CN212913477U

CN212913477U - Conduit for animal embryo transplantation and animal embryo transplantation device

Info

Publication number: CN212913477U
Application number: CN202020496360.6U
Authority: CN
Inventors: 董国庆; 曾申明
Original assignee: Beijing Fanxing Guangdian Medical Treatment Equipment Co ltd
Current assignee: Beijing Fanxing Guangdian Medical Treatment Equipment Co ltd
Priority date: 2020-03-27
Filing date: 2020-04-07
Publication date: 2021-04-09
Anticipated expiration: 2030-04-07

Abstract

The embodiment of the utility model discloses animal embryo is pipe and animal embryo transfer ware for transplantation relates to animal embryo transfer technical field, for make the embryo transfer process directly perceived visual, improve embryo transfer's success rate and invent. A catheter for animal embryo transfer, comprising: the endoscope comprises a tube body, wherein a first channel for conveying embryos and a second channel for accommodating an endoscope are arranged in the tube body, and the first channel and the second channel are isolated from each other and are respectively opened at a first end of the tube body; the endoscope may be withdrawn from the second channel. The utility model is suitable for an animal embryo transplantation.

Description

Conduit for animal embryo transplantation and animal embryo transplantation device

Technical Field

The utility model relates to an animal embryo transplantation technical field especially relates to a pipe and animal embryo transfer ware for animal embryo transfer.

Background

Embryo transfer is a technique in which an early embryo at a certain development stage is transferred into the reproductive tract of a dam of the same species corresponding to the development stage thereof, and the embryo is allowed to conceive and produce offspring. The import and export of the embryo are the most economic and safest means in the international trade of the germplasm resources of livestock, and the embryo transplantation is also the main method for the propagation of the improved breed of the livestock and the cultivation of the new breed. The total number of embryo transplantation of livestock is about 1000 million every year.

At present, embryo transplantation of large animals such as cattle, horses and the like is mostly carried out by a non-operative method. The embryo is loaded into the artificial fertilization tube, and the loaded embryo is injected through the cervix. The embryo transplantation mode is carried out by experience and hand feeling, and visual operation cannot be carried out. Therefore, the tire receiving rates after operation by different technicians vary greatly.

Disclosure of Invention

In view of this, the embodiment of the present invention provides a catheter for animal embryo transplantation and an animal embryo transplantation device, which are convenient for making the embryo transplantation process visual and visual, improving the success rate of embryo transplantation and having low cost.

In a first aspect, an embodiment of the present invention provides a catheter for animal embryo transfer, including: the endoscope comprises a tube body, wherein a first channel for conveying embryos and a second channel for accommodating an endoscope are arranged in the tube body, and the first channel and the second channel are isolated from each other and are respectively opened at a first end of the tube body; the endoscope may be withdrawn from the second channel.

Optionally, a step hole is formed in the opening of the second channel at the first end of the tube, and a transparent stopper is arranged in the step hole.

Optionally, the pipe body is a straight pipe.

Optionally, a handle is connected to the second end of the tube, and the first channel and the second channel extend through the handle and are respectively opened at an end of the handle far away from the tube.

Optionally, the handle is provided with an endoscope positioning slot.

Optionally, the endoscope positioning groove comprises a first groove and a second groove, the first groove is formed along the axial direction of the handle and deviated from the axis of the handle, and penetrates through the side wall of the handle; the second groove is communicated with the first groove and extends along the circumferential direction of the handle.

Optionally, the second groove gradually deviates from the end of the handle far away from the pipe body from the position where the second groove is communicated with the first groove in the extension direction of the handle circumference.

Optionally, the length of the pipe body is 5cm-30cm, and the outer diameter is 0.5cm-3 cm.

In a second aspect, the embodiment of the present invention further provides an animal embryo transfer device, including a catheter and an endoscope, wherein the catheter is the catheter for animal embryo transfer described in any one of the foregoing embodiments; the endoscope is arranged in the second channel in a penetrating mode.

Optionally, the first end of the tube body is provided with the step hole inside the opening of the second channel, and when a transparent stopper is arranged in the step hole, the end of the endoscope where the image sensor is installed is adjacent to the transparent stopper.

Optionally, the endoscope comprises: the endoscope comprises an endoscope tube body, an image sensor and a control unit, wherein the image sensor is arranged at a first end of the endoscope tube body; the second end of the endoscope tube body is connected with an endoscope handle, and a positioning bulge is arranged on the endoscope handle; when the handle of the catheter for animal embryo transplantation is provided with the endoscope positioning groove, the positioning bulge on the endoscope handle is clamped in the endoscope positioning groove.

The embodiment of the utility model provides a pipe and animal embryo transfer ware for animal embryo transfer, second passageway in the body provides the holding passageway for the endoscope. The endoscope is insertable into the second channel and is also extractable from the second channel separately from the catheter. When embryo transplantation is carried out, the endoscope can be inserted into the second channel in advance and extends into the uterine cavity of the animal along with the first end of the tube body, so that the animal embryo can be visually operated in the uterine cavity of the animal, and the success rate of the embryo transplantation of the animal is improved. In addition, the endoscope can be drawn out from the second channel, and can be repeatedly used for a plurality of times even when the catheter is a disposable catheter, so that the cost is saved.

Drawings

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

FIG. 1 is a perspective view of a catheter for animal embryo transfer according to an embodiment of the present invention;

FIG. 2 is a left side view of the catheter for embryo transfer shown in FIG. 1;

FIG. 3 is a right side view of the catheter for embryo transfer shown in FIG. 1;

FIG. 4 is a side view of the catheter for embryo transfer shown in FIG. 1;

FIG. 5 is another side view of the catheter for embryo transfer shown in FIG. 1.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the utility model provides a pipe for animal embryo transfer can be used to the embryo transfer of large-scale animals such as ox, horse, donkey, also can be used to the embryo transfer of medium-sized animals such as pig, sheep, dog, panda, still can be used to the embryo transfer of small-size animals such as cat, rabbit, mouse.

Referring to fig. 1 to 3, a catheter 10 for animal embryo transfer according to an embodiment of the present invention may include: a tube body 12, wherein a first channel 14 for embryo conveying and a second channel 16 for accommodating an endoscope are arranged in the tube body 12, and the first channel 14 and the second channel 16 are isolated from each other and are respectively opened at a first end of the tube body 12; the endoscope (not shown) may be withdrawn from the second channel 16.

The tubular body 12 is an elongated tubular structure. Can be made of polyvinyl chloride, polyethylene, polypropylene or polystyrene material by injection molding process. Can be used for one time or used for many times after being disinfected.

The first end of the tube 12 is adapted for insertion into the uterine cavity of an animal to facilitate visual implantation of an animal embryo. The first channel 14 in the tube body 12 is an animal embryo conveying channel, a suction cup with an animal embryo adsorbed thereon and a uterine cavity of the animal through the first channel 14, or a culture solution with the animal embryo is pushed into the uterine cavity of the animal through the first channel 14 by a syringe.

A second channel 16 in the body 12 provides a receiving channel for the endoscope. The endoscope may also be an elongated tubular structure with an image sensor (e.g., a CMOS image sensor) at the end of the elongated tubular structure. The endoscope may be inserted into second channel 16 and may be withdrawn from second channel 16 separately from catheter 10. When embryo transplantation is carried out, the endoscope can be inserted into the second channel 16 in advance and extends into the uterine cavity of the animal along with the first end of the tube body 12, so that the animal embryo can be visually operated in the uterine cavity of the animal, and the success rate of embryo transplantation of the animal is improved.

In this embodiment, the first channel 14 and the second channel 16 are simultaneously disposed in the tube 12, so that when the tube 12 is inserted into the uterine cavity of an animal to provide a delivery channel for an animal embryo, the endoscope can be simultaneously guided to the uterine cavity of the animal, thereby avoiding inconvenience caused by separately inserting the endoscope outside the tube 12. The endoscope can be withdrawn from the second channel 16, and can be reused many times even when the catheter 10 is a disposable catheter 10, to save costs.

To provide effective protection against the endoscope during embryo transfer of an animal using the catheter 10, in one embodiment, the first end of the tubular body 12 is provided with a stepped hole 18 inside the opening of the second channel 16, and a transparent stopper (not shown) is disposed inside the stepped hole 18. The transparent stopper may be made of glass or transparent plastic, and the transparent stopper may be fixed in the stepped hole 18 by adhesive. The transparent stopper provides protection for the endoscope and prevents body fluids in the animal from contaminating the endoscope. Thus, even when the catheter 10 is a disposable catheter 10, the endoscope can be repeatedly used a plurality of times without being sterilized.

The tubular body 12 may be a straight tube. In other embodiments, the end of the tube 12 may also have an elbow to better accommodate the reproductive structures of the animal.

To facilitate manual operation, a handle 20 may be attached to the second end of the body 12, and the first and

second passageways

14, 16 extend through the handle 20 and open to the end of the handle 20 remote from the body 12.

Referring to fig. 1, 3-5, after the endoscope is inserted into the second channel 16, in order to facilitate the fixing of the endoscope, in an embodiment, an endoscope positioning slot 22 is formed on a handle 20, the second end of the endoscope tube is connected with an endoscope handle, and the endoscope handle is provided with a positioning protrusion; when the handle 20 of the animal embryo transfer catheter 10 is provided with the endoscope positioning groove 22, the positioning protrusion on the endoscope handle is engaged with the endoscope positioning groove 22, thereby fixing the endoscope to the tube body 12. The positioning projection can be columnar, and can also be sheet-shaped or plate-shaped.

In one example, the endoscope positioning slot 22 may include a first slot 221 and a second slot 222, wherein the first slot 221 is formed along the axial direction of the handle 20, is deviated from the axial center of the handle 20, and penetrates through the side wall of the handle 20; the second groove 222 communicates with the first groove 221 and extends in the circumferential direction of the handle 20. When the endoscope is positioned, the positioning protrusion on the handle of the endoscope is clamped into the first groove 221, then the positioning protrusion is pushed along the first groove 221, when the positioning protrusion is pushed to the joint of the first groove 221 and the second groove 222, the positioning protrusion is rotated to enter the second groove 222, and the positioning protrusion is pushed into the second groove 222, so that the positioning protrusion is clamped in the second groove 222, the positioning protrusion is prevented from being separated from the positioning groove, and the positioning reliability is improved.

In order to avoid the situation that the endoscope may move or shift along the length direction of the second channel 16 after being inserted into the second channel 16 during embryo transfer, which may result in an unclear image observed through the endoscope, the second groove 222 may gradually deviate from the end of the handle 20 away from the tube 12 from the position communicating with the first groove 221 in the extension direction of the handle 20 in the circumferential direction, so that the endoscope may move toward the first end of the tube 12 of the catheter 10 until abutting against the inner wall of the transparent stopper during the process of pushing the positioning protrusion on the handle of the endoscope into the second groove 222, and the endoscope may be stably confined in the catheter 10 by means of the transparent stopper and the second groove 222, so that the image observed through the endoscope is clearer.

The length of the tube body 12 can be 5cm-30cm, and the outer diameter can be 0.5cm-3 cm. In particular applications, the particular length and outer diameter of the tube 12 can be determined based on the size of the animal. For example, for embryo transplantation of large animals such as cattle, horses, donkeys, etc., the length of the tube 12 may be 30cm and the outer diameter may be 3 cm; for embryo transplantation of medium animals such as pig, sheep, dog, panda, etc., the length of the tube body 12 can be 20cm, and the outer diameter can be 1 cm; for embryo transfer in small animals such as cats, rabbits, mice, etc., the length of the tube 12 can be 5cm and the outer diameter can be 0.5 cm.

The embodiment of the utility model also provides an animal embryo transfer device, which comprises a guide pipe and an endoscope, wherein the guide pipe is the guide pipe 10 for animal embryo transfer in any one of the embodiments; the endoscope may be the endoscope described in any of the preceding embodiments, which is inserted into the second channel 16 of the catheter 10 for animal embryo transfer.

The endoscope may be inserted into second channel 16 and may be withdrawn from second channel 16 separately from catheter 10. When embryo transplantation is carried out, the endoscope can be inserted into the second channel 16 in advance and extends into the uterine cavity of the animal along with the first end of the tube body 12, so that the animal embryo can be visually operated in the uterine cavity of the animal, and the success rate of embryo transplantation of the animal is improved. In addition, the endoscope can be drawn out from the second channel, and can be repeatedly used for a plurality of times even when the catheter is a disposable catheter, so that the cost is saved.

In order to provide effective protection for the endoscope during embryo transfer of an animal using the catheter 10, in one embodiment, the first end of the tubular body 12 is provided with a stepped hole 18 inside the opening of the second channel 16, and a transparent stopper (not shown) is provided in the stepped hole 18, and the end of the endoscope where the image sensor is mounted is adjacent to the transparent stopper. The transparent stopper can be made of glass or transparent plastic, and the transparent stopper can be fixed in the stepped hole 18 through adhesive bonding. The transparent stopper provides protection for the endoscope and prevents body fluids in the animal from contaminating the endoscope. Thus, even when the catheter 10 is a disposable catheter 10, the endoscope can be repeatedly used a plurality of times without being sterilized.

The embodiment of the utility model provides a visual animal embryo transfer ware is carrying out the embryo transfer in-process, can clearly observe the concrete position that transfer pipe (body) reachd the uterus body, then selects the best embryo to place the locus to improve the conception rate, eliminate the influence of operation experience to the success rate. The embodiment of the utility model provides a also can be used to the non-operation method of animal embryo such as pig and sheep and transplant, changes the operation transplantation method that continues to use the abdominal cavity incision always, reduces the animal and lies on the back baoding, anesthesia and mechanical injury to the stress of animal, can improve the conception rate greatly.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising" is used to specify the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof, but does not exclude the presence of other similar features, integers, steps, operations, components, or groups thereof.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A catheter for animal embryo transfer, comprising: the endoscope comprises a tube body, wherein a first channel for conveying embryos and a second channel for accommodating an endoscope are arranged in the tube body, and the first channel and the second channel are isolated from each other and are respectively opened at a first end of the tube body; the endoscope may be withdrawn from the second channel.

2. The catheter for animal embryo transfer according to claim 1, wherein the first end of the tube body is provided with a stepped hole inside the opening of the second passage, and a transparent stopper is provided inside the stepped hole.

3. The catheter for animal embryo transfer according to claim 1, wherein the tube body is a straight tube.

4. The catheter for animal embryo transfer according to claim 1, wherein a handle is connected to the second end of the tube, and the first channel and the second channel extend through the handle and are open at ends of the handle away from the tube.

5. The catheter for animal embryo transfer according to claim 4, wherein the handle is provided with an endoscope positioning groove.

6. The catheter for animal embryo transfer according to claim 5, wherein the endoscope positioning groove includes a first groove and a second groove, the first groove is formed along the axial direction of the handle, is offset from the axial center of the handle, and penetrates through the side wall of the handle; the second groove is communicated with the first groove and extends along the circumferential direction of the handle.

7. The catheter for animal embryo transfer according to claim 6, wherein the second groove is gradually offset from the end of the handle away from the tubular body in the circumferential direction of the handle from the position communicating with the first groove.

8. The catheter for animal embryo transfer according to claim 1, wherein the tube body has a length of 5cm to 30cm and an outer diameter of 0.5cm to 3 cm.

9. An animal embryo transfer device, which is characterized by comprising a catheter and an endoscope, wherein the catheter is used for transferring the animal embryo as claimed in any one of the preceding claims 1-8; the endoscope is arranged in the second channel in a penetrating mode.

10. The animal embryo transfer device according to claim 9, wherein the first end of the tube body is provided with a step hole inside the opening of the second channel, and when a transparent stopper is provided inside the step hole, the end of the endoscope where the image sensor is mounted is adjacent to the transparent stopper.

11. The animal embryo transfer device of claim 9, wherein the endoscope comprises: the endoscope comprises an endoscope tube body, an image sensor and a control unit, wherein the image sensor is arranged at a first end of the endoscope tube body;

the second end of the endoscope tube body is connected with an endoscope handle, and a positioning bulge is arranged on the endoscope handle;

when the handle of the catheter for animal embryo transplantation is provided with the endoscope positioning groove, the positioning bulge on the endoscope handle is clamped in the endoscope positioning groove.