CN110507399B - Directional navigation device for bone traction - Google Patents
Directional navigation device for bone traction Download PDFInfo
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- CN110507399B CN110507399B CN201910793167.0A CN201910793167A CN110507399B CN 110507399 B CN110507399 B CN 110507399B CN 201910793167 A CN201910793167 A CN 201910793167A CN 110507399 B CN110507399 B CN 110507399B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention belongs to the technical field of bone traction, in particular to a directional navigation device for bone traction, and provides a scheme that two groups of symmetrically arranged conflict components comprise conflict discs conflicting with skin and support sleeves used for supporting and fixedly connecting with the conflict discs, and a traction needle used for traction is arranged between the two groups of conflict components; crooked to fixed subassembly, set up support sleeve's outer lane for it is fixed to contradict to patient's crooked position, crooked to fixed subassembly is U type structure. The traction device is convenient for fixing and adjusting the traction position of a patient, improves the opening accuracy of the traction hole, effectively avoids trepanning deviation, improves the trepanning precision, improves the subsequent traction precision, effectively avoids the patient from moving and deviating during traction, enables the traction force to be always kept in a fixed direction, improves the traction effect, and is convenient for nursing wounds.
Description
Technical Field
The invention relates to the technical field of bone traction, in particular to a directional navigation device for bone traction.
Background
In clinical medicine for orthopedics department, bone traction is a common technique. The traditional Chinese medicine composition is mainly suitable for early treatment of hip fracture, femoral fracture, tibial instability fracture, tibial plateau fracture, ankle fracture, mild contracture deformity of hip joint and knee joint, and the like. The medical technology has important clinical significance for reduction and fixation before fracture operation or long-term traction treatment of partial patients.
The existing traction technology is characterized in that when a traction needle is drilled below a calcaneus or a tibial tubercle in the operation process, the position of the drill nail is easy to deflect according to the experience of an operator, tissues such as peripheral vascular nerves and the like are damaged, and meanwhile, the traction force is caused to deflect, so that the lateral and bending swing of a patient is easy to occur in the traction process, the traction effect is influenced, and therefore, a directional navigation device for bone traction is clinically and very needed to ensure the traction effect and the traction safety.
Disclosure of Invention
The invention provides a directional navigation device for bone traction, which solves the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a directional navigation device for bone distraction, comprising: the device comprises two groups of symmetrically arranged collision components, wherein each collision component comprises a collision disk which collides with the skin and a supporting sleeve which is used for supporting and is fixedly connected with the collision disk, and a traction needle which is used for traction is arranged between the two groups of collision components;
the bending direction fixing component is arranged on the outer ring of the support sleeve and used for abutting and fixing the bending position of the patient, and the bending direction fixing component is of a U-shaped structure;
the lateral fixing assembly is arranged on one side, far away from the adjacent contact disc, of the bent fixing assembly and is movably sleeved with the support sleeve;
the traction assembly is arranged on the outer ring of the support sleeve and is of a U-shaped structure, the lateral fixing assembly and the bending fixing assembly are both positioned in the traction assembly, and guide assemblies for guiding are arranged at two ends of the traction assembly;
the locking assembly is arranged on the outer ring of the support sleeve, abuts against the bending direction fixing assembly, the lateral direction fixing assembly and the traction assembly, and is used for fixing and locking the bending direction fixing assembly, the lateral direction fixing assembly and the traction assembly;
and the checking clamping assembly is arranged on the outer ring of the supporting sleeve and is positioned on one side, far away from the adjacent butting disc, of the locking assembly.
Preferably, the support sleeve pipe sets up along its axis array distribution and rather than the passageway of inner circle intercommunication, and the contact block has been cup jointed in the inside slip of passageway, and the conflict dish is kept away from one side of support sleeve pipe and is offered the passageway that stretches into that sets up along its diameter direction, stretches into the equal sliding connection of passageway both sides opening part and has semicircular structure's storage plate, and the storage plate is kept away from one side of support sleeve pipe and is offered the storage tank of arc structure, and the cross section that stretches into the passageway is T type structure.
Preferably, crooked to fixed subassembly include the adjustment mechanism who cup joints with the support sleeve slide, two sets of adjustment mechanisms are with the baffle of the tip fixedly connected with arc structure of one side, the inner circle of baffle is provided with the fixed plate of arc structure, the middle slewing mechanism that fixed plate outer convex surface intermediate position fixedly connected with cup jointed with the baffle activity, middle slewing mechanism's both sides are provided with the tip slewing mechanism with fixed plate outer convex surface sliding connection, the outer convex surface of fixed plate is seted up two sets of spouts that set up along its length direction, and the inside sliding connection of spout has the slider with adjacent tip slewing mechanism articulated.
Preferably, the fixed subassembly of side direction includes elongated structure's base plate, and the waist hole that sets up along its length direction is seted up to the base plate, and the waist hole cup joints with the support sleeve activity, and the draw-in groove that sets up along its surrounding direction equidistance is seted up to the inner circle in waist hole, and the boss with the elongated structure of base plate rigid coupling is all installed to waist hole both ends opening part, and the fixed subassembly of side direction is unanimous with adjustment mechanism structure.
Preferably, the traction assembly comprises a hanging plate arranged along the length direction of the supporting sleeve, an installation channel arranged along the length direction is formed in one side of the hanging plate, an adjusting rod arranged along the length direction is sleeved on the inner portion of the installation channel in a movable mode, two groups of movable plates arranged along the length direction are sleeved on the outer ring of the hanging plate in a sliding mode, a through hole penetrating through the movable plates is formed in one end, away from the hanging plate, of each movable plate, the supporting sleeve is located in an inner ring of the through hole, a connecting block distributed along the axis array of the connecting block is fixedly connected between the outer ring of the supporting sleeve and the inner ring of the through hole, a butt joint hole in sliding sleeved connection with the outer ring of the hanging plate is formed in one end, close to the hanging plate, of each movable plate.
Preferably, the guide subassembly includes the pivot that cup joints with the movable plate activity, and the both ends that the movable plate was stretched out in the pivot are all fixed to be cup jointed and are extended the board, and two sets of extension board parallel arrangement, and one side sliding connection that two sets of extension boards are close to each other has the board of placing of the U type structure of removing along its length direction, and the outer lane of placing the board is provided with the tip that U type structure and blocks the frame, and the tip blocks the frame and extends the one end fixed connection that the pivot was kept away from to the board.
Preferably, the locking subassembly includes the lantern ring of contradicting with adjacent movable plate, the lantern ring is close to one side rigid coupling of adjacent movable plate and has the butt joint sleeve pipe of coaxial setting, the joint passageway along its axis array distribution is seted up to the butt joint sleeve pipe outer lane, and the quantity and the width of joint passageway and the quantity and the width of connecting block are unanimous, the outer lane rigid coupling of joint passageway has the latch along its axis array distribution, and latch and draw-in groove joint, the mounting groove along its axis array distribution is seted up to the lantern ring one side of keeping away from the butt joint sleeve pipe, the extrusion piece of trapezium structure has been cup jointed in the inside slip of mounting groove.
Preferably, the checking clamping assembly comprises a fastening lantern ring in threaded sleeve connection with the outer ring of the supporting sleeve, one side, close to the adjacent locking assembly, of the fastening lantern ring is connected with an adjusting lantern ring in an annular structure in a sliding mode, and the inner ring of the adjusting lantern ring is in threaded connection with the extrusion block.
Preferably, the middle rotating mechanism comprises an adjusting sleeve movably sleeved with the baffle, a push rod fixedly connected with the fixed plate is sleeved on an inner ring of one end, close to the fixed plate, of the adjusting sleeve in a threaded manner, and the structure of the middle rotating mechanism is consistent with that of the end rotating mechanism.
In the present invention,
the traction position of a patient can be conveniently and fixedly adjusted through the arranged traction assembly, the movable plate, the through hole, the connecting block, the butt joint hole, the butt joint block, the hanging plate, the mounting channel and the adjusting rod, and the traction device is suitable for traction fixation at different positions;
through the arranged conflict assembly, the supporting sleeve, the conflict disc, the channel, the contact block, the stretching channel, the storage groove, the checking and clamping assembly, the fastening sleeve ring and the adjusting sleeve ring, the movement of the drill bit is axially limited, the drill bit is prevented from deflecting in operation, the opening accuracy of the traction hole is improved, the drill bit is guided and limited when the traction hole is opened, the deviation of the drilled hole is effectively avoided, the accuracy of the drilled hole is improved, the subsequent traction accuracy is improved, and the wound is conveniently nursed;
the lateral swing of a patient is limited by the arranged bending direction fixing component, the adjusting mechanism, the baffle plate, the fixing plate, the middle rotating mechanism, the end rotating mechanism, the sliding chute, the lateral fixing component, the base plate, the lug boss, the waist hole and the clamping groove, so that the patient is fixed, the movement deflection of the patient during traction is effectively avoided, the traction force is always kept in a fixed direction, and the traction effect is improved;
to sum up this design convenience is fixed the regulation to patient's traction position, conveniently carries out axial restriction to the motion of suffering from the drill bit, prevents that the drill bit from inclining in the operation, improves the accuracy that the traction hole was opened, guide the restriction to the drill bit when opening the traction hole, effectively avoid the trompil skew, improve the precision of trompil, improve follow-up traction accuracy, restriction patient side direction swing, fix the patient, the effectual patient of avoiding removes the skew when pulling, make the dynamics of pulling remain throughout in fixed direction, improve and pull the effect, the convenience is nursed the wound.
Drawings
FIG. 1 is a schematic structural diagram of an orientation navigation device for bone distraction according to the present invention;
FIG. 2 is a schematic structural diagram of a moving plate of a directional navigation device for bone distraction according to the present invention;
FIG. 3 is a schematic structural view of a guiding device for bone distraction according to the present invention bending to a fixing component;
FIG. 4 is a schematic structural diagram of a guiding assembly of an orientation guidance device for bone distraction according to the present invention;
FIG. 5 is a schematic structural view of a hanging plate of the directional navigation device for bone distraction according to the present invention;
FIG. 6 is a schematic structural view of a lateral fixation assembly of an oriented navigation device for bone distraction according to the present invention;
FIG. 7 is a partially enlarged schematic structural view of an orientation navigation device for bone distraction according to the present invention;
FIG. 8 is a schematic structural view of a directional navigation device lock assembly for bone distraction according to the present invention;
fig. 9 is a schematic structural diagram of a contact plate of a directional navigation device for bone distraction according to the present invention.
In the figure: 1 abutting assembly, 101 supporting sleeve, 102 abutting disc, 103 channel, 104 contact block, 105 extending into channel, 107 storage groove, 2 bending direction fixing assembly, 201 adjusting mechanism, 202 baffle, 203 fixing plate, 204 middle rotating mechanism, 205 end rotating mechanism, 206 sliding groove, 3 side fixing assembly, 301 base plate, 302 boss, 303 kidney hole, 304 clamping groove, 4 traction assembly, 401 moving plate, 402 through hole, 403 connecting block, 405 butt joint hole, 406 butt joint block, 407 hanging plate, 408 mounting channel, 409 adjusting rod, 5 guide assembly, 501 rotating shaft, 502 extending plate, 504 placing plate, 505 end blocking frame, 6 locking assembly, 601 loop, 602 abutting sleeve, 603 clamping channel, 604 latch, 605 mounting groove, 606 extrusion block, 7 verification clamping assembly, fastening loop 701, 702 adjusting loop.
Detailed Description
The technical solutions in the embodiments of the present invention will be 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 only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-9, a directional navigation device for bone distraction, comprising: the device comprises two groups of symmetrically arranged collision components 1, wherein each collision component 1 comprises a collision disk 102 which collides with the skin and a supporting sleeve 101 which is used for supporting and is fixedly connected with the collision disk 102, and a traction needle 8 which is used for traction is arranged between the two groups of collision components 1;
the bending direction fixing component 2 is arranged on the outer ring of the supporting sleeve 101 and used for abutting and fixing the bending position of the patient, and the bending direction fixing component 2 is of a U-shaped structure;
the lateral fixing component 3 is arranged on one side, away from the adjacent contact disc 102, of the bending direction fixing component 2, and the lateral fixing component 3 is movably sleeved with the support sleeve 101;
the traction assembly 4 is arranged on the outer ring of the support sleeve 101, the traction assembly 4 is of a U-shaped structure, the lateral fixing assembly 3 and the bending fixing assembly 2 are both positioned inside the traction assembly 4, and two ends of the traction assembly 4 are both provided with guide assemblies 5 for guiding;
the locking assembly 6 is arranged on the outer ring of the supporting sleeve 101, and the locking assembly 6 is abutted against the bending direction fixing assembly 2, the lateral direction fixing assembly 3 and the traction assembly 4 and is used for fixing and locking the bending direction fixing assembly 2, the lateral direction fixing assembly 3 and the traction assembly 4;
and the verification clamping assembly 7 is arranged on the outer ring of the support sleeve 101, and the verification clamping assembly 7 is positioned on one side, away from the adjacent abutting disk 102, of the locking assembly 6.
Furthermore, the supporting sleeve 101 is provided with channels 103 which are distributed along the axis array and are communicated with the inner ring of the supporting sleeve 101, the inside of the channel 103 is slidably sleeved with a contact block 104, one side of the contact disc 102, which is far away from the supporting sleeve 101, is provided with an extending channel 105 which is arranged along the diameter direction of the supporting sleeve, openings at two sides of the extending channel 105 are both slidably connected with storage plates 106 with semicircular structures, one side of the storage plates 106, which is far away from the supporting sleeve 101, is provided with storage grooves 107 with arc structures, and the cross section of the extending channel 105 is of a T-shaped structure;
one end of the contact block 104 close to the axis of the support sleeve 101 is provided with an interference groove with a circular arc structure, and the axis of the interference groove is parallel to the axis of the support sleeve 101.
Particularly, the bending direction fixing component 2 comprises adjusting mechanisms 201 which are sleeved with the slide ways of the supporting sleeve 101, two groups of adjusting mechanisms 201 are fixedly connected with baffle plates 202 of arc structures at the end parts of the same sides, fixing plates 203 of arc structures are arranged at the inner rings of the baffle plates 202, middle rotating mechanisms 204 which are movably sleeved with the baffle plates 202 are fixedly connected at the middle positions of the outer convex surfaces of the fixing plates 203, end rotating mechanisms 205 which are connected with the outer convex surfaces of the fixing plates 203 in a sliding mode are arranged at the two sides of the middle rotating mechanisms 204, two groups of sliding grooves 206 which are arranged along the length direction of the outer convex surfaces of the fixing plates 203 are formed in the outer convex surfaces of the fixing plates 203.
It should be noted that the lateral fixing component 3 includes a substrate 301 with a long strip structure, the substrate 301 is provided with a waist hole 303 along the length direction thereof, the waist hole 303 is movably sleeved with the supporting sleeve 101, an inner ring of the waist hole 303 is provided with slots 304 equidistantly arranged along the surrounding direction thereof, openings at two ends of the waist hole 303 are both provided with a boss 302 with a long strip structure fixedly connected with the substrate 301, and the lateral fixing component 3 and the adjusting mechanism 201 have the same structure.
In addition, the traction assembly 4 comprises a hanging plate 407 arranged along the length direction of the support sleeve 101, one side of the hanging plate 407 is provided with an installation channel 408 arranged along the length direction, the interior of the installation channel 408 is movably sleeved with an adjusting rod 409 arranged along the length direction, the outer ring of the hanging plate 407 is slidably sleeved with two groups of moving plates 401 symmetrically arranged along the hanging plate 407, one end of the moving plate 401, which is far away from the hanging plate 407, is provided with a through hole 402 penetrating through the moving plate 401, the support sleeve 101 is positioned at the inner ring of the through hole 402, connecting blocks 403 distributed along the axis array are fixedly connected between the outer ring of the support sleeve 101 and the inner ring of the through hole 402, one end of the moving plate 401, which is close to the hanging plate 407, is provided with a butt joint hole 405 slidably sleeved with the outer ring of the hanging plate 407, and the inner side;
the outer ring of the adjusting rod 409 is provided with external threads symmetrically arranged along the middle position of the adjusting rod 409, the inside of the adjusting rod 409 is fixedly sleeved with a rotating rod movably sleeved with the hanging plate 407, one end of the rotating rod extending out of the hanging plate 407 is sleeved with a fastening nut, and the outer side of the hanging plate 407 is welded with a hanging ring.
In addition, the guiding assembly 5 comprises a rotating shaft 501 movably sleeved with the moving plate 401, the two ends of the rotating shaft 501 extending out of the moving plate 401 are fixedly sleeved with extension plates 502, the two sets of extension plates 502 are arranged in parallel, one side, close to each other, of each of the two sets of extension plates 502 is connected with a placing plate 504 of a U-shaped structure moving along the length direction of the placing plate in a sliding mode, an end blocking frame 505 of the U-shaped structure is arranged on the outer ring of the placing plate 504, and the end blocking frame 505 is fixedly connected with one end, far away from the rotating shaft 501, of;
a placing seat is fixedly connected to the inner frame of the placing plate 504, and binding bands for binding are fixedly connected to both ends of the placing seat.
The first embodiment is as follows:
Example two:
the verification clamping assembly 7 comprises a fastening collar 701 in threaded socket connection with the outer ring of the support sleeve 101, one side of the fastening collar 701 close to the adjacent locking assembly 6 is slidably connected with an adjusting collar 702 in an annular structure, and the inner ring of the adjusting collar 702 is in threaded connection with the squeezing block 606.
Example three:
the middle rotating mechanism 204 comprises an adjusting sleeve movably sleeved with the baffle 202, a push rod fixedly connected with the fixing plate 203 is sleeved on an inner ring thread of one end of the adjusting sleeve close to the fixing plate 203, and the structure of the middle rotating mechanism 204 is consistent with that of the end rotating mechanism 205.
The working principle is as follows:
the two groups of abutting discs 102 on the abutting assemblies 1 are attached to the skin of a patient from two sides of the position of the patient to be pulled, then the rotating rod fixedly sleeved on the adjusting rod 409 is rotated, the two groups of moving plates 401 move towards the direction close to each other under the action of threads, the moving plates 401 drive the supporting sleeves 102 to move, then the abutting discs 102 abut against the skin of the patient, and the pulling position of the patient is conveniently and fixedly adjusted;
when the traction hole is opened, the extension plate 502 on the guide assembly 5 is rotated to keep the extension plate 502 and the moving plate 401 in a vertical state, then the drilling equipment for drilling is placed on the placing seat of the placing plate 504 and fixed through binding, then a drill bit for drilling extends into the support sleeve 101 from the inner ring, when the drill bit is calibrated, the adjusting sleeve ring 702 positioned at the outer ring of the support sleeve 101 is rotated, the adjusting sleeve ring 702 drives the extrusion block 606 to move along the length direction under the action of threads, then the extrusion block 606 pushes the contact block 104 to move along the diameter direction of the support sleeve 101, so that the contact block 104 is abutted against the outer ring of the drill bit, the movement of the drill bit is axially limited, the drill bit is prevented from deflecting during operation, the accuracy of opening the traction hole is improved, the drill bit is guided and limited when the traction hole is opened, the deviation of the drilling is effectively avoided, the accuracy of hole opening is improved, and the subsequent traction accuracy is improved;
after the opening of the traction hole is finished, a traction needle 8 for traction is inserted from one of the support sleeves 101 of the abutting assembly 1, then penetrates through the traction hole to be inserted into the other support sleeve 101, when the crooked part of a patient needs to be fixed, the adjusting lantern ring 702 and the fastening lantern ring 701 are screwed out from the outer ring of the support sleeve 101 in a rotating mode, meanwhile, the locking assembly 6 is pulled out, then the adjusting mechanism 201 is bent towards the fixing assembly 2 in a rotating mode, the baffle plate 202 is located right above the bent part such as a knee and right below a heel, then the adjusting mechanism 201 is pushed to move, the fixing plate 203 is abutted against the bent part, then the adjusting sleeves on the middle rotating mechanism 204 and the end rotating mechanism 205 are rotated, the push rod pushes the fixing plate 203 to move, the fixing plate 203 is bent to be attached to the bent part of the patient, and the fixing of the bent part of the patient is finished; similarly, the lateral fixing component 3 slides along the supporting sleeve 101, and the lateral fixing component 3 is attached along the length direction of the patient from the lateral direction, so that the base plate 301 is positioned at the side edge of the patient, the lateral swing of the patient is limited, the patient is effectively prevented from moving and deflecting during traction, the traction force is always kept in a fixed direction, and the traction effect is improved;
when the patient is fixed, the butt joint sleeve 602 of the locking assembly 6 is inserted from the through hole 402 on the moving plate 401, the butt joint pipe 602 sequentially penetrates through the moving plate 401, the lateral fixing assembly 3 and the bending direction fixing assembly 2 and then abuts against the abutting disc 102, then the adjusting sleeve ring 702 and the fastening sleeve ring 701 are sequentially sleeved on the outer ring of the supporting sleeve 101, the fastening sleeve ring 701 is screwed to be fixed with the supporting sleeve 101, so that the fixed connection of the patient is completed, and a pulling rope for pulling is hung on a hanging ring on the hanging plate 407;
when dressing change is needed, the rotating rod on the adjusting rod 409 is rotated to reduce the clamping force between the two groups of the contact discs 102, so that the two groups of the contact discs 102 move to positions far away from each other, and the wound positions are disinfected by the disinfection cotton; then the storage plate 106 on the abutting disc 102 is rotated, then the storage plate 106 extends out of the extending channel 105, the medical cotton on the storage groove 107 is drawn out and replaced, and then the medical cotton is fixedly installed again according to the clamping method, so that the wound is convenient to nurse;
this design is convenient to fix the regulation to patient's traction position, thereby carry out the axial restriction to the motion of drill bit, prevent that the drill bit from inclining in the moving, improve the accuracy that the traction hole was opened, guide the restriction to the drill bit when opening the traction hole, effectively avoid the trompil skew, improve the precision of trompil, improve follow-up precision of pulling, restriction patient side direction swing, fix the patient, the effectual patient of avoiding removes the skew when pulling, make the dynamics of pulling remain throughout in fixed direction, improve and pull the effect, the convenience is nursed the wound.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A directional navigation device for bone distraction, comprising: the skin-care device comprises two groups of symmetrically arranged collision assemblies (1), wherein each collision assembly (1) comprises a collision disc (102) which collides with the skin and a supporting sleeve (101) which is used for supporting and is fixedly connected with the collision disc (102), and a traction needle (8) which is used for traction is arranged between the two groups of collision assemblies (1);
the bending direction fixing component (2) is arranged on the outer ring of the supporting sleeve (101) and used for abutting and fixing the bending position of a patient, and the bending direction fixing component (2) is of a U-shaped structure;
the lateral fixing component (3) is arranged on one side, far away from the adjacent contact disc (102), of the bending direction fixing component (2), and the lateral fixing component (3) is movably sleeved with the supporting sleeve (101);
the traction assembly (4) is arranged on the outer ring of the support sleeve (101), the traction assembly (4) is of a U-shaped structure, the lateral fixing assembly (3) and the bending fixing assembly (2) are both positioned in the traction assembly (4), and two ends of the traction assembly (4) are both provided with guide assemblies (5) for guiding;
the locking assembly (6) is arranged on the outer ring of the supporting sleeve (101), and the locking assembly (6) is abutted against the bending direction fixing assembly (2), the lateral direction fixing assembly (3) and the traction assembly (4) and is used for fixing and locking the bending direction fixing assembly (2), the lateral direction fixing assembly (3) and the traction assembly (4);
the verifying clamping assembly (7) is arranged on the outer ring of the supporting sleeve (101), and the verifying clamping assembly (7) is positioned on one side, away from the adjacent contact disc (102), of the locking assembly (6);
the bending direction fixing component (2) comprises adjusting mechanisms (201) which are sleeved with a supporting sleeve (101) slide way, two groups of adjusting mechanisms (201) are fixedly connected with baffle plates (202) with arc structures at the end parts of the same side, fixing plates (203) with arc structures are arranged on the inner rings of the baffle plates (202), middle rotating mechanisms (204) which are movably sleeved with the baffle plates (202) are fixedly connected with the middle positions of outer convex surfaces of the fixing plates (203), end rotating mechanisms (205) which are connected with the outer convex surfaces of the fixing plates (203) in a sliding mode are arranged on the two sides of the middle rotating mechanisms (204), two groups of sliding grooves (206) which are arranged along the length direction of the outer convex surfaces of the fixing plates (203) are formed in a sliding mode, and sliding blocks which are hinged with the.
2. The directional navigation device for bone traction according to claim 1, wherein the support sleeve (101) is provided with channels (103) which are distributed along the axis array and communicated with the inner ring of the support sleeve, the inside of each channel (103) is slidably sleeved with a contact block (104), one side of the contact disc (102) far away from the support sleeve (101) is provided with an extending channel (105) which is arranged along the diameter direction of the contact disc, openings at two sides of the extending channel (105) are both slidably connected with storage plates (106) of a semicircular structure, one side of each storage plate (106) far away from the support sleeve (101) is provided with a storage groove (107) of an arc structure, and the cross section of each extending channel (105) is of a T-shaped structure.
3. The directional navigation device for bone distraction according to claim 1, wherein the lateral fixing component (3) comprises a base plate (301) with a long strip-shaped structure, the base plate (301) is provided with a waist hole (303) arranged along the length direction of the base plate, the waist hole (303) is movably sleeved with the support sleeve (101), the inner ring of the waist hole (303) is provided with clamping grooves (304) equidistantly arranged along the surrounding direction of the waist hole, the openings at two ends of the waist hole (303) are both provided with bosses (302) with long strip-shaped structures fixedly connected with the base plate (301), and the lateral fixing component (3) is consistent with the structure of the adjusting mechanism (201).
4. The directional navigation device for bone traction according to claim 1, wherein the traction assembly (4) comprises a hanging plate (407) arranged along the length direction of the support sleeve (101), one side of the hanging plate (407) is provided with an installation channel (408) arranged along the length direction of the hanging plate, an adjusting rod (409) arranged along the length direction of the installation channel (408) is movably sleeved inside the installation channel (408), the outer ring of the hanging plate (407) is slidably sleeved with two groups of moving plates (401) symmetrically arranged along the hanging plate, one end of the moving plate (401) far away from the hanging plate (407) is provided with a through hole (402) penetrating through the moving plate (401), the support sleeve (101) is located at the inner ring of the through hole (402), connecting blocks (403) distributed along the axis array are fixedly connected between the outer ring of the support sleeve (101) and the inner ring of the through hole (402), one end of the moving plate (401) close to the hanging plate (407) is provided with a butt joint slidably sleeved with the outer The inner side walls of two opposite sides of the hole (405) are fixedly connected with butt-joint blocks (406) which are in butt joint with the outer ring of the adjusting rod (409) through threads.
5. The directional navigation device for bone traction according to claim 1, wherein the guide assembly (5) comprises a rotating shaft (501) movably sleeved with the moving plate (401), the two ends of the rotating shaft (501) extending out of the moving plate (401) are fixedly sleeved with extension plates (502), the two sets of extension plates (502) are arranged in parallel, one side of the two sets of extension plates (502) close to each other is slidably connected with a placing plate (504) of a U-shaped structure moving along the length direction of the placing plate, the outer ring of the placing plate (504) is provided with an end blocking frame (505) of the U-shaped structure, and the end blocking frame (505) is fixedly connected with one end of the extension plate (502) far away from the rotating shaft (501).
6. An orientation navigation device for bone distraction according to claim 1, the locking assembly (6) comprises a lantern ring (601) which is abutted against the adjacent moving plate (401), one side of the lantern ring (601) close to the adjacent moving plate (401) is fixedly connected with a coaxially arranged butt joint sleeve (602), the outer ring of the butt joint sleeve (602) is provided with clamping channels (603) distributed along the axis array, the number and the width of the clamping channels (603) are consistent with those of the connecting blocks (403), the outer ring of each clamping channel (603) is fixedly connected with clamping teeth (604) distributed along the axis in an array manner, and latch (604) and draw-in groove (304) joint, mounting groove (605) along its axis array distribution are seted up to the one side of lantern ring (601) keeping away from butt joint sleeve pipe (602), and the extrusion piece (606) of trapezium structure is cup jointed in the inside slip of mounting groove (605).
7. An orientation guide device for bone distraction according to claim 1, wherein the verification clamping component (7) comprises a fastening collar (701) which is in threaded socket connection with the outer ring of the support sleeve (101), one side of the fastening collar (701) close to the adjacent locking component (6) is slidably connected with an adjusting collar (702) with an annular structure, and the inner ring of the adjusting collar (702) is in threaded connection with the squeezing block (606).
8. The directional navigation device for bone distraction according to claim 1, wherein the intermediate rotating mechanism (204) comprises an adjusting sleeve movably sleeved with the baffle (202), a push rod fixedly connected with the fixing plate (203) is sleeved on an inner ring thread of one end of the adjusting sleeve close to the fixing plate (203), and the intermediate rotating mechanism (204) and the end rotating mechanism (205) are consistent in structure.
Priority Applications (1)
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| HU3082U (en) * | 2005-05-24 | 2006-04-28 | Istvan Dr Kadas | Device for covered screwing of shortening fractures |
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| CN208958234U (en) * | 2018-09-11 | 2019-06-11 | 漯河医学高等专科学校第二附属医院（漯河市第五人民医院）（漯河市骨科医院） | Artery vessels punctuation hemostasis device |
| CN109646193B (en) * | 2018-12-26 | 2020-06-05 | 河南科技大学第一附属医院 | Moving bed for femoral artery puncture operation |
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| CN88211070U (en) * | 1988-02-01 | 1988-11-23 | 张学康 | Bayonet rotary steadite needle traction arch |
| JPH03244446A (en) * | 1988-12-27 | 1991-10-31 | E Marlowe Goble | Drill guide |
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| CN110507399A (en) | 2019-11-29 |
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