CN203328783U - Light cranium pelvis traction device - Google Patents
Light cranium pelvis traction device Download PDFInfo
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- CN203328783U CN203328783U CN2013203015014U CN201320301501U CN203328783U CN 203328783 U CN203328783 U CN 203328783U CN 2013203015014 U CN2013203015014 U CN 2013203015014U CN 201320301501 U CN201320301501 U CN 201320301501U CN 203328783 U CN203328783 U CN 203328783U
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- ring
- cranium
- screw
- light
- split ring
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Abstract
The utility model discloses a light cranium pelvis traction device which is composed of a cranium ring, a pelvis ring and supporting rods. The cranium ring is an arc belt-shaped split ring provided with symmetric straight handles. Every two through holes formed in the symmetric straight handle ends of the split ring are provided with a screw, wherein the two ends of each screw are provided with threads. The open end of the split ring is located through a nut. A pillow bow with an upper arc is connected to one straight handle portion, at the inner side of each screw, of the split ring. Four first connecting lugs are evenly distributed on the outer wall of the split ring, wherein each first connecting lug is provided with a through hole. Threaded holes evenly distributed in the arc wall of the split ring are respectively provided with a cranium nail. The pelvis ring is a sealed belt-shaped circular ring provided with an adjusting connector. Four second connecting lugs are evenly distributed on the ring wall of the sealed circular ring, wherein each second connecting lug is provided with a through hole. The crank type supporting rods enable the cranium ring and the pelvis ring to be mutually located through nuts respectively, wherein the two ends of each supporting rod are provided with threads. The light cranium pelvis traction device is reasonable in structure, light, practical, capable of being adjusted according to the height, the head shape and the pelvis shape of a patient in the spine malformation treatment process, strong in adaptability and convenient to install.
Description
Technical field
This utility model belongs to the medical apparatus and instruments for the treatment of deformity of spine, particularly a kind of light cranium basin traction apparatus.
Background technology
Spinal column is the main pillar of trunk, forms the rear wall in thoracic cavity and abdominal cavity.The breast section has rib to be adhered to, and dirtyly within splanchnocoel relies interdependently, is the passage of spinal nerves, by trunk is depended on, goes again.Therefore the deformation of spinal column due to any reason, all must recover its normal condition.
The treatment deformity of spine, be doctor's a difficult problem since ancient times, became one of orthopedics's important subject modern age.The treatment deformity of spine, just there is the fixation of reduced method He " lumbar " of " guessing ", " base brick " in China from ancient times.Its base therapy principle is identical with modern medicine, and modern medicine is that to continue to use the inner fixed laws such as various traction methods and the outer fixation such as brace vest, Gypsum Fibrosum and steel plate, screw, steel wire be main always.Just occurred over nearly 40 years that the cranium ring supports traction and waits external fixator material and technology.
Traditional traction method is pillow belt (Clisson ' s sling) suspension traction, the methods such as caliper skull traction of Roger Anderso and Crutch field, and its mechanism is all to depend on traction force that deformity of spine is improved; And all must lie in bed with rope hanging, from heavy sensation of the whole body, to do reverse drag.Spinal column is assembled and is formed by most bone pieces connections, have and stretch the function of bending and rotating, its strength of various suspension tractions all can not reach the purpose that deformity of spine is corrected, and therefore, seeks for many years the development key that more effective spinal column dragging fixture becomes spinal surgery.
Summary of the invention
The purpose of this utility model is to provide the traction apparatus of a kind of light cranium basin, and it is rational in infrastructure, light and handy practical, in the process for the treatment of deformity of spine, can be regulated according to the shape of patient's height, head dummy and pelvis, and strong adaptability, easy for installation.
The purpose of this utility model is achieved in that the traction apparatus of a kind of light cranium basin, by the cranium ring, pelvic ring and support bar form, the cranium ring is the banded split ring of circular arc with symmetrical staight shank, on the through hole arranged respectively at the straight handle end of split ring symmetry, the screwed screw rod in two ends is installed, make the opening location of split ring by nut, the staight shank place that is positioned at the inboard split ring of screw rod is connecting the pillow bow with upper circular arc, uniform first engaging lug with through hole that arranging on the outer wall of split ring, coordinate respectively in the screw of uniform setting the cranium nail is installed on the circular arc wall of split ring, pelvic ring is to have the banded annulus of the sealing of regulating joint, uniform second engaging lug with through hole that arranging on the ring wall of closed circle, the screwed crank type support bar in two ends respectively with cranium ring and pelvic ring first, the through hole of the second engaging lug matches, and locate by nut.
This utility model is lightweight, and gross weight only has the 1kg left and right, and the structure fineness is light and handy practical.Four crank throw shape support bars are in conjunction with personal shape, and the two ends of support bar are threaded, easy for installation, and stature is high, short can be used.
Cranium ring of the present utility model is split ring, by regulating the connecting length of split ring place connecting screw rod, according to the shape of head, is adjusted, and some heads are that anteroposterior diameter head large, that have is that the footpath, left and right is large, and the cranium ring can be adjusted, easy for installation, save time.
Basin ring of the present utility model has the adjusting joint, by regulating joint, makes the basin ring amplify and to dwindle, and is applicable to install on different big or small pelvises.Pelvis is oval, meets the human pelvis shape, convenient sleep after installing.
Basin ring of the present utility model and basin pin fixing in conjunction be modulated into powder ball with dental base acrylic resin powder, apply convenient and swiftly, saves time, saves money.And very firm.
Operating process of the present utility model is:
1. the cranium ring is a circular rings, divides large, medium and small No. three, can be slightly moulding according to patient's capitiform, make it to keep with head circumference the spacing of 5mm-10mm, and cross nearly easily generation compressing, cross far unstable.The thick 2mm of ring wall, the wide 17mm of ring wall, narrow mistake is thin firm not, bears incessantly support force, too generous empty gain in weight.While wearing the bed of circular cranium ring, occipitalia can not be direct pillow, must pillow with napex, therefore the occipitalia of cranium ring upwarps.
2. 4 screw bases are arranged on the cranium ring, on each seat, 3 screw holes are arranged, size and shape according to head, that selects 4 pieces of screws enters to follow closely hole, and the 1.5-2cm place, the slightly outer top of the first two nail Ying Mei of cranium ring is fixing, and latter two nail should be fixed at 1.5-2cm place, helix back upper place (being positioned at below the summary of maximum head diameter), the front and back diagonal crossed is for tightening screw, adjust the surrounding of cranium ring, itself and skin spacing are consistent, with stable, reliable after assurance screw screw-in skull.
3. 4 pieces of support bar engaging lugs are housed on the cranium ring, prepare to be connected with 4 support bars, highly strutted in order to regulate it every day.
4. 4 pieces of screws on the cranium ring, be fixed on the cranium ring on skull, and screw will enter in tissue, therefore must be stainless steel products.The long 60mm of screw, external thread diameter 6mm.The long 5mm of screw tip, nail tip base diameter 2mm.While being fixed in skull, only nail tip is thrust cortical bone, prevents from sliding on cortical bone, and the cranium ring is fixedly mutually to extrude and keep stable by 4 pieces of screws on skull, is not that the screw thread of screw enters in cortical bone, therefore without the worry that penetrates skull.
5. pelvic ring: pelvic ring is a circular rings, minutes large, medium and small No. three, and the thick 2mm of ring wall, the wide 17mm of ring wall, girth 970mm, girth has tunable arrangement, can be pressed into arbitrarily ellipse, with 4 pieces of bracing stick joints.The fixing means of basin pin and basin ring: first with finer wire, the basin pin is fixed on the basin ring, then fixes with bone cement or dental base acrylic resin powder embedding.This method is more convenient and reliable than basin needle lock, can replace the basin needle lock fully.
6. support bar: its length is divided large, medium and small No. three, the long 50-80cm of bar, the thick 6mm of bar, upper end reach 24cm, lower end reach 6cm.Upper end is through in the support bar fixing hole on the cranium ring, and above lower nut is held under the arm and fastened, and is used as to strut, and lower end is through in the support bar fixing hole on pelvic ring, and above lower nut is held under the arm and fastened.The patient that lateral bending is weighed, can, arbitrarily by the bar bending, adapt to the camber of spinal column.During installation, the line of force of 4 support bars should be agreed, and makes the cranium ring be positioned at horizontal position.
7. the homalocephalus osseous pin of basin pin: 3.5mm ~ 4.0mm diameter, length 30cm ~ 35cm, each two are standby.First use the guide pin (osseous pin with handle of same thickness, length 20cm) 3 ~ 5cm place more than anterior superior iliac spine, guide pin is driven in acanthopore to sclerotin, then adjust direction, direction towards posterior superior iliac spine is squeezed into gently with hand hammer, and the position, needle section gets final product in the inboard of posterior superior iliac spine or slightly biased posterior superior iliac spine, then changes osseous pin, direction according to guide pin is driven into, if the not good enough also capable of regulating of guide pin direction direction is driven into osseous pin.After the general pelvis technology of threading a needle is grasped, without using foresight, because foresight can not be correct instructs the inserting needle direction, skilled to grasp the technology of threading a needle be the successful key of threading a needle.
8. the connection method of basin ring and basin pin: in the past to the method for attachment of basin ring and basin pin, be to adopt the special device that is connected and fixed, use very inconvenient, difficulty and insecure is installed.Our method commonly used is now, and fixation with steel wire bone cement or dental base acrylic resin powder embedding are simple and effective fixing means.
This utility model is rational in infrastructure, light and handy practical, in the process for the treatment of deformity of spine, realized being regulated according to the shape of patient's height, head dummy and pelvis, and strong adaptability, easy for installation.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is further described, Fig. 1 is perspective view of the present utility model.
The specific embodiment
The traction apparatus of a kind of light cranium basin, as shown in Figure 1, by cranium ring 2, pelvic ring 3 and support bar 1 form, cranium ring 2 is the banded split ring of the circular arc with symmetrical staight shank, on the through hole arranged respectively at the straight handle end of split ring symmetry, the screwed screw rod 7 in two ends is installed, make the opening location of split ring by nut, the staight shank place that is positioned at screw rod 7 inboard split rings is connecting the pillow bow 4 with upper circular arc, uniform on the outer wall of split ring 4 the first engaging lugs 6 with through hole are being set, coordinate respectively in the screw of uniform setting cranium nail 5 is installed on the circular arc wall of split ring, pelvic ring 3 is for having the banded annulus of the sealing of regulating joint 9, uniform on the ring wall of closed circle 4 the second engaging lugs 8 with through hole are being set, the screwed crank type support bar 1 in two ends respectively with cranium ring 2 and pelvic ring 3 first, the second engaging lug 6, 8 through hole matches, and locate by nut.The screw of structure for consisting of rustless steel of cranium nail 5, the termination of screw is arranging the cone point.The structure of the adjusting joint 9 of pelvic ring is the uniform adjustment hole that arranging on the steel band of closed circle joint one end, and the screw of installing on the steel band of the closed circle head other end matches with adjustment hole, makes the interface end location of closed circle by nut.Cranium ring 2, pelvic ring 3 and support bar 1 form by aluminium alloy.Cranium nail 5 consists of stainless steel screw.
Claims (5)
1. light cranium basin traction apparatus, it is characterized in that: by cranium ring (2), pelvic ring (3) and support bar (1) form, cranium ring (2) is the banded split ring of the circular arc with symmetrical staight shank, on the through hole arranged respectively at the straight handle end of split ring symmetry, the screwed screw rods in two ends (7) are installed, make the opening location of split ring by nut, the staight shank place that is positioned at the inboard split ring of screw rod (7) is connecting the pillow bow (4) with upper circular arc, uniform 4 the first engaging lugs with through hole (6) that arranging on the outer wall of split ring, coordinate respectively cranium nail (5) is installed in the screw of uniform setting on the circular arc wall of split ring, pelvic ring (3) is the banded annulus of the sealing with adjusting joint (9), uniform 4 the second engaging lugs with through hole (8) that arranging on the ring wall of closed circle, the screwed crank type support bars in two ends (1) respectively with cranium ring (2) and pelvic ring (3) first, the second engaging lug (6, 8) through hole matches, and locate by nut.
2. a kind of light cranium basin according to claim 1 traction apparatus is characterized in that: the screw of the structure of cranium nail (5) for consisting of rustless steel, the termination of screw is arranging the cone point.
3. a kind of light cranium basin according to claim 1 traction apparatus, it is characterized in that: the structure of the adjusting joint (9) of pelvic ring is the uniform adjustment hole that arranging on the steel band of closed circle joint one end, the screw of installing on the steel band of the closed circle head other end matches with adjustment hole, makes the interface end location of closed circle by nut.
4. a kind of light cranium basin according to claim 1 traction apparatus is characterized in that: cranium ring (2), pelvic ring (3) and support bar (1) form by aluminium alloy.
5. a kind of light cranium basin according to claim 1 traction apparatus is characterized in that: cranium nail (5) consists of stainless steel screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203015014U CN203328783U (en) | 2013-05-29 | 2013-05-29 | Light cranium pelvis traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203015014U CN203328783U (en) | 2013-05-29 | 2013-05-29 | Light cranium pelvis traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203328783U true CN203328783U (en) | 2013-12-11 |
Family
ID=49697491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203015014U Expired - Fee Related CN203328783U (en) | 2013-05-29 | 2013-05-29 | Light cranium pelvis traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203328783U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932770B (en) * | 2014-03-10 | 2016-08-31 | 中国人民解放军第四军医大学 | A kind of skull traction device |
| GB2573000A (en) * | 2018-04-19 | 2019-10-23 | Metlase Ltd | External Fixator |
| CN113069260A (en) * | 2021-03-26 | 2021-07-06 | 王孝宾 | Skull pelvic ring convenient to operation |
-
2013
- 2013-05-29 CN CN2013203015014U patent/CN203328783U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103932770B (en) * | 2014-03-10 | 2016-08-31 | 中国人民解放军第四军医大学 | A kind of skull traction device |
| GB2573000A (en) * | 2018-04-19 | 2019-10-23 | Metlase Ltd | External Fixator |
| GB2573000B (en) * | 2018-04-19 | 2020-04-15 | Metlase Ltd | External Fixator |
| CN113069260A (en) * | 2021-03-26 | 2021-07-06 | 王孝宾 | Skull pelvic ring convenient to operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20150529 |
|
| EXPY | Termination of patent right or utility model |