CN210044093U - Bone cement injector for spinal vertebral body bilateral pedicle puncture navigation and positioning - Google Patents
Bone cement injector for spinal vertebral body bilateral pedicle puncture navigation and positioning Download PDFInfo
- Publication number
- CN210044093U CN210044093U CN201920093534.1U CN201920093534U CN210044093U CN 210044093 U CN210044093 U CN 210044093U CN 201920093534 U CN201920093534 U CN 201920093534U CN 210044093 U CN210044093 U CN 210044093U
- Authority
- CN
- China
- Prior art keywords
- bone cement
- positioning
- pedicle
- angle
- bilateral
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a spinal vertebral body bilateral pedicle of vertebral arch puncture navigation positioning bone cement injector, which comprises a central rod, a fixed bracket, an angle bracket and two bone cement push rods symmetrically arranged by taking the central rod as the center, wherein the fixed bracket is provided with two stress control interfaces in sliding connection with the fixed bracket; when the device is used for operation, the bilateral vertebral pedicle is positioned at one time, so that the operation time is shortened, the positioning accuracy is improved, and the operation safety is improved; the mutual interference of positioning the bilateral puncture needles of the bilateral pedicles respectively is avoided in the operation, and the operation time is shortened by injecting bone cement into the bilateral pedicles at the same time; meanwhile, the bilateral pedicle bone cement push rods are provided with the stress control interfaces, so that when bone cement is injected, if the push rod is in a high pressure condition, the injection of the bone cement can be automatically stopped, the risk of leakage of the bone cement is avoided, and the operation risk is reduced.
Description
Technical Field
The utility model relates to a medical treatment and sanitation backbone surgery technical field specifically is a spinal vertebra two sides pedicle of vertebral arch puncture navigation location bone cement injector.
Background
Percutaneous vertebroplasty is an effective surgical treatment method for osteoporotic vertebral compression fracture and destructive lesion of vertebral body, and can obviously improve the stability of vertebral column, relieve or eliminate pain of patients and prevent vertebral body from collapsing. Vertebroplasty is a method of injecting biological materials or high molecular materials, such as bone cement, into a diseased vertebra of a patient through skin with the help of an imaging device, and is an effective surgical method for treating osteoporotic vertebral compression fracture and vertebral tumor, such as vertebroplasty for tumor pathological fracture and inhibiting tumor growth. Patients with compression fractures of the cancellous vertebral body and degenerative changes of the vertebral body often present with severe chest and back or lumbar pain. Conservative treatments are as follows: bed rest and medicine treatment effect are poor and complications are many. Although the internal fixation of the pedicle screw operation can stabilize local vertebral bodies, the trauma is large, especially for patients with multi-segment vertebral body fracture. The percutaneous vertebroplasty has small wound, can treat multiple sections of centrums simultaneously, can quickly relieve pain and improve functional state, and can be used for walking on the ground after the operation for the first day to recover the daily life capacity. When the existing injector is used, certain technical difficulty exists, the pedicles on two sides need to be positioned in an operation respectively, the operation time is prolonged, and the positioning of the pedicles on the two sides interfere with each other, so that the operation risk is increased. The bone cement injection is repeated in the bilateral vertebral pedicle injection process, so that the operation time is prolonged, and the operation risk is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spinal vertebra two sides pedicle of vertebral arch puncture navigation location bone cement injector to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a vertebral pedicle puncture guiding and positioning bone cement injector at both sides of vertebral body comprises a center rod, a fixing bracket, an angle bracket and two bone cement push rods symmetrically arranged by taking the center rod as the center, wherein the fixing bracket is provided with two stress control interfaces in sliding connection with the fixing bracket, the bone cement push rods are inserted in the stress control interfaces and are in sliding connection with the stress control interfaces, the angle bracket is positioned below the fixing bracket, the angle bracket is provided with angle control interfaces in one-to-one correspondence with the stress control interfaces, the angle control interfaces are in sliding connection with the angle bracket, a working sleeve fixedly connected with the angle control interfaces is inserted in the angle control interfaces, the bone cement push rods are inserted in and are in sliding connection with the working sleeves corresponding to the angle bracket, the top of the working sleeve is also provided with a piston outer sleeve, and the piston outer sleeve is sleeved outside the bone cement push rods and is in sliding, the top of the piston outer sleeve is provided with a fixed handle; the angle support is also provided with two pedicle positioning needles corresponding to the working sleeve, and the pedicle positioning needles are connected with the angle support in a sliding manner to enable the distance between the two pedicle positioning needles to be adjustable.
The center of the fixed support is provided with a slidable joint, and the fixed support is connected with the central rod in a sliding manner through the slidable joint; an arc push rod handle is arranged at the top of the bone cement push rod; the angle support surface has the angle scale code and conveniently masters and adjust the angle of two bone cement push rods accurately.
As the preferred scheme of the utility model: the bottom of the central rod is provided with a spinous process position, and the spinous process position is provided with a fork which is U-shaped.
Compared with the prior art, the beneficial effects of the utility model are that: when the device is used for operation, the bilateral vertebral pedicle is positioned at one time, so that the operation time is shortened, the positioning accuracy is improved, and the operation safety is improved; the mutual interference of positioning bilateral puncture needles of bilateral vertebral pedicles respectively is avoided in the operation, and the operation time is shortened by injecting bone cement into the bilateral vertebral pedicles at the same time; meanwhile, the bilateral pedicle bone cement push rods are provided with the stress control interfaces, so that when bone cement is injected, if the push rod is in a high pressure condition, the injection of the bone cement can be automatically stopped, the risk of leakage of the bone cement is avoided, and the operation risk is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a central rod, 2-a slidable joint, 3-a fixed support, 4-a stress control interface, 5-an arc push rod handle, 6-a bone cement push rod, 7-a working sleeve, 8-a piston coat, 9-a fork, 10-a pedicle positioning needle, 11-an angle support and 12-an angle control interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, a spinal vertebral pedicle bilateral puncture navigation positioning bone cement injector comprises a central rod 1, a fixing support 3, an angle support 11 and two bone cement push rods 6 symmetrically arranged by taking the central rod 1 as a center, wherein the fixing support 3 is provided with two stress control interfaces 4 in sliding connection with the fixing support 3, the bone cement push rods 6 are inserted in the stress control interfaces 4 and are in sliding connection with the stress control interfaces 4, the angle support 11 is positioned below the fixing support 3, the angle support 11 is provided with angle control interfaces 12 corresponding to the stress control interfaces 4 one by one, the angle control interfaces 12 are in sliding connection with the angle support 11, a working sleeve 7 fixedly connected with the angle control interfaces 12 is inserted in the angle control interfaces 12, the bone cement push rods 6 are inserted in the working sleeve 7 corresponding to the angle support and are in sliding connection with the working sleeve, the top of the working sleeve 7 is further provided with a piston jacket 8, the piston outer sleeve 8 is sleeved outside the bone cement push rod 6 and is in sliding connection with the bone cement push rod, and the top of the piston outer sleeve 8 is provided with a fixing handle, so that the force application work of the bone cement push rod 6 is facilitated; the angle bracket 11 is also provided with two pedicle positioning needles 10 corresponding to the working sleeve 7, and the two pedicle positioning needles 10 are connected with the angle bracket 11 in a sliding manner, so that the distance between the two pedicle positioning needles 10 is adjustable.
When the device is used for operation, a patient lies on the spine operation frame in a prone position, a fractured vertebral body is positioned and marked under the perspective of a C-shaped arm X-ray machine, the fracture is reset by utilizing an electric waist bridge and a manipulation of an operation bed, and a towel is spread by conventional disinfection; positioning the vertebral pedicle of a fractured vertebral body by a front and back position sheet in a C-shaped arm X-ray machine perspective mode, placing a 1% lidocaine 10ml local anesthesia, placing a vertebral pedicle positioning needle 10 in the device at the outer side edges of vertebral arch inlets at two sides, and then enabling the vertebral pedicle positioning needle to enter the rear edge of the vertebral body by 1cm by utilizing a working sleeve 7 in the device, wherein the entering angle is obtained according to data measured on a CT (computed tomography) sheet before operation, and the direction is consistent with the direction of the vertebral pedicle; dredge the sclerotin pipeline in the working casing with the drill bit, support two side bone cement push rods 6 to centrum front portion again, two sides inject bone cement 6 simultaneously and slowly retreat bone cement push rod 6, if for two sides of lumbar vertebrae respectively inject bone cement volume be 3ml, when injecting, the one side that pressure is big utilizes stress control interface to make to inject bone cement less, prevented bone cement exosmosis, the security of operation has been increased, the position of the high recovery condition of reuse C type arm machine centrum and bone cement after the completion, the operation is finished to the disinfection bandaging.
Specifically, when the surgical operation is performed, the distance between the two pedicle positioning needles 10 can be adjusted by sliding the angle control interface 12 on the angle bracket 11; meanwhile, in order to further improve the adaptability of the device to patients with different body types, the center of the fixed support 3 is provided with a slidable joint 2, and the fixed support 3 is slidably connected with the central rod 1 through the slidable joint 2; meanwhile, in order to conveniently perform injection work, the arc-shaped push rod handle 5 is arranged at the top of the bone cement push rod 6, so that the design of human body mechanics is met, and force is conveniently applied.
Specifically, the angle bracket 11 surface has the angle scale code and conveniently accurately grasps and adjusts the angle of two bone cement push rods 6.
Meanwhile, in order to ensure the movable connection of each part in the device for convenient operation, the diameter of the bone cement push rod 6 is 2.8mm, the outer diameter of the piston outer sleeve 8 is 3.5mm, the inner diameter of the piston outer sleeve 8 is 2.9mm, the outer diameter of the working sleeve 7 is 4.2mm, the inner diameter of the working sleeve is 3.7mm, and the diameter of the pedicle positioning needle 10 is 2 mm.
Example 2:
on the basis of the embodiment 1, the bottom of the central rod 1 is provided with a spinous process position, the spinous process position is provided with a fork 9, the fork 9 is U-shaped, and the fork 9 is used for contacting the center of the back of a patient when the vertebral body is positioned, so that a stable support is provided, and the positioning work is further facilitated.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A bone cement injector for bilateral vertebral pedicle puncture navigation and positioning of vertebral bodies comprises a central rod (1), a fixing bracket (3), an angle bracket (11) and two bone cement push rods (6) symmetrically arranged by taking the central rod (1) as a center, it is characterized in that the fixed bracket (3) is provided with two stress control interfaces (4) which are connected with the fixed bracket in a sliding way, the bone cement push rod (6) is inserted in the stress control interface (4) and is connected with the stress control interface in a sliding way, the angle bracket (11) is positioned below the fixed bracket (3), the angle bracket (11) is provided with angle control interfaces (12) which are in one-to-one correspondence with the stress control interfaces (4), the angle control interfaces (12) are connected with the angle bracket (11) in a sliding way, a working sleeve (7) fixedly connected with the angle control interface (12) is inserted in the angle control interface, the bone cement push rod (6) is inserted into the corresponding working sleeve (7) and is in sliding connection with the working sleeve; the angle support (11) is also provided with two pedicle positioning needles (10) corresponding to the working sleeve (7), and the two pedicle positioning needles (10) are connected with the angle support (11) in a sliding manner, so that the distance between the two pedicle positioning needles (10) can be adjusted.
2. The vertebral pedicle puncture guiding and positioning bone cement injector according to claim 1, wherein the piston casing (8) is provided with a fixed handle at the top.
3. The bone cement injector for the bilateral pedicle puncture navigation and positioning of vertebral bodies of spine according to claim 1, characterized in that the center of the fixing bracket (3) is provided with a slidable joint (2), and the fixing bracket (3) is slidably connected with the central rod (1) through the slidable joint (2).
4. The bilateral pedicle puncture guiding and positioning bone cement injector for vertebral bodies of spine according to claim 1, 2 or 3, characterized in that the top of the bone cement push rod (6) is provided with an arc-shaped push rod handle (5).
5. The vertebral pedicle puncture guiding and positioning bone cement injector according to claim 1, 2 or 3, wherein a piston outer sleeve (8) is further arranged at the top of the working sleeve (7), and the piston outer sleeve (8) is sleeved outside the bone cement push rod (6) and is in sliding connection with the bone cement push rod.
6. The bilateral pedicle puncture navigation and positioning bone cement injector for vertebral bodies of spine according to claim 1, 2 or 3, wherein the angle bracket (11) has angle scale marks on the surface thereof to facilitate accurate grasping and adjustment of the angles of the two bone cement push rods (6).
7. The vertebral column vertebral body bilateral pedicle penetration navigation and positioning bone cement injector according to claim 1, 2 or 3, wherein the bottom of the center rod (1) is provided with a spinous process position, and a fork (9) is arranged on the spinous process position, and the fork (9) is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920093534.1U CN210044093U (en) | 2019-01-21 | 2019-01-21 | Bone cement injector for spinal vertebral body bilateral pedicle puncture navigation and positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920093534.1U CN210044093U (en) | 2019-01-21 | 2019-01-21 | Bone cement injector for spinal vertebral body bilateral pedicle puncture navigation and positioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210044093U true CN210044093U (en) | 2020-02-11 |
Family
ID=69376904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920093534.1U Expired - Fee Related CN210044093U (en) | 2019-01-21 | 2019-01-21 | Bone cement injector for spinal vertebral body bilateral pedicle puncture navigation and positioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210044093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549692A (en) * | 2019-01-21 | 2019-04-02 | 王昶 | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector |
-
2019
- 2019-01-21 CN CN201920093534.1U patent/CN210044093U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549692A (en) * | 2019-01-21 | 2019-04-02 | 王昶 | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104287815B (en) | 3D printing percutaneous vertebral pedicle guide plate, preparation method of 3D printing percutaneous vertebral pedicle guide plate, and using method of 3D printing percutaneous vertebral pedicle guide plate | |
| US8606348B2 (en) | System and method for performing at least one of a vertebroplasty procedure, a kyphoplasty procedure, an electroencephalography (EEG) procedure and intraoperative electromyography (EMG) procedure using a robot-controlled imaging system | |
| CN203915053U (en) | 3D prints percutaneous cervical arc root guide plate | |
| Li et al. | 3-Dimensional printing guide template assisted percutaneous vertebroplasty | |
| Yuan et al. | Learning curve of robot-assisted percutaneous kyphoplasty for osteoporotic vertebral compression fractures | |
| CN109549692A (en) | A kind of spinal vertebral bilateral vertebral pedicle puncture navigator fix bone cement injector | |
| CN204600687U (en) | Thoracolumbar disk vertebroplasty Unipedicular approach positioning and guiding sting device | |
| Tang et al. | Efficacy of percutaneous kyphoplasty in treating osteoporotic multithoracolumbar vertebral compression fractures | |
| CN210044093U (en) | Bone cement injector for spinal vertebral body bilateral pedicle puncture navigation and positioning | |
| CN204468234U (en) | Operation starts shirtfront pedicle of lumbar vertebral arch skin penetrating point fast-positioning device | |
| CN104173101B (en) | Device for constructing dilator channel under unilateral pedicle admission passage condition | |
| CN203252731U (en) | Personalized fixing auxiliary device in lumbar vertebra | |
| Gruetzner et al. | Navigation using fluoro-CT technology: Concept and clinical experience in a new method for intraoperative navigation | |
| Li et al. | A comparison of robot-assisted and fluoroscopy-assisted kyphoplasty in the treatment of multi-segmental osteoporotic vertebral compression fractures | |
| CN211985710U (en) | Positioner used before and during thoracolumbar surgery | |
| CN204049825U (en) | A kind of Unipedicular approach builds the device of dilator passage | |
| Merloz et al. | Computer-assisted versus manual spine surgery: clinical report | |
| CN112842505A (en) | Percutaneous minimally invasive hollow screw internal fixation guiding positioner for femoral neck and intertrochanteric fracture | |
| RU2452424C1 (en) | Transpedicular screw for carrying out stabilising operations on spine in case of insufficient mineral density of bone tissue | |
| CN207384308U (en) | For the puncture cannula device of spinal vertebral operation | |
| Marangoz et al. | Shoulder traction device for enhanced conventional fluoroscopy during cervical spine operations | |
| CN213465277U (en) | Multifunctional rotary type vertebral body forming kit | |
| CN113229954B (en) | Positioning device used before percutaneous pedicle puncture operation | |
| Hu et al. | Thoracolumbar osteoporotic vertebral compression fracture treatment by unilateral percutaneous vertebroplasty using curved diffusion needle | |
| CN109276303A (en) | Cement reaction screw and bone cement injection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20220121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |