CN216167756U - Obstetrical department uses amniotic fluid rupture of membranes device - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to an amniotic fluid membrane rupturing device for obstetrical department, which comprises a lead-in pipe, a cylinder b, a screw b, a limiting ring b, a support ring d, a support ring c, a probe, a drain pipe and a cylinder c; a support ring a and a support ring b are arranged on the inner peripheral wall of the introducing pipe; a limiting ring a is arranged on the outer peripheral wall of the cylinder b; the screw b penetrates through the cylinder b, the bottom of the screw b is provided with a knob a, and the outer wall of the bottom of the screw b is provided with scale marks; the support ring d and the support ring c are arranged on the inner peripheral wall of the introducing pipe in a sliding manner, and the spring b is arranged between the support ring c and the support ring d; the limiting ring b is arranged on the screw rod b; the probe is arranged at the top of the screw rod b; the cylinder c is arranged on the support ring c; the drain pipe is arranged on the support ring c. According to the utility model, the probe is rotatably inserted into the amniotic membrane, so that the inward concave deformation of the amniotic membrane is reduced, the safety is improved, and the outflow speed and outflow quantity of the amniotic membrane can be observed at the first time.

Description

Obstetrical department uses amniotic fluid rupture of membranes device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a amniotic fluid membrane rupturing device for an obstetrical department.

Background

Chinese patent with application number CN202010892331.6 discloses a amniotic fluid membrane breaking device, in particular to an amniotic fluid membrane breaking device for obstetrical department, which comprises a membrane breaking device body and a knob arranged at one end of the membrane breaking device body, wherein the surface of the membrane breaking device body is provided with a lead-in pipe, one end of the lead-in pipe is fixedly provided with an air bag ring, the upper surface of one end of the lead-in pipe, which is far away from the air bag ring, is vertically provided with a pin hole, the inside of the pin hole is provided with a fixed pin matched with the pin hole, the inside of the lead-in pipe is provided with a probing rod, one end of the probing rod, which is close to the air bag ring, is provided with a probe, the center of the probe is provided with a thimble opening, one end of the probing rod, which is far away from the probe, is symmetrically provided with a push handle, the surface of the probing rod, which is close to the pin hole, is provided with a thread, the top of one end of the probing rod is provided with the knob, the surface is provided with precision scribed lines, a pointer is arranged above the precision scribed lines, which can control the depth of the membrane breaking device, the device is prevented from moving, and the scratch to the baby caused in the manual operation process is avoided.

However, the above-mentioned published solutions have the following disadvantages: the probing needle is inserted inwards under the propelling action of the membrane breaking rod to break the membrane, but the amniotic membrane has certain elasticity, the amniotic membrane is sunken inwards in the advancing process of the probing needle, the depth required by actual puncture is larger than the thickness of the amniotic membrane, the probing needle is easy to contact with a baby to hurt the baby, the front end is sealed by inflating the air bag, the amniotic membrane flows out after puncturing, part of the amniotic membrane enters the guide tube, and the other part of the amniotic membrane firstly enters the space between the probe end and the air bag, so that the outflow speed of the amniotic membrane cannot be observed at the first time after puncturing the amniotic membrane, the subsequent judgment is influenced, and the influence on the fetus is easy to cause.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an amniotic fluid membrane breaking device for an obstetrical department, aiming at the problems that in the background technology, the outflow speed and the outflow quantity of amniotic fluid cannot be observed in the first time after the amniotic fluid membrane is punctured, and the actual insertion depth of a probe is larger than the thickness of the amniotic fluid membrane, so that the fetus is easily damaged.

The technical scheme of the utility model is as follows: an obstetrical amniotic fluid membrane breaking device comprises a guide pipe, a cylinder b, a screw b, a limiting ring b, a support ring d, a support ring c, a probe, a drain pipe and a cylinder c;

the leading-in pipe is provided with an angle adjusting assembly for adjusting the inclination angle of the leading-in pipe, the inner peripheral wall of the leading-in pipe is provided with a support ring a and a support ring b in parallel along the axial direction of the leading-in pipe, the inner peripheral surface of the support ring b is provided with a first annular groove, and the support ring b is positioned at the bottom of the leading-in pipe; a limiting ring a which is inserted into the first annular groove in a matched mode is arranged on the outer peripheral wall of the cylinder b, a limiting component for limiting the limiting ring a to rotate is arranged on the lead-in pipe, and a rotating component for driving the cylinder b to rotate is arranged on the lead-in pipe; the screw b penetrates through the cylinder b, a second thread matched with the screw b is arranged on the inner peripheral wall of the cylinder b, the bottom of the screw b is provided with a knob a, and the outer wall of the bottom of the screw b is provided with scale marks; the support ring d and the support ring c are arranged on the inner peripheral wall of the introducing pipe in a sliding mode along the axial direction of the introducing pipe, the support ring c is located above the support ring d, a spring b is arranged between the support ring c and the support ring d, and a second annular groove is formed in the inner peripheral surface of the support ring d; the limiting ring b is arranged on the screw rod b and is inserted into the second annular groove in a matching manner; the probe is arranged at the top of the screw rod b, and the top end of the probe is flush with the top of the lead-in pipe; the cylinder c is arranged on the support ring c, and the top of the cylinder c is flush with the top of the lead-in pipe; the drain pipe forms the water inlet at the position that the lowest point of support ring c contacts with barrel c, and the drain pipe stretches into the inlet pipe outside.

Preferably, the angle adjusting component comprises a bottom plate, a supporting column, a cylinder a, a screw rod a and a shifting plate; the supporting column is vertically arranged on the bottom plate, the bottom plate is horizontally arranged, the top of the supporting column is rotatably connected with the outer wall of the bottom of the lead-in pipe, and the rotation direction of the lead-in pipe is clockwise or anticlockwise; the bottom of the cylinder a is rotationally connected with the bottom plate, and the rotation direction of the cylinder a is clockwise or anticlockwise; the screw a is inserted into the cylinder a, a first thread matched with the screw a is arranged on the inner peripheral wall of the cylinder a, and the top of the screw a is rotationally connected with the bottom of the outer peripheral wall of the lead-in pipe; the poking plate is arranged on the screw rod a and is provided with a plurality of groups.

Preferably, the limiting assembly comprises a limiting rod, a baffle plate and a spring a; the limiting ring a, the supporting ring b and the lead-in pipe are provided with opposite limiting holes, and the limiting rod is inserted into the limiting hole on the limiting ring a from the outside of the lead-in pipe in a matching manner; the baffle is arranged on the end part of the limiting rod outside the lead-in pipe; the spring a is sleeved on the limiting rod, one end of the spring a is connected with the baffle, the other end of the spring a is connected with the outer peripheral wall of the guide-in pipe, and the spring a is in a stretching state.

Preferably, the rotating assembly comprises a worm wheel, a worm and a knob b; the worm wheel is arranged on the outer peripheral wall of the cylinder b and is positioned above the support ring b; the worm is arranged on the inner peripheral wall of the lead-in pipe, the top of the worm penetrates through the pipe wall of the lead-in pipe and extends into the upper part of the lead-in pipe, and the worm is meshed with the worm wheel; the knob b is arranged on the top of the worm.

Preferably, the springs b are arranged in multiple groups, and the multiple groups of springs b are uniformly distributed along the circumference by taking the axis of the introducing pipe as the center.

Preferably, the device also comprises an arc-shaped plate and a supporting frame; the support frame comprises a parallel section parallel to the axis of the introducing pipe and a vertical section vertical to the axis of the introducing pipe, the vertical section is connected with the inner peripheral wall of the introducing pipe, the vertical section is positioned between a support ring d and a support ring c, and the parallel section penetrates through the support ring c; the arc sets up the tip at support frame parallel section, and the arc does not contact with leading-in pipe top internal perisporium, and the arc periphery circle diameter is less than the leading-in pipe global diameter, and the arc center is provided with and supplies probe male probe via hole, and barrel c top is inserted in the clearance between arc and the leading-in pipe internal perisporium.

Preferably, a sealing ring is arranged on the top of the cylinder c.

Preferably, the support frame sets up the multiunit, and multiunit support frame uses the induction pipe axis to be evenly distributed along the circumference as the center.

Compared with the prior art, the utility model has the following beneficial technical effects: the angle adjusting component is used for adjusting the inclination angle of the lead-in pipe to facilitate the lead-in pipe to be inserted into a uterine orifice, the lead-in pipe and the cylinder c are contacted with the amniotic membrane, the rotary knob a is used for driving the screw rod b to rotate and move, the screw rod b is used for driving the probe to be inserted into the amniotic membrane, the screw rod b is used for driving the cylinder c to be attached to the amniotic membrane through the limiting ring b, the support ring d, the spring b and the support ring c to form a closed space, the limit component is used for limiting the limiting ring a after the screw rod b is screwed in a certain distance according to the indication of a scale mark, the cylinder b is driven to rotate through the rotary component, the cylinder b is used for driving the screw rod b and the probe to rotate, the probe can be fully rotated and inserted into the amniotic membrane, the concave deformation of the amniotic membrane is reduced, the damage to a fetus caused by too much inserted probe is prevented, the amniotic membrane is punctured, the amniotic fluid completely enters the cylinder c and is discharged from the drain pipe, and the amniotic fluid can rarely enter other parts, the outflow speed and the outflow volume of amniotic fluid can be observed at the first time, so that the subsequent operation is convenient to continue, and the safety of puncturing the amniotic membrane is further improved.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a front cross-sectional view of FIG. 1;

FIG. 3 is a top cross-sectional view of FIG. 1;

fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Reference numerals: 1. a base plate; 2. a support pillar; 3. an introducing pipe; 4. a cylinder body a; 5. a screw a; 6. dialing a plate; 7. a support ring a; 8. a cylinder b; 9. a support ring b; 10. a limiting ring a; 11. a limiting rod; 12. a baffle plate; 13. a spring a; 14. a worm gear; 15. a worm; 16. a knob b; 17. a screw b; 18. a knob a; 19. scale lines; 20. a limiting ring b; 21. a support ring d; 22. a support ring c; 23. a spring b; 24. an arc-shaped plate; 25. a support frame; 26. a probe via hole; 27. a probe; 28. a seal ring; 29. a drain pipe; 30. And (c) a cylinder body.

Detailed Description

Example one

As shown in fig. 1-4, the amniotic fluid membrane rupturing device for obstetrical department provided by the utility model comprises an introducing pipe 3, a cylinder b8, a screw b17, a limiting ring b20, a support ring d21, a support ring c22, a probe 27, a drain pipe 29 and a cylinder c 30;

the leading-in pipe 3 is provided with an angle adjusting assembly for adjusting the inclination angle of the leading-in pipe, the inner peripheral wall of the leading-in pipe 3 is provided with a support ring a7 and a support ring b9 in parallel along the axial direction of the leading-in pipe, the inner peripheral surface of the support ring b9 is provided with a first annular groove, and the support ring b9 is positioned at the bottom of the leading-in pipe 3; a limiting ring a10 which is inserted into the first annular groove in a matched mode is arranged on the outer peripheral wall of the cylinder b8, a limiting component which limits the limiting ring a10 to rotate is arranged on the introducing pipe 3, and a rotating component which drives the cylinder b8 to rotate is arranged on the introducing pipe 3; the screw b17 penetrates through the cylinder b8, the screw b17 is parallel to the introducing pipe 3, the inner peripheral wall of the cylinder b8 is provided with a second thread matched with the screw b17, the bottom of the screw b17 is provided with a knob a18, and the outer wall of the bottom of the screw b17 is provided with scale marks 19; the support ring d21 and the support ring c22 are both arranged on the inner peripheral wall of the inlet tube 3 in a sliding manner along the axial direction of the inlet tube 3, the support ring c22 is positioned above the support ring d21, a spring b23 is arranged between the support ring c22 and the support ring d21, a plurality of groups of springs b23 are arranged, the plurality of groups of springs b23 are uniformly distributed along the circumference by taking the axial direction of the inlet tube 3 as the center, and a second annular groove is arranged on the inner peripheral surface of the support ring d 21; the limiting ring b20 is arranged on the screw b17, and the limiting ring b20 is inserted into the second annular groove in a matching way; the probe 27 is arranged at the top of the screw b17, and the top end of the probe 27 is flush with the top of the introducing pipe 3; the cylinder c30 is arranged on the support ring c22, the top of the cylinder c30 is flush with the top of the inlet pipe 3, and the top of the cylinder c30 is provided with a sealing ring 28; the drain pipe 29 forms a water inlet at a position where the lowest point of the support ring c22 contacts the cylinder c30, and the drain pipe 29 extends to the outside of the introduction pipe 3.

In this embodiment, the angle adjusting assembly is used to adjust the inclination angle of the introducing tube 3 to facilitate insertion into the uterine cavity, so that the introducing tube 3 and the cylinder c30 contact the amniotic membrane, the rotary knob a18 drives the screw b17 to rotate and move, the screw b17 drives the probe 27 to be inserted into the amniotic membrane, meanwhile, the screw b17 drives the cylinder c30 to be attached to the amniotic membrane through the limiting ring b20, the supporting ring d21, the spring b23 and the supporting ring c22 to form a closed space, according to the indication of the graduation line 19, after the probe is screwed in a certain distance, the limiting assembly contacts the limiting ring a10 to limit, the rotary assembly drives the cylinder b8 to rotate, the cylinder b8 drives the screw b17 and the probe 27 to rotate, so as to facilitate the probe 27 to be fully rotatably inserted into the amniotic membrane, so as to reduce the inward deformation of the amniotic membrane, prevent the probe from being excessively inserted into the fetus from being damaged, and after the amniotic membrane is punctured, the amniotic fluid completely enters the cylinder c30 and is discharged from the water discharge pipe 29, the amniotic fluid can rarely enter other parts, the outflow speed and the outflow quantity of the amniotic fluid can be observed in the first time, the subsequent operation is convenient to continue, and the safety of puncturing the amniotic membrane is further improved.

Example two

Compared with the first embodiment, the amniotic fluid membrane rupturing device for the obstetrical department, provided by the utility model, comprises an angle adjusting component, a membrane rupturing component and a membrane rupturing component, wherein the angle adjusting component comprises a bottom plate 1, a supporting column 2, a cylinder a4, a screw a5 and a shifting plate 6; the supporting column 2 is vertically arranged on the bottom plate 1, the bottom plate 1 is horizontally arranged, the top of the supporting column 2 is rotatably connected with the outer wall of the bottom of the inlet pipe 3, and the rotating direction of the inlet pipe 3 is clockwise or anticlockwise; the bottom of the cylinder a4 is rotationally connected with the bottom plate 1, and the rotation direction of the cylinder a4 is clockwise or anticlockwise; the screw a5 is inserted into the cylinder a4, the inner peripheral wall of the cylinder a4 is provided with a first thread matched with the screw a5, the top of the screw a5 is rotatably connected with the bottom of the outer peripheral wall of the introducing pipe 3, and the screw a5 can rotate along the axial direction and can also rotate clockwise or anticlockwise; the shifting plate 6 is arranged on the screw a5, and the shifting plate 6 is provided with a plurality of groups.

In this embodiment, the shifting plate 6 drives the screw a5 to rotate, the extending length of the screw a5 is changed, the inclination angle of the guiding tube 3 can be adjusted, and the operation is simple and the use is convenient.

EXAMPLE III

Compared with the first embodiment, the amniotic fluid membrane rupturing device for the obstetrical department, provided by the utility model, comprises a limiting component, a limiting component and a membrane, wherein the limiting component comprises a limiting rod 11, a baffle plate 12 and a spring a 13; the limiting ring a10, the supporting ring b9 and the lead-in pipe 3 are provided with opposite limiting holes, and the limiting rod 11 is inserted into the limiting hole on the limiting ring a10 from the outside of the lead-in pipe 3 in a matching way; the baffle 12 is arranged on the end part of the limiting rod 11 outside the inlet pipe 3; the spring a13 is sleeved on the limiting rod 11, one end of the spring a13 is connected with the baffle 12, the other end of the spring a13 is connected with the outer peripheral wall of the introducing pipe 3, and the spring a13 is in a stretching state; the rotating assembly comprises a worm wheel 14, a worm 15 and a knob b 16; the worm wheel 14 is arranged on the outer peripheral wall of the cylinder b8, and the worm wheel 14 is positioned above the supporting ring b 9; the worm 15 is arranged on the inner peripheral wall of the introducing pipe 3, the top of the worm 15 penetrates through the pipe wall of the introducing pipe 3 and extends into the upper part of the introducing pipe 3, and the worm 15 is meshed with the worm wheel 14; the knob b16 is provided on top of the worm 15.

In this embodiment, the baffle 12 is pulled upward, so that the limiting rod 11 can rotate the cylinder b8 after being separated from the limiting hole on the limiting ring a10, the worm 15 is driven to rotate by rotating the knob b16, the worm 15 drives the cylinder b8 to rotate, when the cylinder b8 does not need to be rotated, the angle of the cylinder b8 is adjusted, and the limiting rod 11 is inserted into the limiting hole on the limiting ring a10 again to be fixed.

Example four

Compared with the first embodiment, the amniotic fluid membrane rupturing device for the obstetrical department further comprises an arc-shaped plate 24 and a support frame 25; the support frames 25 comprise parallel sections parallel to the axis of the inlet pipe 3 and vertical sections perpendicular to the axis of the inlet pipe 3, the vertical sections are connected with the inner peripheral wall of the inlet pipe 3, the vertical sections are positioned between the support rings d21 and c22, the parallel sections penetrate through the support rings c22, the support frames 25 are provided with a plurality of groups, and the groups of support frames 25 are uniformly distributed along the circumference by taking the axis of the inlet pipe 3 as the center; the arc 24 sets up the tip at the parallel section of support frame 25, and the arc 24 and leading-in pipe 3 top inner peripheral wall contactless, and arc 24 periphery circle diameter is less than leading-in pipe 3 inner peripheral surface diameter, and the arc 24 center is provided with the probe via hole 26 that supplies probe 27 to insert, and barrel c30 top is inserted in the clearance between arc 24 and the leading-in pipe 3 inner peripheral wall.

In this embodiment, the arc plate 24 is used to seal the top opening of the introducing tube 3, so as to improve the comfort of inserting the introducing tube 3 into the uterine opening.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (8)

1. The amniotic fluid membrane breaking device for the obstetrical department is characterized by comprising a lead-in pipe (3), a cylinder b (8), a screw b (17), a limiting ring b (20), a support ring d (21), a support ring c (22), a probe (27), a drain pipe (29) and a cylinder c (30);

an angle adjusting assembly for adjusting the inclination angle of the lead-in pipe (3) is arranged on the lead-in pipe, a support ring a (7) and a support ring b (9) are arranged on the inner peripheral wall of the lead-in pipe (3) in parallel along the axial direction of the lead-in pipe, a first annular groove is formed in the inner peripheral surface of the support ring b (9), and the support ring b (9) is positioned at the bottom of the lead-in pipe (3); a limiting ring a (10) which is inserted into the first annular groove in a matched mode is arranged on the outer peripheral wall of the cylinder b (8), a limiting component which limits the limiting ring a (10) to rotate is arranged on the lead-in pipe (3), and a rotating component which drives the cylinder b (8) to rotate is arranged on the lead-in pipe (3); the screw b (17) penetrates through the cylinder b (8), second threads matched with the screw b (17) are arranged on the inner peripheral wall of the cylinder b (8), a knob a (18) is arranged at the bottom of the screw b (17), and scale marks (19) are arranged on the outer wall of the bottom of the screw b (17); a support ring d (21) and a support ring c (22) are arranged on the inner peripheral wall of the introducing pipe (3) in a sliding mode along the axial direction of the introducing pipe (3), the support ring c (22) is located above the support ring d (21), a spring b (23) is arranged between the support ring c (22) and the support ring d (21), and a second annular groove is formed in the inner peripheral surface of the support ring d (21); the limiting ring b (20) is arranged on the screw b (17), and the limiting ring b (20) is inserted into the second annular groove in a matching manner; the probe (27) is arranged at the top of the screw b (17), and the top end of the probe (27) is flush with the top of the lead-in pipe (3); the cylinder c (30) is arranged on the support ring c (22), and the top of the cylinder c (30) is flush with the top of the inlet pipe (3); the drain pipe (29) forms a water inlet at a position where the lowest point of the support ring c (22) is in contact with the cylinder c (30), and the drain pipe (29) extends into the outside of the introduction pipe (3).

2. The amniotic fluid membrane breaking device for the obstetrical department according to claim 1, wherein the angle adjusting component comprises a bottom plate (1), a supporting column (2), a cylinder a (4), a screw a (5) and a shifting plate (6); the supporting columns (2) are vertically arranged on the bottom plate (1), the bottom plate (1) is horizontally arranged, the tops of the supporting columns (2) are rotatably connected with the outer wall of the bottom of the lead-in pipes (3), and the lead-in pipes (3) are rotated clockwise or anticlockwise; the bottom of the cylinder a (4) is rotationally connected with the bottom plate (1), and the rotation direction of the cylinder a (4) is clockwise or anticlockwise; the screw a (5) is inserted into the cylinder a (4), the inner peripheral wall of the cylinder a (4) is provided with a first thread matched with the screw a (5), and the top of the screw a (5) is rotationally connected with the bottom of the outer peripheral wall of the introducing pipe (3); the shifting plate (6) is arranged on the screw a (5), and the shifting plate (6) is provided with a plurality of groups.

3. The amniotic fluid membrane breaking device for obstetrics of claim 1, wherein the limiting component comprises a limiting rod (11), a baffle plate (12) and a spring a (13); the limiting ring a (10), the supporting ring b (9) and the lead-in pipe (3) are provided with opposite limiting holes, and the limiting rod (11) is inserted into the limiting holes in the limiting ring a (10) in a matched manner from the outside of the lead-in pipe (3); the baffle (12) is arranged on the end part of the limiting rod (11) outside the lead-in pipe (3); the spring a (13) is sleeved on the limiting rod (11), one end of the spring a (13) is connected with the baffle (12), the other end of the spring a (13) is connected with the outer peripheral wall of the introducing pipe (3), and the spring a (13) is in a stretching state.

4. The amniotic fluid membrane breaking device for obstetrics of claim 1, wherein the rotating assembly comprises a worm wheel (14), a worm (15) and a knob b (16); the worm wheel (14) is arranged on the peripheral wall of the cylinder b (8), and the worm wheel (14) is positioned above the support ring b (9); the worm (15) is arranged on the inner peripheral wall of the introducing pipe (3), the top of the worm (15) penetrates through the pipe wall of the introducing pipe (3) and extends into the upper part of the introducing pipe (3), and the worm (15) is meshed with the worm wheel (14); the knob b (16) is arranged on the top of the worm (15).

5. The amniotic fluid membrane breaking device for obstetrics and gynecology department of claim 1, wherein the springs b (23) are provided in multiple groups, and the multiple groups of springs b (23) are uniformly distributed along the circumference with the axis of the introducing pipe (3) as the center.

6. The amniotic fluid membrane breaking device for obstetrics of claim 1, further comprising an arc-shaped plate (24) and a support frame (25); the support frame (25) comprises a parallel section parallel to the axis of the inlet pipe (3) and a vertical section vertical to the axis of the inlet pipe (3), the vertical section is connected with the inner peripheral wall of the inlet pipe (3), the vertical section is positioned between a support ring d (21) and a support ring c (22), and the parallel section penetrates through the support ring c (22); arc (24) set up the tip at support frame (25) parallel section, arc (24) and leading-in pipe (3) top internal perisporium contactless, arc (24) periphery circle diameter is less than leading-in pipe (3) internal perisporium diameter, arc (24) center is provided with and supplies probe (27) male probe via hole (26), barrel c (30) top is inserted in the clearance between arc (24) and leading-in pipe (3) internal perisporium.

7. The amniotic fluid membrane breaking device for obstetrics and gynecology department of claim 1, wherein the top of the cylinder c (30) is provided with a sealing ring (28).

8. The amniotic fluid membrane breaking device for obstetrics and gynecology department of claim 6, wherein the supporting frames (25) are provided in multiple groups, and the multiple groups of supporting frames (25) are uniformly distributed along the circumference by taking the axis of the ingress pipe (3) as the center.

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