阅读说明：本技术 一种颈椎自稳式融合器、其持取器及系统 (Cervical vertebra self-stabilization type fusion cage, and holder and system thereof ) 是由 秦勇 其他发明人请求不公开姓名 于 2019-08-26 设计创作，主要内容包括：本发明涉及一种颈椎自稳式融合器、其持取器及系统,融合器包括融合本体、上固定钉、下固定钉和阻挡结构,融合本体的前壁上设有锁定螺纹孔、上固定钉以及下固定钉,融合本体的侧壁外部设有待持取构件,阻挡结构的螺纹杆在锁定螺纹孔内锁紧时,其锁片恰好能够同时遮挡并压紧上固定钉和下固定钉；持取器包括抓取头、连接件以及其内设有滑孔的滑套,抓取头具有近侧杆和从近侧杆延伸的一对抓取臂,抓取臂的自由端伸出滑孔,且其上设有持取构件,连接件上形成的第一挡块与滑套形成的第二挡块之间设有弹性件；系统具有上述融合器和上述持取器,上述待持取构件与上述持取构件相适配。本发明的融合器、其持取器及系统,结构简单,操作简便。(The invention relates to a self-stabilizing type fusion cage for cervical vertebra, a holding device and a system thereof, wherein the fusion cage comprises a fusion body, an upper fixing nail, a lower fixing nail and a blocking structure, a locking threaded hole, the upper fixing nail and the lower fixing nail are arranged on the front wall of the fusion body, a component to be held is arranged outside the side wall of the fusion body, and when a threaded rod of the blocking structure is locked in the locking threaded hole, a locking plate of the blocking structure can just shield and press the upper fixing nail and the lower fixing nail; the gripper comprises a gripping head, a connecting piece and a sliding sleeve with a sliding hole arranged in the gripping head, the gripping head is provided with a near side rod and a pair of gripping arms extending from the near side rod, the free ends of the gripping arms extend out of the sliding hole, a gripping member is arranged on the gripping arm, and an elastic piece is arranged between a first stop block formed on the connecting piece and a second stop block formed on the sliding sleeve; the system is provided with the fusion device and the holding device, and the member to be held is matched with the holding member. The fusion cage, the holder and the system thereof have simple structure and simple and convenient operation.)

1. A self-stabilizing fusion cage for cervical vertebrae, comprising:

the fusion body is provided with a front wall and a pair of opposite side walls, the front wall of the fusion body is provided with a locking threaded hole, and a component to be held is arranged outside the side walls of the fusion body;

the fusion body comprises an upper fixing nail and a lower fixing nail, wherein the upper fixing nail and the lower fixing nail are arranged on the front wall of the fusion body, the upper fixing nail is used for being connected with an upper vertebral body, the lower fixing nail is used for being connected with a lower vertebral body, and the locking threaded hole is positioned between the upper fixing nail and the lower fixing nail;

and the number of the first and second groups,

block the structure, block the structure and include threaded rod and locking plate, the locking plate is connected the first end of threaded rod is worked as the threaded rod is in during locking threaded hole locking, the locking plate is in preventing withdrawing position, is in when preventing withdrawing position, the locking plate can shelter from simultaneously and compress tightly go up the staple with down the staple.

2. The self-stabilizing cervical vertebra fusion cage of claim 1, wherein the thread start position of the threaded rod is matched with the thread start position of the locking threaded hole so that the locking plate can be in an anti-withdrawal position when the threaded rod is locked in the locking threaded hole.

3. The cervical self-stabilizing fusion cage of claim 1, wherein the fusion body comprises:

the fixing body is provided with the front wall and the pair of opposite side walls, and a clamping hook and a convex block are arranged inside the side walls of the fixing body; and the number of the first and second groups,

the fuse body, the fuse body has front end and a pair of relative both sides end, the antetheca of the fixed body hugs closely the front end of fuse body, the corresponding position of fuse body both sides end all be equipped with pothook transition complex joint groove and with lug transition complex recess.

4. The cervical spine self-stabilizing fusion cage of claim 1 wherein the threaded rod has a tapered second end and the locking threaded hole has a tapered portion, the second end of the threaded rod fitting into the tapered portion of the locking threaded hole.

5. A holder for implanting a cervical self-stabilizing fusion cage, comprising:

the sliding sleeve is internally provided with a sliding hole which is arranged along the axial direction of the sliding sleeve;

a gripper head having a proximal shaft and a pair of gripper arms extending from the proximal shaft, the gripper arms having sequentially connected free ends, tapered portions, and portions adjacent to the proximal shaft, the portions of the gripper arms adjacent to the proximal shaft and the proximal shaft being slidably received in the slide holes, the free ends of the gripper arms extending out of the slide holes, the free ends of the gripper arms being provided with gripping members thereon; and the number of the first and second groups,

a connector, the proximal rod connected to a first end of the connector; the connecting piece is characterized in that a first stop block is formed outside the side wall of the connecting piece, a second stop block is formed inside the side wall of the sliding sleeve, and an elastic piece is arranged between the first stop block and the second stop block.

6. The holder for implanting the self-stabilizing fusion cage of the cervical vertebra according to claim 5, wherein a ring of annular push block is formed outside the side wall of the sliding sleeve.

7. The holder of claim 5, further comprising a fixing member and a holding portion, wherein the holding portion has a connecting hole axially penetrating therethrough, the connecting member is disposed through the connecting hole, and a second end of the connecting member is connected to a first end of the fixing member, and a second end of the fixing member is disposed at a distal end of the holding portion.

8. The holder for implanting a self-stabilizing fusion cage of cervical vertebrae of claim 5, wherein the elastic member is a spring.

9. A cervical self-stabilizing fusion cage implant system, comprising:

the self-stabilizing cervical spine fusion cage according to any one of claims 1 to 4; and the number of the first and second groups,

a holder according to any one of claims 5 to 8; wherein the holding member is adapted to the member to be held.

10. The self-stabilizing cervical vertebra fusion cage implantation system according to claim 9, wherein the grasping arm is further provided with a mounting portion for the upper fixing nail and the lower fixing nail to pass through when being mounted.

Technical Field

The invention relates to the field of medical instruments, in particular to a cervical vertebra self-stabilizing fusion cage, a holding device and a system thereof.

Background

Intervertebral joint degeneration and peripheral tissue compression caused by chronic strain are main causes of cervical spondylosis, and a series of cervical nerve root syndromes seriously affect the life of patients. The anterior decompression fusion of cervical spondylopathy is the first operation of degenerative cervical spondylopathy that conservative treatment is invalid, but many cases show after the operation, to cervical spondylopathy conventional adoption anterior cervical steel plate and PEEK fusion ware combination operation formula, appear the steel sheet and become flexible, PEEK fusion ware shifts, foreign body sensation and dysphagia phenomenon between the neck, especially when using three or four long-range neck front plates to fix, it is comparatively difficult to install, and the degeneration of near-segment centrum is accelerated easily, in addition, when fixing steel sheet and fusion ware together and implanting, the set screw that fixes steel sheet and fusion ware as an organic whole also withdraws from easily in human activity, set screw can cause the oppression to the centrum, bring the sick pain to the human body, and general screw thread anti-withdrawal device structure is complicated, and is with high costs, the troublesome poeration.

The operation of cervical fusion is a relatively complex operation, and because the front part of the operation is provided with an esophagus, the two sides of the operation are provided with vertebral arteries, and the incision is small, the implantation tool of the fusion device plays an important link role in the whole operation. When the fusion cage is installed, a hand hammer is usually needed, if the fusion cage is mistakenly driven too deeply, even the spinal nerves are pressed, and complications such as cervical and spinal nerve pain compression and hand numbness are caused. In addition, when the fusion device is implanted, the holding device of the fusion device is generally held by operating the holding jaws to bite the upper and lower openings of the implant, so that the holding force is often provided by manually operating the forceps handles, which is not stable enough and is troublesome to operate.

Disclosure of Invention

The invention aims to solve the problems in the related art and provide a self-stabilizing fusion cage for cervical vertebrae, which is simple in operation, low in cost and difficult in loosening of a fusion cage assembly.

The invention also aims to provide a retainer which has simple structure, simple and convenient operation and stable retaining force, and a fusion cage implanting system consisting of the fusion cage and the retainer.

In order to achieve the purpose, the invention adopts the technical scheme that:

a cervical self-stabilizing fusion cage comprising:

the fusion body is provided with a front wall and a pair of opposite side walls, the front wall of the fusion body is provided with a locking threaded hole, and a component to be held is arranged outside the side walls of the fusion body;

the fusion body comprises an upper fixing nail and a lower fixing nail, wherein the upper fixing nail and the lower fixing nail are arranged on the front wall of the fusion body, the upper fixing nail is used for being connected with an upper vertebral body, the lower fixing nail is used for being connected with a lower vertebral body, and the locking threaded hole is positioned between the upper fixing nail and the lower fixing nail; and the number of the first and second groups,

block the structure, block the structure and include threaded rod and locking plate, the locking plate is connected the first end of threaded rod is worked as the threaded rod is in during locking threaded hole locking, the locking plate is in preventing withdrawing position, is in when preventing withdrawing position, the locking plate can shelter from simultaneously and compress tightly go up the staple with down the staple.

According to the self-stabilizing type fusion cage for the cervical vertebra, when the threaded rod is locked in the locking threaded hole, the locking plate can be just positioned at the anti-withdrawing position, the structure is simple, the operation is simple and convenient, and the fusion cage assembly (the upper fixing nail and the lower fixing nail) is not easy to loosen after being implanted into a human body.

Preferably, the thread starting position of the threaded rod is matched with the thread starting position of the locking threaded hole so that the locking piece can be in the anti-withdrawing position when the threaded rod is locked in the locking threaded hole. According to the self-stabilizing type fusion cage for the cervical vertebra, the thread starting position of the threaded rod and the thread starting position of the locking threaded hole are controlled, so that when the threaded rod is locked in the locking threaded hole, the locking plate can be just positioned at the anti-withdrawing position, the structure is simple, and the operation is simple and convenient.

Preferably, the fusion body comprises:

the fixing body is provided with the front wall and the pair of opposite side walls, and a clamping hook and a convex block are arranged inside the side walls of the fixing body; and the number of the first and second groups,

the fuse body, the fuse body has front end and a pair of relative both sides end, the antetheca of the fixed body hugs closely the front end of fuse body, the corresponding position of fuse body both sides end all be equipped with pothook transition complex joint groove and with lug transition complex recess.

Preferably, the threaded rod has a tapered second end and the locking threaded bore has a tapered portion, the second end of the threaded rod fitting into the tapered portion of the locking threaded bore to prevent the blocking structure from falling out of the locking threaded bore during shipping.

The invention also provides a holding device for implanting the self-stabilizing fusion cage for cervical vertebra, which comprises:

the sliding sleeve is internally provided with a sliding hole which is arranged along the axial direction of the sliding sleeve;

a gripper head having a proximal shaft and a pair of gripper arms extending from the proximal shaft, the gripper arms having sequentially connected free ends, tapered portions, and portions adjacent to the proximal shaft, the portions of the gripper arms adjacent to the proximal shaft and the proximal shaft being slidably received in the slide holes, the free ends of the gripper arms extending out of the slide holes, the free ends of the gripper arms being provided with gripping members thereon; and the number of the first and second groups,

a connector, the proximal rod connected to a first end of the connector; the connecting piece is characterized in that a first stop block is formed outside the side wall of the connecting piece, a second stop block is formed inside the side wall of the sliding sleeve, and an elastic piece is arranged between the first stop block and the second stop block.

According to the holding device, the two grabbing arms of the grabbing head are unfolded and tightened through the sliding sleeve, the holding member is matched and connected with the member to be held on the fusion device when the fusion device is tightened, the fusion device is held and taken, when the holding device is used, the sliding sleeve is simply pushed, the holding member is placed on two sides of the member to be held and taken, and then the holding member and the member to be held and taken on the fusion device can be matched and connected under the action of the elastic piece.

Preferably, a ring of annular push block is formed outside the side wall of the sliding sleeve.

Preferably, the handle comprises a fixing part and a holding part, wherein a connecting hole which is communicated along the axial direction of the holding part is formed in the holding part, the connecting part is arranged in the connecting hole in a penetrating mode, the second end of the connecting part is connected with the first end of the fixing part, and the second end of the fixing part is arranged at the tail end of the holding part.

The invention also provides a cervical self-stabilizing fusion cage implantation system, comprising:

the self-stabilizing fusion cage for the cervical vertebra; and the number of the first and second groups,

a holder as described above; wherein the holding member is adapted to the member to be held.

Preferably, the grabbing arm is further provided with a mounting portion for the upper fixing nail and the lower fixing nail to penetrate through when being mounted.

The self-stabilizing type fusion cage for the cervical vertebra, the holding device and the system thereof provided by the invention can bring at least one of the following beneficial effects:

1. the self-stabilizing type fusion cage for the cervical vertebra can play a role in preventing the upper fixing nail and the lower fixing nail from withdrawing while the blocking structure is screwed down, has a simple structure and is easy and convenient to operate, and the upper fixing nail and the lower fixing nail are not easy to loosen after being implanted into a human body.

2. The holding device for implanting the self-stabilizing fusion cage for the cervical vertebra can realize the matching connection of the holding component and the component to be held through the sliding of the sliding sleeve and the resilience effect of the elastic part after the sliding of the sliding sleeve, so as to further realize the holding of the fusion cage.

3. The cervical vertebra self-stabilizing fusion cage implanting system provided by the invention is provided with the fusion cage and the holder, can well implant and fix the fusion cage in a human body, and is simple and convenient to operate and good in application prospect.

Drawings

The above features, technical characteristics, advantages and implementation of a self-stabilizing fusion cage for cervical vertebrae, its holder and system will be further described in the following detailed description of preferred embodiments in a clearly understandable manner in conjunction with the accompanying drawings.

FIG. 1 is a schematic structural view of a blocking structure of the self-stabilizing fusion cage for cervical vertebrae of the present invention in a vertical state;

FIG. 2 is a schematic structural view of the self-stabilizing cage for cervical vertebrae according to the present invention when the blocking structure is tightened;

FIG. 3 is a schematic structural view of the fusion body of the present invention;

FIG. 4 is a schematic structural elevation view of a barrier structure of the present invention;

FIG. 5 is a schematic side view of a barrier structure of the present invention;

FIG. 6 is a cross-sectional view of a portion of the fusion body including a locking threaded bore (i.e., an anchor) of the present invention;

FIG. 7 is a schematic structural view of the cage body of the present invention;

FIG. 8 is a schematic structural view of the fixing body of the present invention;

FIG. 9 is a schematic view of the structure of the holder of the present invention;

FIG. 10 is a schematic view of the configuration of the gripper head of the present invention;

FIG. 11 is an enlarged view of the portion of the holder of FIG. 9 having the resilient member;

FIG. 12 is a schematic structural view of the sliding sleeve of the present invention;

FIG. 13 is a schematic view of the holder of the present invention as it would hold a cage.

The reference numbers illustrate:

100-a fusion device;

110-fusion body, 111-fusion device body, 112-fixing body, 113-member to be held, 114-locking threaded hole, 115-hook, 116-bump, 117-clamping groove and 118-groove;

120-blocking structure, 121-locking tab, 122-threaded rod, 123-first thread start, 124-second thread end;

130-fixing nails;

140-lower staple;

200-a holding device;

210-gripper head, 211-proximal shaft, 212-tapered section, 213-holding member, 214-mounting section;

220-an elastic member;

230-a sliding sleeve, 231-an annular push block, 232-a second stop block;

240-connector, 241-first stop;

250-a fixture;

260-a grip portion.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

Example 1

A self-stabilizing fusion cage 100 for cervical vertebrae is disclosed, as shown in FIGS. 1-3, comprising a fusion body 110, an upper fixing nail 130, a lower fixing nail 140 and a blocking structure 120, wherein the fusion body 110 has a front wall and a pair of opposite side walls, the front wall of the fusion body 110 is provided with a locking threaded hole 114, the upper fixing nail 130 and the lower fixing nail 140, the outside of the side wall of the fusion body 110 is provided with a member to be held 113, specifically, the member to be held is a holding groove, the upper fixing nail 130 is used for connecting with an upper vertebral body, the lower fixing nail is used for connecting the lower vertebral body 140, the locking threaded hole 114 is located between the upper fixing nail 130 and the lower fixing nail 140, specifically, the front wall of the fusion body 110 is provided with an upper fixing hole and a lower fixing hole, further, the upper fixing hole and the lower fixing hole are threaded holes, the upper fixing nail and the lower fixing nail are self-tapping universal screws, self-drilling universal screws, self-tapping universal drilling, the diameter is conventionally adopted to be 3.5mm, 4.0mm and 4.5mm, wherein the 4.5mm screw is used as a renovation screw, the included angle of the cross sections of the two screws is about 20 degrees +/-3 degrees, the included angle of the deformed surface is 37 degrees +/-6 degrees, the locking threaded hole 114 is positioned between the upper fixing hole and the lower fixing hole, the upper fixing nail 130 and the lower fixing nail 140 are correspondingly arranged in the upper fixing hole and the lower fixing hole and obliquely extend out of the front wall of the fusion body 110, and the extending parts of the upper fixing nail 130 and the lower fixing nail 140 are respectively and correspondingly used for being connected with the upper vertebral body and the lower vertebral body of the human body, so that the fusion device can be firmly fixed in the human body and is not easy to move between the vertebral bodies of.

As shown in fig. 3-4, the blocking structure 120 includes a threaded rod 122 and a locking plate 121, the locking plate 121 is connected to a first end of the threaded rod 122, specifically, the locking plate 121 has a length greater than its width, when the threaded rod 122 is locked in the locking threaded hole 114, the locking plate of the blocking structure 120 is in an anti-withdrawal position (specifically, a transverse position, i.e., the position shown in fig. 2), when the threaded rod 122 is in the anti-withdrawal position, the locking plate of the blocking structure 120 can simultaneously block and press the upper fixing pin 130 and the lower fixing pin 140, further, when the threaded rod 122 is not locked, the locking plate of the blocking structure 120 is in a vertical position (i.e., the position shown in fig. 1), the locking plate is not blocked between the upper fixing pin 130 and the lower fixing pin 140, the threaded rod 122 is locked after being rotated by 90 degrees, when the locking plate 121 is just in the transverse position, the locking, preventing the upper and lower fixing pins 130 and 140 from being withdrawn.

In this embodiment, when the threaded rod is locked, the locking plate is just in the anti-withdrawal position, and can play a role in preventing the upper fixing nail and the lower fixing nail from withdrawing and preventing the upper fixing nail and the lower fixing nail from compressing the spine. Meanwhile, compared with other devices for locking the locking plate after rotating the locking plate to a certain position, the locking plate can be firmly locked at the anti-withdrawing position without additional setting of a self-locking component of the locking plate, so that the material is saved, the operation is simple and convenient, and the anti-withdrawing effect is good.

As a preferred embodiment thereof, as shown in fig. 4-6, the thread start position (i.e., first thread start position 123) of threaded rod 122 is adapted to the thread start position (i.e., second thread end position 124) of the locking threaded bore to enable the locking tab to be in the anti-back-out position when threaded rod 122 is locked within the locking threaded bore. Specifically, the locking plate is waist-shaped, and the thread start position of the threaded rod is the same as the thread end position of the locking threaded hole, or the thread end position of the threaded rod is the same as the thread start position of the locking threaded hole.

In some examples of the invention, in order to ensure that the locking plate is always in a transverse position relative to the steel plate when being screwed, in order to realize the function, the position relationship between the starting teeth of the threads of the locking threaded hole and the final teeth of the threads of the threaded rod is controlled, and simultaneously, in order to realize the interchangeability of the cervical vertebra self-stabilizing fusion cage, when the cervical vertebra self-stabilizing fusion cage is designed, the starting teeth positions of all the locking threaded holes (namely the starting positions of the threads at one end far away from the fusion cage body) can be designed to be in a 0-degree position (when the locking plate is horizontally placed), and simultaneously, the final teeth of the threads on the threaded rod (the starting positions of the threads at one end close to the locking plate) are also in a 0-degree position (when the locking plate is horizontally placed), so that the locking plate is in the transverse position in the screwing state to realize the interchangeability of the cervical vertebra self-, when the threaded rod is screwed down in the locking threaded hole, the locking plate is just in the transverse position, and the function of just shielding and pressing the upper fixing nail and the lower fixing nail simultaneously can be achieved.

As a preferred embodiment thereof, as shown in fig. 3 and 7-8, the fusion body 110 comprises a fixing body 112 and a fusion device body 111, as shown in fig. 8, the fixing body 112 has a front wall and a pair of opposite side walls, specifically, the front wall of the fixing body is provided with the above-mentioned locking screw hole 114, an upper fixing hole and a lower fixing hole, the above-mentioned member to be held 113 is provided on the outside of each side wall of the fixing body, and the inside of the side wall of the fixing body is provided with a hook 115 and a projection 116, as shown in fig. 7, the fusion device body 111 has a front end and a pair of opposite side ends, the fusion device body 111 further has a rear end, a top surface and a bottom surface, the bottom surface and the top surface are tooth surfaces, the tooth surfaces can stimulate bone growth after being implanted into a human body, promote healing, and reduce postoperative rehabilitation time, the front wall of the fixing body 112 is closely attached to the front end of the fusion device body 111, and the corresponding positions of the two side ends of the fusion device body 111, more specifically, the hooks 115 are in transition fit with the snap grooves 117, and the protrusions 116 are in transition fit with the grooves 118 so that the fixing body 112 and the fusion cage body 111 are connected without relative movement up and down, left and right, and front and back, thereby realizing a stable combination of the fixing body 112 and the fusion cage body 111, and further, the fixing body 112 is a steel plate.

As a preferred embodiment thereof, the threaded rod has a tapered second end, the locking threaded hole has a tapered portion, and the second end of the threaded rod is adapted to the tapered portion of the locking threaded hole. More specifically, the second tip of threaded rod is the toper, and the part that locking screw hole is close to the fusion ware body is the toper, and the toper pole riveting is in the bell mouth and size looks adaptation between them, and the bell mouth can be fine avoid the locking plate to drop in the transportation.

Example 2

A holder 200 for implanting a self-stabilizing fusion device of cervical vertebrae, as shown in Figs. 9 to 11, comprises a sliding sleeve 230, a grasping head 210 and a connecting member 240, the sliding sleeve 230 being provided with a sliding hole arranged along an axial direction thereof, the grasping head 210 having a proximal rod 211 and a pair of grasping arms extending from the proximal rod 211, the grasping arms having a free end, a tapered portion 212 and a portion near the proximal rod connected in this order, the portion of the grasping arms near the proximal rod and the proximal rod 211 being slidably received in the sliding hole, the free ends of the grasping arms protruding out of the sliding hole, the grasping arms being provided at their free ends with a grasping member 213, further, the tapered portion 212 being tapered, the proximal rod 211 being connected to a first end of the connecting member 240, a first stopper 241 being formed outside a side wall of the connecting member 240, a second stopper 232 being formed inside a side wall of the sliding sleeve 230, an elastic member 220 being provided between the first stopper 241 and the second stopper 232, and, specifically, the tapered part is conical, the elastic piece is a spring, and the holding component is a clamping block matched with the holding groove.

In this embodiment, slide the sliding sleeve rightward, the convergent portion on the snatching arm stretches out from the slide opening, it struts to snatch the head, the elastic component is compressed, can place holding of ware and get the component and wait to hold the both sides of getting the piece at corresponding fusion ware, loosen the sliding sleeve, the elastic component kick-backs, the automatic left branch of sliding sleeve moves, it tightens up to snatch the head, holding of ware is got the component and is held with waiting on the fusion ware and get the component cooperation and be connected, reach and hold the mesh of getting the fusion ware, and the operation is thus simple, moreover, the steam generator is simple in structure, it is easy and simple to handle and the helping.

As a preferred embodiment, as shown in fig. 12, a ring-shaped pushing block 231 is formed outside the sidewall of the sliding sleeve 230 to facilitate the sliding of the sliding sleeve.

As a preferred embodiment, as shown in fig. 9, the holder 200 further includes a fixing member 250 and a holding portion 260, a connecting hole penetrating along an axial direction of the holding portion 260 is formed in the holding portion 260, the connecting member 240 is inserted into the connecting hole, and a second end of the connecting member is connected to a first end of the fixing member 250, a second end of the fixing member 250 is provided at a distal end of the holding portion 260, specifically, the holding portion 260 is a handle, and the fixing member 250 is a tail cap. The portion of gripping conveniently grips of holding the ware, conveniently holds and gets the fusion ware, fixes the connecting piece on the portion of gripping through the mounting, and fixed reliability is high.

Example 3

A self-stabilizing type fusion device implanting system for cervical vertebra comprises a self-stabilizing type fusion device 100 for cervical vertebra and a holding device 200 for cervical vertebra, wherein a holding component 213 is matched with a component 113 to be held, specifically, the component 113 to be held is a holding groove formed in the side wall of a fusion body, the holding component 213 is a clamping block formed on a grabbing head, the holding groove is matched with the size of the clamping block, and when the clamping block is clamped, the clamping block is arranged in the corresponding holding groove, so that the holding of the fusion device can be realized.

In the embodiment, the self-stabilizing fusion cage implanting system for the cervical vertebra has the advantages of simple operation of the clamping process of the fusion cage, simple structure and stable holding force of the holding device.

As a preferred embodiment, as shown in fig. 10, the gripper arm is further provided with a mounting portion 214 for the upper fixing nail and the lower fixing nail to pass through when being mounted, and specifically, the mounting portion 214 is a mounting hole which is provided on the gripper arm and can be used for the upper fixing nail and the lower fixing nail to pass through. In the time of in-service use, fuse ware body and fixed body implantation human body earlier usually, then install staple and lower staple again, the installation department is convenient goes up the installation of staple and staple down, specifically, hold the ware and plant the human back of fuse the ware, above-mentioned mounting hole corresponds the intercommunication with last fixed orifices down on the ware with fuse, consequently, can correspond last fixed orifices and the lower fixed orifices of squeezing into on the ware respectively with last staple and lower staple through above-mentioned mounting hole, be convenient for fuse the ware fixed in human.