CN204410950U - Tarsometatarsal joint plate - Google Patents

Tarsometatarsal joint plate Download PDF

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Publication number
CN204410950U
CN204410950U CN201420786711.1U CN201420786711U CN204410950U CN 204410950 U CN204410950 U CN 204410950U CN 201420786711 U CN201420786711 U CN 201420786711U CN 204410950 U CN204410950 U CN 204410950U
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plate
wedge
joint
metatarsal
joint plate
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CN201420786711.1U
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Chinese (zh)
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徐向阳
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上海斯地德商务咨询中心
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Abstract

The utility model relates to the technical field of medical instruments and discloses a tarsometatarsal joint plate. The tarsometatarsal joint plate comprises a first tarsometatarsal joint plate, a second tarsometatarsal joint plate, a third plate body and a fourth plate body, wherein the two ends of the third plate body are connected between the first tarsometatarsal joint plate and the second tarsometatarsal joint plate respectively, and the two ends of the fourth plate body are connected to one end of the first tarsometatarsal joint plate and one end of the second tarsometatarsal joint plate; a sliding hole is formed in each of the first tarsometatarsal joint plate and the second tarsometatarsal joint plate, and a plurality of fixed holes are formed in the first tarsometatarsal joint plate and the second tarsometatarsal joint plate. The tarsometatarsal joint plate belongs to an anatomic low-incisura steel plate; by the adoption of the anatomic design, anatomic reduction is facilitated; a steel plate does not need to be pre-bent in an operation, the operation time is shortened, the influence on the strength of the steel plate caused by bending is avoided, and the fixed holes in the near ends of the first tarsometatarsal joint plate and the second tarsometatarsal joint plate are fixed in a spatial three-dimensional type.

Description

跖楔关节板 Wedge plate joint plantar

技术领域 FIELD

[0001] 本实用新型涉及医疗器械领域,尤其是一种跖楔关节板。 [0001] The present invention relates to the field of medical devices, particularly to a joint plantar wedge plate.

背景技术 Background technique

[0002] Lisfrance关节,即跖跗关节,是前中足之间的关节,即第一、第二、第三跖骨基底部与相应楔骨所形成的关节,以及第四、第五跖骨基底部与骰骨所形成的关节。 [0002] Lisfrance joint, i.e. metatarsal joints, the joints between the front of the foot, i.e. the first, second, third metatarsal joints corresponding cuneiform base portion is formed, and a fourth, fifth metatarsal base portion and cuboid joint is formed. 跖跗关节参与组成足内侧纵弓(第一跖骨与内侧楔骨)、外侧纵弓(第5跖骨与骰骨)和中间横弓(内中外楔骨与骰骨),对于维持足正常形态起重要作用。 Lisfranc participate composition medial longitudinal arch (the first metatarsal and the medial cuneiform bone), lateral longitudinal arch (fifth metatarsal and the cuboid) and an intermediate transverse arch (the foreign cuneiform and the cuboid), sufficient to maintain normal morphology from an important role. Lisfranc关节损伤即跖跗关节骨折-脱位,为一种广义的关节内损伤。 Lisfranc joint injury i.e. Lisfranc fracture - dislocation, within a generalized joint damage.

[0003]目前临床上对于移位明显的Lisfranc损伤,主张切开复位、坚强内固定。 [0003] Currently clinically significant shift for Lisfranc injury, advocated open reduction, rigid internal fixation. 内固定材料主要采用螺丝钉,但螺钉固定强度不够且不稳定,随着术后患者负重下功能锻炼,容易出现复位丢失或螺钉断裂,最终导致手术失败。 Internal material mainly screws, but the strength is insufficient and unstable fixing screws, as postoperative weight-bearing exercise, loss of reduction or prone to breakage of the screws, resulting in operation failure. 且经典Lisfranc螺钉需跨关节固定,可进一步加重跖楔关节及楔骨间关节面软骨损伤,增加术后创伤后骨关节炎风险。 And classic Lisfranc joint fixation screws need to cross, may further aggravate inter-metatarsal joint wedge and a wedge of bone articular surface cartilage damage, arthritis increases the risk of post-traumatic bone surgery.

实用新型内容 SUMMARY

[0004] 本实用新型要解决的技术问题是:为了解决Lisfrance损伤固定的稳定性和强度差问题,本实用新型提供了一种跖楔关节板,通过采用一体成型的设计,分别用第一跖楔关节板和第二跖楔关节板固定各部位骨骼,形成一个整体固定结构,有效解决了固定的稳定性和强度问题。 [0004] The present invention to solve the technical problem: In order to solve the difference between a fixed stability and strength problems Lisfrance damage, the present invention provides a joint plantar wedge plate, by employing a monolithically respectively with the first metatarsal wedge joints wedge plate and the second metatarsal joint fix the parts of the bone plate, formed integrally fixed structure, effective solution to the problem of fixing stability and strength.

[0005] 本实用新型采用以下技术方案: [0005] The present invention adopts the following technical scheme:

[0006] 一种跖楔关节板,包括第一跖楔关节板、第二跖楔关节板、第三板体及第四板体,且所述第三板体两端分别连接于所述第一跖楔关节板及所述第二跖楔关节板中间,且所述第四板体两端连接于所述第一跖楔关节板及所述第二跖楔关节板一端,所述第一跖楔关节板及所述第二跖楔关节板上分别设有一滑动孔,且所述第一跖楔关节板及所述第二跖楔关节板上设有若干固定孔。 [0006] A plantar wedge plate joint comprising a first joint plantar wedge plate, the second metatarsal joint wedge plate, the third plate member and the fourth plate and the third plate at both ends are connected to the first a wedge joint plantar intermediate plate and the second metatarsal joint wedge plate and said fourth plate is connected to both ends of the first metatarsal joint wedge plate and the wedge second metatarsal joint end plate, said first metatarsal joints wedge plate and the wedge second metatarsal joint plates are provided with a sliding hole, and the first metatarsal joint wedge plate and the second metatarsal joint wedge plate defines a plurality of fixing holes.

[0007] 还包括一弯折部,其设于所述第一跖楔关节板与所述第四板体连接处,且所述弯折部为向所述第二跖楔关节板方向弯折后形成。 [0007] further includes a bent portion, which is disposed on the first wedge metatarsal joint connection plate and the fourth plate member, and the bent portion is bent toward the direction of the second plate joint plantar wedges after formation.

[0008] 所述弯折部上还设有一固定孔。 [0008] There is a bent portion of the fixing hole.

[0009] 所述第一跖楔关节板及所述第二跖楔关节板上均设有四个固定孔,所述滑动孔两侧各设有两个。 [0009] The first metatarsal joint wedge plate and the wedge second metatarsal joint plate has four fixing holes, on both sides of the slide is provided with two holes each.

[0010] 所述滑动孔分别设于所述第一跖楔关节板及所述第二跖楔关节板与所述第三板体连接处。 [0010] The sliding hole are respectively disposed on the first metatarsal joint wedge plate and the wedge second metatarsal joint connection plate and the third plate member.

[0011] 所述第一跖楔关节板、第二跖楔关节板、第三板体及第四板体为不锈钢板、纯钛板或碳钢板中的一种。 As a stainless steel plate, carbon steel plate or a titanium plate [0011] of the first metatarsal joint wedge plate, the second metatarsal joint wedge plate, the third plate member and the fourth plate member.

[0012] 本实用新型属于解剖型低切迹钢板,既可作为桥式钢板应用,也可作为融合钢板应用。 [0012] The present invention belongs to the low anatomic notch plate, either as a bridge plate applications, the steel sheet may be applied as a fusion. 在关节融合时,可在剔除关节软骨后植骨,钢板固定后可维持骨块原有解剖位置。 When joint fusion, bone can be maintained in the original position after the anatomical articular cartilage graft removed, fixed plate.

[0013] 本实用新型采用解剖型设计,便于解剖复位,在手术中无需对钢板预弯,节约手术时间,避免折弯对钢板强度的影响,第一、第二跖楔关节板近端固定孔呈空间立体型固定,通过弯折部处固定孔固定内侧楔骨及第二跖骨基底部,对内侧、中间楔骨、第二跖骨基底部具有更强把持力。 [0013] The present invention uses anatomical design, ease of anatomical reduction, without the need for surgery in a pre-bending a steel sheet, saving operation time, to avoid the influence of the bending strength of the steel sheet, the first and second metatarsal joint wedge plate proximal fixation hole as a fixed three-dimensional space, by fixing the second metatarsal and the medial cuneiform bone fixing hole base portion at the bent portion of the inner, intermediate cuneiform bone, metatarsal second base portion having a greater gripping force. 钢板和螺钉设计充分考虑到亚洲人体解剖曲率设计,多关节面固定便于术中解剖重建足弓,滑动孔用于跖楔关节融合时骨块间加压,为关节融合提供更好稳定性,螺钉钉帽低于钢板设计和隐蔽边缘设计减少对软组织刺激,且本实用新型有利于术后早期功能锻炼。 Plates and screws designed with the curvature of the human anatomy Asian design, the multi-joint surface of the fixed arch facilitates anatomical reconstruction surgery, the slide hole for the wedge when the metatarsal bone arthrodesis between pressure, to provide better stability for the joint fusion, screw a nail design and hidden below the steel edge design to reduce soft tissue irritation, and the present invention is conducive to early postoperative functional exercise. 本实用新型适用于Lisfrance损伤,也适用于跖跗骨关节炎、高弓足患者。 The utility model is suitable for Lisfrance injury, also applies to the plantar tarsal osteoarthritis, Cavus patients. 本实用新型作为桥式钢板使用时,即能保留关节面软骨,避免经典Lisfranc螺钉对跖楔关节及楔骨间关节面软骨的进一步破坏,降低了创伤后骨关节炎的发生率,又起到限制关节活动的作用。 The present invention is a steel sheet used as a bridge, i.e. to retain articular cartilage, to avoid further damage to the classic Lisfranc screw joints and wedges between the wedge metatarsal bone of the articular cartilage, reducing the incidence of post-traumatic osteoarthritis, and functions limiting joint activities. 本实用新型作为融合钢板使用时,在去除关节面软骨后植骨,并采用滑动孔实现跖楔关节面间加压,或配合拉力螺钉,可大大提高关节融合率。 When the present invention is used as a fusion sheet, after removing the bone articular cartilage, and sliding wedge hole achieve inter-metatarsal joint surface pressing, or with lag screws, can greatly improve the rate of arthrodesis.

附图说明 BRIEF DESCRIPTION

[0014] 下面结合附图和实施例对本实用新型进一步说明。 [0014] Next, the present invention is further described in conjunction with the accompanying drawings and embodiments pair.

[0015] 图1是本实用新型跖楔关节板的结构示意图。 [0015] FIG. 1 is a schematic view of the present invention metatarsal joints wedge plate.

具体实施方式 Detailed ways

[0016] 现在结合附图对本实用新型作进一步详细说明。 [0016] DESCRIPTION OF THE DRAWINGS Now the present invention in further detail. 这些附图均为简化示意图,仅以示意方式说明本实用新型基本结构,因此其仅显示与本实用新型有关的构成。 The drawings are simplified schematic way of illustration only schematically the basic structure of the present invention, therefore shows only the configuration related to the present invention novel.

[0017] 实施例1:如图1所示,一种跖楔关节板,包括第一跖楔关节板1、第二跖楔关节板 [0017] Example 1: As shown in FIG A joint plantar wedge plate, including a first metatarsal joint wedge plate 1, a second metatarsal joint wedge plate 1

2、第三板体3及第四板体4,且所述第三板体3两端分别连接于所述第一跖楔关节板I及所述第二跖楔关节板2中间,且所述第四板体4两端连接于所述第一跖楔关节板I及所述第二跖楔关节板2 —端,所述第一跖楔关节板I及所述第二跖楔关节板2上分别设有一滑动孔5,且所述第一跖楔关节板I及所述第二跖楔关节板2上设有若干固定孔6。 2, the third plate 3 and the fourth plate 4, and the ends of the third plate 3 are connected to the second intermediate joint of the first metatarsal wedge plate I and the second metatarsal joint wedge plate, and the 4 at both ends of said fourth plate 2 is connected to the first metatarsal joint wedge plate I and the second metatarsal joint wedge plate - end of the first metatarsal joint wedge plate I and the second metatarsal joint wedge plate 5 are respectively provided with a sliding hole 2, and is provided with a plurality of fixing holes 6 on the first two metatarsal joint wedge plate I and the second metatarsal joint wedge plate.

[0018] 所述滑动孔5分别设于所述第一跖楔关节板I及所述第二跖楔关节板2与所述第三板体3连接处。 [0018] The slide holes 5 are disposed on the first metatarsal joint wedge plate I and the second metatarsal joint wedge plate 3 is connected at 2 to the third plate member.

[0019] 本实用新型还包括一弯折部7,其设于所述第一跖楔关节板I与所述第四板体4连接处,且所述弯折部7为向所述第二跖楔关节板方向弯折后形成,所述弯折部7上还设有一固定孔6。 [0019] The present invention further includes a bending portion 7, which is provided at a junction of the first metatarsal joint wedge plate I and the fourth plate 4, and the bent portion 7 to the second plantar direction after the formation of the wedge joint plate is bent, the bent portion 7 also has a fixing hole 6.

[0020] 所述第一跖楔关节板I及所述第二跖楔关节板2上均设有四个固定孔6,所述滑动孔5两侧各设有两个。 [0020] The first metatarsal joint wedge plate I and the second metatarsal joint wedge plate 2 has four fixing holes 6, the slide is provided with two holes 5 on each side.

[0021] 所述第一跖楔关节板1、第二跖楔关节板2、第三板体3、第四板体4及弯折部7为不锈钢截骨板也可为其他材质,且板厚1.8mm,第一跖楔关节板上靠近第四板体一侧设有二个固定内侧楔骨的固定孔,第一跖楔关节板上靠近第三板体一侧设有二个固定第一跖骨的固定孔,第二跖楔关节板上靠近第四板体一侧设有二个固定中间楔骨的固定孔,第二跖楔关节板上靠近第三板体一侧设有二个固定第二跖骨的固定孔,弯折部7处设有一固定孔,用于固定内侧楔骨及第二跖骨基底部,滑动孔用于跖骨和楔骨间加压固定。 [0021] The first metatarsal joint wedge plate 1, a second metatarsal joint wedge plate 2, the third plate member 3, the fourth plate 4, and the bent portion 7 of the stainless steel plate osteotomy may be other materials, and the plate 1.8mm thick, the first metatarsal joint wedge plate near side of the fourth plate member is provided with two fixing holes fixing the medial cuneiform bone, the first metatarsal joint wedge plate member near a side of the third plate is provided with two fixed a fixing hole metatarsal, a second metatarsal joint wedge plate near the side of the fourth plate member is provided with two fixing holes fixing the intermediate cuneiform, metatarsal second wedge plate close to the joint body side of the third plate is provided with two fixing the second fixing hole metatarsal, the bending portion 7 is provided with a fixing hole for fixing the bottom of the second metatarsal bone and medial cuneiform group, a sliding hole for the metatarsal bone and the wedge pressure fixation.

[0022] 本实用新型作为跖楔关节融合板时,结构与跖楔关节桥式板的结构相同。 [0022] The present invention is a fusion plate, the same as the joint structure as plantar wedges and wedge metatarsal joints of the bridge plate.

[0023] 此实施例中,跖楔关节板充分依据亚洲人体解剖曲率设计,板厚1.8mm,用于固定钢板的固定孔内设有内螺纹,固定孔可以与直径2.7mm锁定螺钉或直径为2.7mm非锁定螺钉或二者结合配合使用,固定孔配置的螺钉,其钉帽低于钢板,且采用隐蔽边缘设计,避免手术后钢板或螺钉切迹过高,减少对软组织刺激。 [0023] In this embodiment, the wedge joint plantar plate based Asian anatomy sufficiently curvature design, 1.8mm thickness, for fixing the fixing plate is provided with an internally threaded bore, the fixing hole may be locking screws or 2.7mm diameter and having a diameter of 2.7mm non-locking screw, or a combination of both with the use of a screw fixing hole configuration, which is below the nut plate, and with concealed edge design, plate or screw after surgery to avoid excessive notch, reduce soft tissue irritation. 并采用板式设计及不锈钢、纯钛或碳钢等高强度材料,滑动孔设计有利于跖骨和楔骨间加压,为关节融合提供更好稳定性,便于术后早期功能锻炼,提高融合率。 And plate design using stainless steel, titanium or high-strength steel material, the sliding hole design facilitates metatarsal bone and wedge pressure, to provide better stability for the joint fusion, facilitating early after exercise, to improve fusion rates.

[0024] 本实用新型作为桥式钢板使用时,允许跖楔关节面间微动,既保留关节面软骨,避免经典Lisfranc螺钉对跖楔关节及楔骨间关节面软骨的进一步破坏,降低了创伤后骨关节炎的发生率,又起到限制关节活动作用。 [0024] When the present invention is used as a bridge plate, to allow the wedge between the metatarsal joint surface micro, not only retains the articular cartilage, to avoid further damage to the classic Lisfranc screw joints and wedges between the wedge metatarsal bone of the articular cartilage, reducing trauma after the incidence of osteoarthritis, but also play a role in limiting joint mobility.

[0025] 作为融合钢板使用时,内侧二个序列Lisfranc关节同时固定,在去除关节面软骨后植骨,并采用滑动孔实现跖楔关节面间加压,或配合拉力螺钉,可大大提高关节融合率。 [0025] as a fusion steel sheets, two inner Lisfranc sequence while fixing the joint, after removing the bone articular cartilage, and sliding wedge hole achieve inter-metatarsal joint surface pressing, or with the lag screw can be greatly improved arthrodesis rate.

[0026] 本实用新型的融合板的接骨面与各接触骨骼表面形态相匹配,无需术中对钢板预弯,大大节约手术时间,避免折弯对钢板强度的影响。 The bone surface [0026] of the present invention fused with the bone plate matches the shape of the contact surface, without pre-bending a steel sheet for surgery, greatly save the operation time, avoid the influence of the bending strength of the steel sheet. 在两个滑动孔的外侧壁之间增加第三板体,使此融合板整体更加稳定牢固,也增强了第二跖楔关节板和第一跖楔关节板的牢固度,缩短了患者手术后的恢复时间,固定孔配合空心螺钉固定,进一步增强了稳定性。 Between the two outer wall of the slide hole adding a third plate, the entire plate so that the fusion is more stable solid, but also enhance the firmness of the second plate and the first joint plantar wedges wedge metatarsal joint plate, shortened patient after surgery recovery time, with the hollow screw fixing holes, to further enhance stability.

[0027] 以上述依据本实用新型的理想实施例为启示,通过上述的说明内容,相关工作人员完全可以在不偏离本项实用新型技术思想的范围内,进行多样的变更以及修改。 [0027] In accordance with the above-described embodiments of the present invention over the embodiments of revelation, the contents of the above description, the relevant staff can without departing from the scope of the technical idea of ​​the present utility model performs various changes and modifications. 本项实用新型的技术性范围并不局限于说明书上的内容,必须要根据权利要求范围来确定其技术性范围。 The present utility model is not limited to the contents of the technical scope of the specification, which must be determined according to the technical scope of the claims.

Claims (6)

1.一种跖楔关节板,其特征在于:包括第一跖楔关节板、第二跖楔关节板、第三板体及第四板体,且所述第三板体两端分别连接于所述第一跖楔关节板及所述第二跖楔关节板中间,且所述第四板体两端连接于所述第一跖楔关节板及所述第二跖楔关节板一端,所述第一跖楔关节板及所述第二跖楔关节板上分别设有一滑动孔,且所述第一跖楔关节板及所述第二跖楔关节板上设有若干固定孔。 A joint plantar wedge plate, characterized by: a first metatarsal joint wedge plate, the second metatarsal joint wedge plate, the third plate member and the fourth plate, the third plate member and both ends are connected to intermediate the first metatarsal joint wedge wedge plate and the second metatarsal joint plate, and both ends of the fourth plate is connected to the first metatarsal joint wedge plate and the wedge second metatarsal joint end plate, the said first metatarsal joint wedge plate and the wedge second metatarsal joint plates are provided with a sliding hole, and the first metatarsal joint wedge plate and the second metatarsal joint wedge plate defines a plurality of fixing holes.
2.根据权利要求1所述的跖楔关节板,其特征在于:包括一弯折部,其设于所述第一跖楔关节板与所述第三板体连接处,且所述弯折部为向所述第二跖楔关节板方向弯折后形成。 The plantar wedge joint plate according to claim 1, characterized by: comprising a bent portion, which is disposed on the first wedge metatarsal joint connection plate and the third plate member, and said bend to form the bent portion to the second metatarsal joint plate wedge direction.
3.根据权利要求2所述的跖楔关节板,其特征在于:所述弯折部上还设有一固定孔。 3. plantar wedge joint plate according to claim 2, wherein: the fixing hole is provided with a further bent portion.
4.根据权利要求1所述的跖楔关节板,其特征在于:所述第一跖楔关节板及所述第二跖楔关节板上均设有四个固定孔,所述滑动孔两侧各设有两个。 The plantar wedge joint plate according to claim 1, wherein: the first metatarsal joint wedge plate and the wedge second metatarsal joint plate has four fixing holes, on both sides of the sliding hole each has two.
5.根据权利要求1所述的跖楔关节板,其特征在于:所述滑动孔分别设于所述第一跖楔关节板及所述第二跖楔关节板与所述第三板体连接处。 The plantar wedge joint plate according to claim 1, wherein: said sliding hole respectively disposed on the first metatarsal joint wedge plate and the wedge second metatarsal joint plate connected to the third plate place.
6.如权利要求1至5中任意一项所述的跖楔关节板,其特征在于:所述第一跖楔关节板、第二跖楔关节板、第三板体、第四板体及弯折部为不锈钢截骨板、纯钛截骨板或碳钢截骨板中的一种。 6. plantar wedge joint plate according to any one of claims 1 to 5, wherein: the first metatarsal joint wedge plate, the second metatarsal joint wedge plate, the third plate member, and a fourth plate stainless steel plate bent portion osteotomy a pure titanium plate osteotomy osteotomy or carbon steel plate.
CN201420786711.1U 2014-12-12 2014-12-12 Tarsometatarsal joint plate CN204410950U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104490460A (en) * 2015-01-13 2015-04-08 上海斯地德商务咨询中心 First tread wedge joint plate
CN104546102A (en) * 2015-01-12 2015-04-29 常州华森医疗器械有限公司 Lisfrance joint injury fusion plate
CN109288573A (en) * 2018-09-30 2019-02-01 创美得医疗器械(天津)有限公司 The double fixedly locked synthetism structure of distal fibular A type fracture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104546102A (en) * 2015-01-12 2015-04-29 常州华森医疗器械有限公司 Lisfrance joint injury fusion plate
CN104490460A (en) * 2015-01-13 2015-04-08 上海斯地德商务咨询中心 First tread wedge joint plate
CN109288573A (en) * 2018-09-30 2019-02-01 创美得医疗器械(天津)有限公司 The double fixedly locked synthetism structure of distal fibular A type fracture

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