CN108742824A - A kind of bone surgery double end switching screwdriver - Google Patents

A kind of bone surgery double end switching screwdriver Download PDF

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Publication number
CN108742824A
CN108742824A CN201810777612.XA CN201810777612A CN108742824A CN 108742824 A CN108742824 A CN 108742824A CN 201810777612 A CN201810777612 A CN 201810777612A CN 108742824 A CN108742824 A CN 108742824A
Authority
CN
China
Prior art keywords
knife bar
thread groove
screw
bar
slot
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
CN201810777612.XA
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Chinese (zh)
Inventor
孙悦
Original Assignee
孙悦
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 孙悦 filed Critical 孙悦
Priority to CN201810777612.XA priority Critical patent/CN108742824A/en
Publication of CN108742824A publication Critical patent/CN108742824A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • 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, setting implements or the like
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/92Impactors or extractors, e.g. for removing intramedullary devices
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564Methods for bone or joint treatment

Abstract

The present invention relates to the field of medical instrument technology, in particular a kind of bone surgery switches screwdriver with double end, including handle, knife bar, positioning screw and screw fixed column, knife bar slot is offered on the axial direction of the handle, and placing groove, the knife bar is plugged in knife bar slot, and it is slidably connected with knife bar slot, one end of the knife bar is manifold bar, the other end is cross head rod, the knife bar offers knife bar thread groove in the radial direction, the handle offers thread groove in the radial direction, one end of the positioning screw is located in thread groove, and it is mating with knife bar thread groove activity, the other end of the positioning screw is polygon, sleeve compatible with polygon is vertically installed in the screw fixed column, the screw fixed column activity is plugged in placing groove, and end is exposed stretches out in placing groove.The present invention, double end switching, quick for installation, difficulty is low, space-saving after storage, convenient for preserving and carrying.

Description

A kind of bone surgery double end switching screwdriver
Technical field
The present invention relates to the field of medical instrument technology, specially a kind of bone surgery switches screwdriver with double end.
Background technology
Currently, in Orthopedic Clinical, bone surgery, screwdriver is a kind of common tool, is frequently used for the plant of orthopaedic screw Enter, take out:Fixed by fixation steel plate, fixation implant or in taking out etc., in use, screw on larger open surgery notch Knife uses more convenient, but in the prior art, screw driver for orthopaedics is usually according to the orthopaedic screw for being implanted into, taking out Open-topped lines and set, same class screw is operated due to that can only meet, is had a single function, doctor cannot be met Needs.
If Authorization Notice No. is a kind of orthopaedics multifunctional screw driver disclosed in CN206761759U, the top of handle of a knife is sky The lower front part of chamber, handle of a knife is equipped with knife bar, and knife bar is hollow structure, and the front of knife bar is equipped with interior hexagonal mounting groove, interior hexagonal peace Tankage is used in combination with outer-hexagonal mounting head, and one end of outer-hexagonal mounting head is equipped with a word cutter head, and the other end is equipped with cross The bottom of cutter head, handle of a knife is equipped with groove, and groove is embedded to be connected to folding tongs.The inventive structure is simple, reasonable design, easy to use; It is multiple functional, it is easy to carry, the screwdriver of Reasonable Shape is selected according to service condition, the carrying amount of tool, light when reducing work Line can also provide illumination when dark.
For another example Authorization Notice No. is a kind of orthopaedics screwdriver with double heads disclosed in CN204394667U, including shank and solid Due to the knife bar of its front end, knife bar front end is equipped with cutter head, and the cutter head is two-way cutter head, and one end is a word cutter head, one end ten Word cutter head, the cutter head middle part is transverse shaft, and the knife bar end is two cutter head fixed frames, and described two cutter heads fix it Between allow single cutter head to pass through, the shaft is fixed on cutter head fixed frame, and is fixed by fixed screw, and the cutter head can be with It is rotated around shaft.Sleeve is auxiliarily fixed equipped with cutter head in the knife bar, and barrel dliameter matches with knife bar diameter in the sleeve, institute It states shank end and is equipped with magnet.A kind of orthopaedics screwdriver with double heads described in the invention, it is simple in structure, it is easy to use, pacifying Assembly and disassembly need not replace screwdriver or installation cutter head, while the Magnet design of shank end when unloading different screws, can be with Help the screw drawn loose screw and fallen.
Although above-mentioned two scheme is all switched over there are two different cutter heads, have the following problems:First, all It has to remove cutter head and then be reversibly mounted on knife bar, increases cutter head and dismantle installation difficulty, second is that due in orthopaedic screw Installation with, since cutter head and orthopaedic screw active force are larger, and cutter head and knife bar are cooperatings when dismounting, be easy in this way by Cutter head pulls out.
Invention content
The purpose of the present invention is to provide a kind of bone surgery double ends to switch screwdriver, to solve in above-mentioned background technology The problem of proposition.Bone surgery double end switches screwdriver, double end switching, quick for installation, and difficulty is low, does not take up an area after storage Side, convenient for preserving and carrying.
To achieve the above object, the present invention provides the following technical solutions:
A kind of bone surgery double end switching screwdriver, including handle, knife bar, positioning screw and screw fixed column, institute It states and offers knife bar slot and placing groove on the axial direction of handle, the knife bar is plugged in knife bar slot, and is slided with knife bar slot One end of dynamic connection, the knife bar is manifold bar, and the other end is cross head rod, and the knife bar offers knife in the radial direction Bar thread groove, the handle offer thread groove in the radial direction, and one end of the positioning screw is located in thread groove, and with Knife bar thread groove activity is mating, and the other end of the positioning screw is polygon, right angle setting in the screw fixed column There are sleeve compatible with polygon, the screw fixed column activity to be plugged in placing groove, and end is exposed stretches out in placement Slot.
Preferably, the knife bar is in flat, the manifold bar, cross head rod head diameter slightly larger than in the middle part of knife bar Diameter, the knife bar slot are located at the center of handle axial direction, and its shape and knife bar shape adaptation.
Preferably, the quantity of the knife bar thread groove is three groups, is located at manifold bar, on cross head rod and is in The middle part of knife bar, the knife bar thread groove to corresponding manifold bar, the head distance of cross head rod and thread groove to handle two A threshold value is identical.
Preferably, one end of the screw fixed column is equipped with permanent magnetic iron block I, the bottom in the placing groove be equipped with The permanent magnetic iron block II of I attracting cooperation of permanent magnetic iron block.
Preferably, the thread groove open-ended diameter opposite with knife bar slot is slightly larger than the outer diameter of sleeve, the positioning The length of screw is equal with the sum of thread groove and knife bar thread groove.
Compared with prior art, the beneficial effects of the invention are as follows:
In use, knife bar can be fixed by positioning screw, it is position so that manifold bar, cross head rod is in required It sets, the orthopaedic screw that the wound depth situation that doctor is opened according to patient is implanted into patient is facilitated to operate, carrying out a word Head, crosshead need not remove reversed installation when replacing, and only need to move knife bar and be fixed by positioning screw, greatly reduce The difficulty install, removed, and do not have to concern the cutter head of knife bar institute band completely at the time of surgery, i.e.,:Manifold, crosshead occur The case where falling can overcome the internal force generated when different orthopaedic screw implantation, place, after use, after screwdriver storage not Occupation of land side, convenient for preserving and carrying.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is that manifold bar of the present invention (or cross head rod) is completely in schematic diagram in knife bar slot;
Fig. 3 is Fig. 1 schematic cross-sectional views of the present invention;
Fig. 4 is Fig. 2 schematic cross-sectional views of the present invention;
Fig. 5 is handle schematic top plan view of the present invention.
In figure:1 handle, 1a knife bars slot, 1b placing grooves, 1c thread grooves, 2 knife bars, 2a manifolds bar, 2b crosses head rod, 2c Knife bar thread groove, 3 positioning screws, 4 screw fixed columns, 4a sleeves.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "upper", "lower", "inner", "outside" " front end ", " rear end ", The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the Two " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set Be equipped with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection or one Connect to body;It can be mechanical connection, can also be electrical connection;It can be directly connected, it can also be indirect by intermediary It is connected, can is the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition State the concrete meaning of term in the present invention.
~5 are please referred to Fig.1, the present invention provides a kind of technical solution:
A kind of bone surgery double end switching screwdriver, including handle 1, knife bar 2, positioning screw 3 and screw fixed column 4, knife bar slot 1a and placing groove 1b is offered on the axial direction of the handle 1, the knife bar 2 is plugged in knife bar slot 1a, And be slidably connected with knife bar slot 1a, knife bar 2 need to only move up and down in knife bar slot 1a, pacify without reversed grafting is extracted to knife bar 2 Dress is convenient for the switching of cutter head, one end of the knife bar 2 is manifold bar 2a, and head is manifold, and the other end is cross head rod 2b, head are crosshead, first two cutter head of manifold, cross can meet the slotted head screw of orthopaedics, cruciform slot screw, open up Wide use scope, the knife bar 2 offer knife bar thread groove 2c in the radial direction, and the handle 1 is opened in the radial direction Equipped with thread groove 1c, one end of the positioning screw 3 is located in thread groove 1c, and mating with knife bar thread groove 2c activities, Position can be carried out by positioning screw 3 and thread groove 1c, the linkage of knife bar thread groove 2c screw threads to knife bar 2 to fix, to convenient Manifold bar 2a, cross head rod 2b are switched over, realize the transformation of a word cutter head and cross cutter head, doctor is facilitated to fasten or take Go out orthopaedic screw, the other end of the positioning screw 3 is polygon, is vertically installed in the screw fixed column 4 and polygon Compatible sleeve 4a, 4 activity of screw fixed column are plugged in placing groove 1b, and end is exposed stretches out in placing groove 1b, It is rotated using screw fixed column 4,3 end of positioning screw is screwed into or is back-outed knife bar thread groove 2c by sleeve 4a, is realized to knife Bar 2 is fixed, and replaces manifold, crosshead to realize, practicality finishes, screw fixed column 4 is accommodated in placing groove 1b, is not accounted for Space, space are utilized effectively, and easy to carry.
The knife bar 2 in flat, the manifold bar 2a, cross head rod 2b head diameter slightly larger than 2 middle part of knife bar Diameter, the knife bar slot 1a are located at the center of 1 axial direction of handle, and its shape and 2 shape adaptation of knife bar, and knife bar 2 is flat It is flat-shaped, such as ellipse, it can ensure that knife bar 2 does not rotate in knife bar slot 1a in this way, first, not influencing doctor uses the spiral shell Silk knife can make knife bar screw thread second is that can ensure that knife bar 2 moves up and down knife bar thread groove 2c in knife bar slot 1a and dystopy does not occur Slot 2c and thread groove 1c is in coaxial state, is convenient for the disengaging of positioning screw 3, due to the head of manifold bar 2a, cross head rod 2b Portion's diameter is slightly larger than 2 mid diameter of knife bar, is 1.1 times of 2 middle part maximum gauge of knife bar, can avoid knife bar 2 in this way from knife bar slot It fully slides out and in 1a, play position-limiting action, as shown in Figure 3,4.
The quantity of the knife bar thread groove 2c is three groups, is located on manifold bar 2a, cross head rod 2b and is in The middle part of knife bar 2, head distances and thread groove 1c of the knife bar thread groove 2c to corresponding manifold bar 2a, cross head rod 2b Identical to 1 two threshold values of handle, can making the screwdriver in this way, there are three types of working conditions:First, manifold bar 2a stretches completely Go out, cross head rod 2b is completely in knife bar slot 1a and is operated to slotted head screw convenient for doctor, second is that cross head rod 2b is complete Complete to stretch out, manifold bar 2a is completely in knife bar slot 1a and is operated to cruciform slot screw convenient for doctor, above two work State meets the opened deeper situation of wound, third, manifold bar 2a, cross head rod 2b all in knife bar slot 1a outside, two A cutter head is equal to 1 threshold value of handle, and situation meets the moderate situation of opened wound so that it is convenient to doctor couple in this The orthopaedic screw of patient's implantation operates, and the third working condition can be kept after operation, the entire screw Knife does not account for the preservation and transport convenient for it in larger place and space.
One end of the screw fixed column 4 is equipped with permanent magnetic iron block I, and the bottom in the placing groove 1b is equipped with and permanent magnetism The permanent magnetic iron block II of I attracting cooperation of iron block, after screw fixed column 4 is accommodated in placing groove 1b, due to permanent magnetic iron block I and permanent magnetism II attracting cooperation of iron block, can voluntarily fall off to avoid it out of placing groove 1b, and only when in use, doctor's finger slightly firmly pinches It could extract.
Open-ended diameter opposite with knife bar slot 1a the thread groove 1c is slightly larger than the outer diameter of sleeve 4a, the positioning spiral shell The length of nail 3 is equal with the sum of thread groove 1c and knife bar thread groove 2c, ensures to rotate using screw fixed column 4, sleeve 4a can Positioning screw 3 to be screwed into from thread groove 1c in knife bar thread groove 2c completely, you can realization positions knife bar 2, and not It interferes and is used when doctor holds handle 1.
The present invention makes manifold bar 2a, cross head rod 2b in use, knife bar 2 can be fixed by positioning screw 3 In it is required be position, facilitate the orthopaedic screw that the wound depth situation that doctor is opened according to patient is implanted into patient to grasp Make, need not remove reversed installation when carrying out manifold, crosshead being replaced, only need to move knife bar 2 and be fixed by positioning screw 3 , the difficulty for greatly reducing installation, removing, and do not have to concern the cutter head of 2 bands of knife bar completely at the time of surgery, i.e.,:One Prefix, crosshead can overcome the internal force generated when different orthopaedic screw implantation, place should after use there is a situation where falling Screwdriver storage is space-saving, convenient for preserving and carrying.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (5)

1. a kind of bone surgery double end switches screwdriver, including handle (1), knife bar (2), positioning screw (3) and screw are consolidated Fixed column (4), it is characterised in that:Knife bar slot (1a) and placing groove (1b), institute are offered on the axial direction of the handle (1) It states knife bar (2) to be plugged in knife bar slot (1a), and is slidably connected with knife bar slot (1a), one end of the knife bar (2) is manifold Bar (2a), the other end are cross head rod (2b), and the knife bar (2) offers knife bar thread groove (2c) in the radial direction, described Handle (1) offers thread groove (1c) in the radial direction, and one end of the positioning screw (3) is located in thread groove (1c), and Mating with knife bar thread groove (2c) activity, the other end of the positioning screw (3) is polygon, the screw fixed column (4) sleeve (4a) compatible with polygon is vertically installed on, screw fixed column (4) activity is plugged on placing groove (1b) It is interior, and end is exposed stretches out in placing groove (1b).
2. a kind of bone surgery according to claim 1 switches screwdriver with double end, it is characterised in that:The knife bar (2) In flat, the manifold bar (2a), cross head rod (2b) head diameter be slightly larger than knife bar (2) mid diameter, the knife Bar slot (1a) is located at the center of handle (1) axial direction, and its shape and knife bar (2) shape adaptation.
3. a kind of bone surgery according to claim 1 switches screwdriver with double end, it is characterised in that:The knife bar screw thread The quantity of slot (2c) is three groups, is located at manifold bar (2a), on cross head rod (2b) and the middle part in knife bar (2), The knife bar thread groove (2c) is in one's hands to corresponding manifold bar (2a), the head distance of cross head rod (2b) and thread groove (1c) (1) two threshold value of handle is identical.
4. a kind of bone surgery according to claim 1 switches screwdriver with double end, it is characterised in that:The screw is fixed One end of column (4) is equipped with permanent magnetic iron block I, and the bottom in the placing groove (1b) is equipped with and I attracting cooperation of permanent magnetic iron block Permanent magnetic iron block II.
5. a kind of bone surgery according to claim 1 switches screwdriver with double end, it is characterised in that:The thread groove (1c) is slightly larger than the outer diameter of sleeve (4a), the length of the positioning screw (3) with the opposite open-ended diameter of knife bar slot (1a) It is equal with the sum of thread groove (1c) and knife bar thread groove (2c).
CN201810777612.XA 2018-07-16 2018-07-16 A kind of bone surgery double end switching screwdriver Pending CN108742824A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810777612.XA CN108742824A (en) 2018-07-16 2018-07-16 A kind of bone surgery double end switching screwdriver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810777612.XA CN108742824A (en) 2018-07-16 2018-07-16 A kind of bone surgery double end switching screwdriver

Publications (1)

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CN108742824A true CN108742824A (en) 2018-11-06

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Country Status (1)

Country Link
CN (1) CN108742824A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109276307A (en) * 2018-12-04 2019-01-29 吴峣 A kind of neck pedicle of vertebral arch broken nail withdrawing device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149777A2 (en) * 1983-12-23 1985-07-31 Firma Robert Schröder Screwing-drilling device
CN2102827U (en) * 1991-10-17 1992-04-29 陈耀 Screwdriver
CN2191749Y (en) * 1994-02-06 1995-03-15 魏永强 Multifunctional screwdriver
JP2001225277A (en) * 2000-02-16 2001-08-21 Funai Electric Co Ltd Plus-minus integral driver
CN202271316U (en) * 2011-06-22 2012-06-13 天津津亚电子有限公司 Automatic screw fixation machine
CN202438956U (en) * 2012-02-22 2012-09-19 邱锦辉 Portable screwdriver
CN102950559A (en) * 2012-11-19 2013-03-06 无锡商业职业技术学院 Screwdriver
CN202825754U (en) * 2012-09-18 2013-03-27 昆山尚达智机械有限公司 Multifunctional hardware tool
CN103770090A (en) * 2012-10-25 2014-05-07 苏州宝时得电动工具有限公司 Storage clamp for storing work heads and handheld tool using same
CN203696860U (en) * 2014-02-20 2014-07-09 慈溪市嘉铭五金配件有限公司 Detachable torque spanner
CN204308856U (en) * 2014-11-20 2015-05-06 林群富 The adjustable T-shaped antioverloading screwdriver of a kind of folding type load
CN204366835U (en) * 2014-12-13 2015-06-03 林群富 The adjustable antioverloading screwdriver of a kind of load
CN204450362U (en) * 2015-02-02 2015-07-08 南华大学 Dual-head screwdriver
CN204893790U (en) * 2015-07-24 2015-12-23 宋国丰 Lighting screwdriver
CN106625366A (en) * 2016-11-29 2017-05-10 洛阳博智自动控制技术有限公司 Double-head large-torque screwdriver

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0149777A2 (en) * 1983-12-23 1985-07-31 Firma Robert Schröder Screwing-drilling device
CN2102827U (en) * 1991-10-17 1992-04-29 陈耀 Screwdriver
CN2191749Y (en) * 1994-02-06 1995-03-15 魏永强 Multifunctional screwdriver
JP2001225277A (en) * 2000-02-16 2001-08-21 Funai Electric Co Ltd Plus-minus integral driver
CN202271316U (en) * 2011-06-22 2012-06-13 天津津亚电子有限公司 Automatic screw fixation machine
CN202438956U (en) * 2012-02-22 2012-09-19 邱锦辉 Portable screwdriver
CN202825754U (en) * 2012-09-18 2013-03-27 昆山尚达智机械有限公司 Multifunctional hardware tool
CN103770090A (en) * 2012-10-25 2014-05-07 苏州宝时得电动工具有限公司 Storage clamp for storing work heads and handheld tool using same
CN102950559A (en) * 2012-11-19 2013-03-06 无锡商业职业技术学院 Screwdriver
CN203696860U (en) * 2014-02-20 2014-07-09 慈溪市嘉铭五金配件有限公司 Detachable torque spanner
CN204308856U (en) * 2014-11-20 2015-05-06 林群富 The adjustable T-shaped antioverloading screwdriver of a kind of folding type load
CN204366835U (en) * 2014-12-13 2015-06-03 林群富 The adjustable antioverloading screwdriver of a kind of load
CN204450362U (en) * 2015-02-02 2015-07-08 南华大学 Dual-head screwdriver
CN204893790U (en) * 2015-07-24 2015-12-23 宋国丰 Lighting screwdriver
CN106625366A (en) * 2016-11-29 2017-05-10 洛阳博智自动控制技术有限公司 Double-head large-torque screwdriver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109276307A (en) * 2018-12-04 2019-01-29 吴峣 A kind of neck pedicle of vertebral arch broken nail withdrawing device

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