Oct 13, 2022 ... Obturator sign. Pain on inward rotation of the hip, a maneuver that stretches the obturator internus muscle. This test result may be positive ...The obturator sign or Cope's obturator test is an indicator of irritation to the obturator internus muscle. The technique for detecting the obturator sign, called the obturator test, is carried out on each leg in succession. The patient lies on her/his back with the hip and knee both flexed at ninety degrees. The examiner holds the patient's ankle with one hand …The Howship Romberg sign is considered pathognomonic, but only occurs in 15–50% of cases . The clinical diagnosis of an obturator hernia is difficult due to its nonspecific symptoms and infrequent signs. Plain abdominal radiography and abdominal ultrasonography usually reveal signs of intestinal obstruction.McBurney's point is the point on the lower right quadrant of the abdomen where tenderness is maximal in cases of acute appendicitis. It is located at about 3.8–5.1 cm from the navel to the hip bone, where the appendix is …Anatomical Course. The obturator nerve is formed from the lumbar plexus. It receives fibres from the anterior divisions of L2, L3 and L4. After its formation, the obturator nerve descends through the fibres of the psoas major and emerges from its medial border. It then travels posteriorly to the common iliac arteries and laterally along the pelvic wall – …Jun 18, 2020 ... ... Obturator sign. 개요. • Obturator sign의 해부학적 근거:골반 내 위치한 염증성 충수는 속폐쇄근(obturator internus m.)과 접해 있음. 검사방법.Obturator Hernia: Symptoms & Treatment. Justine has been a Registered Nurse for 10 years and has a Bachelor's of Science in Nursing degree. An obturator hernia is a very rare type of hernia that ...The psoas sign, also known as Cope's sign (or Cope's psoas test [1]) or Obraztsova's sign, [2] is a medical sign that indicates irritation to the iliopsoas group of hip flexors in the …c. 閉孔肌的病徵 (Obturator sign) ︰可由右大腿內翻、外展、或微彎曲來測定，當發炎的闌尾位於骨盆內時，此測驗可導致痛的增加。 （六）局部膨脹 (Local distension) ︰ 急性闌尾炎時常有盲腸脹氣的現象，此現象仍由增多之細菌產生的氣體或合併盲腸發炎及無力而 ...The obturator nerve coordinates movement in your pelvis and thigh. It helps you perform several vital motor functions, like: Bending and extending your leg from your thigh to your knee. Flexing ... The terms sign and test are often interchanged. A maneuver is a complex motion or series of movements used as either a test or treatment. It is also referred to as a method or technique. A phenomenon is any sign or objective symptom; it is any observable occurrence or fact. This chapter presents the many categories of tests, signs, and …Obturator sign is a clinical sign of acute appendicitis, it is defined as discomfort felt by the subject/patient on the slow internal movement of the hip joint, while the right knee is flexed.It indicates an inflamed pelvic appendix that is in contact with the obturator internus muscle 1-3.. See also. acute appendicitsMay 16, 2022 · Obturator sign is a clinical sign of acute appendicitis, it is defined as discomfort felt by the subject/patient on the slow internal movement of the hip joint, while the right knee is flexed. It indicates an inflamed pelvic appendix that is in contact with the obturator internus muscle 1-3. acute appendicits. May 25, 2023 · Obturator sign: The right hip is internally rotated and flexed which will elicit pain in the right lower quadrant (right iliac fossa) on the abdomen. This is an indicator of irritation of the Obturator internus muscle , if the inflamed appendix is in contact with the muscle. Obturator hernia occurs when abdominopelvic contents enter the obturator canal, an osteofibrous passage within the obturator foramen (bordered by the ischiopubic rami at the anteroinferior pelvic margin).1 Howship-Romberg sign—pain on ipsilateral thigh adduction and internal rotation due to obturator nerve compression—is only present in half of …Obturator sign is a clinical sign of acute appendicitis, it is defined as discomfort felt by the subject/patient on the slow internal movement of the hip joint, while the right knee is flexed.It indicates an inflamed pelvic appendix that is in contact with the obturator internus muscle 1-3.. See also. acute appendicits... obturator internus, the obturator membrane, and obturator externus in that order. ... obturator nerve could lead to the presence of the Howship-Romberg sign. This ...Appendicitis is an inflamed appendix. It can cause acute (sudden, intense) pain in your lower abdomen. Your appendix is a small, tubular pouch, about the size of a …The obturator nerve is a major peripheral nerve in your thigh. It's responsible for some leg movements (motor function) as well as sensation (sensory function). This nerve is formed by portions of the lumbar plexus, which is a complex network of nerves that emerge from the lumbar region of the spine, which is in your lower back.罗符辛氏征的命名是基於丹麥的外科醫師 Niels Thorkild Rovsing。. 這是闌尾炎的徵象；當檢查者施壓於病人的左下腹時，病人右下腹會感覺較左下腹更為疼痛，即稱為陽性 罗符辛氏征。. 在急性闌尾炎時，觸診左髂窩可能導致右髂窩的疼痛。. 施壓力於病人的左下腹 ... Check us out on Facebook for DAILY FREE REVIEW QUESTIONS and updates! (https://www.facebook.com/medschoolmadeeasy) Check out our website for …Obturator sign synonyms, Obturator sign pronunciation, Obturator sign translation, English dictionary definition of Obturator sign. n. 1. An organic structure, such as the soft palate, that closes an opening in the body.Technique. Patient lies supine with right thigh flexed 90 degrees. Examiner immobilizes right ankle with right hand. Left hand rotates right hip by: Pull right knee laterally (hip external rotation) Pull right knee medially (hip internal rotation) Left obturator/ Pelvis examined in similar fashion. IV. Interpretation. It is part of the lateral rotators of the hip (obturator internus, superior and inferior gemelli, quadratus femoris, obturator externus, and ... ↑ Jari S, Paton RW, Srinivasan MS. "Unilateral limitation of abduction of the hip: A valuable clinical sign for DDH?" J Bone Joint Surg2002; 84-B: 104-107. Web. 08/25/2012.Obturator sign is a sign of irritation of the Obturator internus muscle, if the inflamed appendix is in contact with the muscle. It is an indicator of appendectomy, a common surgical emergency for …Howship–Romberg sign. Differential diagnosis. obturator hernia. The Howship–Romberg sign is inner thigh pain on internal rotation of the hip. It can be caused by an obturator hernia. [1] [2] [3] It is named for John Howship and Moritz Heinrich Romberg. [4] [5] [6]The Howship Romberg sign is considered pathognomonic, but only occurs in 15–50% of cases . The clinical diagnosis of an obturator hernia is difficult due to its nonspecific symptoms and infrequent signs. Plain abdominal radiography and abdominal ultrasonography usually reveal signs of intestinal obstruction.Caused by compression of the obturator nerve most commonly associated with entrapment of the small bowel in the obturator canal which may lead to ileus, ...The obturator sign or Cope's obturator test is an indicator of irritation to the obturator internus muscle. The technique for detecting the obturator sign, called the obturator test, is carried out on each leg in succession. The patient lies on her/his back with the hip and knee both flexed at ninety degrees. The examiner holds the patient's ankle with one hand …Jan 15, 2022 ... ... obturator internus muscle. Cope obturator sign sensitivity (8%); specificity (94%) in diagnosing acute appendicitis #eponymaday ...Additional appendicitis signs are pain felt in the right lower quadrant with palpation of the left lower quadrant (Rovsing sign), an increase in pain caused by passive extension of the right hip joint that stretches the iliopsoas muscle (psoas sign), or pain caused by passive internal rotation of the flexed thigh (obturator sign).Aug 26, 2021 · Fever (late sign) Diarrhoea (uncommon) The absence of PV discharge and/or bleeding is important to clarify in differentiating from other causes of abdominal pain including ectopic pregnancy and pelvic inflammatory disease; EXAMINATION. Fever; Tenderness over McBurney’s point; Rovsing sign; Psoas sign (retrocecal appendix) Obturator sign ... eH&P, Custom History & Physical Examination, by ScyMed...Obturator hernia is a relatively rare type of abdominal hernia, in which abdominal contents protrude through the obturator canal, a condition that can lead to small bowel obstruction. Its rarity and nonspecific signs and symptoms make a preoperative diagnosis difficult. The present study analyzed the clinical manifestations, diagnostic methods and operative …Jan 25, 2023 · Positive psoas sign: Lie on your left side and extend your right thigh backward. Positive obturator sign: Lie on your back with your right knee and hip bent at 90 degrees. Rotate your right leg internally at the hip. Positive Rovsing's sign: Press on the lower left side of your belly to increase the pain felt in the lower right side of your ... Case Discussion. Obturator oblique view is obtained on a supine patient with the injured side of the pelvis rotated anteriorly at 45°. The x-ray beam is directed vertically toward the affected hip. It is useful to assess the obturator ring, anterior column ( iliopectineal line ), and posterior wall of the acetabulum.Obturator sign also known as Cope’s obturator test, is an indicator of irritation to the obturator internus muscle 1. The technique for detecting the obturator …The Howship-Romberg sign is a neurological sign of pain and paraesthesia along the inner thigh, caused by compression of the obturator nerve …17 Jun 2021 ... Common signs and symptoms include symptoms of bowel obstruction such as nausea, vomiting, and abdominal pain, along with pain in the groin or ...An obturator hernia is a rare type of hernia, encompassing 0.07-1% of all hernias, of the pelvic floor in which pelvic or abdominal contents protrudes through the obturator foramen.The obturator foramen is formed by a branch of the ischial (lower and back hip bone) as well as the pubic bone. The canal is typically 2-3 centimeters long and 1 …הפקת שיעול (dunphy's sign) יכולה להגביר את הכאב. מישוש של הבטן השמאלית התחתונה דווקא עלול לגרום לכאב (rovsing sign), והפקת כאב נוספת יכולה להיות על ידי רוטציה פנימית של הירך אשר גורמת לכאב בשריר ה-obturator ...Oct 10, 2022 · Obturator sign: This is performed by flexing the patient's right thigh at the hip with the knee flexed and rotating internally. Increased pain at the right lower quadrant suggests inflammation of the internal obturator muscle from overlying appendicitis or an abscess. Rovsing’s sign is a clinical finding that is indicative of acute appendicitis (the inflammation and possible infection of the appendix ). A positive Rovsing’s sign is characterized by right lower abdominal pain upon palpation of the left side of the lower abdomen. This finding was named after Niels Thorkild Rovsing, a Danish surgeon, in 1907.Aug 21, 2022 · The obturator sign indicates the presence of an inflamed pelvic appendix. Evidence shows that the obturator test does not adequately diagnose appendicitis, but can be used in conjunction with... Ask the patient to lift the right leg against resistance of your hand. This motion causes friction of the psoas muscle over the inflamed appendix, causing pain. To assess for the obturator sign, position the patient supine with their right knee bent and leg bent at the hip. Rotate the leg internally at the hip, causing the internal obturator ...The obturator sign, also called Cope's obturator test, is an indicator of irritation to the obturator internus muscle.Download scientific diagram | Positive Psoas and Obturator Signs [64]. from publication: Missed Appendicitis in Primary Care: Lessons Learned | Abdominal ...Obturator sign (RLQ pain with internal and external rotation of the flexed right hip): Suggests the inflamed appendix is located deep in the right hemipelvis ... and the difference in appendiceal position considerably changes clinical findings, accounting for the nonspecific signs and symptoms of appendicitis. Congenital appendiceal disorders ...1 Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, 757 Westwood Plaza, 2nd Floor, Suite 2125C, Los Angeles, CA 90095. 2 Chicago Medical School at Rosalind Franklin University of Medicine and Science, North Chicago, Illinois. PMID: 32972823. DOI: 10.1016/j.jvir.2020.01.033. Anatomic Landmarks*.The sign is positive if the patient com- plains of hypogastric pain when the limb is moved in this manner. Since the fascia covering the obturator internus is ...13 Nov 2023 ... Obturator sign. Flex the patient's right thigh at the hip with the ... obturator sign and may suggest an inflamed appendix or other issues in that ...obturator injury. the only nerve which is in. obturator canal. obturator nrve. pelvic trauma. pelvic surgery. tumors (bladder cancer) obturator nerve injury. Study with Quizlet and memorize flashcards containing terms like sensory, motor, roots and more.Dec 10, 2014 · Check us out on Facebook for DAILY FREE REVIEW QUESTIONS and updates! (https://www.facebook.com/medschoolmadeeasy) Check out our website for TONS OF FREE REV... Obturator sign : 굽힌 대퇴부를 수동적으로 내 회전시켰을 때 나타나는 통증 (appendix가 pelvic area에 위치함을 시사) 검진자는 대상자 오른쪽 발목과 무릎을 구부린 상태로 무릎을 잡고 내측 →으로 회전을 시킬 때 통증 및 복통을 호소하면 충수돌기염 의심할 수 있다.Jan 30, 2023 · Obturator herniae are uncommon presentations of abdominal pain, comprising <0.04% of all herniae [1] An obturator hernia occurs when abdominal contents traverse the obturator foramen. As this is a small opening in the pelvis, there is an increased propensity for these herniae to get incarcerated and subsequently strangulated obturator hernia. [2] --Psoas sign: right lower quadrant pain with right hip flexion, indicates a retrocecal appendix. Specificity 79-98%, but not sensitive. --Obturator sign ...Oct 13, 2022 ... Obturator sign. Pain on inward rotation of the hip, a maneuver that stretches the obturator internus muscle. This test result may be positive ...Obturator sign (RLQ pain with internal and external rotation of the flexed right hip): Suggests the inflamed appendix is located deep in the right hemipelvis ... and the difference in appendiceal position considerably changes clinical findings, accounting for the nonspecific signs and symptoms of appendicitis. Congenital appendiceal disorders ...Additional appendicitis signs are pain felt in the right lower quadrant with palpation of the left lower quadrant (Rovsing sign), an increase in pain caused by passive extension of the right hip joint that stretches the iliopsoas muscle (psoas sign), or pain caused by passive internal rotation of the flexed thigh (obturator sign).Jul 1, 2018 ... The obturator sign. Pain on passive internal rotation of the flexed thigh. Examiner moves lower leg laterally while applying resistance to the ...Rosenbach Sign. Ottomar Ernst Felix Rosenbach (1851–1907) was born in Krapkowice, Schlesien Prussian County in Silesia, completed his medical studies in Breslau and Berlin, and received his medical degree in Breslau in 1874. 5 He was an assistant from 1874 to 1887 at the University Hospital in Jenna in the medical hospital and dispensary. He …In certain types of hip pathology the obturator shadow becomes obscured, or it becomes widened with a more curved border, called a positive obturators sign, which is of some importance in the early diagnosis of tuberculosis of the hip. 1. The normal appearance of the obturator shadow is described. 2. In certain types of hip pathology the obturator …The obturator foramen is the large, [citation needed] bilaterally paired opening of the bony pelvis. It is formed by the pubis and ischium. It is mostly closed by the obturator membrane except for a small opening, the obturator canal, through which the …Rosenbach Sign. Ottomar Ernst Felix Rosenbach (1851–1907) was born in Krapkowice, Schlesien Prussian County in Silesia, completed his medical studies in Breslau and Berlin, and received his medical degree in Breslau in 1874. 5 He was an assistant from 1874 to 1887 at the University Hospital in Jenna in the medical hospital and dispensary. He …Appendicitis is an inflamed appendix. It can cause acute (sudden, intense) pain in your lower abdomen. Your appendix is a small, tubular pouch, about the size of a finger, that protrudes from the lower right end of your large intestine. Poop (feces) moving through your large intestine can block or infect your appendix, leading to inflammation.Find Obturator stock images in HD and millions of other royalty-free stock photos, 3D objects, illustrations and vectors in the Shutterstock collection. ... Organ System Symbol, Human Anatomy Sign, Human Body Parts Stock illustration, Human Pelvis and Hip Bone Joint Concept, medical accurate illustration of the obturator internus.Function. Obturator externus externally rotates hip during neutral and flexion but not in hip extension. [2] It may assist in the adduction of the hip joint during flexion [4]. It helps to stabilise the head of the femur in the socket during flexion and internal rotation as it's posterior fibers reinforce the posterior capsule of hip joint.Acetabular Fractures. Acetabulum fractures are pelvis fractures that involve the articular surface of the hip joint and may involve one or two columns, one or two walls, or the roof within the pelvis. Diagnosis can be made radiographically with dedicated pelvis radiographs (including Judet views) but frequently require CT pelvis for surgical ...Finally, the obturator sign is positive if internal rotation of the hip with the knee and hip flexed causes pain in the patient’s right lower quadrant. This may indicate an appendix located in the pelvis. Lastly, it’s extremely important to evaluate for peritoneal signs, such as local or diffuse rebound tenderness, as well as rigidity, and ...Jan 15, 2020 · Obturator sign. Obturator sign also known as Cope’s obturator test, is an indicator of irritation to the obturator internus muscle 1. The technique for detecting the obturator sign, called the obturator test, is carried out on each leg in succession. The patient lies on her/his back with the hip and knee both flexed at ninety degrees. Abstract. Obturator neuropathy is a difficult clinical problem to evaluate. One possible cause of pain is due to fascial entrapment of the nerve. Symptoms include medial thigh or groin pain, weakness with leg adduction, and sensory loss in the medial thigh of the affected side. Radiographic imaging provides limited diagnostic help.Another sign of appendicitis is Rovsing’s sign, which is when palpation of the left lower quadrant causes pain in the right lower quadrant. The obturator sign when the inflamed appendix lies in the pelvis and causes irritation of the obturator internus muscle. Feedback. Company. About us. Careers. Library. Press. Editorial Board.Dec 27, 2019 ... Results : The obturator hook sign is identified in Direct CTV, Indirect CTV and MRV of patients with chronic iliac venous outflow obstruction.Another sign of appendicitis is Rovsing’s sign, which is when palpation of the left lower quadrant causes pain in the right lower quadrant. The obturator sign when the inflamed appendix lies in the pelvis and causes irritation of the obturator internus muscle. Appendicitis Explanation: The client is demonstrating a positive obturator sign that causes pain in the right lower abdominal quadrant when the hip and knees are flexed and the leg is rotated internally and externally. Rebound tenderness occurs with peritoneal irritation. There is no specific sign for liver inflammation. The Howship-Romberg sign, defined as pain along the obturator nerve caused by compression of the nerve by the hernia sac, is pathognomic of an obturator hernia. This pain is frequently exacerbated by extension and abduction or medial rotation of the thigh and has been reported in 15% to 50% of patients with obturator hernia. [ 5 ]obturator injury. the only nerve which is in. obturator canal. obturator nrve. pelvic trauma. pelvic surgery. tumors (bladder cancer) obturator nerve injury. Study with Quizlet and memorize flashcards containing terms like sensory, motor, roots and more.Apr 30, 2017 · obturator徴候（閉鎖筋徴候） obturator signとは骨盤内にある虫垂が炎症を起こした時に隣接している閉鎖筋が引き伸ばされた時に虫垂が刺激されて痛みが誘発される所見をいう。方法としては右股関節と膝関節を屈曲させてから右股関節を内側に回旋させる。 罗符辛氏征的命名是基於丹麥的外科醫師 Niels Thorkild Rovsing。. 這是闌尾炎的徵象；當檢查者施壓於病人的左下腹時，病人右下腹會感覺較左下腹更為疼痛，即稱為陽性 罗符辛氏征。. 在急性闌尾炎時，觸診左髂窩可能導致右髂窩的疼痛。. 施壓力於病人的左下腹 ... 1 Division of Interventional Radiology, Department of Radiology, David Geffen School of Medicine at UCLA, 757 Westwood Plaza, 2nd Floor, Suite 2125C, Los Angeles, CA 90095. 2 Chicago Medical School at Rosalind Franklin University of Medicine and Science, North Chicago, Illinois. PMID: 32972823. DOI: 10.1016/j.jvir.2020.01.033. Anatomic Landmarks*.The obturator sign indicates the presence of an inflamed pelvic appendix. Evidence shows that the obturator test does not adequately diagnose …What is the obturator nerve? Your obturator nerve is one of many peripheral nerves that run through your groin. It’s part of your peripheral nervous system. This system helps your brain communicate with the rest of your body. The beginning of your obturator nerve (nerve root) is in your lumbar plexus. The lumbar plexus is a network of nerves ...
Technique. The test is performed by passively extending the thigh of a patient with knees extended. In other words, the patient is positioned on his/her left side, and the right leg is extended behind the patient. If abdominal pain results, it is a positive psoas sign.. Cheap hawaii flights
Dec 10, 2014 · Check us out on Facebook for DAILY FREE REVIEW QUESTIONS and updates! (https://www.facebook.com/medschoolmadeeasy) Check out our website for TONS OF FREE REV... Right lower quadrant pain, abdominal rigidity, and periumbilical pain radiating to the right lower quadrant are the best signs for ruling in acute appendicitis in adults. Absent or decreased bowel sounds, a positive psoas sign, a positive obturator sign, and a positive Rovsing sign are most reliable for ruling in acute appendicitis in children.The obturator sign, also called Cope's obturator test, is an indicator of irritation to the obturator internus muscle.Cope obturator sign: sensitivity (8%); specificity (94%) in diagnosing acute appendicitis. The right thigh is slightly flexed (so as to relax the psoas muscle) by the surgeon, who stands on the right of the patient: the limb is then fully rotated at the hip, first internally and then externally, so as to put the obturator internus through a ...The obturator sign (RLQ pain with internal and external rotation of the flexed right hip) suggests that the inflamed appendix is located deep in the right hemipelvis. The psoas sign (RLQ pain with extension of the right hip or with flexion of the right hip against resistance) suggests that an inflamed appendix is located along the course of the ...Apr 30, 2017 · obturator徴候（閉鎖筋徴候） obturator signとは骨盤内にある虫垂が炎症を起こした時に隣接している閉鎖筋が引き伸ばされた時に虫垂が刺激されて痛みが誘発される所見をいう。方法としては右股関節と膝関節を屈曲させてから右股関節を内側に回旋させる。 Markle's sign, or jar tenderness, is a clinical sign in which pain in the right lower quadrant of the abdomen is elicited by the heel-drop test (dropping to the heels, from standing on the toes, with a jarring landing). It is found in patients …Psoas sign dan obturator sign dapat ditemukan positif. Selain itu, dikenal juga “Alvarado Score” sebagai kriteria diagnostik appendicitis. Bagaimanakah terapi appendicitis? Apendisitis akut termasuk salah satu kondisi gawat darurat bedah yang paling sering. Penanganan kondisi ini adalah operasi untuk mengangkat usus buntu yang …An obturator hernia is a rare type of hernia, encompassing 0.07-1% of all hernias, of the pelvic floor in which pelvic or abdominal contents protrudes through the obturator foramen.The obturator foramen is formed by a branch of the ischial (lower and back hip bone) as well as the pubic bone. The canal is typically 2-3 centimeters long and 1 …An existing interim obturator can be reproduced as the definitive one using digital technology, with benefits for a patient with a maxillectomy. By digitally scanning the oral condition and the existing interim obturator, a definitive obturator, including a computer-aided designed and computer-aided manufactured metal framework, was …Anatomical Course. The obturator nerve is formed from the lumbar plexus. It receives fibres from the anterior divisions of L2, L3 and L4. After its formation, the …Technique. Patient lies supine with right thigh flexed 90 degrees. Examiner immobilizes right ankle with right hand. Left hand rotates right hip by: Pull right knee laterally (hip external rotation) Pull right knee medially (hip internal rotation) Left obturator/ Pelvis examined in similar fashion. IV. Interpretation.Apr 24, 2023 · Dunphy's sign (increased abdominal pain with coughing) Other associated signs such as the psoas sign (pain on external rotation or passive extension of the right hip suggesting retrocecal appendicitis) or obturator sign (pain on internal rotation of the right hip suggesting pelvic appendicitis) are rare. 1. femoral nerve. 2. obturator nerve. 3. saphenous nerve The obturator nerve arises from the lumbar plexus and provides sensory and motor innervation to the thigh. The …OBTURATOR definition: 1. a device or structure that closes an opening in the body: 2. a device or structure that closes…. Learn more.The obturator sign or Cope's obturator test is an indicator of irritation to the obturator internus muscle. The technique for detecting the obturator sign, ...• Psoas sign. 3-5%. • Obturator. Obturator sign. 5-10%. • Rovsing's. Rovsing's sign. 5-10%. • Palpable mass. 5-10%. • Temperature. 37.9°F. History & Physical. • .....An obturator hernia is a rare type of hernia, encompassing 0.07-1% of all hernias, [2] of the pelvic floor in which pelvic or abdominal contents protrudes through the obturator foramen. The obturator foramen is formed by a branch of the ischial (lower and back hip bone) as well as the pubic bone. The canal is typically 2-3 centimeters long and ... The Howship-Romberg sign is a neurological sign of pain and paraesthesia along the inner thigh, caused by compression of the obturator nerve …obturator sign: [ ob´too͡-ra″tor ] 1. a disk or plate that closes an opening. 2. a prosthesis for closing an acquired or congenital opening of the palate ( cleft palate ). obturator sign pain on outward pressure on the obturator foramen as a sign of inflammation in the sheath of the obturator nerve, probably caused by appendicitis. .