CN214208470U - Four-in-one nailing device - Google Patents
Four-in-one nailing device Download PDFInfo
- Publication number
- CN214208470U CN214208470U CN202022575715.3U CN202022575715U CN214208470U CN 214208470 U CN214208470 U CN 214208470U CN 202022575715 U CN202022575715 U CN 202022575715U CN 214208470 U CN214208470 U CN 214208470U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- connecting sleeve
- thread
- opening
- installed inside
- 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
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model relates to the field of medical equipment, concretely relates to four unification are followed closely ware. The utility model provides a four-in-one nailing device, which comprises a hole-opening needle, a hole-opening sleeve, a thread sleeve, a connecting sleeve, an adjusting sleeve and a wrench rod; the tapping needle is installed inside the opening sleeve, the opening sleeve is installed inside the threaded sleeve, the threaded sleeve is installed inside the connecting sleeve, the left part of the connecting sleeve is installed inside the adjusting sleeve, the left plane of the adjusting sleeve is in contact with the right plane of the wrench rod, the tapping needle penetrates through the wrench rod, and all components are concentrically arranged. The utility model provides a pair of four unification are followed closely the ware, will puncture the location, insert seal wire, tapping and go up the nail and concentrate on an instrument, reduce frequent instrument transmission in the operation, reduce the operation degree of difficulty, promote doctor's work efficiency.
Description
Technical Field
The utility model relates to the field of medical equipment, concretely relates to four unification are followed closely ware.
Background
The use of spinal fixation techniques has been in existence for decades. At present, spinal internal fixation devices are mostly adopted to fix unstable vertebral bodies after spinal trauma, spondylolisthesis, degenerative diseases and other single-segment or multi-segment fractures. The types of the fixator in the market are more, but most of the fixators consist of other corresponding components such as unidirectional pedicle screws, universal pedicle screws, connecting rods and the like.
Chinese patent publication No. CN104688326A discloses a pedicle screw feeder, which comprises a screw feeding rod, a screw feeding sleeve, a direction sheath, a screwing nut, an anti-withdrawal knob, a locking snap button, and a spring. The head of the upper screw rod is provided with a connector connected with the pedicle screw, the upper screw rod is respectively designed into a T shape and a straight shape according to the connection with the one-way pedicle screw and the universal pedicle screw, the middle of the upper screw rod is provided with a positive 8-direction screw matched with the locking snap button, the anti-withdrawal knob can be directly pushed forwards at any angle in use to lock the pedicle screw, and the tail of the upper screw rod is provided with a quick-change connector which can be connected with a T-shaped quick-change handle or a straight quick-change handle according to the needs of doctors in the operation. When the pedicle screw screwing device is used by a worker, a universal pedicle screw or a single pedicle screw can be connected to the connector, then the direction sheath is held by the hand, and the universal pedicle screw or the single pedicle screw at the head is driven to rotate through the rotation of the T-line quick-change handle or the straight-line quick-change handle, so that the screw is screwed in.
However, in actual operation, before using the pedicle screw nailing device, the staff still needs to drill and position the actual fixed position of the screw through the guide pin or spinal biopsy so as to stably screw in the screw.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a four-in-one nailing device, which comprises a hole-opening needle, a hole-opening sleeve, a thread sleeve, a connecting sleeve, an adjusting sleeve and a spanner rod; the tapping needle is installed inside the opening sleeve, the opening sleeve is installed inside the threaded sleeve, the threaded sleeve is installed inside the connecting sleeve, the left part of the connecting sleeve is installed inside the adjusting sleeve, the left plane of the adjusting sleeve is in contact with the right plane of the wrench rod, the tapping needle penetrates through the wrench rod, and all components are concentrically arranged.
As a preferred technical scheme, the end part of the hole-opening needle is provided with a limiting block.
As a preferable technical scheme, a plurality of limiting grooves are formed in the middle of the opening sleeve, the size of each limiting groove is matched with the corresponding limiting block, and corresponding scales are arranged on the back sides of the limiting grooves; an inner hole is formed in the opening sleeve and is communicated with the limiting groove; the opening sleeve is provided with a section of first external thread on the right side of the limiting groove.
As a preferred technical scheme, two flat wire bosses are symmetrically arranged at the left end of the threaded sleeve, and second external threads are arranged on the flat wire bosses; a mark scale is arranged on the right side of the threaded sleeve; a section of first internal thread is arranged on the right side of the mark scale.
As a preferable technical scheme, the left half part of the connecting sleeve is symmetrically provided with two open slots, the width of each open slot is matched with the width of the bottom of the flat wire boss, and the left half part of the connecting sleeve is also provided with a limit slot; a circle of flange is arranged at the middle part of the connecting sleeve, and six positioning grooves are symmetrically arranged on the left side plane of the flange; an observation window is arranged on the right side of the connecting sleeve, scales which are sequentially increased from right to left are arranged on the observation window, and the scales are preferably set to be 25, 20, 15, 10, 5 and 0.
As a preferable technical scheme, a second internal thread is arranged inside the adjusting sleeve; and two ends of the adjusting sleeve are respectively provided with a spring positioning pin.
As an optimal technical scheme, the wrench rod is hollow, a fixing clamping groove and a fixing bolt are arranged in the middle of the wrench rod, a positioning pin and a positioning screw are arranged at the tail of the wrench rod, and the positioning pin is matched with the limiting groove in the connecting sleeve.
As a preferred technical solution, the first external thread on the split sleeve and the first internal thread on the thread sleeve are matched.
As a preferred technical solution, the second external thread on the threaded sleeve is matched with the second internal thread on the adjusting sleeve.
As a preferable technical scheme, a round handle or a T-shaped handle is arranged at the right end of the connecting sleeve.
Has the advantages that:
(1) reducing frequent tool transfers during surgery; the utility model provides a pair of four unification are followed closely the ware, will puncture the location, insert seal wire, tapping and go up the nail and concentrate on an instrument, reduce frequent instrument transmission in the operation, reduce the operation degree of difficulty, promote doctor's work efficiency.
(2) The operation time is saved, the wound exposure infection risk of a patient is reduced, the health damage of medical care personnel is greatly reduced, and meanwhile, the purpose of the operation can be accurately, quickly and effectively achieved.
(3) The accuracy of operation is improved, the length of the trepanning needle extending out relative to the pedicle screw is determined through the scales on the opening sleeve, the length of the pedicle screw entering the pedicle bone is determined through the scales on the connecting sleeve, the length of the trepanning needle advancing is determined through the spring positioning pin on the adjusting sleeve, and the operation process is accurately judged so as to realize more accurate operation.
Drawings
Fig. 1 is a schematic structural view of a four-in-one nailing device provided by the present invention;
FIG. 2 is a schematic view of a vented needle configuration;
FIG. 3 is a schematic diagram of the front structure of the open sleeve;
FIG. 4 is a schematic view of the reverse side of the open sleeve;
FIG. 5 is a schematic view of a threaded bushing side mechanism;
FIG. 6 is a schematic view of the front structure of the thread bush;
FIG. 7 is a schematic view of a connecting sleeve structure;
FIG. 8 is a schematic side view of the connecting sleeve;
FIG. 9 is a schematic view of an adjustment sleeve configuration;
FIG. 10 is a schematic view of a wrench stem configuration;
FIG. 11 is a diagram of a four-in-one usage status provided by the present invention;
the device comprises a tapping needle, a tapping sleeve, a 3-thread sleeve, a 4-connecting sleeve, a 5-adjusting sleeve, a 6-wrench rod, a 7-limiting block, a 8-limiting groove, a 9-flat wire boss, a 10-marking scale, an 11-open groove, a 12-limiting groove, a 13-flange, a 14-positioning groove, a 15-observation window, a 16-spring positioning pin, a 17-fixing clamping groove, an 18-fixing bolt, a 19-positioning pin, a 20-positioning screw, a 21-first external thread, a 22-first internal thread, a 23-second external thread and a 24-second internal thread, wherein the tapping needle is arranged at the 1-tapping needle, the 2-tapping sleeve, the 3-thread sleeve, the 4-connecting sleeve, the 5-adjusting sleeve and the 13-wrench rod.
Detailed Description
The disclosure may be further understood in conjunction with the following detailed description of preferred embodiments of the invention and the examples included.
In this document, relational terms such as first, second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a component, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such component, apparatus, or device.
The meaning of "inside and outside" in the present invention means that the direction of the inside of the pointing device is inside and vice versa for the device itself, rather than being specifically limited to the mechanism of the device of the present invention.
The utility model discloses in the meaning of "left and right" indicate that the reader is just when the drawing, the left side of reader is left promptly, and the right of reader is right promptly, and is not right the utility model discloses a specific limited of device mechanism.
When describing embodiments of the present application, the use of "preferred," "preferably," "more preferred," etc. means that the subject technology can provide certain benefits under certain circumstances. However, other solutions may be preferred, under the same or other circumstances. In addition, the expression of one or more preferred solutions does not imply that other solutions are not available, nor is it intended to exclude other solutions from the scope of the invention.
The utility model provides a four-in-one nailing device, which comprises a hole-opening needle, a hole-opening sleeve, a thread sleeve, a connecting sleeve, an adjusting sleeve and a wrench rod; the tapping needle is installed inside the opening sleeve, the opening sleeve is installed inside the threaded sleeve, the threaded sleeve is installed inside the connecting sleeve, the left part of the connecting sleeve is installed inside the adjusting sleeve, the left plane of the adjusting sleeve is in contact with the right plane of the wrench rod, the tapping needle penetrates through the wrench rod, and all components are concentrically arranged.
In some preferred embodiments, the end of the hole needle is provided with a limiting block.
In some preferred embodiments, the middle part of the opening sleeve is provided with a plurality of limiting grooves, the size of each limiting groove is matched with the corresponding limiting block, and the back sides of the limiting grooves are provided with corresponding scales; an inner hole is formed in the opening sleeve and is communicated with the limiting groove; the opening sleeve is provided with a section of first external thread on the right side of the limiting groove.
In some preferred embodiments, two flat wire bosses are symmetrically arranged at the left end of the thread bushing, and second external threads are arranged on the flat wire bosses; a mark scale is arranged on the right side of the threaded sleeve; a section of first internal thread is arranged on the right side of the mark scale.
In some preferred embodiments, the left half part of the connecting sleeve is symmetrically provided with two open grooves, the width of each open groove is matched with the width of the bottom of the flat wire boss, and the left half part of the connecting sleeve is also provided with a limit groove; a circle of flange is arranged at the middle part of the connecting sleeve, and six positioning grooves are symmetrically arranged on the left side plane of the flange; an observation window is arranged on the right side of the connecting sleeve, scales which are sequentially increased from right to left are arranged on the observation window, and the scales are preferably set to be 25, 20, 15, 10, 5 and 0.
In some preferred embodiments, the adjusting sleeve is internally provided with a second internal thread; and two ends of the adjusting sleeve are respectively provided with a spring positioning pin.
In some preferred embodiments, the wrench rod is hollow, the middle part of the wrench rod is provided with a fixing clamping groove and a fixing bolt, the tail part of the wrench rod is provided with a positioning pin and a positioning screw, and the positioning pin is matched with the limiting groove on the connecting sleeve.
In some preferred embodiments, the first external thread on the split sleeve and the first internal thread on the threaded sleeve cooperate.
In some preferred embodiments, the second external thread on the threaded sleeve and the second internal thread on the adjustment sleeve cooperate.
In some preferred embodiments, the right end of the connecting sleeve is provided with a round handle or a T-shaped handle.
The installation method comprises the following steps:
(1) according to the length specification of the nail measured before the operation, the perforating needle 1 is arranged in an inner hole of the opening sleeve 2, and the limiting block 7 is arranged in a limiting groove 8 corresponding to the corresponding scale;
(2) screwing the assembled opening sleeve 2 into the right inner hole of the threaded sleeve 3 and screwing;
(3) the assembled threaded sleeve 3 is installed from the left side of the connecting sleeve 4, and the flat wire boss 9 of the threaded sleeve 3 is matched with the opening groove 11 of the connecting sleeve 4 to the bottom of the opening groove 11;
(4) screwing the assembled connecting sleeve 4 into the adjusting sleeve 5 through thread matching and screwing to the bottom;
(5) finally, the wrench rod 6, the assembled connecting sleeve 4 and the assembled adjusting sleeve 5 are assembled together, the limiting groove 12 of the connecting sleeve 4 is matched with the positioning pin 19 of the wrench rod 6, and after the connecting sleeve 4 is rotated forward, the positioning screw 20 of the wrench rod 6 is screwed, so that the wrench rod 6 and the connecting sleeve 4 are connected together.
The using method comprises the following steps:
(1) the pedicle screw to be implanted is loaded from the left side of the hole-opening needle 1, the long arm part of the pedicle screw is fixed in the fixed clamping groove 17, and the fixed bolt 18 is screwed;
(2) finding a pedicle screw feeding point of the patient, and abutting the tip end of the perforating needle 1 against the bone surface;
(3) holding the connecting sleeve 4 still, rotating the adjusting sleeve 5, moving the threaded sleeve 3 leftwards under the action of the threads, and representing that the perforating needle 1 moves for 1 mm when the spring positioning pin 16 contacts the positioning groove 14 of the connecting sleeve 4 once when the adjusting sleeve 5 rotates;
(4) after the adjusting sleeve 5 rotates for a circle, a bone hammer is used for knocking the right end of the connecting sleeve 4, the perforating needle 1 enters into cortical bone of the pedicle of vertebral arch through knocking of the bone hammer, then the adjusting sleeve 5 continues to rotate for a circle, so that the extending length of the perforating needle 1 is adjusted, and then the perforating needle 1 enters into cancellous bone of the pedicle of vertebral arch through knocking of the bone hammer, so that the positioning of the perforating needle 1 is realized;
(5) until the adjusting sleeve 5 can not rotate continuously, at the right end of the stroke of the threaded sleeve 3, the marking scale on the threaded sleeve 3 is positioned at the 25 position of the observation window;
(6) then holding the adjusting sleeve 5 still, rotating the right end of the connecting sleeve 4, and rotating the wrench rod together with the connecting sleeve 4 under the fixing action of the positioning screw 20, so as to drive the chasing bone nail to rotate and enter the chasing bone; meanwhile, the threaded sleeve 3 moves rightwards under the action of the threads, and drives the holing needle 1 to move rightwards to exit the pedicle of vertebral arch.
(7) And finishing the implantation until the implanted pedicle screw is screwed until the screw seat is contacted with the bone surface.
Examples
Example 1
The four-in-one nailing device shown in the attached drawings 1-10 comprises a perforating needle 1, an opening sleeve 2, a thread sleeve 3, a connecting sleeve 4, an adjusting sleeve 5 and a wrench rod 6; the drilling needle 1 is installed inside the opening sleeve 2, the opening sleeve 2 is installed inside the thread sleeve 3, the thread sleeve 3 is installed inside the connecting sleeve 4, the left part of the connecting sleeve 4 is installed inside the adjusting sleeve 5, the left plane of the adjusting sleeve 5 contacts with the right plane of the wrench rod 6, the drilling needle 1 penetrates through the wrench rod 6, and all components are concentrically arranged. The end part of the perforating needle 1 is provided with a limiting block 7. The middle part of the opening sleeve 2 is provided with a plurality of limiting grooves 8, the size of each limiting groove 8 is matched with the corresponding limiting block 7, and the back sides of the limiting grooves 8 are provided with corresponding scales; an inner hole is formed in the opening sleeve 2 and communicated with the limiting groove 8; the opening sleeve is provided with a section of first external thread 21 on the right side of the limiting groove 8. Two flat wire bosses 9 are symmetrically arranged at the left end part of the threaded sleeve 3, and second external threads 23 are arranged on the flat wire bosses 9; a mark scale 10 is arranged on the right side of the threaded sleeve 3; a section of first internal screw thread 22 is provided on the right side of the marker scale. The left half part of the connecting sleeve 4 is symmetrically provided with two open slots 11, the width of each open slot 11 is matched with the width of the bottom of the flat wire boss 9, and the left half part of the connecting sleeve 4 is also provided with a limit slot 12; a circle of flange 13 is arranged at the middle part of the connecting sleeve 4, and six positioning grooves 14 are symmetrically arranged on the left side plane of the flange 13; an observation window 15 is arranged on the right side of the connecting sleeve 4, and scales are arranged on the observation window 15, wherein the scales are 25, 20, 15, 10, 5 and 0 from right to left. A second internal thread 24 is arranged inside the adjusting sleeve 5; and two ends of the adjusting sleeve 5 are respectively provided with a spring positioning pin 16. The wrench rod 6 is hollow, the middle part of the wrench rod is provided with a fixing clamping groove 17 and a fixing bolt 18, the tail part of the wrench rod is provided with a positioning pin 19 and a positioning screw 20, and the positioning pin 19 is matched with the limiting groove 12 on the connecting sleeve 4. A first external thread 21 on the split sleeve 2 and a first internal thread 22 on the threaded sleeve 3 cooperate. The second external thread 23 on the threaded sleeve 3 and the second internal thread 24 on the adjusting sleeve 5 cooperate. The right end of the connecting sleeve 4 is provided with a T-shaped handle.
The installation method comprises the following steps:
(1) according to the length specification of the nail measured before the operation, the perforating needle 1 is arranged in an inner hole of the opening sleeve 2, and the limiting block 7 is arranged in a limiting groove 8 corresponding to the corresponding scale;
(2) screwing the assembled opening sleeve 2 into the right inner hole of the threaded sleeve 3 and screwing;
(3) the assembled threaded sleeve 3 is installed from the left side of the connecting sleeve 4, and the flat wire boss 9 of the threaded sleeve 3 is matched with the opening groove 11 of the connecting sleeve 4 to the bottom of the opening groove 11;
(4) screwing the assembled connecting sleeve 4 into the adjusting sleeve 5 through thread matching and screwing to the bottom;
(5) finally, the wrench rod 6, the assembled connecting sleeve 4 and the assembled adjusting sleeve 5 are assembled together, the limiting groove 12 of the connecting sleeve 4 is matched with the positioning pin 19 of the wrench rod 6, and after the connecting sleeve 4 is rotated forward, the positioning screw 20 of the wrench rod 6 is screwed, so that the wrench rod 6 and the connecting sleeve 4 are connected together.
The using method comprises the following steps:
(1) the pedicle screw to be implanted is loaded from the left side of the hole-opening needle 1, the long arm part of the pedicle screw is fixed in the fixed clamping groove 17, and the fixed bolt 18 is screwed;
(2) finding a pedicle screw feeding point of the patient, and abutting the tip end of the perforating needle 1 against the bone surface;
(3) holding the connecting sleeve 4 still, rotating the adjusting sleeve 5, moving the threaded sleeve 3 leftwards under the action of the threads, and representing that the perforating needle 1 moves for 1 mm when the spring positioning pin 16 contacts the positioning groove 14 of the connecting sleeve 4 once when the adjusting sleeve 5 rotates;
(4) after the adjusting sleeve 5 rotates for a circle, a bone hammer is used for knocking the right end of the connecting sleeve 4, the perforating needle 1 enters into cortical bone of the pedicle of vertebral arch through knocking of the bone hammer, then the adjusting sleeve 5 continues to rotate for a circle, so that the extending length of the perforating needle 1 is adjusted, and then the perforating needle 1 enters into cancellous bone of the pedicle of vertebral arch through knocking of the bone hammer, so that the positioning of the perforating needle 1 is realized;
(5) until the adjusting sleeve 5 can not rotate continuously, at the right end of the stroke of the threaded sleeve 3, the marking scale on the threaded sleeve 3 is positioned at the 25 position of the observation window;
(6) then holding the adjusting sleeve 5 still, rotating the right end of the connecting sleeve 4, and rotating the wrench rod together with the connecting sleeve 4 under the fixing action of the positioning screw 20, so as to drive the chasing bone nail to rotate and enter the chasing bone; meanwhile, the threaded sleeve 3 moves rightwards under the action of the threads, and drives the holing needle 1 to move rightwards to exit the pedicle of vertebral arch.
(7) And finishing the implantation until the implanted pedicle screw is screwed until the screw seat is contacted with the bone surface.
Example 2
The four-in-one nailing device shown in the attached drawings 1-10 comprises a perforating needle 1, an opening sleeve 2, a thread sleeve 3, a connecting sleeve 4, an adjusting sleeve 5 and a wrench rod 6; the drilling needle 1 is installed inside the opening sleeve 2, the opening sleeve 2 is installed inside the thread sleeve 3, the thread sleeve 3 is installed inside the connecting sleeve 4, the left side part of the connecting sleeve 4 is installed inside the adjusting sleeve 5, the left side plane of the adjusting sleeve 5 is in plane contact with the right side plane of the wrench rod 6, the drilling needle penetrates through the wrench rod 6, and all components are concentrically arranged. The end part of the perforating needle 1 is provided with a limiting block 7. The middle part of the opening sleeve 2 is provided with a plurality of limiting grooves 8, the size of each limiting groove 8 is matched with the corresponding limiting block 7, and the back sides of the limiting grooves 8 are provided with corresponding scales; an inner hole is formed in the opening sleeve 2 and communicated with the limiting groove 8; the opening sleeve is provided with a section of first external thread 21 on the right side of the limiting groove 8. Two flat wire bosses 9 are symmetrically arranged at the left end part of the threaded sleeve 3, and second external threads 23 are arranged on the flat wire bosses 9; a mark scale 10 is arranged on the right side of the threaded sleeve 3; a section of first internal screw thread 22 is provided on the right side of the marker scale. The left half part of the connecting sleeve 4 is symmetrically provided with two open slots 11, the width of each open slot 11 is matched with the width of the bottom of the flat wire boss 9, and the left half part of the connecting sleeve 4 is also provided with a limit slot 12; a circle of flange 13 is arranged at the middle part of the connecting sleeve 4, and six positioning grooves 14 are symmetrically arranged on the left side plane of the flange 13; an observation window 15 is arranged on the right side of the connecting sleeve 4, and scales are arranged on the observation window 15, wherein the scales are 25, 20, 15, 10, 5 and 0 from right to left. A second internal thread 24 is arranged inside the adjusting sleeve 5; and two ends of the adjusting sleeve 5 are respectively provided with a spring positioning pin 16. The wrench rod 6 is hollow, the middle part of the wrench rod is provided with a fixing clamping groove 17 and a fixing bolt 18, the tail part of the wrench rod is provided with a positioning pin 19 and a positioning screw 20, and the positioning pin 19 is matched with the limiting groove 12 on the connecting sleeve 4. A first external thread 21 on the split sleeve 2 and a first internal thread 22 on the threaded sleeve 3 cooperate. The second external thread 23 on the threaded sleeve 3 and the second internal thread 24 on the adjusting sleeve 5 cooperate. The right end of the connecting sleeve 4 is provided with a T-shaped handle.
The operation requirement is as follows: a 20 mm pedicle screw was implanted.
The installation method comprises the following steps:
(1) according to the length specification of the nail measured before the operation, the perforating needle 1 is arranged in an inner hole of the opening sleeve 2, and a limiting block is arranged in a limiting groove with the scale of 40;
(2) screwing the assembled opening sleeve 2 into the right inner hole of the threaded sleeve 3 and screwing;
(3) the assembled threaded sleeve 3 is installed from the left side of the connecting sleeve 4, and a flat wire boss of the threaded sleeve 3 is matched with an open slot of the connecting sleeve 4 to the bottom of the open slot;
(4) screwing the assembled connecting sleeve 4 into the adjusting sleeve 5 through thread matching and screwing to the bottom;
(5) finally, the wrench rod 6, the assembled connecting sleeve 4 and the assembled adjusting sleeve 5 are assembled together, the limiting groove of the connecting sleeve 4 is matched with the positioning pin of the wrench rod 6, and the positioning screw 20 of the wrench rod 6 is screwed after the connecting sleeve 4 is rotated forward, so that the wrench rod 6 and the connecting sleeve 4 are connected together.
The using method comprises the following steps:
(1) the pedicle screw to be implanted is loaded from the left side of the hole-opening needle 1, the long arm part of the pedicle screw is fixed in the fixed clamping groove 17, and the fixed bolt 18 is screwed;
(2) finding a pedicle screw feeding point of the patient, and abutting the tip end of the perforating needle 1 against the bone surface;
(3) holding the connecting sleeve 4 still, rotating the adjusting sleeve 5, moving the threaded sleeve 3 leftwards under the action of the threads, and representing that the perforating needle 1 moves for 1 mm when the spring positioning pin 16 contacts the positioning groove 14 of the connecting sleeve 4 once when the adjusting sleeve 5 rotates;
(4) after the adjusting sleeve 5 rotates for a circle, a bone hammer is used for knocking the right end of the connecting sleeve 4, the perforating needle 1 enters into cortical bone of the pedicle of vertebral arch through knocking of the bone hammer, then the adjusting sleeve 5 continues to rotate for a circle, so that the extending length of the perforating needle 1 is adjusted, and then the perforating needle 1 enters into cancellous bone of the pedicle of vertebral arch through knocking of the bone hammer, so that the positioning of the perforating needle 1 is realized;
(5) until the adjusting sleeve 5 can not rotate continuously, at the right end of the stroke of the threaded sleeve 3, the marking scale on the threaded sleeve 3 is positioned at the 25 position of the observation window;
(6) then holding the adjusting sleeve 5 still, rotating the right end of the connecting sleeve 4, and rotating the wrench rod together with the connecting sleeve 4 under the fixing action of the positioning screw 20, so as to drive the chasing bone nail to rotate and enter the chasing bone; meanwhile, the threaded sleeve 3 moves rightwards under the action of the threads, and drives the holing needle 1 to move rightwards to exit the pedicle of vertebral arch.
(7) Until the implanted pedicle screw is screwed until the screw seat is contacted with the bone surface, at the moment, the ruler of the number of the scales is positioned at the '20' position of the observation window, and the implantation is finished.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. A four-in-one nailing device is characterized by comprising a hole drilling needle (1), a hole drilling sleeve (2), a thread bushing (3), a connecting sleeve (4), an adjusting sleeve (5) and a spanner rod (6); the drilling needle (1) is installed inside the opening sleeve (2), the opening sleeve (2) is installed inside the thread sleeve (3), the thread sleeve (3) is installed inside the connecting sleeve (4), the part on the left side of the connecting sleeve (4) is installed inside the adjusting sleeve (5), the left side plane of the adjusting sleeve (5) is in contact with the right side plane of the wrench rod (6), the drilling needle (1) penetrates through the wrench rod (6), and all components are concentrically arranged.
2. The four-in-one nailing device according to claim 1, wherein a limiting block (7) is arranged at the end of the perforating needle (1).
3. The four-in-one nailing device according to claim 2, wherein a plurality of limiting grooves (8) are arranged at the middle part of the opening sleeve (2), the size of each limiting groove (8) is matched with that of the limiting block (7), and corresponding scales are arranged at the back sides of the limiting grooves (8); an inner hole is formed in the opening sleeve (2), and the inner hole is communicated with the limiting groove (8); the opening sleeve is provided with a section of first external thread (21) on the right side of the limiting groove (8).
4. The four-in-one nailing device according to claim 3, wherein two flat wire bosses (9) are symmetrically arranged at the left end of the thread sleeve (3), and second external threads (23) are arranged on the flat wire bosses (9); a mark scale (10) is arranged on the right side of the threaded sleeve (3); a section of first internal thread (22) is arranged on the right side of the mark scale (10).
5. The four-in-one nailing device according to claim 4, wherein the left half part of the connecting sleeve (4) is symmetrically provided with two open grooves (11), the width of each open groove (11) is matched with the width of the bottom of the flat wire boss (9), and the left half part of the connecting sleeve (4) is also provided with a limiting groove (12); a circle of flange (13) is arranged at the middle part of the connecting sleeve (4), and six positioning grooves (14) are symmetrically arranged on the left side plane of the flange (13); an observation window (15) is arranged on the right side of the connecting sleeve (4), and scales which are sequentially increased from right to left are arranged on the observation window (15).
6. A four-in-one tacker according to claim 3, characterised in that said adjusting sleeve (5) is internally provided with a second internal thread (24); and two ends of the adjusting sleeve (5) are respectively provided with a spring positioning pin (16).
7. The four-in-one nailing device according to claim 5, wherein the wrench rod (6) is hollow, a fixing clamping groove (17) and a fixing bolt (18) are arranged in the middle part, a positioning pin (19) and a positioning screw (20) are arranged at the tail part, and the positioning pin (19) is matched with the limiting groove (12) on the connecting sleeve (4).
8. A four-in-one tacker according to claim 3, characterised in that said first external thread (21) on said split bush (2) cooperates with said first internal thread (22) on said threaded bush (3).
9. A four-in-one tacker according to claim 3, characterised in that said second external thread (23) on said threaded sleeve (3) cooperates with said second internal thread (24) on said adjusting sleeve (5).
10. The four-in-one nailing device according to claim 1, wherein a round handle or a T-shaped handle is arranged at the right end of the connecting sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575715.3U CN214208470U (en) | 2020-11-09 | 2020-11-09 | Four-in-one nailing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022575715.3U CN214208470U (en) | 2020-11-09 | 2020-11-09 | Four-in-one nailing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214208470U true CN214208470U (en) | 2021-09-17 |
Family
ID=77696702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022575715.3U Active CN214208470U (en) | 2020-11-09 | 2020-11-09 | Four-in-one nailing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214208470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112315573A (en) * | 2020-11-09 | 2021-02-05 | 常州康鼎医疗器械有限公司 | Four-in-one nailing device and mounting method thereof |
-
2020
- 2020-11-09 CN CN202022575715.3U patent/CN214208470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112315573A (en) * | 2020-11-09 | 2021-02-05 | 常州康鼎医疗器械有限公司 | Four-in-one nailing device and mounting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6416518B1 (en) | Combined surgical drill and surgical screw guide | |
| US8585705B2 (en) | Percutaneous instrumentation and surgical procedure | |
| CA2463512A1 (en) | Orthopedic implant insertion instruments | |
| JP2008520343A (en) | Tibial preparation tool and implant guide system | |
| CA2565882A1 (en) | Systems and methods that facilitate minimally invasive spine surgery | |
| US11707284B2 (en) | Bone screws, instrumentation, and methods of using of same | |
| RU2007119200A (en) | FIXING PIN SYSTEM FOR ARTHRODESIS RECONSTRUCTION IN Fractures of the calcaneus | |
| JP2005506098A (en) | Spinal pedicle screw placement retractor and method | |
| CN214208470U (en) | Four-in-one nailing device | |
| US20150196340A1 (en) | Surgical instrument | |
| US20160374740A1 (en) | Retractable screw guide | |
| US20230017771A1 (en) | Orthopedic implantation operation system | |
| CN111329572B (en) | Pedicle screw screwing wrench | |
| CN112315573A (en) | Four-in-one nailing device and mounting method thereof | |
| US20230355252A1 (en) | Devices and systems for nail-based bone fixation | |
| CN115486925B (en) | Hallux valgus correction guiding device and correction method | |
| CN220988890U (en) | Little rotor fixing tool | |
| EP3838211A1 (en) | Adapter device for surgical instruments | |
| CN111772753A (en) | Screw placing system and pedicle screw placing device | |
| JP4283731B2 (en) | Bone surgery guidance device | |
| CN112914673A (en) | Integrated patella osteotomy device | |
| CN219207261U (en) | Binary channels backbone is put nail baffle | |
| CN201055416Y (en) | Exterior fixing drift bolt structure for thighbone intertrochanteric fracture | |
| CN214180564U (en) | Pedicle screw approach positioning assistor | |
| CN217090874U (en) | Adjustable bone fracture plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |