CN202920320U - Bone fracture repositor - Google Patents
Bone fracture repositor Download PDFInfo
- Publication number
- CN202920320U CN202920320U CN 201220609241 CN201220609241U CN202920320U CN 202920320 U CN202920320 U CN 202920320U CN 201220609241 CN201220609241 CN 201220609241 CN 201220609241 U CN201220609241 U CN 201220609241U CN 202920320 U CN202920320 U CN 202920320U
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- silk
- hole
- adjusting device
- snib
- screw
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Abstract
The utility model provides a bone fracture repositor, relating to the field of medical apparatus and instruments. The repositor comprises a spacing adjustment screw rod, a left adjusting device and a right adjusting device which are symmetrical to each other; the middle part of a rod body of the spacing adjustment screw rod is provided with a screwing portion, the tips of the two ends of the spacing adjustment screw rod are respectively provided with locating nuts, and the left adjusting device and the right adjusting device are respectively screwed on the rod body of the spacing adjustment screw rod between the locating nuts at the two ends and the screwing portion; and reset nails are respectively mounted on the left adjusting device and the right adjusting device. The repositor has the advantages that not only can malposed limb bones of human limbs caused by bone fracture be repositioned, but also the injury to the soft tissue or nerve of a patient during reposition can be effectively avoided, and meanwhile, a relatively-large wound cannot be generated and a relatively-high surgery cost for the patient cannot be caused.
Description
[technical field]
This utility model relates to medical instruments field, especially relates to a kind of fracture reposition instrument for the extremity fracture place is resetted.
[background technology]
Known, extremity fracture belongs to a kind of clinical common injury of human, present fracture reduction adopts basically is two kinds of manual alignment and open reductions, wherein manual alignment refers to fully by the drawing of extraneous manpower, the bone of fracture dislocation to be resetted, and open reduction refers to by inner fixing operation, the bone of fracture be resetted; But find in prolonged application, because manual alignment not only can cause suffering to the patient, but also the soft tissue or the nerve that are associated with fracture in patient body are sustained damage, even can cause because of operate miss patient's fracture can not recover all the life when serious; On the other hand, it is large that open reduction has wound, long incision, and the high deficiency of expense simultaneously because open reduction need to extensively be peeled off soft tissue and periosteum, in the cycle that this has just extended the healing of patient's fracture accordingly, has been brought inconvenience to the patient.
[summary of the invention]
In order to overcome the deficiency in background technology, this utility model discloses a kind of fracture reposition instrument, described positor not only can reset because of the limb bone that fracture misplaces to human limb, and can also effectively avoid in reseting procedure damage patient's soft tissue or nerve, can not produce larger wound yet and bring larger surgery cost to the patient simultaneously.
For achieving the above object, this utility model adopts following technical scheme:
A kind of fracture reposition instrument, described positor comprise spacing adjusting screw(rod) and symmetrical left adjusting device and right adjusting device; Described spacing adjusting screw(rod) shaft middle part is provided with the section of screwing, be positioned at the shaft that screws the section both sides and be respectively equipped with outer left hand thread and outer right-handed thread, termination, two ends at the spacing adjusting screw(rod) is respectively arranged with setscrew nut, and the spacing adjusting screw(rod) is connected to left adjusting device and right adjusting device by outer left hand thread and outer right-handed thread silk respectively at two ends setscrew nut and the shaft that screws between section; Described left adjusting device and right adjusting device all are equipped with the nail that resets.
Described fracture reposition instrument, described spacing adjusting screw(rod) comprise thick screwed pipe, screw section and micro screw; The pore of described thick screwed pipe and micro screw diameter are supporting; The described section of screwing is provided with a hole, and half internal diameter of this hole is made as the small-bore of the outer silk of corresponding micro screw, and second half internal diameter is made as the large aperture of the outer silk of corresponding thick screwed pipe, and the internal thread of this small-bore, hole and wide-aperture internal thread are made as anti-silk; Described micro screw connects with the small-bore silk that screws section, and thick screwed pipe connects with the large aperture silk that screws section, and passes in the thick screwed pipe pore that connects with the section silk of screwing with micro screw that the section silk of screwing connects.
Described fracture reposition instrument, described left adjusting device or right adjusting device all comprise adapter sleeve, interior fiber tube, column and nail card device; Described adapter sleeve and interior fiber tube all connect with the shaft silk of corresponding spacing adjusting screw(rod), and adapter sleeve is positioned near the position that screws section; One end middle part of adapter sleeve be provided with one with the joint of internal thread pipe socket, this joint diameter is corresponding with the internal diameter of interior fiber tube corresponding end, radially a week is provided with a concave ring groove in the middle part of joint, the while is established a pin-and-hole vertically at the joint end face; The position of described interior fiber tube one side pipe wall corresponding joints concave ring groove is provided with a bolt hole, and this bolt hole hole internal thread is connected to for the axially movable radially caging bolt of control connection cover; The internal thread tube wall is provided with the through hole that card is put alignment pin vertically, and interior fiber tube opposite side tube wall is provided with a Pear-Shaped slotted hole that passes in through hole, the internal diameter two ends of this slotted hole all can be used for controlling the axially movable axial limiting bolt of alignment pin silk and connect; The pin-and-hole with joint is corresponding vertically for described alignment pin one end, and the other end connects with the corresponding silk of the synchronous axial limiting bolt that rotates of fiber tube with the control connection cover that is used for that is positioned at through hole;
Described column shaft bottom is provided with outer silk, and the end face of silk end is provided with first group of tooth engaged outside, and the column shaft is provided with oblong aperture vertically, and the column shaft in aperture, corresponding oblong aperture two ends is the plane; The outer silk end of column connects with internal diameter one terminal filament of an interlock cover, and the internal diameter other end of interlock cover is connected with upright post base; The end end face that described upright post base is positioned at the interlock cover is provided with second group of tooth engaged, this group tooth engaged can with first group of tooth engaged corresponding interlock in the interlock cover of the outer silk end of column, upright post base is provided with axle center hole, is mounted with in this axle center hole for upright post base being reached the base gim peg that is fixed on the adapter sleeve outer wall with the interlock cover of its clamping;
Described nail card device comprises nail card, snib and nail card coupling bar; Described nail card comprises outer plate and interior plate, and the corresponding surface of two boards piece one side is provided with the draw-in groove for the fastening nail that resets, and two boards piece opposite side connects by fastening bolt; Described interior mid-plate is provided with screw, and the bottom surface of interior plate is provided with the 3rd group of tooth engaged; Described snib is provided with mesopore, and an end end face of snib is provided with the 4th group of tooth engaged, this group tooth engaged can with the 3rd group of corresponding interlock of tooth engaged of interior plate bottom surface; The other end of snib is provided with outer silk, and outside being somebody's turn to do, silk connects with the fastening circumfili of snib after holding the oblong aperture of passing snib locating ring and column; Described nail card coupling bar one end diameter is greater than the annular distance diameter of snib dead ring, and the other end connects with the screw silk of interior plate after passing the mesopore of snib.
Owing to adopting technical scheme as above, the utlity model has following beneficial effect:
fracture reposition instrument described in the utility model not only can carry out the reduction of the fracture and carry out keeping steady statue before fracture fixation the limb bone of human limb because of the fracture dislocation, for the reduction of the fracture in art provides temporary fixed help, and can also need squeeze in the reduction of the fracture operating process of following closely that resets at all and effectively avoid patient's soft tissue or nerve to sustain damage, simultaneously, described positor can also be finely tuned the bone position at fracture two ends flexibly and effectively, thereby reached the purpose that can not make fracture patient produce larger wound, and then reduced expense for the patient accordingly.
[description of drawings]
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is decomposing schematic representation of the present utility model.
In figure: 1, spacing adjusting screw(rod); 2, left adjusting device; 3, right adjusting device; 4, screw section; 5, the nail that resets; 6, adapter sleeve; 7, interior fiber tube; 8, column; 9, joint; 10, concave ring groove; 11, caging bolt radially; 12, slotted hole; 13, axial limiting bolt; 14, alignment pin; 15, oblong aperture; 16, interlock cover; 17, upright post base; 18, base gim peg; 19, snib; 20, nail card coupling bar; 21, outer plate; 22, interior plate; 23, screw; 24, draw-in groove; 25, fastening bolt; 26, snib locating ring; 27, snib dead ring; 28, setscrew nut.
[specific embodiment]
Can explain in more detail the present invention by the following examples, open the purpose of this utility model is intended to protect all changes and improvements in this utility model scope, and this utility model is not limited to the following examples;
1～2 described a kind of fracture reposition instrument by reference to the accompanying drawings, described positor comprise spacing adjusting screw(rod) 1 and symmetrical left adjusting device 2 and right adjusting device 3, and namely the left and right adjusting device is symmetrical structure each other; Be provided with the section of screwing 4 in the middle part of described spacing adjusting screw(rod) 1 shaft, spacing adjusting screw(rod) 1 shaft that is positioned at the section of screwing 4 both sides is respectively equipped with outer left hand thread and outer right-handed thread, namely just can reach the spacing increasing that makes between the left and right adjusting device at spacing adjusting screw(rod) 1 two ends or the purpose that reduces by the section that screws 4 that manually screws spacing adjusting screw(rod) 1; Termination, two ends at spacing adjusting screw(rod) 1 is respectively arranged with setscrew nut 28, and spacing adjusting screw(rod) 1 is connected to left adjusting device 2 and right adjusting device 3 by outer left hand thread and outer right-handed thread silk respectively at two ends setscrew nut 28 and the shaft that screws between section 4, has namely guaranteed that by setscrew nut 28 the left and right adjusting device all can not come off by the end of spacing adjusting screw(rod) 1; Described left adjusting device 2 and right adjusting device 3 all are equipped with the nail 5 that resets, being described positor adjusts spacing between the left and right adjusting device flexibly by spacing lever 1, and then the resetting nail on the left and right adjusting device 5 is squeezed into respectively the two ends of fracture, thereby reach the purpose that the bone that relies on the left and right adjusting device to adjust to reset nail 5 and drive fracture two ends carries out parking position accuracy;
Described spacing adjusting screw(rod) 1 comprises thick screwed pipe, screws section 4 and micro screw; The pore of described thick screwed pipe and micro screw diameter are supporting, namely can micro screw be penetrated to thick screwed pipe easily; The described section 4 that screws is provided with a hole, half internal diameter of this hole is made as the small-bore of the outer silk of corresponding micro screw, second half internal diameter is made as the large aperture of the outer silk of corresponding thick screwed pipe, and the internal thread of this small-bore, hole and wide-aperture internal thread are made as anti-silk, thereby have reached the simultaneously fastening purpose in two ends that makes the section of screwing 4; Described micro screw connects with the small-bore silk that screws section 4, thick screwed pipe connects with the large aperture silk that screws section 4, and pass in the thick screwed pipe pore that connects with 4, the section of screwing with the section of screwing 4 micro screws that connect, namely when rotation screws section 4, micro screw is moved in the pore of thick screwed pipe smoothly, thereby reached the purpose of spacing adjusting screw(rod) 1 go-and-retum distance;
Described left adjusting device 2 or right adjusting device 3 all include adapter sleeve 6, interior fiber tube 7, column 8 and nail card device; Described adapter sleeve 6 and interior fiber tube 7 all connect with the shaft silk of corresponding spacing adjusting screw(rod) 1, and adapter sleeve 6 is positioned at the position that screws section 4 near spacing adjusting screw(rod) 1, and namely the left and right adjusting device divides and is listed in two side positions that screw section 4 on spacing adjusting screw(rod) 1; One end middle part of adapter sleeve 6 be provided with one with the joint 9 of interior fiber tube 7 sockets, these joint 9 diameters are identical with the internal diameter of interior fiber tube 7 corresponding end, thus convenient joint 9 is inserted in the internal diameter of fiber tube 7 respective end, adapter sleeve 6 and interior fiber tube 7 are linked together; Radially be provided with a concave ring groove 10 week at joint 9 middle parts, establish vertically a pin-and-hole at the end face of joint 9 simultaneously; The position of described interior fiber tube 7 one side pipe wall corresponding joints 9 concave ring grooves 10 is provided with a bolt hole, this bolt hole hole internal thread is connected to for control connection cover 6 axially movable radially caging bolts 11, namely radially caging bolt 11 after fastening, the adapter sleeve 6 that is connected with interior fiber tube 7 can only relatively rotate with interior fiber tube 7, thereby realizes axial location;
Described column 8 shaft bottoms are provided with outer silk, and the end face that silk is held at it outside is provided with first group of tooth engaged, and column 8 shafts are provided with oblong aperture 15 vertically, and column 8 shafts in corresponding oblong aperture 15 apertures, two ends are the plane; The outer silk end of column 8 connects with internal diameter one terminal filament of an interlock cover 16, the internal diameter other end of interlock cover 16 is connected with an end of upright post base 17, and column base 17 is positioned at this end end face of interlock cover 16 and is provided with second group of tooth engaged, this group tooth engaged can be overlapped 16 interior corresponding interlocks in interlock with first group of tooth engaged of the outer silk end of column 8, namely when the outer silk end of column 8 overlaps 16 corresponding tightening with interlock, column 8 closely is interlocked with upright post base 17, the upright post base 17 of this moment can drive column 8 synchronizing movings, otherwise column 8 is moved separately; The axle center of described upright post base 17 arranges an axle center hole, be mounted with in axle center hole for upright post base 17 being reached the base gim peg 18 that is fixed on adapter sleeve 6 outer walls with the interlock cover 16 of its clamping, also be installed in accordingly on adapter sleeve 6 thereby make with 16 columns that connect 8 of interlock cover, reached and make the column 8 can be with the movable purpose of adapter sleeve 6;
Described nail card device comprises nail card, snib 19, snib locating ring 26, snib dead ring 27 and nail card coupling bar 20; Described nail card comprises outer plate 21 and interior plate 22, the corresponding surface of two boards piece one side is provided with the draw-in groove 23 for the fastening nail 5 that resets, two boards piece opposite side connects by fastening bolt 25, be two boards piece when being tightened together by fastening bolt 25, the draw-in groove 23 on the corresponding surface of its contact can be with the firmly chucking of nail 5 that resets; Described interior plate 22 middle parts are provided with screw, and the bottom surface of interior plate 22 is provided with the 3rd group of tooth engaged; Described snib 19 is provided with mesopore, and an end end face of snib 19 is provided with the 4th group of tooth engaged, this group tooth engaged can with the 3rd group of corresponding interlock of tooth engaged of interior plate 22 bottom surfaces; The other end of snib 19 is provided with outer silk, and after should outer silk end passing the oblong aperture 15 of snib locating ring 26 and column 8 and 27 of snib dead rings connect, be that snib 19 is fixed on the relevant position of column 8 oblong aperture 15 by the clamping power of snib locating ring 26 and snib dead ring 27, and only need become flexible snib dead ring 27 and just can adjust the high and low position of snib 19; Described nail card coupling bar 20 1 end diameters are greater than the annular distance diameter of snib dead ring 27, the other end connects with 23 of the screws of interior plate 22 after the mesopore that passes snib 19, namely block coupling bar 20 by nail the tooth engaged of interior plate 22 bottom surfaces and the tooth engaged on snib 19 closely are interlocked, make thereby reached the purpose that the nail card is firm and snib 19 links together.
Implement fracture reposition instrument described in the utility model, only need the nail that resets at described positor two ends is hammered into respectively the bone two ends of fracture, then adjust respectively the left and right adjusting device according to the practical situation of fracture, namely drive corresponding bone according to practical situation vertically or move radially to correct position by the left and right adjusting device, thereby reach, the bone correspondence at fracture two ends is resetted or fixing purpose.
This utility model does not describe part in detail for prior art, therefore this utility model is not described in detail.
Claims (3)
1. fracture reposition instrument is characterized in that: described positor comprises spacing adjusting screw(rod) (1) and symmetrical left adjusting device (2) and right adjusting device (3); Described spacing adjusting screw(rod) (1) shaft middle part is provided with the section of screwing (4), the shaft that is positioned at the section of screwing (4) both sides is respectively equipped with outer left hand thread and outer right-handed thread, be respectively arranged with setscrew nut (28) in the termination, two ends of spacing adjusting screw(rod) (1), and spacing adjusting screw(rod) (1) is positioned at two ends setscrew nut (28) and the shaft that screws between section (4) is connected to left adjusting device (2) and right adjusting device (3) by outer left hand thread and outer right-handed thread silk respectively; Described left adjusting device (2) and right adjusting device (3) all are equipped with the nail (5) that resets.
2. fracture reposition instrument according to claim 1 is characterized in that: described spacing adjusting screw(rod) (1) comprises thick screwed pipe, screw section (4) and micro screw; The pore of described thick screwed pipe and micro screw diameter are supporting; The described section (4) that screws is provided with a hole, and half internal diameter of this hole is made as the small-bore of the outer silk of corresponding micro screw, and second half internal diameter is made as the large aperture of the outer silk of corresponding thick screwed pipe, and the internal thread of this small-bore, hole and wide-aperture internal thread are made as anti-silk; Described micro screw connects with the small-bore silk that screws section (4), and thick screwed pipe connects with the large aperture silk that screws section (4), and passes in the thick screwed pipe pore that connects with the section of screwing (4) silk with a micro screw that the section of screwing (4) silk connects.
3. fracture reposition instrument according to claim 1 is characterized in that: described left adjusting device (2) or right adjusting device (3) all comprise adapter sleeve (6), interior fiber tube (7), column (8) and nail card device; Described adapter sleeve (6) and interior fiber tube (7) all connect with the shaft silk of corresponding spacing adjusting screw(rod) (1), and adapter sleeve (6) is positioned near the position that screws section (4); One end middle part of adapter sleeve (6) be provided with one with the joint (9) of interior fiber tube (7) socket, this joint (9) diameter is corresponding with the internal diameter of interior fiber tube (7) corresponding end, radially be provided with a concave ring groove (10) week in the middle part of joint (9), establish vertically a pin-and-hole at joint (9) end face simultaneously; The position of described interior fiber tube (7) one side pipe wall corresponding joints (9) concave ring grooves (10) is provided with a bolt hole, and this bolt hole hole internal thread is connected to for the axially movable radially caging bolt of control connection cover (6) (11); Interior fiber tube (7) tube wall is provided with the through hole that card is put alignment pin (14) vertically, interior fiber tube (7) opposite side tube wall is provided with a Pear-Shaped slotted hole (12) that passes in through hole, the internal diameter two ends of this slotted hole (12) all can be used for controlling the axially movable axial limiting bolt of alignment pin (14) silk and connect (13); The pin-and-hole with joint (9) is corresponding vertically for described alignment pin (14) one ends, and the other end connects with the corresponding silk of the synchronous axial limiting bolt (13) that rotates of fiber tube (7) with the control connection cover (6) that is used for that is positioned at through hole;
Described column (8) shaft bottom is provided with outer silk, the end face of silk end is provided with first group of tooth engaged outside, column (8) shaft is provided with the oblong aperture (15) for the pilot nail card device vertically, and column (8) shaft in corresponding oblong aperture (15) aperture, two ends is the plane; The outer silk end of column (8) connects with internal diameter one terminal filament of an interlock cover (16), and the internal diameter other end of interlock cover (16) is connected with upright post base (17); The end end face that described upright post base (17) is positioned at interlock cover (16) is provided with second group of tooth engaged, this group tooth engaged can with first group of tooth engaged corresponding interlock in interlock cover (16) of the outer silk end of column (8), upright post base (17) is provided with axle center hole, is mounted with in this axle center hole for upright post base (17) being reached the base gim peg (18) that is fixed on adapter sleeve (6) outer wall with the interlock cover (16) of its clamping;
Described nail card device comprises nail card, snib (19) and nail card coupling bar (20); Described nail card comprises outer plate (21) and interior plate (22), and the corresponding surface of two boards piece one side is provided with the draw-in groove (24) for fastening nail (5) that reset, and two boards piece opposite side connects by fastening bolt (25); Described interior plate (22) middle part is provided with screw (23), and the bottom surface of interior plate (22) is provided with the 3rd group of tooth engaged; Described snib (19) is provided with mesopore, and an end end face of snib (19) is provided with the 4th group of tooth engaged, this group tooth engaged can with the 3rd group of corresponding interlock of tooth engaged of interior plate (22) bottom surface; The other end of snib (19) is provided with outer silk, and after should outer silk end passing the oblong aperture (15) of snib locating ring (26) and column (8) and snib dead ring (27) thread connect; Described nail card coupling bar (20) one end diameters are greater than the annular distance diameter of snib dead ring (27), and the other end connects with screw (23) silk of interior plate (22) after the mesopore that passes snib (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609241 CN202920320U (en) | 2012-11-19 | 2012-11-19 | Bone fracture repositor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220609241 CN202920320U (en) | 2012-11-19 | 2012-11-19 | Bone fracture repositor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202920320U true CN202920320U (en) | 2013-05-08 |
Family
ID=48210314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220609241 Expired - Fee Related CN202920320U (en) | 2012-11-19 | 2012-11-19 | Bone fracture repositor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202920320U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976783A (en) * | 2014-05-28 | 2014-08-13 | 天津天好医疗器械有限公司 | Disposable fracture traction repositor |
| CN106725659A (en) * | 2017-01-11 | 2017-05-31 | 中国人民解放军总医院 | A kind of reverse thread distraction reduction device |
| CN113100901A (en) * | 2021-04-14 | 2021-07-13 | 中南大学湘雅医院 | Bone fracture repositor |
-
2012
- 2012-11-19 CN CN 201220609241 patent/CN202920320U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103976783A (en) * | 2014-05-28 | 2014-08-13 | 天津天好医疗器械有限公司 | Disposable fracture traction repositor |
| CN103976783B (en) * | 2014-05-28 | 2016-05-25 | 天津天好医疗器械有限公司 | Disposable fracture reduction tractor |
| CN106725659A (en) * | 2017-01-11 | 2017-05-31 | 中国人民解放军总医院 | A kind of reverse thread distraction reduction device |
| CN113100901A (en) * | 2021-04-14 | 2021-07-13 | 中南大学湘雅医院 | Bone fracture repositor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131119 |