CN111388069B - Obstetric forceps capable of being tightly attached to head of fetus for obstetrics and gynecology department - Google Patents
Obstetric forceps capable of being tightly attached to head of fetus for obstetrics and gynecology department Download PDFInfo
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- CN111388069B CN111388069B CN202010263043.4A CN202010263043A CN111388069B CN 111388069 B CN111388069 B CN 111388069B CN 202010263043 A CN202010263043 A CN 202010263043A CN 111388069 B CN111388069 B CN 111388069B
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- 210000003754 fetus Anatomy 0.000 title abstract description 9
- 230000001605 fetal effect Effects 0.000 claims description 42
- 239000012530 fluid Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 9
- 239000012528 membrane Substances 0.000 description 9
- 239000007769 metal material Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 230000001850 reproductive effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000035606 childbirth Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 208000036818 High risk pregnancy Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 208000010515 dystocia Diseases 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000035935 pregnancy Effects 0.000 description 1
- 230000009933 reproductive health Effects 0.000 description 1
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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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Gynecology & Obstetrics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Reproductive Health (AREA)
- Engineering & Computer Science (AREA)
- Pregnancy & Childbirth (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The obstetric forceps for obstetrics and gynecology department capable of being tightly attached to the head of a fetus comprises a forceps head and an operation part for controlling the opening and closing of the forceps head, wherein the forceps head comprises a first forceps handle and a second forceps handle which are hinged with each other, and the first forceps handle and the second forceps handle clamp the head of the fetus through closing.
Description
Technical Field
The invention relates to the field of medical instruments for obstetrics and gynecology department.
Background
The obstetrics and gynecology department is one of four main subjects of clinical medicine, and is mainly used for researching the etiology, pathology, diagnosis and prevention of female reproductive organ diseases, the physiological and pathological changes of pregnancy and childbirth, the prevention and diagnosis and treatment of high-risk pregnancy and dystocia, female reproductive endocrine, family planning, female health care and the like. The advanced research of the medical basic theories of modern molecular biology, oncology, genetics, reproductive endocrinology, immunology and the like and the progress of the clinical medical diagnosis and treatment detection technology widen and deepen the development of the gynecologic and obstetric science, and play an important role in ensuring the health and reproductive health of women and preventing and treating various gynecological diseases.
In clinical delivery, to some delivery fetus that is not smooth, often need use the forceps to carry the foetus head to give birth to the foetus smoothly, in order to guarantee that sufficient clamping-force when the centre gripping foetus, current forceps are all metal material, and its centre gripping foetus causes the head or the facial damage of foetus easily.
Disclosure of Invention
Aiming at the problem that the fetal head is easy to be damaged in the prior art, the invention discloses obstetric forceps for obstetrics and gynecology department, which can be tightly attached to the fetal head, and the obstetric forceps comprise a forceps head and an operation part for controlling the opening and closing of the forceps head, wherein the forceps head comprises a first forceps handle and a second forceps handle which are hinged with each other, and the first forceps handle and the second forceps handle clamp the fetal head through closing, when the air pressure in the second container cavity is increased, the second container cavity extrudes the second rubber film, the second rubber film is extruded and stretched to extrude the fluid in the solution cavity, the first rubber film is further extruded and stretched outwards to form a dispersion layer between the fetal head and the forceps handle, and the dispersion layer disperses the clamping force of the forceps handle on the fetal head to protect the fetal head.
As an improvement, the operating part is internally provided with a control assembly for controlling the air pressure in the second container cavity, the control assembly comprises a first air containing cavity and a first movable block, the first air containing cavity and the second air containing cavity are communicated with the second container cavity in a sealing manner, the first movable block and the second rubber film are communicated in a sealing manner, and the first movable block can be driven to extrude the first air containing cavity so as to change the air pressure of the second air containing cavity.
As the improvement, first movable block be connected with the ratch, be equipped with tooth portion on the ratch, tooth portion and gear meshing, gear connection has the pivot, and the pivot is connected with adjust knob, and adjust knob is located the operating portion outside, rotates adjust knob, and the gear rotates the removal of drive ratch and further drives first movable block and remove.
The operating part comprises a hinge part connected with the forceps head and a handle connected with the hinge part, and the handle controls the opening and closing of the forceps head through the hinge part.
As an improvement, the first air containing cavity is communicated with the second air containing cavity through a hose.
As a refinement, the fluid is physiological saline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an internal structural view of the present invention;
FIG. 3 is a schematic view of an adjustment knob;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a cross-sectional view of the hinge of the present invention;
FIG. 6 is a schematic view of the control assembly of the present invention;
FIG. 7 is a schematic illustration of a normal condition in the pliers grip;
FIG. 8 is a schematic view of the first rubber film being stretched to form a cushioning layer;
FIG. 9 is a schematic view of a face contact assembly;
FIG. 10 is a schematic view of the face contact assembly extended;
FIG. 11 is a schematic diagram of a pneumatic pressure control unit;
FIG. 12 is a schematic view of the face contact assembly retracted;
the labels in the figure are: the labels in the figure are: 100-handle, 200-hinge part, 210-fixed tube, 220-first pull rod, 230-first piston, 240-second piston, 250-second pull rod, 260-adjusting knob, 270-rotating shaft, 280-gear, 290-toothed bar, 291-first movable block, 292-second movable block, 293-first air-containing cavity, 300-tong head, 310 a-first tong handle, 310 b-second tong handle, 311-first rubber membrane, 312-second rubber membrane, 313-second air-containing cavity, 314-liquid-containing cavity, 320 a-first connecting rod, 320 b-second connecting rod, 330-connecting head, 400-surface contact component, 410-through channel, 420-vertical channel, 430-cling component, 431-movable rod, 432-patch, 500-pneumatic control unit, 510-cartridge, 520 a-first plunger, 520 b-second plunger, 530 a-third piston, 530 b-fourth piston, 540-connecting tube.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
Example 1: as shown in fig. 1, the obstetric forceps for obstetrics and gynecology department capable of clinging to the head of a fetus comprises a forceps head 300 and an operation part for controlling the opening and closing of the forceps head, wherein the forceps head 300 comprises a first forceps handle 310a and a second forceps handle 310b which are hinged with each other, and the first forceps handle and the second forceps handle clamp the head of the fetus through closing. As shown in fig. 4 and fig. 7, wherein the upper circle of fig. 4 is shown in fig. 7, the opposite surfaces of the first and second forceps handles are provided with a plurality of openings, a plurality of cavities are arranged in the first and second forceps handles, a first rubber membrane 311, a second rubber membrane 312, a second air containing cavity 313 and a liquid containing cavity 314 are arranged in the cavities, the edges of the first and second rubber membranes are respectively fixed on the inner walls of the cavities, a sealed liquid containing cavity 314 is arranged between the first and second rubber membranes, a fluid is arranged in the solution cavity, the second rubber membrane separates the liquid containing cavity from the second air containing cavity 313, the air pressure in the second container cavity can be controlled by the operation part, so that when the air pressure in the second container cavity is increased, the second rubber membrane extrudes and stretches to extrude the fluid in the solution cavity, the first rubber membrane further extrudes to form a dispersion layer between the fetal head and the forceps handles, the dispersion layer disperses the clamping force of the forceps to the fetal head so as to protect the fetal head.
As shown in fig. 4 and 5, a control assembly is disposed in the operation portion to control the air pressure in the second container cavity, the control assembly includes a first air accommodating cavity 293 and a first movable block 291, the first air accommodating cavity and the second air accommodating cavity are hermetically communicated between the first movable block and the second rubber film, the first movable block can be driven to extrude the first air accommodating cavity to change the air pressure in the second air accommodating cavity, the first movable block 291 is connected with a toothed bar 290, a toothed portion is disposed on the toothed bar, the toothed portion is meshed with a gear 280, the gear is connected with a rotating shaft 270, the rotating shaft is connected with an adjusting knob 260, the adjusting knob is disposed outside the operation portion, and the gear rotates to drive the toothed bar to move so as to further drive the first movable block to move.
The operating part comprises a hinge part 200 connected with the tong head and a handle 100 connected with the hinge part, the handle controls the opening and closing of the tong head through the hinge part, and the first air containing cavity is communicated with the second air containing cavity through a hose. The fluid is physiological saline. As shown in fig. 7, in a normal state, the second air containing cavity is close to or slightly smaller than atmospheric pressure, so that the first rubber film 311 is located inside the cavity due to elastic contraction, the forceps handle can be extended into the body of a woman to hold the fetal head, when the forceps handle is closed and does not completely contact the fetal head, the air pressure in the second air containing cavity is changed by the adjusting knob 260, as shown in fig. 8, the second rubber film is pressed, and then the first rubber film 311 is pressed, the first rubber film is extended, and a buffer contact layer is formed between the fetal head and the forceps handle, as shown in fig. 8. The abundant softness of this buffering contact layer can show the area of contact of increase pincers handle and fetal head, and rubber has certain viscidity simultaneously, and skin contact, and then protects fetal head when the pincers are the centre gripping. Simultaneously, when the pincers handle stretched into the women internal, this buffering contact layer did not exist, can not influence normal operation, as long as when the pincers handle is located the women internal, operation portion just can make the buffering contact layer form, and then protection foetus head. The clamp handle can be provided with a plurality of structures shown in figure 7, such as 4-100 structures, and each second air containing cavity is respectively communicated with the first air containing cavity.
Example 2: as an improvement of the embodiment 1, as shown in fig. 2, the obstetric forceps for obstetrics and gynecology department is an improved obstetric forceps for obstetrics and gynecology department, which has an elastic function, and comprises a forceps head 300, a hinge portion 200 and a handle 100, wherein the handle 100 and the forceps head 300 are respectively connected with the hinge portion 200, the handle controls the opening and closing of the forceps head, the forceps head is indirectly connected with a connector 330, the connector is connected with a second pull rod 250, and the second pull rod is connected with a second piston 240; the handle is connected with a first pull rod 220, the first pull rod is connected with a first piston 230, the hinged portion is provided with a fixed pipe 210, a channel is arranged in the fixed pipe and used for placing the first piston 230 and a second piston 240, the first piston 230 and the second piston 240 can move in the channel, as shown in fig. 5, a sealed air cavity is arranged between the first piston and the second piston, the first piston is driven by the handle to drive the second piston to move through the air cavity and further enable the forceps head to be opened and closed, air pressure equivalent to the atmosphere can be arranged in the sealed air cavity, the first piston stretches the air cavity and further enables the forceps head to be closed due to reduction of the air pressure, the air cavity stretches the second piston 240 and further enables the forceps head to be closed, and particularly when the force for clamping the fetal head by the forceps head is too large, the air cavity has a certain.
In a further preferred embodiment, as shown in fig. 1, the forceps head 300 includes a second handle 310a and a second handle 310b, the first handle and the second handle are hinged to the hinge portion, the end of the first handle is connected with a second connecting rod 320b, the end of the second handle is connected with a first connecting rod 320a, and the first connecting rod and the second connecting rod are respectively hinged to the connecting head 330. The handle 100 includes a first handle arm 110a and a second handle arm 110b, the first handle arm and the second handle arm are hinged to the hinge portion, the first rotating rod 120a and the second rotating rod 120b are respectively connected to the first handle arm and the second handle arm, both the first rotating rod and the second rotating rod are connected to the fixing head 130, and the fixing head is connected to the first pull rod 220.
Further, the pincers of centre gripping fetal head are made through metal material, and then deliver the foetus smoothly through centre gripping fetal head, and the pincers of metal material are big the rigidity at that time, if the pincers with fetal head laminating when not good, the area of contact of pincers and fetal head is little, the pincers are big to fetal head extrusion force, cause the damage fetal head easily. Therefore, in order to solve the above problems, in a modified embodiment, as shown in fig. 9, the first clamp handle 310a and the second clamp handle 310b are provided with a plurality of surface contact assemblies 400, which are in contact with the fetal head when clamping the fetal head, and the surface contact assemblies can significantly increase the contact area between the clamp handles and the fetal head and reduce the pressure on the fetal head. Specifically, as shown in fig. 10, which is an enlarged view of the surface contact assembly shown in fig. 9, the surface contact assembly includes a through channel 410, a plurality of vertical channels 420 which are independently distributed are communicated with the through channel, the vertical channels extend to the surface of the forceps handle, a moving rod 431 is arranged in each vertical channel, a circular patch 432 is arranged at the outer end of each moving rod, the patches are in contact with the head of the fetus, the moving rod is located in each vertical channel, and when the air pressure in the through channel changes, the moving rod can move in each vertical channel to further enable the patch 432 to move.
