CN219354122U - Novel patella claw - Google Patents

Novel patella claw Download PDF

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Publication number
CN219354122U
CN219354122U CN202222697382.0U CN202222697382U CN219354122U CN 219354122 U CN219354122 U CN 219354122U CN 202222697382 U CN202222697382 U CN 202222697382U CN 219354122 U CN219354122 U CN 219354122U
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China
Prior art keywords
patella
claw
connecting frame
fixing
screw holes
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CN202222697382.0U
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Chinese (zh)
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崔海峰
段大鑫
张鑫
王祚
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No 964 Hospital Of Joint Logistics Support Force Of Chinese Pla
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No 964 Hospital Of Joint Logistics Support Force Of Chinese Pla
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Priority to CN202222697382.0U priority Critical patent/CN219354122U/en
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Abstract

The utility model relates to the technical field of medical equipment, in particular to a novel patella claw, which comprises a universal rotation locking steel plate, a plurality of fixing claws and a mounting assembly, wherein the mounting assembly comprises a rotation universal rotation locking steel plate and a foldable connecting frame; when the patella claw is used, a proper patella claw is selected, the longitudinal tension of the patella claw is utilized to achieve the longitudinal pressurizing and fixing of the patella, screws respectively penetrate through the foldable connecting frame and the fixing claw to enable the patella claw to be installed on the patella, screw holes are formed in the claw to drive the screws, the effect of multidirectional fixing is achieved, the patella fracture is not only a transverse fracture, so that the universal rotation locking combined steel plate is designed, the stability of the patella claw after installation is enhanced by matching with the patella claw tension belt, the patella claw is designed as a whole, the overall stability of equipment is enhanced, and therefore the trouble of medical staff in the treatment of the patella comminuted fracture is solved, and the problems of insufficient fixing and postoperative shedding are effectively solved.

Description

Novel patella claw
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a novel patella claw.
Background
The patella claw is an orthopedic instrument used for fixing the bones of patients in the orthopedic surgery,
at present, the prior art discloses a device, including a plurality of fixed claws, distributes through setting up a plurality of fixed claws and provides certain longitudinal pressure to the fracture piece, provides good tension for simple transverse fracture, and fixed effect is better.
However, due to the adoption of the mode, when the fixing claw is arranged on the patient's patella, the fixing claw is only fixed on the surface of the patient's patella, and the internal fixation failure is often caused by the fact that the patella claw falls off due to improper model selection or early postoperative activity. The existing patella claw can not meet various different types of patella fracture, especially for multi-directional and multi-dimensional comminuted fracture, effective fixation can not be achieved, and initial stability can not be provided. The fixing device has the advantages of narrow application range, difficult clinical operation, poor fixing effect, low patient satisfaction and large economic burden, and can achieve the fixing effect by being used together with other instruments.
Disclosure of Invention
The utility model aims to provide a novel improved patella claw, which solves the trouble of medical staff in the treatment of comminuted fracture of patella and effectively solves the problems of insufficient fixation and postoperative shedding.
In order to achieve the above purpose, the utility model provides a novel patella claw, which comprises a connecting plate, a plurality of fixing claws and a mounting assembly, wherein the fixing claws are respectively arranged at two sides of a universal rotation locking steel plate, and the mounting assembly comprises the connecting plate and a foldable connecting frame;
the universal rotary locking steel plate is fixedly connected with the connecting plate and is positioned on one side of the connecting plate, and the foldable connecting frame is respectively fixedly connected with the plurality of fixing claws and is positioned on one side of the plurality of fixing claws.
The universal rotation locking steel plate is provided with two first screw holes, and the first screw holes are positioned on two sides of the universal rotation locking steel plate.
The connecting plate is provided with a rotating center point screw hole, and the rotating center point screw hole is positioned on one side of the connecting plate.
The mounting assembly is further provided with a plurality of second screw holes, and the second screw holes are respectively located on one side of the fixing claw.
The foldable connecting frame is provided with a plurality of third screw holes, and the third screw holes are respectively positioned on one side of the foldable connecting frame.
The novel patella claw further comprises an extension component, and the extension component is arranged on one side of the foldable connecting frame.
The telescopic rod comprises a first rod and a second rod, the first rod is fixedly connected with the foldable connecting frame and is positioned on one side of the foldable connecting frame, and the second rod is slidably connected with the first rod and is fixedly connected with the foldable connecting frame.
According to the novel patella claw, after the patella is reset, a patient needs to use the novel improved patella claw to fix, the patella claw with the proper model size is firstly selected, the longitudinal tension of the patella claw is utilized to achieve the longitudinal pressurizing and fixing of the patella, the whole patella claw can be installed on the patella of the patient through respectively penetrating screws through the foldable connecting frame and the fixing claw, the patella claw is prevented from falling off from the patella claw after the installation is completed, screws are driven into screw holes on the selecting claw, meanwhile, the effect of multidirectional fixing is achieved, and as the patella fracture is not only a transverse fracture (longitudinal or multidirectional), the universal rotary locking steel plate is designed, the stability after the patella claw is improved through being matched with the tension, and the whole patella claw is designed into a whole, so that the stability of the whole patella claw is improved, the defect in the instrument design of medical staff when the patella comminuted fracture is treated is overcome, the defect that the original patella claw is not stably installed and easily falls off and needs to be combined with various fixing devices is effectively avoided, the purposes of the patella fracture is achieved integrally, and the fracture is reduced and the fracture is convalescence is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a top view of a first embodiment of the present utility model, without the foldable connection frame and the third screw hole.
Fig. 2 is a top view of the entirety of a first embodiment of the present utility model.
Fig. 3 is an overall rear view of a second embodiment of the present utility model.
Fig. 4 is a top view of the entirety of a second embodiment of the present utility model.
101-connecting plates, 102-fixed claws, 103-mounting assemblies, 104-universal rotation locking steel plates, 106-foldable connecting frames, 107-first screw holes, 108-rotation center point screw holes, 109-second screw holes, 110-third screw holes, 201-extension assemblies, 202-telescopic rods, 203-bolts, 204-first rods and 205-second rods.
Detailed Description
The first embodiment of the present application is:
referring to fig. 1 to 3, fig. 1 is a top view of the whole body of the first embodiment of the present utility model excluding the foldable connection frame and the third screw hole, fig. 2 is a top view of the whole body of the first embodiment of the present utility model, and fig. 3 is a rear view of the whole body of the second embodiment of the present utility model. The novel patella claw provided by the utility model comprises a connecting plate 101, a plurality of fixing claws 102 and a mounting assembly 103, wherein the mounting assembly 103 comprises a connecting plate 104, a tension belt and a foldable connecting frame 106, the mounting assembly 103 is also provided with a plurality of second screw holes 109, the connecting plate 104 is provided with two first screw holes 107 and a rotation center point screw hole 108, and the foldable connecting frame 106 is provided with a plurality of third screw holes 110.
For this embodiment, the fixing claws 102 are respectively disposed on one side of the connecting plate 101, and the fixing claws 102 are fastened on the patella of the patient, so that the patella claws can be mounted on the mounted patella for postoperative rehabilitation.
The universal rotation locking steel plate 104 is fixedly connected with the connecting plate 101 and is located on one side of the connecting plate 101, the foldable connecting frame 106 is fixedly connected with the fixing claws 102 and is located on one side of the fixing claws 102, when the patella claw is needed to be used, screws respectively penetrate through the foldable connecting frame 106, the fixing claws 102 and the connecting plate 104, the patella claw is not only a transverse fracture (longitudinal or multidirectional), so that the universal rotation locking steel plate 104 is designed, the whole patella claw can be installed on a patella of a patient, the patella claw is prevented from falling off from the patella after the patella claw is installed, the tension is matched with the connecting plate 101, the stability of the patella claw after the patella claw is enhanced, the whole patella claw is designed integrally, and the whole patella claw is improved, so that the problem that the patella claw is unstable to be installed on the patella patient only through fixing the fixing claws 102 when the patella claw is installed on the patient, and the patella claw is easy to fall off from the patella is solved.
Secondly, the first screw holes 107 are located at two sides of the connecting plate 104, and the medical staff can drive screws into the first screw holes 107 of the connecting plate 104, so that the fixing claws 102 can be prevented from falling off from the patella.
Furthermore, the screw hole 108 of the rotation center point is positioned at one side of the connecting plate 104, and a medical staff drives a screw into the screw hole 108 of the rotation center point, thereby being beneficial to fixing and multidirectional fixing of the transverse screw of the longitudinal fracture.
Meanwhile, the second screw holes 109 are respectively located at one side of the fixing jaw 102, and the screws in the first screw holes 107 can be matched by driving the screws into the second screw holes 109, so that the fixing jaw 102 is prevented from falling off.
In addition, the third screw holes 110 are respectively located at one side of the foldable connecting frame 106, and a foldable slot can be designed according to needs, so that the operation in the operation is convenient, the operation time is reduced, and excessive interference to soft tissues is prevented.
When the patella fixing device is used, the fixing claw 102 is clamped on the patella of a patient, the screws are respectively driven into the first screw hole 107, the second screw hole 109 and the third screw hole 110, so that the fixing claw 102 and the foldable connecting frame 106 are more stable after being installed, the patella fracture is not only a transverse fracture (longitudinal or multidirectional), so that the universal rotation locking steel plate 104 is designed, the patella fracture is prevented from falling off, the stability of the patella claw after being installed is enhanced by matching the tension with the connecting plate 101, the patella claw is designed as a whole, the overall stability of the device is enhanced, and the screws are driven into the screw holes 108 at the rotation center point by medical staff, so that the fixing and multidirectional fixing of the longitudinal fracture transverse screws are facilitated, and the problem that the patella claw is unstable to be installed and easy to fall off the patella is solved only by fixing claw 102 on the patient patella when the fixing claw 102 is installed on the patella of the patient.
The second embodiment of the present application is:
referring to fig. 4 on the basis of the first embodiment, fig. 4 is a top view of the whole second embodiment of the present utility model. The novel patella claw provided in this embodiment further comprises an extension assembly 201, the extension assembly 201 comprises a telescopic rod 202 and a bolt 203, and the telescopic rod 202 comprises a first rod 204 and a second rod 205.
For this embodiment, the extension assembly 201 is disposed on one side of the foldable connection frame 106, and according to the size of the patient's patella, the medical staff can adjust the size of the patella claw through the extension assembly 201, so that the patella claw can be stably mounted on the patella.
The telescopic rod 202 is fixedly connected with the foldable connecting frame 106 and is located on one side of the foldable connecting frame 106, the bolt 203 is in threaded connection with the telescopic rod 202 and is located on one side of the telescopic rod 202, medical staff can drive the foldable connecting frame 106 to move by sliding the telescopic rod 202 according to the size of a patient's patella, the size of a patella claw is adjusted, and after the patella claw is adjusted to a proper position, the bolt 203 is screwed right, so that the position of the telescopic rod 202 is fixed, and the telescopic rod 202 is prevented from continuously driving the foldable connecting frame 106 to move.
Secondly, the first rod 204 is fixedly connected with the foldable connecting frame 106 and is located at one side of the foldable connecting frame 106, the second rod 205 is slidably connected with the first rod 204 and is fixedly connected with the foldable connecting frame 106, when the patella claw needs to be adjusted, the second rod 205 is slid to drive the foldable connecting frame 106 to move along with the patella claw, after the second rod 205 drives the foldable connecting frame 106 to move to a proper position, the bolt 203 is rotated in a right-hand manner, so that the position of the second rod 205 is fixed, and the first rod 204 ensures that the second rod 205 is more stable during sliding.
According to the size of patient's patella, medical personnel can left-hand bolt 203 for second pole 205 can slide, second pole 205 slides, can drive collapsible link 106 follows the removal, second pole 205 drives collapsible link 106 removes to suitable position after, right-hand rotation bolt 203 will the position of second pole 205 is fixed, and through first pole 204 guarantees second pole 205 is more stable when sliding.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims (8)

1. A novel patella claw comprises a connecting plate and a plurality of fixed claws, wherein the fixed claws are respectively arranged at one side of the connecting plate,
the device also comprises a mounting assembly;
the mounting assembly comprises a universal rotation locking steel plate and a foldable connecting frame;
the universal rotary locking steel plate is fixedly connected with the connecting plate and is positioned on one side of the connecting plate, and the foldable connecting frame is respectively fixedly connected with the plurality of fixing claws and is positioned on one side of the plurality of fixing claws.
2. A novel patella jaw according to claim 1, wherein,
the universal rotation locking steel plate is provided with two first screw holes, and the first screw holes are positioned on two sides of the connecting plate.
3. A novel patella jaw according to claim 2, wherein,
the universal rotation locking steel plate is provided with a rotation center point screw hole, and the rotation center point screw hole is positioned on one side of the connecting plate.
4. A novel patella jaw according to claim 3, wherein,
the mounting assembly is further provided with a plurality of second screw holes, and the second screw holes are respectively positioned on one side of the fixing claw.
5. A novel patella jaw according to claim 4, wherein,
the foldable connecting frame is provided with a plurality of third screw holes, and the third screw holes are respectively positioned at one side of the foldable connecting frame.
6. A novel patella jaw according to claim 1, wherein,
the novel patella claw further comprises an extension component, and the extension component is arranged on one side of the foldable connecting frame.
7. A novel patella jaw according to claim 6, wherein,
the extension assembly comprises a telescopic rod and a bolt, wherein the telescopic rod is fixedly connected with the foldable connecting frame and is positioned on one side of the foldable connecting frame, and the bolt is in threaded connection with the telescopic rod and is positioned on one side of the telescopic rod.
8. A novel patella jaw according to claim 7, wherein,
the telescopic rod comprises a first rod and a second rod, the first rod is fixedly connected with the foldable connecting frame and is positioned on one side of the foldable connecting frame, and the second rod is slidably connected with the first rod and is fixedly connected with the foldable connecting frame.
CN202222697382.0U 2022-10-13 2022-10-13 Novel patella claw Active CN219354122U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222697382.0U CN219354122U (en) 2022-10-13 2022-10-13 Novel patella claw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222697382.0U CN219354122U (en) 2022-10-13 2022-10-13 Novel patella claw

Publications (1)

Publication Number Publication Date
CN219354122U true CN219354122U (en) 2023-07-18

Family

ID=87118116

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222697382.0U Active CN219354122U (en) 2022-10-13 2022-10-13 Novel patella claw

Country Status (1)

Country Link
CN (1) CN219354122U (en)

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