixing cylinder; the upper end of the main body shell is connected with an outer adjusting sleeve in a left-right sliding mode, the outer adjusting sleeve can be adjusted in position and fixed through a combined nut meshed with external threads of the outer adjusting sleeve, an inner pressing sleeve is meshed with internal threads of the outer adjusting sleeve, and the lower end of the inner pressing sleeve is coaxially and integrally connected with a flexible clamping port; the bottom surface of the fixed cylinder is provided with an annular through hole surrounding the scraper; a vent hole is formed in one side of the supporting cylinder, and a fan fixedly connected in the main body shell is arranged in the vent hole; compared with the traditional sampling process, the method can shorten the sampling time, improve the quality of cartilage, increase the success rate of subsequent experiments, and has strong practicability.
Description
Technical Field
The invention relates to the technical field of medical experiment sampling tools, in particular to a femoral head cartilage sampler for an electric experiment.
Background
The femoral head is an important source of experimental cartilage materials, however, the acquisition of the femoral head cartilage is always a difficult point of experiments, no special equipment is available for acquiring the cartilage at the present stage, and although the experimental cartilage is quite precious, the material acquisition efficiency and quality are relatively low, so that the subsequent experiments are often failed, and the experiment progress is slow. At present, a single cartilage needs to be taken for several hours, the activity of the obtained cartilage tissue is low, the cell content is low, and the failure rate of subsequent experiments is high.
Therefore, the invention provides a femoral head cartilage sampler for electric experiments to solve the problem.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the femoral head cartilage sampler for the electric experiment, which effectively solves the problems of low efficiency and low sample quality of the conventional artificial femoral head cartilage sampling.
The scraper type water-saving cleaning device comprises a main body shell, wherein a fixing cylinder which is through up and down is rotatably connected in the main body shell, and a scraper is fixedly connected in the fixing cylinder;
the upper end of the main body shell is connected with an outer adjusting sleeve in a left-right sliding mode, the outer adjusting sleeve can be adjusted in position and fixed through a combined nut meshed with external threads of the outer adjusting sleeve, an inner pressing sleeve is meshed with internal threads of the outer adjusting sleeve, and the lower end of the inner pressing sleeve is coaxially and integrally connected with a flexible clamping port;
the bottom surface of the fixed cylinder is provided with an annular through hole surrounding the scraper;
a supporting cylinder is fixedly connected to the bottom surface inside the main body shell, a vent hole is formed in one side of the supporting cylinder, and a fan fixedly connected into the main body shell is arranged in the vent hole;
the upper end of the main body shell is provided with a lofting opening, an arc-shaped sliding rail fixedly connected with the main body shell is arranged above the lofting opening, and the arc-shaped sliding rail is connected with the outer adjusting sleeve in a sliding manner;
the combined nut comprises a lower nut which is detachably sleeved at the lower end of the outer adjusting sleeve and an upper nut which is sleeved outside the outer adjusting sleeve in a threaded manner, and the upper nut is positioned above the lower nut;
the arc-shaped sliding rail is formed by two arc-shaped plates fixedly connected to two sides of the lofting opening, and the outer adjusting sleeve is arranged between the two arc-shaped plates; the upper nut is arranged above the arc-shaped plate, and the lower nut is arranged below the arc-shaped plate.
Preferably, the lower part of the upper nut and the upper part of the lower nut are both provided with washers sleeved outside the outer adjusting sleeve.
Preferably, the lower end of the outer adjusting sleeve is coaxially and integrally connected with a clamping wedge-shaped ring, the inner wall of the clamping wedge-shaped ring is an inclined surface, and the inner diameter of the upper end surface of the clamping wedge-shaped ring is larger than the inner diameter of the lower end surface;
the outer side wall of the clamping opening is an inclined surface and can be attached to the inner wall of the clamping wedge-shaped ring;
the side wall of the clamping opening is provided with a movable through groove.
Preferably, the fixed cylinder is rotatably connected in the supporting cylinder, and the fixed cylinder is connected with a driving motor fixedly connected in the main body shell.
