CN112244909A - Spinal nerve distraction device - Google Patents
Spinal nerve distraction device Download PDFInfo
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- CN112244909A CN112244909A CN202011173326.6A CN202011173326A CN112244909A CN 112244909 A CN112244909 A CN 112244909A CN 202011173326 A CN202011173326 A CN 202011173326A CN 112244909 A CN112244909 A CN 112244909A
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- rod
- auxiliary
- spinal nerve
- distraction device
- support rod
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B2017/0212—Cushions or pads, without holding arms, as tissue retainers, e.g. for retracting viscera
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B2090/103—Cranial plugs for access to brain
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medical Informatics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a spinal nerve distraction device, which relates to the technical field of medical instruments and comprises a main support rod and an auxiliary support rod, wherein the auxiliary support rod is movably arranged on the main support rod and is provided with a locking part, and bone nailing needles are movably arranged on the main support rod and the auxiliary support rod. Can push away nerves stably for a long time, keep clear operation visual field and facilitate the operation.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a spinal nerve distraction device.
Background
The lumbar intervertebral disc protrusion is one of the more common diseases, mainly because each part of the lumbar intervertebral disc (nucleus pulposus, annulus fibrosus and cartilage plates), especially the nucleus pulposus, has degenerative changes of different degrees, under the action of external force factors, the annulus fibrosus of the intervertebral disc is ruptured, and nucleus pulposus tissues protrude (or are separated) from the ruptured part to the back or the vertebral canal, so that adjacent spinal nerve roots are stimulated or pressed, and a series of clinical symptoms such as lumbar pain, numbness and pain of one lower limb or two lower limbs are generated. The incidence of lumbar intervertebral disc protrusion is highest in 4-5 parts of the waist and 5-1 parts of the waist, and accounts for about 95 percent.
When lumbar disc herniation is treated through an operation, a patient enters from a waist incision of the patient, partial vertebral plates and ligamentum flavum are cut off, a dura mater sac and nerve roots are exposed, the operation is convenient, the dura mater sac and the nerve roots need to be pushed aside in the operation, a clear operation visual field is provided for a doctor, a horsetail and walking nerve roots in the dura mater sac need to be pushed away temporarily, at present, a nerve retractor is usually used to be matched with a nerve stripper to assist in pushing away and keep for a certain time, however, in the operation process, two instruments for pushing away nerves need to be supported by hands of an assistant, the operation visual field of a main knife is affected, meanwhile, the correct positions of the instruments are easily affected by the operation, the instruments are held by a hand of the user, the operation visual field cannot be.
Disclosure of Invention
In order to solve the problems, the invention designs the spinal nerve distraction device which can push away nerves stably for a long time, keep a clear operation visual field and facilitate the operation.
In order to solve the above technical problems and achieve the above technical effects, the present invention is implemented by the following technical contents:
a spinal nerve distraction device comprises a main support rod and an auxiliary support rod, wherein the auxiliary support rod is movably arranged on the main support rod and is provided with a locking piece, and nail bone needles are movably arranged on the main support rod and the auxiliary support rod.
Furthermore, the main support rod comprises a handle, a transition rod, a rod body and a rod head, wherein the handle is made of wood and is arranged at an angle of 90 degrees with the transition rod, the transition rod is arc-shaped, one end of the transition rod, which is far away from the handle, is connected with the rod body, the axis of the transition rod is coincident with that of the rod body, the rod body is of a flat structure, and the rod head and the rod body form an L shape; the junction of the club body and the club head, the club body and the edge of the club head are all smooth transitions.
Furthermore, be equipped with the cutting ferrule on the transition pole, the cutting ferrule is that two parallel rings in axle center, No. two rings are connected and is formed, and a ring fixed mounting is on the transition pole, and No. two rings are connected with vice vaulting pole.
Furthermore, an included angle is formed between the axis of the second circular ring and the plane where the rod body is located, so that the outer wall of the auxiliary stay rod is in contact with the outer wall of the rod body after the auxiliary stay rod is installed in the second circular ring, and a space exists between the axis of the auxiliary stay rod and the axis of the rod body.
Furthermore, the auxiliary support rod comprises an auxiliary rod and an opening plate, one end of the auxiliary rod is connected with the opening plate, the other end of the auxiliary rod is arranged in the second circular ring, and a screw head is arranged at the end head of the auxiliary rod; the edges of the spreader plates are in smooth transition.
Furthermore, the locking piece is a stud arranged on the second circular ring.
Furthermore, a positioning sleeve is arranged on the rod body and is positioned on the back surface of the rod body far away from the handle; the bone nailing needle is arranged in the positioning sleeve.
Furthermore, a guide sleeve is arranged on the opening plate and is positioned on the side surface of the rotating pair stay bar, which is opposite to the opening plate and the bar body; the bone nailing needle is arranged in the guide sleeve.
Another object of the present invention is to provide an application of a spinal nerve distraction device in treating lumbar disc herniation, wherein the spinal nerve distraction device comprises:
when the device is used for treating lumbar disc herniation, the main nerves of the brain are poked and stably connected by the handheld handle in the direction of the nerves by using the rod head on the main supporting rod, the auxiliary supporting rod rotates by rotating the screw head on the auxiliary supporting rod, the supporting plate on the auxiliary supporting rod supports the nerves, the positions between the main supporting rod and the auxiliary supporting rod are fixed by using the locking part, the nail bone needles on the main supporting rod and the auxiliary supporting rod are driven into the bones to fix the whole spinal nerve supporting device, a good operation visual field is kept, and the operation is convenient to carry out.
The invention has the beneficial effects that:
1. the main supporting rod and the auxiliary supporting rod can be used for supporting the main nerves and the branch nerves, so that the visual field of the operation is exposed, and the operation is convenient to carry out; the angle between the main supporting rod and the auxiliary supporting rod is adjustable, so that nerves can be propped open to different degrees according to the operation requirement, and different requirements can be met.
2. Through the arrangement of the main support rod, the auxiliary support rod and the bone nailing needle, the spinal nerve distraction device can be fixed on the bone body of an operation area while the nerve exposure operation visual field is distracted, so that the nerve exposure distraction visual field is more stable, and the operation is convenient to carry out.
3. The edges and the side walls of the main support rod and the auxiliary support rod are smoothed, so that the spinal nerve distraction device can be prevented from damaging nerves when being distracted.
4. The fixing sleeve and the guide sleeve are arranged on the opposite side surfaces when the nerves are spread, so that the nerves can be prevented from being damaged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a spinal nerve distraction device according to the invention;
FIG. 2 is a schematic structural diagram of a main supporting rod of the spinal nerve distraction device of the invention;
FIG. 3 is a schematic view of a secondary support rod of the spinal nerve distraction device of the invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-main supporting rod, 101-handle, 102-transition rod, 103-rod body, 104-rod head, 2-auxiliary supporting rod, 201-auxiliary rod, 202-expanding plate, 203-guide sleeve, 204-screw head, 3-spicule, 4-first circular ring, 5-second circular ring and 6-locking piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For a more clear description of the invention, the following description is made with reference to specific embodiments:
example 1
Referring to fig. 1-3, a spinal nerve distraction device comprises a main support rod 1 and an auxiliary support rod 2, wherein the auxiliary support rod 2 is movably mounted on the main support rod 1 and is provided with a locking member 6, and the main support rod 1 and the auxiliary support rod 2 are both movably provided with bone nailing needles 3.
The main support rod 1 comprises a handle 101, a transition rod 102, a rod body 103 and a rod head 104, wherein the handle 101 is made of wood and is arranged at an angle of 90 degrees with the transition rod 102, the transition rod 102 is arc-shaped, one end, far away from the handle 104, of the transition rod 102 is connected with the rod body 103, the axis of the transition rod is coincident with that of the rod body 103, the rod body 103 is of a flat structure, and the rod head 104 and the rod body 103 form an L shape; the junction between the shaft 103 and the head 104, and the edges of the shaft 103 and the head 104 are smooth transitions.
Be equipped with the cutting ferrule on transition pole 102, the cutting ferrule is formed by connecting two parallel rings 4 of axle center, No. two rings 5, and No. one ring 4 fixed mounting is on transition pole 102, and No. two rings 5 are connected with auxiliary stay bar 2.
An included angle is formed between the axis of the second circular ring 5 and the plane where the rod body 103 is located, so that the outer wall of the auxiliary stay 2 is in contact with the outer wall of the rod body 103 after the auxiliary stay 2 is installed in the second circular ring 5, and a distance exists between the axis of the auxiliary stay 2 and the axis of the rod body 103.
The auxiliary stay bar 2 comprises an auxiliary stay bar 201 and an opening plate 202, one end of the auxiliary stay bar 201 is connected with the opening plate 202, the other end of the auxiliary stay bar is arranged in the second circular ring 5, and a screw head 204 is arranged at the end head; the edges of the spreader plate 202 are in a smooth transition.
The locking piece 6 is a stud arranged on the second circular ring 5.
The shaft 103 is provided with a positioning sleeve, and the positioning sleeve is positioned on the back of the shaft 103 far away from the handle 101; the opening plate 202 is provided with a guide sleeve 203, and the guide sleeve 203 is positioned on the side surface of the opening plate 202 opposite to the rod body 103 behind the revolute pair stay bar 2; the bone nailing needle 3 is arranged in the positioning sleeve and the guide sleeve 203.
Example 2
The invention is used as a spinal nerve distraction device for treating lumbar disc herniation, and has the specific application that:
the handheld handle is used for poking and stably connecting the main nerves of the brain by the rod head on the main support rod towards the direction of the nerves, the screw head on the auxiliary support rod is rotated to rotate the auxiliary support rod, the distraction plate on the auxiliary support rod distracts the nerves, the locking part is used for fixing the position between the main support rod and the auxiliary support rod, and the nail bone needles on the main support rod and the auxiliary support rod are driven into the bones to fix the whole spinal nerve distraction device, so that a good operation visual field is kept, and the operation is convenient to carry out.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. A spinal nerve distraction device, comprising: the bone nailing machine comprises a main support rod and an auxiliary support rod, wherein the auxiliary support rod is movably arranged on the main support rod and is provided with a locking part, and bone nailing needles are movably arranged on the main support rod and the auxiliary support rod.
2. The spinal nerve distraction device of claim 1, wherein: the main support rod comprises a handle, a transition rod, a rod body and a rod head, wherein the handle is made of wood and is arranged at an angle of 90 degrees with the transition rod, the transition rod is arc-shaped, one end of the transition rod, which is far away from the handle, is connected with the rod body, the axis of the transition rod is coincident with that of the transition rod, the rod body is of a flat structure, and the rod head and the rod body form an L shape; the junction of the club body and the club head, the club body and the edge of the club head are all smooth transitions.
3. The spinal nerve distraction device of claim 2, wherein: be equipped with the cutting ferrule on the transition pole, the cutting ferrule forms for two parallel rings in axle center, No. two rings are connected, and a ring fixed mounting is on the transition pole, and No. two rings are connected with vice vaulting pole.
4. The spinal nerve distraction device of claim 3, wherein: the axis of the second circular ring forms an included angle with the plane where the rod body is located, so that the outer wall of the auxiliary stay rod is in contact with the outer wall of the rod body after the auxiliary stay rod is installed in the second circular ring, and a space exists between the axis of the auxiliary stay rod and the axis of the rod body.
5. The spinal nerve distraction device of claim 4, wherein: the auxiliary support rod comprises an auxiliary rod and an opening plate, one end of the auxiliary rod is connected with the opening plate, the other end of the auxiliary rod is arranged in the second circular ring, and a screw head is arranged at the end head of the auxiliary rod; the edges of the spreader plates are in smooth transition.
6. The spinal nerve distraction device of any one of claims 3, 4, and 5, wherein: the retaining member is a stud arranged on the second circular ring.
7. The spinal nerve distraction device of claim 2, wherein: the rod body is provided with a positioning sleeve, and the positioning sleeve is positioned on the back surface of the rod body far away from the handle; the bone nailing needle is arranged in the positioning sleeve.
8. The spinal nerve distraction device of claim 4, wherein: the opening plate is provided with a guide sleeve, and the guide sleeve is positioned on the side surface of the opening plate opposite to the rod body behind the rotating pair supporting rod; the bone nailing needle is arranged in the guide sleeve.
9. Use of a spinal nerve distraction device of any of claims 1, 2, 3, 4, 5, 7, 8 for treating lumbar disc herniation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011173326.6A CN112244909B (en) | 2020-10-28 | 2020-10-28 | Spinal nerve distraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011173326.6A CN112244909B (en) | 2020-10-28 | 2020-10-28 | Spinal nerve distraction device |
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| Publication Number | Publication Date |
|---|---|
| CN112244909A true CN112244909A (en) | 2021-01-22 |
| CN112244909B CN112244909B (en) | 2021-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011173326.6A Active CN112244909B (en) | 2020-10-28 | 2020-10-28 | Spinal nerve distraction device |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154395A1 (en) * | 2004-01-13 | 2005-07-14 | Robbins Daniel S. | Combined distractor and retractor instrument and methods |
| CN102319118A (en) * | 2011-08-30 | 2012-01-18 | 山东冠龙医疗用品有限公司 | Neural traction protector |
| CN204428088U (en) * | 2015-01-15 | 2015-07-01 | 中国人民解放军第四军医大学 | A kind of low incisura fixable type arc nerve hook |
| CN205339026U (en) * | 2016-01-06 | 2016-06-29 | 苏欣 | Neurosurgery surgery retractor |
| CN205359557U (en) * | 2016-02-05 | 2016-07-06 | 中国人民解放军南京军区南京总医院 | Nerve root protection osteotome |
| US9408598B1 (en) * | 2015-05-18 | 2016-08-09 | Altus Partners, Llc | Systems and methods for accessing an intervertebral disc space in a body of a patient |
| CN105982707A (en) * | 2016-05-20 | 2016-10-05 | 上海三友医疗器械股份有限公司 | Wire retractor assembly for lumber interbody fusion and using method thereof |
| CN209474690U (en) * | 2018-07-27 | 2019-10-11 | 重庆医科大学附属第三医院(捷尔医院） | A kind of novel lumbar surgical denervation drag hook |
| CN210811237U (en) * | 2019-07-15 | 2020-06-23 | 上海市静安区闸北中心医院(上海长征医院闸北分院) | Full-automatic accurate neurodura mater protection device |
| CN211155958U (en) * | 2019-08-19 | 2020-08-04 | 李夏林 | Novel nerve retractor |
| CN211355636U (en) * | 2019-10-18 | 2020-08-28 | 胡方委 | Nerve pull hook capable of reducing epidural sac injury |
| CN211409256U (en) * | 2019-11-01 | 2020-09-04 | 张玉信 | Nerve stripping device with guide structure |
-
2020
- 2020-10-28 CN CN202011173326.6A patent/CN112244909B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050154395A1 (en) * | 2004-01-13 | 2005-07-14 | Robbins Daniel S. | Combined distractor and retractor instrument and methods |
| CN102319118A (en) * | 2011-08-30 | 2012-01-18 | 山东冠龙医疗用品有限公司 | Neural traction protector |
| CN204428088U (en) * | 2015-01-15 | 2015-07-01 | 中国人民解放军第四军医大学 | A kind of low incisura fixable type arc nerve hook |
| US9408598B1 (en) * | 2015-05-18 | 2016-08-09 | Altus Partners, Llc | Systems and methods for accessing an intervertebral disc space in a body of a patient |
| CN205339026U (en) * | 2016-01-06 | 2016-06-29 | 苏欣 | Neurosurgery surgery retractor |
| CN205359557U (en) * | 2016-02-05 | 2016-07-06 | 中国人民解放军南京军区南京总医院 | Nerve root protection osteotome |
| CN105982707A (en) * | 2016-05-20 | 2016-10-05 | 上海三友医疗器械股份有限公司 | Wire retractor assembly for lumber interbody fusion and using method thereof |
| CN209474690U (en) * | 2018-07-27 | 2019-10-11 | 重庆医科大学附属第三医院(捷尔医院） | A kind of novel lumbar surgical denervation drag hook |
| CN210811237U (en) * | 2019-07-15 | 2020-06-23 | 上海市静安区闸北中心医院(上海长征医院闸北分院) | Full-automatic accurate neurodura mater protection device |
| CN211155958U (en) * | 2019-08-19 | 2020-08-04 | 李夏林 | Novel nerve retractor |
| CN211355636U (en) * | 2019-10-18 | 2020-08-28 | 胡方委 | Nerve pull hook capable of reducing epidural sac injury |
| CN211409256U (en) * | 2019-11-01 | 2020-09-04 | 张玉信 | Nerve stripping device with guide structure |
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| CN112244909B (en) | 2021-11-05 |
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