CN104706415A - A pair of tongs for taking intramedullary nail - Google Patents
A pair of tongs for taking intramedullary nail Download PDFInfo
- Publication number
- CN104706415A CN104706415A CN201510116783.4A CN201510116783A CN104706415A CN 104706415 A CN104706415 A CN 104706415A CN 201510116783 A CN201510116783 A CN 201510116783A CN 104706415 A CN104706415 A CN 104706415A
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- CN
- China
- Prior art keywords
- clamp nozzle
- groove
- tong arm
- lower clamp
- mouth
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- 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.)
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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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
- A61B17/921—Impactors or extractors, e.g. for removing intramedullary devices for intramedullary devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a pair of tongs for taking an intramedullary nail. The tongs comprise an upper tong arm, a lower tong arm, an upper tong mouth, a lower tong mouth, a sliding rod and a threaded rod. The upper tong arm and the lower tong mouth are of an integral structure. The lower tong arm and the upper tong mouth are of an integral structure. A sliding groove is formed in the upper tong arm. One end of the sliding rod is connected with the lower tong arm, and the sliding rod can swing around the connecting part. The other end of the sliding rod is provided with a stop dog. The sliding rod is provided with a sliding hammer. One end of the threaded rod is connected with the lower tong arm, and the other end penetrates through the sliding groove, wherein the end, extending out of the sliding groove, of the threaded rod is provided with a nut. The inner side face of the upper tong mouth and the inner side face of the lower tong mouth are provided with an upper tong mouth groove and a lower tong mouth groove respectively along the center lines. The upper tong mouth extends frontward to form an L shape. The lower tong mouth can be wrapped by the upper tong mouth when the occlusion is carried out. The rear ends of the upper tong mouth and the lower tong mouth are each provided with a through hole. According to the tongs for taking the intramedullary nail, the tail portion of the intramedullary nail is placed in the upper tong mouth groove and the lower tong mouth groove, the nut is locked, the stop dog is knocked by the sliding hammer to loosen the intramedullary nail from the sclerotin, and the intramedullary nail is taken out. The tongs can rotate freely around the tail portion of the intramedullary nail, the operation is convenient, and loosening is prevented from happening.
Description
Technical field
The one that the present invention relates to medical instruments field gets intramedullary pin pincers.
Background technology
When treating fracture, the position of fracture can reset by doctor usually, and is fixed by the fracture after reset by medical apparatus and instruments; When fixing, usually can use some medical staples, lose after knitting until patient, then need these staples to take out; Especially a flexible intramedullary nail for internal fixtion, the rivet nut due to staple is " C " or " S " sigmoid in tubular bone, is thus difficult to extract by rotating, and can only take out by beating the mode of pulling out; And current and that the present invention is the most close prior art is shown in that Fig. 1 and patent document are as application number: CN201220408253.9, patent discloses/notification number: described in CN202821589U, namely by after the occlusion that interlocks with longitudinal upper clamp tooth 17 and horizontal lower clamp tooth 18, by the snap-lock of nut 19 by upper clamp nozzle 21 and lower clamp nozzle 22, then by sliding hammer 20, staple is extracted after shredding from sclerotin.
Weak point is: due to get internal fixation nail operation in need often to adjust power thrusts, also the direction of often rotating pincers is namely needed, nut 19 must be unclamped whenever need rotating the direction of pincers, unclamp the occlusion of upper clamp nozzle 21 and lower clamp nozzle 22, after the adjustment of direction again fastening nut 19 by snap-lock, then with sliding hammer 20 shredding until extract; In addition, carry out increasing friction force by occlusion mode of interlocking with longitudinal upper clamp tooth 17 and horizontal lower clamp tooth 18 and be engaged fixing, must can ensure occlusion firmly by instrument fastening nut 19, free-hand cannot operation, it is not very convenient to operate; When being exactly with this forceps operation again, staple external part needs to expose 10-15mm can be guaranteed occlusion and be engaged solid and reliable, and exposing 10-15mm can bring interference to patient's daily life.
Summary of the invention
The technical problem that the present invention mainly solves is to provide one and gets intramedullary pin pincers, its applicable the clinical of latest model intramedullary pin patent is made to get tack operation, intramedullary pin external part is made to be reduced to 3-5mm long, patient can not be caused to interfere collide with, firm intramedullary pin afterbody external part can be clamped after only needing free-hand lock nut during clinical operation, and again just power thrusts must can not adjusted easily in tightening nut situation, improve patients ' life quality and facilitate clinical manipulation.
For solving the problems of the technologies described above, the technical problem that the present invention mainly solves is to provide one and gets intramedullary pin pincers, comprises tong arm, lower tong arm, upper clamp nozzle, lower clamp nozzle, slide bar, screw rod; Described upper tong arm and lower clamp nozzle as a whole, described lower tong arm and upper clamp nozzle as a whole; Described upper tong arm is provided with chute, and described slide bar one end is connected with lower tong arm, and can swing around junction, and the described slide bar other end is provided with block, and described slide bar is provided with sliding hammer; Described screw rod one end is connected with lower tong arm, and the other end passes chute and stretches out detent ends and is provided with nut; Described upper clamp nozzle and lower clamp nozzle medial surface centrally line direction are respectively equipped with upper clamp nozzle groove and lower clamp nozzle groove, and described upper clamp nozzle groove and lower clamp nozzle groove are respectively a semi-circular groove, and described upper clamp nozzle stretches out forward L-shaped, can encase lower clamp nozzle during occlusion; Described upper clamp nozzle and lower clamp nozzle rear end and be provided with a through hole perpendicular to centerline direction, and through hole and hollow cylinder connect.
Preferably, the hollow cylinder diameter that described upper clamp nozzle groove and lower clamp nozzle groove are combined into is: ￠ 2-4mm.
Preferably, described upper clamp nozzle and lower clamp nozzle rear end and be provided with a through-hole diameter perpendicular to centerline direction and be: ￠ 4-10mm.
Preferably, described upper clamp nozzle and lower clamp nozzle rear end and be perpendicular to the centre-to-centre spacing lower clamp nozzle end face distance that centerline direction is provided with a through hole: 3-5mm.
The invention has the beneficial effects as follows: be applicable to the clinical of latest model intramedullary pin patent and get tack operation, intramedullary pin external part is made to be reduced to 3-5mm long, patient can not be caused to interfere collide with, firm intramedullary pin afterbody external part can be clamped after only needing free-hand lock nut during clinical operation, and again just power thrusts must can not adjusted easily in tightening nut situation, improve patients ' life quality and facilitate clinical manipulation.
Accompanying drawing explanation
Fig. 1 is the structural representation getting intramedullary pin pincers in prior art;
Fig. 2 is the structural representation getting intramedullary pin pincers of the present invention;
Fig. 3 is the example structure schematic diagram getting intramedullary pin pincers of the present invention;
Wherein, 1, upper tong arm; 2, lower tong arm; 3, upper clamp nozzle; 4, lower clamp nozzle; 5, slide bar; 6, sliding hammer; 7, block; 8, chute; 9, screw rod; 10, nut; 11, contiguous block; 12, pulling block; 13, upper clamp nozzle groove; 14, lower clamp nozzle groove; 15, through hole; 16, Intramedullary nail; 17, longitudinal upper clamp tooth; 18, horizontal lower clamp tooth; 19, nut; 20, sliding hammer; 21, upper clamp nozzle; 22, lower clamp nozzle.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiments of the invention as Figure 2-3, one gets intramedullary pin pincers, comprises tong arm 1, lower tong arm 2, upper clamp nozzle 3, lower clamp nozzle 4, slide bar 5, screw rod 9; Described upper tong arm 1 is as a whole with lower clamp nozzle 4, and described lower tong arm 2 is as a whole with upper clamp nozzle 3; Described upper tong arm 1 is provided with chute 8, and described slide bar 5 one end is connected with lower tong arm 2, and can swing around junction, and described slide bar 5 other end is provided with block 7, and described slide bar 5 is provided with sliding hammer 6; Described screw rod 9 one end is connected with lower tong arm 2, and the other end passes chute 8 and stretches out chute 8 end and is provided with nut 10; Described upper clamp nozzle 3 and lower clamp nozzle 4 medial surface centrally line direction are respectively equipped with upper clamp nozzle groove 13 and lower clamp nozzle groove 14, described upper clamp nozzle groove 13 is respectively a semi-circular groove with lower clamp nozzle groove 14, and described upper clamp nozzle 3 stretches out forward L-shaped, can encase lower clamp nozzle 4 during occlusion; Described upper clamp nozzle 3 and lower clamp nozzle 4 rear end and be provided with a through hole 15 perpendicular to centerline direction, and through hole 15 and hollow cylinder connect; The hollow cylinder diameter that described upper clamp nozzle groove 13 and lower clamp nozzle groove 14 are combined into is: ￠ 4mm; Described upper clamp nozzle 3 and lower clamp nozzle 4 rear end and be provided with through hole 15 diameter perpendicular to centerline direction and be: ￠ 8mm; Described upper clamp nozzle 3 and lower clamp nozzle 4 rear end and be perpendicular to centre-to-centre spacing lower clamp nozzle 4 end face distance that centerline direction is provided with a through hole 15: 5mm.
Of the present invention get intramedullary pin pincers work process as follows:
In figure 3, the afterbody external part of Intramedullary nail 16 is placed in upper clamp nozzle groove 13 and lower clamp nozzle groove 14, locking nut 10, rotates intramedullary pin pincers direction, clash into block 7 by sliding hammer 6 and intramedullary pin is extracted after shredding from sclerotin.
One of the present invention gets intramedullary pin pincers, reduces the afterbody external part length requirement of Intramedullary nail 16, reduces the rate of tension to patient skin, avoid due to longer the caused interference to patient's daily life of conventional intramedullary nails external part simultaneously; The afterbody external part of Intramedullary nail 16 is placed in upper clamp nozzle groove 13 and lower clamp nozzle groove 14 internal locking nut 10, can rotate adjustment power thrusts easily arbitrarily, greatly facilitate clinical manipulation; Remain the advantage of present technology, use sliding hammer 6 to clash into block 7 and Intramedullary nail 16 is conveniently extracted after shredding from sclerotin.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. get intramedullary pin pincers for one kind, comprise tong arm (1), lower tong arm (2), upper clamp nozzle (3), lower clamp nozzle (4), slide bar (5), screw rod (9); Described upper tong arm (1) is as a whole with lower clamp nozzle (4), and described lower tong arm (2) is as a whole with upper clamp nozzle (3); Described upper tong arm (1) is provided with chute (8), and described slide bar (5) one end is connected with lower tong arm (2), and can swing around junction, and described slide bar (5) other end is provided with block (7), and described slide bar (5) is provided with sliding hammer (6); Described screw rod (9) one end is connected with lower tong arm (2), and the other end passes chute (8) and stretches out chute (8) end and is provided with nut (10); It is characterized in that described upper clamp nozzle (3) and lower clamp nozzle (4) medial surface centrally line direction are respectively equipped with upper clamp nozzle groove (13) and lower clamp nozzle groove (14), described upper clamp nozzle groove (13) and lower clamp nozzle groove (14) are respectively a semi-circular groove, and described upper clamp nozzle (3) stretches out forward L-shaped, lower clamp nozzle (4) during occlusion, can be encased; Described upper clamp nozzle (3) and lower clamp nozzle (4) rear end and be provided with a through hole (15) perpendicular to centerline direction, and through hole (15) and hollow cylinder connect.
2. intramedullary pin of getting according to claim 1 clamps, and it is characterized in that: the hollow cylinder diameter that described upper clamp nozzle groove (13) and lower clamp nozzle groove (14) are combined into is: ￠ 2-4mm.
3. according to claim 1ly get intramedullary pin pincers, it is characterized in that: described upper clamp nozzle (3) and lower clamp nozzle (4) rear end and be provided with a through hole (15) diameter perpendicular to centerline direction and be: ￠ 4-10mm.
4. according to claim 1 or 3, get intramedullary pin pincers, it is characterized in that: described upper clamp nozzle (3) and lower clamp nozzle (4) rear end and be perpendicular to centre-to-centre spacing lower clamp nozzle (4) end face distance that centerline direction is provided with a through hole (15): 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116783.4A CN104706415A (en) | 2015-03-17 | 2015-03-17 | A pair of tongs for taking intramedullary nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116783.4A CN104706415A (en) | 2015-03-17 | 2015-03-17 | A pair of tongs for taking intramedullary nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104706415A true CN104706415A (en) | 2015-06-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510116783.4A Pending CN104706415A (en) | 2015-03-17 | 2015-03-17 | A pair of tongs for taking intramedullary nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104706415A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018023608A (en) * | 2016-08-10 | 2018-02-15 | 株式会社ＡｉｍｅｄｉｃＭＭＴ | Surgical jig and surgical bone fixation unit |
| CN108309431A (en) * | 2018-01-30 | 2018-07-24 | 芜湖东旭威宇医疗器械科技有限公司 | A kind of spicule takes needle device |
| CN112472271A (en) * | 2021-01-10 | 2021-03-12 | 东莞市金名医疗器械有限公司 | Aseptic bone holding forceps convenient to adjust and lock |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6136004A (en) * | 1998-05-13 | 2000-10-24 | Waldemar Lin (Gmbh & Co.) | Surgical nail forceps |
| CN2513534Y (en) * | 2001-12-01 | 2002-10-02 | 中国石化集团齐鲁石油化工公司 | Medical nail taking-out forceps |
| CN200998307Y (en) * | 2007-01-27 | 2008-01-02 | 张华� | Embedding pressing type osseous pin extractor |
| CN201094663Y (en) * | 2007-09-30 | 2008-08-06 | 孙兴亮 | Novel medical nail taking-out forceps |
| CN201642306U (en) * | 2010-04-19 | 2010-11-24 | 王瑞杰 | Bone screw removing device |
| CN102836003A (en) * | 2012-08-17 | 2012-12-26 | 苏州瑞华医院有限公司 | Nail puller with sliding weight |
-
2015
- 2015-03-17 CN CN201510116783.4A patent/CN104706415A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6136004A (en) * | 1998-05-13 | 2000-10-24 | Waldemar Lin (Gmbh & Co.) | Surgical nail forceps |
| CN2513534Y (en) * | 2001-12-01 | 2002-10-02 | 中国石化集团齐鲁石油化工公司 | Medical nail taking-out forceps |
| CN200998307Y (en) * | 2007-01-27 | 2008-01-02 | 张华� | Embedding pressing type osseous pin extractor |
| CN201094663Y (en) * | 2007-09-30 | 2008-08-06 | 孙兴亮 | Novel medical nail taking-out forceps |
| CN201642306U (en) * | 2010-04-19 | 2010-11-24 | 王瑞杰 | Bone screw removing device |
| CN102836003A (en) * | 2012-08-17 | 2012-12-26 | 苏州瑞华医院有限公司 | Nail puller with sliding weight |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018023608A (en) * | 2016-08-10 | 2018-02-15 | 株式会社ＡｉｍｅｄｉｃＭＭＴ | Surgical jig and surgical bone fixation unit |
| CN108309431A (en) * | 2018-01-30 | 2018-07-24 | 芜湖东旭威宇医疗器械科技有限公司 | A kind of spicule takes needle device |
| CN112472271A (en) * | 2021-01-10 | 2021-03-12 | 东莞市金名医疗器械有限公司 | Aseptic bone holding forceps convenient to adjust and lock |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |
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| RJ01 | Rejection of invention patent application after publication |