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Comparison Study of Two Different Surgical Clips During Laparoscopic Urologic Surgery

Minimally Invasive Urologic Surgery Clip Evaluation: Can We Improve Our Surgical Technique, Reduce Costs and Waste With the Aesculap U-clip Versus the Tele-Flex Hemolock Clip?

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01008709
Enrollment
11
Registered
2009-11-06
Start date
2009-10-31
Completion date
2012-11-30
Last updated
2017-04-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Laparoscopy, Nephrectomy, Prostatectomy, Robotics

Brief summary

Intracorporeal suturing and knot tying during robotic prostatectomy and laparoscopic and robotic renal surgery have historically been considered the most technically challenging and time consuming aspects of these procedures. With improved operative technique as well as the use of innovative surgical devices, vascular control during these surgeries is often less cumbersome as compared with traditional techniques. Current standard methods of hemostasis include the use of clips, of which the most popular design is the Hemolock, a locking, nonabsorbable plastic clip, or the use of the very expensive endomechanical stapler. Unfortunately while they are associated with time savings in the operating room, there is a great deal of disposable costs associated with these various devices as well as a not insignificant device malfunction rate reported in the literature. The aim of this case-controlled study is to evaluate the Aesculap U-clip device compared to our current technique of vascular control using the Teleflex Hemolock clip device during minimally invasive genitourinary surgery.

Interventions

DEVICETeleflex HemoLock clip

Patients randomized to the Aesculap U-clip device or the HemoLock clip will undergo their respective surgery (robotic prostatectomy and laparoscopic and robotic renal surgery) as per standard protocols. During the surgical procedure, when primary vascular control is warranted the appropriate clip to which the patient has been randomized will be utilized. Immediate assessment of the vascular pedicle will subsequently occur; if hemostasis is not adequate, additional clipping, endomechanical stapling or suture ligation will then be performed as necessary.

DEVICEAesculap U-clip

Patients randomized to the Aesculap U-clip device or the HemoLock clip will undergo their respective surgery (robotic prostatectomy and laparoscopic and robotic renal surgery) as per standard protocols. During the surgical procedure, when primary vascular control is warranted the appropriate clip to which the patient has been randomized will be utilized. Immediate assessment of the vascular pedicle will subsequently occur; if hemostasis is not adequate, additional clipping, endomechanical stapling or suture ligation will then be performed as necessary.

Sponsors

Vanderbilt University Medical Center
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
DEVICE_FEASIBILITY
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* All patients ≥ 18 years old with genitourinary malignancy either prostate cancer or kidney renal masses undergoing minimally invasive genitourinary organ removal will be included in this small pilot study.

Design outcomes

Primary

MeasureTime frame
significant difference in clip misfire and misapplication rates1month

Secondary

MeasureTime frame
OR time1 day
Need for repeat procedure1 month
blood loss / need for transfusion1 month
surgeon impression of the ease of application1 day
predicted cost differential (or at least charge differential)1 month
number of clips used1 day

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026