CN108403223B - Bone nail conical head processing method for orthopedics department - Google Patents
Bone nail conical head processing method for orthopedics department Download PDFInfo
- Publication number
- CN108403223B CN108403223B CN201810157984.2A CN201810157984A CN108403223B CN 108403223 B CN108403223 B CN 108403223B CN 201810157984 A CN201810157984 A CN 201810157984A CN 108403223 B CN108403223 B CN 108403223B
- Authority
- CN
- China
- Prior art keywords
- conical
- disc
- bone nail
- conical head
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a method for processing a bone nail conical head for orthopaedics, which uses a bone nail processing device for orthopaedics; the bone nail processing device for orthopedics comprises a handheld shell, an input conical disc, an output conical disc, an intermediate conical disc, a speed regulation conical disc, a friction roller wheel and a conical head roller; the bone nail conical head processing method comprises the following steps: step 1, inserting bone nails; step 2, rubbing the bone nail; and 3, adjusting the rotating speed. The invention provides a bone nail conical head processing method for orthopedics department, which is simple and rapid to operate, wherein a bone nail is inserted into an upper friction cavity through a bone nail inlet, so that the lower end of the bone nail presses a conical head insert block, a connecting insert rod and a transmission cylinder shell downwards to realize the transmission connection of the transmission cylinder shell and an input gear; then the handheld shell is pushed to move, so that the conical head inserting block can be driven to rotate, and the conical head of the bone nail is rubbed; the transmission proportion of the speed-regulating conical disc can be adjusted by stirring the conical head insertion block, so that the rotating speed of the conical head insertion block is adjusted, and the friction treatment effect on the conical head of the bone nail is adjusted.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a method for processing an orthopedic bone nail conical head.
Background
Bone nails are structures used in orthopedic surgery to achieve internal fixation. Most have the spiral body of rod for the spiral gets into in the sclerotin and be used for the end that matches, the end has the recess of hexagon socket head cap groove or other shapes, and then matches with the electric drill.
Bone screws are commonly used in the fields of connecting fractured bones, correcting deformities, and the like. Generally speaking, even though the connection of bone is completed through bone nails, the problems of bone nail falling, breaking and deformation are easily caused due to the limited hardness and rigidity of the existing materials, most of fixation implantation operations need to be performed at the later stage, and the analysis of the deformation of the bone nails during the removal process is beneficial to further research on various operations, such as structure reinforcement on parts with large deformation.
However, bone screws removed from the human body are inevitably taken along with bone or other tissue when removed, and therefore it is necessary to design a device for cleaning the surface of the bone screw.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a bone nail conical head processing method for orthopedics department, which is simple and rapid to operate, wherein a bone nail is inserted into an upper friction cavity through a bone nail inlet, so that the conical head insert block, a connecting insert rod and a transmission cylinder shell are pressed downwards by the lower end of the bone nail, and the transmission connection between the transmission cylinder shell and an input gear is realized; then the handheld shell is pushed to move, so that the conical head inserting block can be driven to rotate, and the conical head of the bone nail is rubbed; the transmission ratio of the speed-regulating conical disc can be adjusted by stirring the conical head inserting block, so that the rotating speed of the conical head inserting block is adjusted, and the friction treatment effect on the conical head of the bone nail is adjusted.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for processing an orthopedic bone screw conical head is characterized in that: using an orthopedic bone screw treatment device;
the bone nail processing device for orthopedics comprises a handheld shell, an input conical disc, an output conical disc, an intermediate conical disc, a speed regulation conical disc, a friction roller wheel and a conical head roller;
the hand-held housing is hollow cylinder tube-shape, the hand-held housing includes:
the separation transverse plate is positioned in the inner cavity of the handheld shell, a middle blind hole is formed in the lower end of the middle of the separation transverse plate, and at least three rotating through holes are circumferentially and uniformly distributed in the separation transverse plate;
the friction upper cavity is positioned above the separation transverse plate, and a bone nail inlet is formed in the center of the upper end face of the friction upper cavity;
the transmission cavity of resorption is located separate diaphragm below, the transmission cavity of resorption includes:
the bottom middle shaft is arranged in the middle of the lower end face of the lower transmission cavity, and the upper end of the bottom middle shaft is inserted into the middle blind hole and is expanded to form a limiting end head;
the pair of bottom rotating wheels are symmetrically arranged at the left side and the right side of the transmission lower cavity through a rotating shaft, and the lower edge of each bottom rotating wheel penetrates through the lower end face of the transmission lower cavity;
the driving bevel gear is coaxially arranged on the right end surface of the bottom-mounted rotating wheel on the left side;
the arc-shaped side hole is formed in the left half part of the circumferential side wall of the transmission lower cavity;
the sliding push rod is arranged on the left side of the inner wall of the transmission lower cavity along the longitudinal direction;
the push rod convex block is arranged on the outer side of the sliding push rod and penetrates through the arc-shaped side hole;
the fixed sliding rod is fixedly arranged on the right side of the inner wall of the transmission lower cavity along the longitudinal direction;
the input cone disc includes:
the input sleeve is rotatably sleeved on the lower half part of the bottom middle shaft;
the driven bevel gear is arranged at the lower end of the input sleeve and is in transmission connection with the driving bevel gear;
the input disc body is arranged at the upper end of the input sleeve and is in a hollow conical cylinder shape with a narrow upper part and a wide lower part;
the output cone disc includes:
the output sleeve is rotatably sleeved on the upper half part of the bottom center shaft;
the output disc body is arranged at the lower end of the output sleeve and is in a hollow conical cylinder shape with a narrow upper part and a wide lower part;
the input gear is coaxially arranged on the circumferential outer wall of the upper end surface of the output disc body;
the middle conical disc is provided with at least one hollow conical cylinder with a narrow upper part and a wide lower part, the middle conical disc is arranged on the bottom middle shaft, and the middle conical disc is positioned between the input conical disc and the output conical disc;
the speed regulation cone disc comprises a fixed cone frame and rotary cone covers which are matched with the fixed cone frame one by one;
the fixed cone bracket includes:
the sliding cone ring is sleeved on the bottom middle shaft;
the rectangular umbrella ribs are uniformly distributed on the outer edge of the sliding conical ring in the circumferential direction, the rectangular umbrella ribs are distributed in an umbrella shape with a narrow top and a wide bottom, and the cross section of each rectangular umbrella rib is rectangular;
the sliding ball bodies correspond to the rectangular umbrella ribs one by one and can be slidably inserted into the corresponding rectangular umbrella ribs, and a circle of annular rotating groove is formed in each sliding ball body by taking the rectangular umbrella ribs as an axis;
the rotating lantern ring is rotatably arranged in the rotating groove of the sliding sphere, and the outer diameter of the rotating lantern ring is smaller than the sphere diameter of the sliding sphere;
a pair of cutting planes are formed above and below the sliding ball body respectively, so that the upper edge and the lower edge of the rotating lantern ring are arranged outside the corresponding cutting planes in a protruding manner;
the first inserting lug is arranged at the stop end of the rectangular umbrella rib on the right side and is in inserting fit with the fixed sliding rod;
the rotary cone cover includes:
the cone cover body is sleeved on the bottom middle shaft and is positioned above the corresponding fixed cone frame;
the speed regulation chutes are circumferentially and uniformly distributed on the conical cover body and are in one-to-one inserting connection with the sliding spheres;
the second inserting lug is arranged on the left side of the lower edge of the conical cover body and is in inserting fit with the sliding push rod;
speed regulating conical disks are respectively arranged between the input conical disk and the middle conical disk, between the adjacent middle conical disks and between the middle conical disk and the output conical disk, and the speed regulating conical disks realize transmission connection between the input conical disk and the middle conical disk, between the adjacent middle conical disks and between the middle conical disk and the output conical disk through rotating lantern rings;
the friction rollers correspond to the rotating through holes one by one, and each friction roller comprises an output gear which is rotatably inserted into the rotating through hole and is in transmission connection with the input gear, and a roller body arranged at the upper end of the output gear;
the conical head roller comprises:
the transmission cylinder shell is in a hollow cylinder shape with an opening at the lower end, is arranged in the middle blind hole and is positioned at the upper end of the bottom middle shaft;
the connecting inserted rod is arranged above the transmission cylinder shell and inserted into the friction upper cavity through the middle blind hole;
the conical head inserting block is arranged on the connecting inserting rod, and a conical groove is formed in the upper end of the conical head inserting block;
the compression spring is sleeved on the connecting inserted rod and positioned between the conical head inserted block and the separating transverse plate;
the bone nail conical head processing method comprises the following steps:
using forceps to grasp the bone pin and insert it into the friction upper cavity through the bone pin entrance;
the lower end of the bone nail abuts against the conical head insert block and drives the conical head insert block, the connecting insert rod and the transmission cylinder shell to overcome the elasticity of the compression spring and move downwards until the transmission cylinder shell is in transmission connection with the upper end face of the input gear and the posture of the bone nail is kept unchanged;
the hand-held shell is held by a hand, and the bottom rotating wheel is in transmission connection with a horizontal plane;
the handheld shell is pushed to drive the bottom rotating wheel to rotate, and the driving bevel gear acts on the driven bevel gear to drive the input sleeve and the input disc body to rotate;
the input disc body drives the middle conical disc to rotate through the speed regulation conical disc positioned above the input disc body;
the middle conical disc drives the output disc body and the input gear to rotate through a speed-regulating conical disc positioned above the middle conical disc;
the input gear acts on the transmission cylinder shell to drive the conical head insert block to rotate;
the conical groove of the conical head inserting block is used for rubbing the conical head of the bone nail;
step 3, adjusting the rotating speed:
the push rod bump is pulled to drive the sliding push rod to rotate along the arc-shaped side hole by taking the bottom center shaft as an axis;
the sliding push rod acts on the second insertion lug to drive the rotary cone cover to rotate;
the speed regulation chute rotates and drives the sliding ball body and the rotating lantern ring to slide on the rectangular umbrella ribs, the position of the rotating lantern ring is adjusted, the transmission proportion of the speed regulation conical disc is adjusted, the rotating speed of the input gear and the conical head insert block is adjusted, and the friction effect of the bone nail is adjusted.
