技术领域technical field
本发明属于医疗检测器械设备技术领域，特别涉及一种全自动型活检针。The invention belongs to the technical field of medical testing equipment, in particular to a fully automatic biopsy needle.
背景技术Background technique
活检针是一种医疗器械，适用于肾脏、肝脏、肺、乳腺、甲状腺、前列腺、胰腺、睾丸、子宫、卵巢、体表等多种器官，可用于椎体肿瘤和不明种肿瘤等的活组织取样、吸取细胞。Biopsy needle is a medical device, suitable for kidney, liver, lung, breast, thyroid, prostate, pancreas, testis, uterus, ovary, body surface and other organs. It can be used for biopsy of vertebral body tumors and unknown tumors. Sample and aspirate cells.
临床上，在为肿瘤病人做检查时，为了确定肿瘤的性质，需要用活检针从患病部位取一些活组织。过去传统的人体组织活检采用的方法是手术切开法，通过手术将组织取出进行活检，这种方法存在创伤面大、费用高、病人痛苦大的缺点。近年来，组织活检主要采用活检针，活检针是由针体、针座和针芯等组成，针芯从针座处插入针体内，针芯的端部有针槽，针体的端部制成斜面，成刀刃状切口，用这种活检针取出组织，创伤面小，活检成功率高，但现有的活检针结构复杂，操作不便，容易造成失误，安全性欠佳。Clinically, when examining tumor patients, in order to determine the nature of the tumor, it is necessary to use a biopsy needle to take some biopsies from the diseased site. In the past, the traditional method of human tissue biopsy was surgical incision, and the tissue was taken out for biopsy through surgery. This method has the disadvantages of large trauma, high cost, and great pain to the patient. In recent years, biopsy needles are mainly used for tissue biopsy. The biopsy needle is composed of a needle body, a needle base and a needle core. The needle core is inserted into the needle body from the needle base. The end of the needle core has a needle groove, and the end of the needle body is made of The biopsy needle has a beveled surface and a blade-like incision, and the biopsy needle is used to take out the tissue. The trauma surface is small and the biopsy success rate is high.
发明内容SUMMARY OF THE INVENTION
本发明的主要目的在于提供一种全自动型活检针，解决现有技术存在的活检针的结构复杂、操作不便的问题。The main purpose of the present invention is to provide a fully automatic biopsy needle, which solves the problems of complex structure and inconvenient operation of the biopsy needle in the prior art.
本发明的技术方案为：一种全自动型活检针，包括本体公半体和本体母半体，本体公半体和本体母半体相扣合且内部形成空腔，空腔包括依次相连的顶腔、腔室Ⅰ和腔室Ⅱ，顶腔内设有可滑动的击发器，腔室Ⅰ和腔室Ⅱ中分别设有可滑动的击发构件，腔室Ⅱ中的击发构件上固定有外针，外针内穿设有内针，内针一端与腔室Ⅰ中的击发构件固定连接。The technical scheme of the present invention is as follows: a fully automatic biopsy needle, comprising a main body male half body and a main body female half body, the main body male half body and the main body female half body are engaged with each other and a cavity is formed inside, and the cavity includes sequentially connected The top chamber, the chamber I and the chamber II, the top chamber is provided with a slidable trigger, the chamber I and the chamber II are respectively provided with a slidable trigger member, and the trigger member in the chamber II is fixed with an external trigger. The outer needle is provided with an inner needle, and one end of the inner needle is fixedly connected with the firing member in the chamber I.
优选的，击发构件包括内针座或外针座，内针座或外针座包括座体，座体为凹槽结构，凹槽的底部设有击发开口，凹槽内设有卡位倒扣，卡位倒扣上套设有弹簧，弹簧的一端与凹槽内底面抵接，弹簧的另一端与腔室Ⅰ或腔室Ⅱ的内部抵接，凹槽的侧边上下面上设有凸起长条，凹槽侧面上设有圆柱销。Preferably, the firing member includes an inner needle seat or an outer needle seat, the inner needle seat or the outer needle seat includes a seat body, and the seat body is a groove structure, the bottom of the groove is provided with a firing opening, and the groove is provided with an inverted buckle A spring is set on the upside-down buckle of the card position. One end of the spring is in contact with the inner bottom surface of the groove, and the other end of the spring is in contact with the interior of the chamber I or chamber II. The upper and lower sides of the groove are provided with convex A long strip is provided, and a cylindrical pin is arranged on the side of the groove.
优选的，腔室Ⅰ外设有旋钮Ⅰ，腔室Ⅱ外设有旋钮Ⅱ，顶腔的外壁卡接有手柄，旋钮Ⅰ的两端分别与旋钮Ⅱ和手柄转动套接。Preferably, a knob I is provided outside the chamber I, a knob II is provided outside the chamber II, a handle is clamped on the outer wall of the top chamber, and both ends of the knob I are respectively connected with the knob II and the handle for rotation.
优选的，击发器为H型结构，击发器上设有弹片，击发器的一个端面与手柄抵接，另一个端面的外侧设有击发出口，所述击发出口与内针座上的卡位倒扣匹配。Preferably, the trigger is an H-shaped structure, with shrapnel on the trigger, one end face of the trigger abuts against the handle, and a firing outlet is provided on the outer side of the other end face, and the firing outlet is inverted from the card position on the inner needle seat. Buckle to match.
优选的，腔室Ⅰ与顶腔和腔室Ⅱ之间设有通孔，通孔与击发出口、卡位倒扣之间相对应匹配设置。Preferably, a through hole is provided between the chamber I, the top chamber and the chamber II, and the through hole is arranged in a corresponding matching manner with the firing outlet and the buckle.
优选的，旋钮Ⅱ为中空结构，所述旋钮Ⅱ的内壁上设有螺旋导程槽和直导程槽，直导程槽的起点与螺旋导程槽的终点重合，螺旋导程槽的起点与直导程槽的终点重合，旋钮Ⅰ和旋钮Ⅱ的结构相同。Preferably, the knob II is a hollow structure, the inner wall of the knob II is provided with a spiral lead groove and a straight lead groove, the starting point of the straight lead groove coincides with the end point of the spiral lead groove, and the starting point of the helical lead groove is the same as that of the helical lead groove. The end points of the straight lead grooves coincide, and the structures of knob I and knob II are the same.
优选的，本体公半体和本体母半体的侧边对应设有长槽，长槽与凹槽上的凸起长条滑动连接。Preferably, the sides of the male body half body and the female body half body are correspondingly provided with long grooves, and the long grooves are slidably connected with the protruding strips on the grooves.
优选的，腔室Ⅱ的外侧设有前端挡块，前端挡块与本体公半体和本体母半体卡接，外针和内针穿过前端挡块。Preferably, the outer side of the chamber II is provided with a front end stopper, the front end stopper is clamped with the main body male half body and the main body female half body, and the outer needle and the inner needle pass through the front end stopper.
本发明具有如下有益效果：The present invention has the following beneficial effects:
本发明提供的一种全自动型活检针，通过设置击发器、内针座、外针座、通孔等的相互配合，实现内针和外针依次自动化穿刺，使得操作更方便，减少了操作失误；通过设置旋钮Ⅰ和旋钮Ⅱ分别与内针座和外针座相配合，方便操作者轻松实现卡位上膛，结构简单，便于操作，适用性强。The fully automatic biopsy needle provided by the present invention realizes the automatic puncturing of the inner needle and the outer needle in sequence by setting the trigger, the inner needle seat, the outer needle seat, the through hole, etc. to cooperate with each other, which makes the operation more convenient and reduces the operation time. Error; by setting the knob I and knob II to match the inner needle seat and the outer needle seat respectively, it is convenient for the operator to easily realize the card position loading, the structure is simple, the operation is convenient, and the applicability is strong.
附图说明Description of drawings
图1为本发明提供的全自动型活检针的结构图；1 is a structural diagram of a fully automatic biopsy needle provided by the present invention;
图2为本发明提供的全自动型活检针的爆炸图；2 is an exploded view of the fully automatic biopsy needle provided by the present invention;
图3为本发明提供的全自动型活检针在上膛状态下的结构图；Fig. 3 is the structure diagram of the fully automatic biopsy needle provided by the present invention in the state of the upper chamber;
图4为本发明提供的全自动型活检针在内针发射状态下的结构图。FIG. 4 is a structural diagram of the fully automatic biopsy needle provided by the present invention in a state where the inner needle is fired.
图中：1.内针；2.外针；3.前端挡块；4.外针座；5.弹簧；6.内针座；7.本体公半体；8.本体母板体；9.击发器；10.手柄；11.旋钮Ⅰ；12.旋钮Ⅱ。In the figure: 1. Inner needle; 2. Outer needle; 3. Front end stop; 4. Outer needle seat; 5. Spring; 6. Inner needle seat; 7. Body male half body; 8. Body mother board body; 9 . Trigger; 10. Handle; 11. Knob I; 12. Knob II.
具体实施方式Detailed ways
下面结合附图对本发明的具体实施方式作进一步详细的说明。The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
一种全自动型活检针，参见图1-4，包括本体公半体7和本体母半体8，本体公半体7和本体母半体8相扣合且内部形成空腔，空腔包括依次相连的顶腔、腔室Ⅰ和腔室Ⅱ，顶腔内设有可滑动的击发器9，腔室Ⅰ和腔室Ⅱ中分别设有可滑动的击发构件，腔室Ⅱ中的击发构件上固定有外针2，外针2内穿设有内针1，内针1一端与腔室Ⅰ中的击发构件固定连接。A fully automatic biopsy needle, see Figures 1-4, includes a male body half body 7 and a body female half body 8, the body male half body 7 and the body female half body 8 are fastened together and form a cavity inside, the cavity includes The top chamber, chamber I and chamber II are connected in sequence, the top chamber is provided with a slidable trigger 9, the chamber I and the chamber II are respectively provided with a slidable trigger member, and the trigger member in the chamber II An outer needle 2 is fixed thereon, an inner needle 1 is penetrated through the outer needle 2, and one end of the inner needle 1 is fixedly connected with the firing member in the chamber I.
为了便于实现自动化操作，击发构件包括内针座6或外针座4，内针座6或外针座4包括座体，座体为凹槽结构，凹槽的底部设有击发开口，凹槽内设有卡位倒扣，卡位倒扣上套设有弹簧5，弹簧5的一端与凹槽内底面抵接，弹簧5的另一端与腔室Ⅰ或腔室Ⅱ的内部抵接，凹槽的侧边上下面上设有凸起长条，凹槽侧面上设有圆柱销。In order to facilitate automatic operation, the firing member includes an inner needle seat 6 or an outer needle seat 4, and the inner needle seat 6 or the outer needle seat 4 includes a seat body, and the seat body is a groove structure. The bottom of the groove is provided with a firing opening, and the groove There is an inverted buckle inside, a spring 5 is sleeved on the inverted buckle, one end of the spring 5 is in contact with the inner bottom surface of the groove, and the other end of the spring 5 is in contact with the interior of the chamber I or chamber II. The sides of the groove are provided with raised strips on the upper and lower surfaces, and the sides of the groove are provided with cylindrical pins.
为了便于操作，腔室Ⅰ外设有旋钮Ⅰ11，腔室Ⅱ外设有旋钮Ⅱ12，顶腔的外壁卡接有手柄10，旋钮Ⅰ11的两端分别与旋钮Ⅱ12和手柄10转动套接。In order to facilitate operation, a knob I11 is provided outside the chamber I, a knob II12 is provided outside the chamber II, and a handle 10 is clamped to the outer wall of the top chamber.
为了便于操作，击发器9为H型结构，击发器9上设有两个弹片，弹片与顶腔内部抵接，击发器9的一个端面与手柄10抵接，另一个端面的外侧设有击发出口，击发出口与内针座6上的卡位倒扣匹配。In order to facilitate the operation, the trigger 9 is of an H-shaped structure. There are two shrapnel on the trigger 9. The shrapnel is in contact with the interior of the top cavity. One end face of the trigger 9 is in contact with the handle 10. Outlet, the firing outlet matches the inverted buckle on the inner needle seat 6.
为了便于卡位倒扣与击发出口配合使用，腔室Ⅰ与顶腔和腔室Ⅱ之间设有通孔，通孔与击发出口、卡位倒扣相对应匹配设置。In order to facilitate the use of the card position inversion buckle and the firing outlet, a through hole is provided between the chamber I, the top cavity and the chamber II, and the through hole is matched with the firing outlet and the card position inversion button.
为了便于旋转外针座4，旋钮Ⅱ12为中空结构，旋钮Ⅱ12的内壁上设有螺旋导程槽和直导程槽，直导程槽的起点与螺旋导程槽的终点重合，螺旋导程槽的起点与直导程槽的终点重合，旋钮Ⅰ11和旋钮Ⅱ12的结构相同。In order to facilitate the rotation of the outer needle seat 4, the knob II 12 is a hollow structure. The inner wall of the knob II 12 is provided with a spiral lead groove and a straight lead groove. The starting point of the straight lead groove coincides with the end point of the spiral lead groove. The starting point coincides with the end point of the straight lead groove, and the structure of knob I11 and knob II12 is the same.
为了便于操作，螺旋导程槽为螺旋单头螺纹，直导程槽为一条。For easy operation, the helical lead groove is a helical single-start thread, and the straight lead groove is one.
为了使内针座6及外针座4沿活检针本体轴线方向运动，本体公本体7和本体母本体8的侧边对应设有长槽，长槽与本体轴线方向平行，长槽与凹槽上的凸起长条滑动连接，迫使内针座6及外针座4沿本体轴线方向直线运动，穿刺方向不会发生偏移。In order to make the inner needle seat 6 and the outer needle seat 4 move along the axis of the biopsy needle body, the sides of the male body 7 and the female body 8 are correspondingly provided with long grooves. The protruding strip on the upper part is slidably connected, forcing the inner needle seat 6 and the outer needle seat 4 to move linearly along the axis direction of the body, and the puncturing direction will not be offset.
为了对旋钮Ⅱ12进行限位，腔室Ⅱ的外侧设有前端挡块3，前端挡块3与本体公半体7和本体母半体8卡接，外针2和内针1穿过前端挡块3。In order to limit the position of the knob II 12, the outer side of the chamber II is provided with a front end stopper 3, the front end stopper 3 is snapped with the main body male half body 7 and the main body female half body 8, and the outer needle 2 and the inner needle 1 pass through the front end stopper Block 3.
为了便于取样，内针1上设有取样槽。In order to facilitate sampling, the inner needle 1 is provided with a sampling groove.
在进行活检前，内针1处在外针2的内部腔室Ⅱ中外针座4与前端挡块3相贴的腔室Ⅱ侧壁相贴，外针座4上的凸起长条处在腔室Ⅱ长槽的最下端，腔室Ⅱ中的弹簧5处于自然状态，外针座4上对称的卡位倒扣处于分开状态，腔室Ⅰ中内针座6与腔室Ⅰ的内部相贴，内针座6上的凸起长条处在腔室Ⅰ的长槽的最下端，腔室Ⅰ中的弹簧5处于自然状态，内针座6上对称的卡位倒扣处于分开状态，顶腔中的击发器9与顶腔的外端抵接，限位挡板处在自然状态。Before biopsy, the inner needle 1 is located in the inner chamber II of the outer needle 2, the outer needle seat 4 is in contact with the side wall of the chamber II where the front end stopper 3 is attached, and the raised strip on the outer needle seat 4 is in the cavity At the bottom end of the long groove of chamber II, the spring 5 in chamber II is in a natural state, the symmetrical buckle on the outer needle seat 4 is in a separated state, and the inner needle seat 6 in chamber I is in contact with the interior of chamber I , the raised strip on the inner needle seat 6 is at the lowest end of the long groove of the chamber I, the spring 5 in the chamber I is in a natural state, the symmetrical buckle on the inner needle seat 6 is in a separated state, and the top The trigger 9 in the cavity is in contact with the outer end of the top cavity, and the limiting baffle is in a natural state.
之后对活检针进行上膛，首先一手握手柄10，另一手握旋钮Ⅰ11，顺时针旋转旋钮Ⅰ11，使内针座6上的圆柱销沿着旋钮Ⅰ11内部的螺旋导程槽向上滑动，同时带动内针座6在腔室Ⅱ中向上移动，弹簧5被压缩，直至内针座6上的卡位倒扣与腔室Ⅰ上面的通孔相贴，对称分开的卡位倒扣在通孔的导向下相互闭合进而穿过通孔，穿过通孔后，闭合的两个卡位倒扣迅速分开，卡在通孔的外沿上，此时内针座6上的圆柱销处在旋钮Ⅰ11内螺旋导程槽的终点位置（直导程槽的起点位置）；手握旋钮Ⅱ12，顺时针旋转旋钮Ⅱ12，使外针座4上的圆柱销沿着旋钮Ⅱ12内部的螺旋导程槽向上滑动，同时带动内针座6在腔室Ⅱ中向上移动，弹簧5被压缩，直至外针座4上的卡位倒扣与腔室Ⅱ上面的通孔相贴，对称分开的卡位倒扣在通孔的导向下相互闭合进而穿过通孔，穿过通孔后，闭合的两个卡位倒扣迅速分开，卡在通孔的外沿上，此时外针座4上的圆柱销处在旋钮Ⅱ12内螺旋导程槽的终点位置（直导程槽的起点位置）。After loading the biopsy needle, first hold the handle 10 in one hand and the knob I11 in the other hand, and rotate the knob I11 clockwise, so that the cylindrical pin on the inner needle seat 6 slides up along the spiral lead groove inside the knob I11, and drives the inner needle at the same time. The needle seat 6 moves upward in the chamber II, and the spring 5 is compressed until the latching position on the inner needle base 6 is in contact with the through hole on the chamber I, and the symmetrically separated latching position is in the guide of the through hole. The bottoms are closed to each other and then pass through the through hole. After passing through the through hole, the two closed buckles are quickly separated and stuck on the outer edge of the through hole. At this time, the cylindrical pin on the inner needle seat 6 is located in the knob I11. The end position of the spiral lead groove (the starting point of the straight lead groove); hold the knob II12 and rotate the knob II12 clockwise, so that the cylindrical pin on the outer needle seat 4 slides up along the spiral lead groove inside the knob II12, At the same time, the inner needle seat 6 is driven to move upward in the chamber II, and the spring 5 is compressed until the inverted buckle on the outer needle seat 4 is in contact with the through hole above the chamber II, and the symmetrically separated retaining positions are inverted in the through hole. Under the guidance of the holes, they are closed to each other and then pass through the through holes. After passing through the through holes, the two closed buckles are quickly separated and clamped on the outer edge of the through holes. At this time, the cylindrical pin on the outer needle seat 4 is at The end position of the helical lead groove in the knob II12 (the starting point of the straight lead groove).
将上膛的活检针移至需要取样的部位，用拇指轻轻按下击发器9，使击发器9向腔室Ⅰ的方向滑动，直至击发器9上的击发开口与内针座6上的卡位倒扣相接处，使对称的两半卡位倒扣在击发器9的击发开口作用下闭合，之后内针座6随着击发器9的下移而向后移动，随后卡位倒扣退出通孔，内针座6在压缩弹簧5的回弹力作用下，使得圆柱销在旋钮Ⅰ11中的直导程槽中向下滑动直至直导程槽的终点位置，同时内针座6上的凸起长条在腔室Ⅰ两侧的长槽中向下滑动至下端，此时弹簧5处于自然状态，内针座6的底面与腔室Ⅰ的内底面相贴，内针1向取样部位发射，使待检组织充满内针1上的样品槽中；内针座6上的击发开口与外针座4上的卡位倒扣作用，使外针座4上对称的两半卡位倒扣在内针座6上的击发开口作用下闭合，之后外针座4随着内针座6的下移而向后移动，随后卡位倒扣退出通孔，外针座6在压缩弹簧5的回弹力作用下，使得圆柱销在旋钮Ⅰ11中的直导程槽中向下滑动直至直导程槽的终点位置，同时外针座4上的凸起长条在腔室Ⅱ两侧的长槽中向下滑动至下端，此时弹簧5处于自然状态，外针座4的底面与腔室Ⅱ的内底面相贴，外针2向取样部位发射，外针2将样品组织切割下来并保存在样品槽中，手握手柄10，将活检针拔出。Move the loaded biopsy needle to the site that needs to be sampled, press the trigger 9 gently with the thumb, and slide the trigger 9 towards the direction of the chamber I until the firing opening on the trigger 9 and the clip on the inner needle holder 6 At the junction of the inverted buckles, the symmetrical two halves of the inverted buckles are closed under the action of the firing opening of the trigger 9, and then the inner needle seat 6 moves backward with the downward movement of the trigger 9, and then the inverted buckles are locked in place. Out of the through hole, the inner needle seat 6 will slide down in the straight lead groove in the knob I11 under the rebound force of the compression spring 5 until the end position of the straight lead groove, and at the same time the inner needle seat 6 The raised strip slides down to the lower end in the long grooves on both sides of the chamber I. At this time, the spring 5 is in a natural state, the bottom surface of the inner needle seat 6 is in contact with the inner bottom surface of the chamber I, and the inner needle 1 faces the sampling site. launch, so that the tissue to be inspected fills the sample groove on the inner needle 1; the firing opening on the inner needle base 6 and the latching position on the outer needle base 4 are inverted, so that the symmetrical two halves on the outer needle base 4 are clamped upside down. The buckle is closed under the action of the firing opening on the inner needle seat 6, and then the outer needle seat 4 moves backward with the downward movement of the inner needle seat 6, and then the latch is inverted and exits the through hole, and the outer needle seat 6 is compressed by the spring 5. Under the action of the rebound force, the cylindrical pin slides down in the straight lead groove in the knob I11 until the end position of the straight lead groove, and at the same time, the raised strips on the outer needle seat 4 are long on both sides of the chamber II. The groove slides down to the lower end. At this time, the spring 5 is in a natural state, the bottom surface of the outer needle seat 4 is in contact with the inner bottom surface of the chamber II, the outer needle 2 is fired to the sampling site, and the outer needle 2 cuts the sample tissue and saves it. In the sample tank, hold the handle 10 and pull out the biopsy needle.
取出样品组织，一手握手柄10，另一手旋转旋钮Ⅱ12，顺时针旋转旋钮Ⅱ12，使外针座4上的圆柱销沿着旋钮Ⅱ12内部的螺旋导程槽向上滑动，同时带动内针座6在腔室Ⅱ中向上移动，弹簧5被压缩，使外针2向上移动，样品槽漏出，取出样品组织。Take out the sample tissue, hold the handle 10 in one hand, turn the knob II12 with the other hand, and turn the knob II12 clockwise, so that the cylindrical pin on the outer needle seat 4 slides up along the spiral lead groove inside the knob II12, and drives the inner needle seat 6 to move upward. The chamber II moves upward, the spring 5 is compressed, the outer needle 2 moves upward, the sample groove leaks out, and the sample tissue is taken out.
本发明专利的另一种实施例可为内针座6、外针座4的凹槽两侧分别设有圆柱销，与此相匹配的旋钮旋钮Ⅰ11、旋钮Ⅱ12内部的螺旋导程槽为双头螺纹，直导程槽为两条，直导程槽对称分布在圆柱内表面上，直导程槽的终点与双头螺纹的起点重合，双头螺纹的终点与直导程槽的起点重合。Another embodiment of the patent of the present invention may provide cylindrical pins on both sides of the grooves of the inner needle seat 6 and the outer needle seat 4, respectively, and the spiral lead grooves inside the matching knobs Knob I11 and Knob II12 are double-sided. The head thread has two straight lead grooves. The straight lead grooves are symmetrically distributed on the inner surface of the cylinder. The end point of the straight lead groove coincides with the starting point of the double-start thread. .
本发明提供的一种全自动型活检针，通过设置击发器、内针座、外针座、通孔等相互配合，实现内针和外针依次自动化穿刺，使得操作更方便，减少了操作失误；通过设置旋钮Ⅰ和旋钮Ⅱ分别与内针座和外针座相配合，方便操作者轻松实现卡位上膛，结构简单，便于操作，适用性强。The fully automatic biopsy needle provided by the present invention realizes the automatic puncturing of the inner needle and the outer needle in sequence by setting a trigger, an inner needle seat, an outer needle seat, a through hole, etc. to cooperate with each other, which makes the operation more convenient and reduces the operation errors. ;By setting the knob I and knob II to be matched with the inner needle seat and the outer needle seat respectively, it is convenient for the operator to easily realize the card position loading, the structure is simple, the operation is convenient, and the applicability is strong.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346851.4ACN109965917A (en) | 2019-04-27 | 2019-04-27 | A fully automatic biopsy needle |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910346851.4ACN109965917A (en) | 2019-04-27 | 2019-04-27 | A fully automatic biopsy needle |
| Publication Number | Publication Date |
|---|---|
| CN109965917Atrue CN109965917A (en) | 2019-07-05 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910346851.4APendingCN109965917A (en) | 2019-04-27 | 2019-04-27 | A fully automatic biopsy needle |
| Country | Link |
|---|---|
| CN (1) | CN109965917A (en) |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication | Application publication date:20190705 |