CN211243637U

CN211243637U - Membrane rupturing device for obstetrics and gynecology department

Info

Publication number: CN211243637U
Application number: CN201921914980.0U
Authority: CN
Inventors: 王萍; 皮旭; 郭鹏; 程其会
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-14
Anticipated expiration: 2029-11-08

Abstract

The utility model relates to the technical field of medical equipment, a rupture of membranes device for gynaecology and obstetrics is disclosed, in order to improve the security to the rupture of membranes of pregnant woman, the upper and lower both ends of fixed ring all rotate and are connected with the expansion pole, the expansion mechanism has all been cup jointed with the low side in the top of expansion pole, expansion branch has been cup jointed to the inboard of expansion mechanism, and the outside of expansion mechanism cup joints elastic sleeve, the inboard of spacing snap ring is run through and is provided with the rupture of membranes ware. The utility model discloses an expansion of expanding mechanism, under elastic sleeve's protection, can make medical staff observe the concrete condition of fetal membrane, and then can be convenient for medical staff carries out the rupture of membranes to the fetal membrane and handle, replaced the mode of the blind vision rupture of membranes of traditional doctor, both improved the high-efficient accurate nature of rupture of membranes, and can avoid the rupture of membranes needle to scratch the baby's the condition, simultaneously through the extraction of rupture of membranes ware to the interior amniotic fluid of fetal membrane, the medical staff of can being convenient for observes the condition of pregnant woman through detecting the amniotic fluid colour.

Description

Membrane rupturing device for obstetrics and gynecology department

Technical Field

The utility model relates to the technical field of medical equipment, specifically a rupture of membranes device for gynaecology and obstetrics.

Background

The membrane rupture of pregnant women refers to a method for starting uterine contraction by puncturing a fetal membrane with an instrument or a needle head to enable amniotic fluid to flow out, the volume of an official cavity is changed, uterine dynamics change occurs, uterine contraction is started, after membrane rupture, uterine contraction is strengthened, fetal head descending is accelerated, fetal head pressure on cervix is increased, prostaglandin is increased in a reflex manner, meanwhile, nerve plexus beside cervix is stimulated, oxytocin release is increased, uterine contraction is further strengthened, and the labor process is shortened.

But this type of rupture of membranes device structure is comparatively single, can't carry out accurate effectual rupture of membranes operation, when increasing medical staff operating strength, easily leads to rupture of membranes needle fish tail baby, and can not collect the detection to the interior amniotic fluid of fetal membrane, detects the condition of pregnant woman through the colour of amniotic fluid. Accordingly, one skilled in the art provides a membrane rupturing device for obstetrics and gynecology department to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rupture of membranes device for gynaecology and obstetrics to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rupture of membranes device for gynaecology and obstetrics, includes fixed ring, the upper and lower both ends of fixed ring are all rotated and are connected with the expansion rod, and the inboard of fixed ring is located middle part position department and is fixed with spacing snap ring, the one end of expansion rod is fixed with the holder, and the top of expansion rod and low side have all cup jointed expanding mechanism, the expansion rod cup joints fixedly through round pin axle and expanding mechanism, expanding mechanism's inboard has cup jointed expansion branch, and expanding mechanism's the outside cup joints elastic sleeve, the inboard of spacing snap ring is run through and is provided with the rupture of membranes ware.

As a further aspect of the present invention: the membrane rupturing device comprises a solution barrel, a membrane rupturing needle head is arranged at one end of the solution barrel, an annular convex wing is arranged at the other end of the solution barrel, a pushing rod is embedded into one side, located at the annular convex wing, of one end of the solution barrel, and a negative pressure rubber head is arranged at the top end of the pushing rod.

As a further aspect of the present invention: the expanding mechanism comprises a pin shaft, the end of the pin shaft is rotatably connected with a connecting rod A, the top end of the connecting rod A is rotatably connected with a connecting rod B, and a spring is fixed between the connecting rod A and the connecting rod B.

As a further aspect of the present invention: the pin shafts are symmetrically arranged relative to the circle center of the elastic sleeve, the number of the pin shafts is not less than 6, pin holes are formed in the inner sides of the pin shafts, the inner diameters of the pin holes are matched with the outer diameters of the expansion rod and the expansion support rod,

as a further aspect of the present invention: the elastic sleeve is a silica gel material component, and the thickness of the elastic sleeve is not less than 3 mm.

As a further aspect of the present invention: the bilateral symmetry of fixed ring is provided with fixed pivot, and fixed ring rotates through fixed pivot and expansion rod to be connected.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an expansion of expanding mechanism, under elastic sleeve's protection, can make medical staff observe the concrete condition of fetal membrane, and then can be convenient for medical staff to carry out the rupture of membranes to the fetal membrane and handle, the mode of traditional doctor's blind vision rupture of membranes has been replaced, the high-efficient accurate nature of rupture of membranes has both been improved, and can avoid the rupture of membranes needle to scratch the condition of baby, simultaneously through the extraction of rupture of membranes ware to the interior amniotic fluid of fetal membrane, the medical staff of can being convenient for is through the condition that detects the pregnant woman of amniotic fluid colour observation, and then improve the detection ability to the baby health condition.

Drawings

FIG. 1 is a schematic structural diagram of a membrane rupturing device for obstetrics and gynecology department;

FIG. 2 is a schematic structural view of the inner side of a membrane rupturing device for obstetrics and gynecology department;

FIG. 3 is a schematic structural diagram of a membrane rupturing device in a membrane rupturing device for obstetrics and gynecology department;

fig. 4 is a schematic structural diagram of an expanding mechanism in a membrane rupturing device for obstetrics and gynecology department.

In the figure: 1. fixing the circular ring; 2. a clamp handle; 3. an expansion rod; 4. a limit snap ring; 5. a membrane rupturing device; 51. a solution cylinder; 52. a membrane rupturing needle head; 53. an annular convex wing; 54. a push rod; 55. a negative pressure rubber head; 6. an elastic sleeve; 7. an expansion mechanism; 71. a pin shaft; 72. a connecting rod A; 73. a spring; 74. a connecting rod B; 8. the struts are expanded.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, an embodiment of the utility model provides an rupture of membranes device for gynaecology and obstetrics, including fixed ring 1, the upper and lower both ends of fixed ring 1 are all rotated and are connected with expansion rod 3, and the bilateral symmetry of fixed ring 1 is provided with fixed rotating shaft, and fixed ring 1 rotates with expansion rod 3 through fixed rotating shaft and is connected, through the fixed rotating shaft of the bilateral symmetry of fixed ring 1, can make expansion rod 3 carry out the symmetry expansion, and then the medical staff's of being convenient for operation uses, and can wholly support expanding mechanism 7.

The inner side of the fixed ring 1 is fixed with a limit snap ring 4 at the middle position, one end of an expansion rod 3 is fixed with a clamp handle 2, the top end and the low end of the expansion rod 3 are respectively sleeved with an expansion mechanism 7, the expansion rod 3 is fixedly sleeved with the expansion mechanism 7 through a pin shaft 71, the inner side of the expansion mechanism 7 is sleeved with an expansion support rod 8, the expansion mechanism 7 comprises a pin shaft 71, the end part of the pin shaft 71 is rotatably connected with a connecting rod A72, the top end of a connecting rod A72 is rotatably connected with a connecting rod B74, a spring 73 is fixed between the connecting rod A72 and the connecting rod B74, the pin shafts 71 are mutually and symmetrically arranged relative to the circle center of the elastic sleeve 6, the number of the pin shafts 71 is not less than 6, the inner side of the pin shaft 71 is provided with pin holes, the inner diameter of the pin holes is matched with the outer diameters of the expansion rod 3 and the expansion support rod 8, when a fetal membrane is broken, medical, drive the outside synchronous expansion of round pin axle 71, further under connecting rod A72 and connecting rod B74's being connected, drive expansion branch 8 and carry out synchronous expansion, support the expansion to elastic sleeve 6, and then the expansion through expanding mechanism 7, under elastic sleeve 6's protection, can make medical staff's clear specific condition of observing the fetal membrane, be convenient for medical staff to carry out the rupture of membranes to the fetal membrane and handle, the mode of traditional doctor's blind vision rupture of membranes has been replaced, the high-efficient accurate nature of rupture of membranes has both been improved, and can avoid rupture of membranes needle to scratch the baby's condition, after rupture of membranes work, not hard up holder 2, under spring 73's elasticity, drive connecting rod A72 and connecting rod B74 shrink, and then drive expanding mechanism 7 and wholly shrink, make elastic sleeve 6 reset.

Elastic sleeve 6 has been cup jointed in the outside of expanding mechanism 7, and elastic sleeve 6 is a silica gel material component, and elastic sleeve 6's thickness is not less than 3mm, and elastic sleeve 6 of silica gel material has good contractility and compliance, can avoid the pregnant woman to carry out the discomfort that produces when the rupture of membranes operation, guarantees the travelling comfort of rupture of membranes process, and can be convenient for medical staff to its washing arrangement.

The inner side of the limiting snap ring 4 is provided with a membrane breaking device 5 in a penetrating manner, the membrane breaking device 5 comprises a solution barrel body 51, one end of the solution barrel body 51 is provided with a membrane breaking needle 52, the other end of the solution barrel body 51 is provided with an annular convex wing 53, one end of the solution barrel body 51 is embedded into one side of the annular convex wing 53 and is provided with a push rod 54, the top end of the push rod 54 is provided with a negative pressure rubber head 55, when the fetal membrane of a pregnant woman is broken, the membrane breaking device 5 is stretched into the expanded elastic sleeve 6 and is clamped with the limiting snap ring 4 through the annular convex wing 53, so that a worker can conveniently control the membrane breaking needle 52 to break the fetal membrane, after the membrane breaking is finished, the push rod 54 is pulled to drive the negative pressure rubber head 55 to be pulled in the solution barrel body 51, amniotic fluid in the fetal membrane is extracted to the solution barrel body 51 through the membrane breaking needle 52, and the situation of the pregnant, thereby improving the detection capability of the body condition of the baby.

The utility model discloses a theory of operation is: when the fetal membrane of the pregnant woman is broken, the medical staff kneads the clamp handle 2 to drive the expansion rod 3 to expand outwards, the pin shaft 71 is driven to expand outwards synchronously through the clamping of the expansion rod 3 and the pin shaft 71, the expansion support rod 8 is further driven to expand synchronously under the connection of the connecting rod A72 and the connecting rod B74 to support and expand the elastic sleeve 6, and then the specific condition of the fetal membrane can be clearly observed by the medical staff through the expansion of the expansion mechanism 7 under the protection of the elastic sleeve 6, so that the medical staff can conveniently break the fetal membrane, the traditional mode of breaking the fetal membrane by blind vision of doctors is replaced, the high-efficiency precision of the fetal membrane breaking is improved, the condition that the fetal membrane of the pregnant woman is scratched by a membrane breaking needle can be avoided, the membrane breaker 5 is stretched into the expanded elastic sleeve 6 in the process of breaking the fetal membrane of the pregnant woman, and is clamped with the limit snap ring 4 through the annular convex wing 53, make convenient control rupture of membranes syringe needle 52 of staff carry out rupture of membranes to the fetal membrane and handle, after rupture of membranes, pull pushing ram 54, drive negative pressure rubber head 55 at solution barrel 51 pull, extract the amniotic fluid in the fetal membrane to solution barrel 51 through rupture of membranes syringe needle 52, the medical staff's of can being convenient for condition through detecting the amniotic fluid colour observation pregnant woman, and then improve the detectability to the baby health condition, after rupture of membranes work, not hard up clamp holder 2, under spring 73's elasticity, drive connecting rod A72 and connecting rod B74 shrink, and then drive that expanding mechanism 7 is whole to shrink, make elastic sleeve 6 reset.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rupture of membranes device for gynaecology and obstetrics, includes fixed ring (1), its characterized in that, the upper and lower both ends of fixed ring (1) are all rotated and are connected with expansion rod (3), and the inboard of fixed ring (1) is located middle part position department and is fixed with spacing snap ring (4), the one end of expansion rod (3) is fixed with clamp holder (2), and expansion mechanism (7) have all been cup jointed with the low side on the top of expansion rod (3), expansion rod (3) cup joint fixedly through round pin axle (71) and expansion mechanism (7), expansion branch (8) have been cup jointed to the inboard of expansion mechanism (7), and the outside of expansion mechanism (7) has cup jointed elastic sleeve (6), the inboard of spacing snap ring (4) is run through and is provided with rupture of membranes ware (5).

2. The membrane rupturing device for the obstetrics and gynecology department according to claim 1, wherein the membrane rupturing device (5) comprises a solution cylinder body (51), one end of the solution cylinder body (51) is provided with a membrane rupturing needle (52), the other end of the solution cylinder body (51) is provided with an annular convex wing (53), one end of the solution cylinder body (51) is embedded and provided with a push rod (54) at one side of the annular convex wing (53), and the top end of the push rod (54) is provided with a negative pressure rubber head (55).

3. The membrane rupturing device for the obstetrics and gynecology department according to claim 1, wherein the expanding mechanism (7) comprises a pin shaft (71), a connecting rod A (72) is rotatably connected to the end of the pin shaft (71), a connecting rod B (74) is rotatably connected to the top end of the connecting rod A (72), and a spring (73) is fixed between the connecting rod A (72) and the connecting rod B (74).

4. The membrane rupturing device for the obstetrics and gynecology department according to claim 3, wherein the pin shafts (71) are symmetrically arranged relative to the circle center of the elastic sleeve (6), the number of the pin shafts (71) is not less than 6, pin holes are formed in the inner sides of the pin shafts (71), and the inner diameters of the pin holes are matched with the outer diameters of the expansion rod (3) and the expansion support rod (8).

5. A membrane rupturing device for obstetrics and gynecology department according to claim 1, wherein the elastic sleeve (6) is a member made of silicone material, and the thickness of the elastic sleeve (6) is not less than 3 mm.

6. The membrane rupturing device for the obstetrics and gynecology department according to claim 1, wherein the fixed rotating shaft is symmetrically arranged on two sides of the fixed ring (1), and the fixed ring (1) is rotatably connected with the expansion rod (3) through the fixed rotating shaft.