CN107822699A - A kind of skull traction device - Google Patents
A kind of skull traction device Download PDFInfo
- Publication number
- CN107822699A CN107822699A CN201711275491.0A CN201711275491A CN107822699A CN 107822699 A CN107822699 A CN 107822699A CN 201711275491 A CN201711275491 A CN 201711275491A CN 107822699 A CN107822699 A CN 107822699A
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- CN
- China
- Prior art keywords
- traction
- retainer ring
- bow
- skull
- screw
- 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.)
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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
- A61B17/56—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00526—Methods of manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- 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
- A61B2017/564—Methods for bone or joint treatment
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a kind of skull traction device, including the retainer ring with cyclic structure, across and be fixed on the traction bow on retainer ring top, the uniform more traction bows in the top of retainer ring, the lateral wall of retainer ring is connected with traction screw device, more traction bows intersect at a point to form central point, central spot is provided with connection central part, more traction bows by connect central part realize between angle of intersection fixation, traction screw device includes traction syringe needle, and retainer ring is fixed by drawing syringe needle with head.A kind of skull traction device provided by the invention, by changing the traction bow structure of traditional skull traction device, traction bow is more solidly fixed in retainer ring, improve the traction strength and traction effect of traction bow, reduce the extra pain that patient is born, and then shorten treatment time.
Description
Technical field
The present invention relates to crystal growing furnace thermal field construction applications, more particularly to a kind of skull traction device.
Background technology
Traction is the effect using additional tractive force and counterextension power, and limbs or trunk are pulled, with up to
To treatment and the purpose of auxiliary treatment.Draw existing reset and have fixation, be widely used in orthopaedics, be a kind of simple and effective
Treatment method, especially for inoperable patient, therapeutic purposes can also be reached by traction.Various skeletal tractions are
The utensils such as spicule, traction bow, rope, hitch frame and traction counterweight by being fixed on privileged site are carried out to fracturing, dislocating
Slowly reset, it is both a kind of method of reset, may also function as good fixation.Bone traction must be according to fractures
Position, age, different adjustment leads, the weight of classification of fracture.
It is general to use when causing Cervical stenosis or displacement when cervical vertebra is because of damage caused by internal and external cause or chronic disease
Skull traction device makes cervical vertebra fix and reset.But traditional skull traction device structure is relatively simple, it is general only
One traction bow, a traction bow only have two fixing points, cause it to draw limited strength, and traction effect is poor, moreover, traction
Bend the flexible deformation during prolonged traction, cause patient to bear extra pain, traction effect treatment is poor, cervical vertebra
Fixed and reset is more difficult, and treatment time is extended, meanwhile, the traction bow after deformation can not be recovered by conventional method to original
Shape, thus scrappage is typically ranged, this obviously causes waste to traction bow, moreover, skull traction device belongs to more expensive
Medicine equipment, premature failure skull traction device can undoubtedly increase medical treatment cost.
The content of the invention
The goal of the invention of the present invention is：For above-mentioned problem, there is provided a kind of skull traction device, pass through change
The traction bow structure of traditional skull traction device, makes traction bow be more solidly fixed in retainer ring, improves the traction of traction bow
Strength and traction effect, the extra pain that patient is born is reduced, and then shorten the purpose for the treatment of time.
The technical solution adopted by the present invention is as follows：A kind of skull traction device, including the retainer ring with cyclic structure, it is horizontal
Across and be fixed on the traction bow on retainer ring top, it is characterised in that the uniform more traction bows in the top of retainer ring, retainer ring it is outer
Side wall is connected with traction screw device, and more traction bows intersect at a point to form central point, and central spot is provided with connection central part,
More traction bows by connect central part realize between angle of intersection fixation, traction screw device include traction syringe needle,
Retainer ring is fixed by drawing syringe needle with head.
Further, the clasp being provided with central part for connecting rope is connected.
Further, connecting central part includes the connection housing with hollow structure, and the side wall for connecting housing is provided with for leading
Draw a bow through perforation.
Further, in connection housing, connect the bottom of housing vertically and be fixedly connected with screw rod, connect the upper end of housing
Face is opened wide and sealed by connection cover, and connection cover is vertical fixed towards the inwall middle part of connection housing and is connected with sleeve, sleeve tool
There is hollow structure, screw rod coordinates through traction bow and bush whorl.
Further, outwards expanding formation boss, the boss are used to limit under the traction bow on screw rod for the bottom of screw rod
Move distance.
Further, the upper surface of connection cover is provided with clasp.
Further, traction screw device includes locating sleeve, and locating sleeve is fixedly connected on the lateral wall of retainer ring, positioning
Coordinate in sleeve pipe and traction screw is installed, one end of traction screw through locating sleeve and retainer ring and forms traction syringe needle, leads
Drawing screw can move between locating sleeve and retainer ring along the axis direction of traction screw.
Preferably, the traction bow is two, two traction bows are in right-angled intersection, and the central point of right-angled intersection, which is set, to be connected
Central part is connect, connection centre is in the surface at retainer ring center.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：A kind of cranium provided by the invention
Bone distraction apparatus, by changing the traction bow structure of traditional skull traction device, traction bow is set to be more solidly fixed to retainer ring
On, the traction strength and traction effect of traction bow are improved, reduces the extra pain that patient is born, and then shorten treatment
Time.
Brief description of the drawings
Fig. 1 is the three dimensional structure diagram of the skull traction device of the present invention；
Fig. 2 is the Stiff Block partial cross structural representation of the present invention；
Fig. 3 is the connection central part main structure diagram of the present invention；
Fig. 4 is the connection central part cross section structure diagram of the present invention.
Marked in figure：1 is retainer ring, and 2 be Stiff Block, and 201 be air-vent, and 3 be elastomer block, and 4 be locating sleeve, and 5 be to lead
Draw screw, 6 be pressing portion, and 7 be traction syringe needle, and 8 be traction bow, and 9 be connection central part, and 901 be connection housing, and 902 be screw rod,
903 be connection cover, and 904 be sleeve, and 905 be boss, and 10 be clasp, and 11 be spongy layer.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figures 1 to 4, a kind of skull traction device, includes the retainer ring 1 of cyclic structure, and retainer ring 1 includes rigidity
Block 2 and the elastomer block 3 that can be stretched, Stiff Block 2 are staggered with elastomer block 3 and are fixedly connected to form retainer ring 1, that is to say
Say, the diameter of the annular ring that retainer ring 1 is surrounded can adjust to obtain suitably sized by tensile elasticity block 3.Stiff Block 2
Middle part be provided with locating sleeve 4, locating sleeve 4 is vertical and is fixedly mounted on Stiff Block 2 towards in the side wall outside retainer ring 1, fixed
Coordinate in the sleeve pipe 4 of position and traction screw 5 is installed, one end of the remotely located sleeve pipe 4 of traction screw 5 is fixedly connected with pressing portion 6, traction
The other end of screw 5 is through locating sleeve 4 and Stiff Block 2 and forms traction syringe needle 7, and traction screw 5 can be in the He of locating sleeve 4
Moved between Stiff Block 2 along the axis direction of traction screw 5, traction screw 5 can form screw thread with locating sleeve 4 and coordinate, and enter
And realize that precession and back-out of the traction syringe needle 7 in retainer ring 1 operate by rotating pressing portion 6.
In order to preferably fix retainer ring 1, prevent retainer ring 1 from being slided on head, the top of Stiff Block 2 is fixed
The traction bow 8 of arched shape is connected with, the both ends of traction bow 8 are fixedly connected with Stiff Block 2, and traction bow 8 is across whole
Retainer ring 1, the i.e. spanwise dimension of traction bow 8 are not less than the annular ring diameters size of retainer ring 1.The top of retainer ring 1 sets more
Root traction bow 8, the intersecting centrally disposed connection central part 9 of more traction bows 8, more traction bows 8 are realized by connecting central part 9
The fixation of angle each other, connect and be provided with clasp 10 on central part 9, for connecting rope, be easy to place traction counterweight.
Further, in order that connection central part 9 preferably fixed traction bends the angle between 8, central part 9 is connected
Including the connection housing 901 with hollow structure, the side wall of connection housing 901 is provided with perforation（Do not marked in figure）, in order to lead
Draw a bow and 8 pass through, the skew of traction bow 8, and then the technology of the angle between fixed traction bow 8 are limited by perforating
Effect, it is easy to skull traction device that draw is better achieved.Further, in order that traction bow 8 in installation process not
It can shift and rock, so that skull traction device more smoothly and is more stably arranged on the head of patient, in connection housing
In 901, connect the bottom of housing 901 vertically and be fixedly connected with screw rod 902, external screw thread is provided with screw rod 902, connect housing
901 upper surface is opened wide and sealed by connection cover 903, and the top of connection cover 903 sets clasp 10, and connection cover 903 is towards connection
Vertical in the middle part of the inwall of housing 901 to fix and be connected with sleeve 904, sleeve 904 has hollow structure, and the inwall of sleeve 904 is set
Internal thread is equipped with, screw rod 902 coordinates through traction bow 8 and the screw thread of sleeve 904, and then compresses traction bow 8 by sleeve 904.More
Further, in order to improve the compression effect of sleeve 904, the bottom of screw rod 902 is outwards expanding to form boss 905, passes through boss
The extruding of 905 spacing and sleeve 904 makes traction bow 8 firmly be fixed in connection housing 901.
Further, it is contemplated that skull traction device can be worn over the head of patient for a long time, and the present invention is set on Stiff Block 2
Multiple air-vents 201 are equipped with, as shown in Fig. 2 air-vent 201 is distributed on Stiff Block 2, the setting of air-vent 201 on the one hand can
With solve the problems, such as at retainer ring 1 it is airtight, easily perspire fuel-displaced, on the other hand can be dripped by air-vent 201 at retainer ring 1
Add thimerosal, and then sterilize the purpose of cleaning, avoid the trouble that skull traction device is pulled down in distraction procedure, ensure
Traction effect.
Further, because retainer ring 1 can change the span of traction bow 8 during expanding, it is therefore desirable to traction bow
8 while possessing yield strength well, it is necessary to there is bending strength well, and surrender be present by force in traditional stainless steel
Big, the problem of bending property is relatively low is spent, and in use, stainless steel traction bow becomes after multiple plastic deformation
Obtain irregularly, it can not make its reinstatement by way of pulling or beaing, and traction bow in irregular shape can make retainer ring
On each Stiff Block unbalance stress, with traction counterweight add weight draw when, it is difficult to adjust required tractive force, cause to draw
Effect is deteriorated, and patient can bear more unnecessary pains, and therefore, traction bow keeps regular shape important, in order to overcome
These defects existing for stainless steel traction bow, the present invention provide a kind of inexpensive stainless steel with shape memory function
Material, specifically, the signified stainless steel material with shape memory function of the present invention are calculated by with the following group by mass percentage
It is grouped into：Carbon is 0.09-0.12%, nickel 4.36-5.23%, chromium 3.86-5.20%, manganese 12.46-13.33%, and silicon is
2.51-3.01%, niobium 1.47-1.89%, titanium 4.23-4.87%, yttrium 0.20-0.40%, the total amount of p and ses are no more than
0.035%, surplus is iron and its inevitable impurity.
Further, the preparation method of the stainless steel traction bow with shape memory function comprises the following steps：
Steel ingot is obtained after step 1, raw metal melting casting, ingot conditioning surface dregs, steel ingot is then subjected to hot forging pressure, forging
Temperature control is pressed at 1000 DEG C, initially heating rate control during heating is in 80 DEG C/h, when steel ingot is warming up to 600 DEG C, raising
Until steel ingot reaches 1000 DEG C, sheet material is pressed into a hot forging, then cools down sheet material to 780-820 to 200 DEG C/h for heating rate
DEG C, hot forging swaging is carried out again to sheet material into the steel bar of required specification, is cooled to steel bar with the furnace room temperature, is obtained blank steel bar；
Step 2, by blank steel bar carry out stress relief annealing, blank steel bar is then processed into traction arch with mach mode
Shape, initial state traction bow is obtained, initial state traction bow is placed in heat-treatment furnace and is heated to 620 DEG C, be incubated 20-30min, then
Oil quenching obtains semi-finished product traction bow to room temperature；
Step 3, at ambient temperature, bending ductility deformation is carried out to semi-finished product traction bow, then put the traction bow after deformation
580 DEG C are heated in heating furnace, is incubated 30min, then cools to room temperature, the operation of repeat step 3, until traction with the furnace again
Untill the recovery strain of bow is 4%, finished product traction bow is obtained.
In above-mentioned, if obvious plastic deformation occurs in use in obtained traction bow, traction can be removed
Bow, traction bow is carried out into heating can resile shape, and the surrender thus overcome present in the stainless steel traction bow of tradition is strong
Degree is big, bending property is low, can recovery capability difference the problem of, improve the traction effect of skull traction device.Further, at this
In the stainless steel of invention, although it belongs to Fe-Mn-Si memory alloy systems, the content of carbon still must be strictly controlled, if carbon
Content more than 0.09-0.12%, then the yield strength of stainless steel material that can make to obtain is excessive, results in the need for consumption very substantially
Power could bend traction bow, be unfavorable for the use of skull traction device, meanwhile, yield strength, which becomes conference, makes later stage heating recover to become
Obtain difficult, it is necessary to be heated to the effect that very high temperature can be only achieved shape recovery, this undoubtedly brings inconvenience.Further, on
Although yttrium in stating belongs to rare earth element, but it can not be by lanthanide series and scandium element substitution, after yttrium is substituted by scandium, traction
The ability of bow recoverable deformation is decreased obviously, and yield strength is significantly raised, and for the traction bow after deformation when heating recovery, it can only
Part recovery is carried out, has significant difference with original shape, therefore, yttrium plays an important roll in the stainless steel of the present invention, can not be with
Meaning is substituted.
In order to which the stainless steel material of the present invention is better described, specific embodiment is exemplified below, as shown in table 1.
The stainless steel material embodiment 1-6 of table 1（Mass percent：%）
The main performance of stainless steel material made from above-described embodiment is as shown in table 2：
The main performance of the embodiment 1-6 final alloy materials of table 2（At 25 DEG C of room temperature）
It can be obtained by table 2, the tensile strength of stainless steel material of the invention is very low, only 383-485 N/mm2, yield strength
No more than 375 N/mm2, toughness reaches 8.5 J/cm2, shape recovery ratio reaches 97.4%, while with the increase of yttrium content, shape
Shape response rate increases, it is indicated above that the addition of yttrium can improve the shape recovery ratio of Fe-Mn-Si memorial alloys.The present invention
Stainless steel material solve the problem of yield strength existing for traditional stainless steel material is excessive, and bending property is relatively low, overcome
Traction bow yielding the defects of scrapping, extend the service life of traction bow.
As an improvement embodiment, because skull traction device is mainly formed with metal parts, its rigidity
Larger, after patient wears, experience sense and comfort are very poor, particularly when skull traction device and patients head's matching degree are poor
When, therefore patient can bear larger pain, be unfavorable for carrying out traction therapeutic to patient, to solve the problem, retainer ring 1 it is interior
The circle spongy layer 11 of wall bonding one, spongy layer 11 can form an annular coil structures along the inwall of retainer ring 1, and it can also only exist
Exist on Stiff Block 2, and then form section nodular.In the present invention, because the annular ring diameters of retainer ring 1 are variable, and sponge material
The tensile property of material itself is poor, therefore, can be positioned only at spongy layer 11 on the inwall of Stiff Block 2, the inwall of elastomer block 3
It is not provided with, the problem of thus overcoming sponge material tensile property difference.By setting spongy layer 11 to buffer skull traction device
Rigidity, increase retainer ring 1 flexibility, when making its head contact with patient, improve the experience sense and comfort of patient, together
When retainer ring 1 can be made fully to be bonded with head, improve skull traction device and the matching degree of patients head, patient is born
Pain effectively reduced, beneficial to traction operation treatment, meanwhile, spongy layer 11 can also be engaged with air-vent 201 and set
Put, thimerosal conveyed into spongy layer 11 by air-vent 201, head is infiltrated by spongy layer 11, makes cleaning performance more preferably,
Also it is beneficial to perspire oil removing in distraction procedure, effectively prevents bacteria breed at this.Further, the thickness of spongy layer 11 should not be small
In 3mm, preferably between 5-10mm, more preferably 7mm.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of skull traction device, including the retainer ring with cyclic structure, across and be fixed on the traction on retainer ring top
Bow, it is characterised in that the uniform more traction bows in the top of retainer ring, the lateral wall of retainer ring is connected with traction screw device, more
Root traction bow intersects at a point to form central point, and central spot is provided with connection central part, and more traction bows are by connecting central part
The fixation of angle of intersection between realization, traction screw device include traction syringe needle, and retainer ring is by drawing syringe needle and head
It is fixed.
2. skull traction device as claimed in claim 1, it is characterised in that be provided with connection central part for connecting rope
Clasp.
3. skull traction device as claimed in claim 1, it is characterised in that connection central part includes the company with hollow structure
Body contact body, the side wall for connecting housing are provided with the perforation passed through for traction bow.
4. skull traction device as claimed in claim 3, it is characterised in that in connection housing, the bottom for connecting housing is hung down
Direct join is fixedly connected with screw rod, connect housing upper surface open wide and sealed by connection cover, connection cover towards connection housing in
Vertical in the middle part of wall to fix and be connected with sleeve, sleeve has hollow structure, and screw rod coordinates through traction bow and bush whorl.
5. skull traction device as claimed in claim 4, it is characterised in that the outside expanding formation boss in the bottom of screw rod, institute
That states the traction bow that boss is used to limit on screw rod moves down distance.
6. skull traction device as claimed in claim 4, it is characterised in that the upper surface of connection cover is provided with clasp.
7. skull traction device as claimed in claim 1, it is characterised in that traction screw device includes locating sleeve, positioning
Sleeve pipe is fixedly connected on the lateral wall of retainer ring, coordinates in locating sleeve and is provided with traction screw, one end of traction screw passes through
Locating sleeve and retainer ring simultaneously form traction syringe needle, and traction screw can be between locating sleeve and retainer ring along traction screw
Axis direction moves.
8. skull traction device as claimed in claim 1, it is characterised in that the traction bow is two, and two traction bows are in
Right-angled intersection, the central point of right-angled intersection set connection central part, and connection centre is in the surface at retainer ring center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275491.0A CN107822699A (en) | 2017-12-06 | 2017-12-06 | A kind of skull traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275491.0A CN107822699A (en) | 2017-12-06 | 2017-12-06 | A kind of skull traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107822699A true CN107822699A (en) | 2018-03-23 |
Family
ID=61641934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711275491.0A Withdrawn CN107822699A (en) | 2017-12-06 | 2017-12-06 | A kind of skull traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107822699A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784813A (en) * | 2018-06-19 | 2018-11-13 | 潍坊护理职业学院 | It is a kind of can intelligent control negative pressure fasten correction type skull traction device |
| CN110786919A (en) * | 2019-08-28 | 2020-02-14 | 中南大学湘雅医院 | Adjustable universal type craniocerebral ring bow |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884561A (en) * | 2010-07-05 | 2010-11-17 | 苏州市百得医疗器械有限公司 | Skull traction frame |
| CN103932770A (en) * | 2014-03-10 | 2014-07-23 | 中国人民解放军第四军医大学 | Skull traction device |
-
2017
- 2017-12-06 CN CN201711275491.0A patent/CN107822699A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101884561A (en) * | 2010-07-05 | 2010-11-17 | 苏州市百得医疗器械有限公司 | Skull traction frame |
| CN103932770A (en) * | 2014-03-10 | 2014-07-23 | 中国人民解放军第四军医大学 | Skull traction device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784813A (en) * | 2018-06-19 | 2018-11-13 | 潍坊护理职业学院 | It is a kind of can intelligent control negative pressure fasten correction type skull traction device |
| CN110786919A (en) * | 2019-08-28 | 2020-02-14 | 中南大学湘雅医院 | Adjustable universal type craniocerebral ring bow |
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Application publication date: 20180323 |