CN218010077U - Embedded type fusion device surgical instrument bag - Google Patents

Abstract

The utility model relates to an embedded fusion device surgical instrument bag, belonging to the field of medical instruments; it comprises a fusion device and an embedded sheet arranged on the fusion device; the device also comprises an instrument set used for installing the fusion cage and the embedded sheet; the instrument set comprises a spreader for spreading muscle tissues, a trepan for cutting lumbar vertebrae and a working sleeve for forming a working channel; the working sleeve can be respectively inserted into a test mould, a holding device and a clamping device. The utility model discloses have the effect of quick accurate installation integration ware.

Description

Embedded type fusion device surgical instrument bag

Technical Field

The utility model belongs to the technical field of medical instrument and specifically relates to an inserted sheet formula fuses ware surgical instruments package.

Background

The lumbar fusion cage is a medical appliance for filling the lumbar intervertebral space after the intervertebral disc is removed by the lumbar intervertebral disc operation. It is in the internal of health for a long time, mainly play the effect of balanced stable lumbar vertebrae, implant the bone grain in the fusion cage simultaneously, the bone tissue growth around the induced intervertebral space, can promote the hyperostosis in the tissue space like this, strengthen the stability of centrum. The main purpose is to fuse the intervertebral space into one piece. The interbody fusion cage exists in vivo for a long time, has a service life of about 25 years, and is a necessary medical instrument for modern lumbar vertebra operations.

Referring to fig. 1 and 2, the fusion cage 1 is further provided with an insert 2; the cage 1 is positioned between two vertebrae, and the insert 2 is installed on both upper and lower surfaces of the cage 1, and the insert 2 is used to connect the cage 1 and the vertebrae together.

In view of the above-mentioned related technologies, the inventor considers that the conventional apparatus is inconvenient in the process of installing the fusion cage, and the accuracy of installing the fusion cage is easily affected.

SUMMERY OF THE UTILITY MODEL

In order to conveniently and rapidly and accurately install the fusion cage, the utility model provides an embedded fusion cage surgical instrument bag.

The utility model provides a pair of inserted sheet formula fuses ware surgical instruments package adopts following technical scheme:

an embedded fusion device surgical instrument bag comprises a fusion device and an embedded piece arranged on the fusion device; the device also comprises an instrument set used for installing the fusion cage and the embedded sheet;

the instrument set comprises a spreader for spreading muscle tissues, a trepan for cutting lumbar vertebrae and a working sleeve for forming a working channel;

the working sleeve can be respectively inserted into a test mould, a holding device and a clamping device.

Through adopting above-mentioned technical scheme, the ware of strutting can strut muscle tissue, and the trepan excises the vertebra joint that needs the excision, and the working sleeve pipe can form working channel, and the examination mould can be measured the intervertebral space and confirm whether the fusion cage can install and go, avoids clearance undersize or too big to make the fusion cage can install carry out the intervertebral space, still can not lead to the fusion cage to produce because the clearance is too big and rock.

Optionally, the distractor is divided into a semi-cylindrical distractor, a full-cylindrical distractor and a rectangular distractor;

the semi-cylindrical spreader comprises an end head, a column body and a tail end which are sequentially and integrally formed, and only the end head is semi-cylindrical;

the cross section of the column body of the rectangular spreader is rectangular, and the end head and the tail end of the rectangular spreader are the same as those of the cylindrical spreader.

Through adopting above-mentioned technical scheme, the ware that struts of three kinds of different models can be selected according to the operation condition of reality and use, has increased the optional scope of the ware that struts, and then makes the operation can select to use according to the patient condition, conveniently struts the ware and struts musculature to the different condition.

Optionally, the trepan includes a cylindrical saw body and a saw blade provided at one end of the saw body;

the ring saw is divided into a semi-ring saw and a full-ring saw, and the semi-ring saw only has a saw blade in a semicircular shape.

Through adopting above-mentioned technical scheme, can select to use half trepan or full trepan according to the scope of cutting to avoid the scope of cutting too big, with good vertebra excision, half trepan can carry out more accurate cutting simultaneously, thereby can be suitable for in the accurate cutting operation of small circle.

Optionally, a trepan protection sleeve can be sleeved on the spreader, and after the spreader is pulled out, the trepan can be inserted into the trepan protection sleeve.

Through adopting above-mentioned technical scheme, the saw sword of trepan is very sharp, and the trepan gets into the in-process of human body and causes the damage to musculature, nervous tissue etc. easily, so be equipped with trepan protective case, can avoid the trepan to cause the damage to musculature.

Optionally, a curette can be inserted into the trephine protection sleeve and used for cleaning residues left after the trephine cuts the vertebrae.

Through adopting above-mentioned technical scheme, cause the residue of residue easily after the trepan cutting, clear up the residue through the curette, can avoid the residue to cause the influence to the installation of fusing the ware.

Optionally, the curette comprises three types of toothed curette, triangular curette and inverted curette.

Through adopting above-mentioned technical scheme, can select different curettage spoon according to the condition of difference, take the tooth curettage spoon because the existence of tooth can carry out the secondary cutting to the arch to carry out the work of flattening, the triangle is curetted curettage spoon and is got the scope bigger, clearance residue that can be quick, and the easier application of force of curettage spoon falls, thereby can cut hard arch, plays the effect of supplementary flattening.

Optionally, the holder includes a holding portion, a connecting portion, and a holding portion, which are sequentially and integrally formed;

the holding part comprises a rectangular butt joint block and a threaded rod arranged on the butt joint block, the thickness and the width of the butt joint block are the same as those of the fusion cage, and a threaded hole corresponding to the threaded rod is formed in the fusion cage;

the one end that the threaded rod kept away from the fusion cage stretches into and holds in the portion of getting and extend to the tail end of the outstanding handheld portion of portion along connecting portion, and the threaded rod can rotate along the axis of self.

Through adopting above-mentioned technical scheme, can make fusion ware and holding through the cooperation of threaded rod and screw hole link together, and can not separate easily to can conveniently through holding the ware with fusing accurate installation in suitable position of ware, and the tail end of the outstanding handheld portion of threaded rod, also the threaded rod tip drive threaded rod that conveniently locates through handheld portion rotates, makes holding the ware and fuses the ware separation, convenient operation.

Optionally, a positioning block is integrally formed at the end of the butt-joint block, and the positioning block is arranged close to one side of the butt-joint block;

the fusion device is provided with a positioning groove capable of accommodating the positioning block.

Through adopting above-mentioned technical scheme, the cooperation of locating piece and constant head tank can play the effect of initial positioning to the installation of fusing the ware to make things convenient for the quick installation of fusing ware and holding ware.

Optionally, the clamping device comprises a head and a rod body integrally formed with the head, and the head is provided with a clamping groove capable of accommodating the insert;

the inside ejector pad that can exert the thrust to the inserted sheet of still locating of head, the inside transfer line that is equipped with of body of rod, the one end and the ejector pad fixed connection of transfer line, the one end that the head was kept away from to the other one end protrusion body of rod of transfer line.

Through adopting above-mentioned technical scheme, press from both sides the ware and can press from both sides the inserted sheet and get, press from both sides the head of getting the ware and can stretch into in the work cover pipe, and the head can contact with the butt joint piece to install the inserted sheet on fusing the ware, and the ejector pad can make the inserted sheet and press from both sides the ware separation of getting, be convenient for press from both sides taking out of ware.

Optionally, a driver can be further mounted on the holder, the driver includes a flat driving portion and a round bar integrally formed with the driving portion, a rectangular through hole is formed in the butt joint block, and the driving portion can extend into the through hole.

Through adopting above-mentioned technical scheme, the ware of strikeing can be fixed the inserted sheet, makes the more stable installation of inserted sheet on fusing the ware, avoids inserted sheet and fuses the ware installation unstability to avoid causing the influence to the installation that fuses the ware.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the distracter distracts muscle tissues, the trepan cuts vertebrae, the trial mold measures the intervertebral space, the holding device holds the fusion cage between the vertebrae, the clamping device clamps the embedded sheets, and the embedded sheets are installed on the fusion cage, so that the installation of the fusion cage can be completed quickly and accurately;

2. the trepan protection sleeve can protect muscle tissues, nerve tissues and the like, avoids the injury of sharp saw blades on the trepan to the muscle tissues, the nerve tissues and the like, and avoids the secondary injury of an operation.

Drawings

Fig. 1 is a schematic structural diagram of a fusion cage in the background art.

FIG. 2 is a schematic view of two distractors in an embodiment.

Fig. 3-a is a schematic structural diagram of the all-round saw in the embodiment.

Fig. 3-b is a schematic structural view of the half-trepan in the embodiment.

FIG. 3-c is a schematic view showing the structure of the through hole of the circular saw in the embodiment.

Fig. 4 is a schematic structural view of the trepan protection sleeve in the embodiment.

Fig. 5 is a schematic structural view of the working sleeve in the embodiment.

Fig. 6-a is a schematic view of the inverted curette in the example.

Fig. 6-b is a schematic view of a triangular curette in an embodiment.

Fig. 6-c is a schematic view of a toothed curette in an embodiment.

FIG. 7 is a schematic structural diagram of a test mold in the example.

FIG. 8-a is a schematic view of the structure of the holder in the example.

FIG. 8-b is a schematic view of the engagement of the holder and the cage in the example.

FIG. 8-c is a schematic structural view of the highlighted threaded post in the example.

Fig. 9 is a schematic structural view of the gripper in the embodiment.

Fig. 10 is a sectional view of the gripper in the embodiment.

FIG. 11 is a schematic diagram of the structure of the impactor in the embodiment.

FIG. 12 is a schematic view of a rectangular distractor according to one embodiment.

FIG. 13 is a schematic illustration of a rectangular working sleeve in an embodiment.

Fig. 14 is a schematic structural diagram of the extractor in the embodiment.

Fig. 15 is a schematic diagram of a different structure of the extractor in the embodiment.

Description of the reference numerals: 1. a fusion device; 11. a threaded hole; 12. positioning a groove; 2. embedding sheets; 3. a distractor; 31. a tip; 32. a column body; 33. a tail end; 34. a circular hole; 35. a stress groove; 4. trepanning; 41. sawing the body; 42. a saw blade; 43. a force receiving portion; 5. a trepan protection sleeve; 51. marking a plate; 52. marking a target; 6. a working sleeve; 61. testing a mold; 611. a rod portion; 612. a die head; 7. a curette; 71. a handle; 72. a handle bar; 73. a spoon head; 731. a spoon head I; 732. a second spoon head; 733. a spoon head III; 8. a driver; 81. a driving part; 82. a round bar; 83. a fastener; 84. a baffle plate; 9. a beating and pulling device; 91. a slide bar; 92. a stopper; 93. a moving block; 94. a first clamping joint; 941. a clamping column; 942. a first clamping groove; 943. a first abdicating groove; 95. a second clamping head; 951. a clamping disc; 952. a second clamping groove; 953. a second abdicating groove; 10. a holding device; 101. a hand-held portion; 102. a connecting portion; 103. a holding part; 1031. a butt joint block; 1032. a threaded rod; 1033. positioning blocks; 1034. a through hole; 20. a gripper; 201. a head portion; 202. a rod body; 203. a card slot; 204. accommodating grooves; 2041. cushion blocks; 2042. a first inclined plane; 205. a pushing block; 2051. a second inclined plane; 206. a transmission rod; 207. a housing; 208. a limiting column; 209. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying fig. 1-15.

The embodiment of the utility model discloses inserted sheet formula fuses ware surgical instruments package. Referring to fig. 2 and 3-a, the plate-embedded fusion device surgical instrument kit comprises an instrument set for installing the fusion device 1 and the plate-embedded 2, the instrument set comprises a spreader 3 and a trepan 4, the spreader 3 is used for spreading muscle tissues, and then the trepan 4 is used for cutting the lumbar vertebra joint.

Referring to fig. 2, distractor 3 includes end 31, shaft 32 and tail end 33, end 31, shaft 32 and the homogeneous shaping of tail end 33, and still set up the round hole 34 that runs through end 31, shaft 32 and tail end 33 on the distractor 3, the axis coincidence of round hole 34 and shaft 32, can insert the guide pin in the round hole 34, the position that fuses ware 1 is put into with the needs to the guide pin aligns, thereby make distractor 3 get into the health when inside with the part alignment that needs the operation, so the guide pin can play the purpose of direction to the entering of distractor 3 with the cooperation of round hole 34.

Referring to fig. 2, the end 31 is divided into a semi-cylindrical type and a full-cylindrical type, and the distractor 3 is further formed into a semi-cylindrical distractor 3 and a full-cylindrical distractor 3, and the semi-cylindrical distractor 3 can be adapted to an inclined working mode because the end 31 is semi-circular.

Referring to fig. 2, a ring-shaped force-bearing groove 35 is formed in the tail end 33, and the force can be conveniently applied to the spreader 3 through the force-bearing groove 35, so that the spreader 3 can be conveniently taken out.

Referring to fig. 3-a, 3-b and 3-c, the trepan 4 includes a cylindrical saw body 41 and a saw blade 42 with one end of the saw body 41, and the other end of the saw body 41 is fixedly connected with a force-bearing part 43; the stress part 43 is composed of three stress plates which are uniformly distributed around the axis of the saw body 41, and the stress plates are fixedly connected with the saw body 41, so that the saw body 41 can be better driven to rotate through the stress part 43, and the saw blade 42 is driven to rotate to cut vertebral joints.

Referring to fig. 4, the ring saw protection sleeve 5 can be sleeved on the spreader 3, the spreader 3 is pulled out after the ring saw protection sleeve 5 is sleeved on the spreader 3, the ring saw 4 is carried out in the ring saw protection sleeve 5, the ring saw protection sleeve 5 can protect the muscle tissue, and the saw blade 42 is prevented from damaging the muscle tissue. The trepan protection sleeve 5 is also capable of guiding the incoming trepan 4.

Referring to fig. 4, the whole cylindrical tubulose that is of trepan protective sleeve 5, the front end of trepan protective sleeve 5 is semi-circular, make the use of trepan protective sleeve 5 more nimble, trepan protective sleeve 5's rear end fixedly connected with indicating device, indicating device is including mark 51 and the mark board 52 of symmetry setting in trepan protective sleeve 5 axis both sides, the equal fixed connection of mark 51 and mark board 52 is on trepan protective sleeve 5, and the breach department of mark 51 and trepan protective sleeve 5 front end aligns, the event is stretching into inside the musculature the time with trepan protective sleeve 5, can be to the position relation of clear trepan protective sleeve 5 through indicating device.

Referring to fig. 3-a, 3-b and 3-c, the circular saw 4 is divided into a full circular saw 4 and a half circular saw 4, and the saw blade 42 of the half circular saw 4 is semicircular; the inside cavity of full trepan 4 sets up, and the weight of full trepan 4 can not too big when can, makes things convenient for the operation of trepan 4 more. Half trepan 4's inside solid setting, and half trepan 4's inside round hole 34 with the coincidence of half trepan 4 axis is also offered to half trepan 4, because half trepan 4 is compared whole trepan 4 and is cut some vertebra, so the precision that half trepan 4 needs is higher, so round hole 34 has also been offered to half trepan 4 inside solid, and trepan protective case 5 and guide pin are mutually supported, can improve half trepan 4's cutting precision.

Referring to fig. 5, after the cutting of the vertebrae by the trepan 4 is completed, the distractor 3 is inserted into the trepan protection sleeve 5, then the trepan protection sleeve 5 is withdrawn, the working sleeve 6 is sleeved on the distractor 3, and then the operation of installing the fusion cage 1 is performed through the working sleeve 6. The working sleeve 6 can create a working channel, and the damage to the tissues such as muscles and nerves in the process of installing the fusion cage 1 is avoided. The rear end of the working sleeve 6 is also provided with an identification means.

Referring to fig. 6-a, 6-b and 6-c, a curette 7 can be further inserted into the trepan casing 5, and the curette 7 can clean residues generated by cutting the trepan 4, so that the residues are prevented from affecting the operation. The curette 7 comprises a handle 71, a handle rod 72 and a spoon head 73; the handle 72 is fixedly connected with the handle 71, the spoon head 73 is fixedly connected with one end of the handle 72 far away from the handle 71, and the spoon head 73 can be operated to clean residues through the handle 71.

Referring to fig. 6-b, the spoon head 73 includes a triangular frame-shaped spoon head one 731, a spoon head two with teeth 732, and a spoon head three with a reverse scrape 733; therefore, the curette 7 is divided into a triangular curette 7, a toothed curette 7 and a reverse curette 7 according to the difference of the curette heads 73, the three curettes 7 can be suitable for different conditions, residues can be conveniently cleaned, the cut parts of the vertebrae with uneven cutting can be conveniently leveled, and the fusion cage 1 can be conveniently installed.

Referring to fig. 6-b, the first spoon head 731 is a triangle frame, the vertex angle of the first spoon head 731 is fixedly connected with the handle bar 72, and the opposite side of the first spoon head 731 and the handle bar 72 has a knife edge, so that the residue can be cleaned, and the cleaning range of the triangle curette 7 is wider because the knife edge of the first spoon head 731 is longer.

Referring to fig. 6-c, the second spoon head 732 is in the shape of an elliptical spoon, and teeth are all present on the edge of the second spoon head 732, so that the scraper 7 with teeth can flatten the residual protrusion after cutting the vertebrae, facilitating the installation of the fusion device 1.

Referring to fig. 6-a, the spoon head three 733 is also in an elliptical spoon shape, but one end of the spoon head three 733, which is far from the handle bar 72, is tilted to form the spoon head three 733 into an inclined shape, and the blade of the spoon head three 733 is located on the side of the spoon head three 733, which is close to the handle bar 72, so that the inverted curette 7 can clean more stubborn residues and protrusions compared with the other two curettees 7.

Referring to fig. 7, a test mold 61 can be inserted into the working sleeve 6, the test mold 61 comprises a shaft 611 and a die 612 fixedly connected to the end of the shaft 611, and the size and the thickness of the die 612 are the same as those of the fusion cage 1; the die head 612 can extend between the cut vertebrae to measure the space between the vertebrae so that the cage 1 can be installed between the vertebrae.

Referring to fig. 8-a, the fusion cage 1 can be connected with a holder 10, the holder 10 comprises a handheld portion 101, a connecting portion 102 and a holding portion 103, the connecting portion 102 connects the handheld portion 101 and the holding portion 103 together, the holding portion 103 holds the fusion cage 1, and the handheld portion 101 is convenient for a doctor to hold. The holder 10 is used to visualize the cage 1 for holding and then visualize the joint where the cage 1 is installed to the vertebrae for filling the intervertebral space.

Referring to fig. 8-b and 8-c, the holding part 103 includes a rectangular docking block 1031 and a threaded rod 1032 disposed on the docking block 1031, a threaded hole 11 matching with the threaded rod 1032 is opened on the end of the fusion cage 1, and the threaded rod 1032 is in threaded connection with the threaded hole 11, so that the fusion cage 1 and the threaded rod 1032 are connected together, and the holding part 103 holds the fusion cage 1.

Referring to fig. 8-b and 8-c, the end of the threaded rod 1032 passes through the holding part 103 and the connecting part 102 and protrudes out of the end of the holding part 101, and the threaded rod 1032 can rotate along the axis of the threaded rod 1032, so that the rotation of the threaded rod 1032 can be controlled by protruding out of the end of the threaded rod 1032 of the holding part 101, and when the fusion cage 1 is installed in a vertebral space, the threaded rod 1032 can be rotated to separate the threaded rod 1032 from the fusion cage, thereby facilitating the operation of the threaded rod 1032.

Referring to fig. 8-b and 8-c, the end of the docking block 1031 is further integrally formed with a positioning block 1033, the positioning block 1033 is disposed at a side close to the docking block 1031, the positioning block 1033 is shaped like a T, a positioning groove 12 capable of accommodating the positioning block 1033 is disposed on a side wall of the fusion cage 1, the positioning block 1033 and the positioning groove 12 are matched to perform a preliminary positioning function on the preliminary connection between the fusion cage 1 and the holder 10, so that the fusion cage 1 can be conveniently mounted, meanwhile, the positioning block 1033 can prevent the fusion cage 1 from rotating, and the threaded rod 1032 and the fusion cage 1 can be conveniently separated from each other.

Referring to fig. 9 and 10, after the fusion cage 1 is installed, the insert 2 needs to be installed, so the clamping device 20 for clamping the insert 2 can be inserted into the working sleeve 6, the clamping device 20 comprises a rectangular head 201 and a rod body 202 integrally formed with the head 201, a clamping groove 203 is formed in the end part of the head 201 far away from the rod body 202, and the tail end of the insert 2 is clamped in the clamping groove 203. Holding tank 204 has still been seted up to the upper surface of head 201, is equipped with in the holding tank 204 and promotes piece 205, and has cushion 2041 on the part that holding tank 204 and draw-in groove 203 communicate, cushion 2041 and head 201 integrated into one piece, cushion 2041 can support inserted sheet 2, makes the more stable of cushion 2041 and installation.

Referring to fig. 9 and 10, the sidewall of the cushion block 2041 close to the accommodating groove 204 is provided with a first inclined surface 2042, the lower surface of the pushing block 205 is provided with a second inclined surface 2051, and the first inclined surface 2042 and the second inclined surface 2051 are opposite in inclination direction, so that the front end of the pushing block 205 can extend into the upper side of the cushion block 2041 to push the insert 2, the insert 2 is mounted on the fusion device 1, and meanwhile, the insert 2 is separated from the clamping device 20, so that the installation of the insert 2 is completed, and the clamping device 20 is taken out, and at this time, the clamping device 20 cannot drive the insert 2 to move.

Referring to fig. 9 and 10, a transmission rod 206 is inserted into the rod 202, one end of the transmission rod 206 is fixedly connected with the pushing block 205, and the other end of the transmission rod 206 protrudes out of one end of the rod 202 away from the head 201. The transmission rod 206 is movable in its axial direction. The push transmission rod 206 is stressed to drive the push block 205 to move, so that the push block 205 is conveniently driven to move.

Referring to fig. 9 and 10, a housing 207 integrally formed with the rod 202 is arranged at one end of the rod 202, which is far away from the head 201, the housing 207 is hollow, a limiting column 208 is inserted into one end of the housing 207, which is far away from the rod 202, the diameter of the limiting column 208 is larger than that of the transmission rod 206, the limiting column 208 and the transmission rod 206 are coaxial, the tail end of the transmission rod 206 extends into the housing 207 and is fixedly connected with the limiting column 208, a spring 209 sleeved on the transmission rod 206 is arranged inside the housing 207, and two ends of the spring 209 abut against the inner wall of the end of the housing 207 and the end of the limiting column 208 respectively. The spring 209 can power the return of the transmission rod 206 and facilitate the separation between the gripper 20 and the insert 2.

Referring to fig. 8, the docking block 1031 is provided with a through hole 1034 for the insertion piece 2 to pass through, so when the clamping device 20 clamps the insertion piece 2 and installs on the fusion cage 1, the holding device 10 does not need to be taken out, when the insertion piece 2 is installed, the holding device 10 can fix the fusion cage 1, the fusion cage 1 can be prevented from being displaced in the process of installing the insertion piece 2, and the fusion cage 1 is prevented from being damaged to the vertebrae.

Referring to fig. 8 and 11, a driver 8 for driving the insert 2 may be connected to the holder 10, the driver 8 includes a flat driving portion 81 and a round bar 82 integrally formed with the driving portion 81, and the driving portion 81 may be inserted into the through hole 1034 to completely drive the insert 2 into the fusion cage 1, thereby completing the installation of the insert 2. The connecting portion 102 is of a plate, the opening frame-shaped clamping piece 83 is mounted on the round rod 82, the inner wall of the opening of the clamping piece 83 is attached to the outer wall of the connecting portion 102, the clamping piece 83 can limit the driver 8, the limiter 8 can only move along the length direction of the connecting portion, transverse movement cannot occur, and therefore the driving portion 81 can accurately enter the through hole 1034.

Referring to fig. 11, a baffle 84 is fixedly connected to one end of the round rod 82, which is far away from the driving portion 81, the baffle 84 is disposed in an oval shape, and the baffle 84 can be attached to the end of the working sleeve 6, so that the baffle 84 plays a role of limiting, the end of the round rod 82 cannot enter the working sleeve 6, and the baffle 84 also facilitates application of force to the driver 8 to take out the driver 8.

Referring to fig. 12, the distractor 3 can also be a distractor 3 with a rectangular cross section, so that the distractor 3 can be selected from different models according to the requirements of the wound, and the distractor 3 with a rectangular cross section also comprises a head 31, a shaft 32 and a tail end 33.

Referring to fig. 13, a rectangular working sleeve 6 can be sleeved on the rectangular spreader 3, the rectangular working sleeve 6 is matched with the rectangular spreader 3 for use, a rectangular working channel can be formed, and the rectangular working channel can be suitable for operations under special conditions.

Referring to fig. 14 and 15, the opener 9 can be connected to the tail ends of the spreader 3, the working sleeve 6 and the test mold 61, the opener 9 includes a slide bar 91, a clamping portion fixedly connected to two ends of the slide bar 91, a stopper 92 and a moving block 93 sleeved on the slide bar 91, and the moving block 93 can slide along the slide bar 91. Joint portion and the tail end joint of spreader 3 or work sleeve 6 or examination mould 61, then move movable block 93 and remove the one end that slide bar 91 is close to joint portion, move movable block 93 to the direction that is close to dog 92 fast again, make movable block 93 cause the impact to dog 92, can make the ware 9 of drawing out remove through the impact force, and then drive spreader 3, work sleeve 6, the removal of examination mould 61, thereby conveniently spreader 3, work sleeve 6, taking out of examination mould 61, improve work efficiency.

Referring to fig. 14 and 15, the clamping portion is divided into two different types, namely a first clamping head 94 and a second clamping head 95; the first clamping head 94 comprises a clamping column 941 and a first clamping groove 942 arranged on the circumferential surface of the clamping column 941, the first clamping groove 942 extends towards the axis direction of the clamping column 941 and is not communicated with the clamping column 941, a first abdicating groove 943 is formed in the end part of the clamping column 941, and the first abdicating groove 943 is communicated with the first clamping groove 942; because the diameter of the clamp post 941 is smaller, the first clamp connector 94 is connected to the cylindrical distractor 3 and the test mold 61 for use.

Referring to fig. 14 and 15, the second clamping head 95 includes a clamping disk 951 and a second clamping groove 952 formed on the circumferential surface of the clamping disk 951, the end of the clamping disk 951 is provided with a second abdicating groove 953, the second abdicating groove 953 is communicated with the second clamping groove 952, because the diameter of the clamping disk 951 is larger than that of the clamping column 941, the width of the second clamping groove 952 is larger than that of the first clamping groove 942, and the second abdicating groove 953 is larger than that of the first abdicating groove 943, so that the second clamping head can be connected with the rectangular spreader 3 and the working sleeve 6 for use.

The embodiment of the utility model provides an implementation principle of inserted sheet formula fusion cage surgical instruments package does: the muscle tissue of a part needing to be operated is propped open by the spreader 3, the rectangular or cylindrical spreader 3 can be selected according to the actual operation condition, a trepan 4 sleeve is sleeved on the spreader 3, after the trepan 4 sleeve is installed, the spreader 3 is drawn out, the trepan 4 is stretched into the trepan 4 sleeve, the vertebra needing to be cut is cut, a half trepan 4 or full trepan 4 can be selected according to the actual condition, after the cutting is finished, the cut residue is cleaned by the curette 7, and meanwhile, the curette 7 can be used for leveling the cut part; reinserting the spreader 3 in the trepan 4 sleeve, then sleeving the working sleeve 6 on the spreader 3, after the working sleeve 6 is stably installed, drawing out the spreader 3, inserting the test die 61 to measure the intervertebral space, after confirming that the fusion cage 1 can be installed, holding the fusion cage 1 by the holding device 10, then installing the fusion cage 1 to the position needing to be installed through the working sleeve 6, then clamping the embedded sheet 2 by the clamping device 20, installing the embedded sheet 2 on the fusion cage 1, then fixing the embedded sheet 2 by the driver 8, and finally taking out the holding device 10 and the working sleeve 6.

Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. An embedded fusion cage surgical instrument bag comprises a fusion cage (1) and an embedded sheet (2) arranged on the fusion cage (1); the method is characterized in that: the device also comprises an instrument set used for installing the fusion cage (1) and the embedded sheet (2);

the instrument set comprises a spreader (3) for spreading muscle tissues, a trepan (4) for cutting lumbar vertebrae and a working sleeve (6) for forming a working channel;

the working sleeve (6) can be respectively inserted into the test mold (61), the holding device (10) and the clamping device (20).

2. The blade-insertion cage surgical kit according to claim 1, wherein: the spreader (3) is divided into a semi-cylindrical spreader (3), a full-cylindrical spreader (3) and a rectangular spreader (3);

the distractor (3) comprises an end head (31), a column body (32) and a tail end (33) which are sequentially and integrally formed, and the semi-cylindrical distractor (3) is only provided with the end head (31) in a semi-cylindrical shape;

the cross section of a column body (32) of the rectangular distractor (3) is rectangular, and the end head (31) and the tail end (33) are the same as the end head (31) and the tail end (33) of the cylindrical distractor (3).

3. The blade-insertion cage surgical kit according to claim 1, wherein: the trepan (4) comprises a cylindrical saw body (41) and a saw blade (42) arranged at one end of the saw body (41);

the circular saw (4) is divided into a semi-circular saw (4) and a full-circular saw (4), and the semi-circular saw (4) is only provided with a saw blade (42) which is semicircular.

4. The blade-insertion cage surgical kit according to claim 1, wherein: the trepan protection sleeve (5) can be sleeved on the spreader (3), and the trepan (4) can be inserted into the trepan protection sleeve (5) after the spreader (3) is pulled out.

5. The blade-insertion cage surgical kit according to claim 4, wherein: a curette (7) can be inserted into the trepan protection sleeve (5), and the curette (7) is used for cleaning the residue left after the trepan (4) cuts the vertebrae.

6. The blade-insertion cage surgical kit according to claim 5, wherein: the curette (7) comprises three types, namely a toothed curette (7), a triangular curette (7) and a reverse curette (7).

7. The panel-style cage surgical kit of claim 1, wherein: the gripper (10) comprises a gripping part (103), a connecting part (102) and a handheld part (101) which are sequentially arranged and integrally formed;

the holding part (103) comprises a rectangular docking block (1031) and a threaded rod (1032) arranged on the docking block (1031), the thickness and the width of the docking block (1031) are the same as those of the fusion cage (1), and a threaded hole (11) corresponding to the threaded rod (1032) is formed in the fusion cage (1);

one end of the threaded rod (1032) far away from the fusion cage (1) extends into the holding part (103) and extends to the tail end (33) of the handheld part (101) protruding out of the handheld part (101) along the connecting part (102), and the threaded rod (1032) can rotate along the axis of the threaded rod.

8. The blade-insertion cage surgical kit according to claim 7, wherein: a positioning block (1033) is further integrally formed at the end part of the butting block (1031), and the positioning block (1033) is arranged close to one side of the butting block (1031);

the fusion device (1) is provided with a positioning groove (12) which can contain the positioning block (1033).

9. The blade-insertion cage surgical kit according to claim 1, wherein: the clamping device (20) comprises a head part (201) and a rod body (202) which is integrally formed with the head part (201), and a clamping groove (203) capable of containing the embedded sheet (2) is formed in the head part (201);

the inside ejector pad that can exert the thrust to inserted sheet (2) that still locates of head (201), the inside transfer line (206) of being equipped with of body of rod (202), the one end and the ejector pad (205) fixed connection of transfer line (206), the one end that the head (201) was kept away from in the protruding body of rod (202) of the other one end of transfer line (206).

10. The blade-insertion cage surgical kit according to claim 7, wherein: the fastener (10) can be further provided with a driver (8), the driver (8) comprises a flat driving part (81) and a round rod (82) integrally formed with the driving part (81), a rectangular through hole (1034) is formed in the butt joint block (1031), and the driving part (81) can extend into the through hole (1034).

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