CN214804927U

CN214804927U - Semi-automatic suction cell biopsy device

Info

Publication number: CN214804927U
Application number: CN202120400029.4U
Authority: CN
Inventors: 邹磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-23
Filing date: 2021-02-23
Publication date: 2021-11-23
Anticipated expiration: 2031-02-23

Abstract

The utility model discloses a semi-automatic suction cell biopsy ware is provided with reciprocating motion mechanism in its casing, the last syringe cylinder gripper that is provided with of reciprocating motion mechanism, be provided with in the casing and connect in reciprocating motion mechanism's the plug-type electro-magnet that runs through, still be provided with battery, solenoid and controller in the casing, the controller is used for control run through plug-type electro-magnet and solenoid circular telegram and outage, solenoid magnetism is connected with magnetism and inhales the part, and magnetism is inhaled the part and is connected in the piston rod of syringe. The utility model discloses a semi-automatic suction cell biopsy ware passes through the syringe gripper and fixes the syringe, then utilizes plug-type electro-magnet to promote the syringe and puncture, and the magnetic force that the solenoid circular telegram produced afterwards drives the piston rod and realizes sucking the cell function, can adjust operating frequency, puncture degree of depth and suction volume as required moreover, and repetitive operation only needs the manual change syringe to realized high-efficient, standardized ground cell extraction work.

Description

Semi-automatic suction cell biopsy device

Technical Field

The utility model relates to a detection device technical field, in particular to semi-automatic suction cell biopsy ware.

Background

In the field of current medical examination, in the process of diagnosis of diseases such as tumors and lumps, cells at a focus part are often extracted by adopting a fine needle aspiration cell biopsy operation for laboratory diagnosis, and the fine needle aspiration cell biopsy operation is to extract a cell specimen by puncturing a puncture needle or a 5ml syringe which is held by a doctor or an apprentice in a puncturing operation. However, the puncture sampling method depends on the personal technology accumulation of doctors, the operation difficulty is high for inexperienced doctors, the sampling parameters cannot be determined in advance according to different sampling requirements, the standard puncture sampling cannot be realized, and the puncture efficiency of the puncture method is low.

Therefore, there is a need in the art for a biopsy device that is simple to operate and that can achieve standardized needle sampling.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a semi-automatic suction cell biopsy ware has solved the problem that the grasp degree of difficulty is big, can't carry out standardized operation that present artifical puncture exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a semi-automatic suction cell biopsy device comprises a shell, wherein a reciprocating mechanism is arranged at the bottom of the front end in the shell, a syringe needle cylinder clamping device is arranged on the reciprocating mechanism, the syringe needle cylinder clamping device is used for clamping a syringe needle cylinder, a penetrating push-pull electromagnet is arranged in the shell and connected to the reciprocating mechanism, the penetrating push-pull electromagnet is used for driving the reciprocating mechanism to reciprocate along a puncture direction, a battery, an electromagnetic coil and a controller are further arranged in the shell, the battery is used for supplying power to the controller, the electromagnetic coil and the penetrating push-pull electromagnet, the controller is electrically connected with the penetrating push-pull electromagnet through a control switch, the controller is electrically connected with the electromagnetic coil through the control switch, the controller is used for controlling the penetration push-pull electromagnet and the electromagnetic coil to be powered on and powered off, the magnetic coil is connected with a magnetic part in a magnetic way, and the magnetic part is connected with a piston rod of the injector.

Further, the reciprocating mechanism comprises a slide rail arranged at the bottom of the front end in the shell.

Furthermore, the reciprocating mechanism further comprises a ball arranged on the slide rail.

Furthermore, the syringe needle cylinder clamping device is provided with a clamping groove which is adaptive to the shape of the syringe needle cylinder, and the clamping groove is connected with a syringe handle clamping groove corresponding to the syringe needle cylinder handle.

Furthermore, the penetrating push-pull electromagnet comprises a push-pull electromagnet reciprocating shaft rod and a spring sleeved on the push-pull electromagnet reciprocating shaft rod, and one end, far away from the spring, of the push-pull electromagnet reciprocating shaft rod is connected to the reciprocating mechanism.

Furthermore, the device also comprises a reciprocating shaft rod amplitude control baffle plate which is used for adjusting the stroke of the reciprocating shaft rod of the push-pull electromagnet.

Furthermore, a reciprocating amplitude display bar is arranged on the shell and used for displaying the stroke range of the reciprocating shaft rod of the push-pull electromagnet.

Furthermore, the magnetic suction piece of the magnetic suction component is connected with a piston rod draw hook which is connected with a piston rod of the injector.

Furthermore, the piston rod draw hook is rotatably arranged on the magnetic attraction piece.

Furthermore, a reset tension spring is arranged in the shell and connected to the magnetic attraction piece.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a semi-automatic suction cell biopsy ware passes through the syringe gripper and fixes the syringe, then utilizes plug-type electro-magnet to promote the syringe and puncture, and the magnetic force that the solenoid circular telegram produced afterwards drives the piston rod and realizes sucking the cell function, can adjust operating frequency, puncture degree of depth and suction volume as required moreover, and repetitive operation only needs the manual change syringe to realized high-efficient, standardized ground cell extraction work.

Drawings

FIG. 1 is a front view of a semi-automatic aspiration cell biopsy device of the present invention;

FIG. 2 is a top view of the semi-automatic aspiration cell biopsy device of the present invention;

FIG. 3 is a cross-sectional view of the semi-automatic aspiration cell biopsy device of the present invention.

In the figure: 1. a power switch; 2. a shell, 3. a frequency adjusting button; 4. a reciprocating amplitude display bar; 5. a syringe barrel retainer; 6. a syringe handle clamping groove; 7. a piston rod draw hook; 8. a through push-pull electromagnet; 9. a controller; 10. a battery; 11. the reciprocating shaft lever amplitude control baffle; 12. an electromagnetic coil; 13. a reciprocating mechanism; 14. a magnetic attraction sheet; 15. a return tension spring; 16. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a semi-automatic suction cell biopsy device, including casing 2, the front end opening of casing 2, casing 2 are close to the open-ended front portion and are provided with reciprocating mechanism 13, are provided with syringe cylinder gripper 5 on this motion reciprocating mechanism 13, syringe cylinder gripper 5 is used for holding the cylinder of syringe, the position that is close to the rear portion in casing 2 is provided with run-through push-pull electromagnet 8, run-through push-pull electromagnet 8 is connected with reciprocating mechanism 13, run-through electromagnet 8 is used for driving reciprocating mechanism 13 along the direction of puncture reciprocating, still be provided with battery 10, solenoid 12 and controller 9 in casing 2, battery 10 is used for to controller 9, solenoid 12 and run-through push-pull electromagnet 8 power supply, 2 outsides of casing are provided with control the utility model discloses a switch 1 of cell biopsy ware, controller 9 through the control switch electricity connect in run through plug-type electro-magnet 8, controller 9 still through the control switch electricity connect in solenoid 12, controller 9 is used for controlling respectively run through plug-type electro-magnet 8 and solenoid 12 circular telegram and outage, solenoid 12 magnetism is connected with magnetism and inhales the part, and magnetism is inhaled the part and is set up on this reciprocating motion mechanism 13, and this magnetism is inhaled the part and is connected in the piston rod of syringe.

By arranging the through push-pull electromagnet 8, the reciprocating motion of the reciprocating shaft rod of the push-pull electromagnet can drive the reciprocating motion mechanism 13 to move along the puncture direction when the through push-pull electromagnet 8 is powered on or powered off, and further drive the syringe clamping device 5 on the reciprocating motion mechanism 13 and the syringe clamped in the syringe clamping device 5 to move, so that the puncture action is finished; then the electromagnetic coil 12 is electrified to generate magnetic force, the magnetic attraction component moves towards the electromagnetic coil 12 under the action of the magnetic force, the piston rod of the injector is driven by the magnetic attraction component to move and simultaneously complete the action of cell suction, after the puncture suction work is completed, the push-pull electromagnet reciprocating shaft rod penetrating through the push-pull electromagnet 8 moves backwards to drive the reciprocating motion mechanism 13, the injector needle cylinder holder 5 and the injector in the injector needle cylinder holder 5 to move backwards, so that the needle head of the injector exits from the puncture part of the human body, and then the injector is taken out to complete the work of sucking cells once.

Further, the reciprocating mechanism 13 includes a slide rail disposed at the bottom of the front end in the housing 2, and the slide rail makes the friction force when the reciprocating mechanism 13 moves smaller. In this embodiment, a slide rail is also provided on the top of the reciprocating mechanism 13, thereby further ensuring the puncturing direction and reducing the sliding friction force.

Further, the reciprocating mechanism 13 further includes a ball 16 disposed on the slide rail. By providing the balls 16, the sliding friction is changed to rolling friction, thereby further reducing the friction force, so that the movement of the reciprocating mechanism 13 is more accurate.

Specifically, the syringe retainer 5 has a slot adapted to the syringe shape of the syringe, and the syringe of the syringe is placed and fixed in the box through the slot. Furthermore, in order to avoid the displacement of the syringe of the injector in the clamping groove, the two sides of the clamping groove are also connected with the syringe handle clamping grooves 6 corresponding to the syringe handles of the injector, and when the syringe of the injector is placed into the clamping groove of the syringe clamping device 5 of the injector, the syringe handles are also correspondingly clamped in the syringe handle clamping grooves 6, so that the injector is further ensured not to be displaced in the puncturing process, and the puncturing accuracy is ensured.

