CN2623180Y - Fixer for excising intervertebral disk from the back - Google Patents
Fixer for excising intervertebral disk from the back Download PDFInfo
- Publication number
- CN2623180Y CN2623180Y CN 03226607 CN03226607U CN2623180Y CN 2623180 Y CN2623180 Y CN 2623180Y CN 03226607 CN03226607 CN 03226607 CN 03226607 U CN03226607 U CN 03226607U CN 2623180 Y CN2623180 Y CN 2623180Y
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- China
- Prior art keywords
- free arm
- universal joint
- pole
- fixture
- escape
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Abstract
A fixer for excising intervertebral disk from the back comprises a free arm which can be provided with an operation channel, a supporting rod and a fixation block which is arranged on the supporting rod and can be connected with an operation table. The utility model is characterized in that the free arm comprises a plurality of gimbals in serial connection through ropes, wherein one end of the free arm is provided with a core axis connected with the operation channel, and integrated with one end of the rope and the former gimbals, wherein the connection part between the end gimbals of the free arm and the supporting rod is provided with a lock mechanism which can adjust the tightness degree of the free arm. The utility model adopts the free arm comprising a plurality of gimbals in serial connection through the ropes to make each section of the free arm curved, with the feasibility of displacement of the whole free arm within a larger scope, thereby greatly facilitating the operation. Meanwhile, the lock mechanism on the connection part between the free arm and the supporting rod can adjust the tension of the free arm at any moment to adapt to the variation of curved degrees of the free arm, thereby ensuring the reasonable relative position between the fixation device and the operational table.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, the fixture of particularly a kind of minimally invasive spine surgery through way of escape discectomy.
Background technology
The minimally invasive spine surgery is the another field of spinal surgery develop rapidly after the internal fixation of spine technology in recent years, it mainly comprises two class technology, the one, the percutaneous puncture technology, mainly contain nucleus pulposus the dissolving skill, percutaneous disc removal art, percutaneous intervertebral disc laser ablation art, the 2nd, endoscope's ancillary technique, mainly contain neck lumbar intervertebral disc operation, peritoneoscope lower lumbar spine clearance of focal lesion etc., and be one of more vertebral column minimally invasive new technique of present clinical practice in above-mentioned minimally-invasive treatment field, through the posterior intervertebral-disc-scope technology.Tradition is through way of escape diskectomy, because its excision wound is bigger, the post-operative recovery time is grown and is replaced through the posterior intervertebral-disc-scope surgery systems by a kind of gradually, this surgery systems is little owing to having wound, recover fast, and treat and hand over the approval that definitely obtains numerous medical workers and patient, above-mentioned intervertebral disc operation system is mainly by fixture, endoscopic imaging device and operating theater instruments constitute, wherein fixture is to implement " work platforms " of this operation, the existing fixed device mainly is equipped with the free arm of operation path pipe by an end and can supports and make the pole of free arm swing to form, and wherein pole one end is equipped with the fixed block that is connected with operating-table.This fixture adopts a metallic rod because of free arm, when the need adjustment type changes the position, need to realize by the retaining mechanism that unclamps on the pole, such structure is inconvenient in operation obviously, the metallic rod axis is on the same vertical plane in the operation path pipe axis of front end with device in addition, so not only when operation influence the medical worker observation, and make troubles because of the too near operation of free arm and patient's distance to the doctor.
Summary of the invention
The purpose of this utility model is to provide a kind of accurate positioning reliable at above-mentioned existing problems, and is easy to adjust and have a high-intensity fixture through way of escape discectomy.
The technical solution of the utility model is achieved in that
A kind of fixture through way of escape discectomy, comprise free arm, the pole that to install the operation path pipe and be arranged at the fixed block that pole is gone up and can be connected with operating-table, it is characterized in that described free arm is formed by the rope serial connection by the more piece universal joint, one end of this free arm is provided with the mandrel that is connected with the operation path pipe and fuses with rope one end and prime universal joint, and this free arm final stage universal joint and pole joint portion are provided with the locking mechanism of scalable free arm elasticity.
This utility model is owing to adopted the free arm that is formed by the rope serial connection by the more piece universal joint, make each Duan Junke of free arm do crooked, and whole free arm also can be made evolution in a big way, greatly facilitate the operation of operation, and the locking mechanism of the scalable free arm degree of tightness that is provided with in free arm and pole joint portion, can regulate the tension force of free arm at any time,, guarantee the reasonable of fixture and operating-table relative position to adapt to the variation of the differently curved degree of free arm.
Description of drawings
Fig. 1 is an axonometric chart of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the structural representation of this utility model band broken section;
Fig. 4 is the N-N cutaway view of Fig. 3.
The specific embodiment
This utility model such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of fixture through way of escape discectomy, comprise free arm 2, the pole 3 that to install operation path pipe 1 and be arranged on the pole 3 and the fixed block 4 that can be connected with operating-table, be characterized in that described free arm 2 is formed by rope 6 serial connections by more piece universal joint 5, one end of this free arm 2 is provided with the mandrel 7 that is connected with operation path pipe 1 and fuses with rope 6 one ends and prime universal joint 51, and these free arm 2 final stage universal joints 52 and pole 3 joint portions are provided with the locking mechanism 8 of scalable free arm 2 elasticities.For guaranteeing to have adjustability between every joint universal joint, and have and rotate flexible, sealed reliable characteristics, the two ends of above-mentioned each universal joint 5 are respectively equipped with a hemispheric convex surface 5a and a dished cambered surface 5b, and make it to be concatenated into one by the hemispherical convex surface that can coincide mutually and the combination of hemispherical concave surface respectively between adjacent two universal joints 5.Because the length of free arm is longer, for guaranteeing that it can freely change the pendulum location and it has certain rigidity simultaneously, above-mentioned more piece universal joint 5 is made of some pipe nipples and two meropodiums at least, is wherein isolated by some pipe nipples between two meropodiums.Above-mentioned universal joint is to form by the rope serial connection, the head joint of universal joint and minor details are equipped with can be with the mechanism of lanyard, concrete structure is that above-mentioned more piece universal joint 5 is axially arranged with the through hole that passes for rope 6 along the center, the chopped-off head universal joint 51 of this more piece universal joint 5 is respectively equipped with the screw that is connected with pole 3 upper ends with mandrel 7 with final stage universal joint 52 1 ends, and the upper end of above-mentioned mandrel 7 lower ends and pole 3 is respectively equipped with chopped-off head universal joint 51 and final stage universal joint screw 52 spin mutually and is with externally threaded bar axle.Be provided with for rope 6 insertions and by welding the fabrication hole that fuses with mandrel 7 in mandrel 7 lower ends, upper end edge at mandrel 7 is axially arranged with a tangent plane 71, this tangent plane 71 radially is provided with an end face trip bolt 72 that is spirally connected with tangent plane 71, forms a slot for the insertion of operation path pipe bottom between end face trip bolt 72 and tangent plane 71.For elasticity, the intensity that makes universal joint has easy to adjust, above-mentioned locking mechanism 8 comprises the shank of the key 81 that is arranged at pole 3 thread segments and is arranged at the internal ring 82 of pole 3 endoporus, wherein: described pole thread segment has a symmetrical long slot bore 83 vertically, be provided with an annular groove 84 in described shank of the key 81 internal thread holes, described internal ring 82 and pole 3 endoporus are for movingly, outside internal ring 82, be provided with a pair of lug 85 that passes pole 3 long slot bores 83 and snap in shank of the key 81 inner grooves 84, be provided with for rope 6 at internal ring 82 ring cores and pass by welding its fabrication hole that fuses.Easy to adjust laborsaving for making, above-mentioned shank of the key 81 outer ends are provided with a pair of locking bar 86.Be tension force and the intensity of guaranteeing free arm, above-mentioned rope 6 is the steel wire rope by some finer wire coilings.In addition, more identical for the front end and the Human Physiology that make the operation path pipe, in order to the carrying out of operation, the body leading portion of above-mentioned operation path pipe 1 is an inclined-plane, and its body length is 3～6mm.Be connected in series the free arm that forms by rope by the more piece universal joint, make each Duan Junke of free arm do crooked, and whole free arm also can be made evolution in a big way, greatly facilitate the operation of operation, and the locking mechanism of the scalable free arm degree of tightness that is provided with in free arm and pole joint portion, can regulate the tension force of free arm at any time,, guarantee the reasonable of fixture and operating-table relative position to adapt to the variation of the differently curved degree of free arm.
Claims (9)
1, a kind of fixture through way of escape discectomy, comprise the free arm (2) that can install operation path pipe (1), pole (3) and be arranged at the fixed block (4) that pole (3) is gone up and can be connected with operating-table, it is characterized in that described free arm (2) is formed by rope (6) serial connection by more piece universal joint (5), one end of this free arm (2) is provided with the mandrel (7) that is connected with operation path pipe (1) and fuses with rope (6) one ends and prime universal joint (51), and this free arm (2) final stage universal joint (52) and pole (3) joint portion are provided with the locking mechanism (8) of scalable free arm (2) elasticity.
2, the fixture through way of escape discectomy according to claim 1, the two ends that it is characterized in that above-mentioned each universal joint (5) are respectively equipped with a hemispheric convex surface (5a) and a dished cambered surface (5b), and make it to be concatenated into one by the hemispherical convex surface that can coincide mutually and the combination of hemispherical concave surface respectively between adjacent two universal joints (5).
3, the fixture through way of escape discectomy according to claim 1 is characterized in that above-mentioned more piece universal joint (5) is made of some pipe nipples and two meropodiums at least, is wherein isolated by some pipe nipples between two meropodiums.
4, the fixture through way of escape discectomy according to claim 1, it is characterized in that above-mentioned more piece universal joint (5) is axially arranged with the through hole that passes for rope (6) along the center, the chopped-off head universal joint (51) of this more piece universal joint (5) and final stage universal joint (52) one ends are respectively equipped with the screw that is connected with pole (3) upper end with mandrel (7), and the upper end of above-mentioned mandrel (7) lower end and pole (3) is respectively equipped with chopped-off head universal joint (51) and final stage universal joint screw (52) spin mutually and is with externally threaded bar axle.
5, the fixture through way of escape discectomy according to claim 1, it is characterized in that being provided with for rope (6) insertion and by welding the fabrication hole that fuses with mandrel (7) in mandrel (7) lower end, upper end edge at mandrel (7) is axially arranged with a tangent plane (71), this tangent plane (71) radially is provided with an end face trip bolt (72) that is spirally connected with tangent plane (71), forms a slot for the insertion of operation path pipe bottom between end face trip bolt (72) and tangent plane (71).
7, fixture through way of escape discectomy according to claim 1, it is characterized in that above-mentioned locking mechanism (8) comprises the shank of the key (81) that is arranged at pole (3) thread segment and is arranged at the internal ring (82) of pole (3) endoporus, wherein: described pole thread segment has a symmetrical long slot bore (83) vertically, be provided with an annular groove (84) in described shank of the key (81) internal thread hole, described internal ring (82) and pole (3) endoporus are for movingly, outside internal ring (82), be provided with a pair of lug (85) that passes pole (3) long slot bore (83) and snap in shank of the key (81) inner groove (84), be provided with for rope (6) at internal ring (82) ring core and pass by welding its fabrication hole that fuses.
7, the fixture through way of escape discectomy according to claim 6 is characterized in that above-mentioned shank of the key (81) outer end is provided with a pair of locking bar (86).
8, the fixture through way of escape discectomy according to claim 1 is characterized in that above-mentioned rope (6) is the steel wire rope by some finer wire coilings.
9, the fixture through way of escape discectomy according to claim 1, the body leading portion that it is characterized in that above-mentioned operation path pipe (1) is an inclined-plane, its body length is 3～6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226607 CN2623180Y (en) | 2003-05-29 | 2003-05-29 | Fixer for excising intervertebral disk from the back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03226607 CN2623180Y (en) | 2003-05-29 | 2003-05-29 | Fixer for excising intervertebral disk from the back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2623180Y true CN2623180Y (en) | 2004-07-07 |
Family
ID=34246675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03226607 Expired - Fee Related CN2623180Y (en) | 2003-05-29 | 2003-05-29 | Fixer for excising intervertebral disk from the back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2623180Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103126751A (en) * | 2013-01-31 | 2013-06-05 | 毛克亚 | Novel high polymer material spine minimal invasion expandable channel system with internally arranged optical fibers |
| CN103126752A (en) * | 2013-01-31 | 2013-06-05 | 毛克亚 | Novel high polymer material spine minimal invasion expandable channel system with internally arranged light-emitting diode (LED) light sources |
| CN104736077A (en) * | 2012-04-20 | 2015-06-24 | 基万·史蒂文·辛格 | Repositionable medical instrument support systems, devices, and methods |
| CN105832423A (en) * | 2016-06-13 | 2016-08-10 | 傅强 | Endoscope fixing arm for operation |
| CN109048973A (en) * | 2018-09-30 | 2018-12-21 | 芜湖顺威精密塑料有限公司 | A kind of modified flabellum clamping tooling |
-
2003
- 2003-05-29 CN CN 03226607 patent/CN2623180Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104736077A (en) * | 2012-04-20 | 2015-06-24 | 基万·史蒂文·辛格 | Repositionable medical instrument support systems, devices, and methods |
| CN104736077B (en) * | 2012-04-20 | 2017-03-15 | 基万·史蒂文·辛格 | Reducible medicine equipment support system, apparatus and method |
| CN103126751A (en) * | 2013-01-31 | 2013-06-05 | 毛克亚 | Novel high polymer material spine minimal invasion expandable channel system with internally arranged optical fibers |
| CN103126752A (en) * | 2013-01-31 | 2013-06-05 | 毛克亚 | Novel high polymer material spine minimal invasion expandable channel system with internally arranged light-emitting diode (LED) light sources |
| CN103126752B (en) * | 2013-01-31 | 2015-10-07 | 毛克亚 | The expansible channel system of novel high polymer material built-in LED light source vertebral column minimally invasive |
| CN103126751B (en) * | 2013-01-31 | 2015-10-07 | 毛克亚 | The expansible channel system of novel high polymer material built-in fiber vertebral column minimally invasive |
| CN105832423A (en) * | 2016-06-13 | 2016-08-10 | 傅强 | Endoscope fixing arm for operation |
| CN109048973A (en) * | 2018-09-30 | 2018-12-21 | 芜湖顺威精密塑料有限公司 | A kind of modified flabellum clamping tooling |
| CN109048973B (en) * | 2018-09-30 | 2024-04-02 | 芜湖顺威精密塑料有限公司 | Improved generation flabellum presss from both sides and gets frock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040707 Termination date: 20100529 |