CN111557717A

CN111557717A - Auxiliary instrument for obstetric surgery

Info

Publication number: CN111557717A
Application number: CN202010394475.9A
Authority: CN
Inventors: 温伟硕
Original assignee: Huizhou Discovery Health Technology Co ltd
Current assignee: Huizhou Discovery Health Technology Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2020-08-21

Abstract

The invention relates to an auxiliary instrument for a gynecological surgical operation, which comprises a forceps body, a pressure control unit and a force application unit, wherein the forceps body comprises two forceps bodies which are arranged in a crossed mode, each forceps body comprises a forceps head, a forceps arm and a forceps handle, the forceps heads, the forceps arms and the forceps handles are sequentially connected, the outer surface of each forceps head is coated with a silica gel sleeve, the two forceps arms are connected in a swinging mode, a containing cavity is formed in each forceps body, and the containing cavity extends from the forceps head to the forceps handles along the length direction of the forceps body. The pressure control unit comprises a micro pressure sensor, a signal converter and a digital display which are sequentially connected, the micro pressure sensor and the signal converter are respectively contained in the containing cavity, and the signal converter receives a pressure signal and transmits the pressure signal to the digital display for displaying. The force application unit comprises a pneumatic pull rod, a force application controller and a handle, the pneumatic pull rod is arranged between the two forceps handles, and the output end of the force application controller is connected with the input end of the pneumatic pull rod. The auxiliary instrument for the obstetric and gynecologic surgery can ensure the safety of the fetus and the puerpera and has high safety.

Description

Auxiliary instrument for obstetric surgery

Technical Field

The invention relates to the technical field of medical instruments, in particular to an auxiliary instrument for a gynecological surgery.

Background

The obstetric forceps are an instrument which can be used for assisting a parturient in delivering a fetus, and particularly, the head of the fetus is clamped by the obstetric forceps and is pulled to move towards the outside of the uterus of the parturient, so that the labor process is shortened, the pregnancy is terminated as early as possible, the pain of the parturient is relieved, and the safety of the fetus is ensured. The obstetric forceps are one of important means for solving the problems of difficult delivery of fetal head positions and improving the survival rate of newborn infants, and have important significance for solving the clinical problems of giant infants, fetal distress, congenital insufficiency of lying-in women and the like.

However, the conventional obstetric forceps have a simple structure, and a fetus is very easily injured by the obstetric forceps in the delivery assisting process, so that various complications of the neonate are caused, such as brachial plexus injury, clavicle fracture, forceps scar, facial epidermis ulceration, neonate asphyxia and the like.

Disclosure of Invention

In view of this, it is necessary to provide an gynecological surgery auxiliary instrument for solving the technical problem of poor safety.

An obstetric forceps surgical auxiliary instrument comprises an obstetric forceps body, a pressure control unit and a force application unit, wherein the obstetric forceps body comprises two symmetrical and crossed forceps bodies, each forceps body comprises a forceps head, a forceps arm and a forceps handle, the forceps heads, the forceps arms and the forceps handles are sequentially connected, the forceps heads are of arc-shaped structures, silica gel sleeves are wrapped on the outer surfaces of the forceps heads, the two forceps heads are used for clamping fetal heads together, the two forceps arms are connected in a swinging mode, the forceps handles are used for applying force and driving the forceps arms and the forceps heads to swing so as to clamp the fetal heads, and a containing cavity is formed in each forceps body and extends from the forceps heads to the forceps handles along the length direction of the forceps bodies; the pressure control unit comprises a micro pressure sensor, a signal converter and a digital display, the micro pressure sensor and the signal converter are respectively accommodated in the accommodating cavity, the input end of the micro pressure sensor is abutted with the inner surface of the silica gel sleeve on one side of one binding clip facing to the other binding clip, and the output end of the micro pressure sensor is electrically connected with the input end of the signal converter; the force application unit comprises a pneumatic pull rod, a force application controller and a handle, the pneumatic pull rod is arranged between the two clamp handles, the fixed end of the pneumatic pull rod is connected with one clamp handle, the force application end of the pneumatic pull rod is connected with the other clamp handle, the output end of the force application controller is connected with the input end of the pneumatic pull rod, the force application controller is used for controlling the force application end of the pneumatic pull rod to move towards or away from the fixed end of the pneumatic pull rod, one end of the handle is connected with the tail end of one clamp handle, and the handle is away from the other clamp handle; the digital display is arranged on the handle and electrically connected with the output end of the signal converter, and the digital display is used for displaying the pressure of the forceps head on the fetal head.

In one embodiment, the gynecological surgical operation auxiliary instrument further comprises a total force application processing controller, the total force application processing controller is respectively connected with the signal converter and the force application controller, and the total force application processing controller, the signal converter and the force application controller form a force application feedback system to control the external acting force of the two forceps heads.

In one embodiment, the total force application processing controller is provided with a force application control key, the force application control key is arranged on the handle, and the total force application processing controller is used for obtaining an external force application signal through the force application control key and controlling the force application controller to work so as to enable the pneumatic pull rod to act; the total force application processing controller is also used for obtaining a pressure value at the input end of the miniature pressure sensor through the signal converter; and the total force application processing controller is also used for refusing the input of the external force application signal when the pressure value exceeds a preset pressure value and controlling the force application controller to work so as to enable the force application end of the pneumatic pull rod to move away from the fixed end of the pneumatic pull rod.

In one embodiment, the handle is a J-shaped structure.

In one embodiment, the handle has a bending part and a plate-shaped part which are integrally formed, and the tail end of the bending part is welded with the tail end of the clamp handle.

In one embodiment, the digital display is mounted on a surface of the plate-shaped portion.

According to the auxiliary instrument for the obstetric surgical operation, the silica gel sleeve is coated on the outer surface of the forceps head, so that the softness of the surface of the obstetric forceps is improved, the contact area between the surface of the obstetric forceps and the uterine tissues of a fetus and a lying-in woman is increased, the possibility that the forceps head scratches or bruises the uterine tissues of the fetus and the lying-in woman is further reduced, and the safety of the obstetric forceps is improved; the clamping force of the obstetric forceps on the fetus can be monitored in real time by arranging the pressure control unit, so that medical personnel can adjust the clamping degree of the obstetric forceps according to the clamping force, and the skin or the bone of the fetus can be prevented from being injured by clamping; the pneumatic pull rod and the force application controller can quantitatively apply pulling force to the forceps handle, so that the phenomenon that medical staff clamp the skin or the bone of a fetus due to overlarge force application caused by artificial application of inaccurate force of pressure is avoided, the use safety of the obstetric forceps is further improved, and the safety of the fetus and a lying-in woman is ensured.

Drawings

FIG. 1 is a schematic view showing the construction of an auxiliary instrument for gynecological surgery in one embodiment;

FIG. 2 is a schematic view showing an exploded structure of an auxiliary instrument for gynecological surgery in one embodiment;

FIG. 3 is a schematic diagram of the structure of a pressure control unit in one embodiment;

FIG. 4 is a force feedback system of the gynecological surgical assistant apparatus in one embodiment;

FIG. 5 is an enlarged partial view of the portion A in the embodiment of FIG. 1;

fig. 6 is a schematic structural view of a gynecological surgical operation auxiliary instrument in another embodiment.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 3 together, the present invention provides an auxiliary instrument 10 for a gynecological surgical operation, the auxiliary instrument 10 includes a forceps body 100, a pressure control unit 200 and a force application unit 300, the forceps body 100 includes two symmetrical and crossed forceps bodies 110, the forceps body 110 includes forceps heads 111, forceps arms 112 and forceps handles 113, the forceps heads 111, the forceps arms 112 and the forceps handles 113 are sequentially connected, the forceps heads 111 are arc-shaped and coated with a silicone sleeve 120 on the outer surface thereof, the two forceps heads 111 are used for holding the fetal head together, the two forceps arms 112 are connected in a swinging manner, the forceps handles 113 are used for being forced and driving the forceps arms 112 and the forceps heads 111 to swing so as to hold the fetal head, a receiving cavity 115 is formed in the forceps body 110, and the receiving cavity 115 extends from the forceps heads 111 to the forceps handles 113 along the length direction of the forceps body 110. The pressure control unit 200 comprises a micro pressure sensor 210, a signal converter 220 and a digital display 230, wherein the micro pressure sensor 210 and the signal converter 220 are respectively accommodated in the accommodating cavity 115, the input end of the micro pressure sensor 210 is abutted with the inner surface of the silica gel sleeve 120 on one side of one binding clip 111 facing the other binding clip 111, and the output end of the micro pressure sensor 210 is electrically connected with the input end of the signal converter 220; the force application unit 300 comprises a pneumatic pull rod 310, a force application controller 320 and a handle 330, wherein the pneumatic pull rod 310 is arranged between the two forceps handles 113, the fixed end of the pneumatic pull rod 310 is connected with one forceps handle 113, the force application end of the pneumatic pull rod 310 is connected with the other forceps handle 113, the output end of the force application controller 320 is connected with the input end of the pneumatic pull rod 310, the force application controller 320 is used for controlling the force application end of the pneumatic pull rod 310 to move towards or away from the fixed end of the pneumatic pull rod 310, one end of the handle 330 is connected with the tail end of one forceps handle 113, and the handle 330 is away from the other forceps handle 113; the digital display 230 is installed on the handle 330 and electrically connected to the output end of the signal converter 220, and the digital display 230 is used for displaying the pressure of the forceps head 111 on the fetal head.

According to the auxiliary instrument 10 for the obstetric surgical operation, the silica gel sleeve 120 is coated on the outer surface of the forceps head 111, so that the softness of the surface of the obstetric forceps is improved, the contact area between the surface of the obstetric forceps and the uterine tissues of a fetus and a lying-in woman is increased, the possibility that the forceps head 111 scratches or bruises the uterine tissues of the fetus and the lying-in woman is further reduced, and the safety of the obstetric forceps is improved; by arranging the pressure control unit 200, the clamping force of the obstetric forceps on the fetus can be monitored in real time, so that medical staff can adjust the clamping degree of the obstetric forceps according to the clamping force, and the skin or the bone of the fetus can be prevented from being injured by clamping; the pneumatic pull rod 310 and the force application controller 320 can quantitatively apply pulling force to the forceps handle 113, so that the phenomenon that medical staff clamp the skin or the bone of a fetus due to overlarge force application caused by artificial inaccurate force application of pressure is avoided, the use safety of the obstetric forceps is further improved, and the safety of the fetus and a parturient is ensured; through the setting of handle 330, reduced medical staff's work burden, medical staff only need hold the handle 330 tightly can, need not exert oneself and act on pincers handle 113 to reduce working strength, made medical staff can put more energy on the safety of foetus and lying-in woman, also can further promote foetus and lying-in woman's security from another side.

The operation principle of the gynecological surgical operation auxiliary instrument 10 is as follows: in the process of parturient delivery, when the parturient is in a difficult delivery state or the fetus is suffocated due to the fact that the parturient is in a long delivery state, a medical worker holds the obstetric forceps body 100, covers the two forceps heads 111 on the periphery of the head of the fetus, and then presses the two forceps handles 113 through the force application controller 320, namely the force application controller 320 works to enable the force application end of the pneumatic pull rod 310 to move towards the fixed end of the pneumatic pull rod 310, so that the distance between the two forceps handles 113 is reduced, and at the moment, the pneumatic pull rod 310 between the two forceps handles 113 is compressed. Due to the fact that the two forceps bodies 110 are arranged in a crossed mode, when the distance between the two forceps handles 113 is reduced, the distance between the two forceps heads 111 is also reduced, the two forceps heads 111 are respectively abutted to the head of a fetus, and therefore the fetus can be delivered from a lying-in woman by pulling the forceps handles 113 in the direction away from the uterus of the lying-in woman, the delivery process is shortened, and the lives of the fetus and the lying-in woman are saved. In the process, when the forceps head 111 abuts against the head of the fetus, the forceps head 111 generates pressure on the head of the fetus, similarly, the head of the fetus generates a reaction force on the forceps head 111, and after receiving the reaction force, the micro pressure sensor 210 transmits the reaction force to the signal converter 220 and finally displays the reaction force on the digital display 230, so that medical staff can adjust the pressing amplitude of the forceps handle 113 by controlling the force application degree of the force application controller 320 according to the bone development condition and the bearable pressure threshold of the fetus, and the damage to the bone and skin of the fetus is reduced. After the fetus is delivered, the medical staff only needs to control the force application controller 320 again to move the force application end of the pneumatic pull rod 310 away from the fixed end of the pneumatic pull rod 310, so as to increase the distance between the two forceps handles 113 and drive the two forceps bodies 110 to respectively reset, and thus, the distance between the two forceps heads 111 is increased, so as to facilitate the forceps to be moved away from the head of the neonate.

Referring to fig. 1 to 4, in an embodiment, the gynecological surgical operation assisting apparatus further includes a total force application processing controller 400, the total force application processing controller 400 is respectively connected to the signal converter 220 and the force application controller 320, and the total force application processing controller 400, the signal converter and the force application controller 320 form a force application feedback system to control the external acting force of the two forceps heads 111. Further, the total force application processing controller 400 is provided with a force application control button 410, the force application control button 410 is provided on the handle 330, and the total force application processing controller 400 is configured to obtain an external force application signal through the force application control button 410 and control the force application controller 320 to operate so as to actuate the pneumatic pull rod 310; the total force application processing controller 400 is further used for obtaining the pressure value of the input end of the miniature pressure sensor 210 through the signal converter 220; the total force application processing controller 400 is further configured to reject the input of the external force application signal and control the force application controller 320 to operate to move the force application end of the pneumatic rod 310 away from the fixed end of the pneumatic rod 310 when the pressure value exceeds the preset pressure value. Thus, through the intervention of the force application processing controller 400, force application feedback is formed between the pressure control unit 200 and the force application unit 300, the phenomenon that the skin or the bone of the fetus is injured due to excessive force application of the pneumatic pull rod 310 is avoided, the use safety of the obstetric forceps is further improved, and the safety of the fetus and the parturient is ensured.

In one embodiment, the handle 330 is a J-shaped structure. Further, the handle 330 has a bending portion 310 and a plate portion 320 which are integrally formed, the end of the bending portion 310 is welded to the end of the handle 113, and a holding space is provided between the plate portion 320 and the handle 113, so that the medical staff can hold the handle 330. Preferably, the forceps head 111, the forceps arms 112, the forceps handles 113 and the handles 330 are integrally formed, which makes the structure of the entire forceps more stable and firm. Further, the digital display 230 is mounted on the surface of the plate-shaped portion 320, which facilitates the medical staff to view the numerical values displayed by the digital display 230.

Obviously, the force application controller 320 is connected to an external power source through the power line 321 to obtain power, and the power line 321 also provides power for the power consuming components such as the force application processing controller 400, the micro pressure sensor 210, the signal converter 220, and the digital display 230. Of course, for obtaining the electric energy so that the power-consuming components can work continuously, the access through the power line 321 is one of the modes, and the mobile power supply can be arranged in the forceps handle 113 in a built-in mobile power supply mode so as to obtain the power supply, so that the structure of the whole obstetric forceps is more reasonable and ordered while being convenient.

It should be noted that the total force application processing controller 400 may be a lower computer such as a PLC/single chip microcomputer. The force application controller 320 is a gas generator, the force application controller 320 generates gas and acts on the pneumatic pull rod 310 through the output end of the gas, the pneumatic pull rod 310 makes linear reciprocating motion according to the pressure value of the input gas, namely, a tension spring is arranged in the pneumatic pull rod 310, when the pressure input to the pneumatic pull rod 310 by the force application controller 320 is increased, the force application end of the pneumatic pull rod 310 moves away from the fixed end, at the moment, the length of the pneumatic pull rod 310 is increased, and the tension spring is stretched to generate deformation under the stress; when the air pressure input to the air lever 310 by the force application controller 320 is decreased, the tension spring has potential energy due to deformation so that the force application end of the air lever 310 moves toward the fixed end, and at this time, the length of the air lever 310 is shortened. In this way, the length of the air lever 310 can be controlled by controlling the air pressure input to the air lever 310 by the force application controller 320, and the distance between the two handles 113 can be controlled, thereby indirectly controlling the distance between the two bits 111. Since the air pressure input to the air lever 310 by the force application controller 320 is quantified, a specific value of the distance between the two forceps handles 113 can be precisely controlled.

The obstetric forceps body 100 is used for holding the head of the fetus under the action of external force, and pulling the fetus out of the uterine body of a lying-in woman under the traction of the external force, so that the fetus can be successfully delivered. It should be noted that the two forceps bodies 110 disclosed in the present invention are symmetrically and crosswise arranged, which means that the central portions of the forceps arms 112 of the two forceps bodies 110 are hinged, so that, according to the lever principle, when the two forceps handles 113 are pressed or released, the distance between the ends of the forceps heads 111 of the two forceps bodies 110 will be increased or decreased, thereby achieving the purpose of holding the fetal head. In one embodiment, the head 111, the arms 112, and the handles 113 are integrally formed. Therefore, the connection strength among the forceps head 111, the forceps arms 112 and the forceps handles 113 is increased, that is, the stability of the structure of the forceps body 110 is improved, so as to prolong the service life of the obstetric forceps; moreover, the clamp head 111, the clamp arm 112 and the clamp handle 113 are integrally formed, so that the clamp body 110 can be produced and processed by only one mold, and the production efficiency of the obstetric forceps is greatly improved.

In one embodiment, the opposite surfaces of the two clamp heads 111 have arc surfaces with arc structures, and the silica gel sleeve 120 is covered on the arc surfaces. Therefore, the arc-shaped forceps head 111 and the silica gel arc surface can better clamp the head of the fetus, and pull the fetus out of the uterine body of a lying-in woman under the traction of external force, so as to facilitate the smooth delivery of the fetus.

In one embodiment, the receiving cavity 115 is opened in the forceps body 110, that is, the receiving cavity 115 is hollow inside the forceps body 110. The micro pressure sensor 210 and the signal converter 220 are respectively accommodated in the accommodating cavity 115, that is, the micro pressure sensor 210 and the signal converter 220 are respectively accommodated in the interior of the caliper body 110. Because the outer surface of the forceps head 111 is coated with the silica gel sleeve 120, the silica gel sleeve 120 has insulating property, and the micro pressure sensor 210 and the signal converter 220 are respectively accommodated in the forceps body 110, thus, the current generated by the micro pressure sensor 210 and the signal converter 220 during working does not enter the uterine body tissue of the puerpera and does not contact the uterine body tissue of the puerpera, thereby ensuring the normal work of the auxiliary instrument for the gynecological surgery operation, better pulling the fetus out of the uterine body of the puerpera and being beneficial to the smooth delivery of the fetus. Further, the accommodating cavity 115 extends from the interior of the forceps body 110 to the handle 330, that is, the forceps head 111, the forceps arm 112, the forceps handle 113 and the handle 330 are integrally formed, and the bending portion 310 and the plate portion 320 are hollow to form an accommodating cavity (not shown) and the accommodating cavity is communicated with the accommodating cavity 115, and the total force application processing controller 400 is accommodated in the accommodating cavity, so that the installation of the total force application processing controller 400 is facilitated and the total force application processing controller 400 is connected with the signal converter 220 and the force application controller 320 respectively.

In order to avoid the over-squeezing of the forceps 111 on the ears, eyes, nose and other organs of the fetus, in one embodiment, the forceps 111 is provided with a position-avoiding hole 116. In one embodiment, the clearance holes 116 are oval. The clearance hole 116 penetrates the bit 111. Preferably, the number of the avoiding holes 116 is two, that is, each of the bits 111 has two avoiding holes 116, and the two avoiding holes 116 are arranged in parallel on the bit 111. By forming the avoiding hole 116 on the forceps head 111, when the forceps head 111 is clamped to the ear, eye, nose and other five sense organs of the fetus during the delivery assistance of the obstetric forceps, the angle of the obstetric forceps can be adjusted to expose the ear, eye, nose and other organs of the fetus from the avoiding hole 116, so as to prevent the forceps head 111 from extruding the ear, eye, nose and other organs of the fetus. In one embodiment, the ratio of the projected area of the clearance hole 116 along the swinging direction of the pincer head 111 to the projected area of the pincer head 111 along the swinging direction of the pincer head 111 is between 2:3 and 5: 6. That is, the avoiding hole 116 is opened in the middle region of the binding clip 111, the opening area of the avoiding hole 116 is smaller than the cambered surface area of the surface of the binding clip 111, and the ratio of the opening area of the avoiding hole 116 to the cambered surface area of the surface of the binding clip 111 is between 2:3 and 5: 6. The swing direction of the bits 111 refers to a movement direction of the bits 111 when the two bits 111 are close to or away from each other. Preferably, in an embodiment, the ratio of the projected area of the clearance hole 116 along the swinging direction of the bit 111 to the projected area of the bit 111 along the swinging direction of the bit 111 is 5: 6. It can be understood that the opening area on the forceps head 111 is large, so that the forceps head 111 is ensured to have enough strength and completely cover and clamp the head of the fetus, and the organs such as the mouth, the ear, the eye and the nose of the fetus are avoided to the maximum extent, so as to reduce the influence of the obstetric forceps on the fetus. It should be noted that the shape and structure of the silica gel cover 120 of the present invention are adapted to the shape and structure of the forceps head 111, so that when the silica gel cover 120 covers the forceps head 111, the inner surface of the silica gel cover 120 is tightly attached to the outer surface of the forceps head 111, thereby improving the stability of the connection between the silica gel cover 120 and the forceps head 111, and avoiding the fetal skin from being crushed due to the wrinkles generated by the silica gel cover 120. For the forceps head 111 provided with the avoiding hole 116, the forceps head 111 can be immersed in the silica gel liquid to facilitate the silica gel liquid to be uniformly coated on the surface of the forceps head 111, and after the silica gel liquid is cooled, the silica gel sleeve 120 can be coated on the outer surface of the forceps head 111, so that the arrangement of the silica gel sleeve 120 is realized, and the processing difficulty of the obstetric forceps is reduced.

In one embodiment, the handle 113 is provided with anti-slip threads 117. Through set up anti-skidding line 117 on pincers handle 113, increased the specific surface area of pincers handle 113, so, when medical staff held pincers handle 113, the frictional force between medical staff's hand and the pincers handle 113 is great, has avoided the emergence of the pincers condition of skidding to appear among the operation process, when accelerating the process of delivering out smoothly of foetus, has reduced because of the possibility that the pincers strut the maternal palace body tissue and pull under the circumstances of skidding fast to the security of operation has been promoted.

In one embodiment, the force application end of the pneumatic pull rod 310 is welded to one of the handles 113, and the fixed end of the pneumatic pull rod 310 is welded to the other handle 113. That is, the pneumatic rod 310 is located between the two handles 113 and the force applying end of the pneumatic rod 310 and the fixed end of the pneumatic rod 310 are welded to the two handles 113, respectively. In this way, the pneumatic pull rod 310 can be fixedly connected with the two forceps handles 113 by welding, so that the whole forceps body 100 is stable and firm in structure.

In one embodiment, the connection between the handle 113 and the jawarms 112 has an arcuate transition 118. By providing the arcuate transition portion 118 at the junction of the

jawarms

113 and 112, the arcuate transition portion 118 has a greater width toward the jawarms 111 than the arcuate transition portion 118 near the distal end 111 of the jawarms 113, and the surface of the arcuate transition portion 118 is smoothed. Therefore, the acting force of the obstetric forceps on the uterine orifice of the lying-in woman is reduced in the process that the obstetric forceps extend into the uterine orifice of the lying-in woman or pull the fetus away from the uterine body through the uterine orifice through the arc-shaped transition part 118, in other words, the scratch of the obstetric forceps on the uterine orifice of the lying-in woman is reduced, and therefore the operation safety is further improved.

Referring to fig. 5, in an embodiment, a plurality of concave holes 121 are formed on the surface of the silica gel sleeve 120 on one side of the forceps head 111 opposite to the other forceps head 111, and the concave holes 121 are used for accommodating an anti-inflammatory liquid medicine. In other words, the surface of the outer silicone sleeve 120 of the forceps head 111 is provided with a plurality of concave holes 121. Therefore, before an operation, the outer side surfaces of the two forceps heads 111 of the obstetric forceps can be respectively sprayed with anti-inflammatory liquid medicine, the concave hole 121 is fully filled with the anti-inflammatory liquid medicine, then the obstetric forceps are stretched into the uterus of a lying-in woman to clamp the head of a fetus, in the process, along with the frictional contact of the silica gel sleeve 120 on the outer surface of the forceps heads 111 and the uterus tissue of the lying-in woman, the anti-inflammatory liquid medicine filled in the concave hole 121 is coated on the uterus tissue of the lying-in woman, so that the anti-inflammatory effect on the uterus tissue of the lying-in woman is achieved, the problems of inflammation of accessories and the like of the uterus of the lying-.

Furthermore, a plurality of medical collagen sponge ball blocks are arranged on the surface of the silica gel sleeve, each medical collagen sponge ball block is correspondingly accommodated in a concave hole and fixedly connected with the hole wall of the concave hole, and the corresponding part of each medical collagen sponge ball block protrudes out of the opening of the concave hole. For example, each medical collagen sponge ball block is correspondingly filled in a concave hole and fixedly connected with the hole wall of the concave hole, and the corresponding part of each medical collagen sponge ball block protrudes out of the opening of the concave hole. In this example, the medical collagen sponge is a white spongy solid prepared by biologically purifying bovine achilles tendon as a raw material, and is sterilized by cobalt 60 radiation. On one hand, the medical collagen sponge ball block can be used for filling surgical residual cavities, stopping bleeding of wound surfaces and promoting wound surface healing. On the other hand, utilize medical collagen sponge ball accessible to absorb anti-inflammatory liquid medicine in advance and make and stretch into the in-process of lying-in woman's palace with the centre gripping foetus's head with obstetric forceps, along with the silica gel cover of forceps head surface and lying-in woman's intrauterine tissue frictional contact, the part of the medical collagen sponge ball of opening of protrusion in this shrinkage pool receives the extrusion, anti-inflammatory liquid medicine in it will contact lying-in woman's intrauterine tissue on, in order to realize the anti-inflammation to lying-in woman's intrauterine tissue, in order to prevent that lying-in woman from appearing intrauterine annex inflammation scheduling problem postpartum, guarantee lying-in woman's health.

The pressure control unit 200 is used for monitoring the pressure of the forceps head 111 on the fetal head so as to facilitate the adjustment of the clamping degree of the obstetric forceps by medical staff. Specifically, in the process of delivering the obstetric forceps, the forceps head 111 clamps the head of the fetus, and while the forceps head 111 generates pressure on the head of the fetus, the head of the fetus generates a reaction force on the forceps head 111, and the reaction force is transmitted to the input end of the micro pressure sensor 210 through the silica gel sleeve 120 on the inner side of the forceps head 111. In this embodiment, the input end of the micro pressure sensor 210 has an induction diaphragm 211, the induction diaphragm 211 is disposed between the forceps head 111 and the silicone sleeve 120 and electrically connected to the internal processor of the micro pressure sensor 210, when a reaction force acts on the induction diaphragm 211, the induction diaphragm 211 generates a micro displacement proportional to the reaction force, so that the resistance of the micro pressure sensor 210 changes, the electronic circuit inside the micro pressure sensor 210 detects the change, transmits the electric signal to the signal converter 220, and the signal converter 220 converts the electric signal into a digital signal, which is finally displayed on the digital display 230, so as to facilitate the medical staff to grasp the pressure of the forceps head 111 on the fetal head.

Preferably, the digital display is mounted on the plate-like portion of the handle and the digital display is located on a side of the plate-like portion of the handle facing away from the handles, so that the medical staff can view the values on the digital display. Preferably, the digital display is of a plate-like structure and the shape configuration is adapted to the surface of the plate-like portion, which facilitates the mounting arrangement of the digital display. Furthermore, the surface of the plate-shaped part is provided with an installation groove, the shape structure of the installation groove is matched with the digital display, the depth of the installation groove is equal to the thickness of the digital display, and the digital display is accommodated in the installation groove and connected with the plate-shaped part, such as clamping, screw connection or bonding and the like. Therefore, the whole surface of the handle is neat and orderly, and the medical staff can not influence the hand when using the digital display because the medical staff over-exerts the handle.

Referring to fig. 6, in an embodiment, a suction cup 130 is further disposed between the two forceps bodies 110, a suction surface of the suction cup 130 faces away from the forceps handle 113, and the suction cup 130 is used for sucking the fetal head. By arranging the suction cup 130 between the two forceps bodies 110, in the process of the obstetric forceps for assisting delivery, the suction cup 130 can also suck the head of the fetus while the two forceps heads 111 clamp the head of the fetus, so that the contact area between the obstetric forceps and the head of the fetus is increased, in other words, under the condition of ensuring the safety of the fetus, the acting force of the obstetric forceps on the head of the fetus is increased, the head of the fetus is prevented from being separated from the obstetric forceps, and the delivery process is accelerated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An auxiliary instrument for obstetric and gynecologic surgery is characterized by comprising an obstetric forceps body, a pressure control unit and a force application unit,

the obstetric forceps comprises a forceps body and a forceps body, wherein the forceps body comprises two symmetrical and crossed forceps bodies, the forceps head, forceps arms and forceps handles are sequentially connected, the forceps head is of a cambered surface structure, a silica gel sleeve is coated on the outer surface of the forceps head, the two forceps heads are jointly used for clamping the head of a fetus, the two forceps arms are connected in a swinging mode, the forceps handles are used for bearing force and driving the forceps arms and the forceps heads to swing so as to clamp the head of the fetus, a containing cavity is formed in one forceps body, and the containing cavity extends from the forceps heads to the forceps handles along the length direction of the forceps body;

the pressure control unit comprises a micro pressure sensor, a signal converter and a digital display, the micro pressure sensor and the signal converter are respectively accommodated in the accommodating cavity, the input end of the micro pressure sensor is abutted with the inner surface of the silica gel sleeve on one side of one binding clip facing to the other binding clip, and the output end of the micro pressure sensor is electrically connected with the input end of the signal converter; the digital display is electrically connected with the output end of the signal converter and is used for displaying the pressure of the forceps head on the fetal head;

the force application unit comprises a pneumatic pull rod and a force application controller, the pneumatic pull rod is arranged between the two clamp handles, the fixed end of the pneumatic pull rod is connected with one clamp handle, the force application end of the pneumatic pull rod is connected with the other clamp handle, the output end of the force application controller is connected with the input end of the pneumatic pull rod, and the force application controller is used for controlling the force application end of the pneumatic pull rod to face or be far away from the fixed end of the pneumatic pull rod to move.

2. The gynecological surgical instrument of claim 1, further comprising a total force application process controller, wherein the total force application process controller is connected to the signal converter and the force application controller, respectively, and the total force application process controller, the signal converter and the force application controller form a force application feedback system to control the external force of the two forceps heads.

3. The gynecological surgical operation auxiliary instrument according to claim 2, wherein the total force application process controller is provided with a force application control button, and the total force application process controller is used for obtaining an external force application signal through the force application control button and controlling the force application controller to work so as to enable the pneumatic pull rod to act; the total force application processing controller is also used for obtaining a pressure value at the input end of the miniature pressure sensor through the signal converter; and the total force application processing controller is also used for refusing the input of the external force application signal when the pressure value exceeds a preset pressure value and controlling the force application controller to work so as to enable the force application end of the pneumatic pull rod to move away from the fixed end of the pneumatic pull rod.