CN217593010U

CN217593010U - Ethacridine amniotic cavity injection induced labor device

Info

Publication number: CN217593010U
Application number: CN202220428277.4U
Authority: CN
Inventors: 窦文婷; 丁苇
Original assignee: Dongguan Tungwah Hospital Co Ltd
Current assignee: Dongguan Tungwah Hospital Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-10-18
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses an ethacridine amniotic membrane cavity injection labor induction device, which comprises a needle sheath, a needle core, a three-way joint, a connecting pipe, a vacuum bottle and an injector, wherein the needle sheath comprises a needle body and a holding part, the needle body is of a hollow penetrating structure along the length direction and forms an injection channel, the holding part is sleeved and fixed at the upper end of the needle body, and a connecting part communicated with the injection channel is also protruded and extended out of the holding part; the needle core is of a solid structure and can be inserted into the injection channel in a matching manner; the three-way joint comprises an adjusting switch, a first joint, a second joint and a third joint which are controlled by the adjusting switch to be communicated or not; the connecting pipe is communicated between the first joint and the connecting part; the vacuum bottle is communicated with the second joint; the syringe is in communication with the third connector. Borrow by the utility model discloses when carrying out the injection operation of ethacridine amniotic cavity, need not make a round trip to change device and puncture, easy operation, efficient and safe and reliable.

Description

Ethacridine amniotic cavity injection induced labor device

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an induced labor device for injecting ethacridine into an amniotic cavity.

Background

The intracavitary injection of the amnion of ethacridine is a common midpregnancy induced labor operation in clinic, and is suitable for patients who require termination of pregnancy at 14-27 weeks of pregnancy without contraindication. Ethacridine (also known as RIVANOL, its common name: ethacridine). It is a powerful disinfectant and can cause the contraction of in vitro and in vivo uterine muscles. 50-100 mg of ethacridine is injected into the amniotic cavity to be used as induced labor, which can cause uterine contraction and promote the discharge of fetus and placenta. Currently, the introduction of labor by the intracavitary injection of ethacridine amnion is mainly directly finished by an injector; the method comprises the following specific steps: firstly, selecting a puncture point under the guidance of ultrasound; then vertically puncturing the uterine wall of the selected puncture point into an amniotic cavity by using a No. 7 lumbar puncture needle with a core, pulling out the needle core until amniotic fluid overflows, or sucking out the amniotic fluid by using an empty syringe to determine that the needle tip is positioned in the amniotic cavity; finally, connecting a prepared syringe filled with the ethacridine liquid medicine to a puncture needle, and injecting a proper amount of liquid medicine to complete injection of the ethacridine in the amniotic cavity; and pulling out the puncture needle after injection. The existing injection mode of the ethacridine amniotic cavity is complicated in operation steps, after a puncture needle penetrates into the amniotic cavity, the needle core needs to be pulled out, an injector is connected to try to suck amniotic fluid, after the amniotic fluid overflows, the injector is withdrawn, and the injector filled with the ethacridine is replaced to inject the drug; the syringe is changed twice at least in the whole process, because the syringe is directly connected with the puncture needle, the pollution of the interface is easily caused, and the puncture needle displacement is easily caused by the pulling and inserting actions, so that the medicine injection failure is caused, and the injury of a patient is caused by medical accidents.

Therefore, a safe and reliable ethacridine amniotic cavity injection labor induction device with simple operation, less standby medical substances and high efficiency is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an easy operation, reserve medical material are few, efficient and safe and reliable's ethacridine amniotic cavity pours into induced labor device.

In order to achieve the purpose, the utility model provides an ethacridine amniotic membrane cavity injection induced labor device, which is characterized in that the device comprises a needle sheath, a needle core, a three-way joint, a connecting pipe, a vacuum bottle and an injector, wherein the needle sheath comprises a needle body and a holding part, the needle body is of a hollow penetrating structure along the length direction, the hollow penetrating structure forms an injection channel, an opening at the lower end of the needle body is of a tip structure with an inclined plane, the holding part is sleeved and fixed at the upper end of the needle body, and a connecting part communicated with the injection channel is further protruded out of the holding part; the needle core is of a solid structure and can be inserted into the injection channel in a matched and pluggable manner; the three-way joint comprises an adjusting switch, and a first joint, a second joint and a third joint which are controlled by the adjusting switch to be communicated or not; one end of the connecting pipe is communicated with the first joint, and the other end of the connecting pipe is in butt joint and sealing communication with the connecting part, so that the connecting pipe is communicated with the injection channel; the vacuum bottle is communicated with the second joint; the syringe is in communication with the third fitting.

Compared with the prior art, when the utility model is used, the stylet is firstly inserted into the injection channel of the needle sheath matched with the stylet and fixed; then, under the ultrasonic guidance, a needle sheath with a built-in needle core is punctured into the amniotic cavity; after the puncture needle is punctured into the amniotic cavity, the needle core is pulled out, the opening at the upper end of the needle body is sealed, and the needle sheath is reserved; through rotating the regulating switch, the injection channel, the connecting pipe, the first joint, the second joint and the vacuum bottle are communicated, and the third joint is closed, so that amniotic fluid is sucked into the vacuum bottle under the action of negative pressure if the needle sheath is punctured in the amniotic cavity, and the needle sheath can be quickly, accurately and effectively determined to be positioned in the amniotic cavity. After the needle sheath is positioned in the amniotic cavity, injecting ethacridine with required dosage into the injector, and communicating the injector with the ethacridine with the third joint; then, the injection channel, the connecting pipe, the first joint, the third joint and the injector are communicated by rotating the adjusting switch, the second joint is closed, at the moment, the handle of the injector is pushed, ethacridine in the injector sequentially passes through the third joint, the first joint and the connecting pipe to enter the injection channel, and finally the ethacridine entering the injection channel is injected into the amnion cavity from the opening at the lower end of the needle body, so that the injection is completed. After the injection is finished, the needle core is completely inserted into the injection channel, then the needle sheath with the needle core inside is pulled out, the puncture point is disinfected, the dressing is covered, and the operation is finished. Therefore, when the amnion cavity injection operation of the ethacridine is carried out by the ethacridine amnion cavity injection labor induction device, after all devices are connected once, the amnion cavity injection operation of the ethacridine can be completed without changing the devices and puncturing back and forth, and the operation is simple, the efficiency is high, and the safety and the reliability are realized; the operation can be completed only by one injector in the whole operation process, and a standby injector is not needed, so that the use of standby medical substances is effectively reduced; meanwhile, the medical accidents that the syringe and the puncture needle are detached and connected for many times, the pollution is generated and the puncture needle is displaced are avoided effectively, and the safety of the operation is ensured.

Preferably, the ethacridine amniotic membrane cavity injection labor induction device of the utility model further comprises a detachable sealing connection with a protection cap on the opening of the upper end of the needle body. When the ethacridine is required to be injected, firstly, the protective cap is covered on the opening at the upper end of the needle body, so that the ethacridine in the injector enters the injection channel from the connecting part through the connecting pipe, and the ethacridine entering the injection channel enters the amniotic cavity from the opening at the lower end of the needle body, thereby completing the injection; by means of sealing and blocking the opening at the upper end of the needle body by the protective cap, ethacridine entering the injection channel can only flow out from the opening at the lower end of the needle body, and accidents that the ethacridine overflows from the opening at the upper end of the needle body and air enters are avoided; simultaneously, impurities in the air and the like are prevented from entering the injection channel; ensures the safe and normal operation.

Preferably, the utility model discloses an ethacridine amnion chamber pours into induced labor device still includes and connects the cap, the one end of connecting pipe and the one end intercommunication of being connected the cap, the other end detachable sealed cowling of connecting the cap in on the connecting portion, the connecting pipe borrow by connect the cap with the sealed intercommunication of injection channel. The utility model discloses borrow by connecting the cap and make connecting pipe and connecting portion can realize quick effectual sealing connection and dismantlement process, simplify the operation, provide work efficiency.

Preferably, the utility model discloses an ethacridine amniotic cavity pours into induced labor device the connecting pipe is flexible structure. Borrow by the connecting pipe of flexible construction for can adjust the position of syringe according to actual environment's demand in the operation process, and can not influence the needle sheath and take place to rock and the displacement.

The injector of the ethacridine amniotic membrane cavity injection labor induction device of the utility model is of a glass structure; the syringe adopting the glass structure can further improve the safety and the nontoxicity.

The utility model discloses an injection syringe and the third of ethacridine amniotic membrane chamber injection induced labor device are connected by the screw thread. The threaded connection is used, so that the connection and the disassembly are convenient.

Preferably, the utility model discloses a connection portion that ethacridine amnion chamber pours into induced labor device are horizontal protruding stretching the portion of gripping. The connecting part transversely protrudes from the holding part, and is convenient to be in sealed butt joint with the connecting pipe.

Drawings

Fig. 1 is a schematic structural diagram of the ethacridine amnion cavity injection induced labor device of the utility model.

Fig. 2 is a structural schematic diagram of the needle sheath of the ethacridine amniocentum cavity injection induced labor device of the utility model.

Fig. 3 is a cross-sectional view of the needle sheath of the ethacridine amnion cavity injection labor induction device of the utility model.

Fig. 4 is a schematic structural diagram of the needle core of the ethacridine amnion cavity injection induced labor device of the utility model.

Fig. 5 is a schematic structural diagram of the connection of the tee joint, the connecting pipe, the vacuum bottle and the injector of the ethacridine amnion cavity injection labor induction device of the utility model.

Figure 6 is the amniotic fluid flow schematic diagram of the injection channel, the connecting pipe, the first joint, the second joint and the vacuum bottle of the ethacridine amniotic cavity injection labor inducing device of the utility model.

Fig. 7 is a schematic diagram showing the flow of ethacridine injection through the injection channel, the connecting pipe, the first joint, the third joint and the injector of the ethacridine amnion cavity injection labor induction device of the utility model.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like reference numerals represent like elements throughout.

As shown in fig. 1-5, the ethacridine amniotic membrane cavity injection labor induction device 100 of the present invention comprises a needle sheath 1, a needle core 2, a three-way joint 3, a connecting tube 4, a vacuum bottle 5 and a syringe 6, wherein the needle sheath 1 comprises a needle body 11 for puncture and a holding part 12 for convenient holding, the needle body 11 is a hollow penetrating structure along the length direction, the hollow penetrating structure forms an injection channel 13, and an opening 14 at the lower end of the needle body 11 is a tip structure of an inclined plane; the grip portion 12 is fixed on the upper end of the needle body 11 to facilitate gripping, and a connection portion 15 communicating with the injection channel 13 of the needle body 11 is protruded from the grip portion 12. The utility model discloses a nook closing member 2 is solid construction, and this nook closing member 2 is the insertible injection channel 13 that inserts the pin sheath 1 that agrees with, and agrees with here is understood as the two appearance profile and matches unanimously each other, the size is equivalent, has filled injection channel 13 promptly after nook closing member 2 inserts injection channel 13 promptly. The three-way joint 3 of the utility model is used for providing a passage from the injection channel 13 to the vacuum bottle 5 and a passage from the injection channel 13 to the injector 6, and the two passages can not be communicated simultaneously by the action of the three-way joint 3; specifically, the three-way joint 3 includes an adjusting switch 31 and a first joint 32, a second joint 33 and a third joint 34 which are controlled by the adjusting switch 31 to be communicated or not, by rotating the adjusting switch 31, any two joints of the first joint 32, the second joint 33 and the third joint 34 can be controlled to be communicated to close the rest one joint, if the first joint 32 is communicated with the second joint 33, the third joint 34 is closed; if the first joint 32 and the third joint 34 are communicated, the second joint 33 is closed; if the second joint 33 and the third joint 34 are connected, the first joint 32 is closed. The utility model discloses an one end and the first joint 32 intercommunication of connecting pipe 4, the other end and the 15 butt joint of connecting portion of this connecting pipe 4 are sealed to be communicate to make connecting pipe 4 and injection passage 13 communicate. The vacuum bottle 5 of the utility model is communicated with the second joint 33; the syringe 6 communicates with the third connector 34. When the utility model is used, the stylet 2 is firstly inserted into the injection channel 13 of the needle sheath 1 matched with the stylet and fixed; then, under the ultrasonic guidance, the needle sheath 1 with the needle core 2 inside is punctured into the amniotic cavity 200; after the needle is punctured into the amniotic cavity 200, the needle core 2 is pulled out, the opening at the upper end of the needle body 11 is sealed, and the needle sheath 1 is reserved; by rotating the adjusting switch 31, the injection channel 13, the connecting tube 4, the first connector 32, the second connector 33 and the vacuum bottle 5 are communicated, and the third connector 34 is closed, at this time, if the needle sheath 1 is punctured in the amniotic cavity 200, amniotic fluid is sucked into the vacuum bottle under the action of negative pressure, and the flow schematic diagram of the amniotic fluid sucked into the vacuum bottle 5 from the amniotic cavity 200 under the action of negative pressure is shown in an arrow in fig. 6, so that the fact that the needle sheath 1 is located in the amniotic cavity 200 can be quickly, accurately and effectively determined. After the needle sheath 1 is positioned in the amniotic cavity 200, injecting ethacridine with required dosage into the injector 6, and communicating the injector 6 with the ethacridine with the third joint 34; then, the injection channel 13, the connecting tube 4, the first connector 32, the third connector 34 and the syringe 6 are communicated by rotating the adjusting switch 31, the second connector 33 is closed, at this time, the handle 61 of the syringe 6 is pushed, so that the ethacridine in the syringe 6 sequentially passes through the third connector 34, the first connector 32 and the connecting tube 4 to enter the injection channel 13, and finally the ethacridine entering the injection channel 13 is injected into the amniotic membrane cavity 200 from the opening 14 of the tip structure at the lower end of the needle body 11, thereby completing the injection of the drug, and the flow schematic diagram of the ethacridine injected into the amniotic membrane cavity 200 from the syringe 6 is shown in an arrow in fig. 7 in detail. After the injection is completed, the needle core 2 is completely inserted into the injection channel 13, and then the needle sheath 1 with the needle core 2 inside is pulled out together, the puncture point is disinfected, the dressing is covered, and the operation is completed. Therefore, when the ethacridine amniotic membrane cavity injection induced labor device 100 is used for the ethacridine amniotic membrane cavity injection operation, all devices are connected at one time, the ethacridine amniotic membrane cavity injection operation can be completed without changing the devices and puncturing back and forth, and the operation is simple, the efficiency is high, and the safety and the reliability are realized; the operation can be completed only by one injector 6 in the whole operation process, and a standby injector is not needed, so that the use of standby medical substances is effectively reduced; meanwhile, the occurrence of pollution and medical accidents causing the displacement of the puncture needle caused by the repeated disassembly and connection of the injector 6 and the puncture needle is effectively avoided, and the safety of the operation is ensured. The following description will be made in further detail with reference to fig. 1-7 for the following description of the present invention:

as shown in fig. 1-3 and 5-7, the ethacridine amniocentum injection labor-inducing device 100 of the present invention preferably further comprises a detachable protective cap 7 hermetically connected to the opening at the upper end of the needle body 11. When the ethacridine needs to be injected, firstly, the protective cap 7 is covered on the opening at the upper end of the needle body 11, so that the ethacridine in the injector 6 enters the injection channel 13 from the connecting part 15 through the connecting pipe 4, and the ethacridine entering the injection channel 13 enters the amniotic cavity 200 from the opening 14 at the lower end of the needle body 11, thereby completing the injection; the utility model discloses a protection cap 7 adopts medical grade elasticity plastic material, can carry out effectual sealing, can conveniently dismantle again and connect. The utility model can lead ethacridine entering the injection channel 13 to only flow out from the opening 14 at the lower end of the needle body 11 by the sealing and blockage of the protective cap 7 on the opening at the upper end of the needle body 11, thereby avoiding the accidents of the overflow of the ethacridine from the opening at the upper end of the needle body 11 and the air entering; meanwhile, impurities in the air and the like are prevented from entering the injection channel 13; ensures the safe and normal operation.

As shown in fig. 1-3 and 5-7, preferably, the ethacridine amniocentum cavity injection labor-inducing device 100 of the present invention further comprises a connecting cap 8, one end of the connecting tube 4 is communicated with one end of the connecting cap 8, the other end of the connecting cap 8 is detachably covered on the connecting portion 15 in a sealing manner, and the connecting tube 4 is in sealing communication with the injection channel 13 via the connecting cap 8; the utility model discloses a connect cap 8 adopts medical level elasticity plastic material, can carry out effectual sealing, can conveniently dismantle again and connect. The utility model discloses borrow and borrow by connecting cap 8 and make connecting pipe 4 and connecting portion 15 can realize quick effectual sealing connection and dismantlement process, simplify the operation, provide work efficiency.

Preferably, the connecting pipe 4 of the ethacridine amniocentum injection induced labor device 100 of the present invention is a flexible structure; by means of the connecting pipe 4 with a flexible structure, the position of the injector 6 can be adjusted according to the requirements of the actual environment in the operation process, and the needle sheath 1 can not be influenced to shake and displace. The injector 6 of the ethacridine amniotic membrane cavity injection labor induction device 100 of the utility model is of a glass structure; the syringe adopting the glass structure can further improve the safety and the nontoxicity. The injector 6 and the third joint 34 of the ethacridine amnion cavity injection induced labor device 100 of the utility model are connected by screw threads; the threaded connection is used, so that the connection and the disassembly are convenient.

As shown in fig. 1-3, preferably, the connecting portion 15 of the ethacridine amnion cavity injection labor-inducing device 100 of the present invention is a transversely protruding holding portion 12. The connecting portion 15 protrudes laterally from the grip portion 12 to facilitate sealing engagement with the connecting tube 4.

Referring to fig. 1-7, when the amnion cavity injection induced labor device 100 of ethacridine is used for the amnion cavity injection operation of ethacridine, the devices are connected according to the connection mode shown in fig. 1; through rotating the regulating switch 31, the injection channel 13, the connecting pipe 4, the first joint 32, the second joint 33 and the vacuum bottle 5 are communicated, and the third joint 34 is closed, at the moment, if the needle sheath 1 is punctured in the amniotic cavity 200, amniotic fluid is sucked into the vacuum bottle 5 under the action of negative pressure, so that the puncture position of the needle sheath 1 is confirmed, and the needle sheath 1 can be quickly, accurately and effectively determined to be located in the amniotic cavity 200. After the needle sheath 1 is positioned in the amniotic cavity 200, injecting ethacridine with required dosage into the injector 6, and communicating the injector 6 with the ethacridine with the third joint 34; then, the injection channel 13, the connecting pipe 4, the first joint 32, the third joint 34 and the injector 6 are communicated by rotating the adjusting switch 31, the second joint 33 is closed, at the same time, the handle 61 of the injector 6 is pushed, so that ethacridine in the injector 6 sequentially passes through the third joint 34, the first joint 32 and the connecting pipe 4 to enter the injection channel 13, and finally the ethacridine entering the injection channel 13 is injected into the amniotic membrane cavity 200 from the opening 14 of the tip structure at the lower end of the needle body 11, thereby completing the drug injection. Therefore, after all devices are connected at one time, the amnion cavity injection operation of the ethacridine can be completed without replacing the devices and puncturing back and forth, and the operation is simple, the efficiency is high, and the safety and the reliability are high; the operation can be completed only by one injector 6 in the whole operation process, and a standby injector is not needed, so that the use of standby medical substances is effectively reduced; meanwhile, the medical accidents that the syringe 6 and the puncture needle are detached and connected for many times, the pollution is caused, and the displacement of the puncture needle is caused are avoided effectively, and the safety of the operation is ensured.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. The utility model provides an ethacridine amniotic membrane cavity pours into induced labor device which characterized in that includes:

the needle sheath comprises a needle body and a holding part, the needle body is of a hollow penetrating structure along the length direction, the hollow penetrating structure forms an injection channel, an opening at the lower end of the needle body is of an inclined-plane tip structure, the holding part is sleeved and fixed at the upper end of the needle body, and a connecting part communicated with the injection channel is further protruded out of the holding part;

the needle core is of a solid structure and can be inserted into the injection channel in a matched and pluggable manner;

the three-way joint comprises an adjusting switch, and a first joint, a second joint and a third joint which are controlled by the adjusting switch to be communicated or not;

one end of the connecting pipe is communicated with the first joint, and the other end of the connecting pipe is in butt joint and sealing communication with the connecting part, so that the connecting pipe is communicated with the injection channel;

a vacuum bottle in communication with the second joint; and

a syringe in communication with the third fitting.

2. The ethacridine amniotic cavity infusion induction device of claim 1, further comprising a removable protective cap sealingly attached to the opening at the upper end of the needle body.

3. The ethacridine amniocentum cavity injection labor-inducing device as claimed in claim 1, further comprising a connecting cap, wherein one end of the connecting tube is communicated with one end of the connecting cap, the other end of the connecting cap is detachably and hermetically covered on the connecting portion, and the connecting tube is hermetically communicated with the injection channel through the connecting cap.

4. The ethacridine amniocentesis device of claim 1, wherein the connecting tube is of a flexible structure.

5. The ethacridine amniocentesis device of claim 1, wherein the syringe is of a glass construction.

6. The ethacridine amniocentesis device of claim 1, wherein the syringe and the third connector are connected by a screw thread.

7. The ethacridine amniocentesis device of claim 1, wherein the connecting portion protrudes laterally beyond the gripping portion.