Preferably, the support cylinder is sleeved with a ball bearing, the ball bearing inner ring is fixedly connected with the support cylinder, and the ball bearing outer ring is fixedly connected with the fixed cylinder;
the outer side wall of the outer ring of the ball bearing is uniformly and fixedly connected with a plurality of teeth, the output shaft of the driving motor is coaxially and fixedly connected with a driving gear, and the driving gear is meshed with the teeth of the outer ring of the ball bearing.
Preferably, the lower end of the fixed cylinder is slidably connected with two oppositely arranged scraper lower seats, the two scraper lower seats are respectively and fixedly connected with the scrapers, the upper end of the fixed cylinder is slidably connected with two oppositely arranged scraper upper seats, and the two scrapers are respectively and slidably connected in the two scraper upper seats;
the scraper knife back is fixedly connected with an L-shaped plate with an opening facing the direction of the knife edge, a wheel carrier extends along the direction of the knife edge on the scraper knife back, a guide wheel is rotatably connected on the wheel carrier, and the lower edge of the guide wheel is higher than the knife edge;
the two scraper upper seats and the two scraper lower seats are connected with the fixed cylinder through springs.
Preferably, the lower end of the supporting cylinder is provided with a tray which is connected in the main body shell in a sliding way.
The invention makes improvement aiming at the problems of low efficiency and low sample quality of the existing artificial femoral head cartilage sampling, and the femoral head specimen can be clamped by matching the inner sleeve and the outer sleeve with the clamping wedge ring and the clamping port; the position of the sample can be adjusted through the combined nut, so that the cutting depth can be adjusted, the subchondral bone pollution is avoided, the angle of the swing femoral head sample can be adjusted, the cutting position is changed, and the sampling requirements of different positions are met; the scraper is made of flexible metal materials, so that the scraper can be tightly attached to the surface of the specimen for better cutting; compared with the traditional sampling process, the method can shorten the sampling time, improve the quality of cartilage, increase the success rate of subsequent experiments, and has strong practicability.
Drawings
Fig. 1 is a perspective view of the present invention.
FIG. 2 is a schematic front view of the present invention.
FIG. 3 is a schematic top view of the present invention.
FIG. 4 is a schematic cross-sectional view of the present invention.
Fig. 5 is a perspective view of the internal compression sleeve and its related structure according to the present invention.
Fig. 6 is a perspective view of the fixing cylinder and its related structure.
Fig. 7 is a perspective view of the scraper of the present invention.
Detailed Description
The foregoing and other aspects, features and advantages of the invention will be apparent from the following more particular description of embodiments of the invention, as illustrated in the accompanying drawings in which reference is made to figures 1 to 7. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The embodiment I is a femoral head cartilage sampler for an electric experiment, which is characterized by comprising a main body shell 1, wherein the main body shell 1 is a hollow shell, a fixing cylinder 2 which is through up and down is rotatably connected in the main body shell 1, a scraper 3 is fixedly connected in the fixing cylinder 2, one end of a soft bone of a femoral head can be placed beside the scraper 3 in the fixing cylinder 2, and the fixing cylinder 2 rotates to drive the scraper 3 to rotate, so that cartilage tissues are cut off;
the upper end of the main body shell 1 is connected with an outer adjusting sleeve 4 in a left-right sliding manner, the outer adjusting sleeve 4 can be adjusted and fixed by a combined nut engaged with external threads, an inner compression sleeve 5 is engaged with internal threads of the outer adjusting sleeve 4, when the outer adjusting sleeve 4 is fixed, the inner compression sleeve 5 can be rotated to realize the up-and-down movement of the inner compression sleeve 5, the lower end of the inner compression sleeve 5 is coaxially and integrally connected with a flexible clamping opening 6, a femoral head can be placed in the inner compression sleeve 5 and clamped by the clamping opening 6, the cartilage of the femoral head is positioned below the clamping opening 6, it needs to be noted that when the middle part of the femoral head is clamped by the inner compression sleeve 5, the upper part of the femoral head is not suspended, the upper part is still contacted with the inner side wall of the inner compression sleeve 5, the function is to position the femoral head, and the main stress point for fixing the femoral head is positioned at the clamping position of the clamping opening 6, the arrangement can prevent the upper end of the femoral head from swinging to cause infirm fixation after the clamping port 6 clamps the middle part of the femoral head;
