CN205947842U - Restorer of bone blocks in spinal canal - Google Patents
Restorer of bone blocks in spinal canal Download PDFInfo
- Publication number
- CN205947842U CN205947842U CN201620507734.3U CN201620507734U CN205947842U CN 205947842 U CN205947842 U CN 205947842U CN 201620507734 U CN201620507734 U CN 201620507734U CN 205947842 U CN205947842 U CN 205947842U
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- CN
- China
- Prior art keywords
- crossbeam
- push rod
- restorer
- bone fragments
- vertebral canal
- 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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- Prostheses (AREA)
Abstract
The utility model discloses a restorer of bone blocks in spinal canal, its characterized in that: mainly constitute reseing of push rod (2) bottom by crossbeam (4), push rod (2) that set up on crossbeam (4) and can reciprocate along crossbeam (4) and setting. The utility model is not only simple in structure, and low cost, the damage of nerve root or spinal cord can be avoided again to bone piece in the canalis spinalis that can accurately, objective, complete reset, makes most operations all can accomplish through the way of escape, has alleviateed patient's wound and misery, reduces the complication of traditional way of escape simultaneously, consequently is fit for using widely.
Description
Technical field
The utility model is related to a kind of bone piece restorer, specifically refers to a kind of bone fragments in vertebral canal restorer.
Background technology
Treatment method for thoracolumbar bursting fractures does not have a kind of unified method at present, and anterior approach can be very good
Release intraspinal tube compressing, but wound is larger；Posterior approach wound is relatively small, but intraspinal bone piece is resetted and is unsatisfied with more,
The compressing of intraspinal tube nerve root or spinal cord can not be solved well.For intraspinal bone piece, domestic way of escape intraspinal tube sclerite
Restorer is reported earliest with the backbone flower knife of the designs such as Chi Yonglong, Affiliated Traditional Chinese Medicine Hospital of Luzhou Medical College's orthopedics and traumatology (backbone group)
Auspicious report：【Pedal osteotome reset joint Pedicle Screw Fixation For Treatment of Thoracolumbar Fracture】；Gansu Provincial Hospital of Traditional Chinese Medicine Spinal fractures Zhao Ji is flourish
Report：【Self-control C-shaped intraspinal tube reduction of the fracture device is in Thoracolumbar Burst Fracture】；The inner report of No. 2nd Hopspital of Huangshi of Hubei Province orthopaedics ten thousand
Road：【Self-designed L type bone piece restorer causes bone piece intraspinal tube occupy-place in treatment thoracolumbar burst fractures】.All above-mentioned reset works
Tool, is required for relying on the feel of operator and abundant clinical experience, firmly excessive possible operation tool slide easily damages god
Through root or spinal cord, and for reset more than vertebra circular cone, the shaking force that violence produces when resetting is likely to spinal cord is produced
Damage；And dynamics is too little can not reach active homing.Whether also relevant with " sensation " of operator, in art the reduction of the fracture is
Neither one objectively resets standard, only can thoroughly understand through postoperative check CT.
Utility model content
The purpose of this utility model is that overcoming existing resetting tool to exist can only rely on the subjective judgement of operator to carry out
Operation, and the defect of easy injured nerve root or spinal cord, provide one kind to be not only simple in structure, can accurate, objective, complete reset
Bone fragments in vertebral canal, is avoided that the damage of nerve root or spinal cord again, so that overwhelming majority operation all can be completed through the way of escape, alleviates patient
Wound and misery, reduce the bone fragments in vertebral canal restorer of the complication of traditional way of escape simultaneously.
The utility model is achieved through the following technical solutions：
Bone fragments in vertebral canal restorer, the push rod mainly by crossbeam, being arranged on crossbeam and moving up and down along crossbeam and
It is arranged on the reset portion composition of push rod bottom.
Further, described push rod is provided with external screw thread, and described crossbeam is provided with the spiral shell matching with the external screw thread of push rod
Pit.
For the ease of rotating push-rod, thus making push rod move downward by screw thread cooperation, and promote reset portion that bone piece is entered
Row resets and recovers, and described push rod is provided with handle.
Further, described reset portion is included the connecting rod being connected with push rod and is connected to the reset in connecting rod
Bar.
For the ease of the good contact with bone piece, the bottom of described release link is provided with bone piece contact site.
For the ease of guiding with sliding up and down of release link to connecting rod, make the up and down motion of release link more flat
Surely, thus ensureing firmly to put in place to what bone piece resetted, described crossbeam is provided with the fairlead matching with connecting rod, described connection
Bar can slide up and down along fairlead.
The parameter resetting for the ease of record release link, described fairlead is provided with groove, is provided with scale in described groove
Line and scale value.
In order to the utility model is better achieved, described release link is provided with the limited block below fairlead.
In order to ensure effect, described crossbeam is additionally provided with operation table connector.
The utility model compared with prior art, has advantages below and beneficial effect：
(1) the utility model is not only simple in structure, and with low cost, can accurate, objective, complete reset canalis spinalis in-seam
Block, is avoided that the damage of nerve root or spinal cord again, make the overwhelming majority operation all can complete through the way of escape, alleviate patient wound and
Misery, reduces the complication of traditional way of escape simultaneously.
(2) push rod of the present utility model is provided with external screw thread, and crossbeam is provided with and is matched with the external screw thread of push rod simultaneously
Screwed hole, under the cooperation of screw thread, rotating push-rod, push rod can move up and down along crossbeam, thus promoting reset portion to move, thus
Realize the purpose promoting reset portion that bone piece is resetted.
(3) push rod of the present utility model is provided with handle, is easy to by handle rotating push-rod, thus realizing push rod along crossbeam
The purpose moving up and down.
(4) reset portion of the present utility model is included the connecting rod being connected with push rod and is connected to the reset in connecting rod
Bar, push rod can promote release link to motion by connecting rod, so that downward active force acts in bone piece, you can to bone piece
Resetted.
(5) bottom of release link of the present utility model is provided with bone piece contact site, is directly connect with bone piece by bone piece contact site
Touch, the active force of reset can be made more uniformly to act in bone piece, to reduce the misery of patient.
(6) crossbeam of the present utility model is provided with the fairlead matching with connecting rod, and described connecting rod can be along fairlead
Slide up and down, the up and down motion of connecting rod can be made by the guide effect of fairlead more steady, thus ensureing bone piece is resetted
Firmly put in place.
(7) fairlead of the present utility model is provided with groove, is provided with graduation mark and scale value, in order to remember in described groove
The parameter that record release link resets downwards, you can the situation that record bone piece resets.
(8) release link of the present utility model is provided with the limited block below fairlead, when limited block rises to guiding
Then can be limited and can not continue up during the position of bottom surface of set, push rod, connecting rod and release link can be made to complete
To homing after the reset work of bone piece, screw thread can also be deviate from when moving upwards in the screwed hole of crossbeam by anti-throw-out lever simultaneously
Hole.
(9) it is additionally provided with operation table connector on crossbeam of the present utility model, steel wire rope can be easy to use or other connect use
Restorer of the present utility model is connected on operation table object, in order to patient is carried out with bone piece reset operation.
Brief description
Fig. 1 is stereogram of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
Description of reference numerals：1 handle, 2 push rods, 3 fairleads, 4 crossbeams, 5 operation table connectors, 6 is recessed
Groove, 7 limited blocks, 8 release links, 9 bone piece contact sites, 10 screws, 11 pin-and-holes, 12 connecting rods.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but embodiment of the present utility model is not
It is limited to this.
Embodiment
As shown in Figure 1, 2, bone fragments in vertebral canal restorer of the present utility model, mainly by crossbeam 4, be arranged on crossbeam 4 simultaneously
Can be along the push rod 2 that crossbeam 4 moves up and down and the reset portion composition being arranged on push rod 2 bottom.Described push rod 2 is by screw thread even
It is connected on crossbeam 4, specifically, described push rod 2 is provided with external screw thread, and described crossbeam 4 is provided with and is matched with the external screw thread of push rod 2
Screwed hole, described push rod 2 is connected on crossbeam 4 after the screwed hole cooperation on its external screw thread and crossbeam 4.Joining in screw thread
Under conjunction, rotating push-rod 2, push rod 2 can move up and down along crossbeam 4, thus promoting reset portion to move, thus realizing promoting reset portion
The purpose that bone piece is resetted.For the ease of rotating push-rod 2, described push rod 2 is provided with handle 1.
Described reset portion includes the connecting rod 12 being connected with push rod 2 and the release link 8 being connected in connecting rod 12, described
The bottom of release link 8 is provided with bone piece contact site 9, as shown in the figures 1 and 2.Described bone piece contact site 9 is used for direct and patient bone piece
Joint, described bone piece contact site can increase the contact area with bone piece, and the active force of reset can be made more uniformly to act on
In bone piece, to reduce the misery of patient.
For the ease of guiding to the up and down motion of connecting rod 12 and release link 8, described crossbeam 4 is provided with and connecting rod
The fairlead 3 that 12 match, described connecting rod 12 can slide up and down along fairlead 3.Fairlead 3 of the present utility model can pass through spiral shell
Nail 10 is connected on crossbeam 4, as shown in Fig. 2 the screw 10 in the present embodiment uses soket head cap screw.Described fairlead 3
It is provided with the upper bottom surface running through fairlead 3 through hole matching with connecting rod 12, under the drive of push rod 2, described connection
Bar 12 can move up and down along the through hole of fairlead 3.The up and down motion that connecting rod 12 can be made by the guide effect of fairlead 3 is more
Steadily, thus ensureing firmly to put in place to what bone piece resetted.
It is additionally provided with groove 6, this groove 6 is connected with the through hole of fairlead 3 on fairlead 3 of the present utility model, so that
Connecting rod 12 exposes.It is provided with graduation mark and scale value, as shown in figure 1, described connecting rod 12 can arrange graticule in described groove 6.
When bone piece is resetted, before connecting rod 12 moves downward, its graticule corresponds to a scale value in groove 6, and connecting rod 12 is downward
After motion, its graticule will correspond to another scale value on groove 6, can calculate connection by the difference of this two scale values
The distance that bar 12 moves downward, the distance that this distance as bone piece resets.
For the ease of carrying out spacing and positioning, described release link 8 is provided with the limited block 7 positioned at fairlead 3 lower section, described
The length of limited block 7 is more than the diameter of the through hole of fairlead 3.During use, when limited block 7 rises to the bottom surface of fairlead 3
Then can be limited and can not continue up during position, push rod 2, connecting rod 12 and release link 8 can be made to complete to bone piece
Homing after reset work, can also deviate from screwed hole when moving upwards in the screwed hole of crossbeam 4 by anti-throw-out lever 2 simultaneously.
For the ease of being connected to restorer of the present utility model on operation table, in order to patient is carried out with bone piece reset behaviour
Make, described crossbeam 4 is additionally provided with operation table connector 5, as shown in Figure 2.Described operation table connector 5 is set to two, this two
Operation table connector 5 is separately positioned on the left and right two ends of crossbeam 4, and described push rod 2 is then connected to the centre position of crossbeam 4, so that
Balance in enabling active force.For the ease of being connected to operation table connector 5 on crossbeam 4, described crossbeam 4 is provided with pin-and-hole 11,
Described operation table connector 5 is provided with corresponding through hole, can be by operation table connector 5 using the bearing pin matching with pin-and-hole 11
It is connected on crossbeam 4, as shown in Figure 1.Embodiment, can be socketed in connector using one end of steel wire rope or other connection objects
On 5, and the other end of articles is socketed on operation table, you can the utility model is connected on operation table.During use
Bone piece joint by bone piece contact site 9 and patient, you can operation the utility model carries out bone piece reset.
The utility model passes through turning handle 1, makes push rod 2 promote release link to enter under push rod 2 with the screw thread cooperation of crossbeam 4
Row bone piece resets and operates, thus the subjective judgement needing not rely on operator is operated, can accurate, objective, complete reset
Bone fragments in vertebral canal, is avoided that the damage of nerve root or spinal cord again, overwhelming majority operation can be made all can to complete through the way of escape, alleviate trouble
The wound of person and misery, can reduce the complication of traditional way of escape simultaneously.
As described above, just can preferably realize the utility model.
Claims (9)
1. bone fragments in vertebral canal restorer it is characterised in that：Main by crossbeam (4), to be arranged on crossbeam (4) upper and can be along crossbeam (4)
The push rod (2) moving up and down and the reset portion composition being arranged on push rod (2) bottom.
2. bone fragments in vertebral canal restorer according to claim 1 it is characterised in that：Described push rod (2) is provided with external screw thread,
Described crossbeam (4) is provided with the screwed hole matching with the external screw thread of push rod (2).
3. bone fragments in vertebral canal restorer according to claim 2 it is characterised in that：Described push rod (2) is provided with handle
(1).
4. the bone fragments in vertebral canal restorer according to any one of claims 1 to 3 it is characterised in that：Described reset portion includes
The connecting rod (12) being connected with push rod (2) and the release link (8) being connected in connecting rod (12).
5. bone fragments in vertebral canal restorer according to claim 4 it is characterised in that：The bottom of described release link (8) is provided with
Bone piece contact site (9).
6. bone fragments in vertebral canal restorer according to claim 5 it is characterised in that：Described crossbeam (4) is provided with and is connected
The fairlead (3) that bar (12) matches, described connecting rod (12) can slide up and down along fairlead (3).
7. bone fragments in vertebral canal restorer according to claim 6 it is characterised in that：Described fairlead (3) is provided with groove
(6), it is provided with graduation mark and scale value in described groove (6).
8. the bone fragments in vertebral canal restorer according to any one of claim 5～7 it is characterised in that：On described release link (8)
It is provided with the limited block (7) below fairlead (3).
9. bone fragments in vertebral canal restorer according to claim 8 it is characterised in that：It is additionally provided with operation on described crossbeam (4)
Bed connector (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507734.3U CN205947842U (en) | 2016-05-27 | 2016-05-27 | Restorer of bone blocks in spinal canal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507734.3U CN205947842U (en) | 2016-05-27 | 2016-05-27 | Restorer of bone blocks in spinal canal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205947842U true CN205947842U (en) | 2017-02-15 |
Family
ID=57968241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620507734.3U Expired - Fee Related CN205947842U (en) | 2016-05-27 | 2016-05-27 | Restorer of bone blocks in spinal canal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205947842U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796167A (en) * | 2016-05-27 | 2016-07-27 | 曾本强 | Intraspinal bone block repositor |
-
2016
- 2016-05-27 CN CN201620507734.3U patent/CN205947842U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796167A (en) * | 2016-05-27 | 2016-07-27 | 曾本强 | Intraspinal bone block repositor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20180527 |