TWM395455U - Multi-directional bone-cement perfusion hollow bone screw - Google Patents

Multi-directional bone-cement perfusion hollow bone screw Download PDF

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Publication number
TWM395455U
TWM395455U TW99213318U TW99213318U TWM395455U TW M395455 U TWM395455 U TW M395455U TW 99213318 U TW99213318 U TW 99213318U TW 99213318 U TW99213318 U TW 99213318U TW M395455 U TWM395455 U TW M395455U
Authority
TW
Taiwan
Prior art keywords
bone
nail
fixed
hollow
directional
Prior art date
Application number
TW99213318U
Other languages
Chinese (zh)
Inventor
Li-Hui Chen
jin-long Dai
Bo-Liang Lai
De-Mei Li
wen-zhe Chen
Original Assignee
Chang Gung Memorial Hospital
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chang Gung Memorial Hospital filed Critical Chang Gung Memorial Hospital
Priority to TW99213318U priority Critical patent/TWM395455U/en
Publication of TWM395455U publication Critical patent/TWM395455U/en

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Description

M395455 V. New description: [New technical field] This creation provides a technique for injecting hollow bone nails into bones. A's technically provides a multi-directional bone-soil perfusion hollow bone nail. And effectively injecting the bone mud into the loose vertebral body, and can appropriately adjust the angular deviation caused by the deviation of the nail insertion during assembly, and greatly increase the interface strength between the bone nail/bone to achieve the purpose of strengthening postoperative stability. . [Prior Art] According to the fact, for patients with severe osteoporosis, the effective fixation of the spinal nail is a major test in spinal surgery. The commonly used method is to first re-lock the bone nail after injecting the bone mud into the vertebral body to improve the interfacial strength of the nail, but often it is impossible to adjust the restriction of the locking direction of the nail because the traditional bone nail is unidirectional. Or because of insufficient bone perfusion, the steel nails, bone mud and vertebral body can not be well combined, resulting in the inability of the spinal steel nails to be effectively fixed. For patients with severe osteoporosis, in order to strengthen the interface strength between the nail and the bone tissue, there is a national company's heart at this stage.

Spine System μ expandable vertebra screw (clearandaMe screw) helps to improve the strength of the interface between the nail and the vertebral body. (4) The expandable spinal nail is limited to one-way and cannot adjust the locking of the nail. Direction, for severe osteoporosis; 讫$ & +

As, the effect is limited. In addition, in the case of bone mud perfusion of hollow bone nails, t, although the commercial hollow bone nails are available, through the hollow bones of the Ding Zuo left into the moon mud, driving the bone mud to seep into the bone nails and then infiltrating into the ridge 3 M395455, The strength of the interface between the body and the vertebral body is achieved, but it is also one-way and cannot be adjusted. The lock is based on the above-mentioned conventional structure. It is more practical and practical. +4 eve... 4 How to develop the innovative structure of the practical Du, the real consumer is also the relevant industry to work hard to develop breakthrough goals. And direction. n In view of this, the creator has been engaged in related research for many years: design experience 'for the above..., detailed design and prudence = end-of-life - practical and practical. After Lai (4), [New Content] Limit 2: Decision: Technical problem: f The expandable spinal steel nail used by f: It is impossible to adjust the locking direction of the nail in the direction of the head, and the effect is limited for the patient. In addition, in the bone mud irrigation, the bones are driven into the bone mud, driving ~, 经由 through the hollow bone nail injection β / 匕 ~ bone nails after infiltration into the vertebral body vertebral body and bone nail body fusion, increase bone nailing ", 'But it is also one-way and can not adjust the nail lock Β: the end of the interface strength hole oozing, the effect is poor. Moon mud can only solve the problem of technical features: provide empty nails, contains: - bone nail body The 120,000 bone mud is filled with the middle wire, and the bone nail body is provided with an axial through hole and a number == a fixed screw radial through hole and is electrically connected with the axial through hole, the heart: the hole 'the number After implanting the vertebral body, it can be combined with the bone mud extrusion to assist the Ifw body free end-ball part, and the bone nail of a certain A is injected into the bone mud, and the ball part of the bone is rotated in the universal direction to the screw head. It can be rounded and placed in a hollow U彤° screw head and set into a hollow U-shaped body. The U-shaped body has a thread in the U-shaped body, and the U-shaped body at one end is fixed. The rod has to pass through at least 20,000-way to the snail rod. Μ Μ 螺纹 Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ Μ The situation is adjusted to lock in the direction of success. The probability of success is greatly improved. The effect of buying I brother to control the prior art: (1) The main purpose of this creation is to aim at a fixed nail, the new loose patients must implement the planting month. 'Developing a new type of multi-day directional bone-slung perfusion hollow bone nail' This multi-directional hollow bone nail except for the vertebrae, ', and effectively injecting the bone mud into the loose vertebrae' and adjust the fixed rod 适Due to the deviation of the nail insertion during assembly, the angular deviation caused by the pound greatly increases the interface strength between the bone needle and the bone road, and achieves the purpose of strengthening postoperative stability. (2) At present, there is a 〇egau expansion in foreign countries. Bone nail, but for the purpose of improving the strength of the interface is still limited. The new bone nail developed by this creation, its design concept and fixing mechanism are completely different from the above structure, and has deep research and development value. (3) Using bone mud to infuse in hollow type In the bone nail, and through the side and end of the perforation, the combination with the loose vertebral body increases the interface strength between the bone nail and the sponge bone. (4) The creation is multi-directional, and the bone condition can be adjusted according to the patient's bone condition. Nail lock into the square 5 M395455 is original in design concept and fixing mechanism. (5) After the bone nail is implanted into the vertebral body, it can be injected into the bone mud through the hollow bone nail with the bone mud squeezing aid to drive the bone mud. Exuding the bone nail at the hole, and then infiltrating into the vertebral body to achieve the integration of the bone mud, the vertebral body and the bone nail. The techniques, means and functions of the present invention are described in conjunction with the preferred embodiment. After detailed description, it is believed that the above objects, structures and features of the present invention can be understood in detail. [Embodiment] Referring to the first to fifth figures, the present invention provides a multi-directionality. Bone-filled hollow bone nails, including: Number of fixed rods (! 〇) 'The fixed rod (i Q) is a long circular rod; Number of bone cement (2 〇), the number of bone cement (2 〇) Infused into the vertebral body; an array of bone nail structures (30), each set of bone nail structures (3 〇) includes at least two bone body (40), each of the bone nail bodies (4 〇) is provided with an axial through The perforation (41) and the number of radial through holes (42), the number of radial The perforation hole (42) and the axial through hole (4丄) are connected to the hollow body (40), and the free end has a spherical portion (43) and a concave tool locking hole (4 4 ” bone nail body (4 〇) After implanting the vertebral body M395455, it can be matched with the bone mud extrusion aid (8〇) via the hollow bone nail body (40). The tool locking hole (44), the axial through hole (41) Injecting the bone mud ' and oozing out through the axial through hole (4 丄) and the number of radial through holes (4 2 ); at least 20,000 directional screw head (50), each of the universal screw heads (5 〇) has a ball recess for the ball portion (43) to limit its inner radius to adjust the rotation 'the universal screw head (5〇) and set it to a hollow one (5 2 ), and is hollow The u-shaped body (52) is provided with a thread (5 2 the fixing rod (10) has to pass through the u-shaped body (5 2 ) of at least 20,000 directional screw heads (5 ;); at least two fixing screws (6 ◦), Each fixing screw (6 〇) is screwed into the thread (521) and pressed against the fixing rod (1〇) and the = universal screw head (5G) to form a multi-directional bone mud perfusion hollow = Nail. According to this, the multi-directional bone nail can adjust the locking direction of the patient's bone condition, and the probability of success is greatly improved. The multi-directional bone nail can quantitatively and effectively inject the bone mud into the loose vertebral body' and can appropriately adjust the angular deviation caused by the deviation of the nail insertion during assembly, and greatly increase the interface between the bone nail/bone road. Strength 'to achieve the purpose of strengthening postoperative stability. The order of its application is to insert a bone cement (2 〇) into the bone body (4 )) through the hollow bone through the hollow bone to the universal screw head (8 )). 5 〇) The u-shaped body (5 2 7 - 5455 ) is assembled into the fixed rod (10), and the at least 20,000-way screw head (5 〇) can adjust the angle f ' to make the fixed rod (i ◦) lock smoothly. Solid, composed of - multi-directional bone mud perfusion of hollow bone nails. The multi-directional bone-mud perfusion hollow bone needle is fixed to the two sides of the upper and lower vertebrae (7!) (72) and then placed on the two sides respectively. Rod (丄〇), and then fixed with the four fixing screws (60) so that the two vertebrae (71), (72) of the intervertebral disc (73) can still maintain the spacing of the intervertebral disc (73) thickness and in the nail When the body "0) is deflected after the position is entered, (4) the universal direction is turned, and the fixed rod (i 0 ) can be smoothly locked. The bone mud extrusion auxiliary device (8〇) comprises a syringe (81) filled with bone cement (20), placed in a syringe holder (8", and a screwing rod (83) is screwed In the screw hole section (8 2 1 ) of the syringe holder (82), the screwing rod (83) is rotatably fed into the syringe barrel (8 1 ), and the syringe barrel is forced (8) The bone cement (20) in the crucible is inserted from the adapter (84) into the axial direction of the hollow nail body (4〇) through the hole (the Sichuan, the radial through hole (4 2) is poured in. The extrusion auxiliary device i (8〇) is obtained as a metal bone mud extrusion auxiliary device 80). The foregoing is a description of the technical features of the present invention for the preferred embodiment of the present invention, but is familiar with this item. Those who are technically able to make changes and modifications to this creation without departing from the spirit and principles of this creation, and such changes and modifications shall be included in the scope defined in the following patent application scope. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective exploded view of an embodiment of the present invention. FIG. 2 is a schematic cross-sectional view of an embodiment of the present creation. Intent FIG Third: The present state creation perspective view one embodiment.

The fourth picture: a schematic diagram of the implementation state of this creation. The fifth picture is a schematic diagram of the implementation state of the artificial bone mud extrusion auxiliary device. [Main component symbol description]

(1 0) fixed rod (30) bone nail structure (41) axially through the perforation (4 3) spherical portion (50) universal screw head (5 2 ) U-shaped body (60) fixing screw (7 2) Spine (80) Bone Mud Squeeze Aid (8 1 ) Syringe (8 2 1) Screw Hole Section (8 4 ) Adapter (2 0) Bone Cement (40) Bone Body (4 2) Diameter To the through hole (4 4 ) tool lock hole (5 1 ) ball recess (5 2 1 ) thread (71) spine (7 3 ) disc device (82) syringe holder (8 3 ) screwed into the rod 9

Claims (1)

  1. M395455 VI. Scope of application: 1 · Multi-directional bone-soil perfusion hollow bone nails include: Number of fixed rods 'The fixed rods are long round rods; Array of nails, each group of bones The nail structure comprises: at least one bone nail body, the each nail body is provided with an axial through hole and a plurality of through holes, and the number penetrates through the hole and is electrically connected to the axial through hole. The free end of the bone nail body and has a ball portion and a concave tool locking hole; at least 20,000 directional screw head, each of the universal snails has a ball recess for the ball to be limited Rotating to the adjustment, the universal screw head is arranged as a hollow U-shaped body, and is hollow; the shape is a thread, the fixing rod has to pass through the U-shaped body of at least two 4-way screw heads; Screwing the thread into the thread and at least one of the fixing screws, the fixing rod and the universal screw are fixedly fixed, and the hollow bone nail is poured into the mud. It is fixed into a multi-directional bone. 2. Please ask for the patent scope! The hollow bone nail of the item, wherein the multi-directional bone mud perfusion/sexual bone dragon perfusion is fixed on a pair of bone nails on both sides of the two vertebrae, and each of the upper and lower sides is placed in a side-to-side a, , '. And then the two-fixed body at the two sides, and the two fixed bodies of the fixed rod can still maintain the thickness of the intervertebral disc ~ wide so that the position of the vertebrae is less At the time, the universal word can still be used;:, and the nails are smoothly locked. 10
TW99213318U 2010-07-13 2010-07-13 Multi-directional bone-cement perfusion hollow bone screw TWM395455U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW99213318U TWM395455U (en) 2010-07-13 2010-07-13 Multi-directional bone-cement perfusion hollow bone screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW99213318U TWM395455U (en) 2010-07-13 2010-07-13 Multi-directional bone-cement perfusion hollow bone screw

Publications (1)

Publication Number Publication Date
TWM395455U true TWM395455U (en) 2011-01-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI593380B (en) * 2015-03-23 2017-08-01 台灣微創醫療器材股份有限公司 Injection device for biological tissue repair

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI593380B (en) * 2015-03-23 2017-08-01 台灣微創醫療器材股份有限公司 Injection device for biological tissue repair

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