Laparoscopic Tactile Imaging in Urogynecologic Surgery (LTI)

During laparoscopic surgery, video camera becomes a surgeon's eyes since the surgeon uses image from the video camera positioned inside the patient's body to perform the procedure. The greatest limitation is the impairment or complete lack of tactile sensation normally used to assist in surgical dissection and decision making. The Investigator proposes to develop a tactile sensing system, Laparoscopic Tactile Imager (LTI), to be used in urogynecological laparoscopic surgery for tactile imaging and tissue characterization (elasticity, structure, boundaries, blood vessel detection) which will be imposed on the video image at area of interest in real time.

Study Overview

• Status: Completed
• Conditions: Pelvic Floor Disorders
• Intervention / Treatment: Device: Laparoscopic Tactile Imaging

Detailed Description

For this study, the investigator identified the sacrocolpopexy as the target procedure for the evaluation of LTI. In the cases of sacrocolpopexy, often performed in conjunction with a hysterectomy, one of the most frustrating elements is the lack of tactile feedback at the level of the sacral promontory. The surgeon needs to open up the peritoneum and dissect the underlying tissue to expose the sacral bony structures and ligament without injury to the surrounding bowel, ureter or vascular structures. Sometimes, the sacral promontory is covered with a fat pad which makes it difficult to visualize the promontory and the "safe" space below the aorta and between the iliac arteries/veins is difficult to discern. A difference that is very easy to appreciate with an open procedure where one can easily palpate through the fatty tissues. That step is very critical for the repair and has the greatest potential for catastrophic error without tactile sensation. Because of the reproducibility of the surgical technique and target anatomy for this portion of the procedure, it was thought the sacral promontory dissection to identify and clear the anterior longitudinal ligament would be appropriate surgical procedure to evaluate the use of LTI.

• Study Type: Observational
• Enrollment (Actual): 5

Contacts and Locations

Study Locations

• United States
  • New Jersey
    • Princeton, New Jersey, United States, 08540
      • Princeton Urogynecology

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 21 years and older (ADULT, OLDER_ADULT)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: Female

• Sampling Method: Non-Probability Sample

Study Population

Adult female subjects volunteers, scheduled for a pelvic floor surgery will be considered to be enrolled in the pilot clinical study. Conditions precluding patients from participation are listed in the study exclusion below ( Eligibility Criteria) criteria. No patients will be excluded on the basis of age or race. Women younger the age 21 will not be included due to the very low probability of pelvic floor diseased condition in the age.

Description

Inclusion Criteria:

1. Stage 2 or greater pelvic organ prolapse;
2. Scheduled pelvic floor surgery.

Exclusion Criteria:

1. Active cancer of the colon, rectum wall, cervix, vaginal, uterus or bladder;
2. Ongoing or prior radiation therapy for abdominal or pelvic cancer;
3. Recent (less than four months) pelvic surgery;
4. Surgically absent rectum or bladder;
5. Significant circulatory or cardiac conditions that could cause excessive risk from the examination as determined by attending physician;
6. Severe abdominal or pelvic adhesions preventing access to pertinent anatomy;
7. Known or suspected bleeding disorder.

Study Plan

How is the study designed?

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Imaging Performance (resolution in mm)	The LTI will restore the missing dimension during laparoscopic surgery - the real time 'sense of touch' for tissues and organs of interest. Imaging resolution is a key parameter for the outcome.	up to 24 weeks
Soft tissue elasticity measurement (Pa)	LTI allows acquisition of stress+strain data to calculate direct tissue elasticity in Pa.	up to 24 weeks

Collaborators and Investigators

• Sponsor: Advanced Tactile Imaging, Inc.
• Collaborators: Princeton Urogynecology
• Investigators: Principal Investigator: Heather van Raalte, Princeton Urogynecology

Study record dates

Study Major Dates

• Study Start (ACTUAL): December 9, 2016
• Primary Completion (ACTUAL): April 5, 2017
• Study Completion (ACTUAL): April 28, 2017

Study Registration Dates

• First Submitted: March 16, 2017
• First Submitted That Met QC Criteria: May 22, 2017
• First Posted (ACTUAL): May 24, 2017

Study Record Updates

• Last Update Posted (ACTUAL): September 19, 2018
• Last Update Submitted That Met QC Criteria: September 17, 2018
• Last Verified: May 1, 2017

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Pregnancy Complications; Pelvic Floor Disorders
• Other Study ID Numbers: LTI07

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: YES
• IPD Plan Description: Scientific Publications of the study results
• IPD Sharing Time Frame: 6 months after closing study will be available in Scientific Publications
• IPD Sharing Access Criteria: Scientific Publications
• IPD Sharing Supporting Information Type: STUDY_PROTOCOL; ICF; CSR

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: Yes
• product manufactured in and exported from the U.S.: No