[go: up one dir, main page]

CN108703799A - Locking and pressurizing synthetism panel assembly - Google Patents

Locking and pressurizing synthetism panel assembly Download PDF

Info

Publication number
CN108703799A
CN108703799A CN201810517093.3A CN201810517093A CN108703799A CN 108703799 A CN108703799 A CN 108703799A CN 201810517093 A CN201810517093 A CN 201810517093A CN 108703799 A CN108703799 A CN 108703799A
Authority
CN
China
Prior art keywords
hole
segment
locking
screw
lock
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201810517093.3A
Other languages
Chinese (zh)
Inventor
陈晋伟
刘崇兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Double Medical Technology Inc
Original Assignee
Double Medical Technology Inc
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 Double Medical Technology Inc filed Critical Double Medical Technology Inc
Priority to CN201810517093.3A priority Critical patent/CN108703799A/en
Publication of CN108703799A publication Critical patent/CN108703799A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8004Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8052Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded
    • A61B17/8057Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates immobilised relative to screws by interlocking form of the heads and plate holes, e.g. conical or threaded the interlocking form comprising a thread
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/808Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms

Landscapes

  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses locking and pressurizing synthetism panel assembly, including bone plate and screw, pressurization hole and lock hole are offered on bone plate.Pressurization hole includes polygonal hole, and polygonal hole inner hole wall includes multiple arc surfaces, and the axis of multiple arc surfaces is arranged around polygonal hole center annular array;The spacing L in polygonal hole center and the lock hole center of circle is equal to (D1+D2)/2, and pressurization hole is connected with lock hole and cooperatively forms anti-drift bolt slot at the connection of pressurize hole and lock hole;Screw includes relatively-stationary spiro rod section and head, and external screw thread is equipped at spiro rod section, and head includes segment, and the part of segment is equipped with shiny surface, and the part of segment is equipped with external screw thread;Spiro rod section radius and circular arc radius surface adaptation, segment diameter and taper hole maximum gauge adaptation, segment external screw thread and lock hole internal thread adaptation.Screw can be used as forcing screw and can be used as lock screw, facilitate surgical procedure, reduce operating time.

Description

Locking and pressurizing synthetism panel assembly
Technical field
The present invention relates to a kind of synthetism panel assembly more particularly to a kind of locking and pressurizing synthetism panel assemblies.
Background technology
Existing locking and pressurizing synthetism panel assembly, including bone plate and screw offer pressurization hole and locking on bone plate Hole, pressurization hole, lock hole top bottom run through, forcing screw need to be arranged in the pressurization hole of bone plate, and lock screw need to be arranged in lock hole, The pressurization hole of different model, lock hole need forcing screw, the lock screw of mating different model again.It is needed according to difference in operation Illness selects different screws to fix, if do not prepare enough a variety of forcing screws in operation or lock screw will result in operation can not be complete At situation or extend operating time.In addition there is also following deficiencies for existing locking and pressurizing synthetism panel assembly:First, bone plate Lock hole can realize it is strong fix but cannot achieve loaded reset, pressurization hole can realize loaded reset but cannot achieve it is strong It is fixed;Second, existing combined hole due to lock hole and pressurization hole delivery position have cut such as CN102688085A, CN202699269U, therefore the break location is squeezed and can deform in screwing, cause screw slide into pressurization hole and There is stuck phenomenon;Pressurization hole can reduce pressure effect in the break location screwing and can be squeezed in ailhead position It deforms and blocks ailhead;Third, existing pressurization hole can only individual event pressurization cannot meet the functional requirement of complicated case.It is above several Factor causes that broken nail or subproblem of having broken can be caused when clinic takes nail, therefore cannot be satisfied complex adaptability disease.
Invention content
The present invention provides locking and pressurizing synthetism panel assemblies, and which overcome locking and pressurizing synthetism panel assembly institutes in background technology Existing deficiency.
The used technical solution that the present invention solves its technical problem is:
Locking and pressurizing synthetism panel assembly, including bone plate and screw offer the perforative pressurization in top bottom on the bone plate and lock Determine hole, locking and pressurizing hole includes pressurization hole and lock hole;The pressurization hole includes polygonal hole, which includes multiple etc. The axis of the arc surface of radius, multiple arc surface arranges that multiple arc surface surrounds above-mentioned around polygonal hole center annular array Polygonal hole inner hole wall, which is equal to D1/2, and the spacing at the arc surface axis and center is equal to J/2, and J is less than D1/2 And 1mm < J < 3mm;
The lock hole is up big and down small taper hole, and lock hole is equipped with internal thread and taper hole maximum diameter of hole is D2;
The polygonal hole center and the lock hole center of circle are arranged along bone plate length direction, and polygonal hole center and the lock hole center of circle Spacing L be equal to (D1+D2)/2, which, which connects with lock hole and cooperatively formed at the connection of pressurize hole and lock hole, prevents wearing Follow closely slot;
The screw includes relatively-stationary spiro rod section and head, is equipped with external screw thread at spiro rod section, head includes segment, segment Part be equipped with shiny surface, the part of segment is equipped with external screw thread;Moreover, the spiro rod section radius and circular arc radius surface adaptation, segment Diameter and taper hole maximum gauge adaptation, segment external screw thread and lock hole internal thread adaptation.
Among one embodiment:The central angle of multiple arc surface is equal.
Among one embodiment:The polygonal hole includes four arc surfaces, and there are two the axis of arc surface along bone plate length side To arranged for interval.
Among one embodiment:The segment top on the head is set as shiny surface, and lower part is equipped with external screw thread.
Among one embodiment:The segment top on the head is equipped with external screw thread, and lower part is set as shiny surface.
Among one embodiment:It is set as reaming at the top of the polygonal hole, the reaming and head adaptation.
Among one embodiment:The reamer is arranged with internal thread, and the internal thread of the reaming part and the external screw thread of segment are suitable Match.
Among one embodiment:The screw further includes the cervical part of esophagus being fixed between spiro rod section and head.
Among one embodiment:The spiro rod section outer diameter is more than cervical part of esophagus outer diameter, which is more than spiro rod section outer diameter.
Compared with the background art, it has the following advantages that the technical program:
Pressurization hole includes polygonal hole, and polygonal hole inner hole wall includes the arc surface of multiple equal radiuses, the axis of multiple arc surfaces It is arranged around polygonal hole center annular array, multiple arc surfaces surround above-mentioned polygonal hole inner hole wall;Polygonal hole center and lock hole The center of circle is arranged along bone plate length direction, and the spacing L in polygonal hole center and the lock hole center of circle is equal to (D1+D2)/2, hole of pressurizeing It is connected with lock hole and cooperatively forms anti-drift bolt slot at the connection of pressurize hole and lock hole;Screw includes relatively-stationary screw rod Section and head are equipped with external screw thread at spiro rod section, and head includes segment, and the part of segment is equipped with shiny surface, and the part of segment is equipped with External screw thread;Spiro rod section radius and circular arc radius surface adaptation, segment diameter and taper hole maximum gauge adaptation, segment external screw thread and locking Hole internal thread adaptation, therefore can have the following technical effects:First, screw can use as forcing screw and can be used as locking Screw uses, and facilitates surgical procedure, reduces operating time;Second, anti-drift bolt slot can effectively prevent threaded hole quilt when being followed closely on screw Deformation is strutted, and, screw sliding;Third, screw can realize multi-direction angle pressurization in pressurization, meets more clinics and adapt to Disease;Fourth, the clamping force that nail hole position stress deformation generates can be eliminated;Fifth, screw as forcing screw in use, head of screw The external screw thread in portion can increase the frictional force on head and hole of pressurizeing, and reduce de- nail risk;Sixth, be equipped with segment, spherical surface can reduce because Stress concentration caused by reducing, therefore screw intensity can be increased, reduce the risk being broken at ailhead.
Reamer is arranged with internal thread, the internal thread of reaming part and the external screw thread adaptation of segment, and when pressurization also realizes lock It is fixed.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic top plan view of the bone plate of present embodiment.
Fig. 2 is enlarged diagram at the A of Fig. 1.
Fig. 3 is the diagrammatic cross-section of I type bone plate of present embodiment.
Fig. 4 is the schematic top plan view of I type bone plate of present embodiment.
Fig. 5 is the diagrammatic cross-section of II type bone plate of present embodiment.
Fig. 6 is the schematic top plan view of II type bone plate of present embodiment.
Fig. 7 is the diagrammatic cross-section of III type bone plate of present embodiment.
Fig. 8 is the schematic top plan view of III type bone plate of present embodiment.
Fig. 9 is the diagrammatic cross-section of IV type bone plate of present embodiment.
Figure 10 is the schematic top plan view of IV type bone plate of present embodiment.
Figure 11 is I type screw schematic front view of present embodiment.
Figure 12 is II type screw schematic front view of present embodiment.
Figure 13, which is the screw of present embodiment, can use as forcing screw and can be used as lock screw One of schematic diagram.
Figure 14, which is the screw of present embodiment, can use as forcing screw and can be used as lock screw The two of schematic diagram can realize multi-angle regulation when being used as forcing screw.
Figure 15, which is the screw of present embodiment, can use as forcing screw and can be used as lock screw The three of schematic diagram.
Specific implementation mode
Locking and pressurizing synthetism panel assembly please refers to Fig. 1 to Figure 15, including bone plate 100 and screw 200, the bone plate 100 On offer the top perforative locking and pressurizing hole in bottom, which includes pressurization hole 110 and lock hole 120.
The pressurization hole 110 includes polygonal hole, which includes multiple arc surfaces 111 for waiting radiuses, multiple The axis 112 of arc surface 111 arranges that the axis 112 is arranged along top and bottom direction around polygonal 113 annular array of hole center;It is multiple Arc surface 111 surrounds above-mentioned polygonal hole inner hole wall, which is equal to D1/2,111 axis of arc surface, 112 He The spacing at center 113 is equal to J/2, and J is less than D1/2 and 1mm < J < 3mm.The central angle of multiple arc surface 111 is equal.This tool Among body embodiment:The polygonal hole includes four arc surfaces 111, and there are two the axis 112 of arc surface 111 along bone plate 110 Length direction arranged for interval;It is set as reaming 114 at the top of the polygonal hole, the reaming and head adaptation.Wherein, since the polygonal hole has There is the circular arc of multiple evaginations, similar each circular arc is in a salient angle, therefore is polygonal hole.
The lock hole 120 is up big and down small taper hole, and lock hole 120 is equipped with internal thread and taper hole maximum diameter of hole is D2.
The polygonal hole center 113 and 120 center of circle of lock hole are arranged along 110 length direction of bone plate, and polygonal hole center 113 It is equal to (D1+D2)/2 with the spacing L in 120 center of circle of lock hole, so that the pressurization hole 110 is connected and pressurizes with lock hole 120 Anti- drift bolt slot 130 is cooperatively formed at the connection of hole 110 and lock hole 120.
Fig. 3 and Fig. 4 are please referred to, the polygonal hole in the pressurization hole 110 on I type bone plate and reaming do not set internal thread;It please look into Fig. 5 and Fig. 6 are read, the polygonal hole in the pressurization hole 110 on II type bone plate sets internal thread, that is, internal thread is set in this every section cambered surface, it should Reaming does not set internal thread;Fig. 7 and Fig. 8 are please referred to, the polygonal Kong Weishe internal threads in the pressurization hole 110 on IV type bone plate, the expansion Hole sets part internal thread, the internal thread of the reaming part and the external screw thread adaptation of segment;Please refer to Fig. 9 and Figure 10, IV bone plate Upper polygonal hole sets part internal thread, such as only sets internal thread in the cambered surface of part, which does not set internal thread.
The screw 200 includes spiro rod section 210, head 220 and affixed spiro rod section 210 and the cervical part of esophagus on head 220 230, screw rod External screw thread is equipped at section 210, head includes segment, and segment axis and spiro rod section axis overlap, and the part of segment is equipped with shiny surface 231, the part of segment is equipped with external screw thread 232;Moreover, 210 radius of spiro rod section and 111 radius of arc surface adaptation, segment diameter It is adapted to the taper hole maximum gauge of lock hole 120, segment external screw thread and lock hole internal thread adaptation.210 outer diameter of spiro rod section is big In 230 outer diameter of cervical part of esophagus, which is more than 210 outer diameter of spiro rod section.Figure 11 is please referred to, in I type screw on the segment on head 220 Portion is equipped with external screw thread 232, and lower part is set as shiny surface 231.Please refer to Figure 12, the segment top on head 220 is set as in II type screw Shiny surface 231, lower part are equipped with external screw thread 232.
Figure 13 is please referred to, the screw 200 is as selected I type screw, and the bone plate is as selected I type bone plate;The screw can Coordinate pressurization hole 110 to use as forcing screw, and lock screw cooperation lock hole 120 can be used as to use.The screw fit adds Press hole 110 in use, the screw 200 head 220 and pressurization hole 110 reaming cooperation, the spiro rod section 210 and pressurization hole 110 Polygonal hole cooperation, realize pressurization secure fit.The screw fit lock hole 120 is in use, the head 220 of the screw 200 The screw-internal thread fit of screw thread and lock hole 120 realizes secure fit.
Figure 14 is please referred to, which pressurizes hole 110 in use, because pressurization hole 110 includes polygonal hole, polygonal hole endoporus Wall includes the arc surface 111 of multiple equal radiuses, and the axis 112 of multiple arc surfaces 111 is around 113 annular array cloth of polygonal hole center It sets, therefore screw can opposite pressurization hole progress multi-angle regulation.
As needed, III type bone plate also can be selected, the internal thread in pressurization hole 110 can realize the outer spiral shell to the head of screw The fixation of line can directly lock fixation after the pressurizing in operation.
Figure 15 is please referred to, the screw 200 is as selected I type screw, and the bone plate is as selected IV type bone plate;The screw can Coordinate pressurization hole 110 to use as forcing screw, and lock screw cooperation lock hole 120 can be used as to use.The screw fit adds Hole 110 is pressed in use, the shiny surface 231 on the head 220 of the screw 200 and the reaming cooperation pressurization in pressurization hole 110, the external screw thread 232 and pressurization hole 110 screw-internal thread fit generation be locked, after screw carries out multi-angle pressurization first, external screw thread 232 with add The internal thread in pressure hole 110 is locked, and realizes that multi-angle pressurization is locked.And the screw 200 can also be realized solely Vertical pressurization and independent locking function.
The above, only present pre-ferred embodiments, therefore cannot limit the scope of implementation of the present invention according to this, i.e., according to Equivalent changes and modifications made by the scope of the claims of the present invention and description all should still belong in the range of the present invention covers.

Claims (9)

1. locking and pressurizing synthetism panel assembly, including bone plate and screw, the top perforative locking and pressurizing in bottom is offered on the bone plate Hole, locking and pressurizing hole include pressurization hole and lock hole;It is characterized in that:
The pressurization hole includes polygonal hole, which includes the arc surface of multiple equal radiuses, the axis of multiple arc surface Line arranges that multiple arc surface surrounds above-mentioned polygonal hole inner hole wall, the circular arc radius surface etc. around polygonal hole center annular array In D1/2, the spacing at the arc surface axis and center is equal to J/2, and J is less than D1/2 and 1mm < J < 3mm;
The lock hole is up big and down small taper hole, and lock hole is equipped with internal thread and taper hole maximum diameter of hole is D2;
The polygonal hole center and the lock hole center of circle are arranged along bone plate length direction, and between polygonal hole center and the lock hole center of circle It is equal to (D1+D2)/2 away from L, which connects with lock hole and cooperatively form anti-drift bolt at the connection of pressurize hole and lock hole Slot;
The screw includes relatively-stationary spiro rod section and head, is equipped with external screw thread at spiro rod section, head includes segment, the portion of segment It is arranged with shiny surface, the part of segment is equipped with external screw thread;Moreover, the spiro rod section radius and circular arc radius surface adaptation, segment diameter It is adapted to taper hole maximum gauge, segment external screw thread and lock hole internal thread adaptation.
2. locking and pressurizing synthetism panel assembly according to claim 1, it is characterised in that:The central angle phase of multiple arc surface Deng.
3. locking and pressurizing synthetism panel assembly according to claim 2, it is characterised in that:The polygonal hole includes four circular arcs Face, there are two the axis of arc surface along bone plate length direction arranged for interval.
4. locking and pressurizing synthetism panel assembly according to claim 1, it is characterised in that:The segment top on the head is set as light Sliding surface, lower part are equipped with external screw thread.
5. locking and pressurizing synthetism panel assembly according to claim 1, it is characterised in that:The segment top on the head is equipped with outer Screw thread, lower part are set as shiny surface.
6. locking and pressurizing synthetism panel assembly according to claim 1, it is characterised in that:It is set as reaming at the top of the polygonal hole, The reaming and head adaptation.
7. locking and pressurizing synthetism panel assembly according to claim 6, it is characterised in that:The reamer is arranged with internal thread, The internal thread of the reaming part and the external screw thread adaptation of segment.
8. locking and pressurizing synthetism panel assembly according to claim 1, it is characterised in that:The screw further includes being fixed in screw rod Cervical part of esophagus between section and head.
9. locking and pressurizing synthetism panel assembly according to claim 8, it is characterised in that:The spiro rod section outer diameter is more than outside cervical part of esophagus Diameter, the segment outer diameter are more than spiro rod section outer diameter.
CN201810517093.3A 2018-05-25 2018-05-25 Locking and pressurizing synthetism panel assembly Pending CN108703799A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810517093.3A CN108703799A (en) 2018-05-25 2018-05-25 Locking and pressurizing synthetism panel assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810517093.3A CN108703799A (en) 2018-05-25 2018-05-25 Locking and pressurizing synthetism panel assembly

Publications (1)

Publication Number Publication Date
CN108703799A true CN108703799A (en) 2018-10-26

Family

ID=63870619

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810517093.3A Pending CN108703799A (en) 2018-05-25 2018-05-25 Locking and pressurizing synthetism panel assembly

Country Status (1)

Country Link
CN (1) CN108703799A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101600398A (en) * 2006-12-19 2009-12-09 泽林斯基公司 Orthopedic screw closure system
EP2364658A1 (en) * 2010-03-10 2011-09-14 aap Implantate AG Bone plate
CN102858263A (en) * 2010-04-27 2013-01-02 斯恩蒂斯有限公司 Bone fixation system including K-wire compression
US20150094773A1 (en) * 2012-05-03 2015-04-02 Merete Medical Gmbh Bone Plate System for Osteosynthesis
CN106880396A (en) * 2015-12-15 2017-06-23 上海交通大学 A kind of Fracture internal fixaiion screw of degradable absorption
CN209074840U (en) * 2018-05-25 2019-07-09 大博医疗科技股份有限公司 A kind of locking and pressurizing synthetism panel assembly

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101600398A (en) * 2006-12-19 2009-12-09 泽林斯基公司 Orthopedic screw closure system
EP2364658A1 (en) * 2010-03-10 2011-09-14 aap Implantate AG Bone plate
CN102858263A (en) * 2010-04-27 2013-01-02 斯恩蒂斯有限公司 Bone fixation system including K-wire compression
US20150094773A1 (en) * 2012-05-03 2015-04-02 Merete Medical Gmbh Bone Plate System for Osteosynthesis
CN106880396A (en) * 2015-12-15 2017-06-23 上海交通大学 A kind of Fracture internal fixaiion screw of degradable absorption
CN209074840U (en) * 2018-05-25 2019-07-09 大博医疗科技股份有限公司 A kind of locking and pressurizing synthetism panel assembly

Similar Documents

Publication Publication Date Title
US20230338120A1 (en) Dental implant
CN201759658U (en) Distal-radius palmar-locking bone fracture plate
CN209074840U (en) A kind of locking and pressurizing synthetism panel assembly
CN107280756A (en) A kind of medical cranial Bone nail structure
CN108703799A (en) Locking and pressurizing synthetism panel assembly
CN201759663U (en) Locking type anterior cervical plate system
CN201624766U (en) Bone setting device
US20240344546A1 (en) Screw for Securing a Dental Prosthesis
CN203524761U (en) Expansion type metal bone-setting locking screw
CN110876640A (en) Wedge block screw internal fixing device
CN111248992B (en) Multifunctional screw
CN206918027U (en) A kind of Anti-dismantle screw
CN209977031U (en) Non-standard bolt
CN204500930U (en) Omnirange fixation bone fracture plate
CN220046040U (en) Universal locking bone fracture plate
CN207928368U (en) Pedicle screw fixation operation operation lock screw and mating wrench set
CN214966499U (en) Universal locking bone fracture plate system
CN208551989U (en) A kind of anti-loose pedicle nail bar system
CN104739495A (en) Bone fracture plate for fixing in all directions
CN206700224U (en) A kind of medical hollow forcing screw
CN206659896U (en) A kind of bone surgery proximal humeral fracture connectivity kit
CN110786921B (en) Medical bone nail
CN207186677U (en) A kind of novel combination type bone fixator
CN204133586U (en) A kind of Anti-loose Wicresoft locking device
CN111658108A (en) Fastening nail seat, nail rod locking device and spine fixing system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181026

RJ01 Rejection of invention patent application after publication