CN109620485B - Holder for holding 3D printed knee bone defect implants - Google Patents
Holder for holding 3D printed knee bone defect implants Download PDFInfo
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- CN109620485B CN109620485B CN201910047175.0A CN201910047175A CN109620485B CN 109620485 B CN109620485 B CN 109620485B CN 201910047175 A CN201910047175 A CN 201910047175A CN 109620485 B CN109620485 B CN 109620485B
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- connecting rod
- outer sleeve
- adjusting rod
- clamping jaws
- close
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- 230000007547 defect Effects 0.000 title claims abstract description 31
- 239000007943 implant Substances 0.000 title claims abstract description 29
- 210000000988 bone and bone Anatomy 0.000 title abstract description 8
- 210000003127 knee Anatomy 0.000 title 1
- 210000000629 knee joint Anatomy 0.000 claims abstract description 29
- 238000010146 3D printing Methods 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
-
- 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 for implanting artificial joints
- A61F2/4601—Special tools for implanting artificial joints for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
-
- 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 for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2/461—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof of knees
-
- 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 for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
-
- 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 for implanting artificial joints
- A61F2/4603—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof
- A61F2002/4619—Special tools for implanting artificial joints for insertion or extraction of endoprosthetic joints or of accessories thereof for extraction
Landscapes
- Health & Medical Sciences (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physical Education & Sports Medicine (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
本申请公开了一种用于持取3D打印成型的膝关节骨缺损植入物的持取器，包括外套管以及滑动设置于所述外套管中心的连接杆，所述连接杆的两端分别传动连接有调节杆和一对可以开闭的夹爪，所述外套管包括一体成型的第一台阶轴和第二台阶轴，所述外套管中心凹设有台阶通孔，所述台阶通孔包括相互连通的第一台阶孔和第二台阶孔，所述第二台阶孔为螺纹孔，所述调节杆通过螺纹连接设置于所述第二台阶孔内，所述调节杆通过接头连接于所述连接杆，所述接头可自由转动连接于所述调节杆，一对所述夹爪通过两连杆交叉铰接于所述连接杆背离所述调节杆的一端。该申请适用于各种形状、大小的3D打印人工骨块，持取方便的，可操作性强。
The present application discloses a holder for holding a 3D printed implant for knee joint bone defect, comprising an outer sleeve and a connecting rod slidably arranged in the center of the outer sleeve, two ends of the connecting rod are respectively The transmission is connected with an adjusting rod and a pair of clamping jaws that can be opened and closed. The outer sleeve includes a first stepped shaft and a second stepped shaft that are integrally formed. It includes a first step hole and a second step hole that communicate with each other, the second step hole is a threaded hole, the adjusting rod is arranged in the second step hole through a threaded connection, and the adjusting rod is connected to the In the connecting rod, the joint can be freely rotatably connected to the adjusting rod, and a pair of the clamping jaws are cross-hinged to the end of the connecting rod away from the adjusting rod through two connecting rods. This application is suitable for 3D printed artificial bone blocks of various shapes and sizes, which are easy to hold and have strong operability.
Description
Technical Field
The application relates to the novel device and the technical field of first aid and rehabilitation, in particular to a holding device for holding and taking a 3D printed and formed knee joint bone defect implant.
Background
After comminuted fracture of knee joints caused by violence, operative reduction is a condition that bone defects often occur, so that an artificial bone block with bone defects is constructed by using a titanium alloy material in a 3D printing mode, and the integrity of a tibial plateau or a femoral condyle is guaranteed. The artificial bone blocks are implanted in the operation, and the artificial bone blocks are all customized products, are inconsistent in shape and size, and are troublesome to hold and take. The conventional tweezers and pliers have the problems of insufficient opening, labor-consuming operation and the like, so that a special holder is urgently needed to be designed to solve the problem.
Disclosure of Invention
The invention aims to provide a holder for holding a 3D printing molded knee joint bone defect implant, which overcomes the defects in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the embodiment of the application discloses a holding device for holding a 3D printing formed knee joint bone defect implant, which comprises an outer sleeve and a connecting rod arranged at the center of the outer sleeve in a sliding way, two ends of the connecting rod are respectively connected with an adjusting rod and a pair of clamping jaws which can be opened and closed in a transmission way, the outer sleeve comprises a first step shaft and a second step shaft which are integrally formed, the center of the outer sleeve is concavely provided with a step through hole, the step through hole comprises a first step hole and a second step hole which are communicated with each other, the second step hole is a threaded hole, the adjusting rod is arranged in the second step hole through threaded connection, the adjusting rod is connected with the connecting rod through a connector, the connector can be freely and rotatably connected with the adjusting rod, the clamping jaws are in cross hinge connection with one end, deviating from the adjusting rod, of the connecting rod through two connecting rods, and the clamping jaws are in hinge connection with the outer sleeve.
Preferably, in the above holder for holding and taking a 3D-printed knee joint bone defect implant, the joint is freely slidably disposed in the second step hole, a mounting hole is concavely formed in the center of the end surface of one side of the joint close to the connecting rod, one end of the connecting rod close to the joint is fixed in the mounting hole, and a T-shaped cylindrical boss is convexly extended at one end of the joint close to the adjusting rod.
Preferably, in foretell holder that is used for holding and gets 3D and prints fashioned defective implant of knee joint bone, it includes integrated into one piece knob portion, first connecting portion, screw rod portion, second connecting portion and swing joint portion to adjust the pole, the outer wall annular knurl of knob portion is handled, screw rod portion connect in the second step is downthehole, swing joint portion is close to the one end of connecting be equipped with the T type groove that T type cylinder boss corresponds the setting.
Preferably, in the above-mentioned holding device for holding a 3D-printed knee joint bone defect implant, an open slot is concavely formed in one end of the outer cannula close to the clamping jaw, and the clamping jaw and the two connecting rods are movably arranged in the open slot.
Preferably, in the above-mentioned holder for holding and taking a 3D-printed knee joint bone defect implant, a hinge portion is protruded from one end of the connecting rod close to the clamping jaws, one ends of the two connecting rods departing from the clamping jaws are hinged to the hinge portion, one ends of the pair of clamping jaws close to the connecting rod are respectively hinged to the corresponding connecting rods, and centers of overlapping portions of the pair of clamping jaws are hinged to the outer cannula.
Preferably, in the above-mentioned holding device for holding and taking a 3D-printed knee joint bone defect implant, one end of each of the pair of clamping jaws departing from the connecting rod is arranged in an encircling manner, and a tip portion is processed at the end portion of one side of each of the clamping jaws departing from the connecting rod.
Preferably, in the above-mentioned holding device for holding a 3D-printed knee joint bone defect implant, a handle is sleeved on an outer wall of the outer sleeve near one end of the adjusting rod, and the handle is fixed to the outer sleeve through a pin.
Compared with the prior art, the invention has the advantages that: the gripping device clamping jaw for gripping the 3D printing-formed knee joint bone defect implant is arc-shaped, the end part of the gripping device clamping jaw is provided with a tip part, and the gripping device is large in opening and closing amplitude and can adapt to 3D printing-formed knee joint bone defect implants with different shapes and sizes; the front end of the outer sleeve is in a thin rod shape, the operation view field cannot be blocked when the outer sleeve is used in an operation, and the handle is sleeved at the rear end of the outer sleeve and is convenient to hold.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a view showing a closed state of a holder for holding a 3D-printed molded knee joint bone defect implant according to an embodiment of the present invention.
FIG. 2 is a schematic structural diagram of an outer sleeve according to an embodiment of the present invention.
Fig. 3 is a schematic view illustrating the installation of the adjusting lever according to the embodiment of the present invention.
Figure 4 shows a schematic view of a jaw according to an embodiment of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in detail 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 embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1 to 4, the holder for holding and taking a 3D printing-formed knee joint bone defect implant in the present embodiment includes an outer sleeve 100 and a connecting rod 200 slidably disposed at the center of the outer sleeve 100, both ends of the connecting rod 200 are respectively connected with an adjusting rod 300 and a pair of clamping jaws 400 capable of being opened and closed in a transmission manner, the outer sleeve 100 includes a first step shaft 110 and a second step shaft 120 integrally formed, a step through hole 130 is concavely disposed at the center of the outer sleeve 100, the step through hole 130 includes a first step hole 131 and a second step hole 132 mutually communicated, the second step hole 132 is a threaded hole, the adjusting rod 300 is disposed in the second step hole 132 through a threaded connection, the adjusting rod 300 is connected to the connecting rod 200 through a joint 500, the joint 500 is freely rotatably connected to the adjusting rod 300, the pair of clamping jaws 400 are crosswise hinged to one end of the connecting rod 200 departing from the adjusting rod 300 through two connecting rods 600.
In the technical scheme, the adjusting rod rotates in the second step hole, so that the connecting rod is pushed and pulled through the joint and drives the clamping jaw to open and close through the connecting rod, and the 3D printing and forming of the knee joint bone defect implant is achieved; the opening and closing range of the holder for holding the 3D printing-formed knee joint bone defect implant is large, and the holder can be suitable for the 3D printing-formed knee joint bone defect implants with different shapes and sizes; the front end of the outer sleeve is in a thin rod shape, so that the surgical field cannot be blocked when the outer sleeve is used in the operation.
Further, the joint 500 is slidably disposed in the second stepped hole 132, a mounting hole 510 is concavely disposed in the center of one end surface of the joint 500 close to the connecting rod 200, one end of the connecting rod 200 close to the joint 500 is fixed in the mounting hole 510, and a T-shaped cylindrical boss 520 is convexly extended at one end of the joint 500 close to the adjusting rod 300.
Further, the adjusting lever 300 includes a knob portion 310, a first connecting portion 320, a screw portion 330, a second connecting portion 340 and a movable connecting portion 350, which are integrally formed, wherein the outer wall of the knob portion 310 is knurled, the screw portion 330 is connected in the second stepped hole 132, and a T-shaped groove 351 corresponding to the T-shaped cylindrical boss 520 is concavely disposed at one end of the movable connecting portion 350 close to the joint 500.
Among the two above-mentioned technical scheme, but T type cylinder boss free rotation card is located T type inslot, avoid the connecting rod to follow the regulation pole and rotate together, the outer wall annular knurl of knob portion is handled, increase and medical staff point the surperficial frictional force, the operation of being convenient for, when adjusting the pole rotation, because but T type cylinder boss free rotation card is located T type inslot, connect and the connecting rod can not take place to follow the commentaries on classics, adjust the pole simultaneously and pass through the push-and-pull connecting rod that connects, the connecting rod passes through the switching of connecting rod drive clamping jaw, the realization is printed holding of fashioned knee joint bone defect implant to 3.
Furthermore, an opening groove 140 is concavely formed at one end of the outer sleeve 100 close to the clamping jaw 400, and the pair of clamping jaws 400 and the two connecting rods 600 are movably arranged in the opening groove 140.
In the technical scheme, the outer sleeve is prevented from influencing the movement of the connecting rod and the clamping jaw by the open slot, and the clamping jaw can be smoothly opened and closed.
Furthermore, a hinge portion 210 protrudes from one end of the connecting rod 200 close to the clamping jaws 400, one ends of the two connecting rods 600 departing from the clamping jaws 400 are hinged to the hinge portion 210, one ends of the pair of clamping jaws 400 close to the connecting rod 200 are respectively hinged to the corresponding connecting rods 600, and centers of overlapped parts of the pair of clamping jaws 400 are hinged to the outer sleeve.
In the technical scheme, when the connecting rod is pushed and pulled, the hinged part pushes and pulls the clamping jaw through the connecting rod, and the clamping jaw rotates around the hinged point of the clamping jaw and the outer sleeve after being stressed, so that the clamping jaw is opened and closed.
Further, one end of the clamping jaw 400, which faces away from the connecting rod 200, is relatively arranged in an encircling manner, and a tip 410 is machined at the end of one side of the clamping jaw 400, which faces away from the connecting rod 200.
In the technical scheme, the contact part of the head part of the clamping jaw and the knee joint bone defect implant formed by 3D printing is designed into an arc shape, namely, one ends of the clamping jaws departing from the connecting rod are oppositely arranged in an encircling manner, so that artificial bone blocks in different shapes and sizes are held by utilizing adaptation; the tip portion is processed to one side tip that the clamping jaw deviates from the connecting rod, can reduce like this and print fashioned knee joint bone defect implant's area of contact with 3D, and the power is held in the increase, makes to hold to get more firm.
Further, the outer wall of the outer sleeve 100 near one end of the adjustment lever 300 is sleeved with a handle 700, and the handle 700 is fixed to the outer sleeve 100 by a pin 800.
In the technical scheme, the handle is convenient for medical staff to hold, and simultaneously, the two ends of the pin cannot be respectively protruded out of the inner walls of the handle and the connecting rod.
In conclusion, the gripping jaw of the gripping device for gripping the 3D printing formed knee joint bone defect implant is arc-shaped, the end part of the gripping jaw is provided with a tip part, and the opening and closing amplitude is large, so that the gripping device can adapt to 3D printing formed knee joint bone defect implants with different shapes and sizes; the front end of the outer sleeve is in a thin rod shape, the operation view field cannot be blocked when the outer sleeve is used in an operation, and the handle is sleeved at the rear end of the outer sleeve and is convenient to hold.
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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047175.0A CN109620485B (en) | 2019-01-18 | 2019-01-18 | Holder for holding 3D printed knee bone defect implants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910047175.0A CN109620485B (en) | 2019-01-18 | 2019-01-18 | Holder for holding 3D printed knee bone defect implants |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109620485A CN109620485A (en) | 2019-04-16 |
| CN109620485B true CN109620485B (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910047175.0A Active CN109620485B (en) | 2019-01-18 | 2019-01-18 | Holder for holding 3D printed knee bone defect implants |
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Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1156255C (en) * | 1993-10-01 | 2004-07-07 | 美商-艾克罗米德公司 | Spinal implant |
| US6319257B1 (en) * | 1999-12-20 | 2001-11-20 | Kinamed, Inc. | Inserter assembly |
| CN201299670Y (en) * | 2008-12-03 | 2009-09-02 | 徐辉 | A femoral prosthesis handle extractor |
| FR2981264B1 (en) * | 2011-10-17 | 2013-11-29 | Osteal Medical Lab | INTERVERTEBRAL IMPLANT GRIPPER, KIT AND MANIPULATION ASSEMBLY THEREFOR |
| CN104207827A (en) * | 2014-09-05 | 2014-12-17 | 桐庐优视医疗器械有限公司 | Protractor-type multifunctional uterine lifting manipulator |
| CN105266928B (en) * | 2015-09-29 | 2017-11-10 | 深圳清华大学研究院 | The method of cervical intervertebral disk prosthesis, implantation instrument, cervical intervertebral disk prosthesis and implantation instrument combination unit and utilization of cervical implants implantation cervical vertebra |
| CN205072961U (en) * | 2015-10-13 | 2016-03-09 | 魏志玄 | Neurosurgery is with pressing from both sides bone object with adjustable |
| CN205434006U (en) * | 2015-12-30 | 2016-08-10 | 上海浦卫医疗器械厂有限公司 | A hold into ware for installing cervical vertebra joint prosthesis |
| CN205697931U (en) * | 2016-03-11 | 2016-11-23 | 厦门大学嘉庚学院 | Controllable bending musical form surgical forceps for abdominoscope |
| WO2018136336A1 (en) * | 2017-01-18 | 2018-07-26 | Neuropro Technologies, Inc. | Bone fusion device |
| CN107518966B (en) * | 2017-08-23 | 2023-07-28 | 北京爱康宜诚医疗器材有限公司 | Intervertebral disc prosthesis holder |
| CN108969160B (en) * | 2018-07-27 | 2021-07-30 | 深圳清华大学研究院 | Intervertebral motion retaining device and integrated implantation instrument and implantation method thereof |
| CN108969156B (en) * | 2018-07-27 | 2021-07-09 | 深圳清华大学研究院 | Intervertebral motion retaining device and pre-assembled implanting instrument and implanting method thereof |
| CN209629913U (en) * | 2019-01-18 | 2019-11-15 | 复旦大学附属华山医院 | A holder for holding a 3D printed knee bone defect implant |
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| CN109620485A (en) | 2019-04-16 |
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