Furthermore, an included angle alpha between the connecting line direction of the two ends of the speed regulating chute and the connecting line direction between the center of the speed regulating chute and the cone top of the cone cover body is 30-60 degrees of a central angle.
Furthermore, the push rod lug is in interference fit with the arc-shaped side hole, so that the push rod lug and the sliding push rod keep stable postures in a normal state.
The invention has the beneficial effects that:
the bone nail conical head processing method for orthopedics department, provided by the invention, is simple and rapid to operate, and the bone nail is inserted into the friction upper cavity through the bone nail inlet, so that the conical head insert block, the connecting insert rod and the transmission cylinder shell are pressed downwards by the lower end of the bone nail, and the transmission connection between the transmission cylinder shell and the input gear is realized; then the handheld shell is pushed to move, so that the conical head inserting block can be driven to rotate, and the conical head of the bone nail is rubbed; the transmission ratio of the speed-regulating conical disc can be adjusted by stirring the conical head inserting block, so that the rotating speed of the conical head inserting block is adjusted, and the friction treatment effect on the conical head of the bone nail is adjusted.
Under the normal state, the fixed slide bar limits the rotation of the fixed cone frame, the sliding push rod limits the rotation of the rotary cone cover, the sliding ball body is limited to enable the sliding ball body not to rotate along the rectangular umbrella rib, and the sliding ball body obviously cannot rotate around the rectangular umbrella rib, so that the posture of the sliding ball body is stable under the normal state, the upper end face and the lower end face of the rotating lantern ring are exposed outside a cutting plane, the rotating lantern ring is enabled to be in contact with the input cone disc, the output cone disc and the middle cone disc, and a transmission effect is achieved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a sectional view of an embodiment of the bone screw treatment device for orthopedics.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
FIG. 3 is a bottom view of one embodiment of the timing cone.
FIG. 4 is a bottom view of one embodiment of the timing cone.
FIG. 5 is a bottom view of one embodiment of the rotary cone cover.
In the figure:
1. the device comprises a handheld shell, 11 parts of a separation transverse plate, 11a parts of a middle blind hole, 11b parts of a rotating through hole, 12 parts of a friction upper cavity, 12a parts of a bone nail inlet, 13 parts of a transmission lower cavity, 13a parts of a bottom middle shaft, 13b parts of a bottom rotating wheel, 13c parts of a driving bevel gear, 13d parts of an arc-shaped side hole, 13e parts of a sliding push rod, 13f parts of a push rod convex block and 13g parts of a fixed slide rod;
2. an input conical disc, 21, an input sleeve, 22, a driven bevel gear and 23, an input disc body;
3. the output cone disc 31, the output sleeve 32, the output disc body 33 and the input gear;
4. a middle conical disc;
5. the speed regulation conical plate comprises a speed regulation conical disc, 51, a fixed conical frame, 51a, a sliding conical ring, 51b, a rectangular umbrella rib, 51c, a sliding ball body, 51d, a rotating sleeve ring, 51e, a cutting plane, 51f, a first inserting lug, 52, a rotating conical cover, 52a, a conical cover body, 52b, a speed regulation chute and 52c, a second inserting lug;
6. a friction roller 61, an output gear 62 and a roller body;
7. a conical head roller, 71, a transmission cylinder shell, 72, a connecting inserted rod, 73, a conical head inserted block, 74, a compression spring;
8. a bone nail.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
First, the directions "up", "down", "left" and "right" described below are the same as those shown in fig. 1 of the specification.
A method for processing an orthopedic bone screw conical head is characterized in that: using an orthopedic bone screw treatment device;
the bone nail processing device for orthopedics comprises a handheld shell 1, an input conical disc 2, an output conical disc 3, an intermediate conical disc 4, a speed regulation conical disc 5, a friction roller 6 and a conical head roller 7;
the separating transverse plate 11 is positioned in the inner cavity of the handheld shell 1, a middle blind hole 11a is formed in the lower end of the middle of the separating transverse plate 11, and at least three rotating through holes 11b are circumferentially and uniformly distributed in the separating transverse plate 11;
the friction upper cavity 12 is positioned above the separation transverse plate 11, and a bone screw inlet 12a is formed in the center of the upper end face of the friction upper cavity 12;
the transmission lower chamber 13 is located separate diaphragm 11 below, transmission lower chamber 13 includes:
the bottom middle shaft 13a is arranged in the middle of the lower end face of the transmission lower cavity 13, and the upper end of the bottom middle shaft 13a is inserted into the middle blind hole 11a and is expanded to form a limiting end head;
the pair of bottom rotating wheels 13b are symmetrically arranged at the left side and the right side of the transmission lower cavity 13 through rotating shafts, and the lower edge of the bottom rotating wheel 13b penetrates through the lower end surface of the transmission lower cavity 13;
a drive bevel gear 13c coaxially provided on the right end surface of the bottom-mounted runner 13b on the left side;
the arc-shaped side hole 13d is arranged on the left half part of the circumferential side wall of the transmission lower cavity 13;
the sliding push rod 13e is arranged on the left side of the inner wall of the transmission lower cavity 13 along the longitudinal direction;
the push rod convex block 13f is arranged on the outer side of the sliding push rod 13e and penetrates through the arc-shaped side hole 13 d;
the fixed sliding rod 13g is fixedly arranged on the right side of the inner wall of the transmission lower cavity 13 along the longitudinal direction;
the input cone 2 comprises:
the input sleeve 21 is rotatably sleeved on the lower half part of the bottom center shaft 13 a;
the driven bevel gear 22 is arranged at the lower end of the input sleeve 21 and is in transmission connection with the driving bevel gear 13 c;
the input disc body 23 is arranged at the upper end of the input sleeve 21 and is in a hollow conical cylinder shape with a narrow upper part and a wide lower part;
the output cone 3 comprises:
the output sleeve 31 is rotatably sleeved on the upper half part of the bottom center shaft 13 a;
the output disc body 32 is arranged at the lower end of the output sleeve 31 and is in a hollow conical cylinder shape with a narrow upper part and a wide lower part;
the input gear 33 is coaxially arranged on the circumferential outer wall of the upper end surface of the output disc body 32;
the middle conical disc 4 is provided with at least one piece, the middle conical disc 4 is in a hollow conical cylinder shape with a narrow top and a wide bottom, the middle conical disc 4 is arranged on the bottom middle shaft 13a, and the middle conical disc 4 is positioned between the input conical disc 2 and the output conical disc 3;
the speed regulation cone disc 5 comprises a fixed cone frame 51 and rotary cone covers 52 which are matched with the fixed cone frame 51 one by one;
the fixed cone frame 51 includes:
the sliding conical ring 51a is sleeved on the bottom center shaft 13 a;
the sliding balls 51c are in one-to-one correspondence with the rectangular ribs 51b and can be slidably inserted into the corresponding rectangular ribs 51b, and the sliding balls 51c are formed with a circle of annular rotating grooves by taking the rectangular ribs 51b as an axis;
the rotating lantern ring 51d is rotatably arranged in the rotating groove of the sliding ball body 51c, and the outer diameter of the rotating lantern ring 51d is smaller than the ball diameter of the sliding ball body 51 c;
a pair of cutting planes 51e are formed, and the cutting planes 51e are respectively formed above and below the sliding ball 51c, so that the upper edge and the lower edge of the rotating lantern ring 51d are convexly arranged outside the corresponding cutting planes 51 e;
the first inserting lug 51f is arranged at the end stop end of the rectangular umbrella rib 51b on the right side and is in inserting fit with the fixed sliding rod 13 g;
the rotary cone cover 52 includes:
the cone cover body 52a is sleeved on the bottom middle shaft 13a and is positioned above the corresponding fixed cone frame 51;
the speed regulation chutes 52b are circumferentially and uniformly distributed on the conical cover body 52a, and the speed regulation chutes 52b are in one-to-one inserting connection with the sliding spheres 51 c;
the second inserting lug 52c is arranged on the left side of the lower edge of the conical cover body 52a, and the second inserting lug 52c is in inserting fit with the sliding push rod 13 e;
speed regulation conical disks 5 are respectively arranged between the input conical disk 2 and the middle conical disk 4, between the adjacent middle conical disks 4 and between the middle conical disk 4 and the output conical disk 3, and the speed regulation conical disks 5 realize transmission connection between the input conical disk 2 and the middle conical disk 4, between the adjacent middle conical disks 4 and between the middle conical disks 4 and the output conical disks 3 through rotating a lantern ring 51 d;
under normal conditions, the fixed slide rod 13g limits the rotation of the fixed cone frame 51, the slide push rod 13e limits the rotation of the rotary cone cover 52, and limits the slide ball 51c from rotating along the rectangular umbrella rib 51b, and obviously, the slide ball 51c also cannot rotate around the rectangular umbrella rib 51b, so that the posture of the slide ball 51c is stable under normal conditions, the upper end surface and the lower end surface of the rotary lantern ring 51d are exposed out of the cutting plane 51e, and the rotary lantern ring 51d is in contact with the input conical disc 2, the output conical disc 3 and the intermediate conical disc 4, and a transmission effect is achieved.
Furthermore, a pressing spring is arranged between the output sleeve 31 and a limit end at the upper end of the bottom middle shaft 13a for realizing the close contact connection among the output conical disc, the middle conical disc, the speed regulating conical disc and the input conical disc.
Furthermore, the transmission speed can be adjusted by increasing the number of the middle conical discs and the speed-adjusting conical discs.
The friction rollers 6 correspond to the rotation through holes 11b one by one, and each friction roller 6 comprises an output gear 61 which is rotatably inserted in the rotation through hole 11b and is in transmission connection with the input gear 33, and a roller body 62 arranged at the upper end of the output gear 61;
the conical-head roller 7 comprises:
the transmission cylinder shell 71 is in a hollow cylinder shape with an opening at the lower end, is arranged in the middle blind hole 11a and is positioned at the upper end of the bottom middle shaft 13 a;
the connecting inserted link 72 is arranged above the transmission cylinder shell 71 and inserted into the friction upper cavity 12 through the middle blind hole 11 a;
the conical head inserting block 73 is arranged on the connecting inserting rod 72, and a conical groove is formed in the upper end of the conical head inserting block 73;
and the compression spring 74 is sleeved on the connecting inserted rod 72 and is positioned between the conical head inserted block 73 and the transverse partition plate 11.
The bone nail conical head processing method comprises the following steps:
using forceps to hold the bone screw 8 and insert it into the friction upper cavity 12 through the bone screw inlet 12 a;
the lower end of the bone nail 8 abuts against the conical head insert block 73 and drives the conical head insert block 73, the connecting insert rod 72 and the transmission cylinder shell 71 to go downwards against the elastic force of the compression spring 74 until the transmission cylinder shell 71 is in transmission connection with the upper end face of the input gear 33 and the posture of the bone nail 8 is kept unchanged;
the hand-held shell 1 is held by a hand, and the bottom rotating wheel 13b is in transmission connection with a horizontal plane;
the hand-held shell 1 is pushed to drive the bottom rotating wheel 13b to rotate, and the driving bevel gear 13c acts on the driven bevel gear 22 to drive the input sleeve 21 and the input disc body 23 to rotate;
the input disc body 23 drives the middle conical disc 4 to rotate through the speed regulation conical disc 5 positioned above the input disc body;
the middle conical disc 4 drives the output disc body 32 and the input gear 33 to rotate through the speed regulation conical disc 5 positioned above the middle conical disc;
the input gear 33 acts on the transmission cylinder shell 71 to drive the conical head insert block 73 to rotate;
the conical groove of the conical head inserting block 73 is used for rubbing the conical head of the bone nail 8;
step 3, adjusting the rotating speed:
the push rod lug 13f is pulled to drive the sliding push rod 13e to rotate along the arc-shaped side hole 13d by taking the bottom center shaft 13a as an axis;
the sliding push rod 13e acts on the second inserting lug 52c to drive the rotating conical cover 52 to rotate;
the speed regulation chute 52b rotates and drives the sliding ball 51c and the rotating sleeve ring 51d to slide on the rectangular umbrella rib 51b, the position of the rotating sleeve ring 51d is adjusted, the transmission ratio of the speed regulation conical disc 5 is adjusted, the rotating speed of the input gear 33 and the conical head insert block 73 is adjusted, and the friction effect of the bone nail 8 is adjusted.
Further, an included angle α between a direction of a connecting line of both ends of the speed regulation chute 52b and a direction of a connecting line between the center of the speed regulation chute 52b and the vertex of the cone cover body 52a is 30 ° to 60 ° of a central angle.
Further, the push rod convex block 13f and the arc-shaped side hole 13d are in interference fit, so that the push rod convex block 13f and the sliding push rod 13e keep stable postures in a normal state.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A method for processing an orthopedic bone screw conical head is characterized in that: using an orthopedic bone screw treatment device;
the bone nail processing device for orthopedics comprises a handheld shell (1), an input conical disc (2), an output conical disc (3), a middle conical disc (4), a speed regulation conical disc (5), a friction roller (6) and a conical head roller (7);
handheld shell (1) is hollow cylinder tube-shape, handheld shell (1) includes:
the separation transverse plate (11) is positioned in the inner cavity of the handheld shell (1), a middle blind hole (11a) is formed in the lower end of the middle of the separation transverse plate (11), and at least three rotating through holes (11b) are uniformly distributed in the circumferential direction of the separation transverse plate (11);
the friction upper cavity (12) is positioned above the separation transverse plate (11), and a bone nail inlet (12a) is formed in the center of the upper end face of the friction upper cavity (12);
transmission cavity of resorption (13), be located separate diaphragm (11) below, transmission cavity of resorption (13) includes:
the bottom middle shaft (13a) is arranged in the middle of the lower end face of the transmission lower cavity (13), and the upper end of the bottom middle shaft (13a) is inserted into the middle blind hole (11a) and is expanded to form a limiting end head;
the pair of bottom rotating wheels (13b) is symmetrically arranged at the left side and the right side of the transmission lower cavity (13) through a rotating shaft, and the lower edge of the bottom rotating wheel (13b) penetrates through the lower end surface of the transmission lower cavity (13);
a drive bevel gear (13c) coaxially arranged on the right end face of the bottom rotating wheel (13b) positioned on the left side;
the arc-shaped side hole (13d) is arranged at the left half part of the circumferential side wall of the transmission lower cavity (13);
the sliding push rod (13e) is arranged on the left side of the inner wall of the transmission lower cavity (13) along the longitudinal direction;
the push rod convex block (13f) is arranged on the outer side of the sliding push rod (13e) and penetrates through the arc-shaped side hole (13 d);
the fixed sliding rod (13g) is fixedly arranged on the right side of the inner wall of the transmission lower cavity (13) along the longitudinal direction;
the input cone disc (2) comprises:
the input sleeve (21) is rotatably sleeved on the lower half part of the bottom middle shaft (13 a);
the driven bevel gear (22) is arranged at the lower end of the input sleeve (21) and is in transmission connection with the driving bevel gear (13 c);
the input disc body (23) is arranged at the upper end of the input sleeve (21) and is in a hollow conical cylinder shape with a narrow upper part and a wide lower part;
the output cone disk (3) comprises:
the output sleeve (31) is rotatably sleeved on the upper half part of the bottom center shaft (13 a);
the output disc body (32) is arranged at the lower end of the output sleeve (31) and is in a hollow conical cylinder shape with a narrow upper part and a wide lower part;
the input gear (33) is coaxially arranged on the circumferential outer wall of the upper end surface of the output disc body (32);
the middle conical disc (4) is provided with at least one, the middle conical disc (4) is in a hollow conical cylinder shape with a narrow upper part and a wide lower part, the middle conical disc (4) is arranged on the bottom middle shaft (13a), and the middle conical disc (4) is positioned between the input conical disc (2) and the output conical disc (3);
the speed regulation cone disc (5) comprises a fixed cone frame (51) and rotary cone covers (52) which are matched with the fixed cone frame (51) one by one;
the fixed cone (51) comprises:
the sliding conical ring (51a) is sleeved on the bottom middle shaft (13 a);
the rectangular umbrella ribs (51b) are uniformly distributed at the outer edge of the sliding conical ring (51a) in the circumferential direction, the rectangular umbrella ribs (51b) are distributed in an umbrella shape with a narrow top and a wide bottom, and the cross section of each rectangular umbrella rib (51b) is rectangular;
the sliding ball bodies (51c) are in one-to-one correspondence with the rectangular umbrella ribs (51b) and can be slidably inserted into the corresponding rectangular umbrella ribs (51b), and a circle of annular rotating groove is formed in each sliding ball body (51c) by taking the rectangular umbrella ribs (51b) as an axis;
the rotating lantern ring (51d) is rotatably arranged in the rotating groove of the sliding ball body (51c), and the outer diameter of the rotating lantern ring (51d) is smaller than the ball diameter of the sliding ball body (51 c);
a pair of cutting planes (51e), wherein the cutting planes (51e) are respectively formed above and below the sliding ball body (51c), so that the upper edge and the lower edge of the rotating lantern ring (51d) are convexly arranged outside the corresponding cutting planes (51 e);
the first inserting lug (51f) is arranged at the end of the rectangular umbrella rib (51b) on the right side and is in inserting fit with the fixed sliding rod (13 g);
the rotary cone cover (52) includes:
the cone cover body (52a) is sleeved on the bottom middle shaft (13a) and is positioned above the corresponding fixed cone frame (51);
the speed regulation chutes (52b) are circumferentially and uniformly distributed on the conical cover body (52a), and the speed regulation chutes (52b) are in one-to-one inserting connection with the sliding spheres (51 c);
the second inserting lug (52c) is arranged on the left side of the lower edge of the conical cover body (52a), and the second inserting lug (52c) is in inserting fit with the sliding push rod (13 e);
speed regulation conical discs (5) are respectively arranged between the input conical disc (2) and the middle conical disc (4), between the adjacent middle conical discs (4) and between the middle conical disc (4) and the output conical disc (3), and the speed regulation conical discs (5) realize transmission connection between the input conical disc (2) and the middle conical disc (4), between the adjacent middle conical discs (4) and between the middle conical disc (4) and the output conical disc (3) through rotating lantern rings (51 d);
the friction rollers (6) correspond to the rotating through holes (11b) one by one, and each friction roller (6) comprises an output gear (61) which is rotatably inserted into the corresponding rotating through hole (11b) and is in transmission connection with the input gear (33), and a roller body (62) arranged at the upper end of the output gear (61);
the conical-head roller (7) comprises:
the transmission cylinder shell (71) is in a hollow cylinder shape with an opening at the lower end, is arranged in the middle blind hole (11a) and is positioned at the upper end of the bottom middle shaft (13 a);
the connecting inserted rod (72) is arranged above the transmission cylinder shell (71) and inserted into the friction upper cavity (12) through the middle blind hole (11 a);
the conical head inserting block (73) is arranged on the connecting inserting rod (72), and a conical groove is formed in the upper end of the conical head inserting block (73);
the compression spring (74) is sleeved on the connecting inserted rod (72) and is positioned between the conical head inserted block (73) and the separating transverse plate (11);
the bone nail conical head processing method comprises the following steps:
step 1, inserting a bone nail (8):
clamping the bone nail (8) with forceps and inserting it into the friction upper cavity (12) via the nail entrance (12 a);
the lower end of the bone nail (8) abuts against the conical head insert block (73) and drives the conical head insert block (73), the connecting insert rod (72) and the transmission cylinder shell (71) to move downwards against the elastic force of the compression spring (74) until the transmission cylinder shell (71) is in transmission connection with the upper end face of the input gear (33) and the posture of the bone nail (8) is kept unchanged;
step 2, rubbing the bone nail (8):
the hand-held shell (1) is held by a hand, and the bottom rotating wheel (13b) is in transmission connection with a horizontal plane;
the handheld shell (1) is pushed to drive the bottom rotating wheel (13b) to rotate, and the driving bevel gear (13c) acts on the driven bevel gear (22) to drive the input sleeve (21) and the input disc body (23) to rotate;
the input disc body (23) drives the middle conical disc (4) to rotate through the speed regulation conical disc (5) positioned above the input disc body;
the middle conical disc (4) drives the output disc body (32) and the input gear (33) to rotate through a speed regulation conical disc (5) positioned above the middle conical disc;
the input gear (33) acts on the transmission cylinder shell (71) to drive the conical head insert block (73) to rotate;
the conical groove of the conical head inserting block (73) is used for rubbing the conical head of the bone nail (8);
step 3, adjusting the rotating speed:
the push rod lug (13f) is pulled to drive the sliding push rod (13e) to rotate along the arc-shaped side hole (13d) by taking the bottom center shaft (13a) as an axis;
the sliding push rod (13e) acts on the second insertion lug (52c) to drive the rotary conical cover (52) to rotate;
speed governing chute (52b) rotate and drive slip spheroid (51c), rotate the lantern ring (51d) and be in slide on the rectangle rib (51b), adjust the position of rotating the lantern ring (51d), adjust the transmission ratio of speed governing awl dish (5) is adjusted the rotational speed of input gear (33), conical head inserted block (73) is adjusted the friction effect of bone nail (8).
2. The bone screw conical head processing method for orthopedics department according to claim 1, characterized in that: an included angle alpha between the connecting line directions of the two ends of the speed regulating chute (52b) and the connecting line direction between the center of the speed regulating chute (52b) and the conical top of the conical cover body (52a) is 30-60 degrees of a central angle.
