CN1172632A - Mantle type tent foetus head tractor - Google Patents

Abstract

A cover-curtain type tractor of fetal head is composed of curtain, guide rule and rotary regulator. Said guide rule and rotary regulator are connected tot side of curtain. Its advantages includes simple structure, easy operation, high safety, reliability and efficiency and no damage to mother and fetal.

Description

Mantle type tent foetus head tractor

The invention belongs to technical field of medical instruments.

The processing of head position difficult labour still is key subjects in the obstetrics field so far.One of key measure that the vaginal assistant labor art is handled for such difficult labour, the vaginal assistant labor art mainly contains obstetric forceps delivery and vacuum extraction at present, also has through cloudy hands positioner head method in addition.Obstetric forceps delivery is the obstetric forceps tractive fetal head that two leaves are formed about utilization, assists the puerpera to finish herself inefficient childbirth task.Fetal head height of position in pelvis is divided into basic, normal, high position three classes during according to the placement obstetric forceps.Low forceps delivery is many at present to be replaced by vacuum extraction, the mid forceps particularly operation of low mid forceps delivery does not generally have too big difficulty, but difficulty can be more in laying obstetric forceps and traction for the higher mid forceps delivery of fetal head, cause the chance of damage also can be greatly to fetus; High forceps delivery is very harmful to mother, fetus, and this art is discarded already.Though the obstetric forceps delivery applicating history is long, because the defective that it is subjected to condition restriction and self exists is progressively replaced by the fetal head suction.Vacuum extraction is to place on the fetal head with vacuum extractor, form certain negative pressuren zone and hold fetal head, by drawing a kind of apparatus ovarian cystectomy of assisting fetus to give birth to, though this method is grasped easily, and certain shortcoming is also arranged, it is limited that is exactly vacuum extractor and fetus head contact area, when traction, can not be firmly excessive, in order to avoid landing suddenly causes the fetus intracranial hemorrhage.From theoretical and put into practice the aspect, above-mentioned practise midwifery method cuts both ways, and its indication and contraindication are respectively arranged.Therefore people are studying and are seeking to do a lot of work aspect new more perfect, effective borning aided device and the corresponding ovarian cystectomy.

The objective of the invention is that prior art exists is dangerous, cause the damage chance to reach the shortcoming of indication limitation greatly to fetus in order to avoid or to reduce, and design a kind of safer, effectively, mantle type tent foetus head tractor easily.

Main contents of the present invention: mantle type tent foetus head tractor by curtain enclose, jig, cyclophon three parts form, wherein to enclose be folding to curtain, shape after opening is as " drum ", the bottom surface upwards has circular hole, the side has sack, jig is inserted in the sack, and cyclophon also is connected on act side of enclosing.

The present invention will be further described below in conjunction with accompanying drawing, and accompanying drawing is the mantle type tent foetus head tractor structural representation.1. acts are enclosed among the figure, 1a. jig bag, and 1b. circular hole 2. jigs, the 2a. handle, 3. cyclophon, the 3a. rotating seat, the 3b. sleeve pipe, the 3c. drive line, 3d. rotates handwheel.

Can find out that by accompanying drawing curtain encloses and can fold, the shape after opening such as same " drum ", curtain Enclose sack on the side and be jig bag it and curtain and enclose and be connected as a single entity, and the jig bag equally spaced is connected on, and curtain encloses On the side, number is 2～6, the jig bag be shaped as strip, width is 10mm～30mm, and is high with curtain The height that encloses is 60mm～80mm, on the bottom surface that curtain encloses, has three circular holes in addition, executes the patient and will point Put into circular hole and execute torsion or pulling force, it is 330mm～380mm that curtain encloses girth.

Curtain enclose the optional usefulness of material therefor have smooth, matter is soft, inextensibility, medical soft that pull resistance is good Material.

Jig be shaped as strip, width is 10mm～30mm, thickness is 1mm～3mm, is carved with scale on the jig, can know the degree of depth that jig enters from scale, one end of jig is a handle, the other end is an insertion end, and it is inserted in curtain and encloses in the lateral jig bag, executes the patient and can hold handle end, transvaginal prolongs between fetal head and the vaginal wall the curtain shroud on the appropriate position of fetal head, then jig is extracted out.

The jig material therefor is optional with rubber-like medical soft material.

Being connected on an act cyclophon that encloses on the side is made up of rotating seat, drive line, sleeve pipe, rotation handwheel, wherein rotating seat is connected on the curtain side of enclosing and curtain encloses and is connected as a single entity, shape such as same " circular cone ", connect drive line at cone tip part, the other end of drive line is connected on and rotates on the handwheel, rotate handwheel and can do positive and negative both direction rotation, and can be at a certain locking position.On drive line, be with flexible sleeve pipe in addition, the effect of cyclophon be exactly when the curtain shroud behind the fetal head appropriate location, rotate handwheel, on drive line effect rotating seat, make the rotating seat rotation tighten up curtain and enclose, make it to be loudspeaker tubular lock ring, be convenient to execute the patient and force in fetal head in fetal head.

In actual applications, the optional usefulness of sleeve pipe and rotating seat has the medical soft material antitorque, that drawing property is good, rotates the material of handwheel and drive line and can select hard material for use.

Adopting its practise midwifery principle of the present invention is to utilize fetal head in its week footpath big end pro-of intravaginal, and all footpaths small end is in the characteristics of back, by jig curtain is enclosed and to put through the big footpath of fetal head to thereafter less than the position, footpath, regulate cyclophon, rotate handwheel, tightening up curtain encloses, make it lock ring on fetal head, the restriction fetal head come off, execute the patient with finger be placed in the curtain enclose circular hole place, bottom surface, apply torsion or pulling force, the motion of drive fetal head, thereby reach the purpose of practise midwifery, with obstetric forceps delivery, vacuum extraction and maneuver fetal head method of rotation are compared has following characteristics: finish the funtion part (curtain encloses) of practise midwifery for full soft material constitutes, so female youngster both sides damage possibility due to the no rigidity obstetric forceps because of the present invention 1..2. easy and can hold to cover under (expansion) condition in the exhibition of minimum vagina and place the appropriate position of fetal head because of modes of emplacement of the present invention (bell-type), so youngster no obstetric forceps delivery, maneuver fetal head method of rotation are inserted obstetric forceps, the operation inconvenience when free-hand, and hold and oppress that female youngster damages due to the fetal head because of big vagina exhibition.3. because of the facial table of the present invention and fetal head contact area all greatly increases than obstetric forceps, vacuum extractor, free-hand finger, so it is overstocked by force little to revolve under the condition of pulling up per surface on an equal basis, so the fetal damage probability is little.4. because of the present invention contacts soft applying with soft with the fetal head face,, pull up all really, reliably so transmit to revolve, so practise midwifery is effective than obstetric forceps, vacuum extractor, finger so be certain getting in touch for moulding mode mutually.5. can regulate as required because of curtain of the present invention encloses week footpath, can suitably implement the practise midwifery action under the banding fetal head condition, thus between no obstetric forceps standard leaf directly the non-individuation to fetal head clamp the limit effect.6. because of characteristics such as soft structures of the present invention are easy and simple to handle with placement, vagina exhibition capacitive is little, can adapt to the head position difficult labour practise midwifery that the palace mouth is opened entirely, the presentation level is higher, so indication is all than obstetric forceps delivery, vacuum extraction, maneuver fetal head method of rotation broadening.7. because of this apparatus structure characteristics, modes of emplacement do not have higher specification requirement to executing the patient, be easy to grasp or promote.8. the present invention's tentatively clinical verification proves its practise midwifery safety, effective.

Embodiment:

Curtain after opening encloses 1 as same " drum ", it is 80mm that curtain encloses 1 height, girth is 350mm, curtain encloses and has 3 strip jig bag 1a on 1 side, width is 15mm, and height is 80mm, has 3 circular port 1b on the bottom surface that curtain encloses, executing the patient can collude finger in the circular port 1b, the jig 2 that is inserted among the jig bag 1a is shaped as strip, and width is 14mm, and thickness is 1mm, the quantity of jig 2 is 3, in use, the handle 2a of hand-holdable jig 2 encloses the 1 appropriate position that covers on fetal head with curtain, extract jig 2 out, handwheel 3d is rotated in rotation, and rotatory force acts on by drive line 3c and executes on the swivel base 3a, and rotating seat 3a rotates, furling curtain encloses 1 and makes it to be the loudspeaker tubular, lock ring is on fetal head, and handwheel 3d is rotated in locking then, executes the patient finger is colluded in curtain encloses circular hole 1b on 1 bottom surface, execution reverse or the tractive fetal head to reach the purpose of practise midwifery, the structure chart of embodiment is as shown in drawings.

Claims (7)

1. mantle type tent foetus head tractor, it is characterized in that this mantle type tent foetus head tractor by curtain enclose, jig, cyclophon three parts form, wherein to enclose be folding to curtain, shape after opening such as same " drum ", the bottom surface has circular hole, have sack on the side, jig is inserted in the sack, and cyclophon also is connected on act side of enclosing.

2. mantle type tent foetus head tractor according to claim 1, it is characterized in that it is that jig bag it and curtain enclose and be connected as a single entity that curtain encloses sack on the side, be evenly distributed on act side of enclosing, quantity is 2～6, the shape of jig bag is a strip, and width is 10mm～30mm, and the high height that encloses with curtain is 60mm～80mm, have 3 circular ports on the bottom surface that curtain encloses, the girth that curtain encloses is 330mm～380mm.

3. mantle type tent foetus head tractor according to claim 1 and 2 is characterized in that it is the medical soft material that curtain encloses material therefor.

4. mantle type tent foetus head tractor according to claim 1 is characterized in that the strip that is shaped as of jig, and width is 10mm～30mm, thickness is 1mm～3mm, is carved with scale on the jig, and an end of jig is a handle, the other end is an insertion end, is inserted in curtain and encloses in the jig bag on the side.

5. according to claim 1 or 4 described mantle type tent foetus head tractors, the material that it is characterized in that jig is medical soft and whippy material.

6. mantle type tent foetus head tractor according to claim 1, it is characterized in that being connected on an act cyclophon that encloses on the side is made up of rotating seat, drive line, sleeve pipe, rotation handwheel, wherein rotating seat is connected on the curtain side of enclosing and curtain encloses and is connected as a single entity, shape such as same " circular cone ", connect drive line at cone tip part, the other end of drive line is connected on and rotates on the handwheel, also is with sleeve pipe in addition on the drive line.

7. according to claim 1 or 6 described mantle type tent foetus head tractors, it is characterized in that the optional usefulness of sleeve pipe and rotating seat has the good medical soft material of antitorque drawing property; The material that rotates handwheel and drive line is a hard material.