CN209996452U - Stepless regulation needle threading clamp - Google Patents
Stepless regulation needle threading clamp Download PDFInfo
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- CN209996452U CN209996452U CN201920498434.7U CN201920498434U CN209996452U CN 209996452 U CN209996452 U CN 209996452U CN 201920498434 U CN201920498434 U CN 201920498434U CN 209996452 U CN209996452 U CN 209996452U
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Abstract
The utility model discloses an infinitely variable control threading anchor clamps, including adjusting stand, steel needle sleeve, fixation nut, upper and lower locking bolt, front and back locking bolt and adjusting block, adjust the stand including the rectangle regulation end that is located upper portion and the column installation end that is located the lower part, be provided with on the adjusting block with the rectangle regulation end complex square hole of adjusting the stand, adjusting block passes through the square hole suit and holds and slide from top to bottom along the rectangle regulation of adjusting the stand, is provided with the sleeve mounting hole that runs through on two adjacent sides in side with being provided with slider locking hole on the adjusting block, and the steel needle sleeve passes sleeve mounting hole on the adjusting block in proper order, adjusts the straight line groove on the stand and the protruding through-hole of cylinder on the slider, the utility model discloses can realize that the fine setting is fixed, provide the threading direction, can not only improve the accuracy and the security that clinical fracture resets, alleviate clinician's operation intensity moreover, promoted the success rate of operation greatly.
Description
Technical Field
The utility model relates to an orthopedic correction, recovered field, more specifically say specifically, especially relate to stepless regulation threading needle anchor clamps that are used for on recovered external fixation frame of skeleton.
Background
The conventional fixation means , which is essential for surgical procedures, is steel plate internal fixation, and less traumatic external fixation is now available.conventional external fixation means are primarily Ilizarov external fixation devices, Taylor skeletons.Ilizarov technology uses a multi-plane thin Kirschner wire to penetrate the limb and bone tissue and to connect the ring fixators.Theilers improve the Ilizarov external fixation system by obliquely connecting six telescoping extension rods to the proximal and distal rings and freely rotating at the connection points, and by adjusting the length of of the extension rods, rings change position relative to the other rings.
1. The upper and lower rings, which may also be referred to as the proximal and distal rings.
2. Six extension rods with adjustable lengths, and the length of each extension rod can be directly read.
3. The extension rod is connected with the universal rotary joint of the ring.
4. A steel needle and a needle clip for connecting the fixing ring and the bone segment.
The process of the operation is that the steel needle is fixed at a proper position near the fracture position, the steel needle is fixed on the Ilizarov external fixator or the Taylor skeleton through the needle clamp to realize the fixation and adjustment of the skeleton, both the Ilizarov external fixator and the Taylor skeleton adopt the needle-threading clamp fixed on the hole-positioning position on the upper and lower fixing rings to achieve the mutual fixed connection of the human fracture and the upper and lower rings of the external fixator, but the hole-threading position is not symmetrical in the actual operation, the hole position of the traditional clamp is not and can be perfectly matched with the needle-threading position, moreover, when the steel needle is nailed into the skeleton of the patient in the doctor operation, the steel needle is nailed into the patient due to the difference of the technical level, the condition of steel needle deviation can occur, the secondary or even multiple injuries can be caused, the operation difficulty is large, the sill is high, and very small error can bring great pain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the unable perfect match threading position of traditional anchor clamps and lead to the doctor operation to appear easily when the steel needle nail is gone into patient's skeleton that the steel needle beat the inclined to one side the condition need carry out the secondary nail and go into, thereby it is big to cause the secondary injury even many times to make the operation degree of difficulty, threshold height, bring very big painful problem for the patient, kinds of have been proposed and can be reduced operation threshold, improve the infinitely variable control threading anchor clamps of operation success rate, can realize finely tuning fixedly, the threading direction, can only improve accuracy and the security that clinical fracture resets, and alleviate clinician's operation intensity, the success rate of operation has been promoted greatly.
The utility model discloses a kind of infinitely variable control threading needle anchor clamps, including adjusting the stand, steel needle sleeve, fixation nut, upper and lower locking bolt, front and back locking bolt and adjusting the slider, adjusting the stand including the rectangle regulation end that is located the upper portion and the column installation end that is located the lower part, be provided with the straight line groove that runs through on two relative terminal surfaces among them of rectangle regulation end, the upper end of column installation end is fixed in the bottom of rectangle regulation end, the lower part of column installation end is fixed on external Ilizarov external fixation ware or taylor skeleton through fixation nut, be provided with the square hole that cooperates with the rectangle regulation end of adjusting the stand on adjusting the slider, adjusting the slider through square hole suit on the rectangle regulation end of adjusting the stand and slide from top to bottom along rectangle regulation end, be provided with slider locking hole on sides of adjusting the slider, slider locking hole and upper and lower locking bolt are provided with the matched with screw thread, upper and lower locking bolt pass the slider locking hole on adjusting the slider and fix adjusting the rectangle regulation end of adjusting the slider on adjusting the round hole, be provided with the locking hole on two sides of locking hole adjacent locking hole of slider, the steel needle sleeve and the through adjusting the through hole of the through adjusting the through the straight line groove of cylinder needle on the steel needle, the through hole of the through adjusting the cylinder needle on the through adjusting the cylinder needle sleeve, the through adjusting the through hole of the through adjusting the through hole of the through adjusting the cylinder needle on the cylinder needle.
, the adjusting upright post is in interference fit with the adjusting slide block.
, the diameter of the steel needle sleeve is slightly smaller than the width of the linear groove on the rectangular adjusting end.
, internal threads matched with the external threads on the front and rear locking bolts are arranged on the steel needle locking hole, and the diameter of the through hole on the cylindrical protrusion on the adjusting slide block is slightly larger than the maximum outer diameter of the front and rear locking bolts.
The beneficial effects of the utility model reside in that: the utility model discloses can realize finely tuning fixedly, provide the threading direction, not only can improve accuracy and the security that clinical fracture resets, alleviate clinician's operation intensity moreover, promote the success rate of operation greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of stepless-adjustable needle threading clamps of the present invention.
Fig. 2 is a schematic structural diagram of the adjusting column of the present invention.
Fig. 3 is a schematic structural view of the steel needle sleeve of the present invention.
Fig. 4 is a schematic structural diagram of the adjusting slider of the present invention.
In the figure, 1-an adjusting upright post, 2-a steel needle sleeve, 3-a steel needle, 4-a fixed nut, 5-an upper locking bolt, a lower locking bolt, 6-a front locking bolt, a rear locking bolt, 7-an adjusting slide block, 8-a rectangular adjusting end, 9-a columnar mounting end, 10-a linear groove, 11-a sleeve mounting hole, 12-a cylindrical protrusion, 13-a slide block locking hole and 14-a steel needle locking hole.
Detailed Description
The present invention is further described in with reference to the following drawings:
as shown in FIGS. 1 to 4, stepless adjustment needle threading fixtures comprise an adjustment upright post 1, a steel needle sleeve 2, a fixing nut 4, an upper locking bolt 5, a lower locking bolt 5, a front locking bolt 6, a rear locking bolt 6 and an adjustment slide block 7, wherein the adjustment upright post 1 comprises a rectangular adjustment end 8 positioned on the upper part and a columnar installation end 9 positioned on the lower part, two opposite end surfaces of the rectangular adjustment end 8 are provided with through linear grooves 10, the upper end of the columnar installation end 9 is fixed at the bottom of the rectangular adjustment end 8, the lower part of the columnar installation end 9 is fixed on an external Ilizarov external fixator or a Taylor framework through the fixing nut 4, the adjustment slide block 7 is provided with a square hole matched with the rectangular adjustment end 8 of the adjustment upright post 1, the adjustment slide block 7 is sleeved on the rectangular adjustment end 8 of the adjustment upright post 1 through the square hole and slides up and down along the rectangular adjustment end 8, and the adjustment upright post 1 and the adjustment.
side surfaces of the adjusting slider 7 are provided with slider locking holes 13, the slider locking holes 13 and the upper and lower locking bolts 5 are provided with matched threads, the upper and lower locking bolts 5 penetrate through the slider locking holes 13 on the adjusting slider 7 to fix the adjusting slider 7 on the rectangular adjusting end 8 of the adjusting upright post 1, two side surfaces of the adjusting slider 7 adjacent to the side surface provided with the slider locking holes 13 are provided with penetrating sleeve mounting holes 11, the side surface where sleeve mounting holes 11 are located is provided with cylindrical bosses 12, the cylindrical bosses 12 are provided with penetrating through holes corresponding to the hole diameters of the sleeve mounting holes 11, the diameter of the steel needle sleeve 2 is slightly smaller than the width of the linear grooves 10 on the rectangular adjusting end 8, the steel needle sleeve 2 sequentially penetrates through the sleeve mounting holes 11 on the adjusting slider 7, the linear grooves 10 on the adjusting upright post 1 and the through holes on the cylindrical bosses 12 on the adjusting slider 7, the circumferential surface of the cylindrical bosses 12 is further provided with steel needle locking holes 14 communicated with the through holes in the cylindrical bosses 12, the steel needle sleeve 2 is provided with the locking holes 14 corresponding to the positions of the front and rear locking bolts 6 and the adjusting slider 3 and the adjusting slider 7.
The steel needle locking hole 14 is provided with an internal thread matched with the external thread on the front and rear locking bolts 6, and the diameter of the through hole on the cylindrical protrusion 12 on the adjusting slide block 7 is slightly larger than the maximum external diameter of the front and rear locking bolts 6.
The utility model discloses specific work flow is as follows: the adjustable sliding block 7 is movably installed on the adjusting upright post 1, the steel needle 3 penetrates through the adjusting sliding block 7 and the adjusting upright post 1 respectively after penetrating through the steel needle sleeve 2, the up-down and front-back direction adjustment of the steel needle can be realized through the upper locking bolt 5, the lower locking bolt 6 and the front-back locking bolt 6, after the installation position of the steel needle is determined, the adjusting sliding block 7 and the adjusting upright post are fixed through screwing up the upper locking bolt 5 and the lower locking bolt 5, the positions of the steel needle sleeve 2 and the steel needle 3 are further fixed, the up-down direction positioning of the steel needle 3 is realized, the front-back direction positioning of the steel needle 3 is realized through screwing up the front-back locking bolt 6, the adjustable sliding block type steel needle fixing device is installed on an outer fixing frame through a fixing.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (4)
- The needle threading fixture for stepless adjustment is characterized by comprising an adjusting upright post (1), a steel needle sleeve (2), a fixing nut (4), upper and lower locking bolts (5), front and rear locking bolts (6) and an adjusting slider (7), wherein the adjusting upright post (1) comprises a rectangular adjusting end (8) positioned at the upper part and a columnar mounting end (9) positioned at the lower part, two opposite end surfaces of the rectangular adjusting end (8) are provided with through linear grooves (10), the upper end of the columnar mounting end (9) is fixed at the bottom of the rectangular adjusting end (8), the lower part of the columnar mounting end (9) is fixed on an external Ilizarov external fixator or Taylor framework through a fixing nut (4), the adjusting slider (7) is provided with square holes matched with the rectangular adjusting end (8) of the adjusting upright post (1), the adjusting slider (7) is sleeved on the rectangular adjusting end (8) of the adjusting upright post (1) through the square holes and slides up and down along the rectangular adjusting end (8), the locking holes (7) are arranged on the rectangular adjusting upright post (7), the locking holes (7), the adjusting upright post (7) are provided with circular holes (7), the adjusting sleeve (7), the adjusting bolt (7) and the adjusting sleeve (7) are provided with circular holes (7), the adjusting sleeve (7), the adjusting needle sleeve (7), the adjusting bolt (7) and the adjusting sleeve (7) are provided with the adjusting needle sleeve (7), the adjusting bolt (7), the adjusting sleeve (7) and the adjusting sleeve (7) in turn, the adjusting sleeve (7), the adjusting pin (7), the adjusting sleeve (7) are provided with the adjusting pin (7), the adjusting pin (13), the adjusting sleeve (7), the adjusting pin (7), the adjusting bolt (7) and the adjusting sleeve (7) are provided with the adjusting sleeve (7), the adjusting pin (7), the adjusting sleeve (7), the adjusting pin (7), the adjusting screw thread, the adjusting sleeve (7) and the adjusting pin (7) and the adjusting sleeve (7), the adjusting sleeve (13), the adjusting.
- 2. The kinds of stepless regulation needle threading clamp of claim 1, wherein the regulation upright post (1) is in interference fit with the regulation slide block (7).
- 3. kinds of stepless regulation needle-threading clamp according to claim 1, characterized in that the diameter of the steel needle sleeve (2) is slightly smaller than the width of the straight line slot (10) on the rectangular regulation end (8).
- 4. The kinds of stepless adjustment needle threading fixtures of claim 1, wherein the steel needle locking hole (14) is provided with internal threads matching with the external threads on the front and rear locking bolts (6), and the diameter of the through hole on the cylindrical protrusion (12) on the adjustment slider (7) is slightly larger than the maximum outer diameter of the front and rear locking bolts (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498434.7U CN209996452U (en) | 2019-04-14 | 2019-04-14 | Stepless regulation needle threading clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920498434.7U CN209996452U (en) | 2019-04-14 | 2019-04-14 | Stepless regulation needle threading clamp |
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| Publication Number | Publication Date |
|---|---|
| CN209996452U true CN209996452U (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920498434.7U Active CN209996452U (en) | 2019-04-14 | 2019-04-14 | Stepless regulation needle threading clamp |
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| CN (1) | CN209996452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109965958A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A kind of step-less adjustment is threaded a needle fixture |
-
2019
- 2019-04-14 CN CN201920498434.7U patent/CN209996452U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109965958A (en) * | 2019-04-14 | 2019-07-05 | 浙江工业大学 | A kind of step-less adjustment is threaded a needle fixture |
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