CN114246691B - Threading and supporting positioning device - Google Patents
Threading and supporting positioning device Download PDFInfo
- Publication number
- CN114246691B CN114246691B CN202111403582.4A CN202111403582A CN114246691B CN 114246691 B CN114246691 B CN 114246691B CN 202111403582 A CN202111403582 A CN 202111403582A CN 114246691 B CN114246691 B CN 114246691B
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- rod
- positioning rod
- suspension support
- positioning
- support frame
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- 239000000725 suspension Substances 0.000 claims abstract description 38
- 210000003423 ankle Anatomy 0.000 claims description 10
- 230000003068 static effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 210000001519 tissue Anatomy 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 5
- 210000000689 upper leg Anatomy 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 210000002414 leg Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 230000036544 posture Effects 0.000 description 2
- 230000004083 survival effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000002792 vascular Effects 0.000 description 2
- 210000003484 anatomy Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 238000002591 computed tomography Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000000109 fascia lata Anatomy 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000004417 patella Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—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 for stereotaxic surgery, e.g. frame-based stereotaxis
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Surgical Instruments (AREA)
Abstract
A threading and supporting positioning device relates to the field of threading and supporting positioning. The device is provided with: and (2) base: the long and short stretching structure is used for supporting and fixing; suspension support frame: the bottom end of the suspension support frame is arranged at two ends of one side of the base in the length direction, and a movable rail is arranged on the suspension support frame; positioning rod: the two ends of the positioning rod are arranged corresponding to the movable rail, the positioning rod slides up and down on the movable rail, and a fixing piece is arranged between the positioning rod and the movable rail and used for fixing the positioning rod and the suspension support frame; indication rod: the positioning rod is arranged on the positioning rod and is perpendicular to the direction of the positioning rod and used for assisting in positioning. In the scheme, the extensible base is used for matching different length requirements, and the positioning rod is used for assisting in positioning through the movable connection of the positioning rod and the suspension support frame and the movable connection of the positioning rod and the indication rod.
Description
Technical Field
The invention relates to the field of body position fixing instruments, in particular to a threading and positioning device.
Background
In recent years, the incidence rate of malignant tumors of the oral and maxillofacial regions is continuously increased, the main treatment means is surgical treatment, soft tissue defects of the maxillofacial regions are frequently accompanied after operation, and the synchronous free skin flap implantation is a main technical means for repairing the defects. The ALTF (altfor) is one of the main skin flaps for repairing defects due to large tissue quantity and high survival rate, and one of the key steps for ensuring the high survival rate is the positioning of the penetrating branches. How to locate the ramus by improving the detection scheme or according to the anatomical structure so as to more accurately find the ramus and guide the skin flap preparation and cutting is the main direction of the current research.
Current locating of the anterior-lateral flap punch branches is often performed by angiographic CTA or color doppler ultrasound CDU. CTA can be combined with a three-dimensional reconstruction technology, so that the vascular running and the relation between the CTA and adjacent tissues are clearly defined, but the CTA can cause body surface projection errors due to development defects of a terminal branch and a fascia lata shallow layer. The CDU can not identify the whole running of the penetrating branch, and can not clearly identify the relation between the penetrating branch and the vascular pedicles, so that false positive and false negative results appear.
Disclosure of Invention
The present invention aims to overcome at least one of the above-mentioned drawbacks (shortcomings) of the prior art, and provides a piercing and supporting positioning device for solving the problem of inaccurate positioning.
The technical scheme adopted by the invention is that the threading and supporting positioning device is provided with:
and (2) base: the long and short stretching structure is used for supporting and fixing;
suspension support frame: the bottom end of the suspension support frame is arranged at two ends of one side of the base in the length direction, and a movable rail is arranged on the suspension support frame;
positioning rod: the two ends of the positioning rod are arranged corresponding to the movable rail, the positioning rod slides up and down on the movable rail, and a fixing piece is arranged between the positioning rod and the movable rail and used for fixing the positioning rod and the suspension support frame;
indication rod: the positioning rod is arranged on the positioning rod and is perpendicular to the direction of the positioning rod and used for assisting in positioning. In this scheme, be used for matching different leg lengths through extensible base, then according to patient's shank height, select suitable base length, then select suitable locating lever height on the movable rail, then fix the locating lever height, through the position of further positioning patient of the pilot lever that the activity set up on the locating lever, then fix the locating lever, wait for the next step operation.