3. The method for processing the bone screw conical head for the orthopaedics according to the claim 2, characterized in that: the push rod lug (13f) and the arc-shaped side hole (13d) are in interference fit, so that the push rod lug (13f) and the sliding push rod (13e) keep stable postures in a normal state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157984.2A CN108403223B (en) | 2018-02-25 | 2018-02-25 | Bone nail conical head processing method for orthopedics department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157984.2A CN108403223B (en) | 2018-02-25 | 2018-02-25 | Bone nail conical head processing method for orthopedics department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108403223A CN108403223A (en) | 2018-08-17 |
| CN108403223B true CN108403223B (en) | 2020-10-23 |
Family
ID=63128952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810157984.2A Expired - Fee Related CN108403223B (en) | 2018-02-25 | 2018-02-25 | Bone nail conical head processing method for orthopedics department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108403223B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742692B (en) * | 2018-12-13 | 2021-01-05 | 国网江苏省电力有限公司苏州供电分公司 | Pre-adjusting method of double-core cable splitting processing device of smart power grid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201759A (en) * | 1996-01-26 | 1997-08-05 | Furukawa Electric Co Ltd:The | Device for polishing optical fiber connector |
| CN201419342Y (en) * | 2009-01-22 | 2010-03-10 | 贾楠林 | Multi-purposed drill bit grinder for mining |
| CN205340943U (en) * | 2015-12-24 | 2016-06-29 | 北京瑞驰拓维科技有限公司 | High wearing feature inside lining polyurethane grinding vessel |
| CN205552218U (en) * | 2016-02-19 | 2016-09-07 | 胡建坤 | Electric grinder |
| CN206898953U (en) * | 2017-07-14 | 2018-01-19 | 天津市浩越全五金制品股份有限公司 | A kind of nail grinding apparatus |
-
2018
- 2018-02-25 CN CN201810157984.2A patent/CN108403223B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09201759A (en) * | 1996-01-26 | 1997-08-05 | Furukawa Electric Co Ltd:The | Device for polishing optical fiber connector |
| CN201419342Y (en) * | 2009-01-22 | 2010-03-10 | 贾楠林 | Multi-purposed drill bit grinder for mining |
| CN205340943U (en) * | 2015-12-24 | 2016-06-29 | 北京瑞驰拓维科技有限公司 | High wearing feature inside lining polyurethane grinding vessel |
| CN205552218U (en) * | 2016-02-19 | 2016-09-07 | 胡建坤 | Electric grinder |
| CN206898953U (en) * | 2017-07-14 | 2018-01-19 | 天津市浩越全五金制品股份有限公司 | A kind of nail grinding apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108403223A (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108312019B (en) | Side surface treatment method of bone nail for orthopedics department | |
| CN105050518B (en) | Bone screws and bottle opener is held automatically | |
| CN108312020B (en) | Bone nail processing apparatus for orthopedics | |
| WO2015078229A1 (en) | Electrodeless variable angle sideways drill grinding head and drive components thereof | |
| JPH10314185A (en) | Hand piece | |
| CN108403223B (en) | Bone nail conical head processing method for orthopedics department | |
| US11344351B2 (en) | Surgical instrument | |
| JP6672183B2 (en) | Separable guide device for anatomical implants | |
| JP2019111341A (en) | Headless compression screw driver system | |
| US20230301664A1 (en) | Multiple Connection Drive Shaft | |
| CN107496137A (en) | A kind of four limbs recovery training appliance for recovery with regulation damping | |
| CN109475359A (en) | Operating milling tool | |
| CN207220866U (en) | A kind of pedicle of vertebral arch screw nails on nail device | |
| CN208823391U (en) | A kind of medical surgical rehabilitation nursing device | |
| CN109480994A (en) | Orthopaedics pedicle screw | |
| CN106572912B (en) | Surgical implant and related installation tool, surgical kit and method of manufacture | |
| CN107049466B (en) | Bone surgery screwdriver | |
| CN105902295B (en) | Deflecting abrasive drilling power handle and its component | |
| CN209137031U (en) | A kind of orthopaedics therapy bone split engaging device | |
| CN103784207B (en) | A kind of personal electric burnisher | |
| CN112315549A (en) | Connecting mechanism of ultrasonic knife and transducer and ultrasonic knife assembly adopting same | |
| CN108836792A (en) | A kind of muscle and deep is loosened instrument | |
| CN202682039U (en) | Medical combined universal screwdriver | |
| CN110141352A (en) | A kind of ankle surgery Jower tibiofibular joint replacement and fixation guider | |
| CN201076514Y (en) | Cervical posterior approach bolt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lu Quzhe Inventor after: Liu Dongqiang Inventor after: Yi Changbin Inventor after: Pan Feng Inventor before: Pan Feng |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200918 Address after: 422000 Xueyuan Road Shaoyang University, Daxiang District, Shaoyang, Hunan Applicant after: SHAOYANG University Address before: 255000 No. 297, Gu Xuan Dian village, Beijiao Town, Zhoucun District, Zibo, Shandong. Applicant before: Pan Feng |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |