CN213075888U - Pelvic fracture posterior ring minimally invasive stabilization system guide plate - Google Patents
Pelvic fracture posterior ring minimally invasive stabilization system guide plate Download PDFInfo
- Publication number
- CN213075888U CN213075888U CN202021479248.8U CN202021479248U CN213075888U CN 213075888 U CN213075888 U CN 213075888U CN 202021479248 U CN202021479248 U CN 202021479248U CN 213075888 U CN213075888 U CN 213075888U
- Authority
- CN
- China
- Prior art keywords
- guide plate
- minimally invasive
- side guide
- stabilization system
- rear guide
- 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
- 230000006641 stabilisation Effects 0.000 title claims description 13
- 238000011105 stabilization Methods 0.000 title claims description 13
- 206010034246 Pelvic fractures Diseases 0.000 title claims description 11
- 210000003692 ilium Anatomy 0.000 claims description 6
- 238000010146 3D printing Methods 0.000 claims description 4
- 210000004197 pelvis Anatomy 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 8
- 210000003205 muscle Anatomy 0.000 abstract description 5
- 208000014674 injury Diseases 0.000 abstract description 4
- 230000008733 trauma Effects 0.000 abstract description 4
- 208000010392 Bone Fractures Diseases 0.000 description 10
- 206010017076 Fracture Diseases 0.000 description 10
- 210000000988 bone and bone Anatomy 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000002591 computed tomography Methods 0.000 description 5
- 210000004872 soft tissue Anatomy 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000001621 ilium bone Anatomy 0.000 description 2
- 210000005036 nerve Anatomy 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 206010021343 Ilium fracture Diseases 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Landscapes
- Surgical Instruments (AREA)
Abstract
The utility model discloses a pelvis fracture back ring minimal access to stable system baffle, include: a rear guide plate and a side guide plate; the rear guide plate is connected with the side guide plates; the rear guide plate and the side guide plates are provided with fixing holes; the fixing hole is used for implanting a kirschner wire; the rear guide plate and the side guide plate are fixed through the Kirschner wire; the rear guide plate comprises an LC2 channel screw guide tube, and the side guide plate comprises a sacr 1 channel screw guide tube and a sacr 2 channel screw guide tube. The utility model provides a pair of pelvis fracture back ring minimal access to stable system baffle through adopting the combination formula design, divide into two parts, puts into the baffle through two minimal access incisions, establishes the passageway under the muscle, makes up. The trauma is less compared to existing guide plate solutions.
Description
Technical Field
The utility model relates to a medical equipment technical field, specifically speaking, in particular to 3D prints minimal access to details stable system baffle of pelvis fracture back ring.
Background
The internal fixation of the pelvic posterior ring fracture (sacrum fracture, ilium fracture and the like) can be realized in various modes, and researches show that the screw fixation has biomechanical advantages and small wound, so that the channel screw internal fixation is mostly adopted for pelvic posterior ring fracture patients with operation indications.
The traditional operation needs to display the adjacent relation of bones, joints and the Kirschner wire according to the C arm by continuously changing the special projection position of the C arm under the monitoring of a C-shaped arm X-ray machine, so that the needle inserting point and the needle inserting direction are adjusted, and the nerve dysfunction and even death of a patient caused by the damage to important blood vessels and nerves in the needle inserting process of the Kirschner wire are avoided. The traditional operation method mainly has the defects that: 1. the needle insertion point and the needle insertion direction planned before the operation cannot be positioned in the operation, the needle insertion point and the needle insertion direction need to be adjusted repeatedly in the operation, the C arm and the projection body position need to be adjusted repeatedly, and medical staff and patients are exposed to more rays. 2. The screw is more difficult to reach the planned path and position before the operation. 3. The operation exposure time is long, and the position of the C arm is repeatedly changed, so that the risk of postoperative incision infection is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of the prior art, the embodiment of the utility model provides a pelvis fracture back ring minimally invasive stable system baffle. The technical scheme is as follows:
in one aspect, a posterior pelvic fracture ring minimally invasive stabilization system guide plate is provided, comprising: a rear guide plate and a side guide plate; the rear guide plate is connected with the side guide plates; the rear guide plate and the side guide plates are provided with fixing holes; the fixing hole is used for implanting a kirschner wire; the rear guide plate and the side guide plate are fixed through the Kirschner wire.
Furthermore, three fixing holes are formed in the rear guide plate.
Furthermore, a fixing hole is formed in the side guide plate.
Furthermore, the rear guide plate is attached to the corresponding anatomical position of the ilium, and a kirschner wire is implanted through a fixing hole for fixing; the side guide plate and the fixed rear guide plate are combined in the body and fixed through the fixing hole.
Further, the pelvis fracture posterior ring minimally invasive stabilization system guide plate is manufactured through 3D printing.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the utility model provides a pair of pelvis fracture back ring minimal access to stable system baffle through adopting the combination formula design, divide into two parts, puts into the baffle through two minimal access incisions, establishes the passageway under the muscle, makes up. The trauma is less compared to existing guide plate solutions.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described 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 to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a pelvic fracture posterior ring minimally invasive stabilization system guide plate according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rear guide plate of an embodiment of the present invention;
FIG. 3 is a schematic view of a side guide of an embodiment of the present invention;
fig. 4 is a side view of a posterior pelvic fracture ring minimally invasive stabilization system guide of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a pelvis fracture back ring minimal access to stable system baffle, see fig. 1-4, include: a rear guide plate 1 and a side guide plate 2; the rear guide plate 1 is connected with the side guide plates 2; the rear guide plate 1 and the side guide plate 2 are both provided with fixing holes 3; the fixing hole 3 is used for implanting a kirschner wire; the rear guide plate 1 and the side guide plate 2 are fixed through the Kirschner wire; the rear guide plate 1 comprises an LC2 channel screw guide tube 4, and the side guide plate 2 comprises a sacrum 1 channel screw guide tube 5 and a sacrum 2 channel screw guide tube 6.
In this embodiment, referring to fig. 4, the rear guide plate is arc-shaped, and the rear guide plate includes one planned channel screw guide tube, i.e., the LC2 channel screw, and the side guide plates include two planned channel screw guide tubes, i.e., the sacral 1 and sacral 2 channel screws.
Furthermore, three fixing holes are formed in the rear guide plate.
Furthermore, a fixing hole is formed in the side guide plate.
Furthermore, the rear guide plate is attached to the corresponding anatomical position of the ilium, and a kirschner wire is implanted through a fixing hole for fixing; the side guide plate and the fixed rear guide plate are combined in the body and fixed through the fixing hole.
Further, the pelvis fracture posterior ring minimally invasive stabilization system guide plate is manufactured through 3D printing.
Referring to fig. 4, the surface of the rear guide plate 1 is provided with a triangular structure 7 which can cover a part of the side guide plate 2, the triangular structure is provided with a fixing hole 3 which corresponds to the fixing hole of the side guide plate and is fixed by a kirschner wire 8, and the two guide plates are combined into a whole
When the combined guide plate is used specifically, a rear guide plate and a side guide plate are implanted respectively, the rear guide plate and the side guide plate are combined into a whole, the combined guide plate is fixed on a pelvis through fixing holes in the guide plates by using kirschner wires, and then a channel screw is implanted through a channel screw guide tube.
In this embodiment, a guide plate design and manufacture are provided, which specifically include:
1.1, importing patient pelvis CT (computed tomography) scanning data into a mix 19.0 software in a Dicom format, segmenting bones and soft tissues by threshold segmentation (Thresholding), generating a pelvis mask (mask), and establishing a pelvis three-dimensional model by using a calcium 3D function.
1.2, establishing a cylinder (simulation screw) by utilizing a software self-contained CAD module (Analysis Objects), moving the cylinder to the position of the ideal screw through rotation and translation functions, observing whether the position of the cylinder meets the requirement on a two-dimensional flat sweep, and if the position is not satisfactory, adjusting the position until the position is satisfactory. Typically, the cannulated screws used in the art (supplied by Johnsondy) are 7.3mm in diameter, thus setting the cylinder diameter to 7.3 mm. However, before the screw is inserted, a guide pin is required to be inserted, and the guide pin is a kirschner wire with the diameter of 2.0mm, so that the cylinder needs to be hollow. The method comprises the steps of copying a cylinder with the set diameter of 7.3mm, enabling the space position of the copied cylinder to be completely coincident with that of the previous cylinder, changing the parameter of the copied cylinder into the diameter of 2.0mm, and carrying out Boolean subtraction on the two cylinders to generate a new hollow cylinder with the diameter of 7.3mm at the outer circle and the diameter of 2.0mm at the hollow circle. The same method establishes the sacral 1, sacral 2, LC2 screw guide plate.
1.3 expand the pelvic mask (mask) by 2 Pixels (Pixels) using the expansion function (scale) in the morphological Operations module to generate a new mask. And subtracting the pelvis mask from the new mask through Boolean operation to obtain another mask, and establishing a three-dimensional model of the mask obtained through Boolean operation by using a coordinate 3D function, wherein the three-dimensional model is equivalent to establishing a completely-fitted shell on the pelvis surface of the patient.
1.4 Using the simulation of surgery (Simulate) module, the osteotomy is performed on the "shell", leaving the "shell" portion that is desired to be left, i.e. the bone-apposing guide, which is desired to be small on the one hand, in practice to reduce the soft tissue stripping from the bone surface; on the other hand, it is desirable that the guide plate be placed as accurately as the preoperative plan, which requires that the best possible anatomical landmarks be found when designing the guide plate.
1.5 through operation simulation, finally determining a bone-attached guide plate, and performing Boolean addition on the guide plate and the sacrum 1, sacrum 2 and LC2 hollow cylinders established before through Boolean operation, so that the rear guide plate is combined with an LC2 channel screw guide tube, and the side guide plate is combined with the sacrum 1 and sacrum 2 screw guide tubes.
1.6 in the actual operation, hope that little wound will implant the bone face with this baffle, consequently the utility model discloses divide into the baffle into two rear baffles and side baffle, the baffle is implanted respectively with two little incisions in the art accessible rear and side to the accessible rear, reduces the wound. After the guide plate is superposed with respective anatomical marks and is attached to the bone surface, the guide plate is recombined in the body, three fixing holes are designed on the guide plate, the diameter of each fixing hole is 2.0mm, and the guide plate is fixed on the bone surface through the three fixing holes by using 2.0mm kirschner wires so as to avoid displacement.
And 1.7, after the guide plate is designed, exporting the three-dimensional data of the guide plate in an Stl format, and making a real object by a 3D printing technology.
Meanwhile, in this embodiment, an actual operation flow is provided, which specifically includes:
2.1 making an incision on the posterior iliac skin, separating soft tissues and then reaching the posterior iliac bone surface, stripping off the muscles attached to the corresponding bone surface according to the size of the posterior guide plate, adhering the posterior guide plate and the corresponding anatomical position of the iliac bone, and implanting a kirschner wire through a fixing hole to fix the posterior guide plate.
2.2 making an incision on the external side of the ilium, separating soft tissues to reach the surface of the ilium, stripping the muscles of the surface of the ilium, combining the side guide plate and the fixed rear guide plate in the body, and fixing the two guide plates together through the fixing holes.
2.3 according to the fracture type of the patient and the actual requirement, a 2.0mm kirschner wire guide pin is implanted through the corresponding sacrum 1, sacrum 2 and LC2 screw guide plates, and the position of the C-arm perspective guide pin.
2.4 after the guide pin is implanted, taking out the Kirschner wires of the three fixing holes and respectively taking out the outer guide plate and the rear guide plate.
2.5 the length of the screw to be implanted is measured through the guide pin, a hollow screw of 7.3mm is screwed in, the guide pin is withdrawn, the incision is sutured, and the operation is finished.
Implementation and verification of the embodiment:
in the early stage, the specimen is verified, the bone surface soft tissue is stripped, 3 temporary Kirschner wires are implanted in sequence for fixing the guide plate after the position of the guide plate is satisfied, then S1, S2 and LC2 screws are implanted, the guide plate and the bone are well jointed, the position of the Kirschner wire is generally in accordance with the expected plan, the position of the Kirschner wire is in accordance with the expected target through rechecking CT, and the effect is satisfied.
The utility model discloses S1, S2 and LC2 screw baffle have been contained, have contained all types of channel screws of ring behind the pelvis, and can put into according to actual need selectivity.
The guide plate adopts a bone-sticking combined design, so that the anatomical positioning is accurate, the fitting performance is good, the nail placement position is good, the soft tissue injury can be reduced through the combined type, and the operation is convenient.
Verification shows that, through the utility model discloses the screw position of putting into accords with planning design before the art, and the position is satisfied, and the security is high.
For the patient, the preoperative protocol is more precise and personalized.
The utility model discloses a planning design, CAD aided design, 3D print etc. technique before the art, can realize whole flow very fast after through the study to the cost is lower, and patient economic pressure is little.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
more accurate preoperative planning: through the mimics software, a three-dimensional model is established by utilizing CT (computed tomography) horizontal scanning data of a patient, and a screw needle inserting point, a needle inserting direction, a needle inserting depth and the like can be accurately designed on the model, so that personalized and precise medical treatment is realized.
The implementation of a more accurate and scientific scheme: in the traditional operation, the nail placement is finished after the optimal position is confirmed by repeatedly adjusting under intraoperative fluoroscopy, and the traditional operation cannot be effectively implemented according to preoperative planning. The utility model discloses a plan design before the art prints quick forming technique through 3D, makes into the screw baffle, and this baffle is laminated completely with patient's bony nature anatomical landmarks, can implement according to the scheme of planning before the art completely, the screw position with plan before the art unanimous.
Higher working efficiency: the successful placement of each screw in the traditional operation needs accurate repeated projection of the C arm, which consumes long time and has lower efficiency. The utility model discloses a combined sacrum 1, sacrum 2, LC2 screw baffle, can be as required selective put into or all put into, need not to adjust C arm position repeatedly, improved work efficiency greatly.
Safer working environment: fewer C-arm exposures means less radiation to medical personnel and patients.
Lower risk of post-operative incision infection: the traditional operation steps are complicated, the incision exposure time is long, and the infection risk of the incision is increased theoretically.
Less surgical trauma: the guide plate is designed in a combined mode and is divided into two parts, the guide plate is placed in two minimally invasive incisions, and a channel is built under muscles to be combined. The trauma is less compared to existing guide plate solutions.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. A posterior pelvic fracture ring minimally invasive stabilization system guide plate, comprising: a rear guide plate and a side guide plate; the rear guide plate is connected with the side guide plates; the rear guide plate and the side guide plates are provided with fixing holes; the fixing hole is used for implanting a kirschner wire; the rear guide plate and the side guide plate are fixed through the Kirschner wire; the rear guide plate comprises an LC2 channel screw guide tube, and the side guide plate comprises a sacr 1 channel screw guide tube and a sacr 2 channel screw guide tube.
2. The posterior pelvic fracture ring minimally invasive stabilization system guide of claim 1, wherein the posterior guide is provided with three fixation holes.
3. The posterior pelvic fracture ring minimally invasive stabilization system guide plate of claim 2, wherein the side guide plate is provided with a fixing hole.
4. The posterior pelvic fracture ring minimally invasive stabilization system guide plate according to claim 3, wherein the posterior guide plate is attached to the corresponding anatomical position of the ilium and fixed by implanting a kirschner wire through a fixing hole; the side guide plate and the fixed rear guide plate are combined in the body and fixed through the fixing hole.
5. The posterior pelvic fracture ring minimally invasive stabilization system guide of claim 4, wherein the posterior pelvic fracture ring minimally invasive stabilization system guide is fabricated by 3D printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021479248.8U CN213075888U (en) | 2020-07-24 | 2020-07-24 | Pelvic fracture posterior ring minimally invasive stabilization system guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021479248.8U CN213075888U (en) | 2020-07-24 | 2020-07-24 | Pelvic fracture posterior ring minimally invasive stabilization system guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213075888U true CN213075888U (en) | 2021-04-30 |
Family
ID=75626401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021479248.8U Expired - Fee Related CN213075888U (en) | 2020-07-24 | 2020-07-24 | Pelvic fracture posterior ring minimally invasive stabilization system guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213075888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111728689A (en) * | 2020-07-24 | 2020-10-02 | 川北医学院附属医院 | Pelvic fracture posterior ring minimally invasive stabilization system guide plate |
-
2020
- 2020-07-24 CN CN202021479248.8U patent/CN213075888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111728689A (en) * | 2020-07-24 | 2020-10-02 | 川北医学院附属医院 | Pelvic fracture posterior ring minimally invasive stabilization system guide plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10548668B2 (en) | Method for producing patient-specific plate | |
| EP2685914B1 (en) | Patient-specific instruments for total ankle arthroplasty | |
| US20160117817A1 (en) | Method of planning, preparing, supporting, monitoring and/or subsequently checking a surgical intervention in the human or animal body, apparatus for carrying out such an intervention and use of the apparatus | |
| EP2742878A1 (en) | Alignment guide with embedded features for intra-operative fluoro-checks | |
| AU2014209244B2 (en) | A system and process of utilizing image data to place a member | |
| Oka et al. | Corrective osteotomy for malunited intra-articular fracture of the distal radius using a custom-made surgical guide based on three-dimensional computer simulation: case report | |
| US20210059691A1 (en) | Surgical cutting guides designed for anatomical landmarks | |
| US10675095B2 (en) | Reduction methods for aligning bone segments using customized jigs | |
| CN111728689A (en) | Pelvic fracture posterior ring minimally invasive stabilization system guide plate | |
| CN107252364B (en) | 3D printed humerus model and preparation method thereof | |
| CN109700531B (en) | Individual mandible navigation registration guide plate and registration method thereof | |
| CN213075888U (en) | Pelvic fracture posterior ring minimally invasive stabilization system guide plate | |
| CN108403202B (en) | Channel screw external guiding device for pelvis acetabulum fracture and method thereof | |
| CN108670395B (en) | 3D printed sacroiliac screw digital embedding method | |
| CN106875392A (en) | A kind of method for generating the description information of human body orthopaedics implant guider | |
| CN109700532B (en) | Individualized craniomaxillary face navigation registration guide plate and registration method thereof | |
| Gruetzner et al. | Navigation using fluoro-CT technology: Concept and clinical experience in a new method for intraoperative navigation | |
| Marcacci et al. | A navigation system for computer assisted unicompartmental arthroplasty | |
| CN210158690U (en) | Individualized cervical vertebra pedicle of vertebral arch screw is navigation template device step by step | |
| Schipper et al. | Navigation as a tool to visualize bone-covered hidden structures in transfrontal approaches | |
| CN208838148U (en) | For guiding device outside the channel body of screw of pelvis fracture of acetabulum | |
| CN111759442B (en) | Pedicle screw placing guide clamp | |
| JP6933828B2 (en) | Surgical instrument for acetabular rotation osteotomy | |
| CN212369125U (en) | Computer-aided design individualized prosthesis for accurate resection of pelvic tumors | |
| US20230310013A1 (en) | Apparatus, system, and method for patient-specific instrumentation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210430 |