CN209996451U - Stepless adjustment threading clamp with guiding function - Google Patents
Stepless adjustment threading clamp with guiding function Download PDFInfo
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- CN209996451U CN209996451U CN201920498424.3U CN201920498424U CN209996451U CN 209996451 U CN209996451 U CN 209996451U CN 201920498424 U CN201920498424 U CN 201920498424U CN 209996451 U CN209996451 U CN 209996451U
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- steel needle
- needle
- fastening nut
- sliding ring
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Abstract
The utility model discloses a stepless regulation threading anchor clamps of area guide effect, including stepless regulation device, steel needle direction locking device and fixation nut about the steel needle, steel needle upper and lower stepless regulation device includes screw rod, last fastening nut, fastening nut and sliding ring down, and the upper and lower both ends of sliding ring are fixed at the regulation end middle part of screw rod through last fastening nut and fastening nut down, steel needle direction locking device includes steel needle sleeve and locking bolt, and the steel needle sleeve passes the straight line grooves on the regulation end of sleeve connecting hole on the sliding ring and screw rod, and the locking bolt passes the bolt hole on the sliding ring and the locking hole of steel needle sleeve side, and with the steel needle top tight in the steel needle sleeve, the utility model discloses can realize finely tuning fixedly, 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 a recovered, the correction field of skeleton especially relates to the recovered external fixation field of skeleton, and more specifically says, especially relates to infinitely variable control threading needle anchor clamps of area guide effect.
Background
The conventional fixation means is mainly Ilizarov external fixator and Taylor skeleton, Ilizarov technology adopts a multi-plane thin Kirschner wire to penetrate through limbs and bone tissues and connect ring-shaped fixator, Taylor improves the Ilizarov external fixation system, six telescopic extension rods are obliquely connected on a proximal ring and a distal ring and can freely rotate at the connecting points, rings can change positions relative to the other rings as long as the lengths of extension rods are adjusted, the lengths of the extension rods relative to malformed parameters can be calculated by using computer program software, and any pre-malformed Taylor space frame can be simulated to treat and correct various simple or complex fractures and malformed Taylor skeleton is composed of:
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, the infinitely variable control threading anchor clamps of area guide effect have been proposed, can realize the fine setting fixed, the threading direction, not only can 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 area guide effect's infinitely variable control needle anchor clamps, including steel needle upper and lower infinitely variable control device, steel needle direction locking means and fixation nut, steel needle upper and lower infinitely variable control device includes screw rod, last fastening nut, lower fastening nut and sliding ring, the screw rod includes regulation end and stiff end, the regulation end is fixed in the stiff end top, full screw thread is covered on the regulation end, interval 90 degrees is seted up two through-going rectilinear grooves that are parallel to the screw rod axial lead on the regulation end, the sliding ring suit is at the regulation end of screw rod, the internal thread of last fastening nut and lower fastening nut is connected with the screw thread fit on the regulation end of screw rod, the upper and lower both ends of sliding ring are fixed in the regulation end middle part of screw rod through last fastening nut and lower fastening nut, the internal diameter of sliding ring and the regulation end clearance fit of screw rod, seted up the bolt hole on the sliding ring and the sleeve connecting hole that runs through whole sliding ring, the bolt hole sets up 90 degrees with the muff connection, steel needle direction locking means includes steel needle sleeve and locking bolt, steel needle sleeve's end is provided with the protrusion, the locking sleeve passes through the locking bolt hole on the steel needle side of steel needle and the locking sleeve, the fixing screw rod, the fixing sleeve barrel 6335 or the fixing needle is provided with the Ili pin on the side of the fixing needle skeleton on the fixing frame.
And , the outer side surface of the steel needle sleeve is in interference fit with the sleeve connecting hole on the sliding ring, and the outer side surface of the steel needle sleeve is in clearance fit with linear grooves on the adjusting end of the screw rod.
, arranging a boss at end of the steel needle sleeve, wherein the outer diameter of the boss is larger than the diameter of the sleeve connecting hole on the sliding ring.
, the sliding ring realizes the stepless adjustment of the up and down position by the up and down movement of the upper fastening nut and the lower fastening nut.
, the width of the linear groove on the adjusting end of the screw rod is slightly larger than the outer diameter of the steel needle sleeve.
, the bolt hole on the sliding ring is provided with a screw thread matching with the locking bolt.
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 adjusting needle threading clamp with guiding function for threading steel needles.
Fig. 2 is a schematic view of the overall structure of the stepless adjustable needle threading clamp without the steel needle with guiding function.
Fig. 3 is a schematic structural view of the screw of the present invention.
Fig. 4 is a schematic structural diagram of the sliding ring of the present invention.
Fig. 5 is a schematic structural view of the steel needle sleeve of the present invention.
In the figure, 1-sleeve connecting hole, 2-steel needle, 3-bolt hole, 4-locking hole, 5-bulge, 6-linear groove, 7-steel needle up-down stepless adjusting device, 8-steel needle guiding locking device, 9-fixing nut, 10-lower fastening nut, 12-steel needle sleeve, 13-locking bolt, 14-screw, 14-1-adjusting end, 14-2-fixing end, 15-upper fastening nut and 16-sliding ring.
Detailed Description
The present invention is further described in with reference to the following drawings:
as shown in figures 1-5, a stepless adjustment needle-penetrating clamp with a guiding function comprises a steel needle up-and-down stepless adjustment device 7, a steel needle guide locking device 8 and a fixing nut 9, the steel needle up-and-down stepless adjustment device 7 comprises a screw 14, an upper fastening nut 15, a lower fastening nut 10 and a sliding ring 16, the screw 14 comprises an adjustment end 14-1 and a fixing end 14-2, the adjustment end 14-1 is fixed above the fixing end 14-2, threads are fully distributed on the adjustment end 14-1, two penetrating linear grooves 6 parallel to the axial line of the screw 14 are formed in the adjustment end 14-1 at intervals of 90 degrees, the sliding ring 16 is sleeved on the adjustment end 14-1 of the screw 14, internal threads of the upper fastening nut 15 and the lower fastening nut 10 are matched and connected with threads on the adjustment end 14-1 of the screw 14, the upper end and the lower end of the sliding ring 16 are fixed in the middle of the adjustment end 14-1 of the screw 14 through the upper fastening nut 15 and the lower fastening nut 10, the upper end and the upper end of the sliding ring 16 are fixed in the adjustment end 14-1 of the screw 14-1 through a steel bolt hole 13, the upper fastening nut 15 and the upper fastening nut 15, a screw 13 is arranged on the side face of a steel needle guide sleeve 13, a needle guide needle 13, a needle guide sleeve 13, a needle guide pin 13 is arranged on a needle guide sleeve 13, a needle 13 is arranged on a needle guide sleeve 13, a needle guide sleeve 13, a needle 13 is arranged on a needle guide sleeve 13, a needle guide sleeve 13, a needle guide pin 13, a needle guide ring 13, a needle 13 is arranged on a needle 13, a needle 6, a needle guide sleeve 13, a needle guide pin 13 is.
The outer side surface of the steel needle sleeve 12 is in interference fit with the sleeve connecting hole 1 on the sliding ring 16, the outer side surface of the steel needle sleeve 12 is in clearance fit with linear grooves 6 on the adjusting end 14-1 of the screw 14, and the width of the linear groove 6 on the adjusting end 14-1 of the screw 14 is slightly larger than the outer diameter of the steel needle sleeve 12.
The end of the steel needle sleeve 12 is provided with a boss, and the outer diameter of the boss is larger than the diameter of the sleeve connecting hole 1 on the sliding ring 16.
After the doctor confirms 2 mounted position of steel needle, through computational analysis, confirm the mounted position of anchor clamps, adjust after the angle through fixation nut 9 installs on taylor frame or other external fixation instruments, through the position about 2 steel needles of stepless adjusting device 9 regulation steel needle about the steel needle, after confirming the position through last fastening nut 15 with fastening nut 10 is screwed up fixedly down, and steel needle 2 penetrates patient's fracture suitable position through steel needle sleeve 12 and installs, and steel needle sleeve 12 provides the guide effect of steel needle installation, through the position around 7 regulation of steel needle direction locking device, passes through after confirming the position locking bolt 13 is screwed up fixedly.
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 (6)
- The stepless adjustment needle threading clamp with the guiding function is characterized by comprising a steel needle up-and-down stepless adjustment device (7), a steel needle guide locking device (8) and a fixing nut (9), wherein the steel needle up-and-down stepless adjustment device (7) comprises a screw rod (14), an upper fastening nut (15), a lower fastening nut (10) and a sliding ring (16), the screw rod (14) comprises an adjustment end (14-1) and a fixing end (14-2), the adjustment end (14-1) is fixed above the fixing end (14-2), threads are fully distributed on the adjustment end (14-1), two penetrating linear grooves (6) parallel to the axial line of the screw rod (14) are formed in the adjustment end (14-1) at an interval of 90 degrees in the adjustment end (14-1) of the sliding ring (16), the internal threads of the upper fastening nut (15) and the lower fastening nut (10) are in matched connection with the threads on the adjustment end (14-1) of the screw rod (14), the screw rod (14-1) is connected with the screw rod (14-1) through the screw bolt holes (14-1), the upper fastening nut (15) and the lower fastening nut (10) and the screw rod (14-12), the screw rod (14-12) are arranged on the screw rod (14-1) through the screw rod (14-12), the screw rod (14-14), the screw rod (3), the screw rod (13), the screw rod (3) and the screw rod (13), the screw rod (13) and the screw rod (13), the screw rod (3) are arranged on the needle guide device, the needle guide device (3) and the needle guide device (3) are arranged on the needle guide device, the needle.
- 2. stepless adjustable needle threading clamp with guiding function as claimed in claim 1, characterized in that the outer side of the steel needle sleeve (12) is in interference fit with the sleeve connecting hole (1) on the sliding ring (16), and the outer side of the steel needle sleeve (12) is in clearance fit with the linear grooves (6) on the adjusting end (14-1) of the screw rod (14).
- 3. stepless adjustable needle threading clamp with guiding function as claimed in claim 1, characterized in that the end of the steel needle sleeve (12) is provided with a boss, the outer diameter of which is larger than the diameter of the sleeve connecting hole (1) on the sliding ring (16).
- 4. stepless adjustable needle-threading clamp with guiding function according to claim 1, characterized in that the sliding ring (16) realizes stepless adjustment of up and down position by up and down movement of the upper fastening nut (15) and the lower fastening nut (10).
- 5. stepless adjustable threading clamp with guiding function according to claim 1, characterized in that the width of the linear groove (6) on the adjusting end (14-1) of the screw (14) is slightly larger than the outer diameter of the steel needle sleeve (12).
- 6. stepless adjustable threading clamp with guiding function according to claim 1, characterized in that the bolt hole (3) on the sliding ring (16) is provided with a thread matching with the locking bolt (13).
Priority Applications (1)
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CN201920498424.3U CN209996451U (en) | 2019-04-14 | 2019-04-14 | Stepless adjustment threading clamp with guiding function |
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CN201920498424.3U CN209996451U (en) | 2019-04-14 | 2019-04-14 | Stepless adjustment threading clamp with guiding function |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110141334A (en) * | 2019-04-14 | 2019-08-20 | 浙江工业大学 | A kind of step-less adjustment with guiding role is threaded a needle fixture |
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2019
- 2019-04-14 CN CN201920498424.3U patent/CN209996451U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110141334A (en) * | 2019-04-14 | 2019-08-20 | 浙江工业大学 | A kind of step-less adjustment with guiding role is threaded a needle fixture |
CN110141334B (en) * | 2019-04-14 | 2024-06-18 | 浙江工业大学 | Stepless regulation needle threading clamp with guiding function |
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