CN216854808U - Artificial perforation device for obstetric clinical use - Google Patents

Abstract

The utility model discloses an artificial membrane rupture device for clinical obstetrics, belonging to the technical field of obstetric membrane rupture, comprising a cylinder body, a conical suction cup, a liquid collecting observation cylinder and a negative pressure cylinder; one end of the cylinder body is connected with the conical suction cup The small end of the port, the other end of the cylinder body is connected to one end of the liquid collection observation cylinder, and the other end of the liquid collection observation cylinder is connected to one end of the negative pressure cylinder; the outer end of the conical suction cup is provided with an arc suction groove, and the arc suction The surfaces on both sides of the inside of the groove are respectively provided with adsorption grooves; the inner middle of the arc-shaped suction groove is provided with a membrane-breaking needle; in the utility model, the conical suction cup is used to fit the fetal membrane, and the pump body provides negative pressure, The fetal membrane is adsorbed into the arc-shaped suction groove, and the fetal membrane is adsorbed and contacted with the membrane-breaking needle, resulting in puncture. The operation is simple, the use is flexible, the adsorption groove is increased, and the local adsorption capacity is improved, and the fetal membrane will not be punctured. The fetal membrane as a whole falls off from the conical silicone suction cup to ensure the normal collection of amniotic fluid by the liquid collection observation tube, with a high safety factor, scientific and effective.

Description

Artificial perforation device for obstetric clinical use

technical field

The utility model belongs to the technical field of obstetric membrane rupture, in particular to an artificial membrane rupture device for obstetric clinical use.

Background technique

Artificial rupture of membranes is an artificial way of intervening to tear the amniotic membrane at the cervix in order to observe the color of the amniotic fluid, strengthen uterine contractions, and accelerate the progress of the labor process. It is a common way of inducing labor during natural childbirth. Under the action of prostaglandins, collagenase and elastase stored in leukocytes are released, leading to collagen degradation, cervical ripening, cervical softening, and cervix dilation, thereby accelerating the labor process.

At present, in clinical practice, the left hand and index finger are usually used to penetrate the vagina, and the right hand holds a toothed forceps or a needle to tear the fetal membrane or use a needle to hook the fetal membrane, which requires high operator requirements and is inconvenient to operate. When using the device, the operation is inflexible, the safety is low, and it is not easy to collect amniotic fluid for observation. At the same time, due to the large amount of vaginal secretion of puerperae, the existing device is easy to slip from the hand when it sticks, and the risk factor is high, and the existing membrane rupture device. There is no preheating function, and the temperature difference can easily cause maternal discomfort when it extends into the vagina of the parturient.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides an artificial membrane rupture device for obstetrics clinical use, which is flexible in operation, high in safety factor, easy to collect amniotic fluid, not easy to slip off, and has a preheating function.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

An artificial membrane rupture device for obstetrics clinical use, comprising a cylinder body, a conical suction cup, a liquid collecting observation cylinder, and a negative pressure cylinder; One end of the liquid observation cylinder; the other end of the liquid collection observation cylinder is connected to one end of the negative pressure cylinder; the outer end of the conical suction cup is provided with an arc-shaped suction groove; the surfaces on both sides of the inside of the arc-shaped suction groove There are adsorption grooves respectively; the inner middle of the arc-shaped suction groove is provided with a membrane perforating needle; the needle head of the membrane permeating needle is set outward; the interior of the cylinder body is hollow; Electric heating sheet, suction pipe, negative pressure pipe A, and battery are installed; the battery is set in the cylinder close to one end of the liquid collection observation cylinder; the inner wall of the cylinder close to one end of the conical suction cup is provided with an electric heating sheet; close to the end of the liquid collection observation cylinder The surface of the cylinder body is provided with a non-slip kit, and the outside of the non-slip kit is provided with anti-skid stripes; the inside of the liquid collection observation tube is hollow; the side of the liquid collection observation tube is provided with a negative pressure tube B; the The negative pressure pipe B is provided with a valve; the inside of the negative pressure cylinder is hollow; a pump body is installed in the negative pressure cylinder; the battery is electrically connected with the electric heating sheet and the pump body; The negative pressure port is provided with a tee; the second interface of the tee is connected to one end of the negative pressure pipe A, and the other end of the negative pressure pipe A is connected to the adsorption groove; the third interface of the tee It is connected with one end of the negative pressure tube B, the other end of the negative pressure tube B is connected to the inside of the liquid collection observation tube, one end of the described liquid suction tube is connected to the inside of the liquid collection observation tube, and the other end is connected to the outlet of the membrane perforating needle. end. Both the cylinder body and the liquid collecting observation cylinder are made of transparent materials.

As a further technical improvement, the conical suction cup is made of transparent material; the middle of the barrel is provided with an LED light; the direction of the LED light is toward the conical suction cup; the LED light is electrically connected to the battery. The LED light is for the convenience of the doctor to observe the situation in the vagina, no need to use additional lighting, and reduces the difficulty of the operation. The conical suction cup is made of transparent silica gel material, which has a better fit with the fetal membrane; the LED light is irradiated with weak light; the pump body adopts a low-power negative pressure pump, with low negative pressure and slow negative pressure.

As a further technical improvement, the bottom of the liquid collecting observation tube is provided with a liquid discharge port; the liquid discharge port is provided with a cover body. The liquid discharge port is used to discharge the collected amniotic fluid, and the device is convenient to clean after use.

As a further technical improvement, the edges and corners of the arc-shaped suction slot adopt arc transitions. After the edges and corners of the arc-shaped suction groove adopt arc transition, the contact with the fetal membrane is not easy to cause friction damage to the fetal membrane.

As a further technical improvement, the corners of the adsorption groove adopt arc transitions. After the corners of the adsorption groove adopt arc transition, the contact with the fetal membrane is not easy to cause friction damage to the fetal membrane, and the adhesion with the fetal membrane is higher, and the adsorption is more reliable.

The use method of this utility model:

When in use, the device is sterilized as a whole, the electric heating sheet is energized to preheat the cylinder, and the heating degree of the electric heating sheet is adjusted to the same temperature as the temperature in the human vagina. The outer ring is attached to the fetal membrane, the pump body is activated, and the fetal membrane is adsorbed into the arc-shaped suction groove. Due to the negative pressure state, the fetal membrane is adsorbed and contacted with the membrane-breaking needle until the needle is inserted into the fetal membrane, and the fetal membrane will not occur during the process. To tear or poke the baby, open the valve of the negative pressure tube B, the pump body slowly draws out the air in the liquid collection observation tube, the negative pressure is formed in the liquid collection observation tube, the amniotic fluid flows from the membrane perforating needle to the suction tube, and then drains After the amniotic fluid is collected to an appropriate level, the valve is closed to stop the liquid collection. The doctor observes the color of the amniotic fluid through the liquid collection observation tube. After the judgment is completed, close the pump body to stop the negative pressure, take out the whole device, and open the drain. The amniotic fluid is drained, and then cleaned and disinfected for use in the next operation.

Compared with the prior art, the beneficial effects that the utility model has are as follows:

1. In the utility model, by adopting the conical suction cup to fit the fetal membrane, negative pressure is provided by the pump body, and the fetal membrane is adsorbed into the arc-shaped suction groove, and the fetal membrane is adsorbed and contacts the membrane perforating needle, causing piercing, and the operation is simple , flexible use, increase the adsorption groove, improve the local adsorption capacity, will not cause the fetal membrane as a whole to fall off the conical silicone suction cup due to fetal membrane puncture, ensure the normal collection of amniotic fluid by the liquid collection observation tube, high safety factor, scientific and effective.

2. The utility model sets a valve in the negative pressure tube B, the doctor collects the amniotic fluid under negative pressure in the liquid collection observation tube by controlling the valve switch, controls the liquid collection process of the liquid collection, the liquid collection is slow, safe and controllable, easy to use, and collected. Simple; using a transparent material collection observation tube, it is easy for doctors to observe the color of the amniotic fluid, make corresponding judgments, and improve the efficiency of the operation.

3. The utility model adds an electric heating sheet. Before the operation, the part of the front part of the cylinder extending into the vagina is preheated to reach a temperature similar to that of the vagina of the parturient. The process of insertion reduces the discomfort of the vagina of the parturient and improves the comfort of the operation.

4. The utility model uses a built-in LED light as the light source for the operation, the doctor can easily observe the fit state of the outer ring of the conical suction cup, which is beneficial to the operation. The LED light is irradiated with weak light, which can effectively avoid the discomfort of the fetus caused by the strong light.

5. The utility model adds an anti-skid kit with anti-skid stripes on the outside of the cylinder, so that the device is not easily slipped from the hand when it is glued, and the safety of the device is improved.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic view of the front structure of the conical suction cup.

Among them, the above symbols and their corresponding component names are as follows:

1-Cylinder body, 2-Arc suction groove, 3-Membrane breaking needle, 4-Adsorption groove, 5-Conical suction cup, 6-Electric heating plate, 7-Liquid suction tube, 8-Negative pressure tube A, 9 -LED light, 10- liquid collection observation tube, 11- valve, 12- pump body, 13- negative pressure tube, 14- negative pressure tube B, 15- cover body, 16- battery, 17- anti-skid kit.

Detailed ways

In order to make the above objects, features and advantages of the basic utility model more clearly understood, the present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Example:

As shown in Figures 1-2, an artificial membrane perforation device for obstetric clinical use in this embodiment includes a cylinder body 1, a conical suction cup 5, a liquid collection observation cylinder 10, and a negative pressure cylinder 13; the cylinder body 1 One end is connected to the smaller end of the conical suction cup 5, the other end of the cylinder 1 is connected to one end of the liquid collection observation cylinder 10; the other end of the liquid collection observation cylinder 10 is connected to one end of the negative pressure cylinder 13; The outer end of the suction cup 5 is provided with an arc suction groove 2; the surfaces on both sides of the inside of the arc suction groove 2 are respectively provided with suction grooves 4; 3; the needle head direction of the membrane perforating needle 3 is set outward; the interior of the cylinder body 1 is hollow; the cylinder body 1 is respectively installed with an electric heating sheet 6, a liquid suction pipe 7, a negative pressure pipe A8, The battery 16; the battery 16 is set in the cylinder 1 near one end of the liquid collection observation cylinder 10; the inner wall of the cylinder 1 near the conical suction cup 5 end is provided with an electric heating plate 6; the surface of the cylinder 1 close to the liquid collection observation cylinder 10 There is an anti-skid kit 17, and the outside of the anti-skid kit 17 is provided with anti-skid stripes; the inside of the liquid collection observation tube 10 is hollow; the side of the liquid collection observation tube 10 is provided with a negative pressure pipe B14; The pressure tube B14 is provided with a valve 11; the negative pressure cylinder 13 is hollow inside; the negative pressure cylinder 13 is installed with a pump body 12; the battery 16 is electrically connected to the electric heating sheet 6 and the pump body 12 respectively The negative pressure port of the described pump body 12 is provided with a tee; the second interface of the described tee is connected with one end of the negative pressure pipe A8, and the other end of the described negative pressure pipe A8 communicates with the adsorption groove 4; The third interface of the tee is connected with one end of the negative pressure pipe B14, the other end of the negative pressure pipe B14 is connected to the inside of the liquid collection observation tube 10, and one end of the described liquid suction pipe 7 is connected to the liquid collection observation tube 10. Inside, the other end is connected to the outlet end of permeabilization needle 3.

The conical suction cup 5 is made of transparent material; the middle of the cylindrical body 1 is provided with an LED light 9 ; the direction of the LED light 9 faces the conical suction cup 5 ; the LED light 9 is electrically connected with the battery 16 . The LED light 9 is for the convenience of the doctor to observe the situation in the vagina, no need to use additional lighting to reduce the difficulty of the operation. The conical suction cup 5 is made of transparent silica gel material, which has a better fit with the fetal membrane; the LED light 9 is irradiated with weak light.

The bottom of the liquid collection observation tube 10 is provided with a liquid discharge port; the liquid discharge port is provided with a cover body 15 . The liquid discharge port is used to discharge the collected amniotic fluid, and the device is convenient to clean after use.

The corners of the arc-shaped suction grooves 2 adopt arc transitions. After the edges and corners of the arc-shaped suction grooves 2 are transitioned by arcs, the contact with the fetal membrane is unlikely to cause friction damage to the fetal membrane.

The corners of the adsorption grooves 4 adopt arc transitions. After the corners of the adsorption groove 4 adopt arc transitions, the contact with the fetal membrane is less likely to cause friction damage to the fetal membrane, and the adhesion to the fetal membrane is higher and the adsorption is more reliable.

How to use this embodiment:

When in use, the device is sterilized as a whole, the electric heating sheet 6 is energized to preheat the cylinder 1, the heating degree of the electric heating sheet 6 is adjusted to be the same as the temperature in the human vagina, the LED light 9 is turned on, and the LED light 9 passes through the conical suction cup 5, When the fetal membrane is irradiated, the doctor expands the vagina of the parturient with his left hand, observes the position of the fetal membrane, attaches the outer ring of the conical suction cup 5 to the fetal membrane, starts the pump body 12, and absorbs the fetal membrane into the arc-shaped suction groove 2. In the negative pressure state, the fetal membrane is adsorbed and contacted with the perforating needle until the needle is inserted into the fetal membrane, and the fetal membrane will not be torn or punctured in the process. Open the valve 11 of the negative pressure tube B14, and the pump body will collect the liquid observation tube. The air in 10 is slowly drawn out, a negative pressure is formed in the liquid collection observation tube 10, the amniotic fluid flows from the membrane perforating needle to the liquid suction tube 7, and then discharged into the liquid collection observation tube 13. After the amniotic fluid is collected to an appropriate liquid level, close the valve 11 , stop the liquid collection, the doctor observes the color of the amniotic fluid through the liquid collection observation tube 10, after the judgment is completed, close the pump body 12 to stop the negative pressure, take out the whole device, open the drain port, drain the amniotic fluid, and then clean and disinfect it until the next time. surgical use.

The above are only specific embodiments of the present invention, so that those skilled in the art can understand or realize the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (5)

1. An artificial membrane rupture device for obstetric clinical use, characterized in that: it comprises a cylinder body (1), a conical suction cup (5), a liquid collection observation cylinder (10), and a negative pressure cylinder (13); One end of the cylindrical body (1) is connected to the small end of the conical suction cup (5) port, and the other end of the cylindrical body (1) is connected to one end of the liquid collection observation tube (10); the liquid collection observation tube (10) ) is connected to one end of the negative pressure cylinder (13); The outer end of the conical suction cup (5) is provided with an arc-shaped suction groove (2); the surfaces on both sides of the inner side of the arc-shaped suction groove (2) are respectively provided with suction grooves (4); A membrane perforating needle (3) is arranged in the middle of the inside of the shaped suction groove (2); the needle head direction of the membrane permeation needle (3) is set outward; The cylinder body (1) is hollow inside; the cylinder body (1) is respectively equipped with an electric heating sheet (6), a liquid suction pipe (7), a negative pressure pipe A (8), and a battery (16); A battery (16) is arranged in the cylinder (1) close to one end of the liquid collection observation cylinder (10); an electric heating sheet (6) is arranged on the inner wall of the cylinder (1) close to one end of the conical suction cup (5); close to the liquid collection observation The surface of the cylinder body (1) at one end of the cylinder (10) is provided with a non-slip kit (17), and the outer side of the non-slip kit (17) is provided with anti-skid stripes; The inside of the liquid collecting observation tube (10) is hollow; one side of the liquid collecting observation tube (10) is provided with a negative pressure pipe B (14); the negative pressure pipe B (14) is provided with a valve ( 11); The negative pressure cylinder (13) is hollow inside; a pump body (12) is installed in the negative pressure cylinder (13); the battery (16) is connected to the electric heating sheet (6) and the pump body (12) respectively. ) electrical connection; The negative pressure port of the pump body (12) is provided with a tee; the second interface of the tee is connected to one end of the negative pressure pipe A (8), and the other end of the negative pressure pipe A (8) The adsorption groove (4) is communicated; the third interface of the tee is connected to one end of the negative pressure pipe B (14), and the other end of the negative pressure pipe B (14) is connected to the liquid collecting observation tube (10) One end of the liquid suction pipe (7) is connected to the inside of the liquid collecting observation tube (10), and the other end is connected to the outlet end of the membrane permeation needle (3). 2. The artificial membrane rupture device for clinical obstetrics according to claim 1, characterized in that: the conical suction cup (5) is made of transparent material; an LED light (9) is provided in the middle of the cylinder (1) ; the direction of the LED lamp (9) is toward the conical suction cup (5); the LED lamp (9) is electrically connected with the battery (16). 3. The artificial membrane perforation device for obstetric clinical use according to claim 1, characterized in that: the bottom of the liquid collection observation tube (10) is provided with a liquid discharge port; the liquid discharge port is provided with a cover ( 15). 4 . The artificial membrane perforation device for clinical obstetrics according to claim 1 , wherein the corners of the arc-shaped suction groove ( 2 ) adopt arc transitions. 5 . 5 . The artificial membrane rupture device for obstetric clinical use according to claim 1 , wherein the corners of the adsorption groove ( 4 ) adopt arc transitions. 6 .

Images