JP2010213948A - Semen injector - Google Patents

Semen injector Download PDF

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JP2010213948A
JP2010213948A JP2009065504A JP2009065504A JP2010213948A JP 2010213948 A JP2010213948 A JP 2010213948A JP 2009065504 A JP2009065504 A JP 2009065504A JP 2009065504 A JP2009065504 A JP 2009065504A JP 2010213948 A JP2010213948 A JP 2010213948A
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guide member
uterus
semen
insertion portion
injection device
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JP5552604B2 (en
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Hidefumi Kashiwagi
秀文 柏木
Shinobu Inanaga
忍 稲永
Hozumi Ida
穂積 井田
Akito Yamashita
明登 山下
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TOTTORI INST OF IND TECHNOLOGY
Tottori Institute of Industrial Technology
Tottori Prefectural Government
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TOTTORI INST OF IND TECHNOLOGY
Tottori Institute of Industrial Technology
Tottori Prefectural Government
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
    • A61D19/00—Instruments or methods for reproduction or fertilisation
    • A61D19/02—Instruments or methods for reproduction or fertilisation for artificial insemination
    • A61D19/027—Devices for injecting semen into animals, e.g. syringes, guns, probes

Abstract

<P>PROBLEM TO BE SOLVED: To provide a semen injector for reliably injecting semen to the uterus of an animal. <P>SOLUTION: The semen injector 1 is a device for injecting the semen to the uterus of an animal, including: a guide member 3 formed in a pipe shape to be inserted to the uterus and having a helical insertion part 2 at one end; a catheter 4 to be inserted to the inner part of the guide member 3 from the other side of the member 3, so as to inject the semen to the uterus; and an observation device 5 to be inserted to the inner part of the guide member 3 from the other end of the member 3 simultaneously with the catheter 4, so as to observe the inside of the uterus. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

この発明は、動物の子宮内に精液を注入するための精液注入装置に関する。   The present invention relates to a semen injection device for injecting semen into an uterus of an animal.

従来、豚や牛等の家畜を繁殖させる際には、これらの雄と雌とを交尾させていた。しかし、近年では交尾による繁殖は効率が悪く、家畜の雄の精液を採取してこれを雌の子宮内に注入することにより人工的に受精させて繁殖を行っている。そして、前述のように精液を子宮内に注入する装置として以下のような、カテーテルが考案されている。   Conventionally, when breeding livestock such as pigs and cows, these males and females were mated. However, in recent years, breeding by mating is not efficient, and breeding is performed by artificially fertilizing by collecting male semen from domestic animals and injecting it into the uterus of females. As described above, the following catheter has been devised as a device for injecting semen into the uterus.

このカテーテルは、家畜の子宮体内挿入用の外側パイプの内部に、先端部にノズル部を有する可撓性のチューブを押出し自在に挿入して成り、ノズル部を有するチューブの先端側を外側パイプの先端から押し出した状態で、チューブの後端部側からノズル部に向かって精子又は卵子を送り出す形式の家畜用人工授精カテーテルにおいて、外側パイプの少なくとも先端部を弾性部材で構成し、前記弾性部材で構成された先端部に、通常閉で且つノズル部からの押圧力が作用したときに押し広げられる口部を予め形成したものである（例えば、特許文献１）。   This catheter is formed by extruding a flexible tube having a nozzle portion at the tip into an outer pipe for insertion into the uterus of livestock, and the tip of the tube having the nozzle is inserted into the outer pipe. In the artificial insemination catheter for livestock in the form of feeding sperm or ovum from the rear end side of the tube toward the nozzle part while being pushed out from the tip, at least the tip of the outer pipe is made of an elastic member, and the elastic member A mouth portion that is normally closed and is spread when a pressing force is applied from the nozzle portion is formed in advance on the configured tip portion (for example, Patent Document 1).

特開２００５−２１１１９０号公報JP 2005-211190 A

しかし、前述のようなカテーテルにおいては、当該カテーテルの先端部分が子宮のどの位置まで挿入されたかを判断することができないため、精液を子宮の頚管部分に正確に注入することができず、受胎率を向上させることが困難であった。   However, in the catheter as described above, it is impossible to determine how far the tip of the catheter has been inserted into the uterus, so semen cannot be accurately injected into the cervical portion of the uterus, and the conception It was difficult to improve the rate.

この発明は上記のような種々の課題を解決することを目的としてなされたものであって、家畜等の動物の子宮の頚管部分に確実に精液を注入することができる精液注入装置を提供するものである。   The present invention has been made for the purpose of solving the various problems as described above, and provides a semen injection device capable of reliably injecting semen into the cervical canal portion of the uterus of animals such as livestock. Is.

上記目的を達成するために、請求項１記載の精液注入装置は、動物の子宮内に精液を注入するための精液注入装置において、前記子宮内に挿入されるパイプ状に形成されてその一端側に螺旋状の挿入部を有するガイド部材と、該ガイド部材の他端側からその内部に挿入されて前記精液を前記子宮内に注入するためのカテーテルと、該カテーテルと共に前記ガイド部材の他端側からその内部に挿入されて前記子宮内を観察するための観察装置と、を具備することを特徴としている。   In order to achieve the above object, the semen injection device according to claim 1 is a semen injection device for injecting semen into the uterus of an animal, and is formed into a pipe shape inserted into the uterus and one end thereof. A guide member having a helical insertion portion, a catheter inserted into the uterus from the other end side of the guide member, and the other end side of the guide member together with the catheter And an observation device for observing the inside of the uterus.

請求項２記載の精液注入装置は、前記挿入部が前記ガイド部材の一端部に着脱自在に設けられることを特徴としている。   The semen injection device according to claim 2 is characterized in that the insertion portion is detachably provided at one end of the guide member.

請求項３記載の精液注入装置は、前記ガイド部材の他端側の外周面に前記挿入部より大径な握持部が設けられることを特徴としている。   The semen injection device according to claim 3 is characterized in that a grip portion having a diameter larger than that of the insertion portion is provided on an outer peripheral surface on the other end side of the guide member.

請求項４記載の精液注入装置は、前記ガイド部材を回転自在となるようにその外周面を保持する保持部と、当該保持部に連設されて前記ガイド部材から直角方向に延出する把持部と、具備することを特徴としている。   The semen injection device according to claim 4, wherein the guide member is rotatably held by a holding portion that holds an outer peripheral surface thereof, and a holding portion that is connected to the holding portion and extends from the guide member in a perpendicular direction. It is characterized by comprising.

請求項５記載の精液注入装置は、前記挿入部が発光自在であることを特徴としている。   The semen injection device according to claim 5 is characterized in that the insertion portion is capable of emitting light.

請求項６記載の精液注入装置は、前記保持部材の内部に把持部から保持部に亘って連続的に設けられた光路と、前記把持部の内部に設けられて前記光路を通って前記ガイド部材の方向に光を照射可能な照明装置と、を具備し、前記ガイド部材、及び、前記挿入部が透光自在に形成されると共に、当該ガイド部材が前記照明装置から照射される光を当該挿入部の方向へ反射可能な反射部を具備することを特徴としている。   The semen injection device according to claim 6, wherein the guide member is provided inside the holding member continuously from the grip portion to the holding portion, and is provided inside the grip portion and passes through the optical path. An illumination device capable of irradiating light in the direction of the guide, and the guide member and the insertion portion are formed to be transparent, and the guide member inserts light emitted from the illumination device. It is characterized by comprising a reflection part that can be reflected in the direction of the part.

請求項１記載の精液注入装置によれば、前記子宮内に挿入されるパイプ状に形成されてその一端側に螺旋状の挿入部を有するガイド部材と、該ガイド部材の他端側からその内部に挿入されて前記精液を前記子宮内に注入するためのカテーテルと、該カテーテルと共に前記ガイド部材の他端側からその内部に挿入されて前記子宮内を観察するための観察装置と、を具備している。これにより、ガイド部材を動物の子宮に挿入した後でカテーテルと観察装置とを当該ガイド部材の他端部から挿入することにより、該観察装置で子宮内を観察しながら該カテーテルから精液を子宮内に注入することができるので、当該子宮の頚管部に確実に精液を注入することができる。従って、子宮に精液を注入した後の受胎率を向上させることができ、家畜等の動物を効率的に繁殖することができる。   According to the semen injection device of claim 1, a guide member formed in a pipe shape to be inserted into the uterus and having a spiral insertion portion on one end thereof, and the inside of the guide member from the other end side thereof A catheter for injecting the semen into the uterus, and an observation device inserted into the uterus from the other end of the guide member together with the catheter to observe the inside of the uterus. ing. Thus, after inserting the guide member into the uterus of the animal, the catheter and the observation device are inserted from the other end of the guide member, so that the semen can be extracted from the catheter while observing the uterus with the observation device. Therefore, semen can be reliably injected into the cervical canal of the uterus. Therefore, the conception rate after injecting semen into the uterus can be improved, and animals such as livestock can be bred efficiently.

請求項２記載の精液注入装置によれば、前記挿入部が前記ガイド部材の一端部に着脱自在に設けられている。これにより、牛、馬、豚等の動物によって子宮内の構造が異なる場合であっても、各動物の子宮等の形状に応じて作成された挿入部を使用することで子宮内に確実に精子を注入でき、受胎率を向上させることができる。さらに、各動物によって複数の精液注入装置自体を用意する必要がなく挿入部のみを複数用意すればよいので経済的である。   According to the semen injection device of the second aspect, the insertion portion is detachably provided at one end portion of the guide member. As a result, even if the structure of the uterus differs among animals such as cattle, horses, and pigs, the sperm can be reliably placed in the uterus by using the insertion part created according to the shape of the uterus of each animal. Can be injected, and the conception rate can be improved. Further, it is not necessary to prepare a plurality of semen injection devices for each animal, and it is economical because only a plurality of insertion portions need be prepared.

請求項３記載の精液注入装置によれば、前記ガイド部材の他端側の外周面に前記挿入部より大径な握持部が設けられている。これにより、挿入部を動物の子宮内に挿入する際に、作業者が当該挿入部よりも大径な握持部を回転させることで、てこの原理を利用することができ、挿入部を回転させる作業を容易に行うことができる。   According to the semen injection device of the third aspect, the grip portion having a larger diameter than the insertion portion is provided on the outer peripheral surface on the other end side of the guide member. As a result, when inserting the insertion part into the uterus of the animal, the operator can use the lever principle by rotating the gripping part having a diameter larger than that of the insertion part. Can be easily performed.

請求項４記載の精液注入装置によれば、前記ガイド部材を回転自在となるようにその外周面を保持する保持部と、当該保持部に連設されて前記ガイド部材から直角方向に延出する把持部と、具備している。これにより、挿入部を動物の子宮内部に挿入する作業を行う際には、作業者が把持部を持ちながら挿入部を回転させることができるので、前記作業の際に挿入部の先端がぶれることがなく、当該挿入部を確実に子宮内部に挿入することができる。   According to the semen injection apparatus according to claim 4, the guide member is rotatably held by a holding portion that holds the outer peripheral surface thereof, and is extended from the guide member in a direction perpendicular to the holding portion. And a gripping portion. Thereby, when performing the operation of inserting the insertion portion into the uterus of the animal, the operator can rotate the insertion portion while holding the grip portion, so that the tip of the insertion portion shakes during the operation. The insertion portion can be reliably inserted into the uterus.

請求項５記載の精液注入装置によれば、前記挿入部が発光自在であるので、子宮内部を挿入部で照らすことで観察装置による観察をより容易にして動物の子宮に挿入部を挿入する際の作業等を容易に行うことができる。   According to the semen injection device of claim 5, since the insertion portion is capable of emitting light, when the insertion portion is inserted into the uterus of an animal by illuminating the inside of the uterus with the insertion portion to facilitate observation with the observation device. Can be easily performed.

請求項６記載の精液注入装置によれば、前記保持部材の内部に把持部から保持部に亘って連続的に設けられた光路と、前記把持部の内部に設けられて前記光路を通って前記ガイド部材の方向に光を照射可能な照明装置と、を具備し、前記ガイド部材、及び、前記挿入部が透光自在に形成されると共に、当該ガイド部材が前記照明装置から照射される光を当該挿入部の方向へ反射可能な反射部を具備している。これにより、ガイド部材を回転させた状態においても常に挿入部を発光させることができ、挿入部を確実に動物の子宮内に挿入することができる。   According to the semen injection device of claim 6, the optical path provided continuously from the gripping part to the holding part inside the holding member, and the optical path provided inside the gripping part and passing through the optical path. An illumination device capable of irradiating light in the direction of the guide member, wherein the guide member and the insertion portion are formed so as to be translucent, and the guide member emits light emitted from the illumination device. A reflection portion that can reflect in the direction of the insertion portion is provided. Thereby, even when the guide member is rotated, the insertion portion can always emit light, and the insertion portion can be reliably inserted into the uterus of the animal.

この発明における精液注入装置の最良の実施形態について、以下に説明する。本発明の実施形態に係る精液注入装置１は、図２、図４に示すように、動物の子宮内に精液を注入するため装置である。この精液注入装置１は、前記子宮内に挿入されるパイプ状に形成されてその一端側に螺旋状の挿入部２を有するガイド部材３と、該ガイド部材３の他端側からその内部に挿入されて前記精液を前記子宮内に注入するためのカテーテル４と、該カテーテル４と共に前記ガイド部材３の他端側からその内部に挿入されて前記子宮内を観察するための観察装置５と、を具備している。   The best embodiment of the semen injection device according to the present invention will be described below. A semen injection device 1 according to an embodiment of the present invention is a device for injecting semen into the uterus of an animal, as shown in FIGS. The semen injection device 1 is formed into a pipe shape that is inserted into the uterus, and has a guide member 3 having a spiral insertion portion 2 at one end thereof, and is inserted into the guide member 3 from the other end side into the inside thereof. A catheter 4 for injecting the semen into the uterus, and an observation device 5 inserted into the guide member 3 from the other end side of the guide member 3 together with the catheter 4 to observe the inside of the uterus. It has.

前記動物は、牛、豚、馬、山羊等の家畜として人間が飼育するものを始め、これ以外にも、犬、猫、兎等の愛玩動物として人間が飼育するもの、さらには、これら以外の絶滅危惧種等であり、特に限定されるものではない。   The animals include those raised by humans as domestic animals such as cattle, pigs, horses, goats, etc., as well as those raised by humans as pet animals such as dogs, cats, and rabbits, and other than these It is an endangered species and is not particularly limited.

前記精液は、動物の雄から予め採取された精子を含む精液を遠心分離した後、例えばグリセリン等で希釈されて液体窒素やドライアイス等で凍結された保存状態のものを、湯浴等で解凍したものである。しかし、前記精液としては、前述のように凍結保存されたもの以外にも、動物の雄から予め採取されたものをそのまま使用してもよい。尚、前述の精子の凍結保存方法や解凍方法は一例でありこれに限定されるものではない。   The semen is obtained by centrifuging a semen containing sperm collected in advance from an animal male, and then, for example, thawing a storage state diluted with glycerin or the like and frozen with liquid nitrogen or dry ice in a hot water bath or the like. It is a thing. However, as the semen, in addition to those frozen and stored as described above, those collected in advance from male animals may be used as they are. The aforementioned sperm cryopreservation method and thawing method are merely examples, and the present invention is not limited thereto.

前記ガイド部材３は、図１乃至３に示すように、中空のパイプ状に形成された長尺の部材であり、アクリルやポリカーボネート等の透光性の合成樹脂から形成されている。そして、このガイド部材３の一端部には、螺旋状に形成された螺旋翼２ａを先端に有する挿入部２が当該ガイド部材３に着脱自在に設けられている。この挿入部２は、ガイド部材３と同様に中空のパイプ状に設けられており、その内径は当該ガイド部材３の外径と同径となるように形成されている。そのため、挿入部２をガイド部材３に取付ける際には、当該ガイド部材３の一端部を挿入部２に挿入するように取付ければよく、これにより容易に該挿入部２が外れることがない。   As shown in FIGS. 1 to 3, the guide member 3 is a long member formed in a hollow pipe shape, and is formed of a light-transmitting synthetic resin such as acrylic or polycarbonate. At one end of the guide member 3, an insertion portion 2 having a spirally formed spiral blade 2 a at the tip is detachably provided on the guide member 3. The insertion portion 2 is provided in the shape of a hollow pipe like the guide member 3 and has an inner diameter that is the same as the outer diameter of the guide member 3. For this reason, when the insertion portion 2 is attached to the guide member 3, it is only necessary to attach one end portion of the guide member 3 to the insertion portion 2, so that the insertion portion 2 is not easily detached.

尚、挿入部２の形状は、本実施形態のように筒状に限定されず、各動物の膣内の形状等に応じて適宜変更することができ、動物の性器の形状を模していてもよい。また、挿入部２は、ガイド部材３と同様の材料から形成されていてもよいが、動物の子宮等を傷つけることがないように透光性のシリコンやウレタン等の柔軟な材料が使用されることが好ましい。   The shape of the insertion portion 2 is not limited to a cylindrical shape as in the present embodiment, and can be changed as appropriate according to the shape in the vagina of each animal, etc., and mimics the shape of an animal's genitals Also good. The insertion portion 2 may be formed of the same material as that of the guide member 3, but a flexible material such as translucent silicon or urethane is used so as not to damage the uterus of the animal. It is preferable.

そして、ガイド部材３には、図１乃至３に示すように、その他端部の外側面３ａを覆うようにして円柱状の握持部６が設けられている。この握持部６は、少なくとも挿入部２の直径よりも大径となるように形成されているため、ガイド部材３に取付けられた挿入部２を回転させて動物の子宮内に挿入する際に、てこの原理を利用することができ螺旋状の挿入部２を動物の子宮内に容易にねじ込むことができる。尚、握持部６は、ガイド部材３の他端部でなくとも、該ガイド部材３の一端部と他端部との中間に設けられていてもよく、さらに、その表面に凹凸状等の滑り止めを形成していてもよく、形状も円柱状に限定されずその他の形状であってもよい。   As shown in FIGS. 1 to 3, the guide member 3 is provided with a cylindrical gripping portion 6 so as to cover the outer surface 3a of the other end portion. Since the gripping portion 6 is formed to have a diameter that is at least larger than the diameter of the insertion portion 2, when the insertion portion 2 attached to the guide member 3 is rotated and inserted into the uterus of the animal. The principle of leverage can be used, and the helical insertion portion 2 can be easily screwed into the uterus of an animal. Note that the gripping portion 6 may not be the other end portion of the guide member 3, but may be provided in the middle between the one end portion and the other end portion of the guide member 3, and the surface of the gripping portion 6 may be uneven. Anti-slip may be formed, and the shape is not limited to a cylindrical shape, and may be other shapes.

ガイド部材３は、図１、図３、図５に示すように、その中間部分を保持部７によって回転自在に保持されている。この保持部７は、円柱状に形成されると共に、その中心部には、一方面側から他方面側にガイド部材３を貫通可能な貫通孔７ａが設けられており該ガイド部材３が貫通孔７ａを貫通するようにして、当該保持部７がガイド部材のを保持している。そして、貫通孔７ａの一方側の開口部７ｂ、及び他方側の開口部７ｃにはそれぞれ周知のベアリング８が設けられており、前述のように貫通されたガイド部材３が、パイプ状に形成された透光性のパイプ部材９を介して回転自在に保持されている。また、保持部７には、図５に示すように、ガイド部材３から直角方向に延出して把持部１０が連設されている。そのため、作業者は把持部１０を把持しながら握持部６を回転させることができるので挿入部２を動物の子宮に挿入する際に当該挿入部２の先端がぶれることがなく確実に該挿入部２を子宮内に挿入することができる。   As shown in FIGS. 1, 3, and 5, the guide member 3 has an intermediate portion rotatably held by a holding portion 7. The holding portion 7 is formed in a columnar shape, and a through hole 7a through which the guide member 3 can penetrate from one surface side to the other surface side is provided at the center portion, and the guide member 3 is a through hole. The holding portion 7 holds the guide member so as to penetrate 7a. A well-known bearing 8 is provided in each of the opening 7b on one side and the opening 7c on the other side of the through hole 7a, and the guide member 3 penetrated as described above is formed in a pipe shape. The light-transmitting pipe member 9 is rotatably held. Further, as shown in FIG. 5, the holding portion 7 is provided with a grip portion 10 extending from the guide member 3 in a direction perpendicular to the holding portion 7. Therefore, since the operator can rotate the gripping part 6 while gripping the gripping part 10, the insertion part 2 is reliably inserted without being shaken when the insertion part 2 is inserted into the uterus of an animal. Part 2 can be inserted into the uterus.

また、把持部１０は、図５に示すように、その内部を透光可能となるように中空状に形成されて第１の光路１１が設けられており、当該第１の光路１１の底部１２にはガイド部材３の方向に光を照射可能な照明装置１３が設けられている。この照明装置１３としては、豆電球やＬＥＤ等を適宜選択して使用することができ、また、当該把持部１０の内部に電池等の蓄電手段（不図示）を具備しており、スイッチ等で照明のＯＮ、ＯＦＦが可能である。また、照明装置１３の電源としては、蓄電手段を具備する以外にも商業用電源と配線を介して電気的に接続されていてもよい。尚、本実施形態における第１の光路１１は中空状となるように形成されているが、当該第１の光路１１にアクリル等の透光性の樹脂やガラス等が充填されていてもよい。   Further, as shown in FIG. 5, the grip portion 10 is formed in a hollow shape so that the inside thereof can transmit light and is provided with a first optical path 11, and a bottom portion 12 of the first optical path 11. Is provided with an illumination device 13 capable of irradiating light in the direction of the guide member 3. As the lighting device 13, a miniature light bulb, an LED, or the like can be appropriately selected and used, and a power storage means (not shown) such as a battery is provided inside the grip portion 10, and a switch or the like is used. Lighting can be turned on and off. Moreover, as a power supply of the illuminating device 13, in addition to having an electrical storage means, you may electrically connect with a commercial power supply via wiring. In addition, although the 1st optical path 11 in this embodiment is formed so that it may become hollow shape, the said 1st optical path 11 may be filled with translucent resin, glass, etc., such as an acryl.

そして、把持部１０が設けられた箇所における保持部７には、図５に示すように、照明装置１３から照射された光を第１の光路１１からさらにガイド部材３の方向に透光可能となるように第２の光路１４が設けられている。この第２の光路１４は保持部７の一部を切欠くように形成されていてもよく、さらに、この切欠かれた箇所にアクリル等の透光性の樹脂やガラス等が充填されていてもよい。このように、第１の光路１１と第２の光路１４とが照明装置１３からガイド部材３に至るまで連続的に形成されており、当該照明装置１３から照射される光がガイド部材３にまで届くようになっている。さらに、照明装置１３から照射される光が効率的にガイド部材３に届くように第１の光路１１及び第２の光路１４の側面に鏡面加工が施されていてもよい。   Then, as shown in FIG. 5, the light emitted from the illumination device 13 can be further transmitted through the holding unit 7 at the place where the grip unit 10 is provided from the first optical path 11 toward the guide member 3. The 2nd optical path 14 is provided so that it may become. The second optical path 14 may be formed so as to cut out a part of the holding portion 7, and even if the cut-out portion is filled with a translucent resin such as acrylic or glass. Good. In this way, the first optical path 11 and the second optical path 14 are continuously formed from the illumination device 13 to the guide member 3, and the light irradiated from the illumination device 13 reaches the guide member 3. It has come to reach. Further, the side surfaces of the first optical path 11 and the second optical path 14 may be mirror-finished so that the light emitted from the illumination device 13 efficiently reaches the guide member 3.

また、ガイド部材３における照明装置１３の光が照射される箇所には、図５に示すように、当該光を挿入部２の方向へ反射可能な反射部１５が設けられている。そして、本実施形態においては、その断面形状が直角二等辺三角形状の溝部１６がガイド部材３の外周面３ａの周方向に亘って複数形成され、当該溝部１６の斜辺１６ａが反射部１５となっている。この反射部１５としては、これ以外にも例えばアルミ蒸着された樹脂等が埋め込まれていてもよく、これらに限定されるものではない。   Further, as shown in FIG. 5, a reflecting portion 15 capable of reflecting the light in the direction of the insertion portion 2 is provided at a location where the light of the lighting device 13 is irradiated on the guide member 3. In the present embodiment, a plurality of groove portions 16 whose cross-sectional shape is a right-angled isosceles triangle shape are formed over the circumferential direction of the outer peripheral surface 3 a of the guide member 3, and the hypotenuse 16 a of the groove portion 16 becomes the reflecting portion 15. ing. In addition to this, the reflecting portion 15 may be embedded with, for example, a resin deposited with aluminum, and is not limited thereto.

そのため、図５に示すように、照明装置１３から照射された光は第１の光路１１、第２の光路１４を経て反射部１５で挿入部２の方向へ反射される。さらに、溝部１６はガイド部材３の周方向に亘って形成されているため、挿入部２を動物の子宮に挿入する際に、ガイド部材３を回転させた場合にも常に溝部１６の斜辺１６ａが照明装置１３からの光を挿入部２の方向へ反射することができる。そして、前述のように挿入部２の方向へ反射された光は、ガイド部材３内を透過して挿入部２から当該光が照射される。この際には、挿入部２を成型する際に照明装置１３の光で励起可能な蛍光物質を混錬しておくことが好ましく、これにより、反射部１５で反射された光と挿入部２に混錬された蛍光物質の蛍光とで動物の子宮内を照らすことができる。   Therefore, as shown in FIG. 5, the light emitted from the illumination device 13 is reflected in the direction of the insertion unit 2 by the reflection unit 15 through the first optical path 11 and the second optical path 14. Further, since the groove portion 16 is formed along the circumferential direction of the guide member 3, even when the guide member 3 is rotated when the insertion portion 2 is inserted into the uterus of the animal, the hypotenuse 16a of the groove portion 16 is always provided. Light from the illumination device 13 can be reflected in the direction of the insertion portion 2. As described above, the light reflected in the direction of the insertion portion 2 passes through the guide member 3 and is irradiated from the insertion portion 2. At this time, it is preferable to mix a fluorescent material that can be excited by the light of the illumination device 13 when the insertion portion 2 is molded, so that the light reflected by the reflection portion 15 and the insertion portion 2 are mixed. The inside of the animal's womb can be illuminated with the fluorescence of the kneaded fluorescent material.

前記カテーテル４は、図４に示すように、例えばポリプロピレン等の可撓性の合成樹脂から長尺に形成されて成る中空の部材である。このカテーテル４は、少なくともガイド部材３よりも長尺に形成され、使用状況に応じて所望の長さにカットする等して使用することができる。また、カテーテル４は、ガイド部材３の一端側の挿入部２が動物の子宮に挿入された後、図４に示すように、当該ガイド部材３の他端側からその内部に挿入されて該子宮の頚管部等にまでその先端部を到達させる。そして、動物の精液を、図４に示すように、周知の使い捨てシリンジ１７等でカテーテル４の後端部から注入して、当該精液を子宮の頚管部等に注入する。   As shown in FIG. 4, the catheter 4 is a hollow member made of a flexible synthetic resin such as polypropylene, for example. The catheter 4 is formed to be longer than at least the guide member 3, and can be used by cutting it to a desired length according to the use situation. The catheter 4 is inserted into the uterus from the other end side of the guide member 3 as shown in FIG. 4 after the insertion portion 2 on one end side of the guide member 3 is inserted into the uterus of the animal. The tip is made to reach the cervical canal. Then, as shown in FIG. 4, animal semen is injected from the rear end of the catheter 4 with a known disposable syringe 17 or the like, and the semen is injected into the cervix of the uterus or the like.

前記観察装置５は、図４に示すように、カテーテル４と共にガイド部材３の他端側からその内部に挿入されて子宮内を観察するためのものである。この観察装置５としては、本実施形態のように、周知の光ファイバーセンサー１８を使用することができる。この光ファイバーセンサーは、光を伝達するための光ファイバー１８ａと、当該光ファイバーの先端部に設けられた集光レンズ１８ｂと、光ファイバー１８ａの後端部に設けられて光ファイバー１８ｂに伝達された光を検出するための検出器１８ｃとを具備している。   As shown in FIG. 4, the observation device 5 is inserted into the guide member 3 from the other end side of the guide member 3 together with the catheter 4 to observe the inside of the uterus. As this observation device 5, a known optical fiber sensor 18 can be used as in this embodiment. This optical fiber sensor detects an optical fiber 18a for transmitting light, a condensing lens 18b provided at the front end of the optical fiber, and light transmitted to the optical fiber 18b provided at the rear end of the optical fiber 18a. And a detector 18c.

当該検出器１８ｃでは、子宮内の光の強度、可視光スペクトル等を検出することができ、図外の液晶ディスプレイ等の表示装置にこれらの検出情報を表示することができる。これにより、観察装置５と共に動物の子宮内に挿入されたカテーテル４を確実に子宮の頚管部に誘導することができ、受胎率を向上させることができる。また、表示装置は検出器と一体化されていてもよく、観察装置５としては光ファイバーセンサー以外にも周知の小型のＣＣＤカメラ等を適宜使用することができる。   The detector 18c can detect the intensity of light in the uterus, the visible light spectrum, and the like, and can display such detection information on a display device such as a liquid crystal display (not shown). Thereby, the catheter 4 inserted into the uterus of the animal together with the observation device 5 can be reliably guided to the cervical canal portion of the uterus, and the conception rate can be improved. Further, the display device may be integrated with a detector, and as the observation device 5, a known small CCD camera or the like can be used as appropriate in addition to the optical fiber sensor.

以上のような精液注入装置１によれば、家畜等の動物の子宮の頚管部分に確実に精液を注入することができる。   According to the semen injection apparatus 1 as described above, it is possible to reliably inject semen into the cervical portion of the uterus of animals such as livestock.

本発明に係る精液注入装置１は、牛、豚、馬等の家畜以外にも犬、猫等の愛玩動物等の種々の動物に使用することができる。   The semen injection apparatus 1 according to the present invention can be used for various animals such as pets such as dogs and cats in addition to domestic animals such as cattle, pigs and horses.

挿入部を取外した状態の本実施形態に係る精液注入装置の全体斜視図Overall perspective view of the semen injection device according to this embodiment with the insertion portion removed 挿入部が取付けられた状態の本実施形態に係る精液注入装置の全体斜視図Overall perspective view of the semen injection device according to this embodiment with the insertion portion attached 本実施形態に係る精液注入装置の側面図Side view of semen injection device according to this embodiment ガイド部材にカテーテルと観察装置とが挿入された状態を示す側面図Side view showing a state in which the catheter and the observation device are inserted into the guide member 本実施形態に係る保持部材の断面拡大図Cross-sectional enlarged view of the holding member according to the present embodiment

１ 精液挿入装置
２ 挿入部
３ ガイド部材
４ カテーテル
５ 観察装置
６ 握持部
７ 保持部
１０ 把持部
１３ 照明装置
１６ 溝部
１６ａ（１５） 斜辺
１８（５） 光ファイバーセンサー DESCRIPTION OF SYMBOLS 1 Semen insertion apparatus 2 Insertion part 3 Guide member 4 Catheter 5 Observation apparatus 6 Gripping part 7 Holding part 10 Gripping part 13 Illumination device 16 Groove part 16a (15) Slanted side 18 (5) Optical fiber sensor

Claims (6)

動物の子宮内に精液を注入するための精液注入装置において、
前記子宮内に挿入されるパイプ状に形成されてその一端側に螺旋状の挿入部を有するガイド部材と、
該ガイド部材の他端側からその内部に挿入されて前記精液を前記子宮内に注入するためのカテーテルと、
該カテーテルと共に前記ガイド部材の他端側からその内部に挿入されて前記子宮内を観察するための観察装置と、
を具備することを特徴とする精液注入装置。 In a semen injection device for injecting semen into the uterus of an animal,
A guide member formed into a pipe shape to be inserted into the uterus and having a spiral insertion portion on one end thereof;
A catheter for injecting the semen into the uterus from the other end of the guide member,
An observation device for observing the inside of the uterus inserted into the inside of the guide member from the other end side of the guide member together with the catheter;
A semen injection device characterized by comprising: 前記挿入部が前記ガイド部材の一端部に着脱自在に設けられることを特徴とする請求項１記載の精液注入装置。   The semen injection device according to claim 1, wherein the insertion portion is detachably provided at one end of the guide member. 前記ガイド部材の他端側の外周面に前記挿入部より大径な握持部が設けられることを特徴とする請求項１又は２記載の精液注入装置。   The semen injection device according to claim 1 or 2, wherein a grip portion having a diameter larger than that of the insertion portion is provided on an outer peripheral surface on the other end side of the guide member. 前記ガイド部材を回転自在となるようにその外周面を保持する保持部と、当該保持部に連設されて前記ガイド部材から直角方向に延出する把持部と、具備することを特徴とする請求項１乃至３記載の精液注入装置。   A holding portion that holds the outer peripheral surface of the guide member so as to be rotatable, and a gripping portion that is connected to the holding portion and extends in a direction perpendicular to the guide member. Item 4. The semen injection device according to items 1 to 3. 前記挿入部が発光自在であることを特徴とする請求項１乃至４記載の精液注入装置。   The semen injection device according to claim 1, wherein the insertion portion is capable of emitting light. 前記保持部材の内部に把持部から保持部に亘って連続的に設けられた光路と、前記把持部の内部に設けられて前記光路を通って前記ガイド部材の方向に光を照射可能な照明装置と、を具備し、
前記ガイド部材、及び、前記挿入部が透光自在に形成されると共に、当該ガイド部材が前記照明装置から照射される光を当該挿入部の方向へ反射可能な反射部を具備することを特徴とする請求項５記載の精液注入装置。 An optical path provided continuously from the gripping part to the holding part inside the holding member, and an illuminating device provided inside the gripping part and capable of emitting light in the direction of the guide member through the optical path And comprising
The guide member and the insertion portion are formed so as to be translucent, and the guide member includes a reflection portion capable of reflecting light emitted from the illumination device toward the insertion portion. The semen injection device according to claim 5.
JP2009065504A 2009-03-18 2009-03-18 Semen injection device Expired - Fee Related JP5552604B2 (en)

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