WordNet

do forcibly; exert force; "Dont force it!"
(physics) the influence that produces a change in a physical quantity; "force equals mass times acceleration"
physical energy or intensity; "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man" (同)forcefulness, strength
group of people willing to obey orders; "a public force is necessary to give security to the rights of citizens" (同)personnel
a group of people having the power of effective action; "he joined forces with a band of adventurers"
a powerful effect or influence; "the force of his eloquence easily persuaded them"
force into or from an action or state, either physically or metaphorically; "She rammed her mind into focus"; "He drives me mad" (同)drive, ram
impose urgently, importunately, or inexorably; "She forced her diet fads on him" (同)thrust
an extractor consisting of a pair of pincers used in medical treatment (especially for the delivery of babies)

PrepTutorEJDIC

〈U〉(物理的な)『力』,勢い;体力 / 〈U〉『暴力』,腕ずく / 〈C〉《集合的に》(共通の目的・活動のための)集団,隊 / 〈C〉《しばしば複数形で》『軍隊』,部隊 / 〈C〉(社会的)勢力;有力な人物 / 〈U〉(精神あるいは知性の)力 / 〈U〉『影響力』,効果 / 〈U〉(言葉の)意味,真意 / 〈人〉‘に'『強いる』,無理を言う / (…から)…‘を'力ずくで手に入れる《+『名』+『from』(『out of』)+『名』》 / …‘を'むりに押し出す / (容器などに)…‘を'むりに押し込む《+『名』+『into』+『名』》 / (人に)…‘を'『押しつける』《+『名』+『on』(『upon』)+『名』〈人〉》 / 〈植物〉‘を'促成栽培する
(外科・歯科用)かん子(し),ピンセット

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1. 手術的経膣分娩 operative vaginal delivery
2. 後頭横位 occiput transverse position
3. 胎児の後頭後位 occiput posterior position
4. 早期産低出生体重児の単胎分娩 delivery of the preterm low birth weight singleton fetus
5. 妊娠および経膣分娩が肛門括約筋および便失禁に及ぼす影響 effect of pregnancy and childbirth on anal sphincter function and fecal incontinence

English Journal

[Obstetrical study of the pelvis: a historical overview].

Thiery M.SourceVerloskundige Kliniek, Universiteit Gent.
Verhandelingen - Koninklijke Academie voor Geneeskunde van België.Verh K Acad Geneeskd Belg.1995;57(3):199-228.
The female pelvis is fundamental to life itself, but it took ages to grasp this truism. During Antiquity, physicians had no need for the concepts of pelvic dystocia and cephalopelvic disproportion. When Aranzo (16th century), a practising physician, stated that a disproportion between the size of th
PMID 7483815

[Mechanical action of obstetrical forceps on the fetal skull].

Issel EP.AbstractBy means of schematic illustrations we demonstrate the working point of the power of labour, obstetrical forceps and vacuum extractor, The bones of the fetal skull are by sutures movable fastened together. Every extraction so will rise the intracranial pressure of the fetus, because the resistance of the birth canal tissues must be overcome. This for the extraction needed power and rising of the intracranial pressure is independent from the instrument with which the extraction is carried out. It is impossible to make a "cage" around the fetal head with the Shute forceps during extraction, to protect the fetal head from the extraction power. Another question is, that some instruments (included vacuum extractor) can limit the used power. By using forcipes with crossed lock without fixation the forces for extraction are not limited and there is a need of better operative technic. By the comparison of the forcipes from Shute, Naegele and Zweifel we can summarize, that for success is decided the indication and good operative technic and not the instrument. Every instrument for vaginal extraction has advantages and disadvantages in different obstetrical situations.
Zentralblatt für Gynäkologie.Zentralbl Gynakol.1977;99(8):487-97.
By means of schematic illustrations we demonstrate the working point of the power of labour, obstetrical forceps and vacuum extractor, The bones of the fetal skull are by sutures movable fastened together. Every extraction so will rise the intracranial pressure of the fetus, because the resistance o
PMID 878727

[Original tractor forceps Naegele].

MUNOZ MIRON A.
Revista española de obstetricia y ginecología.Rev Esp Obstet Ginecol.1956 Mar-Apr;15(86):105-7.
PMID 13336679

Japanese Journal

母児の臨床成績からみたかん子分娩術の評価

生田明子,堀越順彦,神崎秀陽
産婦人科の進歩 53(2), 110-114, 2001
… 【方法】同一術者によるNaegele氏鉗子による鉗子分娩術75例と自然分娩75例の計150例について, 牽引を主とした出口·低位鉗子51例と回旋が加わる中位鉗子24例を自然分娩と比較し, 母体, 出生児に及ぼす影響を検討した. …
NAID 130001223795