CN103976782A - Fracture reduction forceps - Google Patents
Fracture reduction forceps Download PDFInfo
- Publication number
- CN103976782A CN103976782A CN201410244178.0A CN201410244178A CN103976782A CN 103976782 A CN103976782 A CN 103976782A CN 201410244178 A CN201410244178 A CN 201410244178A CN 103976782 A CN103976782 A CN 103976782A
- Authority
- CN
- China
- Prior art keywords
- hole
- caliper
- jaw
- grip block
- fracture resetting
- 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.)
- Granted
Links
- 230000009467 reduction Effects 0.000 title abstract description 22
- 241000283898 Ovis Species 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 14
- 239000010959 steel Substances 0.000 abstract description 14
- 208000010392 Bone Fractures Diseases 0.000 abstract 7
- 206010017076 Fracture Diseases 0.000 abstract 3
- 208000006670 Multiple fractures Diseases 0.000 abstract 2
- 208000002193 Pain Diseases 0.000 abstract 1
- 230000036407 pain Effects 0.000 abstract 1
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8866—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices for gripping or pushing bones, e.g. approximators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical 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
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a pair of fracture reduction forceps. The pair of the fracture reduction forceps comprises a forceps body I and a forceps body II, wherein the forceps body I and the forceps body II are hinged, a jaw of the forceps body I and a jaw of the forceps body II are respectively provided with a through hole, the through holes communicate the inner sides and the outer sides of the forceps body I and the forceps body II, a clamping block is arranged in the through holes, and the clamping block can axially move along the through holes and clamp broken bones in match with the jaws. According to the fracture reduction forceps, when broken bone reduction is finished and steel plates need to be inserted to fix the broken bones, the clamping block can move to the outer sides of the jaws, so that a certain space is reserved, the steel plates can be inserted in the broken bone position smoothly, labor intensity of medical staff is lightened, and pains of patients are relieved.
Description
Technical field
The present invention relates to medical instruments field, particularly a kind of fracture resetting tongs.
Background technology
After fracture, generally need to adopt bone holding forceps that knochenbruch is resetted, and be fixed by steel plate, screw etc.Conventional reduction forceps, main two hinged forming of tong arm by X-type, front end is as clamp, rear end is as handle, after fracture, two sections of knochenbruch that disconnect, due to pullling under traction at muscle, there will be staggered, in the time that knochenbruch is resetted, need to use two sections of knochenbruch of reduction forceps clamping, and by medical worker, two sections of end bones are pulled open to reset position and with steel plate and fixed, and at present in the time of knochenbruch position insertion steel plate, conventionally need to take off reduction forceps or reduction forceps is unclamped after steel plate is inserted into knochenbruch position from jaw, but this mode of operation is in the time of fixation steel plate, knochenbruch is owing to losing the fixing of reduction forceps, easily again return to original dislocation state, brought the inconvenience of work to doctor, also increased patient's misery simultaneously.
Therefore, for overcoming the above problems, need a kind of can be without the reduction forceps that unclamps or take off reduction forceps and can easily steel plate be inserted into knochenbruch position.
Summary of the invention
In view of this, the object of the invention is to overcome defect of the prior art, a kind of reduction forceps without unclamping or take off reduction forceps and can easily steel plate be inserted into knochenbruch position is provided.
Reduction forceps of the present invention, comprises the caliper I and the caliper II that are hinged, and the jaw of the jaw of caliper I and caliper II is provided with and is communicated with its inner side and the through hole in outside, is provided with and can moves axially and coordinate the grip block that clamps knochenbruch with jaw along through hole in through hole;
Further, also comprise for regulating grip block along the axially movable governor motion of through hole, governor motion comprises and is fixed on the screw rod of grip block rear end face and coordinates the nut that screws that carries out worm drive with screw rod;
Further, described governor motion also comprises fixing head and Compress Spring, fixing head is fixed on jaw outside and through hole covering and fixing head is provided with to the via hole coaxial with through hole, screw rod is fixedly connected with screwing nut through this via hole, and Compress Spring is located in through hole and bullet peaks between fixing head and grip block;
Further, described through hole is shoulder hole, and the aperture of shoulder hole outer end is greater than inner aperture, and slide block is provided with the ladder platform matching with shoulder hole;
Further, described caliper I and caliper II include clamping part and tong arm, and tong arm upper surface is fixed with attachment screw and is detachably fixedly connected on clamping part lower end by this attachment screw;
Further, the hinge that is fixed with ratchet and this ratchet and caliper I in described caliper I coaxially arranges, and caliper II is provided with the ratchet matching with ratchet;
Further, described grip block inner face is the curved surface that can seamlessly transit with jaw medial surface, and when the ladder platform of grip block relies on the cascaded surface of shoulder hole, grip block inner face is the curved surface seamlessly transitting with jaw medial surface;
Further, described in, screwing nut is Cornu Caprae seu Ovis nut.
The invention has the beneficial effects as follows: reduction forceps of the present invention, jaw is provided with the through hole that is communicated with its inner side and outside, in through hole, be provided with and can move axially and coordinate the grip block that clamps knochenbruch with jaw along through hole, in the time that medical worker need to reset to knochenbruch, grip block inner face can be moved concordant with jaw medial surface, it is clamped knochenbruch together with jaw medial surface, thereby can effectively increase the contact area of reduction forceps and knochenbruch, ensure the reliability of reduction forceps clamping, can reduce again the damage of reduction forceps to knochenbruch surface simultaneously; On the other hand, when knochenbruch has resetted, need to insert steel plate knochenbruch is fixed time, can be by grip block side shifting outside jaw, thus abdicate certain space, make steel plate can be inserted into smoothly knochenbruch position, now, knochenbruch is still subject to the fixing of reduction forceps jaw, can effectively avoid knochenbruch in fixation steel plate process, to return to dislocation state, thereby alleviate medical worker's working strength, alleviate patient's misery.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of caliper I of the present invention;
Fig. 3 is the partial enlarged drawing at the A place in Fig. 2.
Detailed description of the invention
Fig. 1 is structural representation of the present invention, and Fig. 2 is the structural representation of caliper I 6 of the present invention, and Fig. 3 is the partial enlarged drawing at the A place in Fig. 2.Fracture resetting tongs in the present embodiment, comprise the caliper I 6 and the caliper II 3 that are hinged, on the jaw of the jaw of caliper I 6 and caliper II 3, be equipped with the through hole that is communicated with its inner side and outside, " jaw " as herein described refers to caliper I 6 and the surface that directly contacts knochenbruch in caliper II 3, " inner side " refers to towards knochenbruch one side, opposition side is " outside ", in through hole, be provided with and can move axially and coordinate the grip block 4 that clamps knochenbruch with jaw along through hole, as shown in Figure 3, grip block 4 is slidably matched with through hole, and slides axially by screw-drive mechanism.
In the present embodiment, described fracture resetting tongs also comprises for regulating grip block 4 along the axially movable governor motion of through hole, governor motion comprise be fixed on the screw rod 2 of grip block 4 rear end faces and coordinate with screw rod 2 carry out worm drive screw nut 1, this screw-drive mechanism can regulate the slip of grip block 4 with respect to jaw accurately, in the time that medical worker need to reset to knochenbruch, the rotatable nut 1 that screws, make grip block 4 to jaw medial movement, make it together to clamp knochenbruch with jaw, after reset completes, can counter-rotate and screw nut 1, make grip block 4 side shifting outside jaw, and then abdicate certain space, be convenient to medical worker and insert steel plate fixation of bone fragments.
In the present embodiment, described governor motion also comprises fixing head 9 and Compress Spring, fixing head 9 is fixed on jaw outside and through hole covering and fixing head 9 is provided with to the via hole coaxial with through hole, screw rod 2 through this via hole with screw nut 1 and be fixedly connected with, Compress Spring is located in through hole and bullet peaks between fixing head 9 and grip block 4, when medical worker unclamps while screwing nut 1, Compress Spring can promote grip block 4 to jaw inner slide;
In the present embodiment, described through hole is shoulder hole, the aperture of shoulder hole outer end is greater than inner aperture, slide block is provided with the ladder platform matching with shoulder hole, the ladder platform of grip block 4 slides into while relying on shoulder hole aperture end face, for grip block 4 is to the extreme position of jaw medial movement, in the time that grip block 4 arrives extreme position to jaw medial movement, grip block 4 inner faces and jaw form level and smooth curved surface.
In the present embodiment, described caliper I 6 and caliper II 3 include clamping part 5 and tong arm 7, tong arm 7 upper surfaces are fixed with attachment screw 8 and are detachably fixedly connected on clamping part 5 lower ends by this attachment screw 8, after knochenbruch is resetted, generally need to knochenbruch be fixed with steel plate, now, medical worker can pull down tong arm 7, avoid interfering with tong arm 7, disturb carrying out smoothly of operation.
In the present embodiment, the hinge that is fixed with ratchet and this ratchet and caliper I 6 in described caliper I 6 coaxially arranges, and caliper II 3 is provided with the ratchet matching with ratchet; (ratchet and ratchet are not shown in the drawings), ratchet and ratchet make caliper I 6 and caliper II 3 along clamping direction one-directional rotation, after medical worker steps up knochenbruch, can hold tong arm 7, due to the inverse-stopping functions of click, fracture resetting tongs will can not get loose, and in the time fracture resetting tongs need being taken off, can pull ratchet it is got loose.
In the present embodiment, described grip block 4 inner faces are the curved surface seamlessly transitting with jaw medial surface, when the ladder platform of grip block 4 relies on the cascaded surface of shoulder hole, grip block 4 inner faces and the transition of jaw medial surface balance, be beneficial to make grip block 4 medial surface and jaw to form a complete smooth surface, make reduction forceps more reliable to the clamping of knochenbruch, can avoid the cause damage of reduction forceps to knochenbruch simultaneously.
In the present embodiment, described in screw nut 1 for Cornu Caprae seu Ovis nut, Cornu Caprae seu Ovis nut is provided with the flank of being convenient to the manual swivel nut of medical worker, adopts Cornu Caprae seu Ovis nut as the convenience that screws nut 1 and can greatly strengthen this fracture resetting tongs.
Finally explanation is, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (8)
1. a fracture resetting tongs, is characterized in that: comprise the caliper I and the caliper II that are hinged; On the jaw of the jaw of described caliper I and caliper II, be equipped with the through hole that is communicated with its inner side and outside; In described through hole, be provided with and can move axially and coordinate the grip block that clamps knochenbruch with jaw along through hole.
2. fracture resetting tongs according to claim 1, is characterized in that: also comprise for regulating grip block along the axially movable governor motion of through hole; Described governor motion comprises and is fixed on the screw rod of grip block rear end face and coordinates the nut that screws that carries out worm drive with screw rod.
3. fracture resetting tongs according to claim 2, is characterized in that: described governor motion also comprises fixing head and Compress Spring; Described fixing head is fixed on jaw outside and through hole covering and fixing head is provided with to the via hole coaxial with through hole; Described screw rod through this via hole with screw nut and be fixedly connected with; Described Compress Spring is located in through hole and bullet peaks between fixing head and grip block.
4. fracture resetting tongs according to claim 3, is characterized in that: described through hole is shoulder hole; The aperture of described shoulder hole outer end is greater than inner aperture; Described slide block is provided with the ladder platform matching with shoulder hole.
5. fracture resetting tongs according to claim 4, is characterized in that: described caliper I and caliper II include clamping part and tong arm; Described tong arm upper surface is fixed with attachment screw and is detachably fixedly connected on clamping part lower end by this attachment screw.
6. fracture resetting tongs according to claim 5, is characterized in that: the hinge that is fixed with ratchet and ratchet and caliper I in described caliper I coaxially arranges; Described caliper II is provided with the ratchet matching with described ratchet.
7. fracture resetting tongs according to claim 6, is characterized in that: described grip block inner face is the curved surface seamlessly transitting with jaw medial surface.
8. fracture resetting tongs according to claim 7, is characterized in that: described in to screw nut be Cornu Caprae seu Ovis nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244178.0A CN103976782B (en) | 2014-06-04 | 2014-06-04 | Fracture reduction forceps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410244178.0A CN103976782B (en) | 2014-06-04 | 2014-06-04 | Fracture reduction forceps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103976782A true CN103976782A (en) | 2014-08-13 |
| CN103976782B CN103976782B (en) | 2017-02-01 |
Family
ID=51269125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410244178.0A Active CN103976782B (en) | 2014-06-04 | 2014-06-04 | Fracture reduction forceps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103976782B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115622A (en) * | 2019-06-12 | 2019-08-13 | 濮阳市贝力医疗器械有限公司 | A kind of quick steel plate playback fracture pincers and its application method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103936A (en) * | 2006-07-12 | 2008-01-16 | 张长青 | Clamper for bone fixing plate |
| US20090306675A1 (en) * | 2008-05-30 | 2009-12-10 | Wright Medical Technology, Inc. | Drill guide assembly |
| CN201782785U (en) * | 2010-02-09 | 2011-04-06 | 王玉山 | Adjustable multifunctional spine draw hook |
| CN203029360U (en) * | 2012-11-26 | 2013-07-03 | 中国人民解放军成都军区总医院 | Percutaneous minimally invasive fracture reduction forceps |
| CN203873849U (en) * | 2014-06-04 | 2014-10-15 | 杨利 | Fracture reduction forceps |
-
2014
- 2014-06-04 CN CN201410244178.0A patent/CN103976782B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101103936A (en) * | 2006-07-12 | 2008-01-16 | 张长青 | Clamper for bone fixing plate |
| US20090306675A1 (en) * | 2008-05-30 | 2009-12-10 | Wright Medical Technology, Inc. | Drill guide assembly |
| CN201782785U (en) * | 2010-02-09 | 2011-04-06 | 王玉山 | Adjustable multifunctional spine draw hook |
| CN203029360U (en) * | 2012-11-26 | 2013-07-03 | 中国人民解放军成都军区总医院 | Percutaneous minimally invasive fracture reduction forceps |
| CN203873849U (en) * | 2014-06-04 | 2014-10-15 | 杨利 | Fracture reduction forceps |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110115622A (en) * | 2019-06-12 | 2019-08-13 | 濮阳市贝力医疗器械有限公司 | A kind of quick steel plate playback fracture pincers and its application method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103976782B (en) | 2017-02-01 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200731 Address after: No.12 hutaixin Road, Liuhe Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: JIANGSU HUIGU MEDICAL DEVICES Co.,Ltd. Address before: Jiulongpo Longquan village 400080 Chongqing City No. 160 Co-patentee before: Ma Ben Patentee before: Yang Li |