CN112754627A

CN112754627A - Obstetric apparatus for pelvic region of obstetrics and gynecology department

Info

Publication number: CN112754627A
Application number: CN202110023741.1A
Authority: CN
Inventors: 刘少辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-05-07

Abstract

The invention discloses a obstetric apparatus for pelvic access in obstetrics and gynecology department, which structurally comprises a suction device, a connector, a suction indicator, a handle, a pull rod, a negative pressure generator and a negative pressure tube.

Description

Obstetric apparatus for pelvic region of obstetrics and gynecology department

Technical Field

The invention relates to the field of medical machinery, in particular to a pelvic obstetric apparatus for obstetrics and gynecology department.

Background

The practise midwifery indicates for making the foetus to deliver out the maternal birth canal smoothly, a series of measures of taking before and during labour, the lying-in woman is when carrying out the natural childbirth, often need the doctor to carry out the auxiliary operation to lying-in woman delivery with practise midwifery ware, thereby do benefit to the smooth birth of baby, make the foetus deliver out the maternal birth canal smoothly, avoid appearing the circumstances such as foetal oxygen deficiency in the labour, through the effectual suction of protection spacing body and extension piece cooperation to the head of foetus, make the lying-in woman deliver smoothly, promote the foetus to come out early, when helping to deliver, need the modified place:

when carrying out the helping labour to the lying-in woman, the doctor stretches into the vagina of lying-in woman with the practise midwifery ware, make the practise midwifery ware can paste the head position at foetus, because the suction piece all is directly pasted and attracts at foetus's head, at the in-process of outwards pulling out the foetus, foetus's head receives the extrusion of the great suction of aspirator and vagina, make foetus's head can become the length and become sharp, and because the just born child skin is all comparatively fragile, if the aspirator directly pastes at foetus's head, different degrees's silt green damage can appear in foetus's head receiving great suction, the damage to the leading to the fact of baby's head is great, the misery of lying-in woman and foetus has.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a pelvic obstetric apparatus for obstetrics and gynecology department.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a gynaecology and obstetrics is close basin midwifery ware, its structure includes suction device, joint, suction instruction table, handle, pull rod, negative pressure generator, negative pressure pipe, suction device and negative pressure pipe switch-on mutually, the one end that suction device was kept away from to the negative pressure pipe alternates inside stretching into the joint, connect and pass through negative pressure generator and pull rod switch-on mutually, negative pressure generator and handle are even as an organic whole, be equipped with communicating suction instruction table with it on the negative pressure generator.

As a further improvement of the invention, the suction device comprises a connecting port, a suction apparatus, a tight suction disc, a protection assembly, expanders and limiting pull bars, wherein the connecting port is arranged on the suction apparatus, the tight suction disc connected with the suction apparatus is arranged at one end of the suction apparatus far away from the connecting port, the tight suction disc is attached to the protection assembly, the limiting pull bars buckled with the tight suction disc are arranged at two sides of the tight suction disc, one ends of the limiting pull bars far away from the tight suction disc are connected to the expanders, the expanders are provided with two expanders, one ends of the two expanders penetrate through the inside of the suction apparatus, and the connecting port is communicated with a negative pressure tube.

As a further improvement of the invention, the dilator comprises two telescopic adjusting blocks, an auxiliary piece, sliding pieces and a connecting pipe, wherein the two telescopic adjusting blocks are connected to two sides of the connecting pipe, the two sides of the outer wall of the connecting pipe are respectively provided with the sliding pieces attached to the two sides of the outer wall of the connecting pipe, one end of the connecting pipe is inserted into the auxiliary piece, the other end of the connecting pipe penetrates through the suction apparatus, and the sliding pieces are connected with the limiting pull strips.

As a further improvement of the invention, the auxiliary member comprises a pressed elastic block, a connecting piece, a contact member, a cavity and a guide plate, wherein the pressed elastic block is arranged in the guide plate, the guide plate is arranged on the cavity, the connecting pieces buckled with the pressed elastic block are arranged on both sides of the inner wall of the pressed elastic block, one end of the connecting piece, far away from the pressed elastic block, is attached to the contact member, the contact member is arranged in the pressed elastic block, and the cavity is communicated with the connecting pipe.

As a further improvement of the invention, the contact element comprises a fixed plate, an adsorption sheet, a soft membrane, support blocks, an opening and closing push element and a positioning sleeve, wherein the fixed plate is provided with the positioning sleeve embedded and fixed with the fixed plate, the positioning sleeve is connected with the adsorption sheet, one end of the adsorption sheet is provided with the soft membrane sleeved with the adsorption sheet, the other end of the adsorption sheet is contacted with the support blocks, the support blocks are provided with two support blocks, one support block, far away from the adsorption sheet, of each support block is connected with the positioning sleeve, the opening and closing push element connected with the support blocks is arranged between the two support blocks, and the fixed plate is connected with the compression elastic block through a connecting element.

As a further improvement of the invention, the opening and closing pushing piece comprises a solid plate and a contraction pressing block, wherein the solid plate is embedded and fixed with the contraction pressing block, the solid plate and the contraction pressing block mutually form a symmetrical shaft structure, and the contraction pressing block is connected with the supporting block.

The protection assembly comprises two protection pieces, suction pieces and a sealing block, wherein the two protection pieces are connected to the inner wall of the sealing block in a staggered mode, the sealing block is provided with the suction pieces which are arranged in an equidistant annular mode, and the sealing block is attached to the suction disc.

The protection part comprises anti-skid pads, attaching blocks, air bags, two sliding rods, a shell and a retraction sleeve rod, wherein the anti-skid pads are fixedly connected to the outer walls of the sliding rods, the two sliding rods are sleeved with the retraction sleeve rod, one ends of the sliding rods, far away from the retraction sleeve rod, are in contact with the shell, one ends of the sliding rods, facing the shell, are provided with the attaching blocks, the attaching blocks are buckled with the attaching blocks, the air bags are arranged at the bottoms of the attaching blocks, the air bags are connected with the sliding rods, and the shell is fixedly connected with the sealing blocks.

As a further improvement of the invention, the attaching block comprises a fixed shaft, a guiding block, opening and closing fan blades, a reset block and a butt joint strip, wherein the fixed shaft is embedded in the butt joint strip, the fixed shaft is installed between the two opening and closing fan blades, the two opening and closing fan blades are arranged in the reset block, the guiding block which is sleeved with the reset block is arranged between the two reset blocks, two ends of the butt joint strip are connected to the two sliding rods, and an air bag is arranged at the bottom of the guiding block.

Advantageous effects

The obstetric apparatus for the pelvic region of obstetrics and gynecology department of the invention has the following beneficial effects:

1. according to the invention, the telescopic adjusting block, the auxiliary piece, the sliding piece and the connecting pipe are combined, the connecting pipe and the sliding piece are in a micro-arc structure, so that the sliding piece can be matched with the side face of the fetus when contacting the side face of the fetus, the length of the connecting pipe is adjusted through the telescopic adjusting block, the auxiliary piece can be in contact with the lower jaw of the fetus, the two auxiliary pieces can be effectively matched to pull out the fetus integrally upwards during midwifery suction, and the head of the fetus is effectively prevented from being deformed.

2. According to the invention, through the combined arrangement of the adsorption sheet, the soft membrane, the supporting block and the opening-closing pushing piece, the adsorption sheet can be adsorbed on the positions on the two sides of the mandible of the fetus under the action of the negative pressure generator, the soft membrane can be tightly attached to the skin on the two sides of the mandible of the fetus in the adsorption process, the soft membrane is of an arc convex structure and has better soft elasticity, so that when the fetus is pulled out, the soft membrane can better protect the skin of the fetus, and the pulling force applied to the skin of the fetus is effectively reduced.

3. According to the invention, the attaching block is tightly attached to the top of the head of a fetus through the combined arrangement of the attaching block, the air bag, the sliding rod and the retraction loop bar, the attaching block can be sunken downwards under stress to guide pressure to the sliding rod, the sliding rod slides downwards under stress on the retraction loop bar, the air bag can push and press the sliding rod after being subjected to extrusion forces of the two sliding rods, and the attaching block can be pushed upwards after the sliding rod is pushed and pressed by the air bag to be mutually repulsive force, so that the attaching block can be tightly attached to the head of the fetus, and the effect of delivering a parturient is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a obstetric apparatus for pelvic examination of obstetrics and gynecology department of the present invention;

fig. 2 is a schematic plan view of the suction device of the present invention.

Fig. 3 is a schematic cross-sectional view of the dilator of the present invention.

Fig. 4 is a side view of the auxiliary member of the present invention in a first working state.

FIG. 5 is a side view of the auxiliary member of the present invention in a second working state.

FIG. 6 is a schematic top view of the contact member of the present invention in a first operating state.

FIG. 7 is a schematic top view of the contact member of the present invention in a second operating state.

Fig. 8 is an enlarged structural diagram of a in fig. 6.

Fig. 9 is a schematic top view of the protection device of the present invention.

Fig. 10 is a side view of the protective element of the present invention.

Fig. 11 is a schematic view of the internal structure of the bonding block in the first working state according to the present invention.

Fig. 12 is a schematic view of the internal structure of the bonding block in the second working state according to the present invention.

In the figure: the suction device 1, the connector 2, the suction indicating gauge 3, the handle 4, the pull rod 5, the negative pressure generator 6, the negative pressure tube 7, the connection port 11, the suction device 12, the suction disc 13, the protection assembly 14, the expander 15, the limit pull strip 16, the telescopic adjusting block 151, the auxiliary member 152, the slide sheet 153, the connection pipe 154, the pressed elastic block 521, the joining member 522, the contact member 523, the cavity 524, the guide plate 525, the fixing plate F1, the suction sheet F2, the soft film F3, the supporting block F4, the opening and closing pushing member F5, the positioning sleeve F6, the solid plate F51, the contraction pressing block F52, the protection member 141, the suction sheet 142, the sealing block 143, the non-slip mat 411, the fitting block 412, the air bag 413, the sliding rod 414, the housing 415, the retraction sleeve rod 416, the fixing shaft G1, the guide connecting block G2, the opening and closing fan sheet G3, the reset block G.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a gynaecology and obstetrics is close basin midwifery ware, its structure includes suction device 1, connects 2, suction instruction table 3, handle 4, pull rod 5, negative pressure generator 6, negative pressure pipe 7, suction device 1 switches on with negative pressure pipe 7 mutually, negative pressure pipe 7 keeps away from the one end of suction device 1 and alternates and stretch into inside connecting 2, connect 2 and switch on with pull rod 5 mutually through negative pressure generator 6, negative pressure generator 6 links as an organic wholely with handle 4, be equipped with communicating suction instruction table 3 with it on the negative pressure generator 6.

Referring to fig. 2, the suction device 1 includes a connection port 11, a suction unit 12, a tight suction disc 13, a protection assembly 14, expanders 15, and limiting braces 16, the connection port 11 is disposed on the suction unit 12, the tight suction disc 13 connected to the connection port 11 is disposed at one end of the suction unit 12 away from the connection port 11, the tight suction disc 13 is attached to the protection assembly 14, the limiting braces 16 fastened to the tight suction disc 13 are disposed at both sides of the tight suction disc 13, one end of the limiting braces 16 away from the tight suction disc 13 is connected to the expanders 15, the expanders 15 are two, one ends of the two expanders 15 penetrate through the inside of the suction unit 12, and the connection port 11 is connected to the negative pressure tube 7.

The limiting pull strip 16 is used for pulling the two dilators 15, when the dilators 15 are expanded outwards, the two dilators 15 are pulled inwards through the limiting pull strip 16, the limiting pull strip 16 is made of a micro-elastic material, and the elasticity is not large, so that the two dilators 15 can be effectively clamped on two sides of the head of the fetus.

Referring to fig. 3, the expander 15 includes two telescopic adjustment blocks 151, an auxiliary member 152, sliding pieces 153, and a connection pipe 154, the two telescopic adjustment blocks 151 are connected to two sides of the connection pipe 154, the sliding pieces 153 attached to the two sides of the outer wall of the connection pipe 154 are disposed on two sides of the outer wall of the connection pipe 154, one end of the connection pipe 154 is inserted into the auxiliary member 152, the other end of the connection pipe 154 penetrates through the suction apparatus 12, and the sliding pieces 153 are connected to the limit braces 16.

The sliding piece 153 is used for assisting the telescopic adjusting block 151, the length of the connecting pipe 154 is adjusted through the telescopic adjusting block 151, the connecting pipe 154 can be effectively attached to the head of a fetus, the sliding pieces 153 on two sides of the connecting pipe 154 can be respectively contacted with the head of the fetus and the vagina of a lying-in woman, the sliding piece 153 is of a micro-arc structure, the head of the fetus and the vagina of the lying-in woman can be effectively protected, and the head of the fetus and the vagina of the lying-in woman are prevented from being damaged by friction.

Referring to fig. 4-5, the auxiliary member 152 includes a pressed elastic block 521, a connecting member 522, a contact member 523, a cavity 524, and a guide plate 525, the pressed elastic block 521 is installed inside the guide plate 525, the guide plate 525 is disposed on the cavity 524, the connecting members 522 fastened to the pressed elastic block 521 are disposed on both sides of the inner wall of the pressed elastic block 521, one end of the connecting member 522 away from the pressed elastic block 521 is attached to the contact member 523, the contact member 523 is installed inside the pressed elastic block 521, and the cavity 524 is connected to the connection pipe 154.

The connecting pieces 522 are used for positioning the contact piece 523, the two connecting pieces 522 fixedly buckle the positioning contact piece 523 on the guide plate 525, the positioning contact piece 523 is pressed to retract inwards after contacting the head of the fetus, the connecting pieces 522 guide the pressure to the pressure-bearing elastic block 521, and the pressure-bearing elastic block 521 performs dispersed processing on the pressure, so that the contact piece 523 can be tightly attached to the head of the fetus.

Referring to fig. 6-7, the contact member 523 includes a fixing plate F1, an absorbing plate F2, a soft membrane F3, a supporting block F4, a stretching and closing pushing member F5, and a positioning sleeve F6, the fixing plate F1 is provided with a positioning sleeve F6 embedded and fixed with the fixing plate F1, the positioning sleeve F6 is connected with an absorbing plate F2, one end of the absorbing plate F2 is provided with a soft membrane F3 sleeved with the absorbing plate F6332, the other end of the absorbing plate F2 is in contact with the supporting block F4, the supporting block F4 is provided with two supporting blocks, one supporting block F4 far away from the absorbing plate F2 is connected with the positioning sleeve F6, a stretching and closing pushing member F5 connected with the supporting block F4, and the fixing plate F1 is connected with the compressed spring block 521 through a connecting member 522.

The adsorption sheet F2 is used for assisting the film F3, the adsorption sheet F2 is adsorbed on the head of the fetus under the action of the negative pressure generator 6, the film F3 is contacted with the skin of the head of the fetus along with the movement of the adsorption sheet F2, and the film F3 is made of environment-friendly soft rubber materials, has good flexibility and cannot rub with the head of the fetus in the midwifery process.

Referring to fig. 8, the opening and closing pushing member F5 includes a solid plate F51 and a contracting press block F52, the solid plate F51 is embedded and fixed with the contracting press block F52, the solid plate F51 and the contracting press block F52 form a symmetry axis structure, and the contracting press block F52 is connected with the supporting block F4.

The contraction pressing block F52 is used for being matched with a solid plate F51, the adsorption piece F2 is extruded by the head of a fetus and then downwards transmits pressure to the opening and closing pushing piece F5 through the supporting block F4, the opening and closing pushing piece F5 is of a fan-shaped structure, a plurality of opening and closing pushing pieces F5 are stacked together, the pressure guided by the supporting block F4 is dispersed, the contraction pressing block F52 can be effectively matched with the solid plate F51 to support the adsorption piece F2, and the adsorption piece F2 is prevented from being stressed and retracting inwards.

Example two

Referring to fig. 9, the protection assembly 14 includes two protection members 141, two suction pieces 142, and two sealing blocks 143, the two protection members 141 are connected to an inner wall of the sealing block 143 in a staggered manner, the suction pieces 142 are arranged on the sealing block 143 in an equidistant annular arrangement, and the sealing block 143 is attached to the tight-suction disc 13.

The sealing block 143 is used to assist the suction piece 142, and when the suction piece 142 sucks the vertex of the fetus, the sealing block 143 blocks air outside the suction piece 142, thereby preventing the outside air from entering the suction piece 142 and affecting the midwifery effect of the suction piece 142.

Referring to fig. 10, the protection member 141 includes a non-slip mat 411, two attaching blocks 412, an air bag 413, two sliding rods 414, a housing 415, and a retracting sleeve 416, the non-slip mat 411 is fixedly connected to an outer wall of the sliding rod 414, the two sliding rods 414 are sleeved with the retracting sleeve 416, one end of the sliding rod 414 away from the retracting sleeve 416 is in contact with the housing 415, one end of the sliding rod 414 facing the housing 415 is provided with the attaching block 412 engaged with the sliding rod 414, the bottom of the attaching block 412 is provided with the air bag 413, the air bag 413 is connected to the sliding rod 414, and the housing 415 is fixedly connected to the sealing block 143.

The retraction sleeve 416 is used for limiting the sliding rod 414, the sliding rod 414 is pressed by the head of the fetus and slides downwards to be sleeved with the retraction sleeve 416, and the sliding position of the sliding rod 414 is limited by the retraction sleeve 416, so that the sliding rod 414 cannot be dislocated after being pressed, and the head of the fetus can be effectively attracted.

Referring to fig. 11, the attaching block 412 includes a fixing shaft G1, a guiding block G2, a sliding sash G3, a restoring block G4, and a docking strip G5, the fixing shaft G1 is embedded in the docking strip G5, the fixing shaft G1 is installed between the two sliding sashes G3, the two sliding sashes G3 are both disposed in the restoring block G4, the guiding block G2 sleeved with the restoring block G4 is disposed between the two restoring blocks G4, two ends of the docking strip G5 are connected to the two sliding rods 414, and the bottom of the guiding block G2 is provided with an air bag 413.

The aforesaid fan piece that opens and shuts G3 is used for cooperating reset block G4, lead and connect block G2 can contact at fetal parietal, can the pressurized lead send two reset block G4 with pressure on, two reset block G4 atresss can inwards retract, fan piece G3 that opens and shuts has the polylith board to overlap and constitutes fan-shaped structure together, make reset block G4 pressurized lead send pressure to open and shut fan piece G3 on, fan piece G3 that opens and shuts can overlap and overlap together layer after the pressurized, effectively disperse the pressure that leads and connect block G2 and receive.

The working principle of the above technical solution is explained as follows:

when the suction device is used, the suction device 1 extends into the vagina of a lying-in woman and is connected to the head of a fetus, a doctor pulls the pull rod 5, and air in the suction device 1 is pumped out through the mutual matching of the negative pressure generator 6 and the negative pressure pipe 7, so that the suction device 1 can be tightly attached to the head of the fetus, and the suction device is helpful for helping the lying-in woman to produce.

When the puerpera is assisted in delivery, the vagina of the puerpera is expanded outwards through the expander 15, so that the vaginal opening of the puerpera can be enlarged, after the expander 15 slides into the vagina, the guide and connection block G2 and the butt connection strip G5 can be in direct contact with the top of the head of a fetus, the guide and connection block G2 is made of soft gel material and has good elasticity and flexibility, the skin at the top of the head of the fetus can be effectively protected, so that the suction disc 13 can not be in direct contact with the top of the head of the fetus, the guide and connection block G2 is in a symmetrical figure, after the guide and connection block G2 is in contact with the top of the head of the fetus, the guide and connection block G4 at two sides can be uniformly extruded, the reset block G4 is pressed to drive the opening and closing fan G3 to effectively retract inwards, the opening and closing fan G3 can be overlapped together in a laminated manner, the pressure applied to the reset block G4 can be effectively transmitted to the butt connection strip G5, and the butt connection strip G5 can be, the two sliding rods 414 are pressed to be downwards slidably sleeved on the retraction sleeve rod 416, the air bag 413 can be inwards contracted along with the sliding of the sliding rods 414, the air bag 413 is in a sealed state, the internal air can be impacted together after being subjected to extrusion force, the air bag 413 is rapidly decomposed into nitrogen, the air bag 413 can be expanded and unfolded, the sliding rods 414 can receive the repulsive force generated by the extrusion of the air bag 413 and the butt-joint strip G5, when the extrusion force of the air bag 413 on the sliding rods 414 is greater than the extrusion force of the butt-joint strip G5 on the sliding rods 414, the sliding rods 414 can rebound upwards to guide the force to the butt-joint strip G5, the negative pressure generator 6 is matched with the suction disc 13 and the suction apparatus 12 to extract the air between the guide-joint block G2 and the top of the fetal head, the butt-joint strip G5 can be tightly attached to the top of the fetal head, the guide-joint block G2 can effectively protect the.

The dilator 15 expands the vagina of the lying-in woman outwards, the dilator slides downwards to the two sides of the head of the fetus due to inertia, the surface of the sliding sheet 153 is smooth, the head of the fetus and the vagina of the lying-in woman can be effectively protected, the sliding sheet 153 can be matched and connected with the side face of the fetus, the auxiliary piece 152 can be clamped on the two sides of the chin of the baby, the skin of the chin of the baby can be contacted on the soft film F3, the soft film F3 has good flexibility, the skin of the chin of the baby can be effectively protected, the adsorption sheet F2 can send the guiding force to the supporting block F4 under the weight of the head of the fetus, the supporting block F4 slides downwards under the stress to press the contraction pressing block F52, the contraction pressing block F52 retracts inwards under the stress, so that a plurality of solid plates F51 can be stacked together, the inside of the solid plates F51 is solid, and is not easy to deform after being pressed, can effectively cooperate brace piece F4 to support absorption piece F2, make absorption piece F2 can hug closely and handle at the lower jaw of foetus, the air between absorption piece F2 and the foetus lower jaw is taken out to rethread negative pressure generator 6, make absorption piece F2 can hug closely at foetus head top, continuously suck the air through negative pressure generator 6, make absorption piece F2 and suction disc 13 can the simultaneous movement, outwards pull out the foetus, make foetus's head atress even, the phenomenon that its head can not appear lengthening and become the point helps lying-in woman to produce, reduce the misery of lying-in woman and foetus, the production efficiency of lying-in woman is improved.

In summary, the invention adopts the combination of the suction device, the joint, the suction indicator, the handle, the pull rod, the negative pressure generator and the negative pressure tube to form a new obstetric apparatus for lying in the pelvis in obstetrics and gynecology department, the skin at the top and the lower jaw of the head of the fetus is respectively protected through the mutual matching of the guide connecting block and the soft membrane, so that the head skin of the baby can not be directly contacted on the suction disc, the head skin of the baby is effectively protected, the air around the suction sheet and the suction disc is adsorbed by the negative pressure generator, the suction sheet and the suction disc can move simultaneously, the fetus is pulled out, the parturient is assisted to produce, and the production efficiency of the parturient is improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a gynaecology and obstetrics is close basin midwifery ware, its structure includes suction device (1), joint (2), suction instruction table (3), handle (4), pull rod (5), negative pressure generator (6), negative pressure pipe (7), its characterized in that:

the suction device (1) is communicated with a negative pressure pipe (7), the negative pressure pipe (7) is inserted into the joint (2), the joint (2) is communicated with the pull rod (5) through a negative pressure generator (6), the negative pressure generator (6) is connected with the handle (4) into a whole, and a suction indicator (3) communicated with the negative pressure generator (6) is arranged on the negative pressure generator (6);

the suction device (1) comprises a connecting port (11), a suction apparatus (12), a tight suction disc (13), a protection assembly (14), an expander (15) and a limiting brace (16), wherein the connecting port (11) is arranged on the suction apparatus (12), the suction apparatus (12) is connected with the tight suction disc (13), the tight suction disc (13) is attached to the protection assembly (14), the tight suction disc (13) is buckled on the limiting brace (16), the limiting brace (16) is connected to the expander (15), the expander (15) penetrates through the inside of the suction apparatus (12), and the connecting port (11) is communicated with a negative pressure pipe (7).

2. The obstetric apparatus for pelvic access in obstetrics and gynecology department according to claim 1, wherein: the expander (15) comprises two telescopic adjusting blocks (151), an auxiliary piece (152), a sliding piece (153) and a connecting pipe (154), the two telescopic adjusting blocks (151) are connected to the two sides of the connecting pipe (154), the connecting pipe (154) is attached to the sliding piece (153), the first connecting pipe (154) is connected with the auxiliary piece (152) and the suction device (12), and the sliding piece (153) is connected with a limiting brace (16).

3. The obstetric apparatus for the pelvic region of obstetrics and gynecology department according to claim 2, wherein: auxiliary member (152) are including the pressurized bullet piece (521), link up piece (522), contact member (523), cavity (524), baffle (525), pressurized bullet piece (521) is installed inside baffle (525), establish on cavity (524) baffle (525), pressurized bullet piece (521) inner wall both sides all are equipped with link up piece (522), link up piece (522) laminating is on contact member (523), contact member (523) are installed and are pressed inside bullet piece (521), cavity (524) and takeover (154) are put through mutually.

4. The obstetric apparatus for pelvic access in obstetrics and gynecology department according to claim 3, wherein: contact piece (523) including fixed plate (F1), adsorption plate (F2), mantle (F3), brace (F4), open and close and push away piece (F5), position sleeve (F6), be equipped with position sleeve (F6) on fixed plate (F1), position sleeve (F6) is connected with adsorption plate (F2), adsorption plate (F2) and mantle (F3), be connected with brace (F4), brace (F4) is connected with position sleeve (F6), brace (F4) and open and close and push away piece (F5) and meet, fixed plate (F1) are connected with bullet piece (521) through linking up piece (522) pressurized.

5. The obstetric apparatus for pelvic access in obstetrics and gynecology department according to claim 4, wherein: the opening and closing push piece (F5) comprises a solid plate (F51) and a contraction pressing block (F52), the solid plate (F51) and the contraction pressing block (F52) are embedded and fixed, and the contraction pressing block (F52) is connected with a supporting block (F4).

6. The obstetric apparatus for pelvic access in obstetrics and gynecology department according to claim 1, wherein: the protection component (14) comprises two protection parts (141), two suction pieces (142) and two sealing blocks (143), the two protection parts (141) are connected to the inner wall of the sealing block (143), the suction pieces (142) are arranged on the sealing block (143), and the sealing block (143) is attached to the suction disc (13).