CN112370115A - Front fork positioner - Google Patents
Front fork positioner Download PDFInfo
- Publication number
- CN112370115A CN112370115A CN202011279603.1A CN202011279603A CN112370115A CN 112370115 A CN112370115 A CN 112370115A CN 202011279603 A CN202011279603 A CN 202011279603A CN 112370115 A CN112370115 A CN 112370115A
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- China
- Prior art keywords
- positioning rod
- positioner
- rod
- fork
- point
- 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.)
- Pending
Links
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 7
- 210000003041 ligament Anatomy 0.000 abstract description 6
- 210000002303 tibia Anatomy 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 210000000689 upper leg Anatomy 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 208000025674 Anterior Cruciate Ligament injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
-
- 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
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1714—Guides or aligning means for drills, mills, pins or wires for applying tendons or ligaments
-
- 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
- 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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Rheumatology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides a front fork positioner, which comprises a positioner main body, a fork point type positioning rod and a positioning rod sleeve, wherein the fork point type positioning rod is arranged at one end of the positioner main body; the positioning rod sleeve is arranged at the other end of the positioner main body; the locating rod extends into the locating rod sleeve, and the tip of the front end of the locating rod is in contact with the tip of a fork point locating base in the fork point type locating rod. The invention can accurately find the passage for the ligament to pass through the tibia and the femur during the operation by adopting the point-to-point fixing structure, so that a doctor can conveniently and smoothly pass the ligament through the passage by a matching tool, and the doctor can adjust the relative position between the point-to-point positioning rod and the positioning rod by adopting the fork point type positioning rod adjustable structure and adjusting the proper position of the tool through image measurement data. Through adopting side formula locking screw locking fixed knot to construct, structural design is simple, the simple operation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a front fork positioner.
Background
In the ACL operation, the convenience that apparatus instrument maneuverability and instrument used makes things convenient for the doctor to carry out the operation, is very important to patient's safety simultaneously, also provides the assurance for the art person to get through shin bone and femoral joint passageway smoothly and operate. The instrument tool is unreasonable in design and poor in operability, can affect the accurate positioning of the surgical approach and the unstable structure of the joint cavity, and even can cause complications of pressing and pulling nerves. The ACL front fork positioner product has simple structure design, convenient operation and accurate positioning, and is convenient for doctors to perform corresponding operation on patients
The defects of the prior art are as follows: the point-to-point structure needs to be adjusted before an operation and needs to be locked and fixed by a universal tool immediately after being adjusted to a proper position.
Disclosure of Invention
In view of the shortcomings in the prior art, it is an object of the present invention to provide a front fork positioner.
The front fork positioner provided by the invention comprises a positioner main body 101, a fork point type positioning rod 105 and a positioning rod sleeve 125, wherein:
the fork point type positioning rod 105 is arranged at one end of the positioner main body 101;
a positioning-rod sleeve 125 is provided at the other end of the positioner body 101;
Preferably, the positioner body 101 includes a first mounting rod and a second mounting rod integrally formed, the first mounting rod is provided with a fork point type positioning rod 105, and the second mounting rod is provided with a positioning rod sleeve 125.
Preferably, the angle between the first mounting bar and the second mounting bar is obtuse, right or acute.
Preferably, the first mounting rod is provided with a first hole, and the forked positioning rod 105 can slide in the first hole in a reciprocating manner.
Preferably, the cross-point positioning rod 105 is fastened to the first mounting rod by a locking lockwire 102.
Preferably, the second mounting rod is provided with a slot, and second holes are formed at two sides of the slot, and the positioning rod sleeve 125 can slide in the second holes in a reciprocating manner.
Preferably, the width of the slot is adjusted according to a locking bolt 130 provided on the second mounting rod, and the second hole fixes or releases the positioning rod sleeve 125 based on the adjusted width of the slot.
Preferably, the locking bolt 130 includes a screw pin fixing block 140 and a locking screw 135, wherein:
the locking screw 135 penetrates through the slot of the second mounting rod and is in threaded connection with the second mounting rod;
the screwing pin fixing block 140 is arranged at one end of the locking screw 135, and the screwing pin fixing block 140 is rotated to drive the locking screw 135 to rotate so as to adjust the width of the groove.
Preferably, a screw pin 142 is further included, and the screw pin 142 penetrates the screw pin fixing block 140 in a direction perpendicular to the locking screw 135.
Preferably, one end of the stopper sleeve 125 is provided with a stepped portion having an outer diameter greater than that of the second passage.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention adopts the point-to-point fixing structure, so that the ligament can accurately find the channel for the tibia and the femur through which the ligament passes in the operation, and the ligament which is artificially transplanted by self or is transplanted by variant can be conveniently and smoothly passed through the channel by a doctor through a matched tool, thereby avoiding the accidental injury in the operation.
2. The invention adopts the fork point type positioning rod adjustable structure, and adjusts the proper position of the tool through the image measurement data, thereby facilitating the doctor to adjust the relative position between the fork point type positioning rod and the positioning rod according to the human engineering structure of different operators, and further realizing the operation.
3. The fork point type positioning rod fixing device has the advantages that the side edge type locking screw locking fixing structure is adopted, the structural design is simple, the operation is convenient and fast, and the position adjustment and the fixing of the fork point type positioning rod can be realized through the universal hexagonal wrench.
4. According to the invention, the positioning rod sleeve is fixed on the positioner main body by adopting the hand-screwing type locking bolt and utilizing the extrusion type principle, so that the operation of a doctor is simple and convenient during an operation, the long pin structure is convenient for the doctor to circumferentially screw, and the fingers are prevented from slipping during the operation and the tool is prevented from falling off, thereby reducing the injury of the operation risk to the body of an operator.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a front schematic view of a front fork positioner.
FIG. 2 is a top view of the front fork positioner.
FIG. 3 is a perspective view of the front fork positioner.
The figures show that:
101-locator body
105-fork point type positioning rod
110-fork point positioning base
120-positioning rod
125-positioning rod sleeve
130-locking bolt
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1-3, the present invention provides an anterior fork positioner, which takes an ACL anterior fork positioner as an example in the present embodiment, and utilizes ergonomics, surgical procedures, etc. to design the appearance and structure thereof, and the structure is simple and convenient to use during the surgical procedure, thereby facilitating the doctor to position the ACL tear of the patient and subsequently fix the ligament.
In more detail, the front fork positioner provided by the invention comprises a positioner main body 101, a fork point type positioning rod 105 and a positioning rod sleeve 125, wherein the fork point type positioning rod 105 is arranged at one end of the positioner main body 101; a positioning-rod sleeve 125 is provided at the other end of the positioner body 101; positioning rod 120 extends into positioning rod sleeve 125, and the tip of the front end of positioning rod 120 contacts the tip of the forked positioning base 110 in forked positioning rod 105, thereby achieving "point-to-point" contact and positioning.
Further, the positioner body 101 includes a first mounting rod and a second mounting rod which are integrally formed, the first mounting rod is provided with a fork point type positioning rod 105, and the second mounting rod is provided with a positioning rod sleeve 125. The included angle between the first mounting rod and the second mounting rod is an obtuse angle, a right angle or an acute angle. In this embodiment, the angle between the first mounting rod and the second mounting rod is a right angle. For clarity, the first mounting rod of the present invention is horizontally disposed, and the second mounting rod is vertically disposed, as shown in fig. 1, the first mounting rod is provided with a first hole, the cross-point positioning rod 105 can slide up and down along the first hole of the positioner body 101, and the cross-point positioning rod 105 can be adjusted to a suitable position according to the operation requirement and then locked and fixed by the locking wire 102.
The bottom of the second mounting rod is provided with a slotted design, and two ends of the slotted design are provided with second pore channels. Specifically, both ends of the slot are respectively provided with a semi-cylindrical hole passage, and the two semi-cylindrical hole passages are combined to form a second hole passage for accommodating the positioning rod sleeve 125. The slot is adjusted by means of a locking bolt 130 provided on the second mounting bar. Specifically, the locking bolt 130 includes a screw pin 142, a screw pin fixing block 140, and a locking screw 135, and the locking screw 135 penetrates through the slot of the second mounting rod and is in threaded connection with the second mounting rod; the screwing pin fixing block 140 is arranged at one end of the locking screw 135, and the screwing pin fixing block 140 is rotated to drive the locking screw 135 to rotate so as to adjust the width of the groove. The screw pin 142 penetrates the screw pin fixing block 140 in a direction perpendicular to the locking screw 135. The positioner body 101 and the positioning rod bushing 125 are formed in a slotted structure, and the positioning rod bushing 125 is fixed to the positioner body 101 by means of a screw structure of the locking bolt 130 through a pressing principle.
In more detail, one end of the positioning rod sleeve 125 is provided with a limit step having an outer diameter greater than a diameter of the second aperture. When the positioning rod sleeve 125 stretches into the second hole, the limiting step can contact the second mounting rod and abut against the left end face of the second mounting rod, and when the limiting step is in contact with the left end face of the positioner body, the limiting step is locked and fixed through the locking bolt 130.
As an extension example, the positioning rod sleeve 125 of the present invention can realize a rotational positioning function in the second mounting rod, and further, can realize versatility in adjustment of the positioning rod 120.
The working process of the invention is as follows: the cross-point positioning rod 105 is arranged in a first hole of a first mounting rod of the positioner body 101, and is fastened by the locking lock wire 102, the positioning rod sleeve 125 extends into a second hole until the step surface of the positioning rod sleeve 125 abuts against the end surface of the second mounting rod, and the positioning rod sleeve 125 is fastened on the second mounting rod by the locking bolt 130. Positioning rod 120 extends into positioning rod sleeve 125, and the tip of the front end of positioning rod 120 contacts the tip of the forked positioning base 110 in forked positioning rod 105, thereby achieving "point-to-point" contact and positioning.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (7)
1. A front fork positioner, comprising a positioner body (101), a cross-point positioning rod (105) and a positioning rod sleeve (125), wherein:
the cross point type positioning rod (105) is arranged at one end of the positioner main body (101);
the positioning rod sleeve (125) is arranged at the other end of the positioner main body (101);
the positioning rod sleeve (125) is used for sleeving the positioning rod (120), the positioning rod (120) extends into the positioning rod sleeve (125), and the tip of the front end of the positioning rod (120) is in contact with the tip of a fork point positioning base (110) in the fork point type positioning rod (105);
the positioner main body (101) comprises a first mounting rod and a second mounting rod which are integrally formed, wherein a fork point type positioning rod (105) is arranged on the first mounting rod, and a positioning rod sleeve (125) is arranged on the second mounting rod;
the first mounting rod is provided with a first hole channel, the fork point type positioning rod (105) can slide in the first hole channel in a reciprocating mode, the second mounting rod is provided with a groove, second hole channels are formed in two sides of the groove, and the positioning rod sleeve (125) can slide in the second hole channel in a reciprocating mode.
2. The front fork positioner of claim 1, wherein the included angle between the first mounting post and the second mounting post is obtuse, right, or acute.
3. Front fork positioner according to claim 1, wherein the fork-point positioning rod (105) is fastened to the first mounting rod by means of a locking lockwire (102).
4. Front fork positioner according to claim 1, characterized in that the width of the slot is adjusted according to a locking bolt (130) provided on the second mounting rod, the second duct fixing or releasing the positioning rod sleeve (125) based on the width of the slot adjustment.
5. Front fork positioner according to claim 4, characterized in that the locking bolt (130) comprises a screw-on pin fixing block (140) and a locking screw (135), wherein:
the locking screw (135) penetrates through the groove of the second mounting rod and is in threaded connection with the second mounting rod;
the screwing pin fixing block (140) is arranged at one end of the locking screw (135), and the screwing pin fixing block (140) is rotated to drive the locking screw (135) to rotate so as to adjust the width of the groove.
6. Front fork positioner according to claim 5, further comprising a screw pin (142), the screw pin (142) extending through the screw pin fixing block (140) in a direction perpendicular to the locking screw (135).
7. Front fork positioner according to claim 1, characterized in that one end of the positioning rod sleeve (125) is provided with a step, the outer diameter of which is larger than the diameter of the second channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011279603.1A CN112370115A (en) | 2020-11-16 | 2020-11-16 | Front fork positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011279603.1A CN112370115A (en) | 2020-11-16 | 2020-11-16 | Front fork positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112370115A true CN112370115A (en) | 2021-02-19 |
Family
ID=74585436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011279603.1A Pending CN112370115A (en) | 2020-11-16 | 2020-11-16 | Front fork positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112370115A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070233128A1 (en) * | 2005-11-10 | 2007-10-04 | Reinhold Schmieding | Method and apparatus for ACL reconstruction using retrograde cutter |
| US20100121447A1 (en) * | 2008-10-10 | 2010-05-13 | Marcus Troger | Method for replacing a ligament in a knee |
| CN203074773U (en) * | 2013-03-12 | 2013-07-24 | 陈为坚 | Novel cruciate ligament locator |
| CN105935313A (en) * | 2016-05-04 | 2016-09-14 | 同济大学 | Simple pedicle screw placement navigator |
| CN206463037U (en) * | 2016-09-19 | 2017-09-05 | 北京大学第三医院 | The locating guider of articular cartilage damage prosthetic |
| CN108852463A (en) * | 2018-08-02 | 2018-11-23 | 吴飞 | A kind of bone surgery locating guider |
| CN208942414U (en) * | 2018-06-05 | 2019-06-07 | 张坡 | Anterior cruciate ligament Anatomical Reconstruction approach guides locator |
| CN210330665U (en) * | 2019-04-26 | 2020-04-17 | 常州华众生物科技有限公司 | Positioning bone tunnel device for reconstruction of injury of anterior cruciate ligament of knee joint |
-
2020
- 2020-11-16 CN CN202011279603.1A patent/CN112370115A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070233128A1 (en) * | 2005-11-10 | 2007-10-04 | Reinhold Schmieding | Method and apparatus for ACL reconstruction using retrograde cutter |
| US20100121447A1 (en) * | 2008-10-10 | 2010-05-13 | Marcus Troger | Method for replacing a ligament in a knee |
| CN203074773U (en) * | 2013-03-12 | 2013-07-24 | 陈为坚 | Novel cruciate ligament locator |
| CN105935313A (en) * | 2016-05-04 | 2016-09-14 | 同济大学 | Simple pedicle screw placement navigator |
| CN206463037U (en) * | 2016-09-19 | 2017-09-05 | 北京大学第三医院 | The locating guider of articular cartilage damage prosthetic |
| CN208942414U (en) * | 2018-06-05 | 2019-06-07 | 张坡 | Anterior cruciate ligament Anatomical Reconstruction approach guides locator |
| CN108852463A (en) * | 2018-08-02 | 2018-11-23 | 吴飞 | A kind of bone surgery locating guider |
| CN210330665U (en) * | 2019-04-26 | 2020-04-17 | 常州华众生物科技有限公司 | Positioning bone tunnel device for reconstruction of injury of anterior cruciate ligament of knee joint |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |