CN106821488B - Auxiliary sleeve for screw fixation and taking out - Google Patents
Auxiliary sleeve for screw fixation and taking out Download PDFInfo
- Publication number
- CN106821488B CN106821488B CN201710223273.6A CN201710223273A CN106821488B CN 106821488 B CN106821488 B CN 106821488B CN 201710223273 A CN201710223273 A CN 201710223273A CN 106821488 B CN106821488 B CN 106821488B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- sleeve
- shaped
- rod
- arc
- 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.)
- Active
Links
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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a screw fixing and taking auxiliary sleeve, which comprises a pressurizing sleeve, a first connecting rod, a second connecting rod and a hinging block, wherein the first connecting rod and the second connecting rod are movably inserted into the pressurizing sleeve, one end of the first connecting rod and one end of the second connecting rod are respectively provided with a semicircular clamping groove, the side wall of the first connecting rod is connected with one end of an arc-shaped inserted rod, the side wall of the second connecting rod is connected with the arc-shaped sleeve, the arc-shaped inserted rod is movably inserted into the arc-shaped sleeve, the other end of the arc-shaped inserted rod is connected with the bottom of the arc-shaped sleeve through a first spring, the screw fixing and taking auxiliary sleeve is simple in structure, hollow nails and screws of various types can be clamped by adding the semicircular clamping grooves, the device can be used for multiple purposes, the device can smoothly exit from a minimally invasive small skin incision under the condition that the elastic clamping grooves are opened, the incision length is not required to be increased, the damage is additionally increased, and the fixing certainty is increased after the sliding pressurizing sleeve slides towards the clamping grooves.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a screw fixing and taking-out auxiliary sleeve.
Background
Minimally invasive surgery is a branch of medical science for achieving the purpose of treatment by delivering special instruments, physical energy or chemical agents into the human body through a small wound or a small access way and completing the operation of surgical operations such as inactivation, excision, repair or reconstruction of lesions, deformity, wounds and the like in the human body. With the recent popularity of minimally invasive, more and more minimally invasive staple placement techniques are beginning to be applied in clinical applications, where patent application numbers: the guiding outer sleeve for minimally invasive surgery disclosed in CN201320773765.X cannot better meet medical requirements in the technical field of application, and at present, the situation that nails are unstable after small incisions are placed, are difficult to enter nail holes and are difficult to withdraw nails (particularly hollow nails) in clinic, idle in situ, cannot reverse and the like is often encountered, the incisions can only be enlarged in many cases when the guiding outer sleeve is used, or instruments such as forceps are adopted for reverse traction, so that wounds are increased, the operation time is prolonged, and the infection chance is increased. For this purpose, a screw-fixed extraction auxiliary sleeve is proposed.
Disclosure of Invention
The present invention is directed to a screw-fixing extraction auxiliary sleeve, which solves the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the screw fixing and taking-out auxiliary sleeve comprises a pressurizing sleeve, a first connecting rod, a second connecting rod and a hinging block, wherein the first connecting rod and the second connecting rod are movably inserted into the pressurizing sleeve, one end of the first connecting rod and one end of the second connecting rod are respectively provided with a semicircular clamping groove correspondingly, the side wall of the first connecting rod is connected with one end of an arc-shaped inserted rod, the side wall of the second connecting rod is connected with the arc-shaped sleeve, the arc-shaped inserted rod is movably inserted into the arc-shaped sleeve, and the other end of the arc-shaped inserted rod is connected with the bottom of the arc-shaped sleeve through a first spring;
the upper side wall and the lower side wall of the pressurizing sleeve are respectively provided with a threaded hole, a screw is connected in the threaded holes in a threaded way, the upper end of the screw is connected with a limiting block, the lower end of the screw is provided with a circular bulge, the circular bulge is matched and clamped with a circular groove formed in the upper end of a supporting leg, and the lower end of the supporting leg is rotationally connected with a sphere;
the one end lateral wall that semicircular clamping groove was kept away from to first connecting rod is connected to the one end of T type pole, the one end lateral wall that semicircular clamping groove was kept away from to the second connecting rod is connected to the one end of T type pole, and two T type pole activities are pegged graft in the through-hole of seting up on drawing the box, cup jointed the second spring on the T type pole, and the one end of second spring is inconsistent with the lateral wall of drawing the box, and the other end of second spring is inconsistent with the one end of T type pole, draw box and handle rotation to be connected.
Preferably, the number of the threaded holes formed in the upper side wall of the pressurizing sleeve is two, and the number of the threaded holes formed in the lower side wall of the pressurizing sleeve is two.
Preferably, each screw rod is a transparent body, and a graduated scale is arranged in the screw rod.
Preferably, the hinge block is located at a position between the two spheres.
Preferably, a plurality of anti-slip bulges are arranged on the side wall of the semicircular clamping groove, and the semicircular clamping groove and the first connecting rod are vertically arranged.
Preferably, the handle is provided with anti-skid patterns.
Compared with the prior art, the invention has the beneficial effects that: the auxiliary sleeve is simple in structure, hollow nails and screws of various types can be clamped by adding the semicircular clamping grooves to be folded, multiple purposes can be achieved, the elastic clamping grooves can smoothly exit from the minimally invasive small skin incision under the condition that the elastic clamping grooves are opened, the incision length is not required to be increased, the damage is additionally increased, the fixing certainty is increased after the sliding pressurizing sleeve slides towards the clamping grooves, the stability and the accuracy are improved when the nails are placed and taken out, the shaking of the nails can be reduced by the handle, the accuracy is ensured, the pull force for retreating is increased when the nails are taken out, the nails are prevented from idling in situ, and the nails do not retreat.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged schematic view of the a structure.
In the figure: the device comprises a pressurizing sleeve 1, a first connecting rod 2, a second connecting rod 3, a hinging block 4, a handle 5, a semicircular clamping groove 6, an arc-shaped inserted link 7, an arc-shaped sleeve 8, a first spring 9, a ball 10, a supporting leg 11, a screw 12, a graduated scale 13, a limiting block 14, a pull box 15, a T-shaped rod 16 and a second spring 17.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the present invention provides a technical solution:
the utility model provides a screw fixation takes out auxiliary sleeve, including pressurization sleeve 1, first connecting rod 2, second connecting rod 3 and articulated piece 4, first connecting rod 2 and second connecting rod 3 all activity are pegged graft in pressurization sleeve 1, and the one end of first connecting rod 2 and the one end of second connecting rod 3 all correspond and are equipped with semi-circular draw-in groove 6, semi-circular draw-in groove 6's lateral wall is equipped with a plurality of non-slip projections, set up perpendicularly between semi-circular draw-in groove 6 and the first connecting rod 2, the one end of arc inserted bar 7 is connected to the lateral wall of second connecting rod 3, arc sleeve 8 is connected to the lateral wall of arc inserted bar 7, and arc inserted bar 7 activity is pegged graft in arc sleeve 8, the other end of arc inserted bar 7 is connected through the bottom of first spring 9 and arc sleeve 8, when the contained angle between first connecting rod 2 and the second connecting rod 3 is changed, wherein, arc inserted bar 7 activity is pegged graft at arc sleeve 8, play the effect, the both ends of first spring 9 weld the position between arc inserted bar 7 and arc sleeve 8 simultaneously, be convenient for elasticity is firm.
The screw holes are formed in the upper side wall and the lower side wall of the pressurizing sleeve 1, the screw rods 12 are connected in the screw holes, the screw holes are formed in the upper side wall of the pressurizing sleeve 1, the screw holes are formed in the lower side wall of the pressurizing sleeve 1, the screw holes are formed in the two side walls, the upper end of the screw rods 12 are connected with the limiting blocks 14, each screw rod 12 is a transparent body, a graduated scale 13 is arranged in each screw rod 12, when the adjusting screw rods 12 move up and down in the screw holes again, an operator can rotate while seeing the adjusted graduated scale value on the graduated scale 13 from the screw rods 12 of the transparent body, the lower end of each screw rod 12 is provided with a circular protrusion, the circular protrusion is matched and clamped with the circular grooves formed in the upper ends of the supporting legs 11, the lower ends of the supporting legs 11 are connected with the spheres 10 in a rotating mode, the hinging blocks 4 are located between the two spheres 10, and the spheres 10 move up and down for adjusting the included angle between the first connecting rods 2 and the second connecting rods 3.
One end of a T-shaped rod 16 is connected to one end side wall of a semicircular clamping groove 6, which is far away from the first connecting rod 2, one end of a T-shaped rod 16 is connected to one end side wall of a semicircular clamping groove 6, which is far away from the second connecting rod 3, and two T-shaped rods 16 are movably inserted into through holes formed in a pull box 15, a second spring 17 is sleeved on the T-shaped rod 16, one end of the second spring 17 is in contact with the outer side wall of the pull box 15, the other end of the second spring 17 is in contact with one end of the T-shaped rod 16, the pull box 15 is connected with a handle 5 in a rotating manner, the handle can be pulled along different directions, anti-slip patterns are formed in the handle 5, the handle 5 is composed of two rods, and the two rods are inserted into each other, so that the extension operation is facilitated.
Working principle: the operator drives the rotation of screw rod 12 through rotating stopper 14, the circular recess matching joint that screw rod 12 was offered through circular arch and supporting leg 11 upper end, circular arch is rotated in circular recess this moment on one side, drive supporting leg 11 and reciprocate simultaneously, supporting leg 11 drives spheroid 10's oscilaltion, because two spheroids 10 jack the lateral wall of second connecting rod 3, two spheroids 10 jack the lateral wall of first connecting rod 2, accomplish the adjustment to the contained angle between first connecting rod 2 and the second connecting rod 3, drive the clearance adjustment that two semicircular draw-in grooves 6 are constituteed, simultaneously, be equipped with scale 13 in the screw rod 12, again according to the model size difference of hollow nail and screw, clearance that two semicircular draw-in grooves 6 are constituteed can be accurately adjusted, through the clearance of adjusting, be convenient for fast match block hollow nail and screw, then pulling handle 5 can be with the screw that takes out.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a screw fixation takes out auxiliary sleeve, includes pressurization sleeve (1), first connecting rod (2), second connecting rod (3) and articulation piece (4), its characterized in that: the first connecting rod (2) and the second connecting rod (3) are movably inserted into the pressurizing sleeve (1), one end of the first connecting rod (2) and one end of the second connecting rod (3) are respectively provided with a semicircular clamping groove (6), the side wall of the first connecting rod (2) is connected with one end of the arc-shaped inserting rod (7), the side wall of the second connecting rod (3) is connected with the arc-shaped sleeve (8), the arc-shaped inserting rod (7) is movably inserted into the arc-shaped sleeve (8), and the other end of the arc-shaped inserting rod (7) is connected with the bottom of the arc-shaped sleeve (8) through a first spring (9); the first connecting rod (2) and the second connecting rod (3) are hinged through a hinging block (4);
the upper side wall and the lower side wall of the pressurizing sleeve (1) are respectively provided with a threaded hole, a screw (12) is connected in the threaded holes in a threaded way, the upper end of the screw (12) is connected with a limiting block (14), the lower end of the screw (12) is provided with a circular bulge, the circular bulge is matched and clamped with a circular groove formed in the upper end of a supporting leg (11), and the lower end of the supporting leg (11) is rotationally connected with a sphere (10);
one end side wall of the first connecting rod (2) far away from the semicircular clamping groove (6) is connected with one end of the T-shaped rod (16), one end side wall of the second connecting rod (3) far away from the semicircular clamping groove (6) is connected with one end of the T-shaped rod (16), the two T-shaped rods (16) are movably inserted into through holes formed in the pull box (15), the T-shaped rod (16) is sleeved with a second spring (17), one end of the second spring (17) is in contact with the outer side wall of the pull box (15), the other end of the second spring (17) is in contact with one end of the T-shaped rod (16), and the pull box (15) is in rotary connection with the handle (5);
the number of the threaded holes is two on the upper side wall of the pressurizing sleeve (1), and the number of the threaded holes on the lower side wall of the pressurizing sleeve (1) is two;
each screw rod (12) is a transparent body, and a graduated scale (13) is arranged in each screw rod (12);
the hinge block (4) is positioned between the two spheres (10).
2. A screw-fixed extraction aid sleeve according to claim 1, wherein: the side wall of the semicircular clamping groove (6) is provided with a plurality of anti-skidding bulges, and the semicircular clamping groove (6) and the first connecting rod (2) are vertically arranged.
3. A screw-fixed extraction aid sleeve according to claim 1, wherein: the handle (5) is provided with anti-skid patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223273.6A CN106821488B (en) | 2017-04-07 | 2017-04-07 | Auxiliary sleeve for screw fixation and taking out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223273.6A CN106821488B (en) | 2017-04-07 | 2017-04-07 | Auxiliary sleeve for screw fixation and taking out |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106821488A CN106821488A (en) | 2017-06-13 |
| CN106821488B true CN106821488B (en) | 2023-08-11 |
Family
ID=59146565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710223273.6A Active CN106821488B (en) | 2017-04-07 | 2017-04-07 | Auxiliary sleeve for screw fixation and taking out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106821488B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374718B (en) * | 2017-08-17 | 2019-12-20 | 温州市人民医院 | Broken screw taking device |
| CN108703801B (en) * | 2018-06-15 | 2019-11-12 | 中国人民解放军陆军军医大学第一附属医院 | A kind of percutaneous positioning minimally invasive internal fixation steel plate screw withdrawing device of orthopaedics |
| CN108771565B (en) * | 2018-07-09 | 2020-12-08 | 高鹏飞 | Screw clamping mechanism for orthopedics department |
| CN109480961B (en) * | 2018-12-19 | 2021-04-16 | 刘文选 | Clinical special tweezers of dermatology |
| CN109770976A (en) * | 2019-03-28 | 2019-05-21 | 陈进 | A kind of dedicated limit forceps of ophthalmologic operation |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201094663Y (en) * | 2007-09-30 | 2008-08-06 | 孙兴亮 | Novel medical nail taking-out forceps |
| CN101342088A (en) * | 2007-07-11 | 2009-01-14 | 南京医科大学附属南京第一医院 | Internal fixation screw positioner |
| CN202223335U (en) * | 2011-09-15 | 2012-05-23 | 冯阳 | Bone nail extractor |
| CN202875465U (en) * | 2012-11-25 | 2013-04-17 | 李同生 | Novel orthopedic pincers |
| CN204379427U (en) * | 2015-01-08 | 2015-06-10 | 张文卿 | A kind of nail-fetching device for orthopaedics |
| CN105012006A (en) * | 2015-07-19 | 2015-11-04 | 孟媛 | Nail-removing apparatus for orthopedics department |
| CN205268269U (en) * | 2015-12-31 | 2016-06-01 | 武永富 | Shin calf screw is followed closely absolutely and is taken out locator down |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
| CN207341802U (en) * | 2017-04-07 | 2018-05-11 | 中国人民解放军总医院 | A kind of screw, which is fixed, takes out auxiliary sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE439094T1 (en) * | 2006-05-24 | 2009-08-15 | Munoz Felipe Lopez-Oliva | DEVICE WITH A LOCKING NAIL FOR TREATING CALCANEOUS FRACTURES |
-
2017
- 2017-04-07 CN CN201710223273.6A patent/CN106821488B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101342088A (en) * | 2007-07-11 | 2009-01-14 | 南京医科大学附属南京第一医院 | Internal fixation screw positioner |
| CN201094663Y (en) * | 2007-09-30 | 2008-08-06 | 孙兴亮 | Novel medical nail taking-out forceps |
| CN202223335U (en) * | 2011-09-15 | 2012-05-23 | 冯阳 | Bone nail extractor |
| CN202875465U (en) * | 2012-11-25 | 2013-04-17 | 李同生 | Novel orthopedic pincers |
| CN204379427U (en) * | 2015-01-08 | 2015-06-10 | 张文卿 | A kind of nail-fetching device for orthopaedics |
| CN105012006A (en) * | 2015-07-19 | 2015-11-04 | 孟媛 | Nail-removing apparatus for orthopedics department |
| CN205268269U (en) * | 2015-12-31 | 2016-06-01 | 武永富 | Shin calf screw is followed closely absolutely and is taken out locator down |
| CN106175916A (en) * | 2016-07-13 | 2016-12-07 | 苏州苏南捷迈得医疗器械有限公司 | A kind of bone surgery nail-fetching device |
| CN207341802U (en) * | 2017-04-07 | 2018-05-11 | 中国人民解放军总医院 | A kind of screw, which is fixed, takes out auxiliary sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106821488A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106821488B (en) | Auxiliary sleeve for screw fixation and taking out | |
| US20070173745A1 (en) | Rod length measuring instrument | |
| BR112012021929B1 (en) | anchor extender | |
| BR102014025022B1 (en) | REDUCTION FORCEPS | |
| US20130226253A1 (en) | Implant Inserter | |
| CN204890098U (en) | Bore bone object | |
| CN112656469A (en) | Rapid limiting device and rapid limiting method for laparoscopic surgery wound suturing | |
| CN107496008B (en) | Multifunctional fracture reduction guiding forceps | |
| CN202699261U (en) | Patellar fracture reduction fixation guider | |
| CN204049805U (en) | Gun-type reduction forceps | |
| CN203873868U (en) | Pedicle screw rod-holding device for minimally invasive surgery | |
| CN207341802U (en) | A kind of screw, which is fixed, takes out auxiliary sleeve | |
| CN210056203U (en) | Temporary fixing and resetting device for middle-warp cortical bone fracture end in operation | |
| CN210019476U (en) | Nail pushing device of minimally invasive abdominal surgery equipment | |
| US20090157098A1 (en) | Surgical wire closure devices | |
| CN203369958U (en) | Spine orthopedic reset pliers | |
| CN111407333A (en) | Visual micro-incision spreader | |
| CN206836930U (en) | A kind of concertina type bone hammer of replaceable tup | |
| CN109893211A (en) | A kind of minimally invasive abdominal operation equipment clamps together device | |
| CN211325388U (en) | Multifunctional laparoscopic surgical instrument | |
| CN205055158U (en) | Percutaneous passageway expansion pincers | |
| CN220046045U (en) | Device for assisting in closing and resetting fracture of femoral shaft | |
| CN204618393U (en) | A kind of orthopedic kirschner pin extractor | |
| CN210433509U (en) | Retractor for stitching puncture hole of laparoscope | |
| CN211156099U (en) | Percutaneous pedicle screw skin muscle cutter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |