CN203564307U - Labor-saving surgery rongeur - Google Patents
Labor-saving surgery rongeur Download PDFInfo
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- CN203564307U CN203564307U CN201320731171.2U CN201320731171U CN203564307U CN 203564307 U CN203564307 U CN 203564307U CN 201320731171 U CN201320731171 U CN 201320731171U CN 203564307 U CN203564307 U CN 203564307U
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- rongeur
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- arm
- pliers head
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Abstract
A labor-saving surgery rongeur comprises an occlusive rongeur head formed by connecting an upper rongeur head and a lower rongeur head in a hinged mode and a holding handle formed by connecting an upper rongeur handle and a lower rongeur handle in a hinged mode. The actuating arm section of the tail portion of the upper rongeur head is hinged to the front end of the upper rongeur handle through a hinged shaft, the actuating arm section of the tail portion of the lower rongeur head is longer than the actuating arm section of the tail portion of the upper rongeur head and extends towards the tail end freely, a plurality of teeth are arranged on the actuating arm section of the tail portion of the lower rongeur head in the extension direction to form a rack, the front end of the lower rongeur handle is provided with a rotation gear, and the rotation gear makes contact with the rack on the actuating arm section of the lower rongeur head in a meshed mode; due to the fact that the rotation gear moves towards the extension end of the actuating arm section of the lower rongeur head along the rack, the torque of the actuating arm section of the lower rongeur head is increased so as to increase the occlusive force between the occlusive surface of a nozzle of the lower rongeur head and the occlusive surface of a nozzle of the upper rongeur head. The labor-saving surgery rongeur enables an operator to hold the rongeur tightly in a more labor-saving mode, effectively avoids the phenomena that the two hands and the upper limbs of the operator are tried due to overexertion and the hands tremble, avoids accidental injury accidents, and guarantees safety of a delicate surgery operation.
Description
Technical field
This utility model relates to a kind of operating theater instruments, particularly the operation rongeur of a kind of labour-saving.
Background technology
The operating theater instruments that rongeur is a kind of neurosurgery, orthopaedics is conventional.Existing rongeur mainly contains two types, one class is that two parts of rongeur are hinged by a pin joint, the dynamics of pliers interlock depends on the size of executing patient's palm grip, distance between the two-part arm of force of pliers is less, palm is firmly just more difficult, dynamics also can reduce, and causes interlock unstable, is difficult to sting except bone.Another kind of is that the binding clip of rongeur forms by two parts are hinged, lever forms by two parts are hinged, the arm of force of two parts binding clip afterbody is corresponding hinged with the front end of two parts lever respectively, by four pin joints, form a plane mechanism, form biarticular bone cutting forceps, when this class pliers application of force is held with a firm grip, more last class is laborsaving, but owing to being subject to the restriction of four closed pin joints of plane mechanism, the arm of force length of two binding clip afterbodys is identical and shorter, interlock dynamics is limited, in when operation to thicker osteocomma, as the occipital bone thickening, parietal bone, frontal bone, and spinous process, stinging except still requiring great effort of vertebral plate etc., usually because sting except bone difficulty, make to execute patient and firmly cause for a long time both hands and upper limb fatigue, there is the phenomenon that hands is trembled.Occur that this phenomenon is very big on the impact of neurosurgery microsurgery, have a strong impact on degree of accuracy, the fineness of operation, even because of undue force or Overexertion, cause the accident of cerebral tissue, myeloid tissue and blood vessel injury to occur, affect surgical effect.Therefore, how to increase the interlock dynamics of rongeur, reduce to execute exerting oneself of patient, avoid executing patient's hands and tremble phenomenon appearance, guarantee the safety of accurate operation operation, become the research emphasis of current rongeur structure.
Summary of the invention
The purpose of this utility model is the deficiency existing for existing rongeur, and a kind of labour-saving operation rongeur that can increase rongeur interlock dynamics is provided.The afterbody arm of force section of its lower pliers head is than upper grip head afterbody arm of force segment length and caudad freely extend, in the afterbody arm of force section of lower pliers head, along bearing of trend, some teeth are set and form tooth bar, lower plier handle front end is provided with a transmitting gear, this transmitting gear contacts with the tooth bar engagement in lower pliers head arm of force section, elongated end by described transmitting gear along from tooth bar to lower pliers head arm of force section moves, increase the moment of lower pliers head arm of force section, strengthen the occlusal surface of lower pliers head mouth and the occlusal gmatjpdumamics of upper grip head mouth, can make to execute patient's rongeur of holding with a firm grip more laborsaving, effectively preventing from executing patient causes both hands and upper limb tired because of Overexertion, there is the phenomenon that hands is trembled, avoid causing accidental injury accident, the safety of accurate operation operation is guaranteed.
The purpose of this utility model is achieved in that and comprises by upper, lower pliers head is by the interlock binding clip of the hinged formation of the first hinge, by upper, lower plier handle is by the gripping handle of the hinged formation of the second hinge, on, between lower plier handle, be provided with back-moving spring, the tail end of afterbody arm of force section of described upper grip head and the front end of upper plier handle are hinged by the 3rd hinge, the afterbody arm of force section of described lower pliers head is than upper grip head afterbody arm of force segment length and caudad freely extend, in the afterbody arm of force section of lower pliers head, along bearing of trend, some teeth are set and form tooth bar, lower plier handle front end is provided with a transmitting gear, this transmitting gear contacts with the tooth bar engagement in lower pliers head arm of force section, elongated end by described transmitting gear along from tooth bar to lower pliers head arm of force section moves, increase the moment of lower pliers head arm of force section, the occlusal surface of lower pliers head mouth and the occlusal gmatjpdumamics of upper grip head mouth are strengthened.
The arm of force of described lower pliers head is provided with vertically the incised notch plane of extending, some teeth vertically spread configuration in this incised notch plane.
The axial length of described incised notch plane is 50mm at least.
Interlock face length 25～35mm, the Breadth Maximum 5mm of described upper and lower binding clip mouth.
The occlusal surface of described upper and lower binding clip mouth is respectively equipped with corresponding groove, and the groove depth of each groove is 4～6mm, the flute length 20～30mm of groove, groove width 4mm, the bite that pocket side wall end face is wide 0.5～1mm.
The occlusal corner of described upper and lower binding clip mouth is sharp keen corner angle.
The mouth of described upper and lower binding clip all bends to downward-extension, forms folding type interlock binding clip.
When the mouth of described lower pliers head and the mouth of upper grip head are closed, the minimum spacing between upper and lower clamp handle tail end is 50～60mm.
The front end of described lower plier handle is provided with opening, and transmitting gear is arranged in opening, by bearing pin, is connected with lower plier handle.
Adopt such scheme, make the utlity model has following functions and advantage:
Comprise by upper and lower binding clip by the hinged interlock binding clip forming of the first hinge, by upper and lower clamp handle by the hinged gripping handle forming of the second hinge.The tail end of afterbody arm of force section of described upper grip head and the front end of upper plier handle, by the hinged formation movable joint of the 3rd hinge, link together interlock binding clip and gripping handle, and can control by this movable joint the action of upper grip head.The afterbody arm of force section of described lower pliers head is than upper grip head afterbody arm of force segment length and caudad freely extend, in the afterbody arm of force section of lower pliers head, along bearing of trend, some teeth are set and form tooth bar, lower plier handle front end is provided with a transmitting gear, this transmitting gear contacts with the tooth bar engagement in lower pliers head arm of force section, on holding with a firm grip, lower plier handle, can make the elongated end of transmitting gear along tooth bar to lower pliers head arm of force section move, increase the moment of lower pliers head arm of force section, form the lever that moment increases, the occlusal surface of lower pliers head mouth and the occlusal gmatjpdumamics of upper grip head mouth are strengthened, its gmatjpdumamics is compared with the rongeur of existing four pin joint plane mechanisms, can make gmatjpdumamics increase 30%～40%, sting fast except thicker osteocomma, make operator complete skull and spinous process, the thicker osteocommas such as limbs epiphysis sting except time be more prone to, easily, effectively reduced the fatigue of finger and upper limb, avoided affecting accurate operation due to the finger tremor that fatigue causes, reach and execute art personnel labour-saving object.
The arm of force of described lower pliers head is provided with vertically the incised notch plane of extending, some teeth vertically spread configuration in this incised notch plane.This structure can be opened at the mouth of upper and lower binding clip, when afterbody arm of force section is drawn close in opposite directions, for transmitting gear, steps down, and reserves the footprint of transmitting gear, and the aperture that the mouth of upper and lower binding clip opens is increased.And the axial length of described incised notch plane 50mm at least can make transmitting gear have enough one-movement-freedom-degrees, guarantee that the moment of lower pliers head arm of force section can increase.
The occlusal surface of described upper and lower binding clip mouth is respectively equipped with corresponding groove, and the groove depth of each groove is 4～6mm, the flute length 20～30mm of groove, groove width 4mm, the bite that pocket side wall end face is wide 0.5～1mm.Make after the interlock of upper and lower binding clip mouth, can form the cavity volume of a long 20～30mm, wide 4mm, high 10mm left and right, in order to hold the osteocomma biting away, avoid stinging the osteocomma removing and be scattered in body.
The occlusal corner of described upper and lower binding clip mouth is sharp keen corner angle, can after stinging tightly, fast osteocomma be fractureed, and shortens operating time.
The mouth of described upper and lower binding clip all bends to downward-extension, forms folding type interlock binding clip.This folding type interlock binding clip can reduce the blocking of sight line, and is more conducive to operator's operation simultaneously.
When the mouth of described lower pliers head and the mouth of upper grip head are closed, the minimum spacing between upper and lower clamp handle tail end is 50～60mm.Convenient operation personnel's palm is used grip, comfort level when raising operator hold with a firm grip.
The front end of described lower plier handle is provided with opening, and transmitting gear is arranged in opening, by bearing pin, is connected with lower plier handle, can reduce the footprint of transmitting gear, makes the volume of rongeur remain on rational scope.
Of the present utility model simple in structure, the leverage forming by lower plier handle and lower pliers head, eliminated the situation that existing biarticular bone cutting forceps is subject to four closed pin joint restrictions of plane mechanism, the moment of lower pliers head arm of force section is increased, increase considerably rongeur interlock dynamics, sting except osteocomma lighter, easily, operator are more laborsaving, can effectively prevent that operator from the phenomenon that hands is trembled occurring because both hands are tired, avoid in neurosurgery, the occipital bone of stinging in the operation process of orthopaedics except as thickening, parietal bone, frontal bone, and spinous process, vertebral plate etc., cause cerebral tissue, the contingency of myeloid tissue and blood vessel injury occurs, improve the degree of accuracy of operation, fineness.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the part sectioned view of interlock binding clip of the present utility model;
Fig. 3 is the occlusal surface generalized section of upper and lower binding clip mouth of the present utility model.
In accompanying drawing, 1 is upper grip head, and 1a is upper grip head afterbody arm of force section, and 1b is upper grip head mouth, 2 is lower pliers head, and 2a is lower pliers head afterbody arm of force section, and 2b is lower pliers head mouth, and 3 is upper plier handle, 4 is lower plier handle, and 5 is back-moving spring, and 6 is tooth bar, 7 is transmitting gear, and 8 is incised notch plane, and 9 is occlusal surface, 9a is sharp keen corner angle, and 10 is groove, and 11 is the first hinge, 12 is the second hinge, and 13 is the 3rd hinge, and 14 is bearing pin.
The specific embodiment
Referring to Fig. 1 to Fig. 3, a kind of embodiment of labour-saving operation rongeur, comprise by upper grip head 1, lower pliers head 2 is by the interlock binding clip of the first hinge 11 hinged formations, by upper plier handle 3, lower plier handle 4 is by the gripping handle of the second hinge 12 hinged formations, upper plier handle 3, between lower plier handle 4, be provided with back-moving spring 5, described back-moving spring 5 adopts spring leaf, upper plier handle 3, a spring leaf is respectively installed on lower plier handle 4, the stiff end of two spring leafs is fixed by screw and clamp handle respectively, the free end intersection clamping of two spring leafs, by the elasticity tension of spring leaf, can loosen upper plier handle 3, after the grip of lower plier handle 4, make, lower plier handle opens, certainly in the situation that not affecting upper and lower clamp handle and holding with a firm grip, the back-moving spring between upper plier handle 3, lower plier handle 4 also can adopt Compress Spring.The tail end of described upper grip head afterbody arm of force section 1a and the front end of upper plier handle 3 are hinged by the 3rd hinge 13, form movable joint, interlock binding clip and gripping handle are linked together, and can control by this movable joint the action of upper grip head 1.Described lower pliers head afterbody arm of force section 2a is longer and caudad freely extend than upper grip head afterbody arm of force section 1a, the afterbody arm of force section 2a of lower pliers head 2 above arranges some teeth along bearing of trend and forms tooth bars 6, described tooth bar 6 can directly arrange on lower pliers head afterbody arm of force section 2a, but for the aperture that upper grip head 1, the mouth of lower pliers head 2 are opened is increased, the present embodiment is provided with vertically the incised notch plane 8 of extending on the arm of force of described lower pliers head 2, some teeth vertically spread configuration in this incised notch plane 8.This structure can be opened at the mouth of upper grip head 1, lower pliers head 2, when afterbody arm of force section is drawn close in opposite directions, for transmitting gear 7, steps down, and reserves the footprint of transmitting gear 7.Described lower plier handle 4 front ends are provided with a transmitting gear 7, this transmitting gear 7 contacts with tooth bar 6 engagements on lower pliers head arm of force section 2a, make lower plier handle 4, lower pliers head 2 all form lever, elongated end by described transmitting gear 7 along from tooth bar 6 to lower pliers head arm of force section moves, increase the moment of lower pliers head arm of force section 2a, the occlusal surface 9 of lower pliers head mouth 2b and the occlusal gmatjpdumamics of upper grip head mouth 1b are strengthened.For making gmatjpdumamics increase 30%～40%, the axial length of described incised notch plane 8 is 50mm at least, to guarantee that transmitting gear 7 has enough one-movement-freedom-degrees to increase the moment of lower pliers head arm of force section 2a.The present embodiment is provided with opening at the front end of described lower plier handle 4, and transmitting gear 7 is arranged in opening, by bearing pin 14, is connected with lower plier handle 4.The radius of described transmitting gear 7 be take 5mm as good, make the flank of tooth of its circumference can expose from the opening of lower plier handle front end with lower pliers head afterbody arm of force section tooth bar 6 engagements.Comfort level when guaranteeing that gripping handle is held with a firm grip, described lower pliers head mouth 2b and upper grip head mouth 1b are closed into when the tightest, and the minimum spacing between upper plier handle 3, lower plier handle 4 tail ends is 50～60mm; When lower pliers head mouth 2b and upper grip head mouth 1b open up into maximum limit, the maximum spacing between upper plier handle 3, lower plier handle 4 tail ends is 100～110mm.For being applicable to the requirements of operation of neurosurgery, orthopaedics, occlusal surface 9 long 25～35mm, the Breadth Maximum 5mm of described upper grip head mouth 1b, lower pliers head mouth 2b are optimum.And the corner of described upper grip head mouth 1b, lower pliers head mouth 2b occlusal surface 9 is sharp keen corner angle 9a, its to thicker osteocomma to bite effect broken also better, be more conducive to sting fast except osteocomma, shorten operating time.Described the first hinge 11, the second hinge 12, the 3rd hinge 13 and bearing pin 14, all adopt bolt or rivet.
Referring to Fig. 2, Fig. 3, this utility model is not only confined to above-described embodiment, on the basis of such scheme, the occlusal surface 9 of described upper grip head mouth 1b, lower pliers head mouth 2b is respectively equipped with corresponding groove 10, the groove depth of each groove 10 is 4～6mm, flute length 20～the 30mm of groove 10, groove width 4mm, the bite that pocket side wall end face is wide 0.5～1mm.Make after the interlock of upper and lower binding clip mouth, can form the cavity volume of a long 20～30mm, wide 4mm, high 10mm left and right, in order to hold the osteocomma biting away, avoid stinging the osteocomma removing and be scattered in body.
This utility model is not only confined to above-described embodiment, on the basis of such scheme, described interlock binding clip, except being made into friction clamp header structure, also can all bend described upper grip head mouth 1b, lower pliers head mouth 2b to downward-extension, forms folding type interlock binding clip.This folding type interlock binding clip can reduce the blocking of sight line, and is more conducive to operator's operation simultaneously.
When the operation rongeur of this utility model labour-saving is used, by palm, arrest gripping handle, wouldn't put forth one's strength, make the open-shaped state of the upper and lower binding clip mouth of rongeur.Between the upper and lower binding clip mouth of rongeur, clamp and need sting after the osteocomma removing, upper and lower clamp handle is firmly held with a firm grip, upper and lower clamp handle is drawn close in opposite directions, and upper plier handle drives the arm of force of upper grip head to move upward by forming the 3rd hinge of movable joint, and the mouth of upper grip head is moved downward; Lower plier handle moves downward by the arm of force of the transmitting gear promotion lower pliers head of front end, form labour-saving lever, in this process, the bearing of trend shift position of transmitting gear along the tooth bar of the lower pliers head arm of force to arm of force section, the moment that increases the lower pliers head arm of force, makes the mouth of lower pliers head draw close to the mouth of upper grip head, and the distance that transmitting gear moves is longer, the interlock dynamics of upper and lower binding clip is larger, fast osteocomma is bitten broken.The osteocomma breaking falls into occlusal cavity volume, with rongeur, takes out.Leverage due to lower plier handle and lower pliers head, make this labour-saving operation rongeur use more laborsaving, sting except osteocomma quicker, can shorten operating time, effect prevents that operator from because both hands are tired, the phenomenon that hands is trembled occurring, and avoids occipital bone, parietal bone, the frontal bone stinging in the operation process of neurosurgery, orthopaedics except as thicken, and spinous process, vertebral plate etc., cause the contingency of cerebral tissue, myeloid tissue and blood vessel injury to occur, improve degree of accuracy, the fineness of operation.
Claims (9)
1. a labour-saving operation rongeur, comprise by upper, lower pliers head is by the interlock binding clip of the hinged formation of the first hinge, by upper, lower plier handle is by the gripping handle of the hinged formation of the second hinge, on, between lower plier handle, be provided with back-moving spring, the tail end of afterbody arm of force section of described upper grip head and the front end of upper plier handle are hinged by the 3rd hinge, it is characterized in that: the afterbody arm of force section of described lower pliers head is than upper grip head afterbody arm of force segment length and caudad freely extend, in the afterbody arm of force section of lower pliers head, along bearing of trend, some teeth are set and form tooth bar, lower plier handle front end is provided with a transmitting gear, this transmitting gear contacts with the tooth bar engagement in lower pliers head arm of force section, elongated end by described transmitting gear along from tooth bar to lower pliers head arm of force section moves, increase the moment of lower pliers head arm of force section, the occlusal surface of lower pliers head mouth and the occlusal gmatjpdumamics of upper grip head mouth are strengthened.
2. labour-saving according to claim 1 operation rongeur, is characterized in that: the arm of force of described lower pliers head is provided with the incised notch plane of extending vertically, some teeth vertically spread configuration in this incised notch plane.
3. labour-saving according to claim 2 operation rongeur, is characterized in that: the axial length of described incised notch plane is 50mm at least.
4. labour-saving according to claim 1 operation rongeur, is characterized in that: interlock face length 25～35mm, the Breadth Maximum 5mm of described upper and lower binding clip mouth.
5. according to the labour-saving operation rongeur described in claim 1 or 4, it is characterized in that: the occlusal surface of described upper and lower binding clip mouth is respectively equipped with corresponding groove, the groove depth of each groove is 4～6mm, flute length 20～the 30mm of groove, groove width 4mm, the bite that pocket side wall end face is wide 0.5～1mm.
6. according to the labour-saving operation rongeur described in claim 1 or 4, it is characterized in that: the occlusal corner of described upper and lower binding clip mouth is sharp keen corner angle.
7. labour-saving according to claim 1 operation rongeur, is characterized in that: the mouth of described upper and lower binding clip all bends to downward-extension, forms folding type interlock binding clip.
8. labour-saving according to claim 1 operation rongeur, is characterized in that: when the mouth of described lower pliers head and the mouth of upper grip head are closed, the minimum spacing between upper and lower clamp handle tail end is 50～60mm.
9. labour-saving according to claim 1 operation rongeur, is characterized in that: the front end of described lower plier handle is provided with opening, and transmitting gear is arranged in opening, by bearing pin, is connected with lower plier handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731171.2U CN203564307U (en) | 2013-11-19 | 2013-11-19 | Labor-saving surgery rongeur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731171.2U CN203564307U (en) | 2013-11-19 | 2013-11-19 | Labor-saving surgery rongeur |
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| Publication Number | Publication Date |
|---|---|
| CN203564307U true CN203564307U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320731171.2U Withdrawn - After Issue CN203564307U (en) | 2013-11-19 | 2013-11-19 | Labor-saving surgery rongeur |
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| CN (1) | CN203564307U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103565494A (en) * | 2013-11-19 | 2014-02-12 | 中国人民解放军第三军医大学第二附属医院 | Bone rongeur for operation |
| CN107212909A (en) * | 2016-03-21 | 2017-09-29 | 广州兴龙智慧医疗科技有限公司 | A kind of rongeur |
| CN107496008A (en) * | 2017-06-16 | 2017-12-22 | 翟延荣 | A kind of Multi-function fracture setting guide forceps |
-
2013
- 2013-11-19 CN CN201320731171.2U patent/CN203564307U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103565494A (en) * | 2013-11-19 | 2014-02-12 | 中国人民解放军第三军医大学第二附属医院 | Bone rongeur for operation |
| CN103565494B (en) * | 2013-11-19 | 2014-09-10 | 中国人民解放军第三军医大学第二附属医院 | Bone rongeur for operation |
| CN107212909A (en) * | 2016-03-21 | 2017-09-29 | 广州兴龙智慧医疗科技有限公司 | A kind of rongeur |
| CN107212909B (en) * | 2016-03-21 | 2023-04-28 | 力迈德医疗（广州）有限公司 | Rongeur |
| CN107496008A (en) * | 2017-06-16 | 2017-12-22 | 翟延荣 | A kind of Multi-function fracture setting guide forceps |
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Granted publication date: 20140430 Effective date of abandoning: 20140910 |
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| AV01 | Patent right actively abandoned |
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