阅读说明：本技术 一种试管婴儿取卵装置 (Test tube baby gets ovum device ) 是由 吴佩蔚 陈建玲 王琳 黄亚哲 张帅 李莹 姚冠颖 胡旭 韩中将 侯小漫 田成成 于 2021-08-25 设计创作，主要内容包括：本发明公开一种试管婴儿取卵装置,包括取卵针、卵子刮取器和针头定位器。取卵针包括针管和穿刺针头,针管的后端通过负压管连接负压吸取装置；卵子刮取器设置于针管内,包括刮取头、固定于针管内部的导杆以及滑动套设于导杆外部的调节杆；穿刺针头的侧壁开设有通孔,当穿刺针头刺入卵巢后,拧紧调节座使任意一根刮取丝均伸出通孔外并沿调节杆的径向撑开,以形成球状刮取头；针头定位器包括用于插入阴道的扩阴板,扩阴板的侧壁开设有穿针定位孔。通过通过针头定位器可以有效降低取卵过程中取卵针穿刺阴道壁时对阴道的误伤,提高穿刺定位精度,以降低患者的痛苦；卵子刮取器能够提高卵子的提取效率,实用性强。(The invention discloses a test tube infant ovum taking device which comprises an ovum taking needle, an ovum scraper and a needle head positioner. The ovum taking needle comprises a needle tube and a puncture needle head, and the rear end of the needle tube is connected with a negative pressure suction device through a negative pressure tube; the ovum scraper is arranged in the needle tube and comprises a scraping head, a guide rod fixed in the needle tube and an adjusting rod sleeved outside the guide rod in a sliding way; the side wall of the puncture needle head is provided with a through hole, and after the puncture needle head penetrates into the ovary, the adjusting seat is screwed down to ensure that any scraping wire extends out of the through hole and is spread along the radial direction of the adjusting rod to form a spherical scraping head; the needle head positioner comprises a vaginal dilation plate for inserting into a vagina, and a needle threading positioning hole is formed in the side wall of the vaginal dilation plate. The needle head positioner can effectively reduce the accidental injury to the vagina when the ovum taking needle punctures the vaginal wall in the ovum taking process, improve the puncture positioning precision and reduce the pain of a patient; the ovum scraper can improve the extraction efficiency of the ovum and has strong practicability.)

1. A test tube infant ovum retrieval device, which is characterized by comprising:

the egg taking needle comprises a needle tube and a puncture needle head, the puncture needle head is connected to the front end of the needle tube, the rear end of the needle tube is connected with a negative pressure suction device through a negative pressure tube, and the negative pressure suction device is used for sucking and containing eggs;

the egg scraper is arranged in the needle tube and comprises a scraping head, a guide rod fixed inside the needle tube and an adjusting rod sleeved outside the guide rod in a sliding manner, the scraping head comprises a plurality of scraping wires, one end of any scraping wire is fixed at the front end of the guide rod, the other end of any scraping wire is connected to the front end of the adjusting rod, the rear end of the adjusting rod is connected with an adjusting seat, and an external thread is arranged on the adjusting seat and used for being in threaded connection with the rear end of the needle tube; the side wall of the puncture needle head is provided with a through hole, and after the puncture needle head penetrates into an ovary, the adjusting seat is screwed down to ensure that any one scraping wire extends out of the through hole and is spread along the radial direction of the adjusting rod so as to form a spherical scraping head;

the needle head positioner comprises a vaginal dilation plate for inserting into a vagina, and a needle threading positioning hole is formed in the side wall of the vaginal dilation plate; the vaginal dilator is used for abutting against the side wall of the vagina, and the needle-threading positioning hole is adjusted to the position of the vaginal wall to be punctured before the ovum-taking needle punctures, so that the ovum-taking needle punctures.

2. The device for taking eggs from test-tube infants according to claim 1, wherein the inner wall of the vaginal-dilation plate is further provided with a foldable needle tube support frame, and the needle tube support frame is used for supporting the needle tube during the process of taking eggs.

3. The device for taking eggs from a test-tube infant as claimed in claim 1, wherein the negative pressure suction device comprises:

the ovum collecting pipe is sealed with a piston, and the rear end of the negative pressure pipe penetrates through the piston and extends into the ovum collecting pipe;

the negative pressure pump is connected with the ovum collecting pipe through a pressure guide pipe, and the pressure guide pipe penetrates through the piston and extends into the ovum collecting pipe.

4. The device for taking eggs from a test-tube infant as claimed in claim 1, wherein the outer wall of the vaginal dilation plate is provided with a scale.

5. The device for taking eggs from test-tube infants according to claim 1, wherein the internal wall of the vaginal-dilation plate is provided with a receiving groove for receiving the egg-taking needle.

6. The device for taking eggs from a test-tube infant as claimed in claim 1, wherein the front end of the negative pressure tube is communicated with the inside of the needle tube through the adjusting seat.

7. The test-tube infant ovum taking device according to claim 1, further comprising a positive pressure cleaning device, wherein the positive pressure cleaning device comprises a cleaning pipeline, a cleaning solution storage pipe and a micro water pump, the cleaning solution storage pipe is used for containing cleaning solution, a three-way valve is arranged on the needle tube, one inlet of the three-way valve is connected with one end of the cleaning pipeline, the other end of the cleaning pipeline is connected with the cleaning solution storage pipe, and the micro water pump is arranged on the cleaning pipeline so as to pump the cleaning solution in the cleaning solution storage pipe into the ovum taking needle.

8. The device for taking eggs from a test-tube infant as claimed in claim 1, wherein the needle tube is provided with a handle.

9. The device for taking eggs from test-tube infants according to claim 1, wherein the scraping head comprises 4 scraping wires, and the 4 scraping wires are uniformly distributed along the circumferential direction of the adjusting rod; the side wall of the puncture needle head is evenly provided with 4 through holes along the circumferential direction.

Technical Field

The invention belongs to the field of medical instruments, relates to an egg taking device, and particularly relates to a test tube infant egg taking device.

Background

With the rapid development of the assisted reproduction technology, the technology of the test tube baby is more and more favored by a plurality of infertile couples by means of high-end technical guarantee and rigorous scientific procedures, but the increasing demand puts higher requirements on the operation of the ovum taking operation. The current common method is to use a disposable ovum taking needle to take ovum through vaginal puncture under the guidance of ultrasonic wave. However, the vagina is narrow and long, and in order to ensure the activity of the ovum after being taken out, the whole ovum taking process ensures that the ovum is not exposed to light, so illumination cannot be adopted in the vagina, and under the narrow and dark operating environment, even if the auxiliary action of ultrasonic waves or colposcopy is provided, the accidental injury to the vaginal wall in the process of the ovum taking needle entering the vagina or puncturing the vagina cannot be avoided. Especially, when the vagina is punctured, the pain of the patient is increased easily because the needle head of the puncture needle is sharp and the puncture needle is groped. Therefore, the accidental injury to the vagina when the ovum taking needle punctures the vaginal wall in the ovum taking process needs to be reduced, and the puncture positioning precision is improved, so that the pain of a patient is reduced.

Disclosure of Invention

The invention aims to provide a test tube infant ovum taking device, which is used for reducing the accidental injury to the vagina when an ovum taking needle penetrates through the vaginal wall in the ovum taking process, improving the puncture positioning precision and reducing the pain of a patient.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a test tube infant ovum taking device, which mainly comprises:

the egg taking needle comprises a needle tube and a puncture needle head, the puncture needle head is connected to the front end of the needle tube, the rear end of the needle tube is connected with a negative pressure suction device through a negative pressure tube, and the negative pressure suction device is used for sucking and containing eggs;

the egg scraper is arranged in the needle tube and comprises a scraping head, a guide rod fixed inside the needle tube and an adjusting rod sleeved outside the guide rod in a sliding manner, the scraping head comprises a plurality of scraping wires, one end of any scraping wire is fixed at the front end of the guide rod, the other end of any scraping wire is connected to the front end of the adjusting rod, the rear end of the adjusting rod is connected with an adjusting seat, and an external thread is arranged on the adjusting seat and used for being in threaded connection with the rear end of the needle tube; the side wall of the puncture needle head is provided with a through hole, and after the puncture needle head penetrates into an ovary, the adjusting seat is screwed down to ensure that any one scraping wire extends out of the through hole and is spread along the radial direction of the adjusting rod so as to form a spherical scraping head;

the needle head positioner comprises a vaginal dilation plate for inserting into a vagina, and a needle threading positioning hole is formed in the side wall of the vaginal dilation plate; the vaginal dilator is used for abutting against the side wall of the vagina, and the needle-threading positioning hole is adjusted to the position of the vaginal wall to be pierced before the ovum-taking needle is pierced, so that the ovum-taking needle is pierced.

Optionally, the inner wall of the vaginal dilation plate is further provided with a foldable needle tube support frame, and the needle tube support frame is used for supporting the needle tube in the ovum taking process.

Optionally, the negative pressure suction device comprises:

the ovum collecting pipe is sealed with a piston, and the rear end of the negative pressure pipe penetrates through the piston and extends into the ovum collecting pipe;

the negative pressure pump is connected with the ovum collecting pipe through a pressure guide pipe, and the pressure guide pipe penetrates through the piston and extends into the ovum collecting pipe.

Optionally, the outer wall of the vaginal dilation plate is provided with scales.

Optionally, the inner wall of the vaginal dilation plate is provided with a storage groove for storing the ovum taking needle.

Optionally, the front end of the negative pressure tube penetrates through the adjusting seat and is communicated with the inside of the needle tube.

Optionally, still include malleation cleaning equipment, malleation cleaning equipment is including wasing pipeline, washing liquid storage tube and micro-water pump, be used for holding the washing liquid in the washing liquid storage tube, be provided with the three-way valve on the needle tubing, an entry of three-way valve with the one end of wasing the pipeline is connected, the other end of wasing the pipeline is connected the washing liquid storage tube, set up on the washing pipeline micro-water pump, in order to incite somebody to action washing liquid pump in the washing liquid storage tube is gone into in getting the ovum needle.

Optionally, a handle is arranged on the needle tube.

Optionally, the scraping head comprises 4 scraping wires, and the 4 scraping wires are uniformly distributed along the circumferential direction of the adjusting rod; the side wall of the puncture needle head is evenly provided with 4 through holes along the circumferential direction.

Optionally, a handle is arranged at the end of the vaginal dilation plate, and an included angle of 90-180 degrees is formed between the handle and the vaginal dilation plate.

Compared with the prior art, the invention has the following technical effects:

the test tube infant ovum taking device provided by the invention has the advantages of reasonable structure and simplicity in operation, the needle head positioner is arranged, the needle penetrating positioning hole can be adjusted to the position to be punctured of the vaginal wall before the ovum taking needle is punctured for the ovum taking needle to puncture, the effects of expanding the vagina and expanding the operation space can be achieved, the ovum taking needle can be prevented from scratching or pricking the vaginal wall in the process of entering the vagina, the puncturing needle head of the ovum taking needle can be tightly attached to the inner wall of the vagina expanding plate to slide in the specific operation process, the needle head starts to contact the vaginal wall when sliding to the needle penetrating positioning hole, and puncturing is performed on the vaginal wall exposed at the needle penetrating positioning hole. The needle head positioner can effectively reduce the accidental injury to the vagina when the ovum taking needle punctures the vaginal wall in the ovum taking process, improve the puncture positioning precision and reduce the pain of patients.

Meanwhile, the ovum scraper is arranged in the ovum taking needle of the test tube infant ovum taking device, so that liquid in the ovum bubbles can be scraped in the ovum follicles after the negative pressure suction device sucks the liquid, and the negative pressure suction device is started to adsorb the liquid at the same time, so that the ovum in the ovum bubbles is completely taken out, and the ovum taking efficiency is improved. Moreover, the ovum curettage device is completely contained in the ovum needle of getting in the puncture stage, struts it again when needing scratching the ovum, and the structure is exquisite, and is easy and simple to handle, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a test-tube infant ovum pickup device disclosed in the embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a puncture needle head of the ovum retrieval needle disclosed by the embodiment of the invention;

FIG. 3 is a schematic view of the operation of the ovum scraper disclosed in the embodiment of the present invention;

FIG. 4 is a schematic structural view of a scraping head of the ovum scraper disclosed in the embodiment of the invention;

FIG. 5 is a schematic view of the overall structure of the ovum scraper disclosed in the embodiment of the present invention;

FIG. 6 is a schematic view of a needle retainer according to an embodiment of the present invention;

FIG. 7 is a rear view of the needle retainer disclosed in the present embodiment;

wherein the reference numerals are:

1. taking an ovum needle; 1-1, needle tube; 1-2, a puncture needle head; 1-2-1, through holes;

2. an ovum scraper; 2-1, scraping the head; 2-1-1, scraping the filaments; 2-2, a guide rod; 2-3, adjusting a rod; 2-4, an adjusting seat;

3. a needle locator; 3-1, a shadow expanding plate; 3-2, threading a needle positioning hole; 3-3, a needle tube support frame; 3-4, a handle;

4. an ovum collecting tube; 5. a piston; 6. a negative pressure tube; 7. a negative pressure pump; 8. a pressure guide pipe; 9. cleaning a pipeline; 10. a cleaning solution storage tube; 11. a micro water pump; 12. a three-way valve; 13. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide a test tube infant ovum taking device, which is used for reducing the accidental injury to the vagina when an ovum taking needle punctures the vaginal wall in the ovum taking process, improving the puncture positioning precision and reducing the pain of a patient.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

The first embodiment is as follows:

as shown in figures 1-7, the present embodiment provides a test-tube infant ovum fetching device, which mainly comprises an ovum fetching needle 1, an ovum scraper 2 and a needle positioner 3. The ovum taking needle 1 comprises a needle tube 1-1 and a puncture needle head 1-2, the puncture needle head 1-2 is detachably connected with the front end of the needle tube 1-1, the rear end of the needle tube 1-1 is connected with a negative pressure suction device through a negative pressure tube 6, and the negative pressure suction device is used for sucking and containing ovum; the ovum scraper 2 is arranged in a needle tube 1-1 and comprises a scraping head 2-1, a guide rod 2-2 fixed in the needle tube 1-1 and an adjusting rod 2-3 sleeved outside the guide rod 2-2 in a sliding way, the scraping head 2-1 comprises a plurality of scraping wires 2-1-1, one end of any scraping wire 2-1-1 is fixed at the front end of the guide rod 2-2, the other end of any scraping wire 2-1-1 is connected with the front end of the adjusting rod 2-3, the rear end of the adjusting rod 2-3 is connected with an adjusting seat 2-4, the upper part of the adjusting seat 2-4 is provided with external threads for connecting with the rear end of the needle tube 1-1, the lower part of the adjusting seat 2-4 is provided with a step structure, when the adjusting seat 2-4 is screwed, the step structure is used for limiting the adjusting seat 2-4 and preventing the adjusting seat 2-4 from screwing into the needle tube 1-1 too deeply to be taken out; the adjusting seat 2-4 is used as the rear end cover of the needle tube 1-1 and is connected with the negative pressure suction device through a pipeline. The side wall of the puncture needle head 1-2 is provided with a through hole 1-2-1, when the puncture needle head 1-2 pierces the ovary, the adjusting seat 2-4 is screwed down to enable any scraping wire 2-1 to extend out of the corresponding through hole 1-2-1 and to be spread along the radial direction of the adjusting rod 2-3 so as to form a spherical scraping head 2-1 which is similar to a football, the scraping wire 2-1-1 is a cylindrical wire with a smooth surface, the strength is enough to scrape the ovum after being spread, the soft collapse is avoided, the overall outline surface of the scraping head 2-1 is smooth, and the ovary can be effectively prevented from being scratched. The needle head positioner 3 comprises a vaginal dilation plate 3-1 for inserting into a vagina, and a needle threading positioning hole 3-2 is formed in the side wall of the vaginal dilation plate 3-1; the vaginal dilator 3-1 is used for supporting the side wall of the vagina, and the needle-passing positioning hole 3-2 is adjusted to the position of the vaginal wall to be punctured before the ovum-taking needle 1 punctures, so as to be used for puncturing the ovum-taking needle 1.

In the embodiment, as shown in fig. 6-7, the inner wall of the vaginal dilator 3-1 is further provided with a foldable needle tube support 3-3, the needle tube support 3-3 is V-shaped as a whole, one end of the needle tube support frame is hinged with the inner wall of the vaginal expansion plate 3-1, when the needle tube support frame is not used, the needle tube support frame 3-3 is contracted and attached to the inner wall of the vaginal expansion plate 3-1, in the egg taking process, in order to avoid shaking of the handheld egg taking needle, the needle tube support frame 3-3 can be unfolded, the needle tube 1-1 is placed in the V groove of the needle tube support frame 3-3 to prevent the needle tube from rolling around, the needle tube support frame 3-3 can provide effective support for the needle tube 1-1, both hands can be liberated, and the phenomenon that the needle tube 1-1 shakes excessively in the puncture process to influence the egg taking effect can be avoided.

In this embodiment, as shown in fig. 1, the negative pressure suction device includes an ovum collecting tube 4 and a negative pressure pump 7, the ovum collecting tube 4 is made of non-transparent material, which can prevent the ovum from being exposed to light, a piston 5 is sealed thereon, and the rear end of a negative pressure tube 6 penetrates through the piston 5 and extends into the ovum collecting tube 4; the negative pressure pump 7 is connected with the ovum collecting pipe 4 through a pressure guide pipe 8, and the pressure guide pipe 8 penetrates through the piston 5 and extends into the ovum collecting pipe 4. The negative pressure pump 7 is started, negative pressure is transmitted into the ovum collecting pipe 4 which is relatively sealed through the pressure guide pipe 8, and then negative pressure is generated in the ovum collecting pipe 4 so as to suck the ovum through the through hole 1-2-1 of the puncture needle head 1-2 and temporarily store the ovum in the ovum collecting pipe 4.

In this embodiment, the outer wall of the vaginal dilator 3-1 may be provided with graduations. The depth of the vagina and the position of the ovary relative to the vagina of different patients can be checked in advance through B ultrasonic and the like to find the specific condition of the patients, and then the specific puncture point of the vagina is determined according to the specific position of the vagina and the ovary of the patients.

In this embodiment, a receiving groove for receiving the ovum-taking needle 1 can be further provided on the inner wall of the vaginal-dilator plate 3-1

In this embodiment, as shown in fig. 1, the positive pressure cleaning apparatus further includes a cleaning pipeline 9, a cleaning solution storage pipe 10 and a micro water pump 11, the cleaning solution storage pipe 10 is used for containing a cleaning solution, a three-way valve 12 is arranged on the needle tube 1-1, an inlet of the three-way valve 12 is connected with one end of the cleaning pipeline 9, the other end of the cleaning pipeline 9 is connected with the cleaning solution storage pipe 10, and the micro water pump 11 is arranged on the cleaning pipeline 9, so that the cleaning solution in the cleaning solution storage pipe 10 is pumped into the ovum taking needle 1 to wash the inside of the ovum taking needle 1, thereby preventing blockage.

In this embodiment, as shown in FIG. 1, a handle 13 is provided on the needle tube 1-1.

In the embodiment, as shown in fig. 1, the scraping head 2-1 comprises 4 scraping wires 2-1-1, and the 4 scraping wires 2-1-1 are uniformly distributed along the circumferential direction of the adjusting rod 2-3; the side wall of the puncture needle head 1-2 is evenly provided with 4 strip-shaped through holes 1-2-1 along the circumferential direction.

In the embodiment, as shown in fig. 6-7, the end of the vaginal dilation plate 3-1 is provided with a handle 3-4, the handle 3-4 and the vaginal dilation plate 3-1 are integrally formed, and an included angle of 90-180 degrees is formed between the handle 3-4 and the vaginal dilation plate, so that the vaginal dilation plate is convenient to hold by hand and exert an expansion force on the vagina.

In a specific operation, the vaginal puncture point of a patient is first determined. Then the vaginal dilation plate 3-1 is inserted into the vaginal tract of a patient and is propped open, and the needle threading positioning hole 3-2 is adjusted to the puncture point. And then sliding a puncture needle head 1-2 of the ovum taking needle 1 to be clung to the inner wall of the vagina expansion plate 3-1, starting to contact with the vaginal wall when the needle head slides to the needle threading positioning hole 3-2, puncturing the exposed vaginal wall at the needle threading positioning hole 3-2, continuously applying force until the puncture needle head 1-2 is punctured into a certain ovum bubble of the ovary, and assisting the traditional ovum taking auxiliary equipment such as a laser probe or a B-ultrasonic probe in the puncturing process. In the process, the negative pressure suction device is not started, and the adjusting seat 2-4 is positioned at the rear end of the handle 1-3, so that the adjusting seat 2-4 is connected with the needle tube 1-1 but is not screwed down, the puncture of the needle head is not hindered, and the scraping head 2-1 is completely folded in the puncture needle head 1-2 at the moment. Then, firstly, the adjusting seat 2-4 is adjusted to enable the scraping head 2-1 to be spread, so that the follicle is spread, then the negative pressure suction device is started to suck the ovum, after the liquid in the follicle is sucked dry, the slightly-rotated scraping head 2-1 can be used for scraping the inner wall of the follicle, so that the ovum in the follicle can be completely taken away, and the ovum taking efficiency is improved; in the process, the negative pressure suction device is kept open so as to timely absorb the ovum scraped by the scraping head 2-1 into the ovum collecting tube 4. After the ovum is completely sucked, the negative pressure suction device is closed, and the positive pressure cleaning equipment can be started as required to wash the inner wall of the ovum taking needle 1 to prevent blockage.

Therefore, the test tube baby that this embodiment provided gets the ovum device, and is rational in infrastructure, and easy operation, through setting up the syringe needle locator, can adjust to the puncture position department of treating of vagina wall the puncture locating hole of will wearing before getting the ovum needle puncture, be used for getting the ovum needle puncture, can enough play the vagina expansion, enlarge operating space's effect, can avoid getting the ovum needle again and cause fish tail or puncture to the vagina wall at the in-process that gets into the vagina, can hug closely the inner wall slip of expanding the vulva board with the puncture syringe needle of getting the ovum needle during specific operation, just begin the vagina contact wall when the syringe needle slips to puncture locating hole department, and puncture on the vagina wall that exposes at puncture locating hole department. The needle head positioner can effectively reduce the accidental injury to the vagina when the ovum taking needle punctures the vaginal wall in the ovum taking process, and improve the puncture positioning precision so as to reduce the pain of patients.

Meanwhile, the ovum scraper is arranged in the ovum taking needle of the test tube infant ovum taking device, liquid in the ovum bubble can be sucked dry by the negative pressure suction device and scraped in the ovum follicle, and the negative pressure suction device is started to adsorb at the same time, so that the ovum in the ovum bubble is completely taken out, and the ovum taking efficiency is improved. Moreover, the ovum scraper is completely contained in the ovum taking needle in the puncture stage, and is spread when scratching the ovum, so that the structure is exquisite, the operation is simple and convenient, and the practicability is strong.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; also, it is obvious to those skilled in the art that various changes and modifications can be made in the embodiments and applications of the invention. In view of the above, the present disclosure should not be construed as limiting the invention.