CN2300379Y - Slot type pelvis reduction external fixator - Google Patents
Slot type pelvis reduction external fixator Download PDFInfo
- Publication number
- CN2300379Y CN2300379Y CN 97214825 CN97214825U CN2300379Y CN 2300379 Y CN2300379 Y CN 2300379Y CN 97214825 CN97214825 CN 97214825 CN 97214825 U CN97214825 U CN 97214825U CN 2300379 Y CN2300379 Y CN 2300379Y
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- hole
- purl
- screw
- shape
- cross bar
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- Expired - Fee Related
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Abstract
The utility model discloses a slot type pelvis reduction external fixator. The utility model is characterized in that a slot-shaped supporting frame is used as a main body in the overall structure of the fixator; two adjustable sliding bars are inserted into a slot-shaped transverse rod and two slot-shaped sides; the middle part of the transverse rod of the slot-shaped supporting frame is movably connected in an overlapping type; the overlapping position is provided with an annular sliding slot whose inner part is provided with a T-shaped sliding block used for fixing the transverse rod; the sliding distance of the transverse rod is fixed by the T-shaped sliding block; both ends of the transverse rod are fixed with adjustable edges; each of the adjustable edges is composed of a connecting frame and a lock needle frame which is composed of a lock needle pin and screws. The position of the pelvic fracture can be regulated from different angles to be suitable for the best fixing position.
Description
This utility model relates to reduction of the fracture surgical instruments, particularly a kind of slot type external pelvis-repositioning fixer.
At present, use external pelvis-repositioning fixer in medical circle, the treatment fracture of pelvis has been played stable effect, these external pelvis-repositioning fixers have following several structure.
1. ladder frame fixer structure, the middle horizontal bar that has spiral, the horizontal bar sideband has the pressurization indicator, first cross bar of ladder frame is stressed fulcrum, second cross bar that has indicator is the force, plus-pressure is communicated to sacroiliac joint and rumpbone by the both sides vertical pole with active force, secondly is ring before the pelvis.
2. square fixed rack structure, form by 4 aluminium-alloy pipes, wherein one has the pipe of screw thread anyway, the Kirschner wire tail that the bottom of 2 longitudinal tubule (L tubule)s and both sides ilium have penetrated, be connected with the spherical joint holder, the top of longitudinal tubule (L tubule) is connected with the support fastener with first transverse tube, and second transverse tube has positive left-hand thread, first the pipe with ilium between is connected with two longitudinal tubule (L tubule)s, regulate second transverse tube to fracture of pelvis have the pressurization or the separation fixation.
3. tripod fixed structure has right-and-left threaded transverse tube with two longitudinal tubule (L tubule)s and one, and the bottom of two longitudinal tubule (L tubule)s connects the Kirschner wire of ilium, and transverse tube is connected in the middle of two longitudinal tubule (L tubule)s, and holder becomes 70 ° of angles downwards with trunk.
The shortcoming of above pelvis-repositioning holder is: though confirm that from biomechanics external fixator has enough bed knifes, be difficult to keep and reset and resist health gravity, also should not emphasize too early following ground activity to the patient.
The purpose of this utility model is the shortcoming that overcomes above-mentioned pelvis external fixator, and a kind of slot type external pelvis-repositioning fixer is provided.
The technical solution of the utility model is finished like this.
A kind of slot type external pelvis-repositioning fixer is characterized in that: the overall structure of holder has a through hole based on troffer on the both sides, cross bar side of flute profile, inserts adjustable slide bar; Adjustable slide bar is tubular, one end has with slide bar and is 90 ° of angles, locking-type plug with flute profile cross bar both sides jack coupling, the other end vertically has female thread, and with the vertically outer half-thread screw rod coupling of movable plug, movable plug is that a T shape plug radially has through hole, penetrate the screw rod of band half-thread in the through hole, screw flight screws in hold-down nut, and movable plug is flexibly connected, and the nut point is welded on the screw rod; Bridging type flexibly connects in the middle of the cross bar of troffer, the place of coinciding at overlap joint is provided with annular groove, the T shape slide block of fixed transverse rod is housed in the chute, be provided with internal thread through hole in the middle of the T shape slide block, after being provided with externally threaded slide block set bolt band upper gasket, screw in the sliding distance of T shape slide block fixed transverse rod; The two ends of cross bar have boss, and boss side surfaces has through hole, and through hole inserts two adjustable limits of cross bar flute profile, and adjustable limit is to be configured to by link and purl; The link one side structure that takes the shape of the letter U, U-shaped structure both sides have through hole, the U-shaped opening is inserted the boss at cross bar two ends, make through hole relative, pass through hole with bolt, screw in the wherein set female thread of a side and fixedly connected 's required angle of U-shaped structure, the U-shaped structural base is provided with elastic opening, have boss in the middle of the link, the side of boss is provided with through hole, through hole is built-in with the eccentric shaft pin rod, and the eccentric shaft pin rod is bolt shape, inserts the opposite side of boss, be locked in concave station internal fixation pin rod set on the eccentric shaft pin rod with circlip, eccentric shaft pin-and-hole and eccentric shaft pin rod hole vertical direction, the blind hole that link is provided with below is tangent, and blind hole is inserted the rotating shaft of purl frame, pins the rotating shaft of purl frame when the eccentric shaft pin rod rotates; The purl frame is provided with rotating shaft ringwise in the middle of the annular upside, annular inboard is the slideway of purl cover, and the purl silk is housed in the slideway; The purl silk is to be made of T shape purl pin and screw, purl pin T shape bottom is provided with the through hole of female thread, and the purl pin inserts the slideway of purl cover, purl pin internal thread through hole vertical direction, medicated cap portion near T shape is drilled with through hole insertion spicule, is inserted in back-up ring screw-in purl lock with screw with external thread and lives spicule; Side at the both sides link also is provided with through hole, inserts adjustable slide bar in the through hole, and the adjustable Slide bar structure of the structure of adjustable slide bar and cross bar is consistent; All securing members that need screw in all have the interior fastening screw socket of hexagonal.
Characteristics of the present utility model are to the fracture of pelvis position, can implement the adjusting of all angles, make its suitable optimal fixation point, pressures partially one is long and the other is short two the pressurization sliding bar mechanisms, pressurization can be adjusted simultaneously, fracture face stress concentration phenomenon can be avoided by mutually adjusting.What overcome triangle, trapezoidal, the square external fixator that resets is difficult to keep the shortcoming that resets and resist health gravity, and the patient can ground be movable down ahead of time, accelerates the recovery of body function.
Fig. 1 is a slot type external pelvis-repositioning fixer structural representation.
Fig. 2 is a slot type external pelvis-repositioning fixer groove-shaped frame structural front view.
Fig. 3 is a slot type external pelvis-repositioning fixer groove-shaped frame structure vertical view.
Fig. 4 is a slot type external pelvis-repositioning fixer Slide bar structure sketch map.
Fig. 5 is a slot type external pelvis-repositioning fixer groove-shaped frame structure side view.
Embodiment
Embodiment of the present utility model is the (see figure 1) of implementing like this.The overall structure of holder has a through hole 14 based on troffer on the both sides, cross bar 21 side of flute profile, inserts adjustable slide bar 3; Adjustable slide bar is tubular, one end has with slide bar and is 90 ° of angles, locking-type plug 20 (see figure 3)s with flute profile cross bar both sides jack coupling, the other end vertically has female thread, and with movable plug 6 vertically outer half-thread screw rod 23 couplings, movable plug 6 is that a T shape plug radially has through hole, penetrate the screw rod 23 of band half-thread in the through hole, screw flight screws in hold-down nut 5, and movable plug is flexibly connected, and the nut point is welded on the screw rod; Flexibly connect (seeing Fig. 1,2,3) for bridging type in the middle of the cross bar of troffer, the place of coinciding at overlap joint is provided with annular groove 24, the T shape slide block 4 of fixed transverse rod is housed in the chute, be provided with internal thread through hole in the middle of the T shape slide block, be provided with externally threaded slide block set bolt 18 band upper gaskets 16 back (see figure 3)s, screw in the sliding distance of T shape slide block 4 fixed transverse rods 21; The two ends of cross bar have boss 26, and boss 26 sides have through hole, and through hole inserts two adjustable limits of cross bar flute profile, and adjustable limit is to constitute (see figure 5) by link 7 and purl frame 9; The link 7 one sides structure that takes the shape of the letter U, U-shaped structure both sides have through hole, the U-shaped opening is inserted the boss 26 at cross bar 21 two ends, make through hole relative, pass through hole with bolt 2, screw in the wherein set female thread of a side of U-shaped structure, and fixedly connected 7 required angle, the U-shaped structural base is provided with elastic opening 27, have boss in the middle of the link 7, the side of boss is provided with through hole 28 (see figure 2)s, and through hole 28 is built-in with eccentric shaft pin rod 1, eccentric shaft pin rod 1 is bolt shape, inserted the opposite side of boss, be locked in concave station internal fixation pin rod set on the eccentric shaft pin rod 1, eccentric shaft pin-and-hole and eccentric shaft pin rod hole vertical direction with circlip, the blind hole that link is provided with below is tangent, blind hole is inserted the rotating shaft of purl frame, pins 9 rotating shafts of purl frame when the eccentric shaft pin rod rotates; Purl frame 9 is provided with rotating shaft ringwise in the middle of the annular upside, annular inboard is the slideway of purl cover, and purl silk 22 (see figure 5)s are housed in the slideway; Purl silk 22 is to constitute (seeing Fig. 1,2) by T shape purl pin 8 and screw 11, purl pin T shape bottom is provided with the through hole of female thread, the purl pin inserts the slideway of purl cover, purl pin internal thread through hole vertical direction, medicated cap portion near T shape is drilled with through hole 13 insertion spicules 12 (seeing Fig. 1,5), is inserted in back-up ring 10 screw-in purl locks with screw with external thread and lives spicule 12; Side at the both sides link also is provided with through hole, inserts adjustable slide bar 3 (seeing Fig. 1,4) in the through hole, and the adjustable Slide bar structure of the structure of adjustable slide bar and cross bar is consistent; All securing members that need screw in all have the interior fastening screw socket of hexagonal.
Claims (1)
1. slot type external pelvis-repositioning fixer, it is characterized in that: the overall structure of holder has a through hole based on troffer on the both sides, cross bar side of flute profile, inserts adjustable slide bar; Adjustable slide bar is tubular, one end has with slide bar and is 90 ° of angles, locking-type plug with flute profile cross bar both sides jack coupling, the other end vertically has female thread, and with the vertically outer half-thread screw rod coupling of movable plug, movable plug is that a T shape plug radially has through hole, penetrate the screw rod of band half-thread in the through hole, screw flight screws in hold-down nut, and movable plug is flexibly connected, and the nut point is welded on the screw rod; Bridging type flexibly connects in the middle of the cross bar of troffer, the place of coinciding at overlap joint is provided with annular groove, the T shape slide block of fixed transverse rod is housed in the chute, be provided with internal thread through hole in the middle of the T shape slide block, after being provided with externally threaded slide block set bolt band upper gasket, screw in the sliding distance of T shape slide block fixed transverse rod; The two ends of cross bar have boss, and boss side surfaces has through hole, and through hole inserts two adjustable limits of cross bar flute profile, and adjustable limit is to be configured to by link and purl; The link one side structure that takes the shape of the letter U, U-shaped structure both sides have through hole, the U-shaped opening is inserted the boss at cross bar two ends, make through hole relative, pass through hole with bolt, screw in the wherein set female thread of a side and fixedly connected 's required angle of U-shaped structure, the U-shaped structural base is provided with elastic opening, have boss in the middle of the link, the side of boss is provided with through hole, through hole is built-in with the eccentric shaft pin rod, and the eccentric shaft pin rod is bolt shape, inserts the opposite side of boss, be locked in concave station internal fixation pin rod set on the eccentric shaft pin rod with circlip, eccentric shaft pin-and-hole and eccentric shaft pin rod hole vertical direction, the blind hole that link is provided with below is tangent, and blind hole is inserted the rotating shaft of purl frame, pins the rotating shaft of purl frame when the eccentric shaft pin rod rotates; The purl frame is provided with rotating shaft ringwise in the middle of the annular upside, annular inboard is the slideway of purl cover, and the purl silk is housed in the slideway; The purl silk is to be made of T shape purl pin and screw, purl pin T shape bottom is provided with the through hole of female thread, and the purl pin inserts the slideway of purl cover, purl pin internal thread through hole vertical direction, medicated cap portion near T shape is drilled with through hole insertion spicule, is inserted in back-up ring screw-in purl lock with screw with external thread and lives spicule; Side at the both sides link also is provided with through hole, inserts adjustable slide bar in the through hole, and the adjustable Slide bar structure of the structure of adjustable slide bar and cross bar is consistent; All securing members that need screw in all have the interior fastening screw socket of hexagonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97214825 CN2300379Y (en) | 1997-04-30 | 1997-04-30 | Slot type pelvis reduction external fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97214825 CN2300379Y (en) | 1997-04-30 | 1997-04-30 | Slot type pelvis reduction external fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2300379Y true CN2300379Y (en) | 1998-12-16 |
Family
ID=33932161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97214825 Expired - Fee Related CN2300379Y (en) | 1997-04-30 | 1997-04-30 | Slot type pelvis reduction external fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2300379Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785692B (en) * | 2010-01-28 | 2011-08-17 | 贾恩鹏 | Adjustable pelvic fracture external fixator |
| CN101791242B (en) * | 2008-09-05 | 2011-08-24 | 北京纳通投资有限公司 | Sacrum spreader |
| CN101441069B (en) * | 2007-11-19 | 2012-05-30 | 施耐德电器工业公司 | General purpose type measuring apparatus and positioning mechanism thereof |
-
1997
- 1997-04-30 CN CN 97214825 patent/CN2300379Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441069B (en) * | 2007-11-19 | 2012-05-30 | 施耐德电器工业公司 | General purpose type measuring apparatus and positioning mechanism thereof |
| CN101791242B (en) * | 2008-09-05 | 2011-08-24 | 北京纳通投资有限公司 | Sacrum spreader |
| CN101785692B (en) * | 2010-01-28 | 2011-08-17 | 贾恩鹏 | Adjustable pelvic fracture external fixator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |