CN211401739U - Femoral head cartilage sampler for electric experiment - Google Patents
Femoral head cartilage sampler for electric experiment Download PDFInfo
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- CN211401739U CN211401739U CN201922316056.9U CN201922316056U CN211401739U CN 211401739 U CN211401739 U CN 211401739U CN 201922316056 U CN201922316056 U CN 201922316056U CN 211401739 U CN211401739 U CN 211401739U
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- femoral head
- adjusting sleeve
- sampler
- main body
- outer adjusting
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Abstract
The utility model relates to a femoral head cartilage sampler for electric experiments, which effectively solves the problems of low efficiency and low sample quality of the existing artificial femoral head cartilage 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 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 utility model discloses can electronic completion experiment with acquireing of cartilage tissue, compare in traditional sample process the utility model discloses can shorten the sample time, improve the cartilage quality, increase follow-up experiment success rate, the practicality is strong.
Description
Technical Field
The utility model relates to a medical science experiment sampling tool technical field specifically is a femoral head cartilage sampler for electronic experiments.
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 utility model provides a femoral head cartilage sampler for electric experiments solves this problem.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a femoral head cartilage sampler for electronic experiments, the effectual present femoral head cartilage of having solved is artifical the sampling inefficiency, problem that sample quality is not high.
The utility model comprises a main body shell, wherein a fixed cylinder which is through up and down is connected in the main body shell in a rotating way, and a scraper is fixedly connected in the fixed 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 opening.
Preferably, 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.
Preferably, the combined nut comprises a lower nut detachably sleeved at the lower end of the outer adjusting sleeve and an upper nut sleeved outside the outer adjusting sleeve in a threaded manner, and the upper nut is positioned above the lower nut.
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 bottom surface inside the main body shell is fixedly connected with a supporting cylinder, 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 fixedly connected with two oppositely arranged scrapers which are made of elastic metal materials.
Preferably, the bottom surface of the fixed cylinder is provided with an annular through hole surrounding the scraper.
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 utility model improves the problems of low efficiency and low sample quality of the existing artificial femoral head cartilage sampling, and can clamp the femoral head specimen 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; the utility model discloses can electronic completion experiment with acquireing of cartilage tissue, compare in traditional sample process the utility model discloses can shorten the sample time, improve the cartilage quality, increase follow-up experiment success rate, the practicality is strong.
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 sectional view of the present invention.
Fig. 5 is a perspective view of the internal compression sleeve and the related structure thereof.
Fig. 6 is a perspective view of the fixing cylinder and the related structure thereof.
Detailed Description
The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1 to 6. 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 one, the utility model relates to a femoral head cartilage sampler for electric experiment, which is characterized in that the femoral head cartilage sampler comprises a main body shell 1, the main body shell 1 is a hollow shell, the main body shell 1 is rotatably connected with a fixing cylinder 2 which is through up and down, a scraper 3 is fixedly connected in the fixing cylinder 2, one end of a soft bone of a femoral head can be arranged 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, 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 detachably sleeved at the lower end of an outer adjusting sleeve 4 and an upper nut 9 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 arranged above an arc-shaped plate, and the lower nut 10 is arranged below the arc-shaped plate, in the specific use of the combined nut, a user can firstly unscrew the lower nut 10, take out the outer adjusting sleeve 4, put a femoral head into an inner compression sleeve 5 from the lower part of the outer adjusting sleeve 4, then rotate the inner compression sleeve 5 to enable a compression opening to compress the femoral head, place the outer adjusting sleeve 4 in an arc-shaped slide rail 8, clamp the upper nut 9 on the two arc-shaped plates, then unscrew the lower nut 10 outside the outer adjusting sleeve 4, and adjust the positions of the lower nut 10 and the upper nut 9, therefore, the placing height of the cartilage at the lower end of the femoral head is adjusted, 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 sliding rail 8 by matching with the upper nut 9, and then the cartilage at the lower end of the femoral head is cut only by rotating the fixing cylinder 2.
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 the user rotates the inner pressing sleeve 5 to move downwards, the inner wall side of the pressing wedge-shaped ring 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 ring 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, a supporting cylinder 14 is fixedly connected to the bottom surface inside the main body housing 1, the fixed cylinder 2 is rotatably connected in the supporting cylinder 14, the fixed cylinder 2 is connected to a driving motor 15 fixedly connected in the main body housing 1, the driving motor 15 is connected to an external power supply, the supporting cylinder 14 provides a base for the fixed cylinder 2 to be rotatably connected, a ball bearing 16 is sleeved outside the supporting cylinder 14, the ball bearing inner ring 19 is fixedly connected to the supporting cylinder 14, the ball bearing outer ring 20 is fixedly connected to the fixed cylinder 2, and the ball bearing inner ring 19 is fixedly connected to the supporting cylinder 14, the ball bearing outer ring 20 is fixedly connected to 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 placed between the two scrapers 3, the scrapers 3 are made of elastic metal materials, the arrangement enables the two scrapers 3 to be tightly attached to the cartilage, better cutting is facilitated, and the scrapers 3 can be 18-10 stainless steel thin blades.
Sixth embodiment, on the basis of fifth embodiment, the bottom surface of the fixed cylinder 2 is provided with an annular through hole 17 surrounding the scraper 3, the lower end of the support cylinder 14 is provided with a tray 18 slidably connected in the main body housing 1, one end of the tray 18 can be placed in the support cylinder 14, below the fixed cylinder 2 and attached to the inner wall of the support cylinder 14, the main body housing 1 is provided with an outlet through which a user can pull out the tray 18, in the present embodiment, when in specific use, cartilage tissues scraped by the scraper 3 can directly fall on the tray 18 through the annular through hole 17, and then the user can pull out the tray 18.
When the utility model is used in detail, 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 the femoral head cartilage is downward, then rotates the inner compression sleeve 5, when the user rotates the inner compression sleeve 5 to move downwards, the inner wall side of the compression wedge ring can press the clamping opening 6 to be inwardly tightened, thereby clamping the femoral head;
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 soft bone at the lower end of the femoral head is adjusted, 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, and 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 that the fixed cylinder 2 is driven to rotate, and the scraper 3 is driven to rotate and cut around the soft bone of the femoral head;
the soft bone tissue scraped by the scraper 3 can directly fall on the tray 18 through the annular through hole 17, and then the user can draw out the tray 18.
The utility model improves the problems of low efficiency and low sample quality of the existing artificial femoral head cartilage sampling, and can clamp the femoral head specimen 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; the utility model discloses can electronic completion experiment with acquireing of cartilage tissue, compare in traditional sample process the utility model discloses can shorten the sample time, improve the cartilage quality, increase follow-up experiment success rate, the practicality is strong.
Claims (10)
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 opening (6).
2. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein a lofting opening (7) is formed in the upper end of the main body housing (1), an arc-shaped slide rail (8) fixedly connected with the main body housing (1) is arranged above the lofting opening (7), and the outer adjusting sleeve (4) is slidably connected with the arc-shaped slide rail (8).
3. The femoral head cartilage sampler for the electric experiment as claimed in claim 2, wherein the combined nut comprises a lower nut (10) detachably sleeved on the lower end of the outer adjusting sleeve (4) and an upper nut (9) threadedly sleeved on the outer adjusting sleeve (4), and the upper nut (9) is located above the lower nut (10).
4. The femoral head cartilage sampler for the electric experiment as claimed in claim 3, wherein a gasket (11) sleeved outside the outer adjusting sleeve (4) is arranged below the upper nut (9) and above the lower nut (10).
5. 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).
6. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein the supporting cylinder (14) is fixedly connected to the inner bottom surface of the main body housing (1), the fixing cylinder (2) is rotatably connected in the supporting cylinder (14), and the fixing cylinder (2) is connected with the driving motor (15) fixedly connected in the main body housing (1).
7. The femoral head cartilage sampler for the electric experiment as claimed in claim 6, 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).
8. The femoral head cartilage sampler for the electric experiment as claimed in claim 1, wherein the lower end of the fixed cylinder (2) is fixedly connected with two oppositely arranged scrapers (3), and the scrapers (3) are made of elastic metal.
9. The femoral head cartilage sampler for the electric experiment as claimed in claim 8, wherein the bottom surface of the fixed cylinder (2) is provided with an annular through hole (17) surrounding the scraper (3).
10. The femoral head cartilage sampler for the electric experiment as claimed in claim 6, 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 |
|---|---|---|---|
| CN201922316056.9U CN211401739U (en) | 2019-12-21 | 2019-12-21 | Femoral head cartilage sampler for electric experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316056.9U CN211401739U (en) | 2019-12-21 | 2019-12-21 | Femoral head cartilage sampler for electric experiment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211401739U true CN211401739U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922316056.9U Active CN211401739U (en) | 2019-12-21 | 2019-12-21 | Femoral head cartilage sampler for electric experiment |
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| Country | Link |
|---|---|
| CN (1) | CN211401739U (en) |
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- 2019-12-21 CN CN201922316056.9U patent/CN211401739U/en active Active
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