CN112617988A - Obstetric device for obstetrics and gynecology department - Google Patents

Obstetric device for obstetrics and gynecology department Download PDF

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Publication number
CN112617988A
CN112617988A CN202110074170.4A CN202110074170A CN112617988A CN 112617988 A CN112617988 A CN 112617988A CN 202110074170 A CN202110074170 A CN 202110074170A CN 112617988 A CN112617988 A CN 112617988A
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China
Prior art keywords
pressure
forceps
regulating
tension
obstetric
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CN202110074170.4A
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Chinese (zh)
Inventor
张哲�
李晨阳
雷小雨
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Jinan Zhangqiu Traditional Chinese Medicine Hospital
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Jinan Zhangqiu Traditional Chinese Medicine Hospital
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Priority to CN202110074170.4A priority Critical patent/CN112617988A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A61B17/44—Obstetrical forceps
    • A61B17/442—Obstetrical forceps without pivotal connections, e.g. using vacuum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0833—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures
    • A61B8/0841—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures for locating instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0866—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving foetal diagnosis; pre-natal or peri-natal diagnosis of the baby
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00106—Sensing or detecting at the treatment site ultrasonic
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A61B17/44—Obstetrical forceps
    • A61B2017/445—Obstetrical forceps with force indication
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A61B17/44—Obstetrical forceps
    • A61B2017/447—Obstetrical forceps with force limitation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2063—Acoustic tracking systems, e.g. using ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2065—Tracking using image or pattern recognition

Abstract

The invention relates to a delivery assisting device for obstetrics and gynecology department, which comprises a control computer, a main control cabinet, an ultrasonic probe, pressure-regulating obstetric forceps and a tension detector, wherein the control computer is connected with the main control cabinet; the computer is connected with a main control cabinet, and the main control cabinet is respectively connected with the ultrasonic probe, the pressure regulating obstetric forceps and the tension detector; the main control cabinet is provided with a pressure regulating air pump, an ultrasonic transceiving driver and a tension detection controller. Have the small suction cup of different sizes on the pressure regulating obstetric forceps, can be according to particular case, adjust sucking disc suction through the computer, reduce the injury of obstetric forceps to the foetus, guarantee foetus safety delivery, confirm its position through ultrasonic detection when the obstetric forceps are put into, can be accurate adsorb the sucking disc on foetus's skin, avoid using the imprecision nature of hand touch, also avoid the sucking disc to inhale foetus otorhinolaryngology etc. and cause the injury.

Description

Obstetric device for obstetrics and gynecology department
Technical Field
The invention relates to the field of medical instruments, in particular to a delivery assisting device for obstetrics and gynecology department.
Background
The forceps operation refers to an operation of using forceps to pull a fetal head to help the fetus to be delivered. The utility model is divided into the following steps according to the height of the fetal head in the pelvic cavity when placing the obstetric forceps: the lower obstetric forceps indicate that the bone part of the fetal head reaches the pelvic floor, and the sagittal suture is on the anterior-posterior diameter of the pelvic outlet. Second, middle obstetric forceps, which means that the two apical diameters of the fetal head have passed through the entrance of the pelvis but not reach the pelvic floor. Thirdly, the high obstetric forceps indicate that the fetal heads are not connected, namely the double apical diameters do not pass through the pelvic inlet. The lower obstetric forceps are commonly used.
Application No.: 201910295128.8 discloses a no wound obstetric forceps, including the pincers handle, with the tong arm that the pincers handle is connected, with the binding clip that the tong arm is connected, still including setting up silica gel cover that has the clamping face on the binding clip, establish can change the deformation mechanism of structure on the clamping face, however the deformation mechanism of its setting only can play the effect that reduces the injury, takes place to sideslip easily when using, leads to being difficult to drawing forth the foetus.
Application No.: 201711124225.8 discloses obstetric forceps for gynaecology and obstetrics, which comprises a supporting tube, a pull tube, a rubber tube and a plurality of elastic strips, at the supporting tube internal fixation first crown plate, the equal fixed connection of each elastic strip one end is on first crown plate, the pull tube inserts in first crown plate, and each elastic strip is round supporting tube axis evenly distributed, the rubber tube sets up in the space that encloses by each elastic strip, the equal fixed connection of supporting tube one end is kept away from to each elastic strip in rubber tube one end, the rubber tube other end and pull tube fixed connection, the elastic strip one end is kept away from to the pull tube and an exhaust tube is connected. Although the scheme of increasing kneading force by utilizing air pressure can reduce the pain of a lying-in woman, the volume is large, and the lying-in woman is easy to sideslip; the forceps are difficult to position during use.
Disclosure of Invention
In order to solve the problems, the obstetric apparatus for obstetrics and gynecology department comprises a control computer, a main control cabinet, an ultrasonic probe, a pressure-regulating obstetric forceps and a tension detector; the computer is connected with a main control cabinet, and the main control cabinet is respectively connected with the ultrasonic probe, the pressure regulating obstetric forceps and the tension detector; the main control cabinet is provided with a pressure regulating air pump, an ultrasonic transceiving driver and a tension detection controller;
the ultrasonic probe is connected with an ultrasonic transceiving driver, and the ultrasonic transceiving driver displays a detection image of the ultrasonic probe on a display screen of the control computer in real time; the pressure-regulating obstetric forceps are connected with a pressure-regulating air pump, a sucker is arranged on the pressure-regulating obstetric forceps, and the suction force of the sucker is controlled by the pressure-regulating air pump; the tension detection controller is connected with a tension detector, the tension detector can be mounted on a handle of the pressure-regulating obstetric forceps, the tension detector detects tension when the pressure-regulating obstetric forceps are used, and a tension value is sent to the tension detector controller;
the computer reads the tension value of the tension detector from the tension detection controller in real time, and calculates the negative pressure of the pressure-regulating air pump according to the tension value of the tension detector.
The ultrasonic probe is a convex array probe, a linear array probe or a phased array probe, and can sweep the abdomen;
the ultrasonic probe is a dual-frequency probe, the first frequency used by the ultrasonic probe can image the pressure-regulating obstetric forceps and the sucker on the pressure-regulating obstetric forceps, and the second frequency used by the ultrasonic probe can image the fetus in the uterus; the ultrasonic receiving and transmitting driver calculates according to ultrasonic echoes sent and received by the ultrasonic probe and obtains ultrasonic scanning image data; the ultrasonic receiving and transmitting driver sends the ultrasonic scanning image data to the control computer, and the control computer displays the ultrasonic scanning image on a display screen of the control computer in real time.
The pressure regulating obstetric forceps comprise a first forceps body and a second forceps body, and the first forceps body and the second forceps body respectively comprise a forceps body main body and a contact disc; the clamp body is made of metal material, and the inside of the clamp body is hollow;
the clamp body main body comprises a front end and a handle, and a hole for installing a pin rod for connecting the first clamp body and the second clamp body is arranged between the front end and the handle; the contact discs are disc-shaped, the contact discs are arranged at the front end of the clamp body main body, and after the first clamp body and the second clamp body are connected, the disc centers of the two contact discs are opposite;
a plurality of small suckers are densely distributed on the surface of the two contact plates where the plate centers are located, and the diameters of the small suckers are 1-2 cm; the small suckers are densely distributed on the whole contact disc surface; the small sucker is communicated to the pressure regulating air pump through a hollow part inside the first clamp body or the second clamp body.
The tension detector is barrel-shaped, two hooks and two tension sensors are arranged inside the tension detector, and each hook is connected with one tension sensor; the tail of the handle of the pressure regulating obstetric forceps is provided with a ring for hooking by a hook, and the first forceps body and the second forceps body are connected and then hooked by the hook of the tension detector to realize the detection of the tension applied by the pressure regulating obstetric forceps by an operator.
The control computer is provided with an input function and can input a voltage regulation coefficient k;
the negative pressure P of the pressure-regulating air pump satisfies the following relationship:
P=kF/S
wherein: f, the pulling force value of the pulling force detector, S and the pressing contact area of all the suckers are the sum of the pressing contact areas of the suckers, and the pressing contact area is the contact area of the suckers and the sucked object when the suckers act.
The pressing contact area of each sucker, close to the first clamp body or the second clamp body, on the contact disc is larger than that of each sucker far away from the first clamp body or the second clamp body; the pressing contact area is in inverse proportion to the distance between the sucker and the tail end of the handle;
namely, the relationship: sn ^ 1/Ln;
wherein Sn is the pressing contact area of the nth sucker, and Ln is the linear distance from the center of the nth sucker to the tail end of the handle of the pressure-regulating obstetric forceps.
The invention has the beneficial effects that: the sucking disc on the pressure-regulating obstetric forceps is composed of the plurality of small sucking discs, negative pressure is effectively provided, the air leakage condition of the large sucking disc is avoided, and the damage to a fetus caused by the sucking discs is reduced due to the arrangement of the plurality of small sucking discs. The pressure of sucking disc changes along with the pulling force when obstetric forceps outwards draw, and the pulling force is big more, and the suction of sucking disc is big more to stability when having guaranteed promptly outwards drawing has guaranteed again that the power of drawing outwards is little to the suction of foetus when being small, reduces the injury to the foetus. The area of the small sucker is uneven, the area of the sucker close to the outside is large, and the actual stress condition is met. Confirm its position through ultrasonic testing when obstetric forceps put into, can be accurate adsorb the sucking disc on foetal skin, avoid using the imprecision that the hand touched, also avoid the sucking disc to inhale foetus ear-nose-eye mouth etc. and cause the injury.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings illustrate the implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of implementations of the disclosed subject matter. No attempt is made to show structural details of the disclosed subject matter in more detail than is necessary for a fundamental understanding of the disclosed subject matter and various modes of practicing the same.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the contact plate structure of the pressure regulating obstetric forceps of the present invention;
fig. 3 is a schematic structural diagram of the pressure regulating obstetric forceps of the present invention.
Detailed Description
The advantages, features and methods of accomplishing the same will become apparent from the drawings and the detailed description that follows.
Example 1:
this embodiment describes a specific structure of the present invention. With reference to fig. 1-3, the obstetric apparatus for obstetrics and gynecology department of the present invention comprises a control computer 1, a main control cabinet 2, an ultrasonic probe 3, a pressure-regulating obstetric forceps 4 and a tension detector 5; the computer is connected with a main control cabinet 2, and the main control cabinet 2 is respectively connected with an ultrasonic probe 3, a pressure regulating obstetric forceps 4 and a tension detector 5; the main control cabinet 2 is provided with a pressure regulating air pump, an ultrasonic transceiving driver and a tension detection controller;
the ultrasonic probe 3 is connected with an ultrasonic transceiving driver, and the ultrasonic transceiving driver displays the detection image of the ultrasonic probe 3 on a display screen of the control computer 1 in real time; the pressure-regulating obstetric forceps 4 is connected with a pressure-regulating air pump, a sucker is arranged on the pressure-regulating obstetric forceps 4, and the suction force of the sucker is controlled by the pressure-regulating air pump; the tension detection controller is connected with a tension detector 5, the tension detector 5 can be installed on a handle of the pressure regulating obstetric forceps 4, the tension detector 5 detects tension when the pressure regulating obstetric forceps 4 are used, and sends a tension value to the tension detector 5 controller;
the computer reads the tension value of the tension detector 5 from the tension detection controller in real time, and calculates the negative pressure of the pressure-regulating air pump according to the tension value of the tension detector 5.
The ultrasonic probe 3 is a convex array, a linear array or a phased array probe, and can sweep the abdomen;
the ultrasonic probe 3 is a double-frequency probe, a first frequency used by the ultrasonic probe 3 can image the pressure-regulating obstetric forceps 4 and a sucker on the pressure-regulating obstetric forceps 4, and a second frequency used by the ultrasonic probe 3 can image a fetus in a uterus; the ultrasonic receiving and transmitting driver calculates according to the ultrasonic echoes sent and received by the ultrasonic probe 3 and obtains ultrasonic scanning image data; the ultrasonic receiving and transmitting driver transmits the ultrasonic scanning image data to the control computer 1, and the control computer 1 displays the ultrasonic scanning image on a display screen of the control computer 1 in real time.
The pressure-regulating obstetric forceps 4 comprises a first forceps body 41 and a second forceps body 42, and the first forceps body 41 and the second forceps body 42 both comprise forceps body main bodies and contact discs 43; the clamp body is made of metal material, and the inside of the clamp body is hollow;
the clamp body main body comprises a front end 44 and a handle 45, and a hole 46 for installing a pin rod for connecting the first clamp body 41 and the second clamp body 42 is arranged between the front end 44 and the handle 45; the contact disc 43 is disc-shaped, the contact disc 43 is arranged at the front end 44 of the caliper body, and after the first caliper body 41 and the second caliper body 42 are connected, the centers of the two contact discs 43 are opposite;
a plurality of small suckers 47 are densely distributed on the surface of the two contact plates 43 where the plate centers are located, and the diameters of the small suckers are 1-2 cm; the small suckers are densely distributed on the whole 43 surface of the contact plate; the small sucker is communicated to the pressure-regulating air pump through the hollow part inside the first clamp body 41 or the second clamp body 42.
The tension detector 5 is barrel-shaped, two hooks and two tension sensors are arranged inside the tension detector 5, and each hook is connected with one tension sensor; the tail of the handle 45 of the pressure regulating obstetric forceps 4 is provided with a ring 48 for hooking by a hook, and the ring on the handle 45 is hooked by the hook of the tension detector 5 after the first forceps body 41 and the second forceps body 42 are connected, so that the tension applied to the pressure regulating obstetric forceps 4 by an operator can be detected.
The control computer 1 is provided with an input function which can input a voltage regulation coefficient k;
the negative pressure P of the pressure-regulating air pump satisfies the following relationship:
P=kF/S
wherein: the pulling force value of the F pulling force detector 5 and the S are the sum of the pressing contact areas of all the suckers, and the pressing contact area is the contact area between the suckers and the sucked object when the suckers act.
The pressing contact area of each suction cup on the contact disc 43 at a position close to the first caliper body 41 or the second caliper body 42 is larger than that of each suction cup at a position away from the first caliper body 41 or the second caliper body 42; and the pressing contact area is in inverse proportion to the distance between the suction cup and the tail end of the handle 45;
namely, the relationship: sn ^ 1/Ln;
wherein Sn is the pressing contact area of the nth sucker, and Ln is the linear distance from the center of the nth sucker to the end of the handle 45 of the pressure-regulating obstetric forceps 4.
Example 2:
this example describes the method of use of the device of the present invention.
In the process of delivery, when the obstetric forceps operation is needed, the computer, the main control cabinet, the ultrasonic probe, the pressure-regulating obstetric forceps and the tension detector of the delivery assisting device are opened.
Imaging the fetus inside the uterus with the second frequency of the ultrasonic probe, observing the position of the fetus on a computer screen, and using the first frequency of the ultrasonic probe to prepare for imaging the pressure-regulating obstetric forceps and the suckers on the obstetric forceps. Placing a first obstetric forceps of the pressure regulating obstetric forceps into an obstetric canal, observing and adjusting the position of the pressure regulating obstetric forceps through imaging of an ultrasonic probe on a computer, enabling a contact disc of the pressure regulating obstetric forceps to be attached to the skin of a fetus and avoiding facial features of the fetus; and then the second forceps is placed into the birth canal, and the position of the second forceps is adjusted by utilizing the imaging of the ultrasonic probe on the computer, so that the contact disc of the second forceps is attached to the skin of the fetus and is connected with the first forceps, and the two forceps are in a cross shape.
With two couples of tension detector, hang into the intra-annular of first obstetric forceps and second obstetric forceps afterbody respectively to medical personnel's accessible pulling tension detector pulling pressure regulating obstetric forceps, tension detector can detect out the pulling force and send the computer. Before pulling begins, medical personnel preset the pressure regulating coefficient on a computer. Medical personnel need can adjust the pressure regulating coefficient through observing the pulling force value after the beginning pulling, the formation of image on the computer, the position of foetus to adjust the contact disc and to the suction of foetus, guarantee relevant relation at pulling in-process suction and pulling force, both can guarantee that the foetus is held by stable, safe breaking away from birth canal, can reduce the injury to the foetus again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (6)

1. A midwifery device for obstetrics and gynecology department comprises a control computer (1), a main control cabinet (2), an ultrasonic probe (3), a pressure-regulating obstetric forceps (4) and a tension detector (5); the computer is connected with the main control cabinet (2), and the main control cabinet (2) is respectively connected with the ultrasonic probe (3), the pressure regulating obstetric forceps (4) and the tension detector (5); the main control cabinet (2) is provided with a pressure regulating air pump, an ultrasonic transceiving driver and a tension detection controller;
the method is characterized in that:
the ultrasonic probe (3) is connected with an ultrasonic transceiving driver, and the ultrasonic transceiving driver displays the detection image of the ultrasonic probe (3) on a display screen of the control computer (1) in real time; the pressure-regulating obstetric forceps (4) is connected with the pressure-regulating air pump, a sucker is arranged on the pressure-regulating obstetric forceps (4), and the suction force of the sucker is controlled by the pressure-regulating air pump; the tension detection controller is connected with a tension detector (5), the tension detector (5) can be installed on a handle of the pressure regulating obstetric forceps (4), the tension detector (5) detects tension when the pressure regulating obstetric forceps (4) are used, and sends a tension value to the tension detector (5) controller;
the computer reads the tension value of the tension detector (5) from the tension detection controller in real time, and calculates the negative pressure of the pressure-regulating air pump according to the tension value of the tension detector (5).
2. The obstetric apparatus for gynecology and obstetrics according to claim 1, wherein:
the ultrasonic probe (3) is a convex array probe, a linear array probe or a phased array probe, and can sweep the abdomen;
the ultrasonic probe (3) is a double-frequency probe, a first frequency used by the ultrasonic probe (3) can image the pressure-regulating obstetric forceps (4) and a sucker on the pressure-regulating obstetric forceps (4), and a second frequency used by the ultrasonic probe (3) can image a fetus in a uterus; the ultrasonic receiving and transmitting driver calculates according to ultrasonic echoes sent and received by the ultrasonic probe (3) and obtains ultrasonic scanning image data; the ultrasonic receiving and transmitting driver sends the ultrasonic scanning image data to the control computer (1), and the control computer (1) displays the ultrasonic scanning image on a display screen of the control computer (1) in real time.
3. The obstetric apparatus for gynecology and obstetrics according to claim 1, wherein:
the pressure-regulating obstetric forceps (4) comprises a first forceps body (41) and a second forceps body (42), and the first forceps body (41) and the second forceps body (42) both comprise forceps body main bodies and contact discs (43); the clamp body is made of metal material, and the inside of the clamp body is hollow;
the clamp body main body comprises a front end (44) and a handle (45), and a hole (46) for installing a pin rod for connecting the first clamp body (41) and the second clamp body (42) is arranged between the front end (44) and the handle (45); the contact discs (43) are disc-shaped, the contact discs (43) are arranged at the front end (44) of the clamp body main body, and when the first clamp body (41) and the second clamp body (42) are connected, the disc centers of the two contact discs (43) are opposite;
a plurality of small suckers (47) are densely distributed on the surface of the contact plate (43) where the plate centers are located, and the diameter of each small sucker is 1-2 cm; the small suckers are densely distributed on the whole contact disc (43) surface; the small sucker is communicated to the pressure-regulating air pump through the hollow part inside the first clamp body (41) or the second clamp body (42).
4. The obstetric apparatus for gynecology and obstetrics according to claim 3, wherein:
the tension detector (5) is barrel-shaped, two hooks and two tension sensors are arranged inside the tension detector (5), and each hook is connected with one tension sensor; the tail of the handle (45) of the pressure regulating obstetric forceps (4) is provided with a ring (48) for hooking by a hook, and the first forceps body (41) and the second forceps body (42) are connected and then hooked by the hook of the tension detector (5) to the ring on the handle (45), so that the tension applied to the pressure regulating obstetric forceps (4) by an operator can be detected.
5. The obstetric apparatus for gynecology and obstetrics according to claim 4, wherein:
the control computer (1) is provided with an input function and can input a pressure regulating coefficient k;
the negative pressure P of the pressure-regulating air pump satisfies the following relationship:
P=kF/S
wherein: f, the pulling force value of the pulling force detector (5), S is the sum of the pressing contact areas of all the suckers, and the pressing contact area is the contact area of the suckers and the sucked object when the suckers act.
6. The obstetric apparatus for gynecology and obstetrics according to claim 5, wherein:
the pressing contact area of each sucker on the contact disc (43) close to the first clamp body (41) or the second clamp body (42) is larger than that of each sucker far away from the first clamp body (41) or the second clamp body (42); and the pressing contact area is in inverse proportion to the distance between the sucker and the tail end of the handle (45);
namely, the relationship: sn ^ 1/Ln;
wherein Sn is the pressing contact area of the nth sucker, and Ln is the linear distance from the center of the nth sucker to the tail end of the handle (45) of the pressure-regulating obstetric forceps (4).
CN202110074170.4A 2021-01-20 2021-01-20 Obstetric device for obstetrics and gynecology department Pending CN112617988A (en)

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