the upper end of the main body shell 1 is provided with a lofting opening 7, the cartilage at the lower end of the femoral head is placed into the fixed cylinder 2 through the lofting opening 7, an arc-shaped slide rail 8 fixedly connected with the main body shell 1 is arranged above the lofting opening 7, the arc-shaped slide rail 8 is connected with the outer adjusting sleeve 4 in a sliding manner, specifically, referring to fig. 1 and 4, the arc-shaped slide rail 8 is formed by two arc-shaped plates fixedly connected with the two sides of the lofting opening 7, and the outer adjusting sleeve 4 is arranged between the two arc-shaped plates;
the combined nut comprises a lower nut 10 which is detachably sleeved at the lower end of the outer adjusting sleeve 4 and an upper nut 9 which is sleeved outside the outer adjusting sleeve 4 in a threaded manner, the lower nut 10 is preferably in threaded connection in a detachable connection manner, the upper nut 9 is positioned above the lower nut 10, the upper nut 9 is positioned above the arc-shaped plate, and the lower nut 10 is positioned below the arc-shaped plate;
the bottom surface of the fixed cylinder 2 is provided with an annular through hole 17 surrounding the scraper 3, the bottom surface of the inside of the main body shell 1 is fixedly connected with a supporting cylinder 14, the lower end of the supporting cylinder 14 is provided with a tray 18 which is connected in the main body shell 1 in a sliding manner, one end of the tray 18 can be arranged in the supporting cylinder 14, below the fixed cylinder 2 and attached to the inner wall of the supporting cylinder 14, the main body shell 1 is provided with an outlet, and a user can pull out the tray 18 through the outlet;
the support cylinder 14 is provided with a vent hole 25 at one side, the vent hole 25 is provided with a fan 26 fixedly connected in the main body casing 1, specifically, referring to fig. 4, the fan 26 is arranged between the opening and the support cylinder 14, when the fixed cylinder 2 rotates to drive the scraper 3 to rotate and cut, the fixed cylinder 2 rotates rapidly to generate vortex air flow, so that cut tissue debris can rotate in the fixed cylinder 2 and can not fall down, when the fixed cylinder 2 stops rotating, a plurality of tissue debris can still adhere to the inner wall of the fixed cylinder 2, the fan 26 sucks air below the annular through hole 17 of the fixed cylinder 2 and generates a negative pressure area, so that the tissue debris cut by the scraper 3 is adsorbed and moves along the air flow direction, the vent hole 25 is narrow, the fan 26 generates larger air flow below the fixed cylinder 2 by virtue of the venturi effect, so that the negative pressure below the annular through hole 17 has larger suction force, after the airflow flows below the fixed cylinder 2, the airflow enters the main body shell 1, the wind power is greatly reduced by the wide inner space of the main body shell 1, so that the tissue fragments cannot be taken away by the airflow, in order to facilitate air circulation, a plurality of small air holes are formed in the side wall of the main body shell 1, which is opposite to one side of the fan 26, in order to prevent the cut tissue fragments from scattering in the main body shell 1, a filter screen is detachably arranged on the tray 18, when the tray 18 is drawn out to take out tissues each time, the tissue fragments on the filter screen can be collected, and meanwhile, a flow guide inclined plate fixedly connected in the main body shell 1 is arranged between the fan 26 and the supporting cylinder 14, so that the fan 26 can conveniently extract air from the air holes 25;
in the specific use of the embodiment, a user can firstly unscrew the lower nut 10, take out the outer adjustment sleeve 4, put the femoral head into the inner compression sleeve 5 from the lower part of the outer adjustment sleeve 4, at the moment, one end of the femoral head cartilage is downward, then rotate the inner compression sleeve 5 to enable the compression opening to compress the femoral head, place the outer adjustment sleeve 4 in the arc-shaped slide rail 8, at the moment, clamp the upper nut 9 on the two arc-shaped plates, then screw the lower nut 10 outside the outer adjustment sleeve 4, adjust the positions of the lower nut 10 and the upper nut 9, thereby adjusting the placement height of the cartilage at the lower end of the femoral head, then swing the outer adjustment sleeve 4 to adjust the angle of femoral head cutting, after determining, screw the lower nut 10 downward, fix the outer adjustment sleeve 4 in the arc-shaped slide rail 8 by matching with the upper nut 9, then only need to rotate the fixing cylinder 2 to directly drop the cartilage tissue scraped by the cartilage cutting scraper 3 at the lower end of the femoral head onto the tray 18 through the annular through hole 17, the user then pulls out the tray 18.