Preferably, the positioning rod is provided with a sliding frame, the sliding frame is of a T-shaped framework, and the sliding frame comprises a first sleeve sleeved with the positioning rod and a second sleeve sleeved with the indicating rod.
Preferably, the positioning rod is a telescopic rod, the indicating rod is nested on the telescopic rod through the sliding frame, and scales are arranged on the telescopic rod.
Preferably, the suspension support frame is provided with an angle scale.
Preferably, the positioning rod is provided with a length scale.
Preferably, the base is provided with a top surface with a high side and a smooth transition side, and the higher side of the base is close to the suspension support frame.
Preferably, the base is a telescopic structure, comprising two mutually nested bottom plates.
Preferably, the end parts of the two bottom plates, which are away from each other, are provided with fixing plates, the bottoms of the suspension support frames are correspondingly provided with threaded holes, and the suspension support frames are fixed with the bottom plates through peripheral screws.
Preferably, the ankle fixing device further comprises a sleeve piece and folding rods, wherein the sleeve piece is used for nesting human tissues needing to be fixed, the folding rods comprise fixed ends and movable ends, the fixed ends of the two folding rods are fixedly connected with the sleeve piece, and the movable ends of the two folding rods are nested with each other. In the scheme, tissues of a patient are sleeved through the sleeve fitting piece, such as ankles, multiple different using lengths can be adapted through the two extensible nested folding rods, ankle body position intervals of multiple patients can be adapted, and fixed nesting of different lengths can be realized through nesting of the movable ends so as to maintain proper tissue fixing postures.
Preferably, one side of the two folding rods away from the movable end is mutually nested, and one end of the folding rod, which is nested outside, is provided with a fixing hole.
Further, the fixing hole is arranged near the end of the folding rod.
Further, the fixing hole is a threaded hole, and a screw matched with the threaded hole is arranged.
Further, the folding rod at the inner side of the nest is provided with scales corresponding to the fixing holes.
Preferably, the sleeve member is a semi-annular structure, and the fixed end is fixedly connected with the midpoint of the semi-annular structure.
Compared with the prior art, the invention has the beneficial effects that:
the invention can avoid inaccurate threading and supporting positioning caused by the body position change and the skin thickness of a patient in the process of carrying out threading and supporting positioning on the front and outer side of the thigh in operation, greatly simplifies operation steps, improves operation efficiency, shortens operation time and avoids skin flap preparation failure caused by inaccurate threading and supporting positioning in the traditional mode.
Drawings
Fig. 1 is a block diagram of a piercing fitment according to the present invention.
Fig. 2 is a side view of a piercing fitment of the present invention.
Fig. 3 is a top view of a punch positioning device according to the present invention.
Fig. 4 is a side view of an ankle strap of a pass-through positioning device according to the invention.
Fig. 5 is a top view of an ankle strap of a pass-through positioning device according to the invention.
In the drawing, a base 100, a suspension support 200, a positioning rod 300, an indication rod 400, a sleeve 510, a folding rod 520, a fixed end 521, a movable end 522 and a fixing screw 530.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1-3, a penetrating branch positioning device is provided with:
base 100: the long and short stretching structure is used for supporting and fixing;
suspension support 200: the bottom end of the suspension support 200 is positioned at two ends of one side of the base 100 in the length direction, and a movable rail is arranged on the suspension support 200;
positioning rod 300: the two ends of the positioning rod 300 are arranged corresponding to the movable rail, the positioning rod 300 slides up and down on the movable rail, and a fixing piece 510 is arranged between the positioning rod 300 and the movable rail and used for fixing the positioning rod 300 and the suspension support frame 200;
indication rod 400: the positioning rod 300 is arranged on the base, is perpendicular to the direction of the positioning rod 300 and is used for assisting in positioning. In this embodiment, the extensible base 100 is used to match different leg lengths, then the appropriate base 100 length is selected according to the leg height of the patient, then the appropriate height of the positioning rod 300 on the movable track is selected, then the height of the positioning rod 300 is fixed, the position of the patient is further positioned by the indication rod 400 movably arranged on the positioning rod 300, then the positioning rod 300 is fixed, and the next operation is waited.
Preferably, the positioning rod 300 is provided with a sliding frame, the sliding frame is of a T-shaped structure, and the sliding frame comprises a first sleeve sleeved with the positioning rod 300 and a second sleeve sleeved with the indicating rod 400.
Preferably, the positioning rod 300 is a telescopic rod, the indicating rod 400 is nested on the telescopic rod through a sliding frame, and scales are arranged on the telescopic rod.
Preferably, the suspension bracket 200 is provided with an angle scale.
Preferably, the positioning rod 300 is provided with a length scale.
Preferably, the base 100 is provided with a top surface with a high side and a smooth transition side, and the high side of the base is disposed near the suspension frame.
Preferably, the base 100 is a telescopic structure comprising two mutually nested bottom plates.
Preferably, fixing plates are arranged at the end parts of the two bottom plates, which are away from each other, threaded holes are correspondingly arranged at the bottoms of the suspension support frames 200 and the fixing plates, and the suspension support frames 200 and the bottom plates are fixed through peripheral screws.
Preferably, the ankle fixator further comprises a sleeve 510 and folding rods 520, wherein the sleeve 510 is used for nesting human tissues needing to be fixed, the folding rods 520 comprise fixed ends 521 and movable ends 522, the fixed ends 521 of the two folding rods 520 are fixedly connected with the sleeve 510, and the movable ends 522 of the two folding rods 520 are nested with each other.
Preferably, two folding rods 520 are nested with each other near one side of the movable end 522, and a fixing hole is formed at one end of the folding rod 520 nested outside.
Further, the fixing hole is provided near the end of the folding bar 520.
Further, the fixing hole is a threaded hole, a screw 530 is provided to be fitted to the threaded hole, and the use length of the two folding bars 520 is fixed by screwing the screw 530.
Further, the folding rod 520 at the inner side of the nest is provided with scales corresponding to the fixing holes.
Preferably, the sleeve 510 has a semi-annular structure, and the fixing end 521 is fixedly connected to a middle point of the semi-annular structure.
Compared with the prior art, the invention has the beneficial effects that:
the invention can avoid inaccurate threading and supporting positioning caused by the body position change and the skin thickness of a patient in the process of carrying out threading and supporting positioning on the front and outer side of the thigh in operation, greatly simplifies operation steps, improves operation efficiency, shortens operation time and avoids skin flap preparation failure caused by inaccurate threading and supporting positioning in the traditional mode.
The use process can be as follows:
the positioning rod 300 comprises two movably nested long rods, namely a first long rod and a second long rod. The suspension support frame is of an arc-shaped structure, the tail end of the long rod, which is close to the suspension support frame, is provided with a corresponding static rod, and the length direction of the static rod is the same as the radius direction of the suspension support frame.
The threading and supporting positioning device is provided with sensors corresponding to the positions of the positioning rod 300, the fixed rod and the indicating rod 400, and the sensors are connected with an operation computer and used for acquiring position information and calculating threading and supporting points.
When the patient is subjected to MRI or CT scanning, the patient is laid on an examination bed in a recumbent position, the toe of the patient is upward, the ankle posture of the patient is fixed by adopting an ankle fixer, the penetrating and positioning device is arranged on the outer side of the thigh of the patient, the base is lengthened or shortened according to the length of the thigh of the patient, the positioning rod 300 is slid, one tail end of the static rod is positioned on the front upper spine of the ilium of the patient, the other tail end of the static rod is positioned on the outer side edge of the patella of the patient, the positioning point is marked on the skin by using a pen, the midpoint is marked by adjusting an indicating rod 400, and the skin is marked by using a pen. After CT or MRI examination, the operation computer is used for three-dimensional reconstruction of blood vessel, the position of the puncture is displayed, the position of the puncture is used for calculating the transverse and longitudinal distances between the position of the puncture and the midpoint (the transverse distance corresponds to the scale of the positioning rod 300; the longitudinal distance corresponds to the scale of the suspension support frame), the other combined indication rod 400 and the positioning rod 300 correspond to the scale, the indication rod 400 corresponds to the transverse distance according to the corresponding longitudinal distance of the other positioning rod 300, and then the skin position at the tail end of the indication rod 400 is marked. The displacement is calculated through a computer program and projected onto the scale of the puncture locator, so that the accurate positioning of the front and outer skin flap puncture of the thigh can be realized.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the present invention to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.
Claims (4)
1. A crossing pin positioning device, characterized in that it is provided with:
and (2) base: the long and short stretching structure is used for supporting and fixing;
suspension support frame: the bottom end of the suspension support frame is arranged at two ends of one side of the base in the length direction, and a movable rail is arranged on the suspension support frame;
positioning rod: the two ends of the positioning rod are arranged corresponding to the movable rail, the positioning rod slides up and down on the movable rail, and a fixing piece is arranged between the positioning rod and the movable rail and used for fixing the positioning rod and the suspension support frame;
indication rod: the positioning rod is arranged on the positioning rod and is perpendicular to the direction of the positioning rod and used for assisting in positioning;
the suspension support frame is provided with angle scales;
the positioning rod is provided with length scales;
the positioning rod is provided with a sliding frame, the sliding frame is of a T-shaped framework, and the sliding frame comprises a first sleeve sleeved with the positioning rod and a second sleeve sleeved with the indicating rod;
the base is provided with a top surface with one side higher and one side smoothly transiting, and one side higher of the base is arranged close to the suspension support frame;
the base is of a telescopic structure and comprises two mutually nested bottom plates;
the end parts of the two bottom plates, which are away from each other, are provided with fixing plates, the bottoms of the suspension support frames are correspondingly provided with threaded holes with the fixing plates, and the suspension support frames are fixed with the bottom plates through peripheral screws;
the positioning rod comprises two movably nested long rods, namely a first long rod and a second long rod; the suspension support frame is of an arc-shaped structure, the tail end of the long rod, which is close to the suspension support frame, is provided with a corresponding static rod, and the length direction of the static rod is the same as the radius direction of the suspension support frame.
2. A punch positioning device according to claim 1, wherein the suspension support is a hollow rail.
3. The device of claim 1, further comprising an ankle strap, wherein the ankle strap comprises a sleeve for nesting body tissue to be secured, and a folding bar comprising a fixed end and a movable end, wherein the fixed ends of the two folding bars are fixedly connected to the sleeve, and wherein the movable ends of the two folding bars are nested within each other.
4. A piercing fitment as claimed in claim 3, wherein the sides of the two folding bars remote from the movable end are nested with each other, and the nested ends of the folding bars outside are provided with fixing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403582.4A CN114246691B (en) | 2021-11-24 | 2021-11-24 | Threading and supporting positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111403582.4A CN114246691B (en) | 2021-11-24 | 2021-11-24 | Threading and supporting positioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114246691A CN114246691A (en) | 2022-03-29 |
| CN114246691B true CN114246691B (en) | 2024-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111403582.4A Active CN114246691B (en) | 2021-11-24 | 2021-11-24 | Threading and supporting positioning device |
Country Status (1)
| Country | Link |
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| CN (1) | CN114246691B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4730608A (en) * | 1986-03-05 | 1988-03-15 | Schlein Allen P | External bone-anchoring fixator |
| US4768524A (en) * | 1986-02-28 | 1988-09-06 | Hardy Jean Marie | Device for immobilizing a bone structure, especially intended for orthopedic use |
| US5261911A (en) * | 1991-06-18 | 1993-11-16 | Allen Carl | Anterolateral spinal fixation system |
| CN111096808A (en) * | 2020-01-10 | 2020-05-05 | 新疆医科大学第一附属医院 | Peroneal muscle branch-penetrating skin flap branch-penetrating blood vessel fixed type positioning guide plate and manufacturing method thereof |
| CN111134861A (en) * | 2020-01-10 | 2020-05-12 | 新疆医科大学第一附属医院 | Fixed positioning guide plate for transfixion of femoral anterolateral embedded flap and branch blood vessel and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7985221B2 (en) * | 2006-04-20 | 2011-07-26 | Millennium Medical Technologies, Inc. | External fixator |
-
2021
- 2021-11-24 CN CN202111403582.4A patent/CN114246691B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4768524A (en) * | 1986-02-28 | 1988-09-06 | Hardy Jean Marie | Device for immobilizing a bone structure, especially intended for orthopedic use |
| US4730608A (en) * | 1986-03-05 | 1988-03-15 | Schlein Allen P | External bone-anchoring fixator |
| US5261911A (en) * | 1991-06-18 | 1993-11-16 | Allen Carl | Anterolateral spinal fixation system |
| CN111096808A (en) * | 2020-01-10 | 2020-05-05 | 新疆医科大学第一附属医院 | Peroneal muscle branch-penetrating skin flap branch-penetrating blood vessel fixed type positioning guide plate and manufacturing method thereof |
| CN111134861A (en) * | 2020-01-10 | 2020-05-12 | 新疆医科大学第一附属医院 | Fixed positioning guide plate for transfixion of femoral anterolateral embedded flap and branch blood vessel and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114246691A (en) | 2022-03-29 |
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