CN213552261U - Minimally invasive traction reduction device for calcaneus - Google Patents
Minimally invasive traction reduction device for calcaneus Download PDFInfo
- Publication number
- CN213552261U CN213552261U CN202021849051.9U CN202021849051U CN213552261U CN 213552261 U CN213552261 U CN 213552261U CN 202021849051 U CN202021849051 U CN 202021849051U CN 213552261 U CN213552261 U CN 213552261U
- Authority
- CN
- China
- Prior art keywords
- fixing
- calcaneus
- fixed
- screw rod
- minimally invasive
- 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.)
- Active
Links
- 210000000459 calcaneus Anatomy 0.000 title claims abstract description 34
- 230000009467 reduction Effects 0.000 title claims abstract description 31
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 37
- 238000005452 bending Methods 0.000 claims description 12
- 208000010392 Bone Fractures Diseases 0.000 description 41
- 210000004233 talus Anatomy 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 208000006735 Periostitis Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003460 periosteum Anatomy 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
本实用新型涉及骨折复位设备技术领域，具体公开了跟骨微创牵引复位装置，包括两个固定单元，固定单元包括第一固定座、导杆和与导杆平行设置的双向丝杆，导杆固定连接于第一固定座上，双向丝杆转动连接于第一固定座上；双向丝杆的两端反向螺纹上分别固定连接有滑块，滑块滑动连接于导杆上；滑块上设有固定部，固定部上固定连接有复位针，第一固定座上设有驱动双向丝杆转动的驱动部。本实用新型中利用两个固定单元对两根复位针的两端进行固定，解决了现有技术中骨折手术时无法使骨折处稳定地保持复位状态的问题。
The utility model relates to the technical field of fracture reduction equipment, and specifically discloses a minimally invasive traction reduction device for calcaneus, comprising two fixing units. The fixing unit comprises a first fixing seat, a guide rod and a bidirectional screw rod arranged in parallel with the guide rod. The two-way screw is fixedly connected to the first fixed seat, and the two-way screw is rotatably connected to the first fixed seat; the reverse threads at both ends of the two-way screw are respectively fixedly connected with sliders, and the sliders are slidably connected to the guide rod; A fixing part is provided, the fixing part is fixedly connected with the reset needle, and the first fixing seat is provided with a driving part which drives the rotation of the bidirectional screw rod. In the utility model, two fixing units are used to fix both ends of the two reset needles, which solves the problem that the fracture cannot be kept in the reset state stably during the fracture operation in the prior art.
Description
Technical Field
The utility model relates to a fracture reset device technical field, concretely relates to calcaneus wicresoft pulls resetting means.
Background
Fracture refers to the complete or partial continuous fracture of bone structure, wherein, the fracture of limbs is one of the common fracture conditions, especially the position of human calcaneus, which is very easy to occur. When a fracture occurs, reduction treatment can be generally performed through surgery. At present, when the fracture is reduced in the operation, two types of manual reduction and incision reduction are generally adopted, wherein the manual reduction refers to that the fracture is reduced by applying force to the fracture by manual operation and external force, and the incision reduction refers to that an incision is made at the fracture, and then soft tissues and periosteum are peeled off to reduce the fracture and then fix the fracture. The existing reduction is very obviously determined, for example, manual reduction completely depends on the hand feeling of a doctor, extra injury is easily caused to a patient due to the difficulty in controlling the force, and meanwhile, the reduction relation cannot be accurately maintained, so that deviation may occur in the operation process; the incision for incision and reduction is long, which causes great harm to the patient and simultaneously has high operation cost. Therefore, it is desirable to design a reduction device that is stable in reduction and less harmful to the patient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a calcaneus minimal access traction reduction device to the problem that the fracture department can't keep the reset state stably during the fracture operation among the solution prior art.
In order to solve the above problem, the technical scheme of the utility model is as follows: the calcaneus minimally invasive traction reduction device comprises two fixing units, wherein each fixing unit comprises a first fixing seat, a guide rod and a bidirectional screw rod arranged in parallel with the guide rod, the guide rod is fixedly connected to the first fixing seat, and the bidirectional screw rod is rotatably connected to the first fixing seat; the two ends of the bidirectional screw rod are fixedly connected with sliding blocks respectively through reverse threads, and the sliding blocks are connected to the guide rod in a sliding mode; the sliding block is provided with a fixing part, the fixing part is fixedly connected with a reset needle, and the first fixing seat is provided with a driving part for driving the bidirectional screw rod to rotate.
The principle of the technical scheme is as follows:
when the fixing device is used, two fixing units are placed on two sides of a fracture of a patient, two sliding blocks on the two fixing units are in one-to-one correspondence respectively (namely, the two sliding blocks on one fixing unit are in one-to-one correspondence with the two sliding blocks on the other fixing unit respectively), two ends of the fracture are respectively fixed with one reset needle, and two ends of the Kirschner wire are respectively fixed by using the fixing parts on the two sliding blocks in one-to-one correspondence, so that the two fixing parts on the same fixing unit fix the end parts of the two reset needles which are positioned on the same side of the. Then the two-way screw rod on one fixing unit is driven to rotate by the driving part, the two sliding blocks are driven to rotate when the two-way screw rod rotates, under the limiting action of the guide rod, the two sliding blocks are driven to slide along the axial direction of the guide rod when the two-way screw rod rotates, so that the two sliding blocks on the same fixing unit are close to or away from each other, the distance between the two sliding blocks is changed, the two sliding blocks drive the fixing part to push and pull the end parts of the two kirschner wires positioned on the same side of the fracture part to be close to or away from each other, simultaneously, the two-way screw rod on the other fixing unit is driven to rotate, the end parts of the two kirschner wires positioned on the other side of the fracture part are close to or away from each other, the driving parts on the two fixing units are adjusted in a matching, the fracture operation can be conveniently, accurately and stably completed.
The beneficial effects of this technical scheme lie in:
1. stable fixation and little trauma to the patient: compare and utilize manual reduction or cut the mode that resets among the prior art, only need in this application to penetrate the both sides of patient's fracture respectively with two needles that reset, then utilize two needles that reset of drive division drive to be close to each other or keep away from, so that the fracture position resets, and the both ends of needle that resets all are equipped with fixed unit, consequently, the both ends homoenergetic of needle that resets can be fixed by the fixed part, make the needle that resets can be fixed firmly, be favorable to the fracture position to keep the state of resetting, so that the fracture operation is accurate to be gone on, and it is very little to patient's wound.
2. Is favorable for reducing the deformation of the reset needle: in this application, because the both ends of needle that resets all are equipped with fixed unit, make the both ends homoenergetic of needle that resets fixed part, the both ends homoenergetic of needle that resets when utilizing drive division drive slider to slide can be adjusted and spacing, thereby reduce the possibility that the needle that resets in the accommodation process takes place deformation greatly, simultaneously because the both ends of needle that resets all are fixed, make the needle that resets difficult emergence deformation after making fracture department reset, ensure that fracture department is in the state that resets throughout among the fracture operation process, promote the accuracy of fracture operation.
Further, the number of the guide rods is two.
In this scheme, set up two guide arms, promote gliding smooth and easy nature of slider and accurate nature.
Further, the bidirectional screw rod is positioned between the two guide rods.
In this scheme, more preferably, set up two-way lead screw between two guide arms, when utilizing the two-way lead screw of drive division drive to rotate, two-way lead screw promotes the slider and slides along the guide arm, and the atress of slider is more even, is favorable to reducing the dead risk of slider card.
Furthermore, the bidirectional screw rod type guide rod device further comprises a second fixed seat, and the guide rod and the bidirectional screw rod are located between the first fixed seat and the second fixed seat.
If only utilize first fixing base to carry out spacing to guide arm and two-way lead screw, when utilizing the drive division drive slider to slide, because there is the interact power in slider, probably make guide arm or two-way lead screw take place deformation, cause the slider card to die or can not drive the gliding condition of slider smoothly. In the scheme, the second fixing seat is preferably additionally arranged, so that the two ends of the bidirectional screw rod and the guide rod are respectively limited by the first fixing seat and the second fixing seat, the condition that the guide rod or the bidirectional screw rod is deformed is reduced, and the sliding block can smoothly slide along the guide rod; simultaneously, set up first fixing base and second fixing base, can provide spacingly to the slip scope of slider, avoid outside the two-way lead screw of slider roll-off.
Further, the driving part comprises a knob fixedly connected with the bidirectional screw rod.
In this scheme, more preferably, through manual rotatory knob, can drive two-way lead screw and rotate simple structure and convenient operation.
Furthermore, the knob is provided with anti-skid threads.
In this scheme, more preferably, set up anti-skidding screw thread on the knob to it is more convenient when making manual rotatory knob.
Further, the knob is arranged at one end of the bidirectional screw rod, and the first fixing seat or the second fixing seat is located between the knob and the bidirectional screw rod.
In this scheme, set up the knob at the tip of two-way lead screw, avoid the knob to produce the interference to the slip of slider, and first fixing base or second fixing base are located between knob and the two-way lead screw, during the rotatory knob, can hold first fixing base or second fixing base, and the convenience is to the knob application of force, and the operability is stronger.
Furthermore, the fixed part is including connecting the fixed plate on the slider, and the one end fixed connection that the slider was kept away from to the fixed plate has the crooked board of one side bending to the fixed plate, and it has the fixed orifices that runs through crooked board and fixed plate to open on the crooked board.
In this scheme, utilize the fixed orifices on crooked board and the fixed plate to fix the needle that resets, only need to pass the tip of the needle that resets the fixed orifices, then buckle the needle that resets, make the needle that resets can't withdraw from the fixed orifices, when utilizing the slider to promote the fixed plate and slide, two fixed orifices on same fixed unit keep away from each other, can stimulate automatically that the needle that resets supports tightly with crooked board to automatic the realization is fixed to the take-up of the needle that resets, convenient operation and structure are firm.
Further, the fixed part is including connecting the fixed plate on the slider, the one end fixedly connected with fixed block of slider is kept away from to the fixed plate, and it has the fixed orifices to open on the fixed block, and open one side of fixed block has the screw hole with the fixed orifices intercommunication, and threaded connection has the pole of supporting in the screw hole.
In this scheme, the needle that resets will be fixed in the fixed orifices to the mode that the pole was supported to the utilization soon to the realization is to the fixed of needle that resets, convenient operation.
Further, the fixed plate is connected to the sliding block in a sliding mode.
In this scheme, more preferably, fixed plate sliding connection is on the slider for the fixed plate is adjustable for the position of slider, thereby makes the fixed orifices adjustable apart from the position of slider, thereby makes two-way lead screw, guide arm and the distance of needle that resets adjustable, can rationally adjust the distance of needle and two-way lead screw that resets according to the size at patient's fracture position during the use, thereby conveniently carry out the fracture operation more.
Drawings
Fig. 1 is a schematic view of a fixing unit in a minimally invasive traction reduction device for calcaneus according to an embodiment of the present invention.
Fig. 2 is a schematic view of two fixing units in a first embodiment of the present invention.
Fig. 3 is a schematic view of a fixing unit in the minimally invasive traction reduction device for calcaneus according to the second embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a first fixing seat 1, a second fixing seat 2, a guide rod 3, a bidirectional screw rod 4, a knob 5, a sliding block 6, a Kirschner wire 7, a fixing plate 8, a bent plate 9, a first fixing hole 10, a fixing block 11, a third fixing hole 12 and a tightening rod 13.
Example one
An embodiment substantially as shown in figures 1 and 2 of the accompanying drawings: the calcaneus minimally invasive traction reduction device comprises two fixing units, and one fixing unit is taken as an example for description.
As shown in fig. 1, the fixing unit includes a first fixing seat 1 and a second fixing seat 2 which are oppositely disposed, a guide rod 3 and a bidirectional screw rod 4 which is disposed parallel to the guide rod 3 are disposed between the first fixing seat 1 and the second fixing seat 2, the number of the guide rods 3 is two, the bidirectional screw rod 4 is disposed between the two guide rods 3, both ends of the guide rod 3 are respectively fixedly connected to the first fixing seat 1 and the second fixing seat 2 through screws, the left end of the bidirectional screw rod 4 is rotatably connected to the second fixing seat 2 through a bearing, the right end of the bidirectional screw rod 4 is rotatably connected to the first fixing seat 1 through a bearing, and the first fixing seat 1 is provided with a driving part for driving the bidirectional screw rod 4 to rotate, in this embodiment, the driving part includes a knob 5, a fitting hole which is disposed coaxially with the bidirectional screw rod 4 is formed on the first fixing seat 1, the left end of the knob 5 is fixedly, in order to facilitate and ease the rotation of the knob 5, the outer wall of the knob 5 is provided with anti-slip threads.
As shown in fig. 1, the reverse threads at both ends of the bidirectional screw rod 4 are both connected with a slide block 6 in a threaded manner, and the slide block 6 is provided with a guide hole matched with the guide rod 3, so that the slide block 6 can slide along the axial direction of the guide rod 3; meanwhile, the slider 6 is provided with a fixing part, and a reset needle as shown in fig. 2 is fixedly connected to the fixing part, and in the embodiment, the reset needle is a kirschner wire 7.
As shown in fig. 1, the fixing portion includes a fixing plate 8 fixedly connected to the slider 6 by screws, a bending plate 9 is integrally formed at one end of the fixing plate 8 far away from the slider 6, the bending plate 9 is bent toward the top surface of the fixing plate 8, a first fixing hole 10 perpendicular to the direction of the fixing plate 8 is formed in the bending plate 9, and a second fixing hole coaxial with the first fixing hole 10 is formed in the fixing plate 8.
The specific implementation mode is as follows:
when the fracture operation is performed, firstly, a kirschner wire 7 penetrates through the talus at the turning fracture position, so that two ends of the kirschner wire 7 are respectively positioned at the inner side and the outer side of the talus; then another kirschner wire 7 is passed through the calcaneus bone so that both ends of the kirschner wire 7 are positioned at the inner side and the outer side of the calcaneus bone, respectively, and then the two fixing units are placed in the state of being aligned as shown in fig. 2, and the fracture of the patient is positioned between the two fixing units.
As shown in fig. 2, both ends of the k-wire 7 near the upper part respectively pass through a first fixing hole 10 and a second fixing hole near the upper part in two fixing units (i.e. one end of the k-wire 7 passes through the first fixing hole 10 and the second fixing hole on one fixing unit, the other end of the k-wire 7 passes through the first fixing hole 10 and the second fixing hole on the other fixing unit, and the end of the k-wire 7 passes through the second fixing hole on the fixing plate 8 first and then passes through the first fixing hole 10 on the bending plate 9), and then both ends of the k-wire 7 are bent by external force such as forceps, so that the end of the k-wire 7 cannot exit from the first fixing hole 10. In the same way, both ends of the k-wire 7 near the lower side are respectively passed through the first fixing hole 10 and the second fixing hole near the lower side in the two fixing units.
When the two ends of the two kirschner wires 7 are bent by external force, the knob 5 is rotated manually, the knob 5 drives the two-way screw rod 4 to rotate, so that the two sliding blocks 6 on the same fixing unit are far away from each other, the sliding blocks 6 simultaneously drive the two fixing plates 8 to be far away from each other, the fixing plates 8 and the bending plates 9 pull the end parts of the kirschner wires 7 to move, the two kirschner wires 7 on the same side of the fracture are far away from each other, the positions of the calcaneus and the talus are pulled by the two kirschner wires 7 to change, and the positions of the calcaneus and; the end part of the kirschner wire 7 locked and fixed on the other fixing unit is adjusted by the same method, the calcaneus and the talus are adjusted to be in a reset state by matching with the adjustment of the two fixing units, the calcaneus and the talus are fixed by fixing parts such as steel pins after the situation that the reset is correct is determined by the CT developing technology, and the calcaneus and the talus can be kept in a reset relation by the kirschner wire 7 in the fixing process of the fixing steel pins and the like, so that the accuracy of the fracture operation is ensured.
Example two
The difference between the second embodiment and the first embodiment is that: as shown in fig. 3, the fixing portion in this embodiment is different from the first embodiment, in this embodiment, the fixing portion includes a fixing plate 8, one end of the fixing plate 8, which is far away from the slider 6, is fixedly connected with a fixing block 11 through a screw, a third fixing hole 12 perpendicular to the fixing plate 8 is formed in the fixing block 11, a fourth fixing hole coaxial with the third fixing hole 12 is formed in the fixing plate 8, meanwhile, a threaded hole communicated with the third fixing hole 12 is formed in a side wall of the fixing block 11, a tightening rod 13 is connected to the threaded hole through a thread, and by rotating the tightening rod 13, the tightening rod 13 can be inserted into the third fixing hole 12 to tighten and fix the kirschner wire 7.
EXAMPLE III
The difference between the third embodiment and the second embodiment is that: in this embodiment, one side that fixed plate 8 is close to slider 6 is opened there is the bar hole, open on slider 6 have with bar hole complex lockhole, when utilizing the screw with 8 fixed connection of fixed plate on slider 6, owing to set up the bar hole for the distance of fixed plate 8 and slider 6 can be adjusted, thereby according to the relative position of patient's size adjustment fixed plate 8 and slide, make fixed block 11 moderate apart from slider 6, make things convenient for going on smoothly of fracture operation.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description includes two fixing units, and the following description will be made by taking one fixing unit as an example.
As shown in fig. 1, the fixing unit includes a first fixing seat 1 and a second fixing seat 2 which are oppositely disposed, a guide rod 3 and a bidirectional screw rod 4 disposed parallel to the guide rod 3 are disposed between the first fixing seat 1 and the second fixing seat 2, the number of the guide rods 3 is two, the bidirectional screw rod 4 is disposed between the two guide rods 3, both ends of the guide rod 3 are respectively fixedly connected to the first fixing seat 1 and the second fixing seat 2 through screws, the left end of the bidirectional screw rod 4 is rotatably connected to the second fixing seat 2 through a bearing, the right end of the bidirectional screw rod 4 is rotatably connected to the first fixing seat 1 through a bearing, and the first fixing seat 1 is provided with a driving part for driving the bidirectional screw rod 4 to rotate, the driving part in this embodiment includes a knob 5, a fitting hole coaxial with the bidirectional screw rod 4 is formed in the first fixing seat 1, the left end of the knob 5 is fixedly connected to the right end, in order to facilitate and ease the rotation of the knob 5, the outer wall of the knob 5 is provided with anti-slip threads.
As shown in fig. 1, the reverse threads at both ends of the bidirectional screw rod 4 are both connected with a sliding block 6 in a threaded manner, and the sliding block 6 is simultaneously connected with the two guide rods 3 in a sliding manner, so that the sliding block 6 can slide along the axial direction of the guide rods 3; meanwhile, the slider 6 is provided with a fixing part, and a reset needle as shown in fig. 2 is fixedly connected to the fixing part, and in the embodiment, the reset needle is a kirschner wire 7.
As shown in fig. 1, the fixing portion includes a fixing plate 8 fixedly connected to the slider 6 by screws, a bending plate 9 is integrally formed at one end of the fixing plate 8 far away from the slider 6, the bending plate 9 is bent toward the top surface of the fixing plate 8, a first fixing hole 10 perpendicular to the direction of the fixing plate 8 is formed in the bending plate 9, and a second fixing hole coaxial with the first fixing hole 10 is formed in the fixing plate 8.
The specific implementation mode is as follows:
when the fracture operation is performed, firstly, a kirschner wire 7 penetrates through the talus at the turning fracture position, so that two ends of the kirschner wire 7 are respectively positioned at the inner side and the outer side of the talus; then another kirschner wire 7 is passed through the calcaneus bone so that both ends of the kirschner wire 7 are positioned at the inner side and the outer side of the calcaneus bone, respectively, and then the two fixing units are placed in the state of being aligned as shown in fig. 2, and the fracture of the patient is positioned between the two fixing units.
As shown in fig. 2, both ends of the k-wire 7 near the upper part respectively pass through a first fixing hole 10 and a second fixing hole near the upper part in two fixing units (i.e. one end of the k-wire 7 passes through the first fixing hole 10 and the second fixing hole on one fixing unit, the other end of the k-wire 7 passes through the first fixing hole 10 and the second fixing hole on the other fixing unit, and the end of the k-wire 7 passes through the second fixing hole on the fixing plate 8 first and then passes through the first fixing hole 10 on the bending plate 9), and then both ends of the k-wire 7 are bent by external force, so that the end of the k-wire 7 cannot pass through the first fixing hole 10 again. In the same way, both ends of the k-wire 7 near the lower side are respectively passed through the first fixing hole 10 and the second fixing hole near the lower side in the two fixing units.
When the two ends of the two kirschner wires 7 are bent by external force, the knob 5 is rotated manually, the knob 5 drives the two-way screw rod 4 to rotate, so that the two sliding blocks 6 on the same fixing unit are far away from each other, the sliding blocks 6 simultaneously drive the two fixing plates 8 to be far away from each other, the fixing plates 8 and the bending plates 9 pull the end parts of the kirschner wires 7 to move, the two kirschner wires 7 on the same side of the fracture are far away from each other, the positions of the calcaneus and the talus are pulled by the two kirschner wires 7 to change, and the positions of the calcaneus and; the end part of the kirschner wire 7 locked and fixed on the other fixing unit is adjusted by the same method, the calcaneus and the talus are adjusted to be in a reset state by matching with the adjustment of the two fixing units, the calcaneus and the talus are fixed by fixing parts such as steel pins after the situation that the reset is correct is determined by the CT developing technology, and the kirschner wire 7 can keep the reset relation of the calcaneus and the talus when the fixing parts such as the steel pins are fixed, so that the accuracy of the fracture operation is ensured.
Example two
The difference between the second embodiment and the first embodiment is that: as shown in fig. 3, the fixing portion in this embodiment is different from the first embodiment, in this embodiment, the fixing portion includes a fixing plate 8, one end of the fixing plate 8, which is far away from the slider 6, is fixedly connected with a fixing block 11 through a screw, a third fixing hole 12 perpendicular to the fixing plate 8 is formed in the fixing block 11, a fourth fixing hole coaxial with the third fixing hole 12 is formed in the fixing plate 8, meanwhile, a threaded hole communicated with the third fixing hole 12 is formed in a side wall of the fixing block 11, a tightening rod 13 is connected to the threaded hole through a thread, and by rotating the tightening rod 13, the tightening rod 13 can be inserted into the third fixing hole 12 to tighten and fix the kirschner wire 7.
EXAMPLE III
The difference between the third embodiment and the second embodiment is that: in this embodiment, one side that fixed plate 8 is close to slider 6 is opened there is the bar hole, open on the slider 6 have with bar hole complex lockhole, when utilizing the screw with fixed plate 8 fixed connection on slider 6, owing to set up the bar hole, make fixed plate 8 and slider 6's distance can be adjusted, thereby adjust the relative position of fixed plate 8 and slide according to patient's size, make fixed block 11 apart from slider 6 moderate, the record such as the smooth concrete implementation mode that carries on of convenient fracture operation can be used for explaining the content of claim.
Claims (10)
1. Calcaneus minimally invasive traction reduction device is characterized in that: the guide rod is fixedly connected to the first fixing seat, and the bidirectional screw rod is rotatably connected to the first fixing seat; the two ends of the bidirectional screw rod are fixedly connected with sliding blocks respectively through reverse threads, and the sliding blocks are connected to the guide rod in a sliding mode; the sliding block is provided with a fixing part, the fixing part is fixedly connected with a reset needle, and the first fixing seat is provided with a driving part for driving the bidirectional screw rod to rotate.
2. The minimally invasive calcaneus traction reduction device according to claim 1, wherein: the number of the guide rods is two.
3. The calcaneus minimally invasive traction reduction device according to claim 2, wherein: the bidirectional screw rod is positioned between the two guide rods.
4. The minimally invasive calcaneus traction reduction device according to claim 3, wherein: the guide rod and the bidirectional screw rod are positioned between the first fixing seat and the second fixing seat.
5. The minimally invasive traction reduction device for the calcaneus according to claim 4, wherein: the driving part comprises a knob fixedly connected with the bidirectional screw rod.
6. The minimally invasive calcaneus traction reduction device according to claim 5, wherein: and the knob is provided with anti-skid threads.
7. The minimally invasive traction reduction device for the calcaneus according to claim 6, wherein: the knob is arranged at one end of the bidirectional screw rod, and the first fixing seat or the second fixing seat is located between the knob and the bidirectional screw rod.
8. The minimally invasive calcaneus traction reduction device according to claim 7, wherein: the fixed part is including connecting the fixed plate on the slider, and the one end fixed connection that the slider was kept away from to the fixed plate has the crooked board of one side bending of fixed plate, and it has first fixed orifices to open on the crooked board, all opens the second fixed orifices that has the coaxial setting with first fixed orifices on the fixed plate.
9. The minimally invasive calcaneus traction reduction device according to claim 7, wherein: the fixed part is including connecting the fixed plate on the slider, the one end fixedly connected with fixed block of slider is kept away from to the fixed plate, and it has the fixed orifices to open on the fixed block, and open one side of fixed block has the screw hole with the fixed orifices intercommunication, and threaded connection has the pole of supporting in the screw hole.
10. The minimally invasive traction reduction device for the calcaneus according to claim 8 or 9, characterized in that: the fixed plate is connected to the sliding block in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849051.9U CN213552261U (en) | 2020-08-28 | 2020-08-28 | Minimally invasive traction reduction device for calcaneus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849051.9U CN213552261U (en) | 2020-08-28 | 2020-08-28 | Minimally invasive traction reduction device for calcaneus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213552261U true CN213552261U (en) | 2021-06-29 |
Family
ID=76556873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021849051.9U Active CN213552261U (en) | 2020-08-28 | 2020-08-28 | Minimally invasive traction reduction device for calcaneus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213552261U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115969494A (en) * | 2023-01-03 | 2023-04-18 | 上海浦卫医疗器械厂有限公司 | A kind of calcaneal external fixator |
-
2020
- 2020-08-28 CN CN202021849051.9U patent/CN213552261U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115969494A (en) * | 2023-01-03 | 2023-04-18 | 上海浦卫医疗器械厂有限公司 | A kind of calcaneal external fixator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8512343B2 (en) | Methods and instruments for approximating misaligned vertebra | |
| US10299846B2 (en) | Automatic wire-directing intramedullary reduction device used for long bone fracture | |
| CN106264692B (en) | A kind of shank and ankle fracture traction reduction frame | |
| CN114748763B (en) | An interventional surgery sheath fixing device | |
| CN213552261U (en) | Minimally invasive traction reduction device for calcaneus | |
| CN107456255B (en) | A kind of surgical operation rapid suture device | |
| CN115486925A (en) | Hallux valgus correction guide device and correction method | |
| CN105902285B (en) | A Deployable Retractor for Breast Tumor Surgery | |
| CN206252539U (en) | A kind of shank and ankle fracture traction reduction frame | |
| CN218773927U (en) | A kind of proximal femoral cerclage fixation device | |
| CN118633979B (en) | Suture device for endoscope skull base dura mater | |
| CN117137600B (en) | Bone handling device based on cable | |
| CN219109603U (en) | skin stretcher | |
| CN219331766U (en) | Suture needle is with holding line ware | |
| CN203417249U (en) | Pelvis external fixation operation positioning device | |
| CN121358418A (en) | Bone removal system and method | |
| CN206443752U (en) | A kind of orthopaedics Minimally Invasive Surgery guider | |
| CN101401734B (en) | lower abdominal retractor | |
| CN203802516U (en) | Progressive non-invasive adjustable soft skin traction anastomat and system | |
| CN113907860B (en) | Auxiliary positioning device for embedding sacroiliac screw | |
| CN211512095U (en) | Orthopedic surgery threading needle positioning device | |
| CN218045209U (en) | brain spreader | |
| CN209564189U (en) | Percutaneous posterior cervical single-door internal fixation system | |
| CN114052871B (en) | Minimally invasive three-dimensional vertebral lamina articular process screw guider | |
| CN221431180U (en) | Steel wire guider for multidirectional rotary wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |