Comparison of Curative Effect Between New Tension Band and Patellar Tension Reduction Band in the Treatment of Lower Pole Fractures of Patella

Study Overview
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Brief Summary
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Research purposes: Analyze the curative effect of the new tension band system composed of φ3.0mm hollow nails, titanium cables and new gaskets and the patellar tension reduction band in the treatment of lower pole fractures of the patella. research method: A retrospective study of 41 cases of comminuted fractures of the lower pole of the patella treated with a new tension band system composed of φ3.0mm hollow nails, titanium cables and new spacers from March 2012 to July 2017, including 19 males and 22 females , The average age is 56.7 years (22 to 79 years), 24 cases of AO/OTA A1 type, and 17 cases of C1.3 type. During the same period, 22 cases of comminuted fractures of the lower pole of the patella were treated with a patella tension band, including 8 males and 14 females, with an average age of 57.4 years (32 to 84 years), 17 cases of AO/OTA type A1, and 5 cases of type C1.3. The injury mechanism is all slipping and kneeling injuries.

Detailed Description
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Research purposes: Analyze the curative effect of the new tension band system composed of φ3.0mm hollow nails, titanium cables and new gaskets and the patellar tension reduction band in the treatment of lower pole fractures of the patella. research method: A retrospective study of 41 cases of comminuted fractures of the lower pole of the patella treated with a new tension band system composed of φ3.0mm hollow nails, titanium cables and new spacers from March 2012 to July 2017, including 19 males and 22 females , The average age is 56.7 years (22 to 79 years), 24 cases of AO/OTA A1 type, and 17 cases of C1.3 type. During the same period, 22 cases of comminuted fractures of the lower pole of the patella were treated with a patella tension band, including 8 males and 14 females, with an average age of 57.4 years (32 to 84 years), 17 cases of AO/OTA type A1, and 5 cases of type C1.3. The injury mechanism is all slipping and kneeling injuries.

Official Title
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Comparison of Curative Effect Between New Tension Band and Patellar Tension Reduction Band in the Treatment of Lower Pole Fractures of Patella

Conditions
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Follow-up Time, Postoperative Knee Joint Score, Postoperative X-ray, Follow-up Postural Image Data

Intervention / Treatment
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* Procedure: New type of tension band or patellar tension reduction band for treatment of lower pole fracture of patella


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria:Patients with comminuted fractures of the lower pole of the patella: AO/OTA type A1 and C1.3 type - Exclusion Criteria:1. Except for other types of patella fractures 2. Except for open patella fractures 3. Excluding patients with other fractures and injuries 4. Exclude patients who cannot cooperate with functional exercises -

Ages Eligible for Study
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Minimum Age: 22 Years
Maximum Age: 79 Years

Sexes Eligible for Study
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All

Study Plan
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How is the study designed?
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Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| New tension band system<br> | Procedure: New type of tension band or patellar tension reduction band for treatment of lower pole fracture of patella<br>* New type of tension band or patellar tension reduction band for treatment of lower pole fracture of patella<br>|
| Patella reduction band system<br> | Procedure: New type of tension band or patellar tension reduction band for treatment of lower pole fracture of patella<br>* New type of tension band or patellar tension reduction band for treatment of lower pole fracture of patella<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| operation time |  | One day after surgery | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Surgical bleeding |  | One day after surgery |