CN110811717B - Rivet assembly convenient for one-step method placement and rivet one-step method placement method - Google Patents
Rivet assembly convenient for one-step method placement and rivet one-step method placement method Download PDFInfo
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- CN110811717B CN110811717B CN201911061114.6A CN201911061114A CN110811717B CN 110811717 B CN110811717 B CN 110811717B CN 201911061114 A CN201911061114 A CN 201911061114A CN 110811717 B CN110811717 B CN 110811717B
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- rivet
- tapping
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- shell
- placement
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/064—Surgical staples, i.e. penetrating the tissue
- A61B17/0642—Surgical staples, i.e. penetrating the tissue for bones, e.g. for osteosynthesis or connecting tendon to bone
-
- 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
- A61B17/1655—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for tapping
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0408—Rivets
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rheumatology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a rivet component convenient for one-step placement and a rivet one-step placement method, which realize the purpose of combining three scattered steps of drilling, tapping and rivet placement into a smooth one-step; firstly, drilling a bone position needing to be drilled by an operator; after drilling, the drill bit does not need to be pulled out, the hollow tapping is used for being inserted along the outer wall of the drill bit to tap the periphery of a drilling position on the bone, and the drill bit provides a guiding function for the hollow tapping to avoid the deviation of the tapping position; after tapping, pulling out the hollow tapping, and inserting the rivet shell along the outer wall of the drilled hole until the rivet shell is placed in the tapping part of the bone; finally, the placement of the rivet can be completed by screwing the solid rivet inner core into the rivet shell, and the rivet shell provides a certain guiding function for the rivet inner core; according to the invention, the rivets are buckled in the process of being placed into the bones of a patient, so that the rivet positioning accuracy is realized, the operation difficulty is reduced, and the risk is reduced.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a rivet assembly convenient to be placed in one step and a rivet one-step placement method.
Background
Rivets have very important applications in orthopaedics and are very useful tools for suturing tendons and ligaments.
When the traditional rivet is used, an electric drill is used for drilling, then a screw tap is used for tapping, and finally the rivet body is screwed or driven in. The whole process is carried out in three steps.
In some special cases, however, this method of placement may be difficult. Factors that are difficult include: under arthroscopy, the viewing angle is limited; the part is special and the structure is complex; the peripheral soft tissues are more and have shielding.
After drilling, the drill bit is pulled out, so that the situation that the original drilling position is difficult to find, the next tapping is difficult to carry out, or after the drill bit is pulled out, the tap is difficult to be screwed in again at the same angle is easy to occur. This also occurs when screwing or driving the rivet body.
However, this problem affects the progress of the operation, and increases the difficulty and time of the operation.
If a patient with poor bone quality is encountered, the angle of the screw-in tap deviates from the angle of the original drilling hole, the drilling hole and surrounding bone quality can be damaged, the drilling hole at the position is invalid, and a rivet cannot be placed. In many cases, the position where the rivet can be driven is limited, and the failure is likely to cause the operation to fail, which is very serious.
Disclosure of Invention
The invention provides a rivet assembly and a rivet placing method, wherein the rivet assembly integrates drilling, tapping and rivet placing in one step, and the convenience and the accuracy of rivet placing are greatly improved.
In order to achieve the above purpose, the present invention provides a rivet assembly which is convenient for one-step insertion, comprising a drill bit, a rivet shell, a hollow tapping and a rivet inner core;
the hollow tapping is a hollow cylinder; the hollow tap includes a tap end and a handle; the handle is connected to the tail end of the tapping end part; the outer surface of the side wall of the tapping end part is provided with threads for tapping;
the hollow tapping is internally provided with a through hole penetrating along the length direction; the diameter of the through hole is larger than that of the drill bit, so that the hollow tapping can be conveniently and detachably sleeved on the outer ring of the drill bit;
the shape and specification of the rivet housing are the same as the shape and specification of the tapped end; threads are arranged on the inner surface and the outer surface of the side wall of the rivet shell;
threads are arranged on the outer wall of the rivet inner core; the screw thread on the outer wall of the rivet inner core is matched with the screw thread on the inner surface of the side wall of the rivet shell, so that the rivet inner core is anastomosed in the through hole in the rivet shell.
Preferably, the tail end of the rivet inner core is provided with at least one wire for suturing soft tissues.
Preferably, the tail end of the rivet inner core is detachably connected with a rivet placing device.
Preferably, the tail end of the rivet shell is detachably connected with a rivet shell imbedding device.
Preferably, when the hollow tapping is sleeved on the outer ring of the drill bit, the maximum distance between the inner wall of the hollow tapping and the outer wall of the drill bit is less than or equal to 2mm.
The invention also provides a rivet one-step method setting method, which comprises the following steps:
step 1: drilling a bone part to be subjected to rivet placement by using a drill bit;
step 2: sleeving the hollow tapping sleeve on the outer ring of the drill bit, and tapping the bone part along the outer wall of the drilled hole;
step 3: after tapping is completed, the hollow tapping is pulled out;
step 4: sleeving a rivet shell on the outer ring of the drill bit, and placing the rivet shell into a tapping part of a bone along the outer wall of the drilled hole;
step 5: pulling out the drill bit;
step 6: and screwing the rivet inner core into the through hole of the rivet shell.
Preferably, in step 4, the rivet housing is clamped to the tail end of the rivet housing by a rivet housing insertion device, and the rivet housing is screwed to a pre-tapped position on the bone, so that the rivet housing is inserted into the bone; and after the placement of the rivet inner core is finished, taking down the rivet outer shell placement device.
Preferably, in step 6, the rivet core is screwed into the through hole of the rivet housing by a rivet insertion device; and after the rivet inner core is put in, taking down the rivet putting device.
Preferably, the tail end of the rivet inner core is connected with at least one wire for suturing soft tissues; and after the inner core of the rivet is placed, suturing soft tissues around the placement part by utilizing the wire.
Compared with the prior art, the invention has the advantages that: according to the rivet assembly and the placing method, the purpose that three scattered steps of drilling, tapping and rivet placing are combined into one step is achieved, an operator can drill a bone position needing to be drilled firstly, after drilling, a drill bit does not need to be pulled out, hollow tapping is used for being inserted along the outer wall of the drill bit to tap the periphery of a drilling position on the bone, and the drill bit provides a guiding function for the hollow tapping to avoid deviation of the tapping position; after tapping, pulling out the hollow tapping, and inserting the rivet shell along the outer wall of the drilled hole until the rivet shell is placed in the tapping part of the bone; finally, the placement of the rivet can be completed by screwing the solid rivet inner core into the rivet shell, and the rivet shell provides a certain guiding function for the rivet inner core; according to the invention, the rivets are buckled in the process of being placed into the bones of a patient, so that the rivet positioning accuracy is realized, the operation difficulty is reduced, and the risk is reduced.
Drawings
FIG. 1 is a schematic view of a drill bit according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rivet housing and rivet housing insertion device according to an embodiment of the present invention;
FIG. 3 is a schematic view of the configuration of the drill and rivet housing of the present invention;
FIG. 4 is a schematic illustration of the configuration of the rivet core and rivet housing of an embodiment of the present invention;
FIG. 5 is a schematic view of the configuration of the rivet core and rivet housing mated after completion of placement in an embodiment of the present invention;
FIG. 6 is a flow chart of a rivet one-step method of setting in accordance with an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.
The invention provides a rivet component which is convenient for one-step method placement, as shown in figures 1, 3 and 4, and comprises a drill bit 1, a rivet shell 2, a rivet inner core 3 and a hollow tapping 7;
the hollow tap 7 is a hollow cylinder, and the hollow tap 7 comprises a tap end 41 and a handle 42; a handle 42 attached to the tail end of the tapped end 41; the outer surface of the side wall of the tapping end 41 is provided with threads for tapping; the operator, by holding the handle 42, screws the tapping end 41 to tap the circumference of the drilled hole in the bone by means of the screw thread on the outer surface of the sidewall of the tapping end 41.
The hollow tapping 7 is internally provided with a through hole penetrating along the length direction; the diameter of the through hole is larger than that of the drill bit 1, so that the hollow tapping 7 can be detachably sleeved on the outer ring of the drill bit 1.
The shape and specification of the rivet housing 2 are the same as those of the tapped end 41; threads are arranged on the inner surface and the outer surface of the side wall of the rivet shell; because the specifications of the two are the same, when the tapping is finished, and the tapping end 41 is pulled out and then put into the rivet shell 2, the mutual anastomosis of the screw thread on the outer surface of the side wall of the rivet shell 2 and the screw thread on the surface of the tapping part on the bone can be realized, so that the rivet shell 2 can be put into conveniently; the arrangement of the threads on the inner surface of the side wall of the rivet shell 2 is convenient for realizing anastomosis with the threads on the outer wall of the rivet inner core 3, and is convenient for placing the rivet inner core 3.
Threads are arranged on the outer wall of the rivet inner core 3; through the mutual cooperation of the screw thread on the outer wall of the rivet inner core 3 and the screw thread on the inner wall of the rivet outer shell 2, the rivet inner core 3 is matched with the through hole of the rivet outer shell 2, and the position deviation of the rivet inner core 3 in the through hole of the rivet outer shell 2 is avoided.
In this embodiment, the tail end of the rivet core 3 is provided with at least one thread 4 for suturing soft tissue, such as ligaments, tendons, labrum, etc.
In this embodiment, as shown in fig. 4, a rivet placement device 5 is detachably connected to the tail end of the rivet core 3, and the rivet placement device 5 is convenient for screwing the rivet core 3 into the through hole of the rivet housing 2; after the placement, the detachable connection mode is convenient for the removal of the rivet placement device 5.
In this embodiment, as shown in fig. 2, a rivet housing insertion device 6 is detachably connected to the tail end of the rivet housing 2, and the rivet housing insertion device 6 facilitates screwing the hollow tapping 7 into the bone at a specified position and simultaneously facilitates the force application of an operator.
In this embodiment, when hollow tapping 7 cup joints in drill bit 1 outer lane, the maximum interval between hollow tapping 7 inner wall and the drill bit 1 outer wall is less than 2mm, avoids drill bit 1 when leading to hollow tapping 7 for the guide, because the clearance is too big, leads to hollow tapping 7's implantation position to take place the skew.
As shown in fig. 6, the invention further provides a rivet one-step method for inserting, which comprises the following steps:
step 1: drilling a bone part to be rivet-inserted by using a drill bit 1;
step 2: the hollow tapping 7 is sleeved on the outer ring of the drill bit 1, and the tapping end 41 is screwed by holding the handle 42, so that the periphery of a drilling part on the bone is tapped by utilizing the threads on the outer surface of the side wall of the tapping end 41.
Step 3: after tapping is completed, the hollow tapping 7 is pulled out;
step 4: the rivet shell 2 is clamped at the tail end of the rivet shell 2 through a rivet shell embedding device 6, and the rivet shell 2 is continuously pushed and screwed, so that the rivet shell 2 is screwed into a pre-tapped part on a bone along the outer wall of a drill bit;
step 5: pulling out the drill bit 1;
step 6: the rivet inner core 3 is screwed in the through hole of the rivet shell 2 through the rivet placing device 5;
step 5: as shown in fig. 5, after the placement of the rivet core 3 is completed, the rivet placement device 5 and the rivet housing placement device 6 are removed;
step 6: the tail end of the rivet inner core 3 is connected with at least one thread 4 for suturing soft tissues; after the rivet core 3 is placed, the soft tissues around the placement position are sutured by the thread 4.
According to the rivet assembly and the placing method, the purpose that three scattered steps of drilling, tapping and rivet placing are combined into one step is achieved, an operator can drill a bone position needing to be drilled firstly, after drilling, a drill bit 1 does not need to be pulled out, a hollow tapping 7 is inserted along the outer wall of the drill bit 1 to tap the periphery of a drilling position on the bone, and the drill bit 1 provides a guiding function for the hollow tapping 7 to avoid deviation of the tapping position; after tapping, the hollow tap 7 is pulled out, and the rivet housing 2 is inserted along the outer wall of the drill hole until the rivet housing 2 is placed in the tapping position of the bone; finally, the placement of the rivet can be completed by screwing the solid rivet inner core 3 into the rivet shell 2, and the rivet shell 2 provides a certain guiding function for the rivet inner core 3; according to the invention, the rivets are buckled in the process of being placed into the bones of a patient, so that the rivet positioning accuracy is realized, the operation difficulty is reduced, and the risk is reduced.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Any person skilled in the art will make any equivalent substitution or modification to the technical solution and technical content disclosed in the invention without departing from the scope of the technical solution of the invention, and the technical solution of the invention is not departing from the scope of the invention.
Claims (5)
1. A rivet component which is convenient for one-step method placement, and is characterized by comprising a drill bit, a hollow tapping, a rivet shell and a rivet inner core;
the hollow tapping is a hollow cylinder; the hollow tap includes a tap end and a handle; the handle is connected to the tail end of the tapping end part; the outer surface of the side wall of the tapping end part is provided with threads for tapping;
the hollow tapping is internally provided with a through hole penetrating along the length direction; the diameter of the through hole is larger than that of the drill bit, so that the hollow tapping can be conveniently and detachably sleeved on the outer ring of the drill bit;
the shape and specification of the rivet housing are the same as the shape and specification of the tapped end; threads are arranged on the inner surface and the outer surface of the side wall of the rivet shell;
threads are arranged on the outer wall of the rivet inner core; the rivet inner core is matched with the through hole in the rivet shell through the mutual matching of the screw thread on the outer wall of the rivet inner core and the screw thread on the inner surface of the side wall of the rivet shell;
the hollow tapping is used for being inserted along the outer wall of the drill bit, the drill bit provides a guiding function for the hollow tapping, the hollow tapping is pulled out, and the rivet shell is inserted along the outer wall of the drill hole until the rivet shell is placed in the tapping position of the bone; the rivet can be placed by screwing the solid rivet inner core into the rivet shell, and the rivet shell provides a certain guiding function for the rivet inner core.
2. The rivet assembly, which facilitates one-step placement, as recited in claim 1, wherein a tail end of the rivet core is provided with at least one wire for suturing soft tissue.
3. The rivet assembly, which facilitates one-step placement, as recited in claim 1, wherein a rivet placement device is removably attached to a tail end of the rivet core.
4. The rivet assembly, which facilitates one-step placement, as recited in claim 1, wherein a rivet housing placement device is removably attached to a tail end of the rivet housing.
5. The rivet assembly of claim 1, wherein a maximum spacing between the hollow tapped inner wall and the bit outer wall is less than 2mm when the hollow tapped sleeve is engaged with the bit outer ring.
Priority Applications (1)
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CN201911061114.6A CN110811717B (en) | 2019-11-01 | 2019-11-01 | Rivet assembly convenient for one-step method placement and rivet one-step method placement method |
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CN201911061114.6A CN110811717B (en) | 2019-11-01 | 2019-11-01 | Rivet assembly convenient for one-step method placement and rivet one-step method placement method |
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CN110811717A CN110811717A (en) | 2020-02-21 |
CN110811717B true CN110811717B (en) | 2023-10-13 |
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Citations (10)
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CN88211332U (en) * | 1988-01-12 | 1988-12-28 | 龚伟海 | One-shot drilling and tapping tool |
CN2132862Y (en) * | 1991-11-12 | 1993-05-12 | 上海异型铆钉厂 | Solid rivet |
US5259398A (en) * | 1989-10-26 | 1993-11-09 | Giuseppe Vrespa | Method for fixing prosthesis to bones |
JP2003290245A (en) * | 2002-04-02 | 2003-10-14 | Horikkusu:Kk | Screw member |
CN101356380A (en) * | 2005-08-29 | 2009-01-28 | 阿特莱尔·德拉洪特加罗内及奥里罗尔与塞耶公司 | Blind rivet, in particular for fixing a structure, and method for installing same |
CN101912300A (en) * | 2009-09-29 | 2010-12-15 | 张强 | Multi-section device for fixing and imbedding vertebral pedicle screws used in minimally invasive thoracolumbar vertebrae fractures |
CN202761431U (en) * | 2012-07-03 | 2013-03-06 | 张强 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
JP2013141541A (en) * | 2012-01-11 | 2013-07-22 | Olympus Corp | Bone junction tool |
CN209074854U (en) * | 2018-08-28 | 2019-07-09 | 中国人民解放军总医院 | A kind of Minimally Invasive Surgery screw merging auxiliary device |
CN212281471U (en) * | 2019-11-01 | 2021-01-05 | 上海市第六人民医院 | Rivet assembly convenient to put into by one-step method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8043347B2 (en) * | 2005-12-29 | 2011-10-25 | Industrial Technology Research Institute | Device and method for fixing soft tissue |
US20110106170A1 (en) * | 2008-08-14 | 2011-05-05 | Doerr Timothy E | Tack for spine fixation |
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2019
- 2019-11-01 CN CN201911061114.6A patent/CN110811717B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN88211332U (en) * | 1988-01-12 | 1988-12-28 | 龚伟海 | One-shot drilling and tapping tool |
US5259398A (en) * | 1989-10-26 | 1993-11-09 | Giuseppe Vrespa | Method for fixing prosthesis to bones |
CN2132862Y (en) * | 1991-11-12 | 1993-05-12 | 上海异型铆钉厂 | Solid rivet |
JP2003290245A (en) * | 2002-04-02 | 2003-10-14 | Horikkusu:Kk | Screw member |
CN101356380A (en) * | 2005-08-29 | 2009-01-28 | 阿特莱尔·德拉洪特加罗内及奥里罗尔与塞耶公司 | Blind rivet, in particular for fixing a structure, and method for installing same |
CN101912300A (en) * | 2009-09-29 | 2010-12-15 | 张强 | Multi-section device for fixing and imbedding vertebral pedicle screws used in minimally invasive thoracolumbar vertebrae fractures |
JP2013141541A (en) * | 2012-01-11 | 2013-07-22 | Olympus Corp | Bone junction tool |
CN202761431U (en) * | 2012-07-03 | 2013-03-06 | 张强 | Minimally invasive fracture bolt-imbedding machine capable of fixing multiple segments |
CN209074854U (en) * | 2018-08-28 | 2019-07-09 | 中国人民解放军总医院 | A kind of Minimally Invasive Surgery screw merging auxiliary device |
CN212281471U (en) * | 2019-11-01 | 2021-01-05 | 上海市第六人民医院 | Rivet assembly convenient to put into by one-step method |
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