CN109091210A - A kind of fixed bracket of the two-way reverse drag of percutaneous pinning - Google Patents
A kind of fixed bracket of the two-way reverse drag of percutaneous pinning Download PDFInfo
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- CN109091210A CN109091210A CN201811025561.1A CN201811025561A CN109091210A CN 109091210 A CN109091210 A CN 109091210A CN 201811025561 A CN201811025561 A CN 201811025561A CN 109091210 A CN109091210 A CN 109091210A
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- casing
- hole
- sleeve
- position limiting
- limiting structure
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3472—Trocars; Puncturing needles for bones, e.g. intraosseus injections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/60—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like for external osteosynthesis, e.g. distractors, contractors
- A61B17/66—Alignment, compression or distraction mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3405—Needle locating or guiding means using mechanical guide means
- A61B2017/3407—Needle locating or guiding means using mechanical guide means including a base for support on the body
Abstract
The present invention provides a kind of fixed brackets of the two-way reverse drag of percutaneous pinning, including two steinman pins and two carrier units, carrier unit includes first sleeve and the second casing for being set in its outside, second casing is equipped with the first position limiting structure, and the position that the first position limiting structure protrudes into the second casing first sleeve connecting pin is defined；The side wall of first sleeve is equipped with first through hole, and the side wall of the second casing is equipped with the second through-hole；Steinman pin and two carrier unit cooperations, make the fixed bracket of the two-way reverse drag of percutaneous pinning be formed as geometric system；The side wall of second casing is equipped with through slot, and the outer cover of through slot is equipped with the second position limiting structure.The fixed bracket of the two-way reverse drag of the percutaneous pinning have the advantages that structure is simple, preparation cost is low, it is light-weight it is easy to carry, reduce suffering limb bearing capacity, be easy to use, can quick and precisely adjust distracted position improve contraposition to the accuracy of line, be easy to fixed and dismantle, conveniently to patient and suffering limb nursing, reduction patient suffering.
Description
Technical field
The present invention relates to orthopaedics to be fixed temporarily equipment technical field, specially a kind of fixed branch of the two-way reverse drag of percutaneous pinning
Frame.
Background technique
Fracture of tibia is the most common fracture of Orthopedic Clinical, and incidence is about annual 26/100000, such fracture is mostly traffic
Wound, high falling hurt contour Energy Damage, and limb swelling is serious, and be often accompanied by other positions fracture and cranium brain, chest and
Abdominal-trauma, according to Damage Coutrol theory, the processing of fracture is mostly treatment of selecting a time, so preoperative just aobvious to being fixed temporarily for fracture
It obtains particularly important.
At present both at home and abroad to the temporary setting operation of fracture of tibia selection, first is that plaster slab or plintlet are fixed, still
Such fixation is acted on without traction reduction, fixed for a long time to be likely to cause fracture to line to potential difference, pressure ulcer, limb shortening,
Increase the operating difficulty selected a time；Second is that currently used tuberosity of calcaneus skeletal traction, is that adult unstability fracture of lower leg is led
Draw one of most common means in method, has many advantages, such as that traction strength big (4-6kg), simple, effect is good, but bring to patient
Pain it is larger, and must longer term bed, limitation of activity is in traction device, easily generation bedsore, lower-limb deep veins thrombus and nail
Road loosens the complication such as secondary infection, and different degrees of psychological burden is caused to patient；Third is that under anesthesia in operating room state
The unilateral or Combined type external fixed support of row is fixed temporarily fracture, in this way it is avoided that above-mentioned limb shortening, fracture align line bad
And the shortcomings that long-term bed.However for simple fracture of lower leg, operation in this way is possible, if it is multiple injury, whole body shape
In the case that state is unstable, it is primary for keeping vital sign patient's stabilization, if carrying out caudal anaesthesia again, is easy to cause disease
Feelings deteriorate；And traditional tuberosity of calcaneus Bone traction belongs to persistence and fixes, and when being fixed, need to carry out caudal anaesthesia,
And suffering limb resume speed is influenced, suffering limb activity is limited and makes patient due to causing distracted position to change there are screw way loosening
Must long-term bed, nursing difficulty and to lead to patient Yi Fasheng bedsore and lower-limb deep veins thrombus and secondary infection etc. concurrent
Disease causes different degrees of psychological burden to patient and increases a series of defects such as patient suffering, therefore, for being not suitable at once
Closure or the Severe Open fracture (such as serious fracture of tibial plateau or Pilon fracture) of internal fixation treatment or patients with multiple injuries choosing
It selects one kind to be fixed temporarily, it appears particularly important.
In the prior art, the device of bilateral outer fixation finally fixes fracture of tibia mostly.But these bilateral lead
Draw in fixed device, due to the limitation of device design structure itself, causes the fixing intensity to fracture of tibia inadequate, it is disconnected to fracture
The contraposition at end cannot also be satisfied with reset to line, and it is dissatisfied to eventually lead to therapeutic effect.And facing specifically for fracture of tibia design
When the external fixer that draws be rarely reported.
Summary of the invention
In consideration of it, specially a kind of includes first the present invention provides a kind of fixed bracket of the two-way reverse drag of percutaneous pinning
Bracket is fixed in the two-way reverse drag of percutaneous pinning of casing, the second casing, the first position limiting structure, the second position limiting structure and spicule.It should
The fixed bracket of the two-way reverse drag of percutaneous pinning is with structure is simple, preparation cost is low, light-weight easy to carry, reduction suffering limb carrying
Power, it is easy to use, can quick and precisely adjust distracted position improve contraposition to the accuracy of line, be easy to fixed and dismantle, convenient pair
Patient and suffering limb nursing reduce the advantages of patient suffering.
Technical scheme is as follows:
A kind of fixed bracket of the two-way reverse drag of percutaneous pinning, including two steinman pins and two carrier units,
The carrier unit includes first sleeve, and the outer cover of the first sleeve is equipped with the second casing；Described second set
Pipe is equipped with the first position limiting structure, and the position that the first position limiting structure protrudes into the second casing first sleeve connecting pin limits
It is fixed, wherein the first position limiting structure is located at the central region of the second sleeve side walls；
The side wall of the first sleeve is equipped with first through hole, and first through hole is close to the free end of first sleeve；
The side wall of second casing is equipped with the second through-hole；Second through-hole is close to the free end of the second casing；
A piece steinman pin passes through the first through hole of two carrier units, and another steinman pin passes through two carrier units
The second through-hole, so that the fixed bracket of the two-way reverse drag of percutaneous pinning is formed as geometric system；
The side wall of second casing is equipped with through slot, and through slot is located at the connecting pin of the second casing；The outside of the through slot
Be arranged with the second position limiting structure, the second position limiting structure to aligned to the fixed bracket of the two-way reverse drag of percutaneous pinning after line into
The last fixation of row, improves its stability；
When needing to bilateral traction is carried out at fracture of tibia, according to tibia length and fracture of tibia position, adjustment first
The relative position of casing and the second casing, when the length of carrier unit reaches needed length, using the first position limiting structure to
The position of sleeve is defined, and prevents first sleeve from retracting in the second casing；A bracket list is passed through using a steinman pin
First through hole, the first through hole of shin bone and another carrier unit of member pass through a carrier unit using another steinman pin
The second through-hole, shin bone and another carrier unit the second through-hole, carry out the fixed bracket of two-way reverse drag to shin bone preliminary
It is fixed；After tentatively fixing, according to the distance between fracture face, first the length of carrier unit is adjusted, after adjustment, is used
First position limiting structure is limited, and then according to the angle of fracture face, rotates first sleeve, until reaching contraposition to line requirement
Afterwards, first sleeve and the second casing are fixed using the second position limiting structure；By it is described above as can be seen that into
Row contraposition to the adjustment of the fixed device of two-way reverse drag, fixed has that operating process is simple, can reduce patient's pain in line process
Bitter advantage；
Wherein, central region refers to the region on the second sleeve side walls between the second through-hole and through slot；The company of first sleeve
The end held and referred to the second casing connection is connect, the other end of first sleeve is the free end of first sleeve；The company of second casing
It connects end and refers to the end connecting with first sleeve, the other end of the second casing is the free end of the second casing.
Preferably, rubber pad there are two wearing on the steinman pin, in steinman pin use process, two rubber pads lean on respectively
The skin of nearly suffering limb two sides, protects skin.
Preferably, to prevent patient during activity suffering limb, suffering limb is moved along steinman pin and is brought greatly to patient
Pain, and the increased pin track infection because of sliding is prevented, the steinman pin is equipped with third position limiting structure, the third limit
It is in contact on the outside of structure and rubber pad, third position limiting structure tissue rubber pad moves.
