Bone Cement Syringe Kit Specification and Uses

Bone Cement Syringe Kit

A bone cement syringe kit is used in orthopedic surgery to inject bone cement to the site of a bone fracture or joint replacement. Bone cement, also known as polymethylmethacrylate (PMMA), is a biocompatible substance that is often used to stabilise shattered bones or fix prosthetic implants such as hip or knee replacements.

The syringe is a plastic container that holds the bone cement. It is built to resist the pressure required to inject the cement into the surgical site. To ensure accurate cement distribution, the syringe is generally calibrated with measurement indications.

The syringe is fitted with a nozzle to allow for the controlled and exact injection of bone cement. The surgeon inserts the nozzle into the bone or joint to direct the cement flow to the desired area. This aids in the precise placement and adherence of the cement.

Bone Cement Syringe Kit Advantage & Risk

The bone cement syringe kit is essential in orthopaedic treatments for stabilising fractures, anchoring prosthetic implants, and fortifying bone structures. The bone cement is prepared in the kit, dispensed into the syringe, and precisely supplied to the surgical site via the nozzle connected. The cement solidifies and gives the afflicted area structure and support, aiding healing and restoring function.

The following are some of the advantages of using a bone cement syringe kit:

  • The syringe ensures exact distribution of the bone cement, which is critical for effective implant attachment.
  • The syringe may be used swiftly and easily, potentially reducing surgery time.
  • The syringe is designed to reduce contamination risk, which is critical for patient safety.

The following are some of the risks of utilising a bone cement syringe kit:

  • There is a risk of infection if the syringe is not thoroughly sterilised.
  • An allergic reaction to the bone cement is possible in some people.
  • Tissue injury may result from bone cement that leaks from the implant site.

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Bone Cement Syringe Kit enhance bone cement set up time in knee arthroplasty

Background: The time required for polymethylmethacrylate (PMMA) cement curing or hardening can be modified by a number of variables including the mixing technique, and the temperature and pressure at which the process is taking place. Therefore, the purpose of this study was to evaluate two different methods of PMMA application in terms of set up time. Specifically, we (I) compared the PMMA set up time of cement that remained in the mixing bowl to cement that was placed in a Bone Cement Syringe Kit and (II) extrapolated the associated annual cost difference on the national and individual surgeon levels.

Methods: The cement set up time was measured for a total of 146 consecutive patients who underwent either unicompartmental knee arthroplasty (n=136) or patellofemoral arthroplasty (n=10) between January 2016 and April 2017. One pack of PMMA powder and monomer were mixed, placed in a 300 mL small plastic bowl, and mixed with a tongue depressor. Then, 50 mL of the mixed PMMA was placed in a sterile 60 mL syringe with the tip cut to a 6-mm opening, and the syringe was used to apply the cement to the bone and the prosthesis surface. The remaining unused cement in the syringe (syringe group) and the remaining unused cement in the plastic bowl (bowl group) were removed and formed into a two separate 2 cm diameter cubes that were allowed to cure at room temperature on a sterile set of osteotomes. The two cubes of cement were timed for complete PMMA curing. A two-tailed student’s t-test was used to compare the curing time for the two groups. Annual cost differences were calculated on the national and individual surgeon level. The total number of daily cases performed and the operative time savings using the Syringe Kit was used to find daily and annual cost savings.

Results: The mean time for the cement to set up in the bowl group was 16.8±2.1 minutes, and the mean time for cement set up in the syringe group was 15.1±1.7 minutes. Compared to the bowl group cement set up time, the syringe group set up time was significantly lower (P<0.0001). An estimated 350,000 cemented knee arthroplasties are performed each year in the United States. With 1.7 minutes saved per case, 595,000 operating room minutes per year could be saved, resulting in a nearly $71,000,000 national and $110,000 individual surgeon annual cost savings.Conclusions: The results of the present study demonstrated that the utilization of a simple, inexpensive Cement Syringe Kit enhanced the cement set up time by over one and a half minutes. This may be a result of the pressure differences in the syringe applicator. In addition to the control of and precision of where the cement is placed, the syringe applicator could provide an important potential time advantage to the arthroplasty surgeon.