CN206534699U - It is accurate in one kind auxiliary art to reset and hold pelvis exterior fixing rack - Google Patents
It is accurate in one kind auxiliary art to reset and hold pelvis exterior fixing rack Download PDFInfo
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- CN206534699U CN206534699U CN201621019702.5U CN201621019702U CN206534699U CN 206534699 U CN206534699 U CN 206534699U CN 201621019702 U CN201621019702 U CN 201621019702U CN 206534699 U CN206534699 U CN 206534699U
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- retainer ring
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- upper boom
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Abstract
The utility model is related to accurate in a kind of auxiliary art reset and holding pelvis exterior fixing rack, the first retainer ring and the second retainer ring and two ends including two flat annulars are respectively hinged at three groups on them totally six adjusting rods, adjusting rod is two-stage structure, axially opposed telescopically to connect and provided with axial lock structure and scale and instruction structure.This pelvis exterior fixing rack passes through the preoperative analog reset to patient's 3D pelvis models, record the scale value on six adjusting rods, then the length for adjusting six adjusting rods according to the scale value recorded in art, which reaches, accurately resets the pelvis of fracture, convenient to reset and complete operation.Meanwhile, the technical requirements to patient are greatly lowered, and whole process without being carried out under the monitoring of x-ray in art, protects patient and patient.
Description
Technical field
The utility model is related to a kind of medical auxiliary apparatus, and in particular to accurate in one kind auxiliary art to reset and hold pelvis
Exterior fixing rack.Suitable for the reset of all types of patients with pelvis fracture, include the horizontal shift, axially displaced and each of pelvic ring
Plant compound displacement.Be mainly used in preoperative reset plan formulation and art in auxiliary hold reset.
Background technology
In pelvis it is the important blood vessels nerve of important organ and domination lower limb, and collects the important neural blood vessel of pelvis more
In near posterior ring pelvic, posterior ring pelvic is once damaging easily causes that patient is lethal, disable, the pelvic fracture of posterior ring pelvic damage
Mostly Unstable pelvic fractures, lethal, the disability rate for having document report Unstable pelvic fractures may be up to 10-40%.Therefore,
It is accurate to reset, fix in time for unstable bone in order to farthest reduce the complication rate of Unstable pelvic fractures
The prognosis of basin fracture patient is extremely important.
Traditional therapeutic modality is internal fixation, although this mode can look at damage field straight, beneficial to dissection
It is multiple, but because pelvic surgery approach needs big otch and extensive soft tissue to peel off, the important blood vessels neurotrosis thus brought
The healing problems such as risk and infection of incisional wound increase therewith, and follow-up operative treatment is also very intractable.And closed reduction pelvic fracture,
Minimally invasive types screw fixation technique is then avoided that in the above art caused by open reduction or postoperative complications, is increasingly becoming orthopedist
Treat the study hotspot of pelvic fracture.The premise of minimally-invasive treatment is the displacement of parking position accuracy Unstable pelvic fractures, closed reduction bone
The advantage of basin fracture is farthest reduce the risk of blood vesssls and nerves injuries caused by cutting operation exposure soft tissue.
Pelvic fracture is implemented it is final fixed before, accurate reset is most important also one of most difficult link.Due to pelvic position
Exist deeply, and it is in irregular shape, how to implement the accurate closed reduction of pelvis and be particularly important.But traditional closed reduction process is complete
The full manipulation for relying on patient, the technical requirements to patient are high, and whole process is required under the monitoring of x-ray enter in art
OK, the ray exposure to medical personnel is excessive.In addition the shortcoming of traditional closed reduction also has：1st, lower limb traction is continued, it is necessary to help
Hand maintains reset position；2nd, when fixed operation is with perspective in carrying out, reset position is easily lost；3rd, after the completion of resetting, phase is inserted
Screw is closed to still need to have an X-rayed guarantee security and accuracy repeatedly.Therefore accurate reset and holding bone in art can be aided in by having needed one kind badly
The exterior fixing rack of basin.
The content of the invention
The purpose of this utility model is that there is provided a kind of traction effect is more preferable in order to overcome the shortcomings of prior art presence
Leg traction frame.
To achieve the above object, the utility model provides following technical scheme：It is accurate in one kind auxiliary art to reset and handle
Hold pelvis exterior fixing rack, it is characterised in that：Include the first retainer ring and the second retainer ring of two flat annulars, described first
The side of retainer ring is uniformly provided with three groups of totally six first hinged seats, and the side of second retainer ring is uniformly provided with three groups totally six
Individual second hinged seat, is provided with three groups of totally six adjusting rods, adjusting rod is two between first retainer ring and the second retainer ring
Segment structure, respectively upper boom and lower beam, one end of the upper boom and lower beam is axially opposed telescopically to be connected and provided with axially
Scalable scale and instruction structure are additionally provided with latch-up structure, the adjusting rod, the other end of the upper boom is first end, described
The other end of lower beam is the second end, and the first end with two articles of adjusting rods of group is hinged on two of same group the in the way of universal joint
On one hinged seat, the second end with two articles of adjusting rods of group is respectively hinged at two of adjacent sets adjacent the in the way of universal joint
On two hinged seats, the steel nail extended laterally a installing arm is also respectively provided with first retainer ring and the second retainer ring respectively.
It is accurate in the utility model auxiliary art to reset and hold pelvis exterior fixing rack by preoperative to patient's 3D pelvis moulds
Scale value on the analog reset of type, six adjusting rods of record, then adjusts six tune in art according to the scale value recorded
The length of pole, which reaches, accurately resets the pelvis of fracture, convenient to reset and complete operation.Meanwhile, the technical requirements to patient are big
For reduction, whole process without being carried out under the monitoring of x-ray in art, protects patient and patient.
Below in conjunction with the accompanying drawings and specific embodiment is further described to the utility model.
Brief description of the drawings
Fig. 1 is the utility model specific embodiment structural representation.
Embodiment
Aid in art it is accurate reset and hold pelvis exterior fixing rack include the first retainer ring 2 and the of two flat annulars
Two retainer rings 1, the side of first retainer ring 2 is uniformly provided with three groups of totally six first hinged seats 307, second retainer ring
1 side is uniformly provided with three groups of totally six second hinged seats 308, and the first hinged seat 307 and the second hinged seat 308 are around itself
Three groups of totally six adjusting rods 3 are provided between the rotatable setting of central shaft, the retainer ring 1 of the first retainer ring 2 and second, are adjusted
Bar 3 is two-stage structure, respectively upper boom 301 and lower beam 302, and one end of the upper boom 301 and lower beam 302 is axially opposed to stretch
Contracting ground, which is connected and is provided with axial lock structure, the adjusting rod 3, is additionally provided with scalable scale and instruction structure, the upper boom
301 other end is first end, and the other end of the lower beam 302 is the second end, and the first end with two adjusting rods 3 of group is with universal
The mode of section is hinged on same group of two the first hinged seats 307, and the mode of universal joint is hinged and can be mutually perpendicular to using two
Jointed shaft be hinged, with two adjusting rods 3 of group the second end be respectively hinged in the way of universal joint two of adjacent sets it is adjacent
The second hinged seat 308 on, be also respectively provided with a steel extended laterally respectively in the retainer ring 1 of the first retainer ring 2 and second
Follow closely installing arm 4.As shown in figure 1, in this specific embodiment, the upper boom 301 of the adjusting rod 3 is screw-rod structure, and lower beam 302 is one
The hollow tubular structure of end opening, the diameter of bore of lower beam 302 coordinates with the crest clearance of upper boom 301, is set on the endoporus of lower beam 302
There is axial through groove 306, the avris of through groove 306 is provided with graduation mark vertically, and the lower end of upper boom 301 is plugged in shape in the endoporus of lower beam 302
Into it is described it is axially opposed telescopically connect, be additionally provided with the lower end of upper boom 301 mark projection 305 from axial through groove 306
Expose, be also arranged with banding set outside the screw rod of the upper boom 301,303 and locking nut 304, banding sleeve pipe 303 and locking nut
Axial lock structure described in 304.The steel nail installing arm 4 includes one section of forearm 401 and one section of postbrachium 402, one end of postbrachium 402
Be fixedly connected with the first retainer ring 2 or the second retainer ring 1, one end of forearm 401 and the other end of postbrachium 402 simultaneously with a company
Extension bar 403 is fixedly connected, and the other end of forearm 401 is provided with draw point clamping device 404.
Accurate reset and holding pelvis exterior fixing rack has following two applications in this auxiliary art：1st, according to preoperative simulation hand
The accurate reset of fracture is realized in art, art；2nd, conventional pelvis is completed after resetting, and the present apparatus, which can be realized to hold in art, to be resetted, and is prevented
Only cause the situation that the fracture resetted is shifted again due to artificial hold.
（One）Performed the operation according to preoperative simulation, the accurate reset of fracture is realized in art：
Operation uses step：
Preoperative simulation：Resetted accurate in this auxiliary art and holding pelvis exterior fixing rack and two steel nail installing arms first
4 all screw ducts are in relaxed state, according to the displacement situation of pelvic fracture, the reset of 3D pelvic models are carried out, when multiple
After position is completed, the screw hole of steel nail installing arm 4 is tightened into clamping steel nail, locking state is arrived in the regulation of the upper locking nut of adjusting rod 3,
And record the number of division on 6 adjusting rods 3.Then, the upper locking nut of adjusting rod 3 is kept to adjust under locking state, will be whole
Individual device is removed from 3D pelvic models, and other attachment means are in tight condition.High-temperature sterilization is carried out in disinfection room afterwards,
In case being used in next step art.
Operated in art：By the steel nail of patient both sides anterior superior spine（, will be common outer solid as what is finally fixed after the completion of inserting
Fixed rack is connected on steel nail, now, and the screw duct on outrigger is in relaxed state.Afterwards will be accurately multiple in this auxiliary art
Position and hold pelvis exterior fixing rack and be connected on the steel nail of anterior superior spine, while adjusting number of division on 6 adjusting rods 3 to art
The number of degrees of front simulation operation and locking.X-ray examination pelvis ap, outlet position and entrance position, it is now visible to have shifted pelvis
Reset, as preoperative simulation operation.Now, the screw hole of common external fixing rack is tightened, afterwards will be accurate in this auxiliary art
Reset and hold pelvis exterior fixing rack and remove, then carry out wound suture, wrapping completes operation.
Reset response is held in art：
The operation technique of conventional pelvic fracture, does not carry out preoperative 3D printing and accurate preoperative plan.Completed in art
Putting after nail for pelvis anterior superior spine, resets accurate in common exterior fixing rack and this auxiliary art and holding pelvis exterior fixing rack
It is all connected on two pieces of draw points.The reset that operative doctor is fractured afterwards, operative doctor is completed after once resetting, by the present apparatus
Screw tighten, now, operative doctor can loose one's grip.Hereafter, it is accurate in this auxiliary art to reset and hold fixed outside pelvis
Support carries out the holding of fracture end, then X-ray examination in row art, it is possible to reduce have an X-rayed the wound caused to medical worker in art repeatedly
Evil, while also the situation for resetting loss will not be caused to produce because of artificial hold.
Accurate reset and holding pelvis exterior fixing rack can be used for the behaviour of the reset to various pelvic fractures in this auxiliary art
Make, the reset operating process of pelvic fracture is accurately implemented by scale and particular path, reach that traditional closed reduction can not be easily
The Unstable pelvic fractures anatomical reduction of completion.Meanwhile, reset response is maintained in the art of the device, x-ray in art can also be reduced
Perspective, protection patient and medical personnel reduce radiation injury.
Claims (3)
1. accurate in one kind auxiliary art reset and hold pelvis exterior fixing rack, it is characterised in that：Including two flat annulars
First retainer ring and the second retainer ring, the side of first retainer ring are uniformly provided with three groups of totally six first hinged seats, described
The side of second retainer ring is uniformly provided with three groups of totally six second hinged seats, is set between first retainer ring and the second retainer ring
Three groups of totally six adjusting rods are equipped with, adjusting rod is two-stage structure, respectively upper boom and lower beam, one end edge of the upper boom and lower beam
It is axially opposing telescopically to connect and provided with axial lock structure, scalable scale is additionally provided with the adjusting rod and knot is indicated
Structure, the other end of the upper boom is first end, and the other end of the lower beam is the second end, with two adjusting rods of group first end with
The mode of universal joint is hinged on same group of two the first hinged seats, and the second end with two adjusting rods of group is with the side of universal joint
Formula is respectively hinged on two the second adjacent hinged seats of adjacent sets, is also distinguished in first retainer ring and the second retainer ring
It is respectively provided with the steel nail extended laterally a installing arm.
2. accurate in auxiliary art according to claim 1 reset and hold pelvis exterior fixing rack, it is characterised in that：It is described
The upper boom of adjusting rod is screw-rod structure, and lower beam is the hollow tubular structure of one end open, between lower beam diameter of bore and upper boom external diameter
Gap coordinates, and the lower beam endoporus is provided with axial through groove, and through groove avris is provided with graduation mark vertically, and the lower end of upper boom is plugged in down
Formed in bar endoporus it is described it is axially opposed telescopically connect, be additionally provided with the lower end of upper boom mark projection from axial through groove
Expose, banding sleeve pipe and locking nut are also arranged with outside the screw rod of the upper boom, banding sleeve pipe and locking nut constitute the axle
To latch-up structure.
3. accurate in auxiliary art according to claim 1 reset and hold pelvis exterior fixing rack, it is characterised in that：It is described
Steel nail installing arm includes one section of forearm and one section of postbrachium, and one end of postbrachium is fixedly connected with the first retainer ring or the second retainer ring,
One end of forearm and the other end of postbrachium are fixedly connected with a connecting rod simultaneously, and the other end of forearm is provided with draw point clamping machine
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019702.5U CN206534699U (en) | 2016-08-31 | 2016-08-31 | It is accurate in one kind auxiliary art to reset and hold pelvis exterior fixing rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621019702.5U CN206534699U (en) | 2016-08-31 | 2016-08-31 | It is accurate in one kind auxiliary art to reset and hold pelvis exterior fixing rack |
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| CN206534699U true CN206534699U (en) | 2017-10-03 |
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| CN201621019702.5U Active CN206534699U (en) | 2016-08-31 | 2016-08-31 | It is accurate in one kind auxiliary art to reset and hold pelvis exterior fixing rack |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264691A (en) * | 2016-08-31 | 2017-01-04 | 温州医科大学附属第二医院 | A kind of auxiliary art accurately resets and holds pelvis exterior fixation bracket |
| CN107928956A (en) * | 2017-11-28 | 2018-04-20 | 北京积水潭医院 | A kind of reduction of the fracture grasping device based on operating bed |
| WO2020029378A1 (en) * | 2018-08-10 | 2020-02-13 | 天津大学 | Automatic identification method for spatial pose of parallel external fixation for bone fracture |
| CN111317554A (en) * | 2020-03-26 | 2020-06-23 | 北京市春立正达医疗器械股份有限公司 | Pelvis reduction tractor |
-
2016
- 2016-08-31 CN CN201621019702.5U patent/CN206534699U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106264691A (en) * | 2016-08-31 | 2017-01-04 | 温州医科大学附属第二医院 | A kind of auxiliary art accurately resets and holds pelvis exterior fixation bracket |
| CN107928956A (en) * | 2017-11-28 | 2018-04-20 | 北京积水潭医院 | A kind of reduction of the fracture grasping device based on operating bed |
| WO2020029378A1 (en) * | 2018-08-10 | 2020-02-13 | 天津大学 | Automatic identification method for spatial pose of parallel external fixation for bone fracture |
| US11596444B2 (en) | 2018-08-10 | 2023-03-07 | Beijing Naton Medical Technology Holdings Co., Ltd. | Automatic recognition method for spatial position and pose of parallel external fixator for fracture reduction |
| CN111317554A (en) * | 2020-03-26 | 2020-06-23 | 北京市春立正达医疗器械股份有限公司 | Pelvis reduction tractor |
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