CN212015672U - Acetabulum fracture traction device - Google Patents
Acetabulum fracture traction device Download PDFInfo
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- CN212015672U CN212015672U CN202020336418.0U CN202020336418U CN212015672U CN 212015672 U CN212015672 U CN 212015672U CN 202020336418 U CN202020336418 U CN 202020336418U CN 212015672 U CN212015672 U CN 212015672U
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Abstract
The utility model discloses an acetabular bone fracture draw gear has replaced the drawing of manpower in acetabular bone fracture operation, makes the limbs atress stable, can keep invariable drawing or thrust, can not influence the pulling force of drag hook to incised tissue, guarantees that the separation space of skeleton and tissue is unchangeable, makes the operation go on smoothly. The device convenient operation moreover, only through the flexible of actuating lever, make the axis body rotate, can drive the traction lever swing to realize the drive operation to patient's limbs abduction or adduction, and actuating lever locking length is unchangeable can be with the axis body locking, in order to guarantee the stability of limbs state.
Description
Technical Field
The utility model relates to a medical treatment auxiliary instrument field especially relates to an acetabular bone fracture draw gear.
Background
When the acetabulum fracture operation is performed, the bone and the external tissue need to be separated, and the operation incision is pulled and expanded towards two sides by using the draw hook, so that the hip joint part is exposed to a sufficient operation field range. Meanwhile, in order to facilitate the operation of the operation, the auxiliary doctor needs to pull the affected lower limb of the patient to abduct or adduct the affected lower limb, but the operation lasts for several hours, so that the labor force of the auxiliary doctor is increased, uneven pushing force or pulling force is easy to cause due to fatigue, a constant angle is difficult to keep, the stress of the retractor at the incision can be changed as long as the external force on the limb is changed, the separation space of the bone and the tissue can be changed, certain difficulty is increased for a main doctor who performs the operation, and the time for completing the operation is also increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an acetabulum fracture traction device which can draw the abduction or adduction of the lower limbs of a patient and keep a stable drawing state is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
an acetabular fracture distraction device, comprising:
an upper base having a horizontal lower bottom surface;
the bearing seat is fixed on the upper base;
the shaft body is assembled on the bearing seat;
the traction rod is vertically arranged, the lower end of the traction rod is fixed with one end of the shaft body, and the traction rod is provided with a telescopic part capable of adjusting the height of the traction rod;
the connecting rod is of a right-angle structure, and one end of the connecting rod is fixed with the other end of the shaft body;
the driving rod is vertically arranged, the lower end of the driving rod is fixed with the upper base, the upper end of the driving rod is hinged with the free end of the connecting rod, and the driving rod can stretch and lock and is used for driving the shaft body to rotate so as to realize the swinging of the traction rod;
the fixed clamp is rotatably connected and locked with the top of the traction rod through the connecting seat, and the fixed clamp can encircle the femur of a patient.
A further technical solution consists in that the fixing clip comprises:
the outer fixing ring comprises an upper half ring and a lower half ring which can be opened and closed by a hinge, and a locking part for locking openings of the upper half ring and the lower half ring is arranged between the upper half ring and the lower half ring;
the inflatable air bag is positioned in the outer fixing ring, an air nozzle of the inflatable air bag is detachably connected with an inflator pump, and the inflatable air bag can encircle the lower limb of the patient after being inflated and expanded.
The technical scheme is that a circle of fixing groove is formed in the inner wall of the outer fixing ring, and the filling air bag is of a strip-shaped structure and is located in the fixing groove.
The technical scheme is that the locking part comprises locking plates fixed at the opening ends of the upper half circle and the lower half circle, and the two locking plates are overlapped after the outer fixing ring is buckled and are locked by nuts after bolts are penetrated.
The further technical scheme is that the method further comprises the following steps:
the top plate can be positioned behind the tibia after the fixing clamp hoops the femur of the patient, and the upper end of the top plate can be rotatably connected and locked with the lower part of the far end of the fixing clamp through the rotating shaft component; and
and the driving mechanism can drive the upper base to move towards the far end and lock.
A further technical solution is that the spindle assembly comprises:
the rod body is tangentially fixed below the far end of the fixed hoop, and two ends of the rod body are provided with first threaded columns with diameters smaller than that of the rod body;
the ring part is sleeved on the threaded column and fixed on two sides of the upper end of the top plate; and
and the first locking nut is in threaded connection with the first threaded column and used for locking the ring part and the rod body.
A further technical solution is that the drive mechanism comprises:
the lower base is arranged below the upper base, and an installation groove is formed in the lower base;
the adjusting screw rod is rotatably fixed in the mounting groove by virtue of a bearing, and the far end of the adjusting screw rod extends out of the mounting groove to form a rotating handle; and
and the adjusting block is in threaded connection with the adjusting screw rod and is fixed with the upper base, and the adjusting block can move along with the rotation of the adjusting screw rod.
A further technical scheme is that a sucker capable of being adsorbed on the operating table is fixed at the bottom of the lower base.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the acetabulum fracture traction device replaces manual traction, is stable in stress, can keep constant pulling or pushing force, does not influence the pulling force of the pulling hook on incised tissues, ensures that the separation space of bones and tissues is unchanged, and enables the operation to be smoothly carried out.
The device convenient operation moreover, only through the flexible of actuating lever, make the axis body rotate, can drive the traction lever swing to realize the drive operation to patient's limbs abduction or adduction, and actuating lever locking length is unchangeable can be with the axis body locking, in order to guarantee the stability of limbs state.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the right-side structure of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1 and 2, an embodiment of the acetabular fracture traction device is disclosed, which is used for abduction or adduction of a diseased limb of a patient in a leg bending state in an acetabular fracture surgery so as to expose a sufficient surgical field range at a hip joint part.
The acetabulum fracture traction device comprises an upper base 1, a bearing seat 2 fixed on the upper base 1, a shaft body 3 assembled on the bearing seat 2, a traction rod 4, a connecting rod 5, a driving rod 6 and a fixing clamp 7, wherein the upper base 1 is provided with a horizontal lower bottom surface.
The traction rod 4 is vertically arranged, the lower end of the traction rod 4 is fixed with the output end of the shaft body 3, and the traction rod 4 is provided with a telescopic part 41 capable of adjusting the height of the traction rod. The connecting rod 5 is of a right-angle structure, and one end of the connecting rod is fixed with the inlet and outlet ends of the shaft body 3. The driving rod 6 is vertically arranged, the lower end of the driving rod is fixed with the upper base 1, the upper end of the driving rod is hinged with the free end of the connecting rod 5, and the driving rod 6 can be stretched and locked and is used for driving the shaft body 3 to rotate so as to swing the traction rod 4. The fixed clamp 7 is rotatably connected and locked with the top of the traction rod 4 by a connecting seat 8, and can encircle the femur of a patient.
The connecting seat 8 comprises a U-shaped seat and a connecting block, the U-shaped seat is fixed to the middle of the fixed clamp 7 and the top of the traction rod 4 respectively, the connecting block extends into the U-shaped seat, a connecting shaft penetrates between the connecting block and the U-shaped seat, threads are arranged at two ends of the connecting shaft, and nuts are screwed to two ends of the connecting shaft for locking after the angle adjustment of the fixed clamp 7 and the traction rod 4 is completed. Make fixed clamp 7 can be in 30 ~ 75 degree range adjustment to adapt to different patients ' angle of bending the leg, fixed clamp 7's length is 10 ~ 40cm, in order to fix fixed clamp 7 on patient's thigh. In the acetabulum fracture operation, the upper base 1 can ensure that the whole device is stably placed on a sickbed and is positioned below the affected limb. Then adjust the height of traction lever 4, make fixed clamp 7 can encircle patient's low limbs, then control actuating lever 6 extension or shrink according to the operation demand, through the change of the 6 length of actuating lever, can make connecting rod 5 drive the axis body 3 and rotate, can drive the swing of traction lever 4 again through the rotation of axis body 3 for fixed clamp 7 can be left or dextrorotation 0 ~ 30, realizes the drive of adduction after abduction to the limbs.
The acetabulum fracture traction device replaces manual traction, is stable in stress, can keep constant pulling or pushing force, does not influence the pulling force of the pulling hook on incised tissues, ensures that the separation space of bones and tissues is unchanged, and enables the operation to be smoothly carried out.
The device is convenient to operate, the shaft body 3 is rotated only through the extension and contraction of the driving rod 6, the traction rod 4 can be driven to swing, the limb abduction or adduction driving operation of a patient is achieved, the shaft body 3 can be locked without changing the locking length of the driving rod 6, and the stability of the limb state is guaranteed.
Wherein, the telescopic part 41 and the driving rod 6 can be locked after the length adjustment, so as to ensure the stability of the using state. Therefore, the telescopic part 41 and the driving rod 6 can be controlled by a cylinder, an electric push rod, etc.
According to one disclosed embodiment, the retainer clip 7 includes an outer retainer ring 71 and an air-filled bladder 73. The outer fixing ring 71 comprises an upper half ring and a lower half ring which can be opened and closed by means of a hinge, a locking part 72 for locking openings of the upper half ring and the lower half ring is further arranged between the upper half ring and the lower half ring, and when the outer fixing ring 71 is used, the outer fixing ring is sleeved on a proper position of a limb, and then the upper half ring is closed and locked with the lower half ring. The filling air bag 73 is positioned in the outer fixing ring 71, an air nozzle of the filling air bag 73 is detachably connected with an inflator, and the filling air bag 73 can encircle the lower limb of the patient after being inflated.
Because different patients are different in body types and are in a leg bending state, in order to enable the fixing clamp 7 to encircle the limbs of the patients, the filling air bag 73 is arranged to make up for the size difference, and the filling air bag 73 is inflated and expanded to fill the gap between the outer fixing ring 71 and the limbs, so that the limbs and the fixing clamp 7 can be kept in a stable fixing state. According to the disclosed embodiment, a circle of fixing groove is formed on the inner wall of the outer fixing ring 71, and the filling air bag 73 is in a strip structure and is positioned in the fixing groove, so that the filling air bag 73 can be prevented from falling off from the outer fixing ring 71.
According to one embodiment of the disclosure, the locking portion 72 includes locking pieces fixed at the opening ends of the upper half ring and the lower half ring, and the locking pieces are overlapped after the outer fixing ring 71 is fastened and locked by nuts after bolts are inserted.
According to a disclosed embodiment, the acetabular fracture distraction device is further capable of distracting the femur distally. The acetabulum fracture traction device further comprises a top plate 9 and a driving mechanism 10, wherein the top plate 9 can be positioned behind the tibia after the fixed hoop 7 encircles the femur of a patient, and the upper end of the top plate 9 can be rotatably connected and locked with the lower part of the far end of the fixed hoop 7 by virtue of a rotating shaft component. The driving mechanism 10 can drive the upper base 1 to move and lock distally to provide traction.
According to one disclosed embodiment, the driving mechanism 10 includes a lower base 101, an adjustment screw 103, and an adjustment block 104. The lower base 101 is arranged below the upper base 1, and the lower base 101 is provided with a mounting groove 102. The adjusting screw 103 is rotatably fixed in the mounting groove 102 by means of a bearing, and the distal end of the adjusting screw 103 extends out of the mounting groove 102 to form a rotary handle. The adjusting block 104 is in threaded connection with the adjusting screw 103 and is fixed with the upper base 1, and the adjusting block 104 can move along with the rotation of the adjusting screw 103.
According to a disclosed embodiment, the rotating shaft assembly comprises a rod body, a ring portion and a first locking nut. The rod body is tangentially fixed below the far end of the fixed hoop 7, and two ends of the rod body are provided with first threaded columns with the diameters smaller than that of the rod body. The ring part is sleeved on the threaded column and fixed on two sides of the upper end of the top plate 9. And the first locking nut is in threaded connection with the first threaded column and used for locking the ring part and the rod body.
According to the disclosed embodiment, the suction cup 11 that can be sucked on the operating table is fixed to the bottom of the lower base 101, so that the device body and the operating table can be stably connected.
The above is only the preferred embodiment of the present invention, and any person can make some simple modifications, deformations and equivalent replacements according to the present invention, all fall into the protection scope of the present invention.
Claims (8)
1. An acetabular fracture distraction device, comprising:
an upper base (1) having a horizontal lower bottom surface;
the bearing seat (2) is fixed on the upper base (1);
the shaft body (3) is assembled on the bearing seat (2);
the traction rod (4) is vertically arranged, the lower end of the traction rod is fixed with one end of the shaft body (3), and the traction rod (4) is provided with a telescopic part (41) capable of adjusting the height of the traction rod;
the connecting rod (5) is of a right-angle structure, and one end of the connecting rod is fixed with the other end of the shaft body (3);
the driving rod (6) is vertically arranged, the lower end of the driving rod is fixed with the upper base (1), the upper end of the driving rod is hinged with the free end of the connecting rod (5), and the driving rod (6) can stretch and lock and is used for driving the shaft body (3) to rotate so as to realize the swinging of the traction rod (4);
the fixing clamp (7) is rotatably connected and locked with the top of the traction rod (4) through a connecting seat (8), and the fixing clamp (7) can encircle the femur of a patient.
2. Acetabular fracture distraction device according to claim 1, characterized in that said fixation clamp (7) comprises:
the outer fixing ring (71) comprises an upper half ring and a lower half ring which can be opened and closed by a hinge, and a locking part (72) for locking the openings of the upper half ring and the lower half ring is arranged between the upper half ring and the lower half ring;
the inflatable limb support is characterized in that the inflatable bag (73) is positioned in the outer fixing ring (71), an air tap of the inflatable bag (73) is detachably connected with an inflator pump, and the inflatable bag (73) can encircle the lower limb of a patient after being inflated and expanded.
3. The acetabular fracture traction device according to claim 2, wherein a circle of fixing grooves are formed in the inner wall of the outer fixing ring (71), and the filling air bag (73) is of a strip-shaped structure and is located in the fixing grooves.
4. The acetabular fracture traction device according to claim 2, wherein the locking part (72) comprises locking plates fixed at the open ends of the upper half ring and the lower half ring, and the locking plates are overlapped after the outer fixing ring (71) is fastened and locked by nuts after bolts are inserted.
5. The acetabular fracture distraction device of claim 1, further comprising:
the top plate (9) can be positioned behind the tibia after the fixed hoop (7) encircles the femur of a patient, and the upper end of the top plate (9) can be rotatably connected and locked with the lower part of the far end of the fixed hoop (7) through a rotating shaft component; and
and a driving mechanism (10) which can drive the upper base (1) to move towards the far end and lock.
6. The acetabular fracture distraction device of claim 5, wherein the shaft assembly comprises:
the rod body is tangentially fixed below the far end of the fixed hoop (7), and two ends of the rod body are provided with first threaded columns with diameters smaller than that of the rod body;
the ring part is sleeved on the threaded column and fixed on two sides of the upper end of the top plate (9); and
and the first locking nut is in threaded connection with the first threaded column and used for locking the ring part and the rod body.
7. An acetabular fracture distraction device according to claim 5, wherein the drive mechanism (10) comprises:
the lower base (101) is arranged below the upper base (1), and the lower base (101) is provided with a mounting groove (102);
the adjusting screw rod (103) is rotatably fixed in the mounting groove (102) by virtue of a bearing, and the far end of the adjusting screw rod (103) extends out of the mounting groove (102) to form a rotating handle; and
and the adjusting block (104) is in threaded connection with the adjusting screw rod (103) and is fixed with the upper base (1), and the adjusting block (104) can rotate along with the adjusting screw rod (103) and move along with the adjusting screw rod.
8. An acetabular fracture traction device according to claim 7, wherein a suction cup (11) capable of being sucked on an operating table is fixed at the bottom of the lower base (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336418.0U CN212015672U (en) | 2020-03-17 | 2020-03-17 | Acetabulum fracture traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336418.0U CN212015672U (en) | 2020-03-17 | 2020-03-17 | Acetabulum fracture traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212015672U true CN212015672U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020336418.0U Active CN212015672U (en) | 2020-03-17 | 2020-03-17 | Acetabulum fracture traction device |
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|---|---|
| CN (1) | CN212015672U (en) |
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- 2020-03-17 CN CN202020336418.0U patent/CN212015672U/en active Active
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