CN220801090U

CN220801090U - Catheter type labor induction water sac

Info

Publication number: CN220801090U
Application number: CN202322117459.7U
Authority: CN
Inventors: 温洁; 曹竹
Original assignee: Womens Hospital of Zhejiang University School of Medicine
Current assignee: Womens Hospital of Zhejiang University School of Medicine
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-04-19
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses a catheter-type labor induction water sac, which relates to the technical field of medical appliances and has the technical scheme that: comprises a saccule cervical dilator and is characterized in that: the balloon cervical dilator is characterized in that a plastic pipe is movably sleeved outside the balloon cervical dilator, the end part of the plastic pipe is fixedly connected with four clamping arms, an open slot is formed between the clamping arms, the four open slots are in a crisscross shape, and clamping claws are arranged on the inner walls of the four clamping arms; a quick locking clasp for tightening the clamping arm is movably sleeved on the outer side of the plastic pipe; and a handheld device is arranged outside the plastic pipe and the quick locking snap ring. The device sends the plastic tube and the water sac into the cervix through the handheld device, removes the operation of using the cervical clamp and the oval clamp, simplifies the operation process, reduces the uncomfortable feeling of pregnant women and prevents infection; meanwhile, the front part of the plastic tube, which is close to the cervix, is provided with the LED lamp beads, when the water sac is placed, the area in the vagina can be illuminated, the cervix is conveniently exposed, the placement is more accurate and rapid, and the working efficiency is improved.

Description

Catheter type labor induction water sac

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a catheter-type labor induction water sac.

Background

In gynaecology and obstetrics in hospitals, for pregnant women in middle and late stage of pregnancy needing induced labor, cervical conditions are poor, and if necessary, water sac induced labor is needed, wherein the water sac is placed between a uterine wall and a fetal membrane, intrauterine pressure is increased, cervical canal is mechanically stimulated, uterine contraction is induced and caused, and discharge of fetuses and placenta is promoted.

The existing water sac commonly used clinically is softer in texture, the cervical is required to be exposed by a vaginal speculum, cervical clamps are used for clamping the cervical, oval clamps are used for clamping the water sac, the cervical clamp and the oval clamps are placed in a cervical canal, the cervical clamps and the water sac are taken out, water is injected through a water injection port, a tail plug is plugged after the water injection is finished, and the tail end of the device is stuck to the inner side of thighs of a pregnant woman for facilitating the movement of the pregnant woman; however, the metal feeling of the cervical clamp and the oval clamp can increase the physiological fear of pregnant women on one hand, the complexity of operation can be improved on the other hand, the operation is easy to infect after repeated operation, and the toothless oval clamp can possibly cause the rupture of the water sac when clamping the root of the air sac.

Therefore, based on the above problems, the applicant has invented a catheter-type labor induction water sac.

Disclosure of utility model

The utility model aims to provide a catheter-type labor induction water sac, which is provided with a movably sleeved plastic pipe, wherein the plastic pipe, a shaping hose and the water sac are conveyed into a cervix through a handheld device, and the detail position of the sacculus is adjusted through a guide wire in the water sac, so that the operation of using cervical forceps and oval forceps is removed, the operation process is simplified, and the uncomfortable feeling of a pregnant woman is reduced; meanwhile, the front part of the plastic pipe, which is close to the cervix, is provided with the LED lamp beads, so that the inside of the cervix can be directly illuminated when the water bag is placed, the placement is more accurate and rapid, and the working efficiency is improved.

The technical aim of the utility model is realized by the following technical scheme: the catheter-type labor induction water sac comprises a balloon cervical dilator, wherein a plastic pipe and a shaping hose are movably sleeved outside the balloon cervical dilator, the end part of the plastic pipe is fixedly connected with the end part of the shaping hose, the end part of the plastic pipe, which is far away from the shaping hose, is fixedly connected with four clamping arms, an open slot is formed between the clamping arms, the four open slots are in a crisscross shape, clamping claws are arranged on the inner walls of the four clamping arms, and the end parts of the four clamping arms are fixedly connected with limiting tables; a quick locking clasp for tightening the clamping arm is movably sleeved on the outer side of the plastic pipe; and a handheld device is arranged outside the plastic pipe and the quick locking snap ring.

By adopting the technical scheme, the shaping hose and the plastic pipe which are movably sleeved outside the balloon cervical dilator are arranged, the shaping hose can change the shape and shape by a certain external force, the angle of the front shaping hose can be adjusted in advance before the balloon cervical dilator is put in, so that the latex tube and the balloon in the pipe are also changed, the shape of the whole device is more suitable for the shape of the cervix, then the balloon cervical dilator is fixed by the clamping arm and the quick locking clamp ring and is sent into the cervix, and after the balloon cervical dilator is put in, the clamping arm is released, and the plastic pipe and the shaping hose are taken out; therefore, the cervical clamp and the oval clamp can be prevented from being used for operation, the placement process of the water sac induced labor operation is simplified, the operation is more stable, the working efficiency is improved, meanwhile, the placement process is smoother due to the shaping hose, the physiological fear of a pregnant woman is reduced, and the pregnant woman is more comfortable.

The utility model is further provided with: the handheld device comprises two first support rods and two second support rods, wherein the end parts of the two first support rods are respectively hinged with two opposite limiting tables, the end parts of the two second support rods are respectively hinged with the side walls of the first support rods, and the end parts of the two second support rods, which are far away from the first support, are hinged with the outer side walls of the quick locking clamping rings.

Through adopting above-mentioned technical scheme, set up first bracing piece and second bracing piece, articulate spacing platform and quick lock snap ring, pull first bracing piece, pull quick lock snap ring to the centre gripping arm on, loosen first bracing piece quick lock snap ring by pushing away the centre gripping arm, make like this the doctor just can carry out the water pocket through pulling and loosening first bracing piece and place, improved work efficiency.

The utility model is further provided with: the plastic pipe is a thermoplastic elastomer.

By adopting the technical scheme, the front clamping arm is in an open state in a free state, is in a tightening state under the condition of being limited by the external quick-locking clamping ring, and the plastic belongs to hard materials, so that the cervical dilator with the built-in saccule can be sent into a cervical, and the cervical dilator has guiding and conveying functions.

The utility model is further provided with: LED lamp bead mounting tubes are connected into the axial channels of the shaping hose, and LED lamp beads are mounted at the ends, far away from the plastic tubes, of the LED lamp bead mounting tubes.

Through adopting above-mentioned technical scheme, set up the LED lamp pearl near the tip of cervical mouth at the design hose, just so can directly illuminate the cervical inside when placing the water pocket, make to place more accurate and swift, improved work efficiency.

The utility model is further provided with: the balloon cervical dilator comprises an inner balloon water injection hard valve, an outer balloon water injection hard valve, a latex tube, an outer cervical balloon, an inner cervical balloon and an inner cervical protection head, wherein two side wall parts of the latex tubes are attached, the separated end parts of the latex tubes are respectively connected with the inner balloon water injection hard valve and the outer balloon water injection hard valve, the attached end parts of the latex tubes are connected with the inner cervical protection head, the outer cervical balloon and the inner cervical balloon are fixedly sleeved on the two latex tubes, an opening is formed in the position of the outer cervical balloon of the latex tube connected with the outer cervical balloon, and an opening is formed in the position of the inner cervical balloon of the latex tube connected with the inner balloon water injection hard valve.

By adopting the technical scheme, the internal and external sacculus is respectively injected with water through the internal and external sacculus injection hydraulic valves, and the sacculus after water injection plays a role in expanding the placement part in the cervix.

The utility model is further provided with: and guide wires are fixed at the joint of the two latex tubes along the length direction, and the end parts of the guide wires are connected with the cervical inner protection head.

By adopting the technical scheme, the guide wire is connected with the balloon cervical dilator, so that the position of the front balloon can be adjusted in detail, and the guiding function is realized.

In summary, the utility model has the following beneficial effects:

1. The outer side of the balloon cervical dilator is provided with a shaping hose and a plastic tube which are movably sleeved, the shaping hose can change the shape and shape through a certain external force, the angle of the front shaping hose can be adjusted in advance before the balloon cervical dilator is put in, so that the latex tube and the balloon in the tube are also changed, the shape of the whole device is more suitable for the shape of the cervix, then the balloon cervical dilator is fixed through a clamping arm and a quick locking clamp ring and is sent into the cervix, and after the balloon cervical dilator is put in, the clamping arm is released, and the plastic tube and the shaping hose are taken out; therefore, the operation of using cervical clamp and oval clamp can be avoided, the placement process of the water sac induced labor operation is simplified, the operation is more stable, the working efficiency is improved, meanwhile, the placement process is smoother through the shaping hose, the physiological fear of pregnant women is reduced, and the pregnant women are more comfortable;

2. The handheld device is arranged, the limiting table is hinged with the quick lock snap ring through the first support rod and the second support rod, the first support rod is pulled, the quick lock snap ring is pulled to the clamping arm, and the quick lock snap ring of the first support rod is released to be pushed away from the clamping arm, so that a doctor can place the water bag only by pulling and releasing the first support rod, and the working efficiency is improved;

3. The plastic pipe is a thermoplastic elastomer with high rebound rate and low compression, so that the front clamping arm is in an open state in a free state and in a tightening state under the limitation of an external quick locking clamping ring, and the plastic pipe belongs to a hard material, so that the balloon cervical dilator can be sent into a cervical for guiding and conveying;

4. The end part of the shaping hose, which is close to the cervical orifice, is provided with the LED lamp beads, so that the inside of the cervical can be illuminated when the water bag is placed, the placement is more accurate and rapid, and the working efficiency is improved.

Drawings

FIG. 1 is a cross-sectional view of a plastic tube of a catheter-type induced labor water sac provided in an embodiment of the utility model;

FIG. 2 is a front view of a handheld device as provided in an embodiment of the present utility model when tightened;

FIG. 3 is a front view of a hand-held device provided in an embodiment of the present utility model when relaxed;

FIG. 4 is a top view of a plastic tube gripping arm in a free state and in a tightened state provided in an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the end of a plastic pipe provided in an embodiment of the present utility model;

Fig. 6 is a schematic view of the structure of a balloon cervical dilator provided in an embodiment of the utility model.

In the figure: 1. a plastic tube; 2. a clamping arm; 3. a claw; 4. a limiting table; 5. an open slot; 6. a quick-locking clasp; 7. a first support bar; 8. a second support bar; 9. shaping a hose; 10. LED lamp beads; 11. LED lamp bead mounting tubes; 12. an endocervical protecting head; 13. a guide wire; 14. an outer ball water injection hard valve; 15. the inner ball is filled with water to form a hard valve; 16. a latex tube; 17. an ectocervical balloon; 18. an intracervical balloon.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-6.

Examples: the catheter-type induced labor water sac comprises a balloon cervical dilator, wherein a plastic pipe 1 and a shaping hose 9 are movably sleeved on the outer side of the balloon cervical dilator, the end part of the plastic pipe 1 is fixedly connected with the end part of the shaping hose 9, the plastic pipe 1 is a thermoplastic elastomer with rubber and plastic properties, the characteristics of high elongation, high rebound rate, low compression set, low embrittlement temperature and the like are achieved, and the shaping hose 9 can change shape and shape under the action of certain external force; four clamping arms 2 are fixedly connected to the end part of the plastic pipe 1, open slots 5 are formed between the clamping arms 2, the four open slots 5 are in a crisscross shape, clamping claws 3 are fixedly connected to the inner walls of the four clamping arms 2, a limit table 4 is fixedly connected to the end part of the four clamping arms 2, a quick-locking clamping ring 6 for tightening the clamping arms 2 is movably sleeved on the outer side of the plastic pipe 1, and the clamping arms 2 are in an open state in a free state and in a tightening state in a state limited by the quick-locking clamping ring 6 due to the physical properties of the thermoplastic elastomer; the outer sides of the plastic pipe 1 and the quick locking snap ring 6 are provided with a handheld device. The quick locking clamp ring 6 is pulled to the clamping arm 2 through the handheld device, the clamping arm 2 is tightened, the clamping jaw 3 is driven to clamp the balloon cervical dilator, the curvature of the shaping hose 9 is manually adjusted to be more matched with the shape of the cervix, the balloon cervical dilator can be placed into the cervix through the handheld device, after placement is completed, the quick locking clamp ring 6 is pushed away from the clamping arm 2, the clamping arm 2 is in an open state, and the clamping jaw 3 is used for loosening the balloon cervical dilator, so that the plastic tube 1 and the shaping hose 9 are taken out; therefore, the cervical clamp and the oval clamp can be prevented from being used for operation, the placement process of the water sac induced labor operation is simplified, the operation is more stable, the working efficiency is improved, meanwhile, the placement process is smoother due to the sizing hose 9, the physiological fear of a pregnant woman is reduced, and the pregnant woman is more comfortable.

In this embodiment, preferably, the handheld device includes two first support rods 7 and two second support rods 8, as shown in fig. 3, the end parts of the two first support rods 7 are respectively hinged with two opposite limiting tables 4, the end parts of the two second support rods 8 are respectively hinged with the side walls of the first support rods 7, and the end parts of the two second support rods 8 far away from the first support are hinged with the outer side walls of the quick locking snap rings 6; pulling the first support rod 7, pulling the quick lock snap ring 6 by the first support rod 7 through the second support rod 8, pulling the quick lock snap ring 6 to the clamping arm 2, tightening and clamping the balloon cervical dilator by the clamping arm 2, then holding the first support rod 7 by hand, conveying the balloon cervical dilator into the cervix, finally loosening the first support rod 7, loosening the balloon cervical dilator by the clamping arm 2, and then taking out the plastic tube 1.

In the embodiment, as shown in fig. 5, an LED lamp bead mounting tube 11 is connected in an axial channel of the shaping hose 9, and an LED lamp bead 10 is mounted at the end of the LED lamp bead mounting tube 11 far away from the plastic tube 1; the interior of the cervix is illuminated through the lamp beads 10, so that the cervix can be placed more accurately and quickly, and the working efficiency is improved.

Preferably, the balloon cervical dilator comprises an inner balloon hydraulic valve 15, an outer balloon hydraulic valve 14, latex tubes 16, an outer cervical balloon 17, an inner cervical balloon 18 and an inner cervical protecting head 12, as shown in fig. 6, the side walls of the two latex tubes 16 are partially attached, the separated ends of the two latex tubes 16 are respectively connected with the inner balloon hydraulic valve 15 and the outer balloon hydraulic valve 14, the attached ends of the two latex tubes 16 are connected with the inner cervical protecting head 12, the outer cervical balloon 17 and the inner cervical balloon 18 are fixedly sleeved on the two latex tubes 16, the latex tubes 16 connected with the outer balloon hydraulic valve 14 are provided with openings at the outer cervical balloon 17, and the latex tubes 16 connected with the inner balloon hydraulic valve 15 are provided with openings at the inner cervical balloon 18; the balloon cervical dilator is placed in a cervix, 40m l normal saline is injected into the cervical balloon 18 through the inner balloon hydraulic valve 15, after filling, the balloon is pulled backwards to the uterus, so that the cervical balloon 18 is tightly attached to an internal cervix, at the moment, the cervical outer balloon 17 is positioned at an external cervix, 20ml normal saline is injected into the cervical outer balloon 17 through the outer balloon hydraulic valve 14, and finally, the tail end of the balloon cervical dilator is stuck to the inner side of the thigh of a pregnant woman, so that the pregnant woman can move conveniently.

In this embodiment, preferably, the joint of the two latex tubes 16 is fixed with a guide wire 13 along the length direction, and the end of the guide wire 13 is connected with the cervical inner protection head 12, so that the position of the front balloon can be adjusted in detail, and a guiding effect is achieved.

Working principle: firstly, a plastic pipe 1 and a shaping hose 9 are sleeved on a latex pipe 16 and two balloons of a balloon cervical dilator, a first supporting rod 7 of a handheld device is pulled, a quick lock clamping ring 6 is pulled to a clamping arm 2, the clamping arm 2 is in a tightening state under the condition limited by the quick lock clamping ring 6, a claw 3 clamps the latex pipe 16, and then the bending degree of the shaping hose 9 is adjusted, so that the shape of the shaping hose is more matched with the shape of the cervix of a pregnant woman; the LED lamp beads 10 are turned on, then the plastic tube 1, the shaping hose 9 and the balloon cervical dilator are sent into the cervix through the handheld device, the interior of the cervix is illuminated through the lamp beads 10, so that the placement is more accurate and quick, and the detail positions of the balloon inside and outside the cervix are adjusted through the guide wire 13; after the placing is finished, the first supporting rod 7 is loosened, the quick-lock clamping ring 6 is pushed away from the clamping arm 2, the clamping arm 2 in a free state is in an open state, so that the clamping jaw 3 loosens the latex tube 16, and the plastic tube 1 and the shaping hose 9 are taken out through the handheld device; during water injection, 40ml of physiological saline is injected into the cervical inner balloon 18 through the inner balloon water injection hard valve 15, after filling, the balloon is pulled backwards to enable the cervical inner balloon 18 to be tightly attached to the cervical inner opening, at the moment, the cervical outer balloon 17 is positioned at the cervical outer opening, and then 20ml of physiological saline is injected into the cervical outer balloon 17 through the outer balloon water injection hard valve 14; after the injection is finished, the tail end of the saccule cervical dilator is stuck on the inner side of the thigh of the pregnant woman, so that the pregnant woman can conveniently act.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a catheter formula induction labor water bag, includes sacculus cervical dilator, characterized by: the balloon cervical dilator is characterized in that a plastic pipe (1) and a shaping hose (9) are movably sleeved outside the balloon cervical dilator, the end part of the plastic pipe (1) is fixedly connected with the end part of the shaping hose (9), the end part of the plastic pipe (1) far away from the shaping hose (9) is fixedly connected with four clamping arms (2), an open slot (5) is arranged between the clamping arms (2), the four open slots (5) are in a cross shape, clamping claws (3) are respectively arranged on the inner walls of the four clamping arms (2), and a limiting table (4) is fixedly connected with the end part of the four clamping arms (2); a quick locking clasp (6) for tightening the clamping arm (2) is movably sleeved on the outer side of the plastic pipe (1); the outer sides of the plastic pipe (1) and the quick locking clamp ring (6) are provided with a handheld device.

2. The catheter-type labor induction water sac according to claim 1, wherein: the handheld device comprises two first support rods (7) and two second support rods (8), wherein the end parts of the two first support rods (7) are respectively hinged with two opposite limiting tables (4), the end parts of the two second support rods (8) are respectively hinged with the side walls of the first support rods (7), and the end parts of the two second support rods (8) away from the first support are hinged with the outer side walls of the quick locking clamping rings (6).

3. The catheter-type labor induction water sac according to claim 1, wherein: the plastic pipe (1) is a thermoplastic elastomer.

4. The catheter-type labor induction water sac according to claim 1, wherein: an LED lamp bead mounting pipe (11) is connected into the axial channel of the shaping hose (9); the end part of the LED lamp bead mounting pipe (11) far away from the plastic pipe (1) is provided with an LED lamp bead (10).

5. The catheter-type labor induction water sac according to claim 1, wherein: balloon cervical dilator includes interior ball water injection hard valve (15), outer ball water injection hard valve (14), latex tube (16), cervical outer balloon (17), cervical inner balloon (18) and cervical inner protection head (12), two latex tube (16) lateral wall part laminating, two latex tube (16) divided tip is connected with interior ball water injection hard valve (15) and outer ball water injection hard valve (14) respectively, two latex tube (16) laminating tip is connected with cervical inner protection head (12), cervical outer balloon (17) and cervical inner balloon (18) are fixed cup joint on two latex tubes (16), and latex tube (16) with outer ball water injection hard valve (14) are connected open in cervical outer balloon (17) department, and latex tube (16) that are connected with interior ball water injection hard valve (15) open in cervical inner balloon (18) department.

6. The catheter-type labor induction water sac according to claim 5, wherein: a guide wire (13) is fixed at the joint of the two latex tubes (16) along the length direction, and the end part of the guide wire (13) is connected with the cervical inner protection head (12).