CN209253028U

CN209253028U - A kind of electric bone biting forceps

Info

Publication number: CN209253028U
Application number: CN201821139227.4U
Authority: CN
Inventors: 覃进波
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2019-08-16
Anticipated expiration: 2028-07-18

Abstract

The utility model discloses a kind of electric bone biting forceps, including upper pincers, lower pincers and return elastic slice；The upper pincers and lower pincers are hinged together by shaft；The binding clip part interior of the upper pincers is cavity, and is equipped with groove；It is equipped with mill bone wheel in the groove；Power mechanism is equipped in the cavity；The groove connects cavity；The mill bone wheel connects power mechanism；The clamp handle of the lower pincers is equipped with rechargeable battery and control switch；The rechargeable battery, control switch and power mechanism are linked together by tiny electric wire；The return elastic slice is arranged between upper pincers and the clamp handle of lower pincers.The utility model is simple and practical in structure, electric grinding can be carried out to human body bad bone or is stung manually to remove, while overall structure is small and flexible, the position of the switch is agreed with finger position, easy to use, stings bone locality specific, the fatigue of user's arm is significantly reduced, bad bone efficiency is gone in raising.

Description

A kind of electric bone biting forceps

Technical field

The utility model belongs to technical field of medical equipment, is related to a kind of electric bone biting forceps.

Background technique

In modern orthopaedic medical treatment, it is often necessary to be cut off to the bone of human body necrosis, common tool is rongeur. Rongeur, which must have, fixes to clamp, removes downright bad bone and facilitates these three elements of operation.The nip part of traditional rongeur Position is sharp, or with zigzag, stings the position of bone by operator's naked eyes judgement and set, rongeur is firmly clamped, to bite away bad bone.For a long time Sting bone operation using traditional rongeur to be easy to keep operator's arm acid tired；Simultaneously because vision reason, operator may To stinging, the judgement that the position of bone is set is inaccurate, and the bone amount once bitten away is difficult to control, and it is excessive or not concordant etc. often to will cause wound Problem influences patient's recovery.

Also occur some electric bone biting forceps in orthopedic medical device at present, but its power section is arranged at rongeur Outside, power is connected to by transmission mechanism and stings bony site.Such electric bone biting forceps bloatedness, in actual use operation flexibly Degree shortcoming, while certain mechanical energy can be lost during transmission mechanism conducting power, influence the using effect for stinging bony site.

The Chinese utility model for now disclosing Patent No. 201520176358.X discloses a kind of mill bone forceps, including stings bone Clamp main body, the rongeur main body are made up of a pair the hinged tong arm of shaft, pass through emery wheel branch at the middle part of rongeur Strut is equipped with emery wheel in the end of emery wheel support rod, and drives emery wheel rotation by motor.This passes through electronic side using novel Formula is ground skeleton, although alleviating the fatigue of user to a certain extent；But its structure is complex, makes to sting The volume of bone forceps increases, and is not easy to flexible operating；Simultaneously multi-part be driven by way of drive emery wheel rotation, also have lost compared with More mechanical energy make emery wheel revolving speed be lower；And its splenial bone position is tapering, and splenial bone is ineffective.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of electric bone biting forceps, the electric bone biting forceps are using electricity Machine and mill bone wheel are placed in the method inside jaw, reduce the volume of electric bone biting forceps, make to operate more flexible；When in use only Bone amount need to be set and be ground according to the mill position of bone, mill bone behaviour is carried out by mill position of bone tagging, control switch and the control of pull switch one hand Make, it is easy to use, bone locality specific is stung, the fatigue of user's arm is significantly reduced.

The utility model is achieved by the following technical programs.

A kind of electric bone biting forceps, including upper pincers, lower pincers and return elastic slice；The upper pincers and lower pincers pass through shaft cross-articulation Together；The binding clip part interior of the upper pincers is cavity, and is equipped with groove；It is equipped with mill bone wheel in the groove；Described Power mechanism is equipped in cavity；The groove connects cavity；The mill bone wheel connects power mechanism；It is set in the clamp handle of the lower pincers There are rechargeable battery and control switch；The rechargeable battery, control switch and power mechanism are linked together by tiny electric wire； The return elastic slice is arranged between upper pincers and the clamp handle of lower pincers.

As further technological improvement, above-described power mechanism includes micromotor, spring I, mandril, tip-cambered Bar and spring II；The clamp handle position of the upper pincers is equipped with escape groove；The rotor connection mill bone wheel of the micromotor；The top The tail portion of micromotor is arranged in bar；One end of the cambered surface mandril is arc-shaped, and withstands the mandril, and the other end is described Bending extends in upper pincers, stretches out from the escape groove；One end of the spring I and spring II is each attached to the sky inside pincers On chamber, the other end is connected in respectively on micromotor and cambered surface mandril.

As further technological improvement, charging jack is additionally provided on above-described lower pincers；The charging jack is inserted for USB Degree of lip-rounding formula；The rechargeable battery is lithium battery；Zigzag texture is equipped at the jaw position of the upper pincers and lower pincers.

As further technological improvement, mill position of bone tagging is provided on above-described upper pincers；The mill position of bone is set Label is corresponding with the mill position of bone wheel.