The air pressure in the through channel is controlled by an air pressure control unit 500, which may be the control unit shown in fig. 6, in order to make the surface contact assembly extend out when the handle closes the binding clip, as shown in fig. 11, the air pressure control unit is mounted on the handle, and includes a first pressure rod 520a and a second pressure rod 520b respectively hinged with the first handle arm and the second handle arm, and an air cylinder 510, wherein the ends of the first pressure rod and the second pressure rod are provided with a third piston 530a and a fourth piston 530b, the third piston and the fourth piston are located in the air cylinder and are sealed cavities therebetween, and the sealed cavities are communicated with the through channel 410 through a connecting pipe 540. Fig. 12 is a view showing a state where the surface contact assembly is not extended, in which the patch 432 is closely attached to the inner wall of the grip handle, which does not affect the contact between the grip handle and the fetal head, when it is required to make the grip handle grip the fetal head, in which the first arm and the second arm are relatively moved, the sealed cavity in the cylinder is compressed to provide the air pressure through the passage to push out the moving rod 431 and the patch, and when the two grip handles are closed, the patch is closely attached to the fetal head, in the present invention, since the passage is formed through each surface contact assembly, since the fetal head is subjected to the same compression force by the patch as the pressure formed by the relative air pressure of the passage, the compression force of each patch 432 to the fetal head is the same, the compression force to the fetal head is uniformly distributed on each patch 432, and the moving rod is extended more or less, the shape of the head of the fetus can be changed, and the requirements of different fetal heads can be met. The patch can be a soft rubber patch or a plastic patch, and the moving rod can be made of engineering plastics or metal materials. Meanwhile, when the forceps head is closed, the surface contact assembly automatically extends out to meet the requirement of childbirth, the forceps head is opened, and the surface contact assembly retracts without additional operation. The second air-containing cavity disclosed in embodiment 1 of the present invention can also communicate with the connection pipe 540 in embodiment 2, and the air pressure in the second air-containing cavity in embodiment 1 is controlled by the air pressure control unit in embodiment 2 to form a buffer contact layer.
Claims (6)
1. A obstetric forceps for obstetrics and gynecology department capable of clinging to fetal head is disclosed, which comprises a forceps head (300) and an operation part for controlling the opening and closing of the forceps head, wherein the forceps head (300) comprises a first forceps handle (310 a) and a second forceps handle (310 b) which are hinged with each other, the first forceps handle and the second forceps handle clamp the fetal head through closing, the obstetric forceps is characterized in that the opposite surfaces of the first forceps handle and the second forceps handle are provided with a plurality of openings, a plurality of cavities are arranged in the first forceps handle and the second forceps handle, a first rubber film (311), a second rubber film (312), a second air containing cavity (313) and a liquid containing cavity (314) are arranged in the cavities, the edges of the first rubber film and the second rubber film are respectively fixed on the inner wall of the cavities, a sealed liquid containing cavity (314) is arranged between the first rubber film and the second rubber film, a fluid is arranged in the solution cavity, and the second rubber film isolates the liquid containing cavity from the second air containing cavity (313), the air pressure in the second container cavity can be controlled by the air pressure control unit, so that when the air pressure in the second container cavity is increased, the second container cavity extrudes the second rubber film, the second rubber film is extruded and stretched to extrude the fluid in the solution cavity, the first rubber film is further extruded and stretched outwards to form a dispersion layer between the fetal head and the forceps handle, and the dispersion layer disperses the clamping force of the forceps handle on the fetal head to protect the fetal head;
the air pressure control unit is arranged on the handlebar and comprises a first pressure rod (520 a), a second pressure rod (520 b) and an air cylinder (510), wherein the first pressure rod and the second pressure rod are respectively hinged with the first handlebar arm and the second handlebar arm, a third piston (530 a) and a fourth piston (530b) are arranged at the tail ends of the first pressure rod and the second pressure rod, the third piston and the fourth piston are positioned in the air cylinder, a sealed cavity is formed between the third piston and the fourth piston, and the sealed cavity is communicated with a second air accommodating cavity (313) through a connecting pipe 540.
2. The obstetric forceps for obstetrics and gynecology department capable of clinging to fetal head as claimed in claim 1, wherein a control component is arranged in the operation part to control the air pressure in the second container cavity, the control component comprises a first air containing cavity (293) communicated with the second container cavity and a first movable block (291), the first air containing cavity and the second air containing cavity are hermetically communicated between the first movable block and the second rubber film, and the first movable block can be driven to extrude the first air containing cavity so as to change the air pressure of the second air containing cavity.
3. The obstetric forceps for gynecology and obstetrics department capable of clinging to fetal head according to claim 2, characterized in that the first movable block (291) is connected with a rack (290), the rack is provided with teeth, the teeth are meshed with a gear (280), the gear is connected with a rotating shaft (270), the rotating shaft is connected with an adjusting knob (260), the adjusting knob is positioned outside the operation part, and the gear rotates to drive the rack to move so as to further drive the first movable block to move.
4. The obstetric forceps for obstetrics and gynecology department capable of clinging to fetal head as claimed in claim 3, wherein said operation part comprises a hinge part (200) connected with the forceps head and a handle (100) connected with the hinge part, the handle controls the opening and closing of the forceps head through the hinge part.
5. The obstetric forceps for obstetrics and gynecology department capable of clinging to fetal head as claimed in claim 4, wherein the first air containing cavity and the second air containing cavity are communicated through a hose.
6. An obstetric and gynecological forceps for holding a fetal head in close proximity as claimed in claim 5 wherein said fluid is saline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263043.4A CN111388069B (en) | 2020-04-07 | 2020-04-07 | Obstetric forceps capable of being tightly attached to head of fetus for obstetrics and gynecology department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010263043.4A CN111388069B (en) | 2020-04-07 | 2020-04-07 | Obstetric forceps capable of being tightly attached to head of fetus for obstetrics and gynecology department |
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| Publication Number | Publication Date |
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| CN111388069A CN111388069A (en) | 2020-07-10 |
| CN111388069B true CN111388069B (en) | 2021-02-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107411807A (en) * | 2017-09-10 | 2017-12-01 | 济南富安机械设计有限公司 | A kind of gynecological delivery-assisting forceps |
| CN208492259U (en) * | 2017-09-13 | 2019-02-15 | 张柯 | A kind of novel controllable Obstetric forceps |
| CN209437346U (en) * | 2017-12-22 | 2019-09-27 | 中国人民解放军总医院第一附属医院 | A kind of gynemetrics's delivery obstetric forceps |
| CN209574839U (en) * | 2018-10-30 | 2019-11-05 | 杨秀兰 | A kind of ob-gyn's Obstetric forceps |
| CN210019573U (en) * | 2018-11-06 | 2020-02-07 | 汤璐 | Obstetric apparatus for obstetrics and gynecology department |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10010345B2 (en) * | 2010-04-07 | 2018-07-03 | Miriam Mackovic Basic | Instrument for occlusion of uterine blood vessels |
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2020
- 2020-04-07 CN CN202010263043.4A patent/CN111388069B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107411807A (en) * | 2017-09-10 | 2017-12-01 | 济南富安机械设计有限公司 | A kind of gynecological delivery-assisting forceps |
| CN208492259U (en) * | 2017-09-13 | 2019-02-15 | 张柯 | A kind of novel controllable Obstetric forceps |
| CN209437346U (en) * | 2017-12-22 | 2019-09-27 | 中国人民解放军总医院第一附属医院 | A kind of gynemetrics's delivery obstetric forceps |
| CN209574839U (en) * | 2018-10-30 | 2019-11-05 | 杨秀兰 | A kind of ob-gyn's Obstetric forceps |
| CN210019573U (en) * | 2018-11-06 | 2020-02-07 | 汤璐 | Obstetric apparatus for obstetrics and gynecology department |
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