Preferably, lead to traction angle or traction dynamics to prevent steinman pin from moving along first through hole, the second through-hole
It changes, the steinman pin is equipped with multiple 4th position limiting structures, and the 4th position limiting structure is located at steinman pin and first set
The junction of the junction of pipe and steinman pin and the second casing.
Preferably, first position limiting structure includes limited bolt, the third through-hole on the second sleeve side walls, and described
Three through-holes be equipped with it is multiple, pull out first sleeve, when carrier unit, which reaches preset length, to be needed to position, limited bolt be placed in
In third through-hole, first sleeve and the relative position of the second casing are defined, prevent first sleeve from retracting the second casing
It is internal；Limited bolt according to demand, is placed in different third through-holes.
Preferably, it is additionally provided with fourth hole on the side wall of second casing, the axis of fourth hole and third through-hole
Axis is vertical, and fourth hole and third through-hole are distributed on the side wall of the second casing；Limited bolt is placed in fourth hole
In, reinforce restriction to first sleeve and the second casing relative position, first sleeve is prevented when being fixed temporarily to retract the
In two casings, guarantee, which is fixed temporarily, to be gone on smoothly.
Preferably, there are five the first through hole is set, there are five the second through-hole is set, facilitate and this is determined according to the position of fracture
The installation site of family name's needle increases by 5 holes, increases the operating distance section of casing, more meet different length.
Preferably, there are four the through slot is set, the side wall at the second casing connection end is divided into quarter, when to second set
When pipe and first sleeve finally fix, the second sleeve side walls of quarter can be directly bonded with the outer wall of first sleeve, into
One step improves the firmness of connection.
Preferably, second position limiting structure is nylon cable tie, after being aligned according to the structure of fracture end face to line,
Nylon cable tie is directly tensed, by tightening the side wall at the second casing connection end with first sleeve, is realized percutaneous pinning is two-way
The fixed bracket of reverse drag is finally fixed, and is had the advantages that convenient and practical；The third position limiting structure and the 4th position limiting structure
It is nylon cable tie, there is convenient and practical, at low cost advantage.
Preferably, to further decrease the support bracket fastened preparation cost of the two-way reverse drag of percutaneous pinning and the weight of itself
Amount, improves the convenience of its carrying, and the first sleeve of the carrier unit and the second casing are pvc pipe.
Compared with prior art, beneficial effects of the present invention:
1, in the fixed bracket of the two-way reverse drag of percutaneous pinning provided by the invention, by the way that first sleeve, the second casing is arranged
With the first position limiting structure, the fracture for making the fixed bracket of two-way reverse drag be suitable for different tibia lengths is fixed temporarily, improves double
To the support bracket fastened practicability of reverse drag and practicability.
2, by the first through hole in setting first sleeve, the second through-hole on the second casing, a steinman pin is passed through
The first through hole of two carrier units, another steinman pin pass through the second through-hole of two carrier units, keep percutaneous pinning two-way
The fixed bracket of reverse drag is formed as geometric system, convenient for drawing to fracture of tibia.
3, by the way that through slot is arranged on the side wall of the second casing, is arranged the second position limiting structure in the outside of through slot, make second
The side wall at casing connection end and the side wall of first sleeve connecting pin are when fixed using the second position limiting structure, in conjunction with even closer,
To improve the support bracket fastened firmness of two-way reverse drag.
4, the fixed bracket of the two-way reverse drag of percutaneous pinning provided by the invention using being arranged of first sleeve and the second casing,
And be defined with relative distance of first position limiting structure to the two, it, can be by when being aligned fracture to line
The pull of sleeve realizes the traction carried out to shin bone along tibia length direction；Since first sleeve rotates in the second casing,
Therefore, the angle of shin bone section can be adjusted, after adjustment, by the second position limiting structure, first sleeve is fixed, prevented
Only first sleeve rotates and the accurate of influence traction is determined, and therefore, the fixed bracket of two-way reverse drag provided by the invention is with use
Conveniently, the advantages of distracted position improves accuracy of the contraposition to line can quickly be adjusted.
5, since the two-way reverse drag fixing rack structure of percutaneous pinning provided by the invention is simple, building block is few and draws materials
It is convenient, therefore, make itself have the advantages that light-weight, preparation cost is low, easy to carry and use, reduction suffering limb bearing capacity；
It is easy to carry and use, make it is suitable for large-scale geological disaster, the treatment work of a large amount of wounded under the conditions of war etc., it is convenient
Quick painless transhipment to the wounded；By cost calculation, the fixed entire material of bracket of two-way reverse drag provided by the invention at
This is about at 20 yuan or so.
6, it since the fixed bracket of two-way reverse drag provided by the invention is only fixed temporarily the suffering limb of shin bone, does not interfere
The limb activity of patient, in addition, since the fixed weight support frame of two-way reverse drag is light, in practical application, patient can be facilitated
Activity, as patient itself may be implemented, sit, or even by the support of crutch, patient can leave the bed walking, it is convenient to patient and
Suffering limb nursing, reduces patient suffering, also has positive effect to the psychology of patient, lower limb caused by can also avoiding because of long-term bed
The complication such as deep vein thrombosis, hypostatic pneumonia and bedsore.
Detailed description of the invention
To be illustrated more clearly that background technique or technical solution of the present invention, below to the prior art or specific embodiment
The attached drawing of middle combined use is briefly described；It should be evident that below in conjunction with the attached drawing side of being only for of specific embodiment
Just understand the embodiment of the present invention, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other drawings based on these drawings；
Fig. 1 is that steinman pin passes through structural schematic diagram of the invention when calcaneum and tibial tubercle；
In figure, 1- steinman pin, 2- carrier unit, 201- first sleeve, 2011- first through hole, the second casing of 202-,
The second through-hole of 2021-, 2022- through slot, 3- rubber pad, 4- third position limiting structure, the first position limiting structure of 5-, 501- limited bolt,
502- third through-hole, 503- fourth hole, the second position limiting structure of 6-, the 4th position limiting structure of 7-, 8- shin bone, 9- tibial tubercle, 10-
Calcaneum.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
As shown in Figure 1, the present invention provides a kind of fixed bracket of the two-way reverse drag of percutaneous pinning, including two steinman pins 1
With two carrier units 2；Rubber pad 3 there are two being worn on each steinman pin 1, in 1 use process of steinman pin, two rubber pads
3 respectively close to suffering limb two sides skin, skin is protected；To prevent patient during activity suffering limb, suffering limb is along this
Family name's needle 1 is mobile and brings pain to patient, and the outside of two rubber pads 3 is equipped with third position limiting structure 4, third position limiting structure 4
For nylon cable tie, there is convenient and practical, at low cost advantage；
Carrier unit 2 includes first sleeve 201, and the outer cover of first sleeve 201 is equipped with the second casing 202 wherein, and first
Casing 201 and the second casing 202 are pvc pipe；
Second casing 202 is equipped with the first position limiting structure 5, and the first position limiting structure 5 protrudes into the to 201 connecting pin of first sleeve
Position inside two casings 202 is defined, wherein the first position limiting structure 5 is located at the central region of 202 side wall of the second casing；
First sleeve 201, to when pulling out outside the second casing 202, reaches commitment positions, directly limits using first along axis
Bit architecture 5 limits first sleeve 201, prevents first sleeve 201 from retracting inside the second casing 202, has easy to operate
The advantages of；After tentatively installing two-way reverse drag fixed bracket, the characteristics of according to fracture site, to first sleeve 201 along axis
Line is rotated, and is rotated by first sleeve 201, drives steinman pin 1 that angle change occurs, and steinman pin 1 drives fracture site to move
It is dynamic, to realize to fracture site contraposition to line, has the advantages that easily operated, contraposition is short to line time-consuming, reduces patient suffering；
First position limiting structure 5 includes limited bolt 501, the third through-hole 502 on 202 side wall of the second casing, is pulled outwardly
Limited bolt 501 is placed in corresponding third through-hole when carrier unit 2, which reaches preset length, to be needed to position by dynamic first sleeve 201
In 502, the connecting pin of first sleeve 201 is stopped, the relative position of first sleeve 201 and the second casing 202 is carried out
It limits, prevents first sleeve 201 from retracting the inside of the second casing 202；
Fourth hole 503, axis and the third through-hole 502 of fourth hole 503 are additionally provided on the side wall of second casing 202
Axis is vertical, and fourth hole 503 and third through-hole 502 are distributed on the side wall of the second casing 202；By limited bolt 501
It is placed in fourth hole 503, reinforces the restriction to 202 relative position of first sleeve 201 and the second casing, prevent from carrying out temporarily
First sleeve 201 retracts in the second casing 202 when fixed, and guarantee, which is fixed temporarily, to be gone on smoothly；
The side wall of first sleeve 201 is equipped with first through hole 2011, freedom of the first through hole 2011 close to first sleeve 201
End；There are five first through hole 2011 is set；
The side wall of second casing 202 is equipped with the second through-hole 2021；Freedom of second through-hole 2021 close to the second casing 202
End；There are five second through-hole 2021 is set；
A piece steinman pin 1 passes through the first through hole 2011 of two carrier units 2, and another steinman pin 1 passes through two brackets
Second through-hole 2021 of unit 2 makes the fixed bracket of the two-way reverse drag of percutaneous pinning be formed as geometric system；
Lead to traction angle or tractive force to prevent steinman pin 1 from moving along first through hole 2011, the second through-hole 2021
Degree changes, and multiple 4th position limiting structures 7 are equipped on steinman pin 1, and the 4th position limiting structure 7 is located at steinman pin 1 and the
The junction of the junction of sleeve 201 and steinman pin 1 and the second casing 202, wherein the 4th position limiting structure 7 is nylon cable tie；
The side wall of second casing 202 is equipped with through slot 2022, and through slot 2022 is located at the connecting pin of the second casing 202；Through slot
2022 outer cover is equipped with the second position limiting structure 6, and the second 6 pairs of position limiting structure is aligned counter lead two-way to the percutaneous pinning after line
Draw fixed bracket and carry out last fixation, improves its stability；
There are four through slot 2022 is set, the side wall of 202 connecting pin of the second casing is divided into quarter, when to the second casing
202 and first sleeve 201 when finally being fixed, 202 side wall of the second casing of quarter can directly and first sleeve 201 it is outer
Wall fitting, further increases the firmness of connection；
Since the internal diameter of the second casing 202 is greater than the outer diameter of first sleeve 201, it is tied when directly using second to limit
When structure 6 limits first sleeve 201 and the second casing 202, it is sliding inside the second casing 202 that first sleeve 201 can be generated
Dynamic phenomenon, therefore, using through slot 2022, by the side wall piecemeal of the second casing 202, thus right using the second position limiting structure 6
When second casing 202 and first sleeve 201 limit, the side wall of the second casing 202 is bonded with the outer wall of first sleeve 201 more to be stepped up
It is close, avoid first sleeve 201 from rotating relative to the second casing 201, improve the support bracket fastened stability of two-way reverse drag and securely
Property, it prevents patient's fracture site in active procedure to be displaced, contraposition is avoided to shift line, when saving patient's recovery
Between, reduce patient suffering；
Second position limiting structure 6 is nylon cable tie, after being aligned according to the structure of fracture end face to line, directly tenses Buddhist nun
Imperial band is realized and counter is led percutaneous pinning is two-way by tightening the side wall of 202 connecting pin of the second casing with first sleeve 201
Draw fixed bracket finally to be fixed, have the advantages that convenient and practical；
When needing to carry out bilateral traction to 8 fracture of shin bone, according to 8 length of shin bone, first sleeve 201 and second is adjusted
The relative position of casing 202, when the length of carrier unit 2 reaches needed length, using the first position limiting structure 5 to first sleeve
201 position is defined, and prevents first sleeve 201 from retracting in the second casing 202；A branch is passed through using a steinman pin 1
First through hole 2011, the first through hole 2011 of shin bone 8 and another carrier unit 2 of frame unit 2, use another steinman pin 1
Across the second through-hole 2021 of the second through-hole 2021 of a carrier unit 2, shin bone 8 and another carrier unit 2, make two-way anti-
It draws fixed bracket and tentatively fixed recovery tibia length is carried out to shin bone 8；After tentatively fixing, according to the rotation of fracture site
Angle rotates first sleeve 201, until after reaching contraposition to line requirement, using the second position limiting structure 6 by first sleeve 201 and the
Two casings 202 fix；By described above as can be seen that being aligned in line process, to two-way reverse drag
Adjustment, the fixation of fixation device have the advantages that operating process is simple, can reduce patient suffering；
Wherein, central region refers to the region on 202 side wall of the second casing between the second through-hole 2021 and through slot 2022；The
The connecting pin of sleeve 201 refers to the end connecting with the second casing 202, and the other end of first sleeve 201 is first sleeve 201
Free end；The connecting pin of second casing 202 refers to the end connecting with first sleeve 201, and the other end of the second casing 202 is
The free end of second casing 202.
In the present invention, by taking steinman pin punctures calcaneum and tibial tubercle as an example, application method of the invention is provided:
(1) prepare: Preoperative Method acquires patient medical history after being admitted to hospital, carry out a medical examination in detail, and conventional line Ipsilateral knee, ankle close
Section and the CT scan inspection when necessary of tibiofibula positive side position x-ray.Preparation steinman pin 1 (3.5mm*250) two；First sleeve 201,
Two casings 202 each two, the length of first sleeve 201 are 30cm, and the length of the second casing 202 is 35cm；It is managed in first set 201
Five first through hole 2011 are drilled on the side wall of free end, the aperture of first through hole 2011 is 3.9mm, at second set 202
It manages and is drilled with the second through-hole 2021 on the side wall of free end, the aperture of the second through-hole 2021 is 3.9mm；Limited bolt 501 4,
The application uses medical cotton stick as limited bolt；In the application, the second position limiting structure 6 and third position limiting structure 4 are all made of nylon
Band, nylon cable tie ten, rubber pad 3 four.
(2) surgical technic
Patient lies supine position, Ipsilateral calf-raise, 0.5% iodophor disinfection paving is single, using 1% lidocaine local anaesthesia,
Proximal end pierces one piece of 3.5mm steinman pin, 10 Bone traction of shank distal row calcaneum perpendicular to knee joint in tibial tubercle 9.Specific behaviour
Make: tibial tubercle 9 draws site of puncture: under 9 top of tibial tubercle, rear each 2cm ecto-entad inserting needle, preventing from injuring diseased total mind
Through；Calcaneum 10 draws site of puncture: rubber pad 3 is passed through this by lower edge line midpoint inserting needle from inside to outside after internal malleolus point and calcaneum
Family name's needle 1 is stuck in limbs both ends, and outside adds nylon cable tie to prevent suffering limb from shifting, and proximal end steinman pin 1 is inserted directly into advance at second set
The second through-hole 2021 being drilled on pipe 202, distal end are inserted into the first through hole 2011 of 201 distalmost end of first sleeve, will be exposed at first
The steinman pin end of 202 outside of casing 201 and the second casing is bent into 90 degree using stainless steel hollow bushing, in traction distal end
After steinman pin 1 restores limbs length, and swab stick bamboo stick is inserted into third through-hole 502 and fourth hole 503, prevents first set
Pipe 201 retracts in the second casing 202, then corrects limb rotating displacement, nylon cable tie binding is used to have through slot after satisfied
2022 the second casing 202 prevents first sleeve 201 from rotating, increases the support bracket fastened stability of two-way reverse drag, then clap
Piece checks displacement fracture situation, can increase or decrease reversed traction strength according to displacement fracture situation.
Claims (10)
1. a kind of fixed bracket of the two-way reverse drag of percutaneous pinning, which is characterized in that including two steinman pins and two carrier units,
The carrier unit includes first sleeve, and the outer cover of the first sleeve is equipped with the second casing；On second casing
Equipped with the first position limiting structure, the position that the first position limiting structure protrudes into the second casing first sleeve connecting pin is defined,
In, the first position limiting structure is located at the central region of the second sleeve side walls；
The side wall of the first sleeve is equipped with first through hole, and first through hole is close to the free end of first sleeve；
The side wall of second casing is equipped with the second through-hole；Second through-hole is close to the free end of the second casing；
Piece steinman pin passes through the first through hole of two carrier units, and another steinman pin passes through the of two carrier units
Two through-holes make the fixed bracket of the two-way reverse drag of percutaneous pinning be formed as geometric system；
The side wall of second casing is equipped with through slot, and through slot is located at the connecting pin of the second casing；The outside of the through slot is arranged
There is the second position limiting structure.
2. the fixed bracket of the two-way reverse drag of percutaneous pinning as described in claim 1, which is characterized in that be installed on the steinman pin
Two rubber pads.
3. the fixed bracket of the two-way reverse drag of percutaneous pinning as claimed in claim 2, which is characterized in that the steinman pin is equipped with
Third position limiting structure is in contact on the outside of the third position limiting structure and rubber pad.
4. the fixed bracket of the two-way reverse drag of percutaneous pinning as claimed in claim 3, which is characterized in that the steinman pin is equipped with
Multiple 4th position limiting structures, the 4th position limiting structure are located at junction and steinman pin and second set of steinman pin and first sleeve
The junction of pipe.
5. the fixed bracket of the two-way reverse drag of percutaneous pinning according to any one of claims 1-4, which is characterized in that described first
Position limiting structure includes limited bolt, multiple third through-holes on the second sleeve side walls, and limited bolt is placed in third through-hole.
6. the fixed bracket of the two-way reverse drag of percutaneous pinning as claimed in claim 5, which is characterized in that the side of second casing
Fourth hole is additionally provided on wall, the axis of fourth hole and the axis of third through-hole are vertical, and between fourth hole and third through-hole
Every on the side wall for being distributed in the second casing, limited bolt is equipped in the fourth hole.
7. the fixed bracket of the two-way reverse drag of percutaneous pinning according to any one of claims 1-4, which is characterized in that described first
There are five through-hole is set, there are five the second through-hole is set.
8. the fixed bracket of the two-way reverse drag of percutaneous pinning according to any one of claims 1-4, which is characterized in that the through slot
If there are four, the side wall at the second casing connection end is divided into quarter.
9. the fixed bracket of the two-way reverse drag of percutaneous pinning according to any one of claims 1-4, which is characterized in that described second
Position limiting structure, third position limiting structure and the 4th position limiting structure are nylon cable tie.
10. the fixed bracket of the two-way reverse drag of percutaneous pinning according to any one of claims 1-4, which is characterized in that the branch
The first sleeve of frame unit and the second casing are pvc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025561.1A CN109091210A (en) | 2018-09-04 | 2018-09-04 | A kind of fixed bracket of the two-way reverse drag of percutaneous pinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025561.1A CN109091210A (en) | 2018-09-04 | 2018-09-04 | A kind of fixed bracket of the two-way reverse drag of percutaneous pinning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109091210A true CN109091210A (en) | 2018-12-28 |
Family
ID=64865067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811025561.1A Pending CN109091210A (en) | 2018-09-04 | 2018-09-04 | A kind of fixed bracket of the two-way reverse drag of percutaneous pinning |
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|---|---|
| CN (1) | CN109091210A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB421788A (en) * | 1933-06-29 | 1934-12-31 | Eloi Renevey | Apparatus for the treatment of bone-fractures |
| CN2271350Y (en) * | 1995-06-28 | 1997-12-31 | 王东风 | External fixing rack wooden pedal and guide drill of multiporous metal thread bar puncture needle |
| CN2678582Y (en) * | 2004-03-05 | 2005-02-16 | 张云光 | Multiporous double-arm pressuring external fixer |
| US20090118733A1 (en) * | 2007-10-31 | 2009-05-07 | Wright Medical Technology, Inc. | Orthopedic device |
| CN103800058A (en) * | 2012-11-14 | 2014-05-21 | 天津市新中医疗器械有限公司 | Adjustable pressurizing lengthening device |
| CN209091566U (en) * | 2018-09-04 | 2019-07-12 | 滨州医学院附属医院 | A kind of fixed bracket of the two-way reverse drag of percutaneous pinning |
-
2018
- 2018-09-04 CN CN201811025561.1A patent/CN109091210A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB421788A (en) * | 1933-06-29 | 1934-12-31 | Eloi Renevey | Apparatus for the treatment of bone-fractures |
| CN2271350Y (en) * | 1995-06-28 | 1997-12-31 | 王东风 | External fixing rack wooden pedal and guide drill of multiporous metal thread bar puncture needle |
| CN2678582Y (en) * | 2004-03-05 | 2005-02-16 | 张云光 | Multiporous double-arm pressuring external fixer |
| US20090118733A1 (en) * | 2007-10-31 | 2009-05-07 | Wright Medical Technology, Inc. | Orthopedic device |
| CN103800058A (en) * | 2012-11-14 | 2014-05-21 | 天津市新中医疗器械有限公司 | Adjustable pressurizing lengthening device |
| CN209091566U (en) * | 2018-09-04 | 2019-07-12 | 滨州医学院附属医院 | A kind of fixed bracket of the two-way reverse drag of percutaneous pinning |
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