As further technological improvement, above-described cambered surface mandril is round and smooth at the position formation edge for stretching out escape groove Pull switch；The pull switch and control switch are separately positioned on the crooked position in the middle part of pincers and lower pincers clamp handle, with people Index finger and thumb position when holding pincers correspond to.

As further technological improvement, above-described control switch can be divided into three gears, from slowly to controlling respectively fastly The revolving speed of the micromotor.

As further technological improvement, above-described return elastic slice is two intersection sockets and the arc with flexible Piece；Clamping maximum value between the return elastic slice is 140 °；Opening maximum angle between the upper pincers and lower pincers is 60 °.

As further technological improvement, tiny electric wire described above and each power lug for connecting circuit are done Waterproof sealing processing；Each component is all made of stainless steel and is made in device.

As further technological improvement, micromotor described above is Orthopedic medical brush direct current motor, and most low gear turns Speed is 800r/min, and top gear revolving speed is 1200r/min.

The utility model has the beneficial effects that:

1, the utility model uses motor collocation mill bone wheel, and the sharp zigzag texture of cooperation jaw, clamping is firm, Electronic mill bone can be achieved and sting two kinds of modes of operation of bone manually, alleviate the fatigue of operator's arm.

2, the mill bone wheel in the utility model and the power mechanism for driving mill bone wheel to rotate are arranged inside jaw, are used When pass through again pull switch will grind bone wheel release mill bone, reduce the volume and weight of electric bone biting forceps equipment, be allowed to use Flexibly and easily, mill bone wheel speed is high, and mill bone effect is good.

3, the mill bone amount of the utility model can be adjusted easily, avoid the problems such as wound is excessive or not concordant appearance.

4, the mill position of bone tagging of the utility model is simple and clear, makes the more accurate mill bone of user and sting the position of bone to set.

5, the utility model is simple and practical in structure, electric grinding can be carried out to human body bad bone or is stung manually to remove, Simultaneous Switching Position is agreed with finger position, easy to use, stings bone locality specific, is significantly reduced the fatigue of user's arm, is mentioned Height goes bad bone efficiency.

Detailed description of the invention

Fig. 1 is the overall schematic of the utility model；

Fig. 2 is the sectional view of upper pincers；

Fig. 3 is the sectional view of lower pincers；

In figure: pincers, 3- return elastic slice, 4- grind bone wheel, 5- micromotor, 6- spring I, 7- mandril, 8- under pincers, 2- on 1- Cambered surface mandril, 9- escape groove, 10- spring II, 11- mill position of bone tagging, 12- rechargeable battery, 13- control switch, 14- charging are inserted Mouth, 15- pull switch.

Specific embodiment

Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.

As shown in Figure 1-3, a kind of electric bone biting forceps, including upper pincers 1, lower pincers 2 and return elastic slice 3；The upper pincers 1 and lower pincers 2 are hinged together by shaft；The binding clip part interior of the upper pincers 1 is cavity, and is equipped with groove；In the groove Equipped with mill bone wheel 4；Power mechanism is equipped in the cavity；The groove connects cavity；The mill bone wheel 4 connects engine Structure；The clamp handle of the lower pincers 2 is equipped with rechargeable battery 12 and control switch 13；The rechargeable battery 12, control switch 13 and dynamic Force mechanisms are linked together by tiny electric wire；The return elastic slice 3 is arranged between the clamp handle of upper pincers 1 and lower pincers 2.Institute The power mechanism stated includes micromotor 5, spring I 6, mandril 7, cambered surface mandril 8 and spring II 10；The clamp handle portion of the upper pincers 1 Position is equipped with escape groove 9；The rotor connection mill bone wheel 4 of the micromotor 5；The tail portion of micromotor 5 is arranged in the mandril 7； One end of the cambered surface mandril 8 is arc-shaped, and withstands the mandril 7, and the other end is bent in the upper pincers 1 to be extended, from institute It states and is stretched out in escape groove 9；One end of the spring I 6 and spring II 10 is each attached on the cavity inside pincers 1, the other end point It is not connected on micromotor 5 and cambered surface mandril 8.Charging jack 14 is additionally provided on the lower pincers 2；The charging jack 14 is USB jack form；The rechargeable battery 12 is lithium battery；It is equipped at the jaw position of the upper pincers 1 and lower pincers 2 sharp Zigzag texture.Mill position of bone tagging 11 is provided on the upper pincers 1；The mill position of bone tagging 11 and mill bone wheel 4 Position is corresponding.The cambered surface mandril 8 forms the round and smooth pull switch 15 in edge at the position for stretching out escape groove 9；The promotion Switch 15 and control switch 13 are separately positioned on pincers 1 on the crooked position in the middle part of 2 clamp handles of lower pincers, and food when pincers is held with manpower Refer to corresponding with thumb position.The control switch can be divided into three gears, from slowly to controlling the micromotor respectively fastly Revolving speed；The micromotor is Orthopedic medical brush direct current motor, and the revolving speed of most low gear is 800r/min, and top gear revolving speed is 1200r/min.The return elastic slice 3 is two intersection sockets and the arc-like sheet with flexible；Between the return elastic slice 3 Clamping maximum value is 140 °；Opening maximum angle between the upper pincers 1 and lower pincers 2 is 60 °.For connecting the described thin of circuit Waterproof sealing processing is done in small electric wire and each power lug；Each component is all made of stainless steel and is made in device.

In use, first the electric bone biting forceps are clipped on bad bone, bone is stung to manpower, then can clamp rongeur, use jaw The sharp zigzag texture at position bites away bad bone；It needs for the mill position of bone tagging 11 to be aligned to use electronic mill bone bad Bone, as needed, thumb select the suitable revolving speed gear of micromotor 5 by the control switch 13；Index finger slowly pushes institute State pull switch 15；The cambered surface mandril 8 will push micromotor 5 to move down by mandril 7 at this time, until the mill bone wheel 4 touch on the bad bone for needing to abrade；Unclamping the pull switch 15, then cambered surface mandril 8 is retracted original position by the spring II 10, The spring I 6 pulls up micromotor 5 simultaneously, and the mill bone wheel 4 leaves bad bone；Hand is unclamped, then the return elastic slice 31 Upper pincers 1 and lower pincers 2 are bounce back into maximum opening state.The control switch from one gear to three gear access circuits resistance value according to Secondary reduction makes to increase by the electric current of the micromotor by gear, to control the revolving speed of the micromotor；The micro electric Machine is Permanent magnet DC coreless cup motor, breaches traditional rotor structure, using coreless armature, is completely eliminated because iron core produces Raw vortex and caused by iron loss, while its weight and transmission inertia are greatly reduced, suitable for small-sized medical instruments such as bone drills.

Claims

1. a kind of electric bone biting forceps, it is characterised in that: including upper pincers (1), lower pincers (2) and return elastic slice (3)；The upper pincers (1) And lower pincers (2) are hinged together by shaft；The binding clip part interior of the upper pincers (1) is cavity, and is equipped with groove；? Mill bone wheel (4) is equipped in the groove；Power mechanism is equipped in the cavity；The groove connects cavity；The mill bone wheel (4) power mechanism is connected；The clamp handle of the lower pincers (2) is equipped with rechargeable battery (12) and control switch (13)；The charging electricity Pond (12), control switch (13) and power mechanism are linked together by tiny electric wire；The return elastic slice (3) is arranged upper Between the clamp handle for clamping (1) and lower pincers (2).

2. a kind of electric bone biting forceps as described in claim 1, it is characterised in that: the power mechanism includes micromotor (5), spring I (6), mandril (7), cambered surface mandril (8) and spring II (10)；The clamp handle position of the upper pincers (1) is equipped with escape groove (9)；Rotor connection mill bone wheel (4) of the micromotor (5)；Tail portion of mandril (7) setting in micromotor (5)；Institute The one end for stating cambered surface mandril (8) is arc-shaped, and withstands the mandril (7), and other end bending in the upper pincers (1) extends, It is stretched out from the escape groove (9)；One end of the spring I (6) and spring II (10) is each attached to the internal cavity of pincers (1) On, the other end is connected in respectively on micromotor (5) and cambered surface mandril (8).

3. a kind of electric bone biting forceps as described in claim 1, it is characterised in that: be additionally provided with charging on the lower pincers (2) and insert Mouth (14)；The charging jack (14) is USB jack form；The rechargeable battery (12) is lithium battery；In the upper pincers (1) and The jaw position of lower pincers (2) is equipped with sharp zigzag texture.

4. a kind of electric bone biting forceps as claimed in claim 2, it is characterised in that: be provided with mill bone on the upper pincers (1) Position mark (11)；Mill position of bone tagging (11) is corresponding with the mill position of bone wheel (4).

5. a kind of electric bone biting forceps as claimed in claim 2, it is characterised in that: the cambered surface mandril (8) is stretching out evacuation The position of slot (9) forms the round and smooth pull switch (15) in edge；The pull switch (15) is respectively set with control switch (13) On the crooked position in the middle part of upper pincers (1) and lower pincers (2) clamp handle, the index finger and thumb position when holding pincers with manpower are corresponding.

6. a kind of electric bone biting forceps as claimed in claim 5, it is characterised in that: the control switch (13) can be divided into three Gear, from slowly to the revolving speed for controlling the micromotor (5) respectively fastly.

7. a kind of electric bone biting forceps as described in claim 1, it is characterised in that: the return elastic slice (3) is two intersections Socket and the arc-like sheet with flexible；Clamping maximum value between the return elastic slice (3) is 140 °；The upper pincers (1) and under Clamping the opening maximum angle between (2) is 60 °.

8. a kind of electric bone biting forceps as described in claim 1, it is characterised in that: for connecting the tiny electric wire of circuit And waterproof sealing processing is done in each power lug；Each component is all made of stainless steel and is made in device.

9. a kind of electric bone biting forceps as claimed in claim 2, it is characterised in that: the micromotor (5) is that Orthopedic medical is straight Brush motor is flowed, the revolving speed of deep low gear is 800r/min, and most high-grade revolving speed is 1200r/min.