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27 results about "Birth canal" patented technology

Pull-type midwifery assist device

The traction type midwifery assist device comprises an outer head sleeve and an inner head sleeve, and the outer head sleeve comprises an outer sleeve and an elastic clamping jaw; the inner head sleeve comprises a sleeve body, a traction pull rod and a covered edge. On one hand, on the basis of collaborative design of the elastic clamping jaws and the sleeve body, initial wrapping can be formed along with automatic outward expansion and inward contraction of the fetal head during midwifery, the edge of the sleeve opening is driven to be overturned and tightened inwards by means of the opposite acting force of the traction pull rod and the outer sleeve, dynamic gradual wrapping of the fetal head is achieved, wrapping traction can be achieved after the outer head sleeve is detached outwards, and the operation is convenient. The risk of fetal head slippage is reduced, the traction stability is enhanced, scalp hematoma, tissue injury and maternal soft birth canal injury possibly caused by traditional negative pressure suction are effectively avoided, and the safety of a mother and an infant is improved; and on the other hand, the matching of the claw tips and the covered edges is ingeniously utilized, so that the interference of the covered edges on the size change of the sleeve opening is reduced, and a smaller covering opening can be provided during inward turning covering so as to increase the covering force formed by the sleeve body and the fetal head.
Owner:TAICANG KANGHUI TECH DEV

Prone position midwifery medical chair

The utility model discloses a prone position midwifery medical chair which comprises a base support, a chair back, a telescopic rod and a linear moving device. The chair back comprises a supporting plate, a left supporting rod and a right supporting rod, wherein the left supporting rod and the right supporting rod are located on the two sides of the supporting plate and extend outwards, and the concave chair back is defined by the left supporting rod, the right supporting rod and the supporting plate. A cushion is arranged at the top of the front end of the base support, the left supporting rod and the right supporting rod are hinged to the base support, the linear moving device is arranged in the base support and comprises a linear moving block, one end of the telescopic rod is hinged to the supporting plate, and the other end of the telescopic rod is hinged to the linear moving block. And the hinge point positions of the left supporting rod and the right supporting rod on the base bracket are matched with the position of the cushion. The angle of the chair back can be freely and automatically adjusted, the most comfortable lying angle can be found for a puerpera, even the puerpera can be completely put down, the puerpera does not need to worry about turning over, and meanwhile medical staff can conveniently observe the condition of an obstetric duct opening.
Owner:YUYAO PEOPLES HOSPITAL

Wearable birthing simulators

A wearable birthing simulator and method of operating thereof are disclosed. The simulator includes a housing that is securable to a subject and the housing defines an opening. Positioned within the housing is a uterus simulator and a removable fetal model contained therein. Coupled to the uterus simulator is a birth canal simulator. A birthing device comprises an actuator assembly in communication with the controller for automatically moving the fetal model towards the birth canal simulator. One or more sensors are mounted to the housing and are electrically connected to the controller for detecting movement of the fetal model by the birthing device. The feedback device is configured to provide the haptic feedback to the subject in response the movement of the fetal model toward the birth canal simulator. The disclosed simulator may be used to simulate a variety of childbirth scenarios.
Owner:AVKIN INC

A midwifery system and method for dynamic correction of fetal head position and assessment of birth canal compatibility

This invention relates to the field of midwifery technology, specifically to a midwifery system and method for dynamic correction of fetal head position and assessment of birth canal compatibility. The invention determines a scalp adhesion index based on the degree of time lag between the midwifery traction force and the relative displacement of the handle within a pre-defined analysis period before each moment in the traction period; it determines a force-pressure hysteresis coefficient based on the degree of non-coordinated change between the midwifery traction force and the change in negative pressure within the traction period; it corrects the relative displacement of the handle at each moment in the traction period based on the scalp adhesion index and the force-pressure hysteresis coefficient, determines the estimated skull descent, and selects the net bone propulsion value for the traction period; and it assesses the birth canal compatibility status during the traction period based on the force-pressure hysteresis coefficient and the net bone propulsion value. This invention combines the force-pressure hysteresis coefficient, representing the efficiency of midwifery operations, with the net bone propulsion value, representing the actual labor progress, to accurately distinguish the physical causes of labor stagnation and improve the accuracy of birth canal compatibility assessment.
Owner:AFFILIATED HOSPITAL OF INNER MONGOLIA MEDICAL UNIV (INNER MONGOLIA AUTONOMOUS REGION CARDIOVASCULAR INST)

Obstetric apparatus for sow delivery

The utility model relates to the technical field of sow parturition, in particular to an obstetric apparatus for sow parturition, which comprises a fixing tube, one end of the fixing tube is fixedly connected with a hard tube, the other end of the fixing tube is provided with a negative pressure suction tube, one end of the hard tube is fixedly connected with a hose, one end of the negative pressure suction tube is provided with an aspirator, and the other end of the negative pressure suction tube is provided with an aspirator. The top of one side of the fixing pipe is fixedly connected with an air inlet pipe, and one end of the air inlet pipe is fixedly connected with an inflator. According to the obstetric apparatus for sow parturition, through the arrangement of the fixing pipe, the negative pressure suction pipe, the suction unit, the servo motor, the rotating rod and the spiral blade, when the obstetric apparatus is used, the obstetric apparatus is placed in the birth canal of a sow, after the suction unit is started, the negative pressure suction pipe applies negative pressure to the birth canal of the sow to guide stillbirth to enter the fixing pipe, and meanwhile the servo motor operates to drive the rotating rod to rotate; the rotating rod rotates to drive the spiral blade to decompose the stillbirth, the stillbirth can be taken out from the birth canal, and the effect of guaranteeing the health of the sow is achieved.
Owner:SHAANXI AGRICULTURE & FORESTRY VOCATIONAL & TECHNICAL UNIVERSITY

Transfer of a preterm baby from a natural womb

The present invention relates to a transfer assembly for transferring a preterm baby from a natural womb of a pregnant mammal to a transfer bag, comprising abase device having a pass-through opening configured to allow the preterm baby to pass through the base device, and wherein the base device is connected to a birth canal retractor, said birth canal retractor comprises a flexible sleeve disposed between the base device and an adjustable access ring, which retractor is to be inserted into the birth canal of the pregnant mammal at least with the access ring thereof, and wherein the access ring is configured to be expanded or inflated while in the birth canal, wherein the assembly further comprising a transfer device comprising the transfer bag, said transfer bag being a flexible bag provided with an opening configured to allow the preterm baby to be received in the transfer bag, and wherein the opening is further provided with a coupling member, which coupling member is releasably secured to the base device, and wherein the transfer bag is provided with at least one integrated glove for receiving the hand of a medical practitioner in order to allow the transfer the preterm baby from the natural womb into the transfer bag.
Owner:TECH UNIV EINDHOVEN

Intelligent visual midwifery system for obstetrics and gynecology department based on ultrasonic technology

The invention discloses an intelligent visual midwifery system for gynaecology and obstetrics based on an ultrasonic technology, and relates to the technical field of intelligent evaluation of a delivery process. Key features such as a fetal structure, cervical dilatation and a pelvic form are extracted by collecting two-dimensional and three-dimensional ultrasonic images of a pelvic cavity area of a puerpera in real time; a high-dimensional parameter model is constructed in combination with the uterine contraction period, the body position change trend and the fetal head rotation angle and is used for predicting the delivery stage; meanwhile, an individualized digital twinborn three-dimensional maternal pelvis model is established based on recognition and prediction results, a fetal head descending path and birth canal dynamic deformation are simulated, and three-dimensional visual display is provided; furthermore, cross validation is carried out through a preset rule base and a neural network output result, and abnormal trend recognition and intervention suggestion pushing are realized; the intelligent level and the precision level of birth process monitoring are improved, and the scientificity and the safety of clinical midwifery decision making are enhanced.
Owner:CHENGDU HESHI CO CREATION TECHNOLOGY CO LTD

Obstetric and gynecologic surgery traction dilator forceps

ActiveCN309958480SDilatorForceps
1. The name of the design product: obstetric surgery traction dilatation forceps. 2. The use of the design product: for dilating the birth canal and traction of the fetal head to assist in delivery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:THE THIRD PEOPLES HOSPITAL OF YUHANG DISTRICT HANGZHOU

Methods and apparatus for reduction of maternal injury during childbirth

PendingUS20260108274A1DilatorsMedical devicesPerineal lacerationDilator
Devices and methods that prepare the vaginal tissue of the mother's birth canal during labor so as to prevent pelvic floor damage, and vaginal and perineal lacerations. The devices may be modular and in one example include two modules, a dilator module that comprises a dilator capable of expanding the vaginal canal of a mother who is experiencing labor and a control module that is capable of connecting to the dilator module. The two modules can be separated so that the dilator module can be physically separated from the control module. In one embodiment the dilator module is comprised of disposable elements and maybe disposed of after use. The control module may be a reusable module that can be covered during use and sterilized after use for reuse in subsequent procedures.
Owner:MATERNA MEDICAL INC

Obstetric apparatus for veterinarian midwifery

The utility model relates to the technical field of veterinary medical equipment, and discloses a veterinary midwifery device which comprises a vertical plate fixedly connected to the rear side of the top end of a bottom plate, the upper side of the rear end of the vertical plate is fixedly connected with a rectangular frame, the right end of the inner wall of the rectangular frame is fixedly connected with an electric push rod, and the telescopic end of the electric push rod is fixedly connected with a rectangular block. A first sliding plate is connected to the upper side of the rectangular block through a first connecting assembly, a second sliding plate is connected to the lower side of the electric push rod through a second connecting assembly, a supporting frame is fixedly connected to the top end of the supporting table, a rotating disc is rotationally connected to the rear end of the inner wall of the supporting frame, and a second straight gear is connected to the front end of the rotating disc through a meshing assembly. According to the animal birth canal expanding device, the animal birth canal can be expanded to different degrees, the animal is prevented from clamping the birth canal due to pains, harm to animal cubs is avoided, a veterinarian can conveniently carry out delivery assisting operation, the animal cubs can be pulled out of the animal birth canal quickly in a labor-saving mode with the help of external force, and pains of the animal during delivery are relieved.
Owner:HEILONGJIANG BAYI AGRICULTURAL UNIVERSITY

Sow delivery aiding traction device and working method thereof

The invention relates to a sow delivery-aiding traction device and a working method thereof.The sow delivery-aiding traction device comprises a supporting and cleaning mechanism and a traction mechanism, the supporting and cleaning mechanism comprises a lifting seat, pneumatic cylinders are symmetrically installed on the lifting seat, the telescopic ends of the pneumatic cylinders are connected with a base below the lifting seat, and supporting ring frames are symmetrically installed on the lifting seat; a rotating wheel ring is rotatably mounted in the supporting ring frame, a plurality of guide wheels are rotatably mounted on the inner side of the rotating wheel ring, a plurality of sliding rails and supporting rods are arranged on one supporting ring frame at equal angles, and sliding blocks are slidably mounted on the sliding rails; by integrating a high-definition camera and a light supplementing lamp at the front end of the traction mechanism, an operator can observe the position, the fetal position and the mucous membrane state of a piglet in a birth canal in real time, visual, guidable and accurate operation is achieved, tissue damage caused by blind traction is thoroughly avoided, and the labor intensity of the operator is relieved. The device is especially suitable for complex conditions such as abnormal fetal position and narrow birth canal.
Owner:SHANDONG JINWEIKANG ECOLOGICAL AGRI SCI & TECH DEV CO LTD

Midwifery delivery device

PendingCN121154385AOperating tablesEndoscopesSafe deliveryApparatus instruments
The invention relates to the technical field of medical instruments, in particular to a midwifery delivery device which comprises a control cabinet, a supporting bottom frame is arranged on the front side of the control cabinet, an auxiliary mechanism is arranged on the top of the supporting bottom frame, a circuit is fixedly connected to the front side of the control cabinet, and the side, away from the control cabinet, of the circuit is fixedly connected to the rear side of the auxiliary mechanism. By arranging the control cabinet, the supporting bottom frame and the auxiliary mechanism, automatic and precise control over birth canal expansion in the delivery process of a puerpera is achieved, the birth canal expansion amplitude can be flexibly adjusted according to actual requirements through the synergistic effect of the electric push rod, the adjusting assembly and the birth canal expansion assembly, the whole expansion process is stable and orderly, and the labor intensity of the puerpera is relieved. Errors and risks possibly caused by manual operation are effectively reduced, meanwhile, continuous and effective disinfection of the birth canal and the surrounding area in the delivery process is ensured through arrangement and a moving mechanism of the disinfection light plate, and a safer delivery environment is provided for a puerpera and a fetus.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Sow farrowing behavior analysis and abnormality detection method and system for pig house

The present application relates to the technical field of computer vision, in particular to a sow farrowing behavior analysis and abnormality detection method and system for a pig house, comprising the following steps: locking a back skeleton based on vision and analyzing an abdominal optical flow phase matrix, comparing biological conduction speed to verify the effectiveness of the force, mapping a soft tissue elasticity potential sequence at the birth canal, calculating the total amount of potential accumulation and the retraction slope, identifying the soft tissue fatigue limit and the retraction abnormal state, and warning about obstructive dystocia. In the present application, the space-time conduction logic of muscle contraction wave is analyzed by constructing an abdominal grid optical flow phase delay matrix, the physiological effectiveness of the force is verified according to the biological muscle group conduction speed interval, the respiratory fluctuation and random body motion interference are accurately separated, the soft tissue cumulative load and retraction function are quantified in real time by combining the elasticity potential time sequence at the birth canal and the time dimension integral operation, the pathological state of exceeding the fatigue limit and the retraction rate is identified in the early stage of labor obstruction, and the timeliness and accuracy of dystocia warning are improved.
Owner:ANIMAL SCI RES INST GUANGDONG ACADEMY OF AGRI SCI

Apparatus for measuring pushes during labor

ActiveUS12672810B2Abdominal musculatureCatheter
Owner:SMITH FORREST O

Apparatus, methods, and systems for measuring cervical dilation using structured light

A portable system to be inserted within the birth canal for measuring dilation of a cervical region is disclosed. The system comprises a housing having a first portion sized to conform to a user's hand thereby defining a handle and a second portion sized to be inserted into the birth canal. The system includes two structured light sources configured to project a pattern onto the cervical region, a sensor, a trigger interface, a power source, and the processor configured for capturing image sensor data. The processor is configured for receiving image data from the sensor, processing the image sensor data, calculating a measurement of the dilation of the cervical region, and transmitting the data. The processor will transmit the data onto the display, presenting the measurement of dilation as well as a visual representation of the measurement.
Owner:NAVIWALA FARHAN

Obstetric lateral cutting device

The application discloses an obstetrical lateral cutting device, and relates to the technical field of medical devices.The device comprises a lateral cutting shear, a buffer unit, a buffer pad, a pair of pressure plates, and a bolt.The lateral cutting shear comprises a first cutter head, a second cutter head, a cutter handle fixed on one end of the first cutter head and the second cutter head, and a center column hingedly connected with the first cutter head and the second cutter head.The buffer unit is sleeved and fixed on the outer wall of the first cutter head.The buffer unit comprises the buffer pad, the pair of pressure plates hingedly connected with one side of the buffer pad, and the bolt penetrating through the inside of each pressure plate.The beneficial effects of the application are as follows: the buffer unit can protect the fetus, stop bleeding immediately, and achieve the effect of multi-stage bleeding;the arc-shaped tip of the buffer pad can be effectively inserted into the gap between the head of the fetus and the inner wall of the birth canal;the folded isolation film forms a physical barrier, can block the contact between the first cutter head and the head of the fetus, eliminates the operation step of blocking and protecting by the fingers of the doctor in the traditional surgery, significantly reduces the complexity of the surgery, and improves the operation safety.
Owner:GENERAL HOSPITAL OF NUCLEAR IND

Dual-purpose nursing device for adding birth canal in obstetrics and gynecology department

The invention relates to the technical field of birth canal nursing, and discloses an obstetrics and gynecology birth canal adding dual-purpose nursing device which comprises a liquid storage chamber and a handle, the liquid storage chamber is internally provided with an anti-inflammation cavity and an anesthesia cavity, one side of the interior of the anti-inflammation cavity and one side of the interior of the anesthesia cavity are each provided with an injection part in a sliding mode, and the center of the liquid storage chamber is fixedly connected with a connecting cylinder; a dosing head is inserted into one end of the connecting cylinder, and an anti-inflammation channel and an anesthesia channel are formed in the dosing head. During inflammation diminishing, the administration head is gradually inserted into the birth canal, the injection part is pushed to gradually extrude the anti-inflammatory drug in the anti-inflammatory cavity to diminish inflammation, during anesthesia, the administration head is pulled out, the injection part is pushed to extrude the anesthetic in the anesthesia cavity to anesthetize the birth canal, and inflammation diminishing and anesthesia are performed while the administration head is inserted and pulled. The nursing device does not need to enter the birth canal repeatedly, and pains of puerperae are relieved.
Owner:THE SECOND AFFILIATED HOSPITAL OF ZHENGZHOU UNIV

Methods and apparatus for reduction of maternal injury during childbirth

PCT designated stageWO2026050630A1Gymnastic exercisingDilatorsPerineal lacerationDilator
Devices and methods that prepare the vaginal tissue of the mother's birth canal during labor so as to prevent pelvic floor damage, and vaginal and perineal lacerations. The devices may be modular and in one example include two modules, a dilator module that comprises a dilator capable of expanding the vaginal canal of a mother who is experiencing labor and a control module that is capable of connecting to the dilator module. The two modules can be separated so that the dilator module can be physically separated from the control module. In one embodiment the dilator module is comprised of disposable elements and maybe disposed of after use. The control module may be a reusable module that can be covered during use and sterilized after use for reuse in subsequent procedures.
Owner:MATERNA MEDICAL INC

Intelligent auxiliary method and system for nursing midwifery teaching training

The invention relates to an intelligent auxiliary method and system for nursing midwifery teaching training. The method comprises the steps of obtaining hand posture original data of each calibration point of a student in a simulated birth canal virtual scene and a forefinger fingertip space coordinate true value, performing optimization calculation processing, and generating a personalized hand biomechanical parameter set of the student; calculating the current position of the real fingertip of the student and the virtual force borne by the real fingertip based on the personalized hand biomechanical parameter set in combination with the hand posture data of the student in the midwifery operation training; mapping the virtual force to generate a force feedback equipment control instruction; after the control instruction of the force feedback equipment is executed, obtaining operation data of the student; and based on the operation data, an operation evaluation result of nursing midwifery teaching training is generated. The method can adapt to the individual difference of the hands of the students, solves the problem that the force sense and the visual focus of a traditional system are not matched, and helps the students to form correct muscle memory.
Owner:WUZHOU MEDICAL COLLEGE

Hemostasis device for soft birth canal laceration

The utility model provides a soft birth canal laceration hemostasis device relates to medical instrument technical field, it includes capsule body subassembly and catheter subassembly, capsule body subassembly includes be used for pressing the first capsule body of cervix uteri and be used for pressing the second capsule body of vagina wall, the first capsule body is provided above the second capsule body, the catheter subassembly includes first catheter and second catheter, one end of the first catheter penetrates through the second bag body to be communicated with the first bag body, the other end of the first catheter is connected with one end of the second catheter through the connector, the other end of the second catheter is used for charging and discharging liquid, a plurality of through holes are formed in the first catheter, and the connector is further provided with an inflation inlet. According to the utility model, the cervix uteri part and the vagina wall part can be pressed at the same time, so that a better hemostatic effect is obtained.
Owner:GUANGZHOU PANYU DISTRICT MATERNAL & CHILD HEALTH HOSPITAL (GUANGZHOU PANYU DISTRICT HE XIAN MEMORIAL HOSPITAL GUANGZHOU PANYU DISTRICT CHILDRENS HOSPITAL)

Obstetrical forceps with scissors function for delivery in obstetrical department

The invention relates to the technical field of obstetrical forceps, and particularly discloses an obstetrical forceps with a scissors function for delivery in the obstetrical department, which comprises an obstetrical forceps main body, the obstetrical forceps main body can be divided into a left blade and a right blade, and the tail part of the obstetrical forceps main body is provided with a blade handle; the clamping box is positioned at the tail part of the blade handle; the traction mechanism is positioned at one end of the clamping box, which is opposite to the obstetric forceps main body; the damping mechanism is located between the clamping box and the traction mechanism; when the device is used, a user can decide the force of pulling a tire head through the traction mechanism every time according to the force of clamping a blade handle through the clamping box, different pulling forces and distances are adjusted through the damping mechanism according to the tire heads of different sizes, and the situation that the tire heads are extruded due to the large pulling force is avoided; in the using process, in order to avoid birth canal injury, a perineum lateral cutting operation can be conducted on a puerpera through the cutting piece, and the perineum lateral cutting device is very convenient and safe to use.
Owner:SUZHOU TRADITIONAL CHINESE MEDICINE HOSPITAL

Artificial membrane rupturing device for obstetrics and gynecology department

The utility model relates to the field of artificial membrane rupture, and discloses an artificial membrane rupture device for gynaecology and obstetrics, which comprises a shell, a fixed ring is fixedly connected to the inner wall of the front side of the shell, a movable ring is slidably connected to the inner wall of the rear side of the shell, and a fixed block is fixedly connected to the outer wall of the right end of the movable ring. And a long rod penetrates through the inner wall of the moving ring and is in threaded connection with the inner wall of the moving ring, a moving rod is slidably connected to the inner wall of the long rod, and a limiting assembly is arranged on the inner wall of the bottom end of the shell. According to the utility model, the fixed block is pushed forwards, the movement of the fixed block drives the movable ring and the long rod to move forwards, so that the long rod extends into the channel opening, the fixed block extrudes the embedded block to enable the embedded block to retract to the inner wall of the shell, and when the limiting groove in the fixed block moves to the lower end of the embedded block, the embedded block pops up and is clamped on the inner wall of the fixed block to fix the fixed block; and the position of the long rod is quickly adjusted, and then the long rod is rotated for slow adjustment, so that the time of moving the membrane rupture needle to the amniotic fluid membrane can be saved.
Owner:THE 980TH HOSPITAL OF THE CHINESE PEOPLES LIBERATION ARMY JOINT LOGISTICS SUPPORT FORCE

Vaginal speculum for suturing soft birth canal after delivery

A vaginal speculum for suturing a soft birth canal after childbirth comprises a left opener and a right opener which are in bilateral symmetry, the left opener and the right opener are fixed to the same end of a scissor-fork type supporting rod in a bilateral symmetry mode respectively, and a large rivet penetrates through the scissor-fork portion of the scissor-fork type supporting rod. The right opener and the left opener are of an arc-shaped plate-shaped structure, the inner arc faces of the right opener and the left opener are opposite, blades of a spherical structure are arranged at the outer ends of the right opener and the left opener, and the tips of the outer ends of the blades form arcs. A left handle and a right handle are arranged on the left and right of the other end of the supporting rod respectively. According to the utility model, a deep vagina tearing wound and a cervix uteri wound caused by delivery are convenient to suture, the exposed visual field is wide during use, the suture operation of needle forceps is convenient, the defect that the visual field can only be exposed by hands or a drag hook after the delivery is overcome, one person can operate, the labor cost is saved, the wound is timely sutured, and the blood loss of a puerpera is reduced.
Owner:WEIFANG NURSING VOCATIONAL COLLEGE

Birthing device

A method of making a device for childbirth assistance comprising moulding a hydrogel solution that may comprise synthetic polymer fibres. The method may involve casting the hydrogel solution, initiating hydrogel formation by heating and curing of the cast, followed by a freeze-thaw cycle. The device may further by hydrated by placing it an aqueous solution. The hydrogel solution may comprise a PVA, HEMA or PAAm as the hydrophilic polymer. The synthetic polymer may be nylon and may form a warp-knitted mesh. The method may involve heating the hydrogel under pressure for 1 hour and intermittently mixing it followed by cooling, freezing and thawing the moulded device. The device may be used by placing the hydrogel device 1a on the head of a baby within the birth canal of a subject (7, figure 2) wherein the device may comprise a crown for being worn on the baby’s head and a bulbous rim 3 defining an opening in the crown for receiving the baby’s head. The device may comprise folding the crown or sleeve to create a double layer of reinforced hydrogel between the baby’s head and the birth canal.
Owner:BIRTHGLIDE LTD

Delivery aiding system and method for dynamic correction of fetal head position and evaluation of birth canal suitability

The invention relates to the technical field of midwifery, in particular to a midwifery system and method for fetal head position dynamic correction and birth canal suitability evaluation. The scalp viscosity index is determined based on the time lag degree between the midwifery traction force and the handle relative displacement in the preset analysis time period before each moment in the traction time period; determining a force-pressure hysteresis coefficient based on the non-cooperative change degree of the midwifery traction force and the negative pressure variation in the traction period; based on the scalp viscosity index and the force pressure hysteresis coefficient, correcting the relative displacement of the handle at each moment in the traction time period, determining an estimated skull descending amount, and selecting a net bone advancing value in the traction time period; and based on the force pressure hysteresis coefficient and the net bone propulsion value, evaluating the birth canal suitability state in the traction period. According to the method, the force pressure hysteresis coefficient representing the midwifery operation efficiency and the net bone propulsion value representing the actual parturition process result are combined, the physical essence causing parturition process stagnation is accurately distinguished, and the accuracy rate of parturition canal suitability evaluation is improved.
Owner:AFFILIATED HOSPITAL OF INNER MONGOLIA MEDICAL UNIV (INNER MONGOLIA AUTONOMOUS REGION CARDIOVASCULAR INST)

Visual obstetric forceps

The utility model discloses a pair of visual obstetric forceps which comprises a forceps holder assembly, and a lock catch, an adjusting assembly used for adjusting the clamping force of the forceps holder assembly and a monitoring assembly used for monitoring the condition in a birth canal are arranged on the forceps holder assembly. The forceps holder assembly comprises a first forceps handle and a second forceps handle, the first forceps handle and the second forceps handle are detachably connected through a lock catch, and the front end of the first forceps handle and the front end of the second forceps handle are each fixedly connected with a forceps blade. When the first forceps handle and the second forceps handle rotate with the lock catch as the axis, the second support can be driven to slide in the inner cavity of the sliding groove, the rotary knob is rotated to drive the tooth block to move downwards till the tooth block is meshed with the rack, the clamping angle of the forceps holder assembly can be fixed, and surgical operation is facilitated; the condition that the head of a fetus is injured due to non-uniform force of the hand is prevented; the clamping force of the forceps holder assembly can be adjusted by adjusting the meshing position of the tooth block on the rack.
Owner:BEIJING LUHE HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

First twin cervical dilation system and method

ActiveUS12714465B1IntroitusDouble cervix
An active labor assistant system includes a cervix, vaginal, vaginal introitus (entire birth canal) dilator. The birth canal dilator includes a shaft extending along a longitudinal axis. The shaft defines a passageway. A balloon includes a proximal end coupled to the shaft and a distal end that is coaxial with the longitudinal axis. The balloon defines a chamber that is in communication with the passageway. The shaft is configured to be coupled to an inflation source to move an inflation material through the passageway and into the chamber to move the balloon between an uninflated configuration in which the distal end of the balloon has a convex orientation an inflated configuration for insertion in which the distal end of the balloon has a concave orientation.
Owner:THOMPSON STEPHEN W