CN204484288U - A kind of medical guider and guidance system - Google Patents

A kind of medical guider and guidance system Download PDF

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Publication number
CN204484288U
CN204484288U CN201520006543.4U CN201520006543U CN204484288U CN 204484288 U CN204484288 U CN 204484288U CN 201520006543 U CN201520006543 U CN 201520006543U CN 204484288 U CN204484288 U CN 204484288U
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CN
China
Prior art keywords
sleeve
sleeve part
locking mechanism
medical
lock lever
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.)
Expired - Fee Related
Application number
CN201520006543.4U
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Chinese (zh)
Inventor
曾红刚
徐喜梅
罗燃杰
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.)
Shanghai Microport Orthopedics Co Ltd
Original Assignee
Shanghai Microport Orthopedics Co Ltd
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
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Priority to CN201520006543.4U priority Critical patent/CN204484288U/en
Application granted granted Critical
Publication of CN204484288U publication Critical patent/CN204484288U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of medical guider and guidance system, described pilot sleeve device comprises sleeve and the first locking mechanism; Sleeve comprises the first connected successively sleeve part, the second sleeve part and the 3rd sleeve part, the centerline axis parallel of the central axis of the 3rd sleeve part and described first sleeve part and described second sleeve part but not overlapping, and the diameter of the 3rd sleeve part is less than the diameter of the first sleeve part and the second sleeve part; Described first locking mechanism is arranged on described second sleeve part.This utility model is while the operation realizing Micro trauma gets involved and can meet the demand of different fixed form.

Description

A kind of medical guider and guidance system
Technical field
This utility model relates to orthopaedic medical treatment technical field, particularly relates to a kind of medical guider and guidance system.
Background technology
The usual employing metal bone fracture plate of fracture is used for the treatment of in the market to reinforce the injury of the bone in minimally invasive surgery, blade plate is provided with nail, hold-down screw screws in the injury of the bone through nail, blade plate and the injury of the bone are fixed together, prevent injury of the bone stress deformation, meanwhile, hold-down screw tail cap thread and blade plate nail taper thread screw, and reach the object of locking.Usually need to use pilot sleeve device in blade plate and the process that is fixedly connected with of the injury of the bone, current pilot sleeve device is mainly not with eccentric, and namely only have a kind of function, concrete structure refers to Fig. 1, comprise sleeve 1, handle 2 and lock-screw 3, by lock-screw 3 fixed muffle 1.This kind of sleeve 1 is only applicable to the location of single hole 11 on lockplate 10, as shown in Figure 2, cannot be used for the location of combination bore, the locking of sleeve 1 fixes by the side direction of lock-screw 3, has following shortcoming: 1, need to increase part lock screw 3 and needs are manually tightened separately; 2, lock-screw 3 can leave impression on sleeve; 3, speed of tightening is rotated slower; 4, because locking is that side direction is tightened, to thicken so the thickness of part handle 2 is compared.
Utility model content
Technical problem to be solved in the utility model is to provide one for medical guider and guidance system, can be positioned by rotary guiding device to two positions, and apparatus, with auto-lock function, handled easily uses.
The medical guider that the utility model proposes comprises sleeve and the first locking mechanism; Described sleeve comprises the first connected successively sleeve part, the second sleeve part and the 3rd sleeve part, the centerline axis parallel of the central axis of described 3rd sleeve part and described first sleeve part and described second sleeve part but not overlapping, and the diameter of described 3rd sleeve part is less than the diameter of described first sleeve part and described second sleeve part; Described first locking mechanism is arranged on described second sleeve part.
In preferred embodiment of the present utility model, described medical guider also comprises sleeve handle, described first locking mechanism comprises check lock lever, the first end of described check lock lever is fixed on the outer surface of described second sleeve part, second end of described check lock lever is connected with described sleeve handle, described check lock lever also has bending part, between the described first end and described second end of described check lock lever.
Further, described check lock lever is by being fixedly welded on described sleeve and described sleeve handle.
Further, the first locking mechanism comprises a pair check lock lever, and described sleeve handle comprises a pair handle, and described check lock lever and described handle are arranged at the both sides of described sleeve respectively symmetrically, and described handle is connected with described sleeve by described check lock lever.
Further, described first locking mechanism is the first groove or first protruding, and described first groove or the first projection are along the outside being axially disposed within described eccentric adjusting sleeve of described eccentric adjusting sleeve.
Further, the diameter of described first sleeve part, described second sleeve part and described 3rd sleeve part reduces successively.
Further, described sleeve has through hole, described through hole has the first diameter and Second bobbin diameter, at the described through hole at described first sleeve part place, there is the first diameter, have Second bobbin diameter at the described through hole of the second sleeve part and the 3rd sleeve part office, described first diameter is greater than described Second bobbin diameter.
The medical guidance system that the utility model proposes, comprises pilot sleeve device as above, caster assembly therefor, lockplate and connecting rod; The second locking mechanism that described caster assembly therefor has fixing hole and matches with described first locking mechanism, described lockplate has the combination bore be made up of lock hole and pressurization hole; Described pilot sleeve device is used for successively through the fixing hole of caster assembly therefor and the combination bore of lockplate, and fixed by the first latch-up structure and the second latch-up structure and caster assembly therefor, one end of described connecting rod is connected with caster assembly therefor, the other end of described connecting rod is connected with described lockplate, and the described fixing hole on described caster assembly therefor is corresponding with described combination bore.
Further, described second locking mechanism is groove, and described groove arranges with the outside of described fixing hole and is connected with described fixing hole.
Further, described groove is semi-circular recesses, and the quantity of described groove is two, arranges and described fixing hole both sides symmetrically.
This utility model contrast prior art has following beneficial effect: the medical guider that this utility model provides and guidance system, be mainly used in minimally invasive surgery when treatment is fractured to use, described guider is by arranging eccentric adjusting sleeve, and the locking mechanism arranging on eccentric adjusting sleeve and match in caster assembly therefor through hole, during use, manually eccentric adjusting sleeve device is loaded in guide hand delthyrium, adjust placement direction, insert eccentric adjusting sleeve device, after unclamping sleeve handle, the locking mechanism of eccentric adjusting sleeve device can play a self-locking and directed effect; Pilot sleeve device, by rotating the location that can realize two positions, therefore, can meet the requirement of locking compress combination bore design in lockplate, can meet the demand of different fixed form while the operation realizing Micro trauma gets involved.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing pilot sleeve;
Fig. 2 is the structural representation of existing lockplate;
Fig. 3 is the structural representation for the pilot sleeve device of fixation bone fracture plate in this utility model embodiment;
Fig. 4 be pilot sleeve device in Fig. 3 along A to side view;
Fig. 5 is the structural representation for the caster assembly therefor of fixation bone fracture plate in this utility model embodiment;
Fig. 6 is the generalized section for the pilot sleeve device of fixation bone fracture plate in this utility model embodiment;
Fig. 7 is the structural representation of lockplate in this utility model embodiment;
Fig. 8 is humerus blade plate fixed guide fixed system structural representation in this utility model embodiment.
In figure:
1 sleeve 2 handle 3 lock-screw 4 pilot sleeve device 5 caster assembly therefor
6 eccentric adjusting sleeve 7 check lock lever 8 sleeve handle 9 lockplates
10 lockplate 11 single hole 51 fixing hole 52 grooves
61 first sleeve part, sleeve part 63 the 3rd, sleeve parts 62 second
81 handle 64 through holes
83 arc groove 91 combination bore 92 lock holes 93 pressurize hole
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model will be further described.
Fig. 3 and Fig. 4 is the structural representation of the medical pilot sleeve device in this utility model embodiment.
Refer to Fig. 3 and Fig. 4, preferred embodiment of the present utility model provides a kind of for medical guider, and comprise eccentric adjusting sleeve 6 and sleeve handle 8, sleeve handle 8 is arranged on an end of eccentric adjusting sleeve 6, and the arranged outside of eccentric adjusting sleeve 6 has the first locking mechanism.In the present embodiment, it is one-body molded that eccentric adjusting sleeve 6 comprises the first sleeve part 62, sleeve part 61, second of different-diameter, the 3rd sleeve part 63, sleeve part 62 the 3rd, sleeve part 61, second, sleeve part 63, first.Sleeve handle 8 comprises a pair handle 81, and handle 81 is arranged on the both sides of the first sleeve part 61 symmetrically.
First locking mechanism is preferably the check lock lever 7 of a pair symmetry, the first end of check lock lever 7 is fixed on the outer surface of eccentric adjusting sleeve 6 by the mode of welding, second end of check lock lever 7 is connected by the mode of welding with handle 81 respectively, thus handle 81 is connected with eccentric adjusting sleeve 6.Preferably, the bearing of trend of the first end of check lock lever 7 and the bearing of trend of the second end perpendicular, check lock lever 7 also has bending part 71, between the first end and the second end of check lock lever 7.
Fig. 5 is the structural representation for the caster assembly therefor of fixation bone fracture plate in this utility model embodiment.Refer to Fig. 5, first locking mechanism in the outside of eccentric adjusting sleeve 6 and matching of the second locking mechanism on caster assembly therefor in Fig. 55, thus the position of fixed guide sleeve arrangement.In the present embodiment, second locking mechanism is semi-circular recesses 52, semi-circular recesses 52 is arranged on the both sides of fixing hole 51 symmetrically and is connected with fixing hole 51, the bending part 71 of check lock lever 7 corresponds to the groove 52 on caster assembly therefor 5, after pilot sleeve device 4 inserts caster assembly therefor 5, check lock lever 7 bends in its natural state laterally, be resisted against on the inner surface of groove 52, produce a power laterally, the inner surface of groove 52 then applies a reciprocal compression stress to check lock lever 7, thus make handle 81 play the effect of an auto lock near the outer surface of the first sleeve part 61, position and lock is carried out after making pilot sleeve device 4 insert caster assembly therefor 5.
Please also refer to Fig. 3-Fig. 7, Fig. 6 is the generalized section for the guider of fixation bone fracture plate in this utility model embodiment, and Fig. 7 is the structural representation of lockplate in this utility model embodiment; In the present embodiment, first sleeve part 62, sleeve part 61, second of eccentric adjusting sleeve 6 and the diameter of the 3rd sleeve part 63 reduce successively, and eccentric adjusting sleeve 6 has through hole 64, according to different needs, can be shoulder hole by via design, such as, be greater than the through-hole diameter in the second sleeve part 62 and the 3rd sleeve part 63 place at the through-hole diameter at the first sleeve part 61 place.In this preferred embodiment, 3rd sleeve part 63 is biased relative to the first sleeve part 61 and the second sleeve part 62, also be, the centerline axis parallel of the central axis of the 3rd sleeve part 63 and the first sleeve part 61 and the second sleeve part 62 but not overlapping, and the central axis conllinear of the first sleeve part 61 and the second sleeve part 62.
During use, the combination bore 91 on lockplate 9 is inserted in the end of the 3rd sleeve part 63, and therefore, the outside diameter size of the 3rd sleeve part 63 can mate setting according to the size in the lock hole 92 of the combination bore 91 that lockplate is arranged and pressurization hole 93.On the other hand, refer to Fig. 6, the handle 81 of the lateral symmetry setting of eccentric adjusting sleeve 6 is with arc groove 83, and the finger being convenient to user carries out pressing operation.
Fig. 8 is humerus blade plate fixed guide fixed system structural representation in this utility model embodiment.Refer to Fig. 6 and Fig. 8, the guidance system for fixation bone fracture plate that this utility model provides, comprise pilot sleeve device 4, caster assembly therefor 5, lockplate 9 and connecting rod 10.Pilot sleeve device 4 is successively through caster assembly therefor 5 and lockplate 9, and fixed by the first latch-up structure and the second latch-up structure and caster assembly therefor 5, connecting rod 10 is roughly in J type, its one end is connected with caster assembly therefor 5, the other end is connected with lockplate 9, thus makes the relative position of caster assembly therefor 5 and lockplate 9 keep immobilizing.Fixing hole 51 on caster assembly therefor 5 is corresponding with combination bore 91.
Described first locking mechanism and the second locking mechanism can have multiple matching structure, and as aforementioned, the first locking mechanism is preferably check lock lever 7, and the second locking mechanism is the groove 52 matched with check lock lever 7.In other embodiments, the first latch-up structure and the second latch-up structure also can adopt other multiple fit structures, as: the first locking mechanism is the first protruding (not shown), and the second locking mechanism is the slotted eye matched with described first projection; First locking mechanism is the first groove (not shown), and the second locking mechanism can be protruding with second of described first groove match, and described first groove or the first projection are along the outside being axially disposed within eccentric adjusting sleeve 6 of eccentric adjusting sleeve 6; And described first locking mechanism and the second locking mechanism are the buckle structure etc. of coupling mutually, if the first locking mechanism and the second locking mechanism on caster assembly therefor 5 carry out mating positioning and locking just can, this is no longer going to repeat them.
Refer to Fig. 7 and Fig. 8, the concrete occupation mode of above-mentioned guidance system is described for proximal humerus blade plate fixed guide fixed system below, lockplate 9 is provided with multiple combination bore 91, combination bore 91 is combined into figure of eight hole by lock hole 92 and pressurization hole 93, fixing hole 51 on caster assembly therefor 5 corresponds to the combination bore 91 on proximal humerus lockplate 9, pilot sleeve device 4 loads in the fixing hole 51 of caster assembly therefor 5, can select to correspond to the lock hole 92 on lockplate 9 or pressurization hole 93 by the rotations of 180 degree, the demand of different fixed form is met under Minimally Invasive Surgery environment.
To sum up, the guider that this utility model provides is by arranging eccentric adjusting sleeve, and the locking mechanism arranging on eccentric adjusting sleeve and match in caster assembly therefor through hole, during use, manually eccentric adjusting sleeve device is loaded in guide hand delthyrium, adjust placement direction, insert eccentric adjusting sleeve device, after unclamping sleeve handle, the locking mechanism of eccentric adjusting sleeve device can play a self-locking and directed effect; Guider, by rotating the location that can realize two positions, therefore, can meet the requirement of locking compress combination bore design in lockplate, can meet the demand of different fixed form while the operation realizing Micro trauma gets involved.
Although this utility model discloses as above with preferred embodiment; so itself and be not used to limit this utility model; any those skilled in the art; not departing from spirit and scope of the present utility model; when doing a little amendment and perfect, therefore protection domain of the present utility model is when being as the criterion of defining with claims.

Claims (10)

1. a medical guider, is characterized in that, comprises sleeve and the first locking mechanism; Described sleeve comprises the first connected successively sleeve part, the second sleeve part and the 3rd sleeve part, the centerline axis parallel of the central axis of described 3rd sleeve part and described first sleeve part and described second sleeve part but not overlapping, and the diameter of described 3rd sleeve part is less than the diameter of described first sleeve part and described second sleeve part; Described first locking mechanism is arranged on described second sleeve part.
2. medical guider according to claim 1, it is characterized in that, also comprise sleeve handle, described first locking mechanism comprises check lock lever, the first end of described check lock lever is fixed on the outer surface of described second sleeve part, second end of described check lock lever is connected with described sleeve handle, and described check lock lever also has bending part, between the described first end and described second end of described check lock lever.
3. medical guider according to claim 2, is characterized in that, described check lock lever is by being fixedly welded on described sleeve and described sleeve handle.
4. medical guider according to claim 2, it is characterized in that, first locking mechanism comprises a pair check lock lever, described sleeve handle comprises a pair handle, described check lock lever and described handle are arranged at the both sides of described sleeve respectively symmetrically, and described handle is connected with described sleeve by described check lock lever.
5. medical guider according to claim 1, is characterized in that, described first locking mechanism is the first groove or first protruding, and described first groove or the first projection are along the outside being axially disposed within described sleeve of described sleeve.
6. medical guider according to claim 1, is characterized in that, the diameter of described first sleeve part, described second sleeve part and described 3rd sleeve part reduces successively.
7. medical guider according to claim 1, it is characterized in that, described sleeve has through hole, described through hole has the first diameter and Second bobbin diameter, at the described through hole at described first sleeve part place, there is the first diameter, have Second bobbin diameter at the described through hole of the second sleeve part and the 3rd sleeve part office, described first diameter is greater than described Second bobbin diameter.
8. a medical guidance system, is characterized in that, comprises pilot sleeve device, caster assembly therefor, lockplate and connecting rod as described in any one of claim 1-7; The second locking mechanism that described caster assembly therefor has fixing hole and matches with described first locking mechanism, described lockplate has the combination bore be made up of lock hole and pressurization hole; Described pilot sleeve device is used for successively through the fixing hole of caster assembly therefor and the combination bore of lockplate, and fixed by the first latch-up structure and the second latch-up structure and described caster assembly therefor, one end of described connecting rod is connected with caster assembly therefor, the other end of described connecting rod is connected with described lockplate, and the described fixing hole on described caster assembly therefor is corresponding with described combination bore.
9. medical guidance system according to claim 8, is characterized in that, described second locking mechanism is groove, and described groove is arranged at the outside of described fixing hole and is connected with described fixing hole.
10. medical guidance system according to claim 9, is characterized in that, described groove is semi-circular recesses, and the quantity of described groove is two, is arranged at described fixing hole both sides symmetrically.
CN201520006543.4U 2015-01-06 2015-01-06 A kind of medical guider and guidance system Expired - Fee Related CN204484288U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520006543.4U CN204484288U (en) 2015-01-06 2015-01-06 A kind of medical guider and guidance system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520006543.4U CN204484288U (en) 2015-01-06 2015-01-06 A kind of medical guider and guidance system

Publications (1)

Publication Number Publication Date
CN204484288U true CN204484288U (en) 2015-07-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105816236A (en) * 2015-01-06 2016-08-03 上海微创骨科医疗科技有限公司 Medical guide device and guide system
CN108742821A (en) * 2018-03-27 2018-11-06 李莉 A kind of minimally invasive plate osteosynthesis sets nail guider

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105816236A (en) * 2015-01-06 2016-08-03 上海微创骨科医疗科技有限公司 Medical guide device and guide system
CN108742821A (en) * 2018-03-27 2018-11-06 李莉 A kind of minimally invasive plate osteosynthesis sets nail guider

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150722

Termination date: 20180106

CF01 Termination of patent right due to non-payment of annual fee