Specifically, run through plug-type electro-magnet 8 and include the reciprocal axostylus axostyle of plug-type electro-magnet and the spring of locating on this reciprocal axostylus axostyle of plug-type electro-magnet, the reciprocal axostylus axostyle of plug-type electro-magnet keeps away from one end of spring and connects in reciprocating mechanism. When the push-pull electromagnet 8 is powered on or off, the push-pull electromagnet reciprocating shaft rod can drive the reciprocating mechanism to reciprocate.

Furthermore, in order to adjust the puncture depth of the injector according to different conditions and diseased parts, the cell biopsy device of the utility model also comprises a reciprocating shaft lever amplitude control baffle plate, wherein the reciprocating shaft lever amplitude control baffle plate 11 is used for adjusting the stroke of the reciprocating shaft lever of the push-pull type electromagnet. Particularly, the end of the spring sleeved on the reciprocating shaft lever of the push-pull electromagnet abuts against the amplitude control baffle plate 11 of the reciprocating shaft lever, and the reset position of the reciprocating shaft lever of the push-pull electromagnet can be adjusted by adjusting the position of the amplitude control baffle plate 11 of the reciprocating shaft lever. The adjustment mode of the reciprocating shaft lever amplitude control baffle 11 can be various, for example, a stroke channel of the reciprocating shaft lever amplitude control baffle 11 can be arranged, a plurality of clamping grooves are arranged on the stroke channel, and the position of the reciprocating shaft lever amplitude control baffle 11 can be fixed by clamping by arranging a protruding part corresponding to the clamping groove on the reciprocating shaft lever amplitude control baffle 11; it can also set up the external screw thread pole at the front end of reciprocal axostylus axostyle amplitude control baffle 11 as shown in fig. 3, set up on casing 2 with this external screw thread pole assorted screw thread section of thick bamboo, through rotating the screw thread section of thick bamboo, make reciprocal axostylus axostyle amplitude control baffle 11 forward or backward movement to become the linear motion of reciprocal axostylus axostyle amplitude control baffle 11 with the screw motion, the utility model discloses do not limit to this. Moreover, a reciprocating amplitude display bar 4 can be arranged on the surface of the shell 2, the reciprocating amplitude display bar 4 is used for displaying the stroke range of the reciprocating shaft lever of the push-pull type electromagnet, and the puncture depth regulated and limited by the reciprocating shaft lever amplitude control baffle 11 is displayed.

Furthermore, the magnetic attraction part is a magnetic attraction piece 14, the position of the magnetic attraction piece 14 corresponds to that of the electromagnetic coil 12, the magnetic attraction piece 14 is connected with a piston rod draw hook 7, and the piston rod draw hook 7 is connected with a piston rod of the injector. The magnetically attracted pieces 14 are iron pieces in this embodiment. The piston rod draw hook 7 is used for drawing the piston rod of the injector to move so as to suck cells, so that the piston rod draw hook 7 can be contacted with the end of the piston rod of the injector so as to draw the piston rod of the injector to move; the piston rod draw hook 7 can also be provided with a bayonet to clamp the piston rod of the injector for dragging.

Furthermore, when changing the syringe, need conveniently deviate from the piston rod of last syringe from piston rod drag hook 7, be fixed in the piston rod drag hook 7 with the piston rod of next syringe on, consequently the utility model discloses rotate piston rod drag hook 7 and set up in magnetism suction disc 14, realize breaking away from fast and block the action to the syringe piston rod through rotating piston rod drag hook 7. Or the hook head of the piston rod drag hook 7 can be arranged at the end of the rod body of the piston rod drag hook 7 in a rotating way, and the piston rod of the previous syringe can be separated from the piston rod drag hook 7 only by rotating the hook head, so that the piston rod of the syringe can be taken out.

Further, a return tension spring 15 is provided in the housing, and one end of the return tension spring 15 is connected to the magnetic attraction sheet 14 and the other end is fixed to the reciprocating mechanism 13. When the magnetic attraction sheet 14 moves towards the electromagnetic coil 12 under the attraction of the electromagnetic coil 12, the reset tension spring 15 stretches; when the electromagnetic coil 12 is powered off, the reset tension spring 15 retracts to drive the magnetic attraction piece 14 to reset.

Further, the utility model discloses still set up the frequency adjustment button 3 of being connected with controller 9 on 2 surfaces of casing, through controller 9 predetermine the on-off time and the frequency of switch with frequency adjustment button 3 corresponds, thereby pass through frequency adjustment button 3 can adjust puncture, the used time of suction cell, the frequency of adjustment suction cell biopsy promptly.

When in use, the syringe of the injector is placed in the clamping groove of the syringe clamping device 5, the syringe handle of the injector is just positioned in the clamping groove 6 of the syringe handle, the syringe needle is exposed out of the syringe clamping device 5, the piston rod draw hook 7 is connected with the piston rod end of the injector, the cell biopsy device of the hand-held utility model ensures that the syringe needle is just opposite to the human body part, the power switch 1 is switched on, then the work of the switch is controlled by the controller 9 to lead the push-pull electromagnet 8 to work, the reciprocating shaft lever compression spring of the push-pull electromagnet further pushes the reciprocating mechanism 13 and each part on the reciprocating mechanism 13 to move, the syringe needle enters the human body to complete the puncture action according to the preset puncture distance, then the controller 9 controls the electromagnetic coil 12 to be electrified, the magnetic force generated by the electromagnetic coil 12 drives the iron sheet and the piston rod draw hook 7 on the iron sheet, so that the piston rod 7 drives the piston rod of the injector to draw outwards, negative pressure is generated in a needle cylinder of the injector to finish the action of sucking cells, after the cell sucking is finished, the controller 9 controls the reciprocating shaft lever of the push-pull type electromagnet to reset, so that the needle head of the injector is finally driven to be pulled out, then the injector is taken down, the electromagnetic coil 12 is powered off, and the tension spring 15 is reset to reset the iron sheet and the piston rod drag hook 7. The next syringe can be loaded to carry out the next puncture and suction action.

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

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A semi-automatic aspiration cell biopsy device is characterized in that: the puncture needle comprises a shell, wherein a reciprocating mechanism is arranged at the bottom of the front end in the shell, a syringe needle cylinder clamping device is arranged on the reciprocating mechanism and used for clamping a syringe needle cylinder, a through push-pull electromagnet is arranged in the shell and connected to the reciprocating mechanism and used for driving the reciprocating mechanism to reciprocate along a puncture direction, a battery, an electromagnetic coil and a controller are further arranged in the shell, the battery is used for supplying power to the controller, the electromagnetic coil and the through push-pull electromagnet, the controller is electrically connected with the through push-pull electromagnet through a control switch, the controller is also electrically connected with the electromagnetic coil through the control switch, and the controller is used for controlling the through push-pull electromagnet and the electromagnetic coil to be powered on and powered off, the magnetic coil is connected with a magnetic part in a magnetic way, and the magnetic part is connected with a piston rod of the injector.

2. A semi-automatic aspiration cell biopsy device according to claim 1, wherein: the reciprocating mechanism comprises a slide rail arranged at the bottom of the front end in the shell.

3. A semi-automatic aspiration cell biopsy device according to claim 2, wherein: the reciprocating mechanism further comprises a ball arranged on the sliding rail.

4. A semi-automatic aspiration cell biopsy device according to claim 1, wherein: the syringe needle cylinder clamping device is provided with a clamping groove which is adaptive to the shape of the syringe needle cylinder, and the clamping groove is connected with a syringe handle clamping groove corresponding to the syringe needle cylinder handle.

5. A semi-automatic aspiration cell biopsy device according to claim 1, wherein: the penetrating push-pull electromagnet comprises a push-pull electromagnet reciprocating shaft lever and a spring sleeved on the push-pull electromagnet reciprocating shaft lever, and one end, far away from the spring, of the push-pull electromagnet reciprocating shaft lever is connected to the reciprocating motion mechanism.

6. A semi-automatic aspiration cell biopsy device according to claim 5, wherein: the push-pull electromagnet reciprocating shaft control device further comprises a reciprocating shaft lever amplitude control baffle plate, and the reciprocating shaft lever amplitude control baffle plate is used for adjusting the stroke of the push-pull electromagnet reciprocating shaft lever.

7. A semi-automatic aspiration cell biopsy device according to claim 6, wherein: and a reciprocating amplitude display bar is arranged on the shell and used for displaying the stroke range of the reciprocating shaft lever of the push-pull type electromagnet.

8. A semi-automatic aspiration cell biopsy device according to claim 1, wherein: the magnetic suction part is connected with a piston rod drag hook which is connected with a piston rod of the injector.

9. A semi-automatic aspiration cell biopsy device according to claim 8, wherein: the piston rod draw hook is rotatably arranged on the magnetic attraction piece.

10. A semi-automatic aspiration cell biopsy device according to claim 8, wherein: a reset tension spring is arranged in the shell and connected with the magnetic attraction piece.