CN114145808A - Acetabulum tool, acetabulum file system and acetabulum trial system - Google Patents
Acetabulum tool, acetabulum file system and acetabulum trial system Download PDFInfo
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- CN114145808A CN114145808A CN202111521628.2A CN202111521628A CN114145808A CN 114145808 A CN114145808 A CN 114145808A CN 202111521628 A CN202111521628 A CN 202111521628A CN 114145808 A CN114145808 A CN 114145808A
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- 210000000588 acetabulum Anatomy 0.000 title claims abstract description 78
- 210000000988 bone and bone Anatomy 0.000 claims description 33
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000002513 implantation Methods 0.000 abstract description 13
- 210000004394 hip joint Anatomy 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 239000012634 fragment Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011540 hip replacement Methods 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 108010048734 sclerotin Proteins 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 206010020100 Hip fracture Diseases 0.000 description 1
- 208000012659 Joint disease Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000011541 total hip replacement Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1659—Surgical rasps, files, planes, or scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1664—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip
- A61B17/1666—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the hip for the acetabulum
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4684—Trial or dummy prostheses
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Dentistry (AREA)
- Transplantation (AREA)
- Physical Education & Sports Medicine (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Prostheses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an acetabulum tool, an acetabulum file system and an acetabulum trial model system, wherein the acetabulum tool comprises a bowl-shaped structure body, a through hole positioned on the side wall of the body and a file positioned on the outer wall of the body, the acetabulum file system comprises an acetabulum tool, a rod piece connected with the acetabulum tool and a sleeve connected with the acetabulum tool, and the acetabulum trial model system comprises an acetabulum tool and a lining trial model arranged in the acetabulum tool. The acetabulum tool disclosed by the invention can be used as an acetabulum file to grind and pin an acetabulum socket, and can also be used as an acetabulum trial model to simulate the implantation situation of an acetabulum cup, so that the number of instruments in the hip joint replacement operation is effectively reduced; the acetabular file system can not cause the opening of the acetabular tool to be blocked, so that when the acetabular tool is used as an acetabular trial mold, a lining trial mold can be placed in the acetabular tool; the acetabulum trial mould system is provided with a lining trial mould matched with an acetabulum tool for use.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an acetabulum tool, an acetabulum file system and an acetabulum trial model system.
Background
The Chinese population tends to be aging, more and more middle-aged and elderly people have hip joint abrasion due to age increase, and the hip joint disease probability also increases year by year along with the change of life style of people. Total hip replacement is an effective treatment for hip joint deformity, lesions, wear and even hip fractures. Hip replacement requires the resection of the original bone on the acetabular and femoral sides and then implantation of an existing artificial prosthesis therein to simulate the motion of the original hip.
At present, the existing acetabulum side operation mainly uses an acetabulum file to file an acetabulum fossa of a patient, the acetabulum file needs an acetabulum file connecting rod to be connected and driven, and the function of filing is achieved through high-speed rotation. Because the sizes of the acetabular fossae of each person are different, the acetabular file needs to be configured with the specifications with the diameters from phi 38 to phi 71 according to the sizes of the acetabular fossae, and each specification has a millimeter gradient, so 34 specifications are needed; after filing the acetabular fossa, theoretically implanting an artificial acetabular cup, but actually, in order to ensure one-time success, an acetabular trial mold is firstly used for simulating the implantation situation of the acetabular cup, and the commonly used acetabular trial mold comprises specifications with the diameter from phi 42 to phi 64, and the difference between each specification is two millimeters, namely 12 specifications; besides the difference of the acetabular fossa, the femoral head of the human body has great difference, and the diameters of the femoral heads under the acetabular fossa with the same size may have different diameters, so that when the implantation situation of the acetabular cup is simulated in the operation, a switching tool, namely a lining test mould, is required between the outer cup test mould and the ball head test mould, and the common specifications of the lining test moulds are 17; in summary, to complete the basic operation on the acetabulum side, 64 tools are needed, so the number of surgical tools makes the operation on the acetabulum side very tedious, and has very high requirements on the high concentration of the mind of doctors, therefore, the reduction of the number of surgical tools is one of the problems to be solved in the hip replacement;
in addition, in the acetabulum side operation, a common acetabulum file connecting rod is combined with a cross fixing frame on an acetabulum file so as to achieve the connecting function, and because each filing can not directly select a proper specification, files with relatively smaller specifications can be selected for filing, and then the files are replaced by specifications one by one and repeatedly filed until a proper specification is found, and meanwhile, the angles of the files are required to be adjusted in the filing process, so that the acetabulum file connecting rod and the acetabulum file are not only simple in driving connection, but also required to be capable of keeping the torsion and the push-pull between the acetabulum file connecting rod and the acetabulum file fixed and inseparable, which causes the structure of the acetabulum file connecting rod to be relatively complex, and is not beneficial to subsequent cleaning and recycling;
moreover, the conventional acetabular file is easy to wear due to the design defect of the filing cutting edge, so that the conventional acetabular file is used as a wearing part, which causes great waste of tool amount and cost.
Based on the defects, the invention discloses an acetabulum tool, an acetabulum file system and an acetabulum trial model system, which aim to solve the problems in the prior art.
Disclosure of Invention
The present invention is directed to an acetabular tool, an acetabular file system and an acetabular trial system, which are used to solve the problems of the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: an acetabular tool, comprising: the body is of a bowl-shaped structure; the through hole is positioned on the side wall of the body and communicates the inner side and the outer side of the body; the file is positioned on the outer wall of the body, one end of the file extends to the center of the bottom of the body, and the other end of the file extends to the edge of the body.
Preferably, there are several of said files, each of said files comprising: the knife backs are smooth arc surfaces, and the knife backs are positioned on the same bowl-shaped surface; the cutting edge is an auxiliary angle formed between the knife back and the body, and is of a smooth groove-shaped structure along the knife back; the cutting edge is a smooth arc line formed by the intersection of the knife back and the cutting edge.
Preferably, the rasp is spirally disposed along an outer wall of the body.
Preferably, there are a plurality of through holes, each through hole is a waist-shaped through hole, and the extending direction of each waist-shaped through hole is the same as the extending direction of the file.
An acetabular file system comprises an acetabular tool, a rod and a sleeve, wherein a polygonal square column is arranged at one end of the rod, the sleeve is sleeved on the rod and is rotatably connected with the rod, the sleeve can translate along the rod, a gap is reserved between one end of the sleeve, which is close to the polygonal square column, and the rod, and an internal thread is arranged at the gap of the sleeve; the body of the acetabulum tool further comprises a first cylinder, the first cylinder is located on the inner wall of the body, a polygonal square hole is formed in the first cylinder, and external threads are arranged on the outer wall of the first cylinder.
Preferably, the middle part of the rod piece is provided with a flange groove, the middle part of the sleeve is provided with a pin, and one end of the pin extends into the flange groove.
Preferably, the groove width of the rim groove is smaller than the length of the external thread.
Preferably, the rod is further provided with a sheath on the outside.
An acetabular trial system comprising an acetabular tool; the body of the acetabular tool further comprises a second post, the second post being located within the body; the acetabulum trial mould system further comprises a lining trial mould, wherein the lining trial mould is positioned in the body and is attached to the body, a column groove is formed in the outer part of the lining trial mould, and the second column corresponds to the column groove.
Preferably, the edge of body is provided with a plurality of inside lining draw-in grooves, inside lining examination mould edge is provided with a plurality of petal archs, the inside lining draw-in groove with the petal is protruding to correspond.
Compared with the prior art, the invention has the following beneficial effects:
1. the acetabular file used in the prior acetabular lateral surgery can directly replace an acetabular trial mold to simulate the implantation situation of an acetabular cup prosthesis theoretically, but the filing points of the prior acetabular file are dispersed, the contact area between the filing points and sclerotin is small, if the acetabular file is replaced by the acetabular trial mold, the stability is poor, and the acetabular file cannot be tightly and stably attached to the sclerotin, but the file of the acetabular file disclosed by the invention has a strip-shaped structure and a large occupied space, and when the acetabular file is placed in an acetabular socket as the acetabular trial mold, the acetabular tool can be stably placed, namely the acetabular tool can be applied to an acetabular file system to grind the acetabular socket as the acetabular file and can also be applied to an acetabular trial mold system to simulate the implantation situation of the acetabular cup prosthesis as the acetabular trial mold, so that a whole group of acetabular trial molds in the prior acetabular tool system are reduced, the number of tools is reduced to a great extent;
2. according to the acetabular tool disclosed by the invention, the file adopts a five-axis grinding process, compared with the common tooth pressing process, the file is high in cutting sharpness and wear-resistant, the acetabular file gets rid of the name of a worn part, the replacement of the acetabular file is not required for fixed operation times, and the replacement cost is reduced;
3. the invention discloses an acetabular bone file system, wherein the connection mode of an acetabular bone tool and a rod piece is the matching of a polygonal square hole and a polygonal square column and the matching of internal threads and external threads, and the connection between the rod piece and the acetabular bone tool cancels the traditional connection through a cross, so that the open end of the acetabular bone tool cannot be blocked, and the possibility is provided for the matching of the acetabular bone tool and a lining trial model when the subsequent acetabular bone tool is used as an acetabular bone trial model;
4. according to the acetabular file system disclosed by the invention, after the acetabular file is connected with the rod piece as an acetabular file, the polygonal square column plays a unique driving and conducting role for the acetabular file, and the acetabular file and the rod piece are mutually fixed under the hanging effect of the sleeve on the acetabular file, so that the acetabular file can be withdrawn at any time in the operation, the phenomenon that the acetabular file is left in the body and needs other tools to be taken out is avoided, and the actions of replacing the acetabular file by a doctor, taking out in real time, observing and the like are facilitated; moreover, all the conduction forces are hexagonal, and the thread is tightly hung without other forces, so that the phenomenon of thread locking is avoided, meanwhile, only about three threads are needed to be screwed, the whole screwing process does not take time, the stroke is short, and only the effect of withdrawing the acetabular file from the acetabular fossa is needed; therefore, the connection mode of the acetabulum tool and the rod piece is simpler and more efficient than the traditional connection mode, which is beneficial to the quick replacement of acetabulum tools with different specifications, and compared with the structure of the traditional cross-shaped fixing frame, the structure of the rod piece is simple and convenient, the cleaning of the connecting rod is more convenient, and the actual production cost of the acetabulum file can be reduced by about 30 percent;
5. according to the acetabulum trial mold system disclosed by the invention, the column groove is arranged outside the inner lining trial mold and corresponds to the second column body in the acetabulum tool, so that when the acetabulum tool is used as the acetabulum trial mold, a structure connected with a rod piece in the acetabulum file system can be reserved, and the multipurpose performance of the acetabulum tool is met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a perspective view of an acetabular tool according to example 1 of the invention;
FIG. 2 is a top view of an acetabular tool of example 1 of the invention;
FIG. 3 is a detail view of an acetabular tool of example 1 of the invention at location A;
FIG. 4 is a cross-sectional view of an acetabular rasp system of embodiment 2 of the invention;
fig. 5 is a sectional view of an acetabular trial system according to embodiment 3 of the invention;
in the figure:
the device comprises a body 1, a first column body 11a, a second column body 11b, a polygonal square hole 12, external threads 13 and a lining clamping groove 14;
a through hole 2;
the file 3, the back 31, the cutting edge 32 and the blade 33;
the rod member 4, the polygonal square column 41, the edge groove 42;
a sheath 7;
the inner lining test mold 8, the column groove 81 and the petal bulges 82;
a bowl-shaped surface 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: the present embodiment provides a best scheme of an acetabular tool, the acetabular tool may be used as an acetabular file for grinding an acetabular socket to prepare for implantation of an acetabular cup, or as an acetabular trial, before implantation of the acetabular cup, the acetabular trial is used to simulate an implantation situation of the acetabular cup to verify whether the acetabular socket after grinding is proper, specifically, as shown in fig. 1-2, the acetabular tool includes a body 1, the body 1 is a bowl-shaped structure, when used as an acetabular file, an outer surface of the body 1 is used as a grinding surface and is placed in the acetabular socket, the body 1 is driven by external power to grind the acetabular socket, wherein the body 1 has a plurality of specifications because the acetabular sockets of each individual are different in size;
further, as shown in fig. 1-2, the acetabular tool further comprises a through hole 2, the through hole 2 is located on the side wall of the body 1, the inner side and the outer side of the body 1 are communicated, when the acetabular tool is used as an acetabular file, the through hole 2 can reduce the weight of the acetabular file, meanwhile, bone fragments generated by the pin file can be discharged from the through hole 2, and in addition, the through hole 2 can also be used as a window, so that a doctor can conveniently observe whether the cancellous bone is filed or not through the window, and further, whether the filing is in place or not is preliminarily judged;
further, as shown in fig. 1-2, the acetabular bone tool further comprises a file 3, the file 3 is located on the outer wall of the body 1, one end of the file 3 extends to the center of the bottom of the body 1, the other end of the file 3 extends to the edge of the body 1, and the file 3 and the body 1 are integrally formed, so that when the acetabular bone tool is used as an acetabular bone file, the file 3 is in an extended strip-shaped structure, which is beneficial to guiding bone fragments generated by a pin file, so that the bone fragments enter the through hole 2 and are discharged along the file 3, and the file 3 can be in a shape capable of filing the whole wall surface of an acetabular fossa and is uniform in filing;
further, as shown in fig. 1-2, a plurality of through holes 2 are arranged around the body 1 at equal intervals, the through holes 2 are waist-shaped through holes, and the extending direction of the waist-shaped through holes is the same as that of the rasp 3, so that bone fragments can be timely discharged through the through holes 2, the area of a window is increased, and the weight of the acetabular rasp is further reduced;
further, as shown in fig. 1, the rasp 3 is spirally arranged along the outer wall of the body 1, and one end of the rasp is stopped at the center of the bottom of the body 1, and the other end is stopped at the edge of the body 1, so that the rasp is more beneficial to generate micro motion of bone fragments, thereby discharging the bone fragments;
further, as shown in fig. 1-2, a plurality of files 3 are arranged around the body 1 at equal intervals;
further, as shown in fig. 3, each file 3 comprises a back 31, the back 31 is a smooth arc surface, a plurality of backs 31 are located on the same bowl-shaped surface 9, when the acetabular tool is used as an acetabular trial mold, the bowl-shaped surface 9 is used as the outer part of the acetabular trial mold to contact with a ground acetabular fossa, so that stable contact can be formed between the bowl-shaped surface 9 and the acetabular fossa, and the implantation condition of the acetabular cup can be simulated;
further, as shown in fig. 3, the file 3 further includes a cutting edge 32, the cutting edge 32 is a minor angle formed between the back 31 and the body 1, the cutting edge 32 is in a smooth groove-shaped structure along the back 31, the cutting edge 32 ensures good filing force during filing, and meanwhile, the wear of the cutting edge 32 is reduced by the wide and thick back 31;
further, as shown in fig. 3, the file 3 further includes a blade 33, and the blade 33 is a smooth arc formed by the intersection of the back 31 and the cutting edge 32.
Example 2: the present embodiment provides a best scheme of an acetabular bone filing system, as shown in fig. 4, specifically including the acetabular bone filing system of embodiment 1, wherein the body 1 of the acetabular bone filing system further includes a first cylinder 11a, the first cylinder 11a is located on the inner wall of the body 1, a polygonal square hole 12 is opened in the first cylinder 11a, the acetabular bone filing system further includes a rod 4, one end of the rod 4 is provided with a polygonal square column 41, the polygonal square column 41 corresponds to the polygonal square hole 12, the polygonal square column 41 is placed in the polygonal square hole 12, the acetabular bone filing system can preliminarily connect the acetabular bone filing system with the rod 4, even if there is no circumferential rotation between the acetabular bone filing system and the rod 4;
further, as shown in fig. 4, an external thread 13 is further provided on an outer wall of the first cylinder 11a, the acetabular bone filing system further includes a sleeve 5, the sleeve 5 is sleeved on the rod 4 and is rotatably connected with the rod 4, the sleeve 5 can be translated along the rod 4, a gap 6 is left between one end of the sleeve 5 close to the polygonal square column 41 and the rod 4, the first cylinder 11a can be placed in the gap 6, an internal thread 51 is provided at the gap 6 of the sleeve 5, the external thread 13 is screwed with the internal thread 51, so that the acetabular bone tool and the rod 4 can be further connected, even if there is no axial movement between the acetabular bone tool and the rod 4, and then power is connected to the other end of the rod 4, the rod 4 can be driven to rotate, and the acetabular bone tool can be further driven to rotate, and the acetabular bone can be filed as an acetabular bone filing file;
in the acetabular file system, the connection mode of the acetabular tool and the rod piece 4 does not cause the opening of the acetabular tool to be blocked, so that the opening end of the acetabular tool is in a completely open state, and when the acetabular tool in the acetabular file system is used as an acetabular trial mold, a lining trial mold can be placed in the acetabular tool;
further, as shown in fig. 4, a rim groove 42 is formed in the middle of the rod 4, a pin 52 is formed in the middle of the sleeve 5, one end of the pin 52 extends into the rim groove 42, so that the sleeve 5 and the rod 4 are rotatably connected, and the groove width of the rim groove 42 is larger than the diameter of the pin 52, so that the sleeve 5 can translate along the rod 4;
further, as shown in fig. 4, the groove width of the rim groove 42 is smaller than the length of the external thread 13, so that when the sleeve 5 is connected with the acetabular tool, the polygonal square column 41 is completely placed in the polygonal square hole 12, the polygonal square column 41 plays a unique driving and conducting role for the acetabular tool, and under the resisting effect of the rim groove 42 and the pin 52, the external thread 13 and the internal thread 51 cannot be completely screwed, the sleeve 5 plays a role in tightly hanging the acetabular tool, so that the condition that the rod member 4 and the acetabular tool are loosened in the transmission process can be avoided, and the sleeve 5 and the acetabular tool can be prevented from being stuck;
further, as shown in fig. 4, a sheath 7 is further disposed outside the rod 4, the sheath 7 is made of PTFE, and the rod 4 is driven by the power device to rotate, so that the handle safety during filing is facilitated due to the high lubrication characteristic of the PTFE.
Example 3: the present embodiment provides a best solution of an acetabular trial system, as shown in fig. 5, specifically including the acetabular tool in embodiment 1, the body 1 of the acetabular tool further includes a second post 11b, the second post 11b is located in the body 1, when the acetabulum tool is used as an acetabulum file, the second cylinder 11b is used for being connected with a power device, the acetabulum trial mould system also comprises a lining trial mould 8, the lining trial mould 8 is positioned in the body 1, a column groove 81 is arranged outside the lining test mould 8, the second column body 11b corresponds to the column groove 81, when the acetabulum tool is used as an acetabulum test mould, the acetabulum tool is arranged in an acetabulum socket, the lining test mould 8 is arranged in the acetabulum tool, the ball head of the femoral stem is arranged in the lining test mould 8, the implantation situation of the acetabulum cup is completely simulated, the column groove 81 is used for avoiding the second column body 11b and providing conditions for an acetabulum tool to serve as an acetabulum trial mold;
further, as figure 5, the edge of body 1 is provided with a plurality of inside lining draw-in grooves 14, and 8 edges of inside lining examination mould are provided with a plurality of petal arch 82, and inside lining draw-in groove 14 corresponds with petal arch 82, and inside lining draw-in groove 14 and petal arch 82 are used for blocking inside lining examination mould 8, and when preventing the implantation situation of simulation acetabular cup, inside lining examination mould 8 is rotatory in acetabular bone instrument inboard, and the inside lining draw-in groove 14 and the petal arch 82 of equipartition range simultaneously also can carry out the regulation of special angle to inside lining examination mould 8.
The working principle of the invention is as follows: when an acetabulum side operation is performed, an acetabulum file system is utilized to grind an acetabulum socket, specifically, a rod piece 4 is connected with an acetabulum tool with a proper specification, then the rod piece 4 is connected with a power end, and the acetabulum tool is used as an acetabulum file to grind the acetabulum socket; then, simulating the implantation condition of the acetabular cup by using an acetabular trial mold system, specifically, removing the rod piece 4 and an acetabular tool, taking the acetabular tool as an acetabular trial mold, arranging a lining trial mold in the acetabular trial mold, arranging a ball head trial mold in the lining trial mold, and arranging the acetabular trial mold system in an acetabular socket for simulation; finally, the acetabulum prosthesis is implanted into the acetabulum fossa.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An acetabular tool, comprising:
the body is of a bowl-shaped structure;
the through hole is positioned on the side wall of the body and communicates the inner side and the outer side of the body;
the file is positioned on the outer wall of the body, one end of the file extends to the center of the bottom of the body, and the other end of the file extends to the edge of the body.
2. An acetabular tool according to claim 1 wherein there are a plurality of files, each file including:
the knife backs are smooth arc surfaces, and the knife backs are positioned on the same bowl-shaped surface;
the cutting edge is an auxiliary angle formed between the knife back and the body, and is of a smooth groove-shaped structure along the knife back;
the cutting edge is a smooth arc line formed by the intersection of the knife back and the cutting edge.
3. An acetabular tool according to claim 1 or claim 2 wherein the rasp is helically disposed along the outer wall of the body.
4. An acetabular tool according to claim 1 or claim 2 wherein there are a plurality of through holes, the through holes being kidney-shaped, the kidney-shaped holes extending in the same direction as the rasps.
5. An acetabular filing system comprising an acetabular tool according to any one of claims 1 to 4,
the telescopic type square column type hydraulic support is characterized by further comprising a rod piece and a sleeve, wherein a polygonal square column is arranged at one end of the rod piece, the sleeve is sleeved on the rod piece and is connected with the rod piece in a rotating mode, the sleeve can move horizontally along the rod piece, a gap is reserved between one end, close to the polygonal square column, of the sleeve and the rod piece, and an internal thread is arranged at the gap of the sleeve;
the body of the acetabulum tool further comprises a first cylinder, the first cylinder is located on the inner wall of the body, a polygonal square hole is formed in the first cylinder, and external threads are arranged on the outer wall of the first cylinder.
6. An acetabular file system according to claim 5 wherein: the middle part of the rod piece is provided with a flange groove, the middle part of the sleeve is provided with a pin, and one end of the pin extends into the flange groove.
7. The acetabular file system of claim 6, wherein: the groove width of the flange groove is smaller than the length of the external thread.
8. An acetabular file system according to any one of claims 5 to 7 wherein: and a sheath is also arranged outside the rod piece.
9. The utility model provides an acetabular bone examination mould system which characterized in that: an acetabular tool comprising the acetabular component of any one of claims 1-4;
the body of the acetabular tool further comprises a second post, the second post being located within the body;
the acetabulum trial mould system further comprises a lining trial mould, wherein the lining trial mould is positioned in the body and is attached to the body, a column groove is formed in the outer part of the lining trial mould, and the second column corresponds to the column groove.
10. The acetabular trial system of claim 9, wherein: the edge of body is provided with a plurality of inside lining draw-in grooves, inside lining examination mould edge is provided with a plurality of petal archs, the inside lining draw-in groove with the petal is protruding to correspond.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111521628.2A CN114145808B (en) | 2021-12-13 | 2021-12-13 | Acetabular tool, acetabular file system and acetabular trial mould system |
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| CN202111521628.2A CN114145808B (en) | 2021-12-13 | 2021-12-13 | Acetabular tool, acetabular file system and acetabular trial mould system |
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| CN114145808A true CN114145808A (en) | 2022-03-08 |
| CN114145808B CN114145808B (en) | 2024-01-16 |
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Cited By (1)
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| CN115105153A (en) * | 2022-05-31 | 2022-09-27 | 北京市春立正达医疗器械股份有限公司 | Matched stack formula acetabular bone cushion file |
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|---|---|
| CN114145808B (en) | 2024-01-16 |
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