CN115349939A - Spinal universal nail-taking complete equipment and operation method thereof - Google Patents

Abstract

The invention relates to the technical field of orthopedic medical instruments, in particular to a spinal universal nail-taking complete instrument and an operation method thereof. The general spinal nail taking complete equipment comprises a nail taking screwdriver, a screwdriver head, an opposing sleeve and an opposing wrench, wherein the nail taking screwdriver penetrates through the opposing sleeve, the opposing wrench is sleeved outside the opposing sleeve and forms limitation of circumferential and axial positions with the opposing sleeve, and the screwdriver head is connected to the lower end of the nail taking screwdriver; the outer diameter of the part of the screw taking screwdriver, which is positioned in the antagonistic sleeve, is smaller than the inner diameter of the antagonistic sleeve, and the lower end of the antagonistic sleeve is sleeved outside the screw seat of the pedicle screw and clamps the screw rod; the universal spinal nail-taking kit also comprises a broken nail extractor. The invention has the advantages of convenient connection and disassembly of all instruments, convenient and rapid matching operation and improvement of nail taking efficiency.

Description

Spinal universal nail-taking complete equipment and operation method thereof

Technical Field

The invention relates to the technical field of orthopedic medical instruments, in particular to a spinal universal nail-taking complete instrument and an operation method thereof.

Background

For the diseases of spondylolisthesis, tumor, fracture and the like, in order to maintain the stability of the postoperative vertebral body and quickly return to the society, a vertebral pedicle screw rod internal fixing system is generally required to fix a plurality of vertebral columns. The existing spine fixation generally comprises pedicle screws, jackscrews, a screw rod and other parts, the jackscrews are directly screwed into the pedicle screws, the screw rod is locked, and the plurality of pedicle screws are connected through the screw rod, so that the spine fixation is realized.

When nail stick internal fixation system demolishs, need unscrew the jackscrew soon, take off the connective bar, take out nail seat and screw rod, present disconnected nail takes out apparatus still has a great deal of not enoughly, for example: the operation is inconvenient, the connection and the disassembly between the instruments are inconvenient, and the matching is inconvenient.

Disclosure of Invention

The invention aims to provide a spinal universal nail-taking complete equipment and an operation method thereof, which overcome the defects of the prior art, are convenient to connect and disassemble, are convenient and quick to operate in a matching way, and improve the nail-taking efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a general nail kit of getting of backbone, including getting nail bottle opener, screwdriver head, confrontation sleeve and confrontation spanner, wherein:

the nail taking screwdriver penetrates through the resisting sleeve, the resisting wrench is sleeved outside the resisting sleeve and forms limitation of circumferential and axial positions with the resisting sleeve, and the screwdriver head is connected to the lower end of the nail taking screwdriver;

the outer diameter of the part, located in the countermeasure sleeve, of the screw taking screwdriver is smaller than the inner diameter of the countermeasure sleeve, the lower end of the countermeasure sleeve is sleeved outside a screw seat of the pedicle screw, the clamping screw rod screwdriver head comprises a plurality of screwdriver heads commonly used at home and abroad, and the screw taking screwdriver mainly plays roles of screwing a jackscrew, holding the screw taking seat and the like.

Further, get nail bottle opener and include first handle, first tail pole, screwdriver pole and first overcoat, wherein:

the screwdriver rod comprises a first pipe section and a second pipe section, the outer diameter of the first pipe section is larger than that of the second pipe section, a screwdriver head connector is arranged at one end, far away from the second pipe section, of the first pipe section, an elastic clamping piece is arranged on the first pipe section on the side face of the screwdriver head connector, the second pipe section is connected with one end of a first tail rod, the other end of the first tail rod is connected with a first handle, and the diameter of one end, close to the second pipe section, of the first tail rod is larger than that of the second pipe section;

the first outer sleeve is rotatably sleeved between the second pipe section and the first tail rod;

get nail bottle opener and can cooperate with an arbitrary screwdriver head when using, the cooperation interface is the hexagonal design, can connect at will in six directions, and the elasticity clamping piece of first pipeline section increases and controls power, and the screwdriver head is difficult for droing during the use, and the overcoat that the second pipeline section outer wall increased and skidded the setting uses first overcoat to skid and reduces the friction of holding the hand of first overcoat when revolving to twist first handle.

Furthermore, a first tangent plane is arranged on the outer wall of one end, far away from the first pipe section, of the second pipe section, first threads are arranged on the inner wall of the second pipe section, a jack matched with the outer wall of the second pipe section is arranged on one end, far away from the first handle, of the first tail rod, a first screw is arranged in the inner cavity of the first tail rod in a limiting mode, and the first screw is connected with the first threads in the inner cavity of the second pipe section; the second pipeline section can not rotate after being spliced with the first tail rod, and the second pipeline section is connected with the first tail rod through the first screw, so that the local structure is convenient to disassemble and replace and the structural stability is strong after the second pipeline section and the first tail rod are connected through the splicing.

Further, the screwdriver head interface is a hexagonal interface; the elastic clamping pieces are symmetrically provided with two pieces.

Furthermore, the confrontation sleeve comprises a pipe body, one end of the pipe body is provided with a nail rod clamping joint, the other end of the pipe body is provided with a second tangent plane along the length direction of the outer wall, and the second tangent plane is provided with a round hole; the counterforce wrench comprises a second handle, a quick-change head, a spring and a limit plug, wherein the quick-change head comprises a connecting rod and a connector arranged at one end of the connecting rod, a clamping hole is formed in the connector, the shape of the clamping hole is matched with that of one end, provided with a second tangent plane, of the pipe body of the counterforce sleeve, a groove is formed in the connector, the spring is arranged in the groove, the spring is connected with the limit plug, the limit plug can be inserted into one of the round holes when the connector is sleeved on the pipe body of the counterforce sleeve, and the other end of the quick-change head is connected with the handle; the shape of the inner wall of the nail rod clamping joint is matched with the shape of the outer wall of the nail seat of the pedicle screw; a plurality of groups of nail rod bayonets are formed in the lower edge of the nail rod bayonet joint, and two nail rod bayonets are symmetrically arranged in each group;

when in use, the confrontation wrench is firstly connected with the confrontation sleeve in a way that: the locking hole of the connector is clamped at one end of the section of the anti-sleeve pipe body, the limiting plug is partially inserted into one of the round holes, so that the axial relative position and the circumferential relative position of the anti-sleeve and the anti-spanner are locked, the second handle of the anti-spanner is held by hand, the anti-sleeve enters the minimally invasive channel, the nail rod locking connector of the anti-sleeve is sleeved on the nail seat of the pedicle screw, the nail seat of the pedicle screw and the nail rod connected to the nail seat of the pedicle screw are held, the nail driver is taken and extends into the anti-sleeve to operate, the jackscrew in the nail seat is screwed down, the nail seat and the nail rod are effectively ensured not to move in the process of taking down the jackscrew by holding the anti-spanner, and secondary damage caused by rotary shearing of healed bones is reduced.

Further, still include disconnected nail extractor, disconnected nail extractor includes third handle, second tail-rod, clamping sleeve and second overcoat, wherein:

clamping jaws are arranged in a circular array mode at one end of the clamping sleeve, a first thread section is arranged in an inner cavity at the other end of the clamping sleeve, a second thread section is arranged on the outer wall of the clamping sleeve, a third tangent plane is arranged on the second thread section along the length direction of the clamping sleeve, a gap is reserved between the clamping jaws, and the middle part of the outer wall of each clamping jaw is gradually enlarged from one end far away from the first thread section to one end close to the first thread section and then gradually reduced;

one end of the second tail rod is in threaded connection with the second threaded section of the clamping sleeve, and the other end of the second tail rod is connected with the third handle;

the second outer sleeve is sleeved on the outer wall of the clamping sleeve, one end of an inner cavity of the second outer sleeve is provided with a fourth tangent plane matched with the third tangent plane of the first thread section, and the other end of the second outer sleeve is limited at one end of the outer wall of the clamping jaw, which is gradually reduced;

when the broken nail is taken out, the nail taking screwdriver with the trepan screwdriver head arranged on the head part is used for cutting off redundant bone on cortical bone around the broken nail, so that the nail head is exposed to the size capable of being clamped, then the orthopedic broken nail extractor is placed in the orthopedic broken nail extractor, a screw with the diameter of 7.5mm can be clamped maximally between the clamping jaws when the clamping jaws are not extruded by the outer sleeve, the rest part of the pedicle screw is embraced by the clamping jaws, the outer sleeve is pushed down, the tapered end of the clamping jaw is extruded by the outer sleeve, so that the clamping jaws clasp the screw, and the broken nail is taken out.

Furthermore, a second screw is arranged at the connecting end of the third handle and the second tail rod in a limiting mode, the second screw is in threaded connection with the first threaded section, the middle of the clamping sleeve is in threaded connection with the second tail rod, and the upper end of the clamping sleeve is connected with the third handle through the second screw, so that the clamping sleeve is stably connected, and when the clamping sleeve is damaged, the clamping sleeve can be conveniently replaced; the inner diameter of the second outer sleeve is larger than the outer diameter of the clamping sleeve, the outer wall of the clamping sleeve is provided with a circle of guide ring, and the outer diameter of the guide ring is matched with the inner diameter of the second outer sleeve, so that the design mode is favorable for greatly reducing the friction force generated in the moving process of the second outer sleeve, and the operation is more convenient and labor-saving; the inner side surface of the clamping jaw is provided with reverse threads, so that the clamping jaw is tightened more and more when a broken nail is clamped and then screwed out, and the screw cannot fall off midway.

An operation method of a spinal universal nail-taking complete equipment comprises the following steps:

(1) The screw taking screwdriver and the screwdriver head are connected and then penetrate through the resisting sleeve, the resisting wrench is installed outside the resisting sleeve, the screw seat of the pedicle screw and the screw rod connected with the screw seat are locked through the resisting sleeve, one hand holds the resisting wrench, the other hand rotates the screw taking screwdriver, the jackscrew pressed on the screw rod in the screw seat is screwed and taken out through the screwdriver head, and then the screw rod is taken out;

(2) And if the nail seat is not damaged, replacing a screwdriver head capable of holding the nail seat on the nail taking screwdriver, taking out the nail seat and the screw rod through the screwdriver head, if the nail seat is damaged and only the screw rod part is left, firstly taking out a trepan screwdriver head below the nail taking screwdriver, cutting off bones around the broken nail, exposing the broken nail, clamping the broken screw through the broken nail extractor, and screwing out the screw in the opposite direction.

The invention has the beneficial effects that: compared with the prior art, the general spinal nail taking complete equipment and the operation method thereof have the following advantages: (1) The connection and the disassembly of the instruments are convenient, the matching operation is convenient and rapid, and the nail taking efficiency is improved; (2) The nail taking screwdriver is ingenious in structural design, the friction force of hands is small when the nail taking screwdriver is used, the screwdriver head is not easy to fall off, the split type structural design is convenient to split and replace a local structure, and the structural stability is strong when the nail taking screwdriver is combined together for use; (3) When the countermeasure sleeve is matched with the countermeasure wrench, the connecting direction can be changed at will according to the use habit of an operator, and the round hole is matched with the limiting plug to increase the holding force; the screw seat and the screw rod of the pedicle screw are clamped in the screw taking process, the operation is convenient, the stability of a screw taking screwdriver is kept, and the secondary damage caused by rotary shearing to the healed bone is reduced; (4) The broken screw extractor can clamp screws with the diameter of 3.5-7.5mm, the structural design is simple, the operation is convenient, the friction force is small in the using process, all components can be timely and conveniently replaced when damaged, the reverse thread design of the head is realized, and when the screw is screwed out after being clamped, the screw is more and more tightened, so that the screw cannot fall off midway.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the staple extractor of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view of the structure A-A' of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the present invention showing the structure of the nail extractor;

FIG. 5 is a schematic view of the connection of the antagonistic socket and the antagonistic wrench of the present invention;

FIG. 6 is a schematic view of the construction of the countermeasure sleeve of the present invention;

FIG. 7 is a schematic view of the anti-wrench of the present invention;

fig. 8 is a schematic perspective view of a broken nail extractor of the present invention;

FIG. 9 is a schematic front view of the broken nail extractor of the present invention;

FIG. 10 is a schematic cross-sectional view of the structure B-B' of FIG. 9 according to the present invention;

FIG. 11 is a schematic view of the broken nail extractor of the present invention shown in a disassembled configuration;

FIG. 12 is a schematic view of the trepan driver head of the present invention used to cut bone tissue around a broken nail;

the nail extractor comprises a nail driver 1, a first handle 101, a first tail rod 102, a 1021 jack, a first screw 1022, a screwdriver rod 103, a first pipe 1031, a second pipe 1032, a screwdriver head port 1033, an elastic clip 1034, a first cut surface 1035, a first thread 1036, a first jacket 104, a second screwdriver head 2, a 3-resisting sleeve, a pipe 301, a 302-nail-rod clamping joint, a 3021-nail-rod bayonet, a 303-second cut surface, a 304-round hole, a 4-resisting wrench, a 401-second handle, a 402-quick-change head, a 4021-connecting rod, a 4022-connecting head, a 403-limiting plug, a 5-broken-nail extractor, a third handle 501, a second tail rod 502, a 503-clamping sleeve, a 5031-clamping jaw, a first thread section 5032, a second thread section 5033, a third cut surface 5034, a second jacket, a fourth cut surface 5041, and a second screw 505.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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.

In the embodiment shown in fig. 1-12, a spinal universal nail-taking kit comprises a nail-taking screwdriver 1, a screwdriver head 2, an antagonistic sleeve 3 and an antagonistic wrench 4, wherein:

the nail taking driver 1 penetrates through the resisting sleeve 3, the resisting wrench 4 is sleeved outside the resisting sleeve 3 and forms a limitation on the circumferential and axial positions with the resisting sleeve 3, and the driver head 2 is connected to the lower end of the nail taking driver 1;

get the external diameter that lies in the part of antagonism sleeve 3 of nail bottle opener 1 and be less than the internal diameter of antagonism sleeve 3, the lower pot head of antagonism sleeve 3 is established in the nail seat outside of pedicle of vertebral arch screw, and blocks that nail stick bottle opener head 2 contains many types bottle opener head 2 that domestic and foreign commonly used, mainly plays and revolves the jackscrew, holds to get effects such as nail seat.

In this embodiment, the staple remover 1 comprises a first handle 101, a first tail rod 102, a driver rod 103 and a first sheath 104, wherein:

the screwdriver rod 103 comprises a first tube section 1031 and a second tube section 1032, the outer diameter of the first tube section 1031 is larger than that of the second tube section 1032, a screwdriver head interface 1033 is arranged at one end, far away from the second tube section 1032, of the first tube section 1031, an elastic clamping piece 1034 is arranged on the first tube section 1031 on the side of the screwdriver head interface 1033, the second tube section 1032 is connected with one end of a first tail rod 102, the other end of the first tail rod 102 is connected with the first handle 101, and the diameter of one end, close to the second tube section 1032, of the first tail rod 102 is larger than that of the second tube section 1032;

the first outer sleeve 104 is rotatably sleeved between the second pipe section 1032 and the first tail rod 102;

get when nail bottle opener 1 uses can with the cooperation of any kind of bottle opener head 2, the cooperation interface is the hexagonal design, can connect at will in six directions, and the elasticity clamping piece 1034 of first pipeline section 1031 increases the power of controlling, and bottle opener head 2 is difficult for droing during the use, and the overcoat that the second pipeline section 1032 outer wall increased the setting of skidding uses first overcoat 104 to skid and reduces the friction of the hand of holding first overcoat 104 when revolving and twist first handle 101.

In this embodiment, an outer wall of an end of the second tube section 1032 far from the first tube section 1031 is provided with a first cut plane 1035, an inner wall of the second tube section 1032 is provided with a first thread 1036, an end of the first tail rod 102 far from the first handle 101 is provided with a receptacle 1021 matched with the outer wall of the second tube section 1032, an inner cavity of the first tail rod 102 is limited by a first screw 1022, and the first screw 1022 is connected with the first thread 1036 of the inner cavity of the second tube section 1032; the second pipe section 1032 can not rotate after being spliced with the first tail rod 102, the second pipe section 1032 is connected with the first tail rod 102 through the first screw 1022, and the arrangement mode of the splicing rear screw connection is not only convenient in splitting and replacing local structure, but also strong in structural stability after being installed together.

In this embodiment, the screwdriver head interface 1033 is a hexagonal interface; the elastic clip 1034 has two pieces symmetrically disposed.

In this embodiment, the countermeasure sleeve 3 includes a pipe body 301, one end of the pipe body 301 is provided with a nail rod clamping joint 302, the other end of the pipe body 301 is provided with a second tangent plane 303 along the length direction of the outer wall, and the second tangent plane 303 is provided with a circular hole 304; the confrontation wrench 4 comprises a second handle 401, a quick-change head 402, a spring and a limit plug 403, the quick-change head 402 comprises a connecting rod 4021 and a connector 4022 arranged at one end of the connecting rod 4021, a clamping hole is formed in the connector 4022, the shape of the clamping hole is matched with that of one end, provided with a second tangent plane 303, of the tube body of the confrontation sleeve 3, a groove is formed in the connector 4022, the spring is arranged in the groove and connected with the limit plug 403, the connector 4022 is sleeved on the tube body of the confrontation sleeve 3, the limit plug can be inserted into one of the round holes 304, and the other end of the quick-change head 402 is connected with the handle; the shape of the inner wall of the nail rod clamping joint 302 is matched with the shape of the outer wall of a nail seat of the pedicle screw; a plurality of groups of nail rod bayonets 3021 are formed in the lower edge of the nail rod bayonet 302, and two nail rod bayonets 3021 are symmetrically arranged in each group;

when in use, the confrontation wrench 4 is firstly connected with the confrontation sleeve 3 in the following way: the clamping hole of the connector is clamped at one end of the section of the pipe body of the countermeasure sleeve 3, the limiting plug is partially inserted into one of the round holes 304, so that the axial relative position and the circumferential relative position of the countermeasure sleeve 3 and the countermeasure wrench 4 are locked, the second handle 401 of the countermeasure sleeve 4 is held by hand, the countermeasure sleeve 3 enters a minimally invasive channel, the nail rod clamping connector 302 of the countermeasure sleeve 3 is sleeved on the nail seat of the pedicle screw, the nail seat of the pedicle screw and the nail rod connected to the nail seat of the pedicle screw are held, the nail driver 1 extends into the countermeasure sleeve 3 for operation, the jackscrew in the nail seat is screwed down, the nail seat and the nail rod are effectively prevented from moving in the process of taking down the jackscrew by holding the countermeasure sleeve 3 of the countermeasure sleeve 4, and secondary damage caused by rotary shearing of the healed bone is reduced.

In this embodiment, a broken nail extractor 5 is further included, comprising a third handle 501, a second tail rod 502, a clamping sleeve 503 and a second outer sleeve 504, wherein:

one end of the clamping sleeve 503 is provided with clamping jaws 5031 arranged in a circular arrangement, a first thread segment 5032 is arranged in an inner cavity at the other end, a second thread segment 5033 is arranged on the outer wall of the clamping sleeve 503, a third cut surface 5034 is arranged on the second thread segment 5033 along the length direction of the clamping sleeve 503, a gap is reserved between the clamping jaws 5031, and the middle part of the outer wall of the clamping jaw 5031 is gradually enlarged and then gradually reduced from one end far away from the first thread segment 5032 to one end close to the first thread segment 5032;

one end of the second tail rod 502 is in threaded connection with the second threaded segment 5033 of the clamping sleeve 503, and the other end is connected with the third handle 501;

the second outer sleeve 504 is sleeved on the outer wall of the clamping sleeve 503, one end of the inner cavity of the second outer sleeve 504 is provided with a fourth cut surface 5041 matched with the third cut surface 5034 of the first thread segment 5032, and the other end of the second outer sleeve 504 is limited at one tapered end of the outer wall of the clamping jaw 5031;

when the broken nail is taken out, a nail taking screwdriver 1 with a trepan screwdriver head arranged at the head part is used for cutting off redundant bone on the cortical bone around the broken nail, so that the nail head is exposed to a size capable of being clamped, then the orthopedic broken nail extractor of the invention is arranged, a screw of 7.5mm can be clamped maximally between the clamping jaws 5031 when the clamping jaws are not extruded by the jacket, the rest part of the pedicle screw is embraced by the clamping jaw 5031, the jacket is pushed down, the tapered end of the clamping jaw 5031 is extruded by the jacket, so that the clamping jaw 5031 clasps the screw, and the broken nail is taken out.

In this embodiment, a second screw 505 is disposed at a position-limited connection end of the third handle 501 and the second tail rod 502, the second screw 505 is in threaded connection with the first thread segment 5032, the middle part of the clamping sleeve 503 is in threaded connection with the second tail rod 502, and the upper end of the clamping sleeve 503 is connected with the third handle 501 through the second screw 505, so that the clamping sleeve 503 is stably connected, and when the clamping sleeve 503 is damaged, the clamping sleeve 503 can be conveniently replaced; the inner diameter of the second outer sleeve 504 is larger than the outer diameter of the clamping sleeve 503, a circle of guide ring is arranged on the outer wall of the clamping sleeve 503, and the outer diameter of the guide ring is matched with the inner diameter of the second outer sleeve 504, so that the design mode is favorable for greatly reducing the friction force generated in the moving process of the second outer sleeve 504, and the operation is more convenient and labor-saving; the clamping jaw 5031 is provided with reverse threads on the inner side surface, so that when the broken screw is clamped and then screwed out, the screw is tightened more and more, and the screw cannot fall off midway.

The operation method of the spinal universal nail-taking kit in the embodiment comprises the following steps:

(1) After the screw taking screwdriver 1 and the screwdriver head 2 are connected, the screw taking screwdriver penetrates through the countermeasure sleeve 3, the countermeasure spanner 4 is installed outside the countermeasure sleeve 3, the screw seat of the pedicle screw and the screw rod connected with the screw seat are locked through the countermeasure sleeve 3, one hand holds the countermeasure spanner 4, the other hand rotates the screw taking screwdriver 1, the jackscrew pressed on the screw rod in the screw seat is screwed and taken out through the screwdriver head 2, and then the screw rod is taken out;

(2) And if the nail seat is not damaged, replacing a screwdriver head 2 capable of holding the nail seat on a nail taking screwdriver 1, taking out the nail seat and the screw rod through the screwdriver head 2, if the nail seat is damaged, only the screw rod part is left, firstly taking out the lower part of the nail screwdriver 1, installing a trepan screwdriver head, cutting off the bone around the broken nail, exposing the broken nail, clamping the broken screw through a broken nail extractor, and screwing out the screw in the opposite direction.

The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a general nail complete sets of getting of backbone which characterized in that: including getting nail bottle opener, screwdriver head, antagonizing sleeve and antagonizing the spanner, wherein:

the nail taking screwdriver penetrates through the resisting sleeve, the resisting wrench is sleeved outside the resisting sleeve and forms limitation of circumferential and axial positions with the resisting sleeve, and the screwdriver head is connected to the lower end of the nail taking screwdriver;

the outer diameter of the part of the screw taking screwdriver, which is positioned in the resisting sleeve, is smaller than the inner diameter of the resisting sleeve, and the lower end of the resisting sleeve is sleeved outside the screw seat of the pedicle screw and clamps the screw rod.

2. The universal spinal screw removal kit of claim 1, wherein: get nail bottle opener and include first handle, first tail pole, screwdriver pole and first overcoat, wherein:

the screwdriver rod comprises a first pipe section and a second pipe section, the outer diameter of the first pipe section is larger than that of the second pipe section, a screwdriver head interface is arranged at one end, far away from the second pipe section, of the first pipe section, an elastic clamping piece is arranged on the first pipe section on the side face of the screwdriver head interface, the second pipe section is connected with one end of a first tail rod, the other end of the first tail rod is connected with a first handle, and the diameter of one end, close to the second pipe section, of the first tail rod is larger than that of the second pipe section;

the first outer sleeve is rotatably sleeved between the second pipe section and the first tail rod.

3. The spinal universal staple retrieving kit as claimed in claim 2, wherein: the outer wall of one end, far away from the first pipe section, of the second pipe section is provided with a first tangent plane, the inner wall of the second pipe section is provided with first threads, the end, far away from the first handle, of the first tail rod is provided with a jack matched with the outer wall of the second pipe section, a first screw is arranged in the limiting mode of the inner cavity of the first tail rod, and the first screw is in threaded connection with the first threads of the inner cavity of the second pipe section.

4. The spinal universal staple retrieving kit according to claim 2 or 3, wherein: the screwdriver head interface is a hexagonal interface; the elastic clamping pieces are symmetrically provided with two pieces.

5. The universal spinal screw removal kit of claim 1, wherein: the confrontation sleeve comprises a pipe body, a nail rod clamping joint is arranged at one end of the pipe body, a second tangent plane is arranged at the other end of the pipe body along the length direction of the outer wall, and a round hole is formed in the second tangent plane.

6. The universal spinal nail extraction kit of claim 5, wherein: the antagonism spanner includes second handle, quick-change head, spring and spacing stopper, the quick-change head includes the connecting rod and sets up in the connector of connecting rod one end, has seted up the card hole on the connector, and the shape in card hole and the shape that antagonism telescopic body set up the one end of second tangent plane cooperate, are provided with the recess on the connector, set up the spring in the recess, and the spring is connected with spacing stopper, and the connector cover is located on the telescopic body of antagonism during the time limit stopper can insert one of them round hole, the other end and the handle of quick-change head are connected.

7. The universal spinal nail extraction kit of claim 6, wherein: the shape of the inner wall of the nail rod clamping joint is matched with the shape of the outer wall of a nail seat of the pedicle screw; the lower edge of the nail rod clamping connector is provided with a plurality of groups of nail rod clamping openings, and two nail rod clamping openings are symmetrically arranged in each group.

8. The universal spinal nail extraction kit of claim 1, wherein: still include disconnected nail extractor, disconnected nail extractor includes third handle, second tail-bar, clamping sleeve and second overcoat, wherein:

clamping jaws are arranged in a circular array mode at one end of the clamping sleeve, a first thread section is arranged in an inner cavity at the other end of the clamping sleeve, a second thread section is arranged on the outer wall of the clamping sleeve, a third tangent plane is arranged on the second thread section along the length direction of the clamping sleeve, a gap is reserved between the clamping jaws, and the middle part of the outer wall of each clamping jaw is gradually enlarged from one end far away from the first thread section to one end close to the first thread section and then gradually reduced;

one end of the second tail rod is in threaded connection with the second threaded section of the clamping sleeve, and the other end of the second tail rod is connected with the third handle;

the outer wall of the clamping sleeve is sleeved with the second outer sleeve, a fourth tangent plane matched with the third tangent plane of the first thread section is arranged at one end of an inner cavity of the second outer sleeve, and the other end of the second outer sleeve is limited at one end of the outer wall of the clamping jaw, which is gradually reduced.

9. The universal spinal nail extraction kit of claim 8, wherein: a second screw is arranged at the connecting end of the third handle and the second tail rod in a limiting way, and the second screw is in threaded connection with the first threaded section; the inner diameter of the second outer sleeve is larger than the outer diameter of the clamping sleeve, a circle of guide ring is arranged on the outer wall of the clamping sleeve, and the outer diameter of the guide ring is matched with the inner diameter of the second outer sleeve; the inner side surface of the clamping jaw is provided with reverse threads.

10. The method of claim 8, wherein the method comprises the steps of: the method comprises the following steps:

(1) The screw taking screwdriver and the screwdriver head are connected and then penetrate through the resisting sleeve, the resisting wrench is installed outside the resisting sleeve, the screw seat of the pedicle screw and the screw rod connected with the screw seat are locked through the resisting sleeve, one hand holds the resisting wrench, the other hand rotates the screw taking screwdriver, the jackscrew pressed on the screw rod in the screw seat is screwed and taken out through the screwdriver head, and then the screw rod is taken out;

(2) And if the nail seat is not damaged, replacing a screwdriver head capable of holding the nail seat on the nail taking screwdriver, taking out the nail seat and the screw rod through the screwdriver head, if the nail seat is damaged and only the screw rod part is left, firstly taking out a trepan screwdriver head below the nail taking screwdriver, cutting off bones around the broken nail, exposing the broken nail, clamping the broken screw through the broken nail extractor, and screwing out the screw in the opposite direction.

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