技术领域technical field
本发明涉及医疗器械领域，特别地，涉及一种植骨器。The invention relates to the field of medical devices, in particular to a bone implant.
背景技术Background technique
目前，治疗脊柱结核或者肿瘤引起的骨质缺损主要采用病灶清除和植骨的手术方法。前路手术便于植骨，但是，对周围组织器官损伤可能性大，术后并发症多；切口大，出血多，手术及麻醉时间长；胸椎结核需要切断多根肋骨，结扎多节段血管；住院时间长，手术费用高，内固定取出困难；手术步骤繁琐，操作复杂。为了克服前路植骨方法的上述缺陷，临床逐渐采用后路植骨方法治疗脊柱结核或者肿瘤引起的骨质缺损，且后路植骨方法因手术成功率高而越来越受到广泛关注，但目前市场上缺乏专业、适用的植骨器械及相关的方法，制备适用于后路植骨方法的植骨器械及相关的方法是提高手术效率及安全性能亟待解决的技术难题。At present, the treatment of bone defects caused by spinal tuberculosis or tumors mainly adopts surgical methods of lesion debridement and bone grafting. Anterior surgery is convenient for bone grafting, but it has a high possibility of damage to surrounding tissues and organs, and there are many postoperative complications; the incision is large, the bleeding is large, and the operation and anesthesia time is long; thoracic tuberculosis needs to cut off multiple ribs and ligate multiple segments of blood vessels; The hospital stay is long, the operation cost is high, and internal fixation is difficult to remove; the operation steps are cumbersome and the operation is complicated. In order to overcome the above defects of the anterior bone grafting method, the posterior bone grafting method is gradually used in clinical treatment of bone defects caused by spinal tuberculosis or tumors, and the posterior bone grafting method has attracted more and more attention due to its high surgical success rate. At present, there is a lack of professional and applicable bone grafting instruments and related methods on the market. The preparation of bone grafting instruments and related methods suitable for posterior bone grafting methods is a technical problem to be solved urgently to improve surgical efficiency and safety performance.
发明内容Contents of the invention
本发明目的在于提供一种植骨器，以解决现有技术中缺乏用于后路植骨手术的植骨器的技术问题。The purpose of the present invention is to provide a bone graft device to solve the technical problem of lack of bone graft devices for posterior bone grafting in the prior art.
为实现上述目的，根据本发明的一个方面，提供了一种植骨器，包括主杆和副杆，主杆与副杆通过铰接轴铰接连接；In order to achieve the above object, according to one aspect of the present invention, a bone implant is provided, including a main rod and an auxiliary rod, and the main rod and the auxiliary rod are hingedly connected by a hinge shaft;
主杆包括主夹持端和主握持端，副杆包括副夹持端和副握持端，主夹持端和副夹持端相对设置于铰接轴的第一侧，主握持端和副握持端相对设置于铰接轴的第二侧；主夹持端设有第一缺口，副夹持端设有与第一缺口相对的第二缺口。The main rod includes a main gripping end and a main gripping end, and the auxiliary rod includes a secondary gripping end and a secondary gripping end. The secondary holding end is oppositely arranged on the second side of the hinge shaft; the main holding end is provided with a first notch, and the auxiliary holding end is provided with a second notch opposite to the first notch.
进一步地，主握持端包括螺纹盲孔，副握持端包括与螺纹盲孔相对设置的螺纹通孔；植骨器还包括螺杆，螺杆贯穿螺纹通孔至螺纹盲孔处由螺母锁紧。Further, the main gripping end includes a threaded blind hole, and the auxiliary gripping end includes a threaded through hole opposite to the threaded blind hole; the bone grafter also includes a screw rod that passes through the threaded through hole to the threaded blind hole and is locked by a nut.
进一步地，螺母包括旋紧螺母和旋松螺母，旋紧螺母设于副杆的外侧，旋松螺母设置于主杆和副杆中间。Further, the nut includes a tightening nut and a loosening nut, the tightening nut is arranged on the outside of the auxiliary rod, and the loosening nut is arranged between the main rod and the auxiliary rod.
进一步地，螺杆和旋紧螺母配合后将主夹持端和副夹持端之间贴合夹紧，第一缺口的第二缺口形成空腔。Further, after the screw rod and the tightening nut cooperate, the main clamping end and the secondary clamping end are fit and clamped, and the second notch of the first notch forms a cavity.
进一步地，主握持端的端部设有柄头，柄头的端部高于副握持端的端部。Further, a handle is provided at the end of the main grip end, and the end of the handle is higher than the end of the auxiliary grip end.
进一步地，柄头的表面积大于主杆的横截面的面积。Further, the surface area of the crown is greater than the area of the cross section of the stem.
进一步地，柄头为漏斗形。Further, the crown is funnel-shaped.
进一步地，主杆为直杆结构，副杆为Z型杆结构，主杆和副杆相对于铰接轴的第一侧是相对于铰接轴的第二侧的3倍。Further, the main rod is a straight rod structure, the auxiliary rod is a Z-shaped rod structure, and the first side of the main rod and the auxiliary rod relative to the hinge axis is three times the second side relative to the hinge axis.
本发明的另一方面还提供了一种前述的植骨器的使用方法，包括以下步骤：Another aspect of the present invention also provides a method for using the aforementioned bone graft, comprising the following steps:
(1)清除病灶，在病椎的椎体间修整出一条状植骨槽；(1) Remove the focus, and trim a bone graft groove between the vertebral bodies of the diseased vertebra;
(2)取植骨块紧密嵌入植骨器主杆的第一缺口，使主夹持端和副夹持端贴合夹紧，将螺杆贯穿于螺纹通孔至螺纹盲孔处，由旋紧螺母锁紧得到具有植骨块的植骨器；(2) Take the bone graft block and insert it tightly into the first gap of the main rod of the bone grafter, make the main clamping end and the auxiliary clamping end fit and clamp, and pass the screw through the threaded through hole to the threaded blind hole, and then tighten it. The nut is locked to obtain a bone graft device with a bone graft block;
(3)将具有植骨块的植骨器放在条状植骨槽中，敲打具有植骨块的植骨器的柄头，将植骨块送入条状植骨槽内；(3) Put the bone graft device with the bone graft block in the strip-shaped bone graft groove, beat the handle of the bone graft device with the bone graft block, and send the bone graft block into the strip-shaped bone graft groove;
(4)调节旋松螺母使植骨器的主夹持端与副夹持端分开，抽离植骨器。(4) Adjust and unscrew the nut to separate the main clamping end of the bone grafter from the auxiliary clamping end, and pull away from the bone grafter.
进一步地，植骨块为同种异体骨或自体骨。Further, the bone graft block is allogeneic bone or autologous bone.
本发明具有以下有益效果：The present invention has the following beneficial effects:
1、本发明提供的植骨器，包括主杆和副杆，主杆与副杆通过铰接轴铰接连接，主杆与副杆可以自由活动，植骨器的夹紧和松开方便，便于进行脊柱后路植骨手术的操作，提高了手术的效率和安全性；1. The bone graft device provided by the present invention includes a main rod and an auxiliary rod. The main rod and the auxiliary rod are hingedly connected by a hinge shaft. The main rod and the auxiliary rod can move freely. The operation of posterior spinal bone graft surgery improves the efficiency and safety of the operation;
2、细长的植骨器，在植入或敲打的过程中，能有效保持植骨块相对静止，减少因植骨块意外移位对脊髓、血管等周围组织或者脏器的损伤，同时减少在敲打过程中对脊髓的损害；夹持端的第一、二缺口形成的空腔可以容纳不同规格的植骨块，此结构增大了夹持摩擦力，避免了对铰接轴的损害，更重要的是，便于在敲打过程中稳定植骨块；2. The slender bone graft device can effectively keep the bone graft block relatively still during implantation or knocking, reducing the damage to surrounding tissues or organs such as the spinal cord and blood vessels due to accidental displacement of the bone graft block, and at the same time reducing Damage to the spinal cord during the beating process; the cavity formed by the first and second gaps at the clamping end can accommodate bone grafts of different specifications. This structure increases the clamping friction and avoids damage to the hinge shaft. More importantly The most important thing is that it is convenient to stabilize the bone graft block during the beating process;
3、旋紧、旋松螺母可以调节植骨块夹持的力度，防止植骨块移位的意外损伤，又可以缓慢松开，防止植骨器本身对脊髓及周围组织的意外损伤；漏斗形柄头便于锤子的敲打，减少锤子意外滑落对脊髓等周围组织造成的损伤；3. Tighten and loosen the nut to adjust the clamping strength of the bone graft to prevent accidental damage caused by displacement of the bone graft, and to loosen it slowly to prevent accidental damage to the spinal cord and surrounding tissues by the bone graft itself; funnel-shaped The handle head is convenient for hitting with a hammer, reducing the damage to surrounding tissues such as the spinal cord caused by accidental slipping of the hammer;
4、植骨器的使用过程中，沿同一切口进行双侧清理病灶；手术采用单一切口，创伤小，能够一期完成病灶清除、椎体间植骨融合、脊柱稳定性重建；术中无需变换体位，先行减压后矫正畸形，矫形过程中并发症少；术中术后并发症少，手术时间短，出血量少；住院周期短，患者经济负担轻；病椎经椎弓根内固定，能够有效地恢复脊柱的正常生理曲度；纠正后凸畸形；减少内固定松动、断裂；后路内固定取出更安全、顺利。4. During the use of the bone graft device, the lesion is cleaned bilaterally along the same incision; the operation adopts a single incision, with small trauma, and can complete the lesion removal, intervertebral bone graft fusion, and spinal stability reconstruction in one stage; no need to change during the operation Position, decompression first and then deformity correction, less complications during the orthopedic process; fewer intraoperative and postoperative complications, shorter operation time, less blood loss; shorter hospitalization period, light economic burden for patients; internal fixation of the diseased vertebra through the pedicle, It can effectively restore the normal physiological curvature of the spine; correct kyphotic deformity; reduce internal fixation loosening and fracture; posterior internal fixation removal is safer and smoother.
除了上面所描述的目的、特征和优点之外，本发明还有其它的目的、特征和优点。下面将参照图，对本发明作进一步详细的说明。In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. Hereinafter, the present invention will be described in further detail with reference to the drawings.
附图说明Description of drawings
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings constituting a part of this application are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:
图1是本发明优选实施例的结构示意图。Fig. 1 is a schematic structural view of a preferred embodiment of the present invention.
具体实施方式Detailed ways
以下结合附图对本发明的实施例进行详细说明，但是本发明可以由权利要求限定和覆盖的多种不同方式实施。The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
参照图1，本发明的优选实施例，提供了一种植骨器，包括主杆10和副杆20，主杆10与副杆20通过铰接轴30铰接连接，主杆10与副杆20可以自由活动，植骨器的夹紧和松开方便，便于术者手术操作。主杆10包括主夹持端11和主握持端12，副杆20包括副夹持端21和副握持端22，主夹持端11和副夹持端21相对设置于铰接轴30的第一侧，主握持端12和副握持端22相对设置于铰接轴30的第二侧。在手术过程中，术者通过调节主握持端12和副握持端22的距离调节主夹持端11和副夹持端21的夹紧程度。主夹持端11设有第一缺口111，副夹持端21设有与第一缺口111相对的第二缺口211。Referring to Fig. 1, a preferred embodiment of the present invention provides a bone implant, including a main rod 10 and an auxiliary rod 20, the main rod 10 and the auxiliary rod 20 are hingedly connected by a hinge shaft 30, and the main rod 10 and the auxiliary rod 20 can be freely It is easy to move and clamp and loosen the bone graft, which is convenient for the operator to operate. The main rod 10 includes a main gripping end 11 and a main gripping end 12, and the auxiliary rod 20 includes an auxiliary gripping end 21 and an auxiliary gripping end 22. On the first side, the main handle end 12 and the auxiliary handle end 22 are oppositely disposed on the second side of the hinge shaft 30 . During the operation, the operator adjusts the clamping degree of the main gripping end 11 and the auxiliary gripping end 21 by adjusting the distance between the main gripping end 12 and the auxiliary gripping end 22 . The main clamping end 11 is provided with a first notch 111 , and the secondary clamping end 21 is provided with a second notch 211 opposite to the first notch 111 .
进一步地，主握持端12包括螺纹盲孔13，副握持端22包括与螺纹盲孔13相对设置的螺纹通孔23；植骨器还包括螺杆50，螺杆50贯穿螺纹通孔23至螺纹盲孔13处由螺母锁紧。由于术者在操作时不能均衡的控制主握持端12与副握持端22夹紧的力度，当夹紧力度较低时，植骨块容易掉落，给手术造成不必要的麻烦。为了有效夹紧植骨块，本发明将主握持端12和副握持端22采用螺母锁紧，防止植骨块掉落，增加了手术的成功率，提高了手术效率。优选地，螺母为蝶形螺母，术者操作更方便。Further, the main holding end 12 includes a threaded blind hole 13, and the auxiliary holding end 22 includes a threaded through hole 23 opposite to the threaded blind hole 13; The blind hole 13 is locked by a nut. Since the operator cannot control the clamping strength of the main gripping end 12 and the auxiliary gripping end 22 in a balanced manner during operation, when the clamping strength is low, the bone graft block is easy to fall, causing unnecessary trouble to the operation. In order to effectively clamp the bone graft, the present invention uses nuts to lock the main gripping end 12 and the auxiliary gripping end 22 to prevent the bone graft from falling, increase the success rate of the operation, and improve the operation efficiency. Preferably, the nut is a wing nut, which is more convenient for the operator to operate.
进一步地，螺母包括旋紧螺母40和旋松螺母41，旋紧螺母40设于副杆20的外侧，旋松螺母41设置于主杆10和副杆20中间。旋紧螺母40用于调节主杆10和副杆20的夹紧力度，而旋松螺母41则用于调节主杆10和副杆20的松开程度。在植骨手术过程中，如果主握持端12与副握持端22之间贴合过紧，需要利用人力松开主握持端12与副握持端22，而人力的力度无法控制，容易出现差错，增大了手术风险。本发明为了防止上述情况的发生，通过缓慢调节旋松螺母41，使主握持端12与副握持端22缓慢分开，力度更容易控制，降低了手术风险。其螺杆50和旋紧螺母40配合后将主夹持端11和副夹持端21之间贴合夹紧，此时，第一缺口111与第二缺口211形成空腔。此空腔用于容纳所需夹持的不同规格的植骨块，夹持过程更可靠，防止植骨块移动或弹出，使植骨块更好的输送到需要植骨的位置。Further, the nuts include a tightening nut 40 and a loosening nut 41 , the tightening nut 40 is arranged outside the auxiliary rod 20 , and the loosening nut 41 is arranged between the main rod 10 and the auxiliary rod 20 . The tightening nut 40 is used to adjust the clamping strength of the main rod 10 and the auxiliary rod 20 , while the loosening nut 41 is used to adjust the loosening degree of the main rod 10 and the auxiliary rod 20 . During the bone grafting operation, if the fit between the main gripping end 12 and the auxiliary gripping end 22 is too tight, it is necessary to use manpower to loosen the main gripping end 12 and the auxiliary gripping end 22, and the strength of manpower cannot be controlled. Errors are prone to occur, which increases the risk of surgery. In order to prevent the occurrence of the above situation, the present invention slowly separates the main gripping end 12 from the auxiliary gripping end 22 by slowly adjusting and loosening the nut 41 , so that the strength is easier to control and the risk of surgery is reduced. After the screw rod 50 and the tightening nut 40 cooperate, the main clamping end 11 and the secondary clamping end 21 are fit and clamped. At this time, the first notch 111 and the second notch 211 form a cavity. This cavity is used to accommodate bone graft blocks of different specifications that need to be clamped. The clamping process is more reliable, preventing the bone graft blocks from moving or popping out, so that the bone graft blocks can be better transported to the position where bone grafting is required.
优选地，主握持端12的端部设有柄头121，柄头121的端部高于副握持端22的端部。由于植骨手术过程中，需要通过锤子将植骨器输送到需要植骨的位置。若直接敲打主握持端12与副握持端22的端部，容易影响主杆10与副杆20的配合作用，使陷入第一缺口111内的植骨块掉落。本发明在主握持端12的端部设有柄头121，使锤子的力度集中在主杆10上，并不影响主杆10与副杆20的配合。优选地，柄头121的表面积大于主杆10的横截面的面积，使主杆10的受力面积更大，便于敲打。优选地，柄头121为漏斗形，使主杆10的受力更集中。Preferably, a crown 121 is provided at the end of the main handle 12 , and the end of the handle 121 is higher than the end of the auxiliary handle 22 . During the bone grafting operation, the bone grafter needs to be transported to the position where the bone grafting is required by means of a hammer. If the ends of the main gripping end 12 and the auxiliary gripping end 22 are knocked directly, the cooperation between the main rod 10 and the auxiliary rod 20 will be easily affected, and the bone graft trapped in the first gap 111 will fall off. The present invention is provided with a crown 121 at the end of the main grip end 12, so that the force of the hammer is concentrated on the main rod 10 without affecting the cooperation between the main rod 10 and the auxiliary rod 20. Preferably, the surface area of the handle head 121 is larger than the cross-sectional area of the main rod 10, so that the force bearing area of the main rod 10 is larger, which is convenient for beating. Preferably, the crown 121 is funnel-shaped, so that the force on the stem 10 is more concentrated.
优选的，主杆10为直杆结构，副杆20为Z型杆结构，一方面植骨器的主杆10与副杆20配合更方便，另一方面，使主杆10保持直杆结构，使植骨器的受力更集中，手术操作更方便。此外，主杆10和副杆20相对于铰接轴30的第一侧的长度是相对于铰接轴30的第二侧的长度的3倍，便于更好的夹持。Preferably, the main rod 10 is a straight rod structure, and the auxiliary rod 20 is a Z-shaped rod structure. On the one hand, the cooperation between the main rod 10 and the auxiliary rod 20 of the bone grafting device is more convenient. On the other hand, the main rod 10 maintains a straight rod structure, The force of the bone graft is more concentrated, and the operation is more convenient. In addition, the length of the first side of the main rod 10 and the secondary rod 20 with respect to the hinge shaft 30 is three times the length of the second side with respect to the hinge shaft 30 for better clamping.
本发明的另一方面还提供了植骨器的使用方法。包括以下步骤：Another aspect of the present invention also provides a method for using the bone graft. Include the following steps:
(1)清除病灶，在病椎的椎体间修整出一条状植骨槽，此植骨槽用于植入植骨块。(1) Remove the lesion, and trim a bone graft groove between the vertebral bodies of the diseased vertebra, which is used to implant the bone graft block.
(2)取植骨块紧密嵌入第一缺口111和第二缺口211形成的空腔内，使主夹持端11和副夹持端21贴合夹紧，将螺杆50贯穿于螺纹通孔23至螺纹盲孔13处，由旋紧螺母40锁紧得到具有植骨块的植骨器；(2) Take the bone graft block and insert it tightly into the cavity formed by the first notch 111 and the second notch 211, make the main clamping end 11 and the auxiliary clamping end 21 fit and clamp, and insert the screw rod 50 through the threaded through hole 23 To the threaded blind hole 13, tighten the nut 40 to obtain a bone grafter with a bone graft block;
(3)将具有植骨块的植骨器放在条状植骨槽中，敲打具有植骨块的植骨器的柄头121，将植骨块送入条状植骨槽内；(3) Put the bone graft device with the bone graft block in the strip-shaped bone graft groove, knock the shank 121 of the bone graft device with the bone graft block, and send the bone graft block into the strip-shaped bone graft groove;
(4)调节旋松螺母41使植骨器的主夹持端11与副夹持端21分开，抽离植骨器。(4) Adjust and unscrew the nut 41 to separate the main clamping end 11 and the secondary clamping end 21 of the bone grafter, and pull away from the bone grafter.
前述清除病灶的方法是本领域常用的方法，具体操作为：将病人用气管插管全身麻醉，保持病人俯卧位，用C型臂X线机透视确认病椎的位置，以病人的病椎为中心行后正中纵行切口，常规暴露双侧椎板至小关节外侧。在病椎上、下相邻的正常椎体上置入椎弓根螺钉，先在病变较轻的一侧暂时安装内固定棒临时固定，显露椎管。保护脊髓，从病变较重的病椎一侧咬除病椎上、下关节突、横突、椎弓根，显露患侧椎间隙，切除椎间盘及上、下被侵犯软骨终板部分，沿椎体侧前方，向病椎前缘及上下刮除脓肿、死骨、干酪样坏死物及肉芽组织，同时行腰大肌脓液冲洗、引流。同法清理另一侧病灶。待病灶清除完毕后，用大量生理盐水冲洗病灶区。The aforementioned method of clearing the focus is a commonly used method in this field. The specific operation is as follows: the patient is generally anesthetized with a tracheal intubation, the patient is kept in a prone position, and the position of the diseased vertebra is confirmed with a C-arm X-ray machine. A central posterior median longitudinal incision was made to routinely expose the bilateral lamina to the outside of the facet joint. Pedicle screws were placed on the adjacent normal vertebral body above and below the diseased vertebra, and internal fixation rods were temporarily installed on the side with lesser lesion for temporary fixation to expose the spinal canal. Protect the spinal cord, bite off the upper and lower articular processes, transverse processes, and pedicles of the diseased vertebra from the side of the diseased vertebra with severe disease, expose the intervertebral space on the affected side, remove the intervertebral disc and the upper and lower invaded cartilage endplates, On the side and front of the body, abscess, sequestrum, caseous necrosis and granulation tissue were scraped toward the front edge of the diseased vertebra and up and down, and psoas muscle pus was flushed and drained at the same time. Clean up the lesion on the other side in the same way. After the lesion is cleared, rinse the lesion area with a large amount of normal saline.
待植骨器抽离后，彻底冲洗术区，严格止血后，术区放置链霉素粉剂lg、异烟肼0.3g，安装连接棒，拧紧内固定螺钉。利用内固定系统的加压及撑开作用缓慢矫正脊柱后凸畸形，C型臂X线机透视证实后凸畸形纠正后，放置引流管，逐层关闭切口。After the bone graft was removed, the operation area was thoroughly rinsed, and after strict hemostasis, 1 g of streptomycin powder and 0.3 g of isoniazid were placed in the operation area, connecting rods were installed, and internal fixation screws were tightened. The kyphotic deformity was slowly corrected by the pressurization and distraction of the internal fixation system. After the kyphotic deformity was confirmed by C-arm X-ray machine fluoroscopy, a drainage tube was placed and the incision was closed layer by layer.
采用本发明提供的植骨器及该植骨器的使用方法，具有以下有益效果：Adopting the bone graft device provided by the present invention and the using method of the bone graft device have the following beneficial effects:
1、本发明提供的植骨器，包括主杆10和副杆20，主杆10与副杆20通过铰接轴30铰接连接，主杆10与副杆20可以自由活动，植骨器的夹紧和松开方便，便于进行脊柱后路植骨手术的操作，提高了手术的效率和安全性；1. The bone graft device provided by the present invention includes a main rod 10 and an auxiliary rod 20, the main rod 10 and the auxiliary rod 20 are hingedly connected by a hinge shaft 30, the main rod 10 and the auxiliary rod 20 can move freely, and the clamping of the bone graft device It is easy to release and loosen, which is convenient for the operation of posterior spinal bone grafting operation, and improves the efficiency and safety of the operation;
2、细长的植骨器，在植入或敲打的过程中，能有效保持植骨块相对静止，减少因植骨块意外移位对脊髓、血管等周围组织或者脏器的损伤，同时减少在敲打过程中对脊髓的损害；夹持端的第一、二缺口111、211形成的空腔可以容纳不同规格的植骨块，此结构增大了夹持摩擦力，避免了对铰接轴30的损害，更重要的是，便于在敲打过程中稳定植骨块；2. The slender bone graft device can effectively keep the bone graft block relatively still during implantation or knocking, reducing the damage to surrounding tissues or organs such as the spinal cord and blood vessels due to accidental displacement of the bone graft block, and at the same time reducing Damage to the spinal cord during the beating process; the cavities formed by the first and second notches 111 and 211 at the clamping end can accommodate bone grafts of different specifications. This structure increases the clamping friction and avoids damage to the hinge shaft 30 damage, and more importantly, facilitates stabilization of the bone graft during tapping;
3、旋紧、旋松螺母40、41可以调节植骨块夹持的力度，防止植骨块移位的意外损伤，又可以缓慢松开，防止植骨器本身对脊髓及周围组织的意外损伤；漏斗形柄头121便于锤子的敲打，减少锤子意外滑落对脊髓等周围组织造成的损伤；3. Tighten and loosen the nuts 40 and 41 to adjust the clamping strength of the bone graft to prevent accidental damage caused by displacement of the bone graft, and to loosen them slowly to prevent accidental damage to the spinal cord and surrounding tissues by the bone graft itself ; The funnel-shaped handle 121 is convenient for hitting with a hammer, and reduces damage to surrounding tissues such as the spinal cord caused by accidental slipping of the hammer;
4、植骨器的使用过程中，沿同一切口进行双侧清理病灶；手术采用单一切口，创伤小，能够一期完成病灶清除、椎体间植骨融合、脊柱稳定性重建；术中无需变换体位，先行减压后矫正畸形，矫形过程中并发症少；术中术后并发症少，手术时间短，出血量少；住院周期短，患者经济负担轻；病椎经椎弓根内固定，能够有效地恢复脊柱的正常生理曲度；纠正后凸畸形；减少内固定松动、断裂；后路内固定取出更安全、顺利。4. During the use of the bone graft device, the lesion is cleaned bilaterally along the same incision; the operation adopts a single incision, with small trauma, and can complete the lesion removal, intervertebral bone graft fusion, and spinal stability reconstruction in one stage; no need to change during the operation Position, decompression first and then deformity correction, less complications during the orthopedic process; fewer intraoperative and postoperative complications, shorter operation time, less blood loss; shorter hospitalization period, light economic burden for patients; internal fixation of the diseased vertebra through the pedicle, It can effectively restore the normal physiological curvature of the spine; correct kyphotic deformity; reduce internal fixation loosening and fracture; posterior internal fixation removal is safer and smoother.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184819.3ACN103222889B (en) | 2013-05-17 | 2013-05-17 | Bone grafting device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184819.3ACN103222889B (en) | 2013-05-17 | 2013-05-17 | Bone grafting device |
| Publication Number | Publication Date |
|---|---|
| CN103222889A CN103222889A (en) | 2013-07-31 |
| CN103222889Btrue CN103222889B (en) | 2015-01-14 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310184819.3AActiveCN103222889B (en) | 2013-05-17 | 2013-05-17 | Bone grafting device |
| Country | Link |
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| CN (1) | CN103222889B (en) |
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