In the second embodiment, on the basis of the first embodiment, the washers 11 sleeved outside the outer adjusting sleeve 4 are arranged below the upper nut 9 and above the lower nut 10, and the arrangement of the washers 11 can enable the upper nut 9 and the lower nut 10 to more firmly press the outer adjusting sleeve 4 onto the arc-shaped slide rail 8.
In the third embodiment, on the basis of the first embodiment, the lower end of the outer adjustment sleeve 4 described with reference to fig. 4 is coaxially and integrally connected with a clamping wedge-shaped ring 12, the inner wall of the clamping wedge-shaped ring 12 is an inclined surface, and the inner diameter of the upper end surface of the clamping wedge-shaped ring 12 is larger than the inner diameter of the lower end surface, so that the inner wall of the clamping wedge-shaped ring 12 is an inclined surface with the upper end inclined away from the center of a circle;
referring to fig. 5, the outer side wall of the clamping opening 6 is an inclined surface and can be attached to the inner wall of the clamping wedge-shaped ring 12, the side wall of the clamping opening 6 is provided with a movable through groove 13, when a user rotates the internal compression sleeve 5 to move downwards, the inner wall side of the clamping wedge-shaped ring 12 can press the clamping opening 6 to be tightened inwards, so that the femoral head is clamped, if the clamping opening 6 is in a complete annular shape, the clamping opening is not easy to be pressed inwards, and the movable through groove 13 is formed to enable the clamping opening 6 to better clamp the femoral head.
Fourth embodiment, on the basis of the first embodiment, the fixed cylinder 2 is rotatably connected in the supporting cylinder 14, the fixed cylinder 2 is connected with the driving motor 15 fixedly connected in the main body housing 1, the driving motor 15 is connected with an external power supply, the supporting cylinder 14 provides a base for the fixed cylinder 2 to be rotatably connected, the supporting cylinder 14 is externally sleeved with a ball bearing 16, the ball bearing inner ring 19 is fixedly connected with the supporting cylinder 14, the ball bearing outer ring 20 is fixedly connected with the fixed cylinder 2, and the ball bearing inner ring 19 is fixedly connected with the supporting cylinder 14, the ball bearing outer ring 20 and the fixed cylinder 2 through bolts;
the even fixedly connected with a plurality of teeth of ball bearing outer ring 20 lateral wall, the 15 output shafts of driving motor on coaxial fixedly connected with drive gear 21, drive gear 21 and the meshing of the tooth of ball bearing outer ring 20, this embodiment is when specifically using, driving motor 15 work drives ball bearing outer ring 20 through drive gear 21 and rotates to drive solid fixed cylinder 2 and rotate, and then drive scraper 3 around the rotatory cutting of cartilage of femoral head.
Fifth embodiment, on the basis of the first embodiment, the lower end of the fixed cylinder 2 is fixedly connected with two oppositely arranged scrapers 3, a cartilage at the lower end of a femoral head is arranged between the two scrapers 3, the scrapers 3 can be made of elastic metal materials, the arrangement can enable the two scrapers 3 to be tightly attached to the cartilage, better cutting is facilitated, and the scrapers 3 can be specifically 18-10 stainless steel thin blades;
meanwhile, when the soft scraper rotationally cuts the femoral head, if the femoral head has a larger bulge, the blade is very easy to break or damage, so a better structure is provided below to avoid the occurrence of the situation, specifically, the lower end of the fixed cylinder 2 is slidably connected with two scraper lower seats 27 which are oppositely arranged, the two scraper lower seats 27 are respectively and fixedly connected with the scrapers 3, the upper end of the fixed cylinder 2 is slidably connected with two scraper upper seats 28 which are oppositely arranged, the two scraper upper seats 28 are respectively and slidably connected with the two scrapers 3, the two scraper upper seats 28 and the two scraper lower seats 27 are both connected with the fixed cylinder 2 through springs, the scraper upper seats 28 and the scraper lower seats 27 can synchronously move and are connected with the fixed cylinder 2 through springs, specifically referring to fig. 4, the arrangement can enable the scrapers 3 to be always attached to the femoral head, the scraper 3 is convenient to cut, the back of the scraper 3 is fixedly connected with an L-shaped plate 22 with an opening facing to the blade point direction, the arrangement can enable the tissue chippings cut off to enter the L-shaped plate 22 along the inertia of the cutting direction to form a semi-open type through groove in the cutting process of the scraper 3, the cut tissue chippings directly pass through the annular through hole 17 along the L-shaped plate 22 and fall on the tray 18 under the action of the L-shaped plate 22 and are matched with a negative pressure area formed below the annular through hole 17 by the fan 26, the back of the scraper 3 is provided with a wheel carrier 23 extending along the blade point direction, the wheel carrier 23 is rotatably connected with a guide wheel 24, the lower edge of the guide wheel 24 is higher than the blade point, the guide wheel 24 is provided with an upper scraper seat 28, a lower scraper seat 27 and a spring to enable the blade point of the scraper 3 to change along the surface of the femoral head, the blade point of the scraper 3 always cuts the tissue between the blade point and the lower edge of the guide wheel 24, therefore, the scrapers 3 and the femoral head are effectively protected, in the embodiment, when the femoral head is used specifically, the femoral head is placed in the fixed cylinder 2, the scrapers 3 cling to the surface of the femoral head under the action of the springs, the scrapers 28 and the lower base 27, then the fixed cylinder 2 rotates to drive the two scrapers 3 to rotate, under the action of the guide wheel 24, the blade points of the scrapers 3 can change along the surface of the femoral head through the cooperation of the upper base 28, the lower base 27 and the springs, the blade points of the scrapers 3 always cut tissues between the blade points and the lower edge of the guide wheel 24, the cut tissue debris can enter the L-shaped plate 22 to form a semi-open through groove along the inertia of the cutting direction, and the tissue debris fall on the tray 18 through the action of the L-shaped plate 22 and the cooperation of the fan 26 in a negative pressure area formed below the annular through hole 17.
When the femoral head clamping device is used specifically, a user firstly unscrews the lower nut 10, takes out the outer adjusting sleeve 4, puts the femoral head into the inner compression sleeve 5 from the lower part of the outer adjusting sleeve 4, at the moment, one end of a femoral head cartilage is downward, then rotates the inner compression sleeve 5, and when the user rotates the inner compression sleeve 5 to move downwards, the inner wall side of the clamping wedge-shaped ring 12 presses the clamping opening 6 to be inwards tightened, so that the femoral head is clamped;
then, the outer adjusting sleeve 4 is placed in the arc-shaped slide rail 8, the upper nut 9 is clamped on the two arc-shaped plates at the moment, the lower nut 10 is screwed outside the outer adjusting sleeve 4, the positions of the lower nut 10 and the upper nut 9 are adjusted, the placing height of the cartilage at the lower end of the femoral head is adjusted, the femoral head is placed in the fixing cylinder 2, the scraper 3 is tightly attached to the surface of the femoral head under the action of the spring, the scraper upper seat 28 and the scraper lower seat 27, then the outer adjusting sleeve 4 is swung to adjust the cutting angle of the femoral head, the lower nut 10 is screwed downwards after the determination, the outer adjusting sleeve 4 is fixed in the arc-shaped slide rail 8 by matching with the upper nut 9,
then only the driving motor 15 needs to be started, the driving motor 15 drives the ball bearing outer ring 20 to rotate through the driving gear 21, so as to drive the fixed cylinder 2 to rotate, and further drive the scraper 3 to rotate and cut around the cartilage of the femoral head, the fixed cylinder 2 rotates to drive the two scrapers 3 to rotate, under the action of the guide wheel 24, the blade points of the scrapers 3 can be changed along the change of the surface of the femoral head by matching with the upper scraper seat 28, the lower scraper seat 27 and the spring, the blade points of the scrapers 3 always cut the tissues between the blade points and the lower edge of the guide wheel 24, the cut tissue fragments can enter the L-shaped plate 22 to form a semi-open through groove along the inertia of the cutting direction, and the tissue fragments fall on the tray 18 through the action of the L-shaped plate 22 and the negative pressure area formed below the annular through hole 17 by matching with the fan 26.
The invention makes improvement aiming at the problems of low efficiency and low sample quality of the existing artificial femoral head cartilage sampling, and the femoral head specimen can be clamped by matching the inner sleeve and the outer sleeve with the clamping wedge ring and the clamping port; the position of the sample can be adjusted through the combined nut, so that the cutting depth can be adjusted, the subchondral bone pollution is avoided, the angle of the swing femoral head sample can be adjusted, the cutting position is changed, and the sampling requirements of different positions are met; the scraper is made of flexible metal materials, so that the scraper can be tightly attached to the surface of the specimen for better cutting; compared with the traditional sampling process, the method can shorten the sampling time, improve the quality of cartilage, increase the success rate of subsequent experiments, and has strong practicability.
Claims (7)
1. The femoral head cartilage sampler for the electric experiment is characterized by comprising a main body shell (1), wherein a fixing cylinder (2) which is through up and down is rotatably connected in the main body shell (1), and a scraper (3) is fixedly connected in the fixing cylinder (2);
the upper end of the main body shell (1) is connected with an outer adjusting sleeve (4) in a left-right sliding mode, the outer adjusting sleeve (4) can be adjusted in position and fixed through a combined nut meshed with external threads of the outer adjusting sleeve, an inner pressing sleeve (5) is meshed with internal threads of the outer adjusting sleeve (4), and the lower end of the inner pressing sleeve (5) is coaxially and integrally connected with a flexible clamping port (6);
the bottom surface of the fixed cylinder (2) is provided with an annular through hole (17) surrounding the scraper (3);
a support cylinder (14) is fixedly connected to the bottom surface inside the main body shell (1), a vent hole (25) is formed below the support cylinder (14), and a fan (26) fixedly connected into the main body shell (1) is arranged beside the vent hole (25);
a lofting opening (7) is formed in the upper end of the main body shell (1), an arc-shaped sliding rail (8) fixedly connected with the main body shell (1) is arranged above the lofting opening (7), and the arc-shaped sliding rail (8) is connected with the outer adjusting sleeve (4) in a sliding manner;
the combined nut comprises a lower nut (10) detachably sleeved at the lower end of the outer adjusting sleeve (4) and an upper nut (9) sleeved outside the outer adjusting sleeve (4) in a threaded manner, and the upper nut (9) is positioned above the lower nut (10);
the arc-shaped sliding rail (8) is formed by two arc-shaped plates fixedly connected to two sides of the lofting opening (7), and the outer adjusting sleeve (4) is arranged between the two arc-shaped plates; the upper nut (9) is arranged above the arc-shaped plate, and the lower nut (10) is arranged below the arc-shaped plate.
2. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein a gasket (11) sleeved outside the outer adjusting sleeve (4) is arranged below the upper nut (9) and above the lower nut (10).
3. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein the lower end of the outer adjusting sleeve (4) is coaxially and integrally connected with a clamping wedge-shaped ring (12), the inner wall of the clamping wedge-shaped ring (12) is an inclined surface, and the inner diameter of the upper end surface of the clamping wedge-shaped ring (12) is larger than that of the lower end surface;
the outer side wall of the clamping opening (6) is an inclined surface and can be attached to the inner wall of the clamping wedge-shaped ring (12);
the side wall of the clamping opening (6) is provided with a movable through groove (13).
4. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein the fixed cylinder (2) is rotatably connected in the supporting cylinder (14), and the fixed cylinder (2) is connected with a driving motor (15) fixedly connected in the main body shell (1).
5. The femoral head cartilage sampler for the electric experiment as claimed in claim 4, wherein the support cylinder (14) is sleeved with a ball bearing (16), the ball bearing inner ring (19) is fixedly connected with the support cylinder (14), and the ball bearing outer ring (20) is fixedly connected with the fixed cylinder (2);
the ball bearing outer ring (20) outer wall is evenly fixedly connected with a plurality of teeth, the output shaft of the driving motor (15) is coaxially and fixedly connected with a driving gear (21), and the driving gear (21) is meshed with the teeth of the ball bearing outer ring (20).
6. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein the lower end of the fixed cylinder (2) is slidably connected with two opposite scraper lower seats (27), the two scraper lower seats (27) are respectively and fixedly connected with the scrapers (3), the upper end of the fixed cylinder (2) is slidably connected with two opposite scraper upper seats (28), and the two scrapers (3) are respectively and slidably connected in the two scraper upper seats (28);
the scraper (3) is characterized in that an L-shaped plate (22) with an opening facing the direction of the blade point is fixedly connected to the blade back of the scraper (3), a wheel carrier (23) is arranged on the blade back of the scraper (3) in an extending manner along the direction of the blade point, a guide wheel (24) is rotatably connected to the wheel carrier (23), and the lower edge of the guide wheel (24) is higher than the blade point;
the two scraper upper seats (28) and the two scraper lower seats (27) are connected with the fixed cylinder (2) through springs.
7. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein the lower end of the supporting cylinder (14) is provided with a tray (18) which is slidably connected in the main body shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331643.3A CN110940553B (en) | 2019-12-21 | 2019-12-21 | Femoral head cartilage sampler for electric experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911331643.3A CN110940553B (en) | 2019-12-21 | 2019-12-21 | Femoral head cartilage sampler for electric experiment |
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| CN110940553A CN110940553A (en) | 2020-03-31 |
| CN110940553B true CN110940553B (en) | 2022-04-15 |
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| CN112155650B (en) * | 2020-10-16 | 2022-03-01 | 西安交通大学医学院第二附属医院 | Pathologic sampling device for whole bone of femoral head |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69518077T3 (en) * | 1994-06-02 | 2002-10-02 | Sulzer Orthopedics Inc., Austin | CUTTER FOR THE FEMORAL INTERCONDYLARINE GROOVE OF A KNEE PROSTHESIS STABILIZED FROM THE BACK |
| FR2961087B1 (en) * | 2010-06-09 | 2013-06-28 | Allflex Europ | TOOL FOR SAMPLING AN ANIMAL TISSUE SAMPLE. |
| CN102085110B (en) * | 2011-03-12 | 2012-07-11 | 徐兆万 | Femoral head bone cutter |
| CN203101094U (en) * | 2013-01-14 | 2013-07-31 | 陈军 | Multifunctional electric bone taking machine |
| CN205538301U (en) * | 2016-01-25 | 2016-08-31 | 北京聚精瑞生医疗科技有限公司 | Bone tissue machine of drawing materials |
| CN205861376U (en) * | 2016-08-11 | 2017-01-04 | 张爱林 | Dissection cutter sweep |
| CN106214189A (en) * | 2016-08-16 | 2016-12-14 | 中国人民解放军第三军医大学第附属医院 | Bone cartilage holostrome specimen Wicresoft sampler |
| CN206876417U (en) * | 2017-07-11 | 2018-01-12 | 广东医科大学 | Bone tissue materials instrument |
| CN208942279U (en) * | 2018-05-23 | 2019-06-07 | 北京市创伤骨科研究所 | A kind of medical bone cartilage sampling trepan |
| CN108742823B (en) * | 2018-06-14 | 2019-11-12 | 中国人民解放军陆军军医大学第一附属医院 | A kind of nail taking out apparatus in orthopaedics |
| CN208907861U (en) * | 2018-09-29 | 2019-05-28 | 浙江大学 | Bone and the minimally invasive sampler of cartilage samples |
| CN209464050U (en) * | 2019-01-09 | 2019-10-08 | 河北省沧州中西医结合医院 | A kind of convenient device of femoral head taking-up |
-
2019
- 2019-12-21 CN CN201911331643.3A patent/CN110940553B/en active Active
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