CN103315778A - Biopsy device - Google Patents
Biopsy device Download PDFInfo
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- CN103315778A CN103315778A CN201310258478XA CN201310258478A CN103315778A CN 103315778 A CN103315778 A CN 103315778A CN 201310258478X A CN201310258478X A CN 201310258478XA CN 201310258478 A CN201310258478 A CN 201310258478A CN 103315778 A CN103315778 A CN 103315778A
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Abstract
A biopsy device comprises a needle tubing, a needle tubing seat, a handle, a handle cover, a safety device, a needle core and a triggering switch. The handle is provided with a slideway. The slideway is provided with a positioning clamp. The needle tubing seat is slidably limited on the slideway. A spring guide column is fixed at the top of the handle. A spring is mounted between the spring guide column and the needle tubing seat. The needle core penetrates the spring guide column, the spring, the needle tubing seat and the needle tubing. The triggering switch is fixed at the top end of the needle core. A triggering column parallel with the needle core is fixed at the bottom of the triggering switch. A triggering head is disposed corresponding to the positioning clamp at the back of the slideway. The safety device is disposed on the triggering switch which comprises a safety column and a triggering button. The safety column can be abutted against the bottom of the triggering switch and the top of the handle and used for stopping the triggering head from being triggered to release the positioning clamp. The triggering button matched with the safety column is movably fixed at the bottom of the triggering switch and used for controlling the safety column to be abutted against or leave the bottom of the triggering switch and the top of the handle. By the biopsy device, accidental triggering during sampling can be avoided.
Description
Technical field
The present invention relates to a kind of biopsy device, especially relate to a kind of biopsy device with percussion discharge cock flexible when using.
Background technology
Biopsy device is a kind of medical apparatus and instruments, is applicable to the multiple organs such as kidney, liver, lung, mammary gland, thyroid, prostate, pancreas, testis, uterus, ovary, body surface, can be used for living tissue sampling, the absorption cell of cone tumor and not clear kind of tumor etc.Utilize outer pin detachable, injectable hemorrhage and treatment etc.Have light and handy, compact characteristics, easy to use.
After but existing biopsy device often easily winds up because of biopsy device in use, do not have fixedly biopsy device of effective safety, the situation that causes mistakenly hit to be sent out occurs; In addition, the installation of the needle tubing of biopsy device and be arranged on use after can not carry out several work, need to again carry out the puncture operation of biopsy device; Existing biopsy device because the imperfection of its 26S Proteasome Structure and Function easily makes the operator that operational error occurs, can not reduce patient's Biopsy number of times, and this has not only greatly reduced the efficient of biopsy operation, simultaneously especially to a kind of injury of patient.
Summary of the invention
The technical problem that the present invention solves provides a kind of biopsy device, makes the operator conveniently get exactly biopsy sample, has avoided mistakenly hit to send out and affect the generation of sampling situation.
Technical solution of the present invention is:
A kind of biopsy device, wherein, this biopsy device comprises: needle tubing, needle tubing seat, handle, handle cover, safety, nook closing member and percussion switch;
Described handle cover is fixed to described handle upper surface, and described needle tubing is fixed in described needle tubing seat bottom;
Described handle is that both sides have the circular hole that can pass finger, be provided with slideway between the two described circular holes, and described slideway is provided with locator card; Described needle tubing seat can be spacing on described slideway slidably, and the close corresponding described locator card of one side of described needle tubing seat and described slideway is provided with the location division;
Described handle top is fixed with the spring lead, between this spring lead and the described needle tubing seat spring is installed, and described nook closing member wears described spring lead, spring, needle tubing seat and needle tubing;
Described nook closing member top is fixed with percussion switch, described percussion switch is provided with the platform that the enough palms of the hand of an energy are pressed, one percussion post is parallel to the bottom surface that described nook closing member is fixed in described percussion switch, this percussion post bottom is provided with the percussion head, the locator card setting at this percussion corresponding described slideway back side is in order to discharge by the location division of described locator card buckle; The described slideway back side is provided with through slot, and described percussion head can catch on described needle tubing seat and move up when moving up;
Described percussion switch is provided with safety, and these safety comprise safety pole and percussion button, and described safety pole can be resisted against the end face of described percussion switch bottom surface and handle, discharges described locator card in order to stop the percussion of described percussion head; The activity of described percussion button is fixed to described percussion switch bottom, and cooperates with described safety pole, is resisted against or gets out of the way in order to control described safety pole between the end face of described percussion switch bottom surface and described handle.
Above-mentioned biopsy device, wherein, the percussion button of described safety is a cylinder, be arranged in the open recess of described percussion switch bottom, and its length is greater than described open recess, the corresponding described percussion button of described safety pole is fixed to the end face of described handle; This percussion button can be in described open recess endwisely slipping or rotation perpendicular to axial direction along described percussion button; Be concaved with a release aperture on this percussion button one side, the corresponding described safety pole setting of this release aperture can be held described safety pole.
Above-mentioned biopsy device, wherein, described percussion button is provided with limiting stand in a side relative with described release aperture, and corresponding described limiting stand is provided with spacing conduit in the described open recess, described limiting stand can be in described spacing conduit along this percussion button endwisely slip or perpendicular to axial rotation one setpoint distance of this percussion button.
Above-mentioned biopsy device, wherein, the percussion button of described safety is a cylinder, be arranged in the open recess of described percussion switch bottom, and its length is greater than described open recess, described percussion button protrudes from the two ends of described open recess; This percussion button can be in described open recess along this percussion button endwisely slip or perpendicular to the axial rotation of this percussion button; Described safety pole is fixed in a wherein end of described percussion button, and promotion or the described percussion button of rotation perpendicular to axial direction can drive described safety pole and support or do not support described needle tubing seat end face vertically.
Above-mentioned biopsy device, wherein, the other end of described percussion button is fixed with control handle, and described percussion button slides or rotation in order to promote or to pull.
Above-mentioned biopsy device, wherein, described needle tubing top is fixedly connected with Rule head, and this Rule head can be tightened to needle tubing seat bottom.
Above-mentioned biopsy device wherein, is provided with at least two locator cards at a distance of a setpoint distance in the slideway of described handle, consists of at least two gears that wind up.
Above-mentioned biopsy device, wherein, described biopsy device is provided with two gears that wind up, and comprises the half groove gear of 10mm and the tankful gear of 20mm.
Above-mentioned biopsy device, wherein, the needle tubing of described biopsy device is provided with scale.
Above-mentioned biopsy device wherein, is fixed with the limited support that can dismantle on the described handle.
Learnt by above explanation, the present invention has advantages of as follows really:
Needle tubing of the present invention is fixed on the head of Rule, and Rule head can connect corresponding other device in order to inject or extracting liquid.Rule head screws with the needle tubing seat and cooperates, and the needle tubing seat slides in the slide rail of handle.Mounting spring in the middle of needle tubing seat and the spring lead, the spring lead is fixed on the handle.Nook closing member is fixed on the percussion switch, percussion switch and needle tubing seat matched in clearance, and percussion switch slides in the chute of handle, and the pulling percussion switch drives the slip of needle tubing seat, Compress Spring, makes nook closing member, needle tubing be in the state of winding up.Trigger percussion switch, needle tubing triggers, and finishes sampling.Safety are installed on the percussion switch, adopt push-and-pull or rotate 2 kinds of different modes and limited the movement of percussion switch, thereby play the effect of security insurance.Limited support is installed on the handle, in operation nook closing member, the needle tubing of whole biopsy device is played position-limiting action.
The present invention is used for obtaining biopsy from the soft tissue such as liver, kidney, prostate, breast, spleen, lymph node or various soft-tissue tumor.Purpose is to get exactly biopsy sample in order to make operator's convenience, and the present invention has avoided mistakenly hit to send out and affect the generation of sampling situation by the design of safety and limited support.When taking out biopsy device, by operation Rule head, needle tubing can be stayed the sample position, and is convenient simultaneously.Secondly, this biopsy device can allow operator's one hand operate, and makes sampling operation simpler, smooth and easy.
Description of drawings
Fig. 1 is the package assembly schematic diagram of biopsy device of the present invention;
Fig. 2 is the decomposition texture schematic diagram of biopsy device of the present invention;
Fig. 3 is the structural representation of the safety that move of biopsy device push-and-pull of the present invention;
Fig. 4 is the structural representation of the safety that rotatablely move of biopsy device of the present invention;
Fig. 5 is the structural representation that is fixed with safety pole on the percussion button of biopsy device of the present invention;
Fig. 6 is the handled percussion button structure of the tool of biopsy device of the present invention schematic diagram one;
Fig. 7 is the handled percussion button structure of the tool of biopsy device of the present invention schematic diagram two.
The main element label declaration:
The present invention:
1: handle cover 2: handle 21: slideway
22: locator card 23: circular hole 3: the needle tubing seat
4: needle tubing 41: Rule 5: nook closing member
6: spring lead 7: spring 8: percussion switch
81: percussion post 811: percussion 82: open recess
821: spacing conduit
9: limited support 10: percussion button 101: limiting stand
102: release aperture 103: safety pole B: control handle
The specific embodiment
A kind of biopsy device of the present invention, it is better, comprising: needle tubing, needle tubing seat, handle, handle cover, safety, nook closing member and percussion switch; Described handle cover is fixed to described handle upper surface, and described needle tubing is fixed in described needle tubing seat bottom; Described handle is that both sides have the circular hole that can pass finger, be provided with slideway between the two described circular holes, and described slideway is provided with locator card; Described needle tubing seat can be spacing on described slideway slidably, and the close corresponding described locator card of one side of described needle tubing seat and described slideway is provided with the location division; Described handle top is fixed with the spring lead, between this spring lead and the described needle tubing seat spring is installed, and described nook closing member wears described spring lead, spring, needle tubing seat and needle tubing; Described nook closing member top is fixed with percussion switch, described percussion switch is provided with the platform that the enough palms of the hand of an energy are pressed, one percussion post is parallel to the bottom surface that described nook closing member is fixed in described percussion switch, this percussion post bottom is provided with the percussion head, this excites a locator card setting at the corresponding described slideway back side, in order to discharge by the location division of described locator card buckle; The described slideway back side is provided with through slot, and described percussion head can catch on described needle tubing seat and move up when moving up; Described percussion switch is provided with safety, and these safety comprise safety pole and percussion button, and described safety pole can be resisted against the end face of described percussion switch bottom surface and handle, discharges described locator card in order to stop the percussion of described percussion head; The activity of described percussion button is fixed to described percussion switch bottom, and cooperates with described safety pole, is resisted against or gets out of the way in order to control described safety pole between the end face of described percussion switch bottom surface and described handle.
The present invention is used for obtaining biopsy from the soft tissue such as liver, kidney, prostate, breast, spleen, lymph node or various soft-tissue tumor.Make the operator conveniently get exactly biopsy sample, increased insurance and spacing design, avoided mistakenly hit to send out and affect the generation of sampling situation.By the described safety that are mounted on the percussion switch, can make the operation of biopsy device safer, simultaneously also more convenient, smooth and easy.
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
As shown in Figures 1 and 2, be the better embodiment of a kind of biopsy device of the present invention, wherein, this biopsy device comprises: needle tubing 4, needle tubing seat 3, handle 2, handle cover 1, safety, nook closing member 5 and percussion switch 8; Described handle cover 1 is fixed to described handle 2 upper surfaces, and its fixed form can be by the various modes commonly used such as fastenings, and this handle cover 1 is in order to encapsulate and the guard bit movable part such as the needle tubing seat 3 of section and spring 7 in the inner.Described needle tubing 4 is fixed in described needle tubing seat 3 bottoms, makes needle tubing seat 3 can drive needle tubing 4 when sliding and moves; The circular hole 23 that described handle 2 can pass finger for both sides have, identical with biopsy device commonly used, operator are by fastening two circular holes 23 with forefinger and middle finger (or nameless), and prop up described percussion switch 8 with palm of the hand correspondence, thereby hold this biopsy device with a firm grip; Specifically further, described circular hole 23 inner surfacies can be smooth arc-shaped surface, finger can not blocked because of the seamed edge of circular hole 23 when fastening circular hole 23 feel uncomfortable.Be provided with slideway 21 between the two described circular holes 23, and described slideway 21 is provided with locator card 22; Described needle tubing seat 3 can be spacing on described slideway 21 slidably, and described needle tubing seat 3 and the described slideway 21 close corresponding described locator cards 22 of one side are provided with the location division; Needle tubing seat 3 is spacing to described slideway 21 by slideway 21 fit structures commonly used, simultaneously, the locator card 22 of corresponding described slideway 21 bottoms, the location division at the back side of needle tubing seat 3 interacts, described locator card 22 is for having elastic coupler construction, when needle tubing seat 3 upward slidings during to locator card 22, after being pressed through locator card 22, locator card 22 just can lock location division up again, makes it can not down sliding; And after described locator card 22 is stirred by external force and decontroled the location division, just can discharge described location division, make the needle tubing seat 3 can down sliding.
Simultaneously, the top of described handle 2 is fixed with spring lead 6, between this spring lead 6 and the described needle tubing seat 3 spring 7 is installed, and described nook closing member 5 wears described spring lead 6, spring 7, needle tubing seat 3 and needle tubing 4; Concrete, the front of handle 2 is extruded with a top platform, and as shown in the figure, spring lead 6 is fixed on the described handle 2 by the mode (or other fixed forms) that is fixed, thereby makes spring 7 have a fixing top.Spring 7 is arranged between needle tubing seat 3 and the spring lead 6, nook closing member 5 is arranged in the above-mentioned parts, whereby, described needle tubing seat 3 can be along slideway 21 and the nook closing member 5 active force lower slider at spring 7, and spring 7 is in order to apply the elastic force (winding up) that resets for needle tubing seat 3.By the effect of spring 7, the locator card 22 in the slideway 21 of cooperation handle 2, the function of winding up of realization biopsy device, after locator card 22 was by percussion, needle tubing seat 3 punctured and cuts the sample tissue.
Described nook closing member 5 tops are fixed with percussion switch 8, described percussion switch 8 is provided with the platform that the enough palms of the hand of an energy are pressed, one percussion post 81 is parallel to the bottom surface that described nook closing member 5 is fixed in described percussion switch 8, these percussion post 81 bottoms are provided with percussion 811, this excites a locator card at corresponding described slideway 21 back sides 22 to arrange, in order to discharge by the location division of described locator card 22 buckles; Described slideway 21 back sides are provided with through slot, can catch on described needle tubing seat 3 when described percussion 811 moves up and move up; Operator drive described percussion post 81 and move up and down by this percussion switch 8 of push-and-pull, and the percussion of percussion on the post 81 811 then caught on described needle tubing seat 3 and together moved up in up process; Under the state of winding up, when this percussion post 81 is moved down, described percussion 811 is after moving a certain distance (generally being to move to percussion switch 8 bottom surfaces to contact with the end face of handle 2), described percussion 811 touchings are also outwards pushed described locator card 22, make locator card 22 decontrol the location division at needle tubing seat 3 back sides, whereby, needle tubing seat 3 can move down.
Described percussion switch 8 is provided with safety, these safety comprise safety pole 103 and percussion button 10, described safety pole 103 can be resisted against the end face of described percussion switch 8 bottom surfaces and handle 2, and the length of described safety pole 103 can make described percussion 811 touching less than described locator card 22, in order to stoping described percussion 811 percussions to discharge described locator card 22, thereby can't trigger the firing action of biopsy device; Described percussion button 10 activities are fixed to described percussion switch 8 bottoms, and cooperate with described safety pole 103, are resisted against in order to control described safety pole 103 between the end face of described percussion switch 8 bottom surfaces and handle 2.By operating this percussion button 10 actions, described safety pole 103 is resisted against between the end face of described percussion switch 8 bottom surfaces and handle 2 simultaneously, make the isolation that keeps a setpoint distance between two faces, stop trigger switch to contact with described locator card 22, keep the state of not pulling the trigger; Perhaps make not exist between the end face of described percussion switch 8 bottom surfaces and handle 2 and stop, get out of the way two surfaces, can directly contact after making two surperficial move toward one another, from face percussion switch 8 can be moved downward by percussion, and described percussion 811 can be touched and push described locator card 22 and be pulled the trigger this biopsy device.
Please refer to Fig. 2, Fig. 3 and shown in Figure 4, biopsy device of the present invention, in its better embodiment, the percussion button 10 of described safety is a cylinder, be arranged in the open recess 82 of described percussion switch 8 bottoms, and its length makes this cylinder have at least an end can give prominence to the two ends of this open recess 82 greater than described open recess 82, and formation can be convenient to people's hand-guided control part.Further, the openings of sizes of described open recess 82 is less than the diameter of described percussion button 10, makes being stuck in this open recess 82 that percussion button 10 can be firm, and is unlikely to come off.Described safety pole 103 corresponding described percussion buttons 10 are fixed to the end face of described handle 2; This percussion button 10 can be in described open recess 82 interior endwisely slipping or rotation perpendicular to axial direction along described percussion button 10; Be concaved with a release aperture 102 on these percussion button 10 1 sides, these release aperture 102 corresponding described safety poles 103 arrange, and can hold described safety pole 103.As shown in the figure, when described percussion button 10 for can along its axially by about when promoting, in the coverage that described percussion button 10 is promoted back and forth, be provided with two discharge cock states, one is when described release aperture 102 is aimed at described safety pole 103, thereby this safety pole 103 can be received to described release aperture 102 to release aperture 102 interior movements, thereby reaches the purpose of cancellation insurance; Another is when described release aperture 102 staggers with described safety pole 103, if percussion switch 8 moves downward, then described safety pole 103 will be supported the lower surface of described percussion button 10, make percussion switch 8 can't continue to move downward, thereby needle tubing seat 3 can't be pulled the trigger, reach the purpose of opening safety.In like manner, if described percussion button 10 is vertical its structure that axially rotates, at first be, when the release aperture 102 of described percussion button 10 is rotated to punctual with 103 pairs of described safety poles, then thereby this safety pole 103 can be received to described release aperture 102 to release aperture 102 interior movements, allow percussion switch 8 to move downward ultimate range, thereby reach the purpose of cancellation insurance; Next is, when the described percussion button 10 of rotation, when described release aperture 102 is staggered with described safety pole 103, if percussion switch 8 moves downward, then described safety pole 103 will be supported the lower surface of described percussion button 10, make percussion switch 8 can't continue to move downward, thereby percussion switch 8 can't be pulled the trigger, reach the purpose of opening safety.
Referring again to Fig. 2, Fig. 3 and shown in Figure 4, aforesaid biopsy device of the present invention, in the preferred embodiment, described percussion button 10 is provided with limiting stand 101 in a side relative with described release aperture 102, and the described limiting stand 101 of described open recess 82 interior correspondences is provided with spacing conduit 821, described limiting stand 101 can in described spacing conduit 821 interior along this percussion button 10 endwisely slip or perpendicular to axial rotation one setpoint distance of this percussion button 10.Concrete, as shown in Figure 3, corresponding percussion button 10 is along its on-off mode in axial sliding, 101 corresponding strips of described limiting stand along its axially extended spacing conduit 821 then, when percussion button about 10 moves around, 101 of this limiting stands are passed about this spacing conduit 821 is interior, make percussion button 10 spacing mobile in the setpoint distance of this conduit, can not break away from this percussion switch 8.On the other hand, as shown in Figure 4, corresponding percussion button 10 is the on-off mode of vertical axial rotation, then this spacing conduit 821 is the spacing conduit 821 of offering along the arc surface of open recess 82 medial surface, the scope that this limiting stand 101 is set in these spacing conduit 821 interior lateral rotation one, simultaneously, this percussion button 10 can not be endwisely slipped along it.
See also Fig. 5 and shown in Figure 7, biopsy device of the present invention, among its another better embodiment, the percussion button 10 of described safety is a cylinder, be arranged in the open recess 82 of described percussion switch 8 bottoms, and its length is greater than described open recess 82, and described percussion button 10 protrudes from the two ends of described open recess 82, and wherein an end forms and can be convenient to people's hand-guided control part.Further, the openings of sizes of described open recess 82 is less than the diameter of described percussion button 10, makes being stuck in this open recess 82 that percussion button 10 can be firm, and is unlikely to come off.This percussion button 10 can in described open recess 82 interior along this percussion button 10 endwisely slip or perpendicular to the axial rotation of this percussion button 10; Described safety pole 103 is fixed in a wherein end of described percussion button 10, promotes vertically or the described percussion button 10 of rotation perpendicular to axial direction can drive described safety pole 103 and supports or get out of the way between the end face and percussion switch 8 bottom surfaces of described handle 2.As shown in the figure, when described percussion button 10 for can along its axially by about when promoting, in the coverage that described percussion button 10 is promoted back and forth, be provided with two discharge cock states, one is when described safety pole 103 is pushed into position outside the end face that leaves described handle 2, this safety pole 103 is cancelled the purpose of insuring not at the end face that can support handle 2 thereby reach; Another is when described safety pole 103 can be pulled in the scope of the end face of aiming at described handle 2, if percussion switch 8 moves downward, then described safety pole 103 will be supported the end face of described handle 2, make percussion switch 8 can't continue to move downward, thereby needle tubing seat 3 can't be pulled the trigger, reach the purpose of opening safety.In like manner, if described percussion button 10 is vertical its structure that axially rotates, at first be, when the safety pole 103 on the described percussion button 10 is rotated when being parallel to the end face of described handle 2, then this safety pole 103 supports the distance an of necessity between can not the bottom surface with the end face of handle 2 and percussion switch 8, thereby allow percussion switch 8 to move downward ultimate range, and reach the purpose that the cancellation insurance can make needle tubing 4 be pulled the trigger; Next is, when the described percussion button 10 of rotation, make described safety pole 103 when aiming at the end face of described handle 2, if percussion switch 8 moves downward, then described safety pole 103 will be supported the end face of described handle 2, make percussion switch 8 can't continue to move downward, thereby needle tubing seat 3 can't be pulled the trigger, reach the purpose of opening safety.
Aforesaid biopsy device of the present invention, it is better, and the other end of described percussion button 10 is fixed with control handle B, slides or rotation in order to promote or to pull described percussion button 10.Please refer to Figure 6 and Figure 7, be provided with control handle B after, can be convenient to the percussion rotation of button 10 and push-and-pull operation, convenient when making the operator operate these safety.Be particularly suitable for rotary-type percussion button 10, stir gently the operation that can realize the opening and closing safety with thumb.
Please refer to shown in Figure 2, aforesaid biopsy device of the present invention, better, described needle tubing 4 tops are fixedly connected with Rule 41, this Rule 41 can be tightened to needle tubing seat 3 bottoms.The top of needle tubing 4 is fixed on Rule 41, adopts between Rule 41 and the needle tubing seat 3 to revolve friction tight mode and fix; In addition, the needle tubing 4 that Rule 41 is installed also can connect corresponding other device in order to inject or extracting liquid, makes the purposes variation of needle tubing 4.In specific operation process, after biopsy device was finished sampling operation, operator selectable was selected rotation needle tubing Rule 41, and needle tubing 4 and biopsy device are thrown off, and takes out biopsy device, takes out sample from nook closing member 5 sampling grooves; And needle tubing 4 is also kept somewhere in sampling tissue place, can carry out aspiration sample, the repeatedly operation such as sampling.After perhaps biopsy device was finished sampling operation, operator selectable was selected direct taking-up biopsy device, and rotation Rule 41 is taken off needle tubing 4 and taken out samples.Also can be again for biopsy device winds up, wind up finish after, release nook closing member 5, take out sample.Split type needle tubing makes operation more easy and diversified.
Aforesaid biopsy device of the present invention in its better embodiment, is provided with at least two locator cards 22 at a distance of a setpoint distance in the slideway 21 of described handle 2, consists of at least two gears that wind up.In order to adapt to the demand of different biopsy operations, effectively control the size of the amount of sample collection.
It is better, and described biopsy device can be provided with two gears that wind up, the concrete half groove gear that can comprise 10mm and the tankful gear of 20mm.Above-mentioned gear is biopsy device sample length comparatively commonly used, and biopsy device of the present invention can be realized with a biopsy device operation of above-mentioned different sample lengths, for medical inspection work brings great convenience, has reduced cost.Certainly, sample length can be set according to real needs, not as limit.
Aforesaid biopsy device of the present invention, in its preferred embodiment, the needle tubing 4 of described biopsy device is provided with scale.Be provided with scale at needle tubing 4, can make things convenient for the degree of depth of accurately judging inserting needle; Especially when adopting the ultrasonic development technology, the accurate location during more convenient inserting needle.
Aforesaid biopsy device of the present invention in its preferred embodiment, is fixed with the limited support 9 that can dismantle on the described handle 2.In general operation usefulness, have with needs and adopt limited support 9 to prevent that inserting needle from crossing the problems such as dark, limited support 9 of the present invention adopts easy-to-dismount modes (such as modes such as buckles) to be fixed to handle 2 bottoms, and convenient operation the person optionally use.
Take above-mentioned wherein a kind of better embodiment as example, when biopsy device of the present invention uses, the operator takes out biopsy device, left hand is held handle 2, the right hand is held percussion switch 8, to the opposite direction of needle core tip pulling percussion switch 8, hear sound (being that locator card 22 blocks the location division) after, biopsy device winds up.Biopsy device 2 gears that winded up, the length 10mm of corresponding biopsy sampling groove, 20mm.Wind up finish after, by the operation safety, promote or rotation percussion button, can lockedly insure the safe condition that biopsy device is in do not pull the trigger.Require one-handed performance during the biopsy sampling, the circular hole 23 that is passed biopsy device handle Φ 21.5mm by right hand forefinger and middle finger fastens handle, again oppositely promotes or rotation percussion button, opens insurance, hand thumb promotes percussion switch, and the percussion biopsy device carries out sampling operation.
The above only is the schematic specific embodiment of the present invention, is not to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (10)
1. a biopsy device is characterized in that, this biopsy device comprises: needle tubing, needle tubing seat, handle, handle cover, safety, nook closing member and percussion switch;
Described handle cover is fixed to described handle upper surface, and described needle tubing is fixed in described needle tubing seat bottom;
Described handle is that both sides have the circular hole that can pass finger, be provided with slideway between the two described circular holes, and described slideway is provided with locator card; Described needle tubing seat can be spacing on described slideway slidably, and the close corresponding described locator card of one side of described needle tubing seat and described slideway is provided with the location division;
Described handle top is fixed with the spring lead, between this spring lead and the described needle tubing seat spring is installed, and described nook closing member wears described spring lead, spring, needle tubing seat and needle tubing;
Described nook closing member top is fixed with percussion switch, described percussion switch is provided with the platform that the enough palms of the hand of an energy are pressed, one percussion post is parallel to the bottom surface that described nook closing member is fixed in described percussion switch, this percussion post bottom is provided with the percussion head, the locator card setting at this percussion corresponding described slideway back side is in order to discharge by the location division of described locator card buckle; The described slideway back side is provided with through slot, and described percussion head can catch on described needle tubing seat and move up when moving up;
Described percussion switch is provided with safety, and these safety comprise safety pole and percussion button, and described safety pole can be resisted against the end face of described percussion switch bottom surface and handle, discharges described locator card in order to stop the percussion of described percussion head; The activity of described percussion button is fixed to described percussion switch bottom, and cooperates with described safety pole, is resisted against or gets out of the way in order to control described safety pole between the end face of described percussion switch bottom surface and described handle.
2. biopsy device as claimed in claim 1, it is characterized in that, the percussion button of described safety is a cylinder, is arranged in the open recess of described percussion switch bottom, and its length is greater than described open recess, and the corresponding described percussion button of described safety pole is fixed to the end face of described handle; This percussion button can be in described open recess endwisely slipping or rotation perpendicular to axial direction along described percussion button; Be concaved with a release aperture on this percussion button one side, the corresponding described safety pole setting of this release aperture can be held described safety pole.
3. biopsy device as claimed in claim 2, it is characterized in that, described percussion button is provided with limiting stand in a side relative with described release aperture, and corresponding described limiting stand is provided with spacing conduit in the described open recess, described limiting stand can be in described spacing conduit along this percussion button endwisely slip or perpendicular to axial rotation one setpoint distance of this percussion button.
4. biopsy device as claimed in claim 1, it is characterized in that, the percussion button of described safety is a cylinder, is arranged in the open recess of described percussion switch bottom, and its length is greater than described open recess, and described percussion button protrudes from the two ends of described open recess; This percussion button can be in described open recess along this percussion button endwisely slip or perpendicular to the axial rotation of this percussion button; Described safety pole is fixed in a wherein end of described percussion button, and promotion or the described percussion button of rotation perpendicular to axial direction can drive described safety pole and support or do not support described needle tubing seat end face vertically.
5. biopsy device as claimed in claim 4 is characterized in that, the other end of described percussion button is fixed with control handle, and described percussion button slides or rotation in order to promote or to pull.
6. such as the described biopsy device of claim 1 to 5 any one, it is characterized in that, described needle tubing top is fixedly connected with Rule head, and this Rule head can be tightened to needle tubing seat bottom.
7. biopsy device as claimed in claim 6 is characterized in that, is provided with at least two locator cards at a distance of a setpoint distance in the slideway of described handle, consists of at least two gears that wind up.
8. biopsy device as claimed in claim 7 is characterized in that, described biopsy device is provided with two gears that wind up, and comprises the half groove gear of 10mm and the tankful gear of 20mm.
9. biopsy device as claimed in claim 8 is characterized in that, the needle tubing of described biopsy device is provided with scale.
10. biopsy device as claimed in claim 9 is characterized in that, is fixed with the limited support that can dismantle on the described handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258478.XA CN103315778B (en) | 2013-06-26 | 2013-06-26 | Biopsy device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258478.XA CN103315778B (en) | 2013-06-26 | 2013-06-26 | Biopsy device |
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| CN103315778A true CN103315778A (en) | 2013-09-25 |
| CN103315778B CN103315778B (en) | 2015-03-25 |
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| CN201310258478.XA Active CN103315778B (en) | 2013-06-26 | 2013-06-26 | Biopsy device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110547830A (en) * | 2019-09-17 | 2019-12-10 | 哈尔滨理工大学 | Rotary biopsy gun |
| CN111067578A (en) * | 2020-01-17 | 2020-04-28 | 普昂(杭州)医疗科技有限公司 | Biopsy device of safe puncture |
| WO2020168482A1 (en) * | 2019-02-20 | 2020-08-27 | 王沁 | Biopsy needle having window |
| CN112472147A (en) * | 2019-09-12 | 2021-03-12 | 何杨 | Puncture biopsy needle |
| CN115211905A (en) * | 2022-07-11 | 2022-10-21 | 经方精密医疗（深圳）有限公司 | Biopsy needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108392229A (en) * | 2018-04-12 | 2018-08-14 | 上海埃斯埃医械塑料制品有限公司 | A kind of cell taking gun obtaining soft tissue |
| WO2020168482A1 (en) * | 2019-02-20 | 2020-08-27 | 王沁 | Biopsy needle having window |
| CN112472147A (en) * | 2019-09-12 | 2021-03-12 | 何杨 | Puncture biopsy needle |
| CN110547830A (en) * | 2019-09-17 | 2019-12-10 | 哈尔滨理工大学 | Rotary biopsy gun |
| CN110547830B (en) * | 2019-09-17 | 2022-07-19 | 哈尔滨理工大学 | Rotary biopsy gun |
| CN111067578A (en) * | 2020-01-17 | 2020-04-28 | 普昂(杭州)医疗科技有限公司 | Biopsy device of safe puncture |
| CN111067578B (en) * | 2020-01-17 | 2023-07-18 | 普昂(杭州)医疗科技有限公司 | Biopsy device of safe puncture |
| CN115211905A (en) * | 2022-07-11 | 2022-10-21 | 经方精密医疗（深圳）有限公司 | Biopsy needle |
| WO2024012037A1 (en) * | 2022-07-11 | 2024-01-18 | 经方精密医疗（深圳）有限公司 | Biopsy needle |
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