CN110960306A - Patella fracture packing and fixing device - Google Patents
Patella fracture packing and fixing device Download PDFInfo
- Publication number
- CN110960306A CN110960306A CN201811144969.0A CN201811144969A CN110960306A CN 110960306 A CN110960306 A CN 110960306A CN 201811144969 A CN201811144969 A CN 201811144969A CN 110960306 A CN110960306 A CN 110960306A
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- China
- Prior art keywords
- fixing band
- patella
- locking
- fixing
- fracture
- 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.)
- Pending
Links
- 238000012856 packing Methods 0.000 title claims abstract description 16
- 206010034122 Patella fracture Diseases 0.000 title claims abstract description 11
- 210000004417 patella Anatomy 0.000 claims abstract description 39
- 206010017076 Fracture Diseases 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 8
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 208000010392 Bone Fractures Diseases 0.000 abstract description 21
- 210000001519 tissue Anatomy 0.000 abstract description 4
- 230000035876 healing Effects 0.000 abstract description 3
- 239000007943 implant Substances 0.000 abstract description 3
- 208000007356 Fracture Dislocation Diseases 0.000 abstract description 2
- 239000012634 fragment Substances 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 210000001694 thigh bone Anatomy 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000638 stimulation Effects 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 210000003041 ligament Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002324 minimally invasive surgery Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 210000002435 tendon Anatomy 0.000 description 2
- 208000024779 Comminuted Fractures Diseases 0.000 description 1
- 208000026137 Soft tissue injury Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 210000000845 cartilage Anatomy 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/82—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/84—Fasteners therefor or fasteners being internal fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00004—(bio)absorbable, (bio)resorbable or resorptive
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a patella fracture packing and fixing device which comprises a fixing band, a locking buckle and a guiding device, wherein the fixing band is of a flexible structure, the fixing band is driven by the guiding device to wind a patella, at least one fixing band is crossed with fracture creases, and two ends of the fixing band are connected through the locking buckle and are tensioned and fixed. The fixing band is adopted to pack, wind and fix around the patella, so that the broken pieces of the fractured patella are firmly folded together, the stress of each fracture surface is balanced, the fracture dislocation and crease opening are avoided, the thickness of the fixing band and the locking buckle is small, the tissue protrusion cannot be caused, discomfort is generated, and the fracture healing time is favorably shortened; the absorbable material is adopted, the problem that the implant needs to be taken out in a secondary operation is solved, and the minimally invasive operation adopting the guide needle traction obviously reduces the difficulty of the operation and saves half of the operation time compared with the traditional operation.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a patella fracture packaging and fixing device.
Background
The patella is the biggest unginned bone of human body, is located thighbone lower extreme anteriorly, in four head of thighbone muscle tendon, and upper wide down point, preceding coarse, the back is the articular surface, and is articular mutually with thighbone kneecap face, has the knee joint of protection, avoids four head of thighbone muscle tendon to thighbone condyle cartilage face friction's function. The patella fracture is a common injury, generally, there are multiple methods for the internal fixation of the patella fracture, such as the fixation of the steel wire tension of the kirschner wire, the fixation of the memory alloy patella, etc., the fixation tension is concentrated on the front of the patella, and the back has no traction, so the back crease is easy to open, the patella is deformed when recovering, and the recovery is slow, meanwhile, a large incision is needed to place a fixture during the operation, and the fixture is also needed to be taken out by a secondary operation; the steel wire linear fixing band bears a large pressure in the unit area of the patella contact part, so that the soft tissue can be necrotized, liquefied, absorbed and fiberized, the tension band steel wire is loosened, and the knotted part is stimulated to cause discomfort of a patient.
Therefore, the key for solving the problems is to research and develop a patella fracture packaging and fixing device which can ensure that the stress of the patella fracture surface is balanced, the pressure per unit area is small, knotting is avoided, and the surgical wound is small.
Disclosure of Invention
The invention aims to provide a patellar fracture packing and fixing device.
The fixing band is of a flexible structure, the fixing band is driven by the guide device to wind the patella, at least one fixing band is crossed with the fracture crease, and two ends of the fixing band are connected through the locking buckle and are tensioned and fixed.
Compared with the prior art, the invention has the following technical effects:
1. the invention changes the prior mode of fixing only in front of the patella, adopts the mode of winding the patella by the fixing band to fix the fracture, packs around the crease, ensures that the stress of the fracture surface is balanced, does not generate crease dislocation or opening, shortens the recovery period time, and has good fixing effect on the comminuted fracture by the packing and wrapping mode;
2. the fixing band and the locking buckle adopted by the invention have small thickness, so that tissue protrusion and discomfort cannot be caused, and meanwhile, the fixing band is tensioned at two ends and locked in a two-way manner, so that the fixing band is easier to tension, and the fracture part can not be dislocated;
3. the invention adopts absorbable materials, has excellent biocompatibility, avoids the stimulation of the implant to the implanted part, and solves the problem that the implant needs to be taken out through a secondary operation;
4. the fixing band has a certain width, the contact surface with the patella is larger, the pressure bearing of the patella in unit area is reduced, and the probability of soft tissue injury is greatly reduced;
5. the invention adopts the minimally invasive surgery of guiding needle traction, solves the problems of complex operation, large wound, pain of postoperative patients, serious local stimulation and the like of the prior surgery, and shortens the time by half compared with the traditional surgery.
Drawings
FIG. 1 is a schematic view of the present invention fixing a fracture;
FIG. 2 is a schematic view of a structure of a guiding device connecting and fixing belt of the present invention;
FIG. 3 is a schematic view of a locking buckle of the present invention;
FIG. 4 is a schematic view of a fastening tape structure of the present invention II;
FIG. 5 is a schematic view of the locking buckle of the present invention;
figure 6 is a buckle assembly of the present invention shown schematically in figure i;
figure 7 is a buckle assembly of the present invention shown schematically in figure ii;
FIG. 8 is a schematic sectional view taken along line A-A of FIG. 7;
in the figure: 1-fixing band, 101-locking tooth, 2-locking buckle, 201-buckle frame, 202-buckle stick, 211-channel, 212-locking tooth, 3-guide needle, 4-patella, 5-fracture crease.
Detailed Description
The invention is further described with reference to the accompanying drawings, but the invention is not limited in any way, and any alterations or substitutions based on the teaching of the invention are within the scope of the invention.
As shown in the attached drawings 1-8, the invention comprises a fixing band 1, a locking buckle 2 and a guiding device, wherein the fixing band 1 is of a flexible structure, the fixing band 1 is driven by the guiding device to wind a patella 4, at least one fixing band 1 is crossed with a fracture crease 5, two ends of the fixing band 1 are connected and tensioned and fixed through the locking buckle 2, the patella 4 is perforated, the fixing band 1 is bound through an intra-osseous through hole or the fixing band 1 is bound through the surface of the patella, and fracture fragments are polymerized and fixed.
The locking buckle 2 is a bidirectional locking buckle, the fixing band 1 is easier to tension, the fracture part can not be dislocated, and the fracture healing time can be shortened.
The locking buckle 2 comprises a buckle frame 201 and buckle rods 202, two ends of each buckle rod 202 are erected on two opposite sides of the buckle frame 201 and can slide along two sides of the buckle frame 201, and two buckle rods 202 are arranged; the fixing belt 1 is folded around the buckling stick 202 and pressed under the edge of the buckling frame 201, and the fixing belt 1 is tensioned and fixed through the friction force of the pulling and pressing.
The buckling rod 202 is flexibly and movably connected with the buckling frame 201, so that the buckling frame 201 and the buckling rod 202 are kept integrated, the buckling rod 202 can move along the buckling frame 201, and the operation is fast and convenient when the fixing band 1 is buckled.
The fixing belt is provided with anti-slip stripes, so that the friction between the fixing belt 1 and the patella 4 is increased, and the friction between the fixing belt 1 and the locking buckle 2 is also increased.
One surface of the fixing band 1 is provided with at least two rows of continuous locking teeth 101, two ends of the locking buckle 2 are respectively provided with a channel 211 for the fixing band 1 to be inserted, and the surface of the channel 211 facing the locking teeth 101 on the fixing band 1 is respectively provided with locking teeth 212 meshed with one row of the locking teeth 101; the fixing band 1 is fixed by the engagement of the locking teeth 212 on the two ends of the locking buckle 2 with the different rows of locking teeth 101 on the fixing band.
The inclination directions of two adjacent rows of locking teeth 101 on the fixing belt 1 are opposite, so that the two ends of the fixing belt 1 cannot return after entering the channel 211 of the locking buckle 2.
The fixing belt 1 and the locking buckle 2 are made of absorbable materials or non-absorbable materials.
The absorbable material is an absorbable polymer material, an absorbable inorganic material or an absorbable composite material, so that good biocompatibility is realized, and the injury of secondary operation is avoided.
The thickness of the fixing band 1 is 0.2-1.0 mm, the width of the fixing band is 2-8 mm, the thickness of the locking buckle (2) is 0.4-2.0 mm, and the width of the locking buckle is 3-10 mm; the thickness is small while the strength requirement is met, tissue protrusion cannot be caused, and discomfort is caused to a patient.
The guiding device is a guiding needle 3, and at least one end of the fixing band 1 is connected with the guiding needle 3.
The guide needle 3 is a plastic needle, and the needle root of the plastic needle is in press-fit bridging connection with one end of the fixing band 1.
The working principle and the working process of the invention are as follows:
according to the actual patella fracture, the fixing band 1 is adopted to wind and pack the fractured patella 4, the locking buckle 2 is used to tension and fix the two ends of the fixing band 1, and the fixing band can be packed and fixed in a mode of a plurality of fixing bands 1 or a plurality of fixing bands 1 aiming at different fractures, so that the fractured patella fragments are firmly folded together, the stress on the fracture surface is balanced, and the fracture dislocation and the crease opening are avoided; furthermore, the thickness of the fixing band 1 and the thickness of the locking buckle 2 adopted by the invention are small, so that tissue protrusion and discomfort cannot be caused, and meanwhile, the fixing band 1 is tensioned at two ends and locked in a two-way manner, so that the fixing band 1 is easier to be tensioned, the fracture part can not be dislocated, and the fracture healing time can be shortened; furthermore, the fixing band 1 and the locking buckle 2 are made of absorbable materials, have excellent biocompatibility, can avoid the pollution of harmful ions of metal brackets in the prior art, can also avoid the damage of the traditional secondary operation, and improve the life quality of patients; furthermore, the fixing band has certain width and elasticity, the contact surface with the patella 4 is larger, the pressure bearing of the patella 4 in unit area is reduced, the probability of soft tissue damage is greatly reduced, and the defect of traditional steel wire fixing is avoided; furthermore, the invention adopts the guide needle 3 to pull the fixing band 1, realizes minimally invasive surgery, and solves the problems of complex operation, large wound, pain of postoperative patients, serious local stimulation and the like in the prior surgery, thereby obviously reducing the difficulty of the surgery and saving half of the surgery time.
As shown in fig. 1 to 8, the patella 4 is reduced, and according to the fracture condition, small incisions are made in the skin and ligament of the needle insertion point of the patella 4 along the fiber direction, generally, the left and right sides of the patella 4 are required to be cut simultaneously, and generally, more than two fixing bands 1 are required to be arranged for fixation. The operation guide needle 3 drives the fixing band 1 to enter from a small incision, pass through the joint surface behind the patella 4, enter the front of the patella 4, pass through the front of the patella 4 and wind around the joint surface of the patella 4 from another needle inlet point, and sequentially wind on the outer surface of the patella 4 in multiple ways to pack the patella fragments together; also can punch towards the fracture face earlier the patella 4, form a plurality of through-holes, operation guide needle 3 drives fixed band 1 and gets into from a little incision, passes a through-hole that the patella 4 was beaten, passes in front from another through-hole or patella 4 again, gets into next needle insertion point, twines the patella 4 in proper order and ties up, gathers the packing with the patella fragment. Then put into the latch closure 2 from the incision department, penetrate the latch closure 2 with fixed band 1 both ends, use fracture resetting means, like the pincers that reset, the needle that resets, adjust the patella fragment, keep the fracture face anastomotic, again two free ends of taut fixed band 1, make fixed band 1 pack fix on the patella, remove the reset apparatus, cut unnecessary fixed band 1 at last, and take out fixed band 1 and the guide needle 3 that cuts, restore cracked aponeurosis and ligament, disinfection suture behind the skin patella fracture fixation operation end.
Claims (10)
1. The utility model provides a patella fracture packing fixing device which characterized by: including fixed band (1), locking knot (2), guiding device, fixed band (1) is flexible structure, fixed band (1) winding patella (4) and have at least one fixed band (1) and fracture crease (5) alternately under the guiding device drives, fixed band (1) both ends are detained (2) through locking and are connected and the tensioning is fixed.
2. The patellar fracture packing and fixation device of claim 1, wherein: the locking buckle (2) is a bidirectional locking buckle.
3. The patellar fracture packing and fixation device of claim 2, wherein: locking is detained (2) and is detained rod (202) including detaining frame (201), detain rod (202) both ends and set up and detain frame (201) both sides and can slide along detaining frame (201) both sides, it is two to detain rod (202).
4. The patellar fracture packing and fixation device of claim 3, wherein: the buckle stick (202) is flexibly and movably connected with the buckle frame (201).
5. The patellar fracture packing and fixation device of claim 2, wherein: one side of fixed band (1) is provided with two row at least continuous lock teeth (101), locking is detained (2) both ends and is respectively set up one and supply fixed band (1) male passageway (211) be provided with respectively on passageway (211) the face towards lock tooth (101) on fixed band (1) with one of them row of lock tooth (101) of fixed band (1) locking tooth (212) of meshing mutually.
6. The patellar fracture packing and fixation device of claim 5, wherein: the inclination directions of two adjacent rows of locking teeth (101) on the fixing belt (1) are opposite.
7. The patellar fracture packing fixation device of any of claims 1-6, wherein: the fixing belt (1) and the locking buckle (2) are made of absorbable materials or non-absorbable materials.
8. The patellar fracture packing and fixation device of claim 1, wherein: the thickness of the fixing band (1) is 0.2-1.0 mm, the width of the fixing band is 2-8 mm, the thickness of the locking buckle (2) is 0.4-2.0 mm, and the width of the locking buckle is 3-10 mm.
9. The patellar fracture packing and fixation device of any of claims 1, wherein: the guiding device is a guiding needle (3), and at least one end of the fixing band (1) is connected with the guiding needle (3).
10. The patellar fracture packing and fixation device of claim 9, wherein: the guide needle (3) is a plastic needle, and the needle root of the plastic needle is in press-fit bridging connection with one end of the fixing band (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811144969.0A CN110960306A (en) | 2018-09-29 | 2018-09-29 | Patella fracture packing and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811144969.0A CN110960306A (en) | 2018-09-29 | 2018-09-29 | Patella fracture packing and fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110960306A true CN110960306A (en) | 2020-04-07 |
Family
ID=70027901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811144969.0A Pending CN110960306A (en) | 2018-09-29 | 2018-09-29 | Patella fracture packing and fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110960306A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857861Y (en) * | 2005-11-11 | 2007-01-17 | 杜学平 | Steel wire tension belt with lock |
| CN201631365U (en) * | 2009-02-24 | 2010-11-17 | 曲光 | Internal fixing system of combined tension belt for patellar fracture |
| CN104644305A (en) * | 2013-11-26 | 2015-05-27 | 曲怡阳 | Patella fracture fixing device |
| CN105232129A (en) * | 2015-11-06 | 2016-01-13 | 上海凯利泰医疗科技股份有限公司 | Fixing device for patella fracture |
| CN205094565U (en) * | 2015-11-06 | 2016-03-23 | 上海凯利泰医疗科技股份有限公司 | Fixing device of kneecap fracture |
| CN209595876U (en) * | 2018-09-29 | 2019-11-08 | 丁伟 | A kind of fixed device of patellar fracture packing |
-
2018
- 2018-09-29 CN CN201811144969.0A patent/CN110960306A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2857861Y (en) * | 2005-11-11 | 2007-01-17 | 杜学平 | Steel wire tension belt with lock |
| CN201631365U (en) * | 2009-02-24 | 2010-11-17 | 曲光 | Internal fixing system of combined tension belt for patellar fracture |
| CN104644305A (en) * | 2013-11-26 | 2015-05-27 | 曲怡阳 | Patella fracture fixing device |
| CN105232129A (en) * | 2015-11-06 | 2016-01-13 | 上海凯利泰医疗科技股份有限公司 | Fixing device for patella fracture |
| CN205094565U (en) * | 2015-11-06 | 2016-03-23 | 上海凯利泰医疗科技股份有限公司 | Fixing device of kneecap fracture |
| CN209595876U (en) * | 2018-09-29 | 2019-11-08 | 丁伟 | A kind of fixed device of patellar fracture packing |
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