CN109820585A - Minimally invasive marrow inner panel system - Google Patents

Minimally invasive marrow inner panel system Download PDF

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Publication number
CN109820585A
CN109820585A CN201810781994.3A CN201810781994A CN109820585A CN 109820585 A CN109820585 A CN 109820585A CN 201810781994 A CN201810781994 A CN 201810781994A CN 109820585 A CN109820585 A CN 109820585A
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China
Prior art keywords
marrow
inner panel
outer portion
minimally invasive
marrow inner
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CN201810781994.3A
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CN109820585B (en
Inventor
巨重鹤
李严
岳中波
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Hebei Rui Rui Medical Instrument Co Ltd
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Hebei Rui Rui Medical Instrument Co Ltd
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Abstract

The invention discloses a kind of minimally invasive marrow inner panel systems, including integrally formed marrow inner panel ontology, the marrow inner panel ontology is by marrow inner part, marrow outer portion and connects this two-part transition portion and constitutes, it is divided into long tube type inside the marrow, it is divided into the shape of fitting epiphysis end and articular surface outside marrow, it is equipped with locking nail hole in the main body of marrow inner part, locking screw thread hole is equipped in the main body of marrow outer portion.The advantages of present invention incorporates anatomical type locking plate, cross locking marrow nail and minimally invasive surgery technologies; its marrow inner part can provide for shaft fracture either statically or dynamically fixes; substantially there is no stress-shielding effect; the modus operandi of simultaneous selection closed nailing avoids exposing fracture site; protect fracture site hemotoncus; damage is reduced, union rate is improved;Marrow outer portion can provide good supporting role, while realizing and restoring the length of fracture site, correcting rotation displacement, and correcting the purpose of the line of force, guarantee the early ambulant of patient.

Description

Minimally invasive marrow inner panel system
Technical field
The invention belongs to the field of medical instrument technology, and in particular to a kind of minimally invasive marrow inner panel system.
Background technique
The therapeutic purposes at fracture initial stage are to reset, reconstruction of stability, while saving blood supply, keep patient and suffering limb early Phase activity.Absolute stability was emphasized to the operative treatment of fracture in the past to guarantee direct knitting, more emphasize now biology, it is micro- The fracture fixation method of wound.Currently used fractures method mainly has plate fixation and Interlocking intramedullary fixation.
The fracture of joint part is different from shaft fracture, needs anatomical reduction and absolute stability to promote joint Soft symphysis.Therefore, the fractures for being related to joint part are preferably absolute Titanic micro-plates, usually with bone plate come It realizes.The several sections of fracture of metaphysis and articular surface can leave gap or defect in cancellous bone and cortex bone after reset.Reset is followed by The reduction of contacting surface product can reduce the stability of this body structure of bone, at this moment need support bone plate.Epiphysis and metaphysis are crushed Property fracture, the fracture of Indirect reduction can not be can be carried out especially with intramedullary nail, the operation wound of open reduction can increase bone The risk of delayed union and infection, while also resulting in sclerite blood fortune and further destroying.In order to obtain the stabilization of biomethanics Microtrauma type synthetism plate technique can be used in structure, to reach the length for restoring fracture site, correction rotation displacement, and corrects The purpose of the line of force.But no matter fracture and which kind of above-mentioned situation belonged to, the use of bone plate all inevitably answers bone generation Power is blocked, to make skeletogenous delayed union or disunion etc..
Fixed relative to locking bone fracture plate, cross locking marrow nail use Medullary fixation, fixed axis close to long bone central axis, Therefore stress shielding is basically will not produce.It is disconnected to be conducted through downwards fracture along cortical bone for allowable stress while Intramedullary nailing End, makes it have certain stress to stimulate union.Especially for the joint outer portion reduction of the fracture and fixation, most First purpose is to restore the axis of limbs while obtaining strong fixed, and to carry out early ambulant, Intramedullary nailing is more at this time Tool advantage.The healing of fracture needs certain stress stimulation from biological point.Cross locking marrow nail uses flexible fastening, Not only static fixation may be implemented, but also dynamic may be implemented and fix, can guarantee fracture end while reaching sufficiently stable in this way With a small amount of fine motion in favor of union.
Cross locking marrow nail is usually used in the fractures of long bone with its unique advantage, but for the more of epiphysis end and articular surface Section fracture, intramedullary nail are then unable to satisfy requirement.
Summary of the invention
It is combined the technical problem to be solved by the invention is to provide a kind of suitable for the several sections of fracture of epiphysis end and articular surface The fixed minimally invasive marrow inner panel system of shaft fracture.
To solve the above problems, the technical solution used in the present invention is:
A kind of minimally invasive marrow inner panel system, including integrally formed marrow inner panel ontology, the marrow inner panel ontology by marrow inner part, It marrow outer portion and connects this two-part transition portion and constitutes, be divided into long tube type inside the marrow, fitting bone is divided into outside marrow The shape of epiphysis end and articular surface is equipped with locking nail hole in the main body of marrow inner part, and locking is equipped in the main body of marrow outer portion Threaded hole.
Further, one end of the transition portion connects marrow inner part one end, and the other end of transition portion connects outside marrow The centre of partial one end or marrow outer portion or the other end of marrow outer portion.
Further, the transition portion is arc.
Further, the lock hole is at least arranged two, and is arranged along the length direction of long tube type marrow inner part.It is described The setting of locking screw thread hole is multiple.
The beneficial effects of adopting the technical scheme are that
The advantages of present invention incorporates the technologies such as anatomical type locking plate, cross locking marrow nail and Minimally Invasive Surgery, design Minimally invasive marrow inner panel, the several sections of fracture combination shaft fracture for metaphysis and articular surface provide fixed solution.Inside marrow of the invention It point can provide for shaft fracture and either statically or dynamically to fix, the characteristics of due to its Medullary fixation, substantially without stress-shielding effect It generates;The modus operandi of simultaneous selection closed nailing can protect fracture site hemotoncus, reduce damage to avoid exposure fracture site Wound improves union rate.For the several sections of fracture of metaphysis and articular surface, marrow outer portion of the invention can provide good Supporting role, while realizing and restoring the length of fracture site, correcting rotation displacement, and correcting the purpose of the line of force, guarantee patient Early ambulant.The unique design of the present invention can carry out Minimally Invasive Surgery, so as to reduce to fracture site and sclerite Iatrogenic injury.The destruction for reducing the removing of fracture area soft tissue and Peripheral blood confession, for reducing infection and nonunion The complication such as conjunction have very great help.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of marrow inner panel embodiment of the present invention;
Fig. 2 is 2 structural schematic diagram of marrow inner panel embodiment of the present invention;
Fig. 3 is 3 structural schematic diagram of marrow inner panel embodiment of the present invention;
Fig. 4 is Fig. 1 side structure schematic view of the present invention;
Fig. 5 is 1 schematic diagram of application structure of the embodiment of the present invention;
Drawing reference numeral explanation:
1, marrow outer portion, 2, locking screw thread hole, 3, transition, 4, marrow inner part, 5, locking nail hole.
Specific embodiment
Invention is described in further detail with reference to the accompanying drawing:
The minimally invasive marrow inner panel system indication of the present invention is the several sections of fracture combination shaft fracture of metaphysis and articular surface.Mainly Being applicable in position is each long Bones and joints end, close comprising proximal ulna/distal end, radius proximal end/distal end, proximal humerus/distal end, femur End/distal end, proximal tibia/distal end and fibula proximal end/distal end.
Fig. 1-3 show three embodiments of the invention, represents three kinds of patterns of marrow inner panel of the invention, of the invention Marrow inner panel includes integrally formed marrow inner panel ontology, and the marrow inner panel ontology is by marrow inner part 4, marrow outer portion 1 and connects this Two-part transition portion 3 is constituted, and is divided into long tube type inside the marrow, and the shape of fitting epiphysis end and articular surface is divided into outside marrow Shape, transition portion are arc, and locking nail hole 5 is equipped in the main body of marrow inner part, and locking spiral shell is equipped in the main body of marrow outer portion Pit 2.Three kinds of patterns can be divided into according to the difference of transition portion and marrow outer portion link position, as shown in Figure 1-3, it is of the invention Three embodiments have respectively represented three kinds of patterns of marrow inner panel of the invention.
As shown in Figs 1-4, in order to which the fix stably for guaranteeing marrow inner part and marrow outer portion is reliable, conducive to being cured for fracture It closes, the lock hole is at least arranged two, and is arranged along the length direction of long tube type marrow inner part, the locking screw thread hole setting It is multiple, select appropriate number of locking screw thread hole to be fixed as needed when fixed.
One end of three kinds of patterns as shown in Figs. 1-3, transition portion connects marrow inner part one end, the other end of transition portion Connect the other end of one end of marrow outer portion or the centre of marrow outer portion or marrow outer portion.The wherein minimally invasive marrow of embodiment 1 Inner panel is that transition portion is connect with the lower end (one end) of marrow outer portion;The minimally invasive marrow inner panel of embodiment 2 is outside transition portion and marrow Partial intermediate position connection;The minimally invasive marrow inner panel of embodiment 3 is that transition portion is connect with the upper end (other end) of marrow outer portion.
It is illustrated by taking the minimally invasive marrow inner panel (embodiment 1) of proximal humerus as an example below.
The shape of marrow outer portion meets the anatomic form of proximal humerus, and locking screw thread hole is in combination with locking bone screw with reality The reconstruction and fixation in existing proximal humerus epiphysis and joint;Marrow inner part is used for the fixation of humerus backbone, and locking nail hole 5 can carry out Distal locking, to improve stability, working principle is as shown in Figure 5.
The advantages of present invention incorporates the technologies such as anatomical type locking plate, cross locking marrow nail and Minimally Invasive Surgery, can be with Several sections of fracture combination shaft fracture for metaphysis and articular surface provides more perfect solution.Marrow inner part of the invention It can provide for shaft fracture and either statically or dynamically fix, the characteristics of due to its Medullary fixation, be produced substantially without stress-shielding effect It is raw;The modus operandi of simultaneous selection closed nailing can protect fracture site hemotoncus, reduce damage to avoid exposure fracture site, Improve union rate.For the several sections of fracture of metaphysis and articular surface, marrow outer portion of the invention can provide good branch Support effect, while realizing and restoring the length of fracture site, correcting rotation displacement, and correcting the purpose of the line of force, guarantee patient's Early ambulant.
It is well known that the operation wound of open reduction can increase the risk of bone delay in healing and infection, while can also lead Sclerite blood fortune is caused further to destroy.The unique design of the present invention can carry out Minimally Invasive Surgery, disconnected to fracture so as to reduce The iatrogenic injury of end and sclerite.The destruction for reducing the removing of fracture area soft tissue and Peripheral blood confession, feels for reducing The complication such as dye and nonunion have very great help.

Claims (5)

1. a kind of minimally invasive marrow inner panel system, it is characterised in that: including integrally formed marrow inner panel ontology, the marrow inner panel ontology by It marrow inner part, marrow outer portion and connects this two-part transition portion and constitutes, be divided into long tube type, marrow outer portion inside the marrow For fitting epiphysis end and the shape of articular surface, locking nail hole is equipped in the main body of marrow inner part, in the main body of marrow outer portion Equipped with locking screw thread hole.
2. minimally invasive marrow inner panel system according to claim 1, it is characterised in that: in one end connection marrow of the transition portion Part one end, transition portion the other end connection marrow outer portion one end or marrow outer portion centre or marrow outer portion it is another One end.
3. minimally invasive marrow inner panel system according to claim 1 or 2, it is characterised in that: the transition portion is arc.
4. minimally invasive marrow inner panel system according to claim 3, it is characterised in that: the lock hole is at least arranged two, and Length direction along elongate tubular marrow inner part is arranged.
5. minimally invasive marrow inner panel system according to claim 3, it is characterised in that: the locking screw thread hole setting is multiple.
CN201810781994.3A 2018-07-10 2018-07-10 Minimally Invasive Intramedullary Plate System Active CN109820585B (en)

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CN109820585B CN109820585B (en) 2024-02-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111973255A (en) * 2020-06-23 2020-11-24 杨润松 Combined intramedullary pin for fixing femoral fracture
CN111991067A (en) * 2020-08-24 2020-11-27 杨润松 Internal and external combined fixing device for humerus marrow
CN112545628A (en) * 2020-12-11 2021-03-26 大博医疗科技股份有限公司 Proximal humerus fracture fixing device and locking plate thereof
CN113558739A (en) * 2021-08-18 2021-10-29 南方科技大学 Novel minimally invasive intramedullary fixation instrument and fixation method for distal humerus fracture

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001286483A (en) * 2000-04-04 2001-10-16 Masashi Sakamoto Bone nail with side stop screws for bone fracture at metaphyseal of long trunk bones
CN2766796Y (en) * 2003-09-27 2006-03-29 冀原 Internal fixing elastic dynamic cross lock intramedullary nail for bone fracture
CN201684009U (en) * 2010-05-19 2010-12-29 上海市第六人民医院 Calcaneus minimally-invasive anatomy locking steel plate
CN206167123U (en) * 2016-07-28 2017-05-17 北京力达康科技有限公司 Keep nodal section type that closes matched stack formula thighbone tumour knee joint prosthesis
CN209301279U (en) * 2018-07-10 2019-08-27 河北瑞鹤医疗器械有限公司 Minimally invasive marrow inner panel system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001286483A (en) * 2000-04-04 2001-10-16 Masashi Sakamoto Bone nail with side stop screws for bone fracture at metaphyseal of long trunk bones
CN2766796Y (en) * 2003-09-27 2006-03-29 冀原 Internal fixing elastic dynamic cross lock intramedullary nail for bone fracture
CN201684009U (en) * 2010-05-19 2010-12-29 上海市第六人民医院 Calcaneus minimally-invasive anatomy locking steel plate
CN206167123U (en) * 2016-07-28 2017-05-17 北京力达康科技有限公司 Keep nodal section type that closes matched stack formula thighbone tumour knee joint prosthesis
CN209301279U (en) * 2018-07-10 2019-08-27 河北瑞鹤医疗器械有限公司 Minimally invasive marrow inner panel system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111973255A (en) * 2020-06-23 2020-11-24 杨润松 Combined intramedullary pin for fixing femoral fracture
CN111973255B (en) * 2020-06-23 2024-05-31 杨润松 Combined marrow needle for fixing femur fracture
CN111991067A (en) * 2020-08-24 2020-11-27 杨润松 Internal and external combined fixing device for humerus marrow
CN112545628A (en) * 2020-12-11 2021-03-26 大博医疗科技股份有限公司 Proximal humerus fracture fixing device and locking plate thereof
CN113558739A (en) * 2021-08-18 2021-10-29 南方科技大学 Novel minimally invasive intramedullary fixation instrument and fixation method for distal humerus fracture

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