CN112641500B - Pusher and steam ablation equipment - Google Patents
Pusher and steam ablation equipment Download PDFInfo
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- CN112641500B CN112641500B CN202011622209.3A CN202011622209A CN112641500B CN 112641500 B CN112641500 B CN 112641500B CN 202011622209 A CN202011622209 A CN 202011622209A CN 112641500 B CN112641500 B CN 112641500B
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- seat
- base
- pushing
- clamping
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B33/00—Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
- F22B33/18—Combinations of steam boilers with other apparatus
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B2018/044—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating the surgical action being effected by a circulating hot fluid
Abstract
The invention relates to the technical field of medical instruments and discloses a pushing device and steam ablation equipment. The pushing device of the present invention includes: box, clamping device, thrust unit and controller, clamping device set up on the roof of box, and thrust unit sets up on the box, is located one side of clamping device, includes: the device comprises a pushing seat, a screw rod and a servo motor, wherein the servo motor is connected with the screw rod, and the screw rod is connected with the pushing seat. The pushing device is used for steam ablation equipment, the clamping device supports and clamps a horizontally placed injector, the controller controls the screw rod to rotate through the servo motor, the screw rod rotates to drive the pushing seat to move horizontally, the pushing seat pushes the plunger of the injector clamped by the clamping device along the horizontal direction, liquid in the injector is accurately output to the steam generating device of the steam ablation equipment, accurate output of steam is guaranteed, and applicability and adaptability of the steam ablation equipment are improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of medical instruments, in particular to a pushing device and steam ablation equipment.
Background
Steam ablation is a new non-implanted endoscopic intervention technology, a steam conduit is sent to a diseased part of a human organ by an endoscope, and steam acts on diseased tissues of the human body through the conduit to restore the functions of the human organ.
The existing steam ablation equipment mainly comprises: the device comprises a fixing device, a steam generating device and a conduit, wherein the injector is fixed on the fixing device, one end of the steam generating device is connected with an outlet of the injector, the other end of the steam generating device is connected with an input end of the conduit, liquid in the injector is conveyed to the steam generating device, the steam generating device converts the input liquid into steam and conveys the steam to the conduit, and the conduit is inserted into a human body to repair pathological change tissues of the human body through the steam.
However, in the existing steam ablation equipment, the replacement of the injector is inconvenient, and the liquid in the injector cannot be accurately output.
Disclosure of Invention
The invention aims to provide a pushing device and steam ablation equipment, so as to solve the problem of outputting liquid in an injector in the background technology.
An embodiment of the present invention provides a pushing apparatus, including: the device comprises a box body, a clamping device, a pushing device and a controller;
the clamping device is arranged on a top plate of the box body and is used for horizontally supporting and clamping the injector;
the pushing device is arranged on the box body and is positioned on one side of the clamping device;
the pushing device comprises: the pushing seat, the screw rod and the servo motor;
the servo motor is connected with the screw rod, the screw rod is connected with the pushing seat, the servo motor is used for driving the screw rod to rotate, and the screw rod is used for driving the pushing seat to push the plunger of the injector clamped by the clamping device along the horizontal direction when rotating;
the controller is electrically connected with the servo motor and used for controlling the opening and closing of the servo motor.
Based on the above scheme, the pushing device provided by the invention comprises a box body, a clamping device, a pushing device and a controller, wherein the clamping device is arranged on a top plate of the box body, and the pushing device is arranged on one side of the clamping device, and comprises: the device comprises a pushing seat, a screw rod and a servo motor, wherein the servo motor is connected with the screw rod, and the screw rod is connected with the pushing seat. The pushing device is used for steam ablation equipment, the clamping device is arranged on the top surface of the box body, and the injector is horizontally clamped and fixed, so that the injector is conveniently taken, placed and replaced; the controller controls the screw rod to rotate through the servo motor, the pushing seat is driven to move horizontally through the screw rod, the displacement of the pushing seat can be controlled accurately, the pushing seat pushes the plunger of the injector clamped by the clamping device in the horizontal direction, liquid in the injector is output to the steam generating device of the steam ablation equipment, the output quantity of the liquid in the injector can be controlled accurately, the accurate output of the steam is guaranteed, and the applicability and the adaptability of the steam ablation equipment are improved.
In one possible solution, the clamping device comprises: a first fixed seat;
the first fixed seat is arranged on a top plate of the box body, and two clamping jaw mechanisms which are arranged in mirror symmetry are arranged on the first fixed seat;
the gripper mechanism includes: the clamping block, the guide rod and the first spring;
the clamping block is slidably arranged on the first fixed seat;
the guide rod is arranged on the first fixed seat;
the first spring is sleeved on the guide rod, one end of the first spring is abutted against the guide rod, the other end of the first spring is abutted against the clamping blocks, the first spring is used for enabling the two clamping blocks to be close to each other, and the two clamping blocks are used for clamping the injector on the first fixing seat when being close to each other. The structure facilitates the replacement of the injector.
In one possible solution, the first fixing seat includes: the first base and the supporting seat;
the first base is provided with a rectangular lug;
the supporting seat is arranged on the rectangular convex block, and the top surface of the supporting seat is arc-shaped and used for horizontally placing the injector;
the two clamping jaw mechanisms are arranged on the first base in mirror symmetry and are respectively positioned on two sides of the rectangular convex block. The injector is placed on the circular arc-shaped top surface and can not roll.
In one possible solution, the clamping block comprises: a sliding seat, a sliding block and a clamping jaw;
the first base is provided with a first sliding chute;
the sliding block is arranged at the bottom of the sliding seat and is positioned in the first sliding groove, so that the sliding seat can be slidably arranged on the first base through the sliding block;
the clamping jaw is arranged on the sliding seat and used for clamping the injector. The sliding seat slides on the first base through the upper structure.
In one possible solution, the slide is provided with a first through hole in the shape of a step;
the guide rod penetrates through the first through hole, one end of the guide rod is fixed on the rectangular convex block, and the other end of the guide rod is provided with a limiting convex ring;
the first spring is sleeved on the guide rod, one end of the first spring is abutted against the limiting convex ring, and the other end of the first spring is abutted against the step shoulder of the first through hole. This structure makes things convenient for the setting of guide bar and first spring.
In a possible scheme, the rectangular convex block is provided with a rectangular groove, and a threaded hole is formed in the rectangular convex block at the rectangular groove;
the guide rod is far away from one end of the limiting convex ring, a connecting portion is arranged at one end of the guide rod, an installation through hole is formed in the connecting portion, the connecting portion is embedded into the rectangular groove and fixed on the rectangular convex block through a fixing bolt. The connecting part of the guide rod is embedded in the rectangular groove, so that the guide rod and the first base are conveniently connected and fixed.
In one possible solution, the clamping block further comprises: a silica gel gasket;
the slide is provided with a circular groove, the silica gel gasket is arranged in the circular groove, and the silica gel gasket protrudes out of the slide and is used for abutting against the rectangular lug. The impact of the sliding seat on the first base is buffered through the silica gel gasket.
In one possible solution, the clamping device further comprises: a limiting side plate;
one end of the injector is provided with a positioning plate;
the limiting side plate is arranged on the first base, and the limiting side plate and the sliding seat are arranged at intervals, so that a limiting groove is formed between the limiting side plate and the sliding seat, and the limiting groove is used for the positioning plate to be inserted. This structure realizes the accurate location of syringe on clamping device.
In one possible solution, the clamping device further comprises: a detection mechanism;
the detection mechanism includes: the sensor, the second spring and the movable pin;
the first base is provided with a step-shaped second through hole at the rectangular bump, and the supporting seat is provided with a third through hole;
a fixed convex ring is arranged in the middle of the movable pin;
the upper end of the movable pin penetrates through the third through hole, and the top surface of the movable pin protrudes out of the supporting seat and is used for abutting against the injector;
the lower end of the movable pin penetrates through the second through hole, the second spring is sleeved on the movable pin, the top end of the second spring is abutted against the fixed convex ring, and the bottom end of the second spring is abutted against the step shoulder of the second through hole;
the inductor with controller electric connection sets up on the first base, just the inductor is located the below of activity round pin, the inductor is used for when the activity round pin reachs preset position, to the controller sends the signal that targets in place of activity round pin. The syringe is ensured to be installed in place through the detection mechanism.
In one possible solution, the thrust seat comprises: the second fixed seat, the movable seat and the push plate;
the second fixed seat is arranged in the box body, and second sliding grooves are formed in the side walls of the two sides of the second fixed seat;
a sliding rail is arranged on the side wall of the movable seat, the fixed seat is clamped in the second sliding groove through the sliding rail, and the movable seat is meshed on the screw rod through a threaded hole;
the push plate is arranged at the top end of the movable seat and used for pushing a plunger of the injector. The structure realizes that the servo motor drives the movable seat and the push plate to move.
In one possible solution, the movable seat comprises: a second base and a second fixing plate;
a through groove is formed in the top plate of the box body;
the second base is clamped in the second sliding groove through the sliding rail;
a rectangular groove is formed in the top end of the second fixing plate;
the second fixing plate is arranged on the second base, and the top end of the second fixing plate extends out of the through groove;
the push plate is arranged on the second fixing plate. The structure is convenient for connecting the push plate with the movable seat.
In one possible solution, the second base includes: a second base body and a third fixing plate;
the third fixing plate is arranged on the second base body, and a guide groove is formed between the third fixing plate and the second base body;
the second fixing base is provided with a guide plate, and the guide plate is arranged in the guide groove in a penetrating mode to enable the second base to slide along the guide plate. This structure realizes that the sliding seat is spacing in upper and lower direction, and the push pedal removes more steadily.
In a possible scheme, the bottom of the push plate is provided with a protruding block, and the protruding block is used for being embedded into the rectangular groove. The structure is convenient for the connection and fixation of the push plate and the movable seat.
In a feasible scheme, one side of the push plate is provided with a U-shaped groove, and the U-shaped groove is used for embedding the end part of the injector. This structure realizes more steady promotion syringe plunger.
In one possible solution, the pushing device further comprises: the device comprises a first photoelectric sensor, a second photoelectric sensor and a shading sheet;
the shading sheet is arranged on the movable seat;
the first photoelectric sensor and the second photoelectric sensor are arranged on the second fixed seat and are respectively positioned at two ends of the second fixed seat;
the first photoelectric sensor and the second photoelectric sensor are respectively electrically connected with the controller and used for sensing the light shielding sheet and sending sensing signals to the controller. This scheme increases detection mechanism, restricts the stroke of sliding seat on the second fixing base.
In one possible solution, the pushing device further comprises: a mounting seat;
one side of the second fixed seat is provided with an installation plate, and the installation plate is provided with an installation clamping groove;
the mounting seat is L-shaped, the position of the mounting seat is adjustable, the mounting seat is arranged in the mounting clamping groove, and the first photoelectric sensor and the second photoelectric sensor are respectively arranged on the mounting seat. This scheme realizes the adjustable installation of detection mechanism.
Embodiments of the present invention further provide a steam ablation apparatus, including: steam generating device, pipe and pusher in any one of above-mentioned designs. The scheme realizes accurate output of liquid in the injector.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a pushing apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a clamping device and a pushing device according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a clamping device according to one embodiment of the present invention;
fig. 4 is a schematic view of a first fixing base according to a first embodiment of the invention;
FIG. 5 is a schematic view of a jaw mechanism according to a first embodiment of the present invention;
FIG. 6 is another schematic view of a clamping device according to one embodiment of the present invention;
FIG. 7 is a schematic view of a detecting mechanism according to a first embodiment of the present invention;
FIG. 8 is a schematic view illustrating a clamping state of the clamping device according to the first embodiment of the present invention;
FIG. 9 is a schematic view of a pushing device according to a first embodiment of the present invention;
FIG. 10 is an enlarged view of the portion A in FIG. 9 according to a first embodiment of the present invention;
FIG. 11 is an enlarged view of a second fixing base according to a first embodiment of the present invention;
FIG. 12 is a schematic view of a movable seat according to a first embodiment of the present invention;
fig. 13 is a schematic view of a steam ablation device in accordance with a second embodiment of the present invention.
Reference numbers in the figures:
1. a box body; 11. a first fixing plate; 2. a clamping device; 21. a first fixed seat; 211. a first base; 2111. a rectangular bump; 2112. a first chute; 2113. a rectangular groove; 2114. a second through hole; 212. a supporting seat; 22. a jaw mechanism; 221. a clamping block; 2211. a slide base; 22111. a first through hole; 2212. a slider; 2213. a clamping jaw; 2214. a silica gel gasket; 222. a guide bar; 2221. a limit convex ring; 2222. a connecting portion; 223. a first spring; 23. a limiting side plate; 24. a detection mechanism; 241. an inductor; 242. a second spring; 243. a movable pin; 2431. fixing the convex ring; 3. a pushing device; 31. a pushing seat; 311. a second fixed seat; 3111. a second chute; 3112. a guide plate; 3113. mounting a plate; 31131. installing a clamping groove; 312. a movable seat; 31201. a second base; 312011, a second chassis body; 312012, a third fixing plate; 312013, a guide groove; 31202. a second fixing plate; 31203. a rectangular groove; 3121. a slide rail; 3122. a threaded hole; 313. pushing the plate; 3131. a protruding block; 3132. a U-shaped groove; 32. a screw rod; 33. a servo motor; 341. a first photosensor; 342. a second photosensor; 343. a shading sheet; 344. a mounting seat; 400. an injector; 4001. a plunger; 4002. positioning a plate; 510. a steam generating device; 520. and a pushing device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships, based on the orientation or positional relationship illustrated in the drawings, for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The technical solution of the present invention will be described in detail below with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
As described in the background of the present application, the existing steam ablation apparatus basically comprises: the device comprises a fixing device, a steam generating device and a conduit, wherein the injector is placed and fixed on the fixing device, one end of the steam generating device is connected with an outlet of the injector, the other end of the steam generating device is connected with an input end of the conduit, liquid in the injector is conveyed to the steam generating device, the steam generating device converts the input liquid into steam and conveys the steam to the conduit, and the conduit is inserted into a human body to repair pathological change tissues of the human body through the steam.
The inventor of the application finds that in the existing steam ablation equipment, the fixing device is arranged in the box body, so that inconvenience is brought to taking, placing and replacing of an injector; and after the injector is fixed, the liquid in the injector is output through the pump body, and the output quantity of the liquid is difficult to control, so that the steam quantity generated by the steam generating device cannot be accurately metered, and the adaptability and the applicability of the steam ablation device are limited.
In order to solve the above problems, the inventor of the present application proposes a technical solution of the present application, and specific embodiments are as follows:
fig. 1 is a schematic view of a pushing device in a first embodiment of the present invention, fig. 2 is a schematic view of a clamping device and a pushing device in a first embodiment of the present invention, fig. 3 is a schematic view of a clamping device according to a first embodiment of the invention, fig. 4 is a schematic view of a first fixing base according to a first embodiment of the invention, fig. 5 is a schematic view of a clamping jaw mechanism in the first embodiment of the invention, fig. 6 is another schematic view of a clamping device in the first embodiment of the invention, fig. 7 is a schematic view of a detection mechanism according to a first embodiment of the invention, fig. 8 is a schematic view of a clamping state of a clamping device according to a first embodiment of the invention, fig. 9 is a schematic view of a pushing device in the first embodiment of the present invention, fig. 10 is an enlarged view of a point a in fig. 9 in the first embodiment of the present invention, fig. 11 is a partially enlarged view of a second fixing base in the first embodiment of the present invention, and fig. 12 is a schematic view of a movable base in the first embodiment of the present invention. As shown in fig. 1 to 12, the pushing device of the present embodiment includes: the device comprises a box body 1, a clamping device 2, a pushing device 3 and a controller.
A rectangular through groove is formed in a top plate of the box body 1, and a first fixing plate 11 is arranged at the rectangular through groove of the top plate of the box body 1.
The clamping device 2 is arranged on the first fixing plate 11 at the top of the box body 1, the clamping device 2 is used for horizontally placing and supporting the injector 400, and after the injector is placed, the clamping device 2 is also used for clamping the injector, so that the injector 400 is horizontally fixed on the clamping device 2.
The pushing device 3 is disposed on the case 1 at one side of the holding device 2 and at one side close to the plunger 4001 of the syringe 400.
The pushing device 3 includes: a pushing seat 31, a screw rod 32 and a servo motor 33.
The servo motor 33 is fixedly arranged in the box body 1, the screw rod 32 is arranged in the box body, one end of the screw rod 32 is in transmission connection with an output shaft of the servo motor 33, and the servo motor 33 is used for driving the screw rod 32 to rotate.
The pushing seat 31 is disposed in the box body 1, and a top end of the pushing seat 31 protrudes from a top surface of the first fixing plate 11. The pushing seat 31 is connected with the screw rod 32, the screw rod 32 is used for driving the pushing seat 31 to move left and right in the horizontal direction when rotating, and when the pushing seat 31 moves to one side of the clamping device 2, the plunger 4001 of the syringe 400 clamped by the clamping device 2 is horizontally pushed, so that the liquid in the syringe is output from the outlet of the syringe.
The controller (not shown in the figures) is arranged in the box body 1 and is electrically connected with the servo motor 33 of the pushing device 3, the controller controls the opening and closing of the servo motor 33, and the output of the liquid in the syringe 400 is controlled through the servo motor 33.
Through the above-mentioned content difficult discovery, the pusher of this embodiment, through setting up box, clamping device, thrust unit and controller, clamping device sets up on the roof of box, and thrust unit sets up in one side of clamping device, includes: the device comprises a pushing seat, a screw rod and a servo motor, wherein the servo motor is connected with the screw rod, and the screw rod is connected with the pushing seat. The pushing device is used for steam ablation equipment, the clamping device is arranged on the top surface of the box body and horizontally clamps and fixes the injector, and the injector is convenient to take, place and replace; the controller controls the screw rod to rotate through the servo motor, the pushing seat is driven to move horizontally through the screw rod, the displacement of the pushing seat can be controlled accurately, the pushing seat pushes the plunger of the injector clamped by the clamping device in the horizontal direction, liquid in the injector is output to the steam generating device of the steam ablation equipment, the output quantity of the liquid in the injector can be controlled accurately, the accurate output of the steam is guaranteed, and the applicability and the adaptability of the steam ablation equipment are improved.
Alternatively, as shown in fig. 3 to 6, in the pushing device in the present embodiment, the clamping device 2 includes: a first fixed seat 21.
First fixed plate 11 is equipped with the rectangle through-hole, and clamping device 2's first fixing base 21 sets up in the rectangle through-hole department of first fixed plate 11, is equipped with two clamping jaw mechanism 22 that are mirror symmetry setting on the top surface of first fixing base 21.
Both gripper mechanisms 22 comprise: a clamping block 221, a guide rod 222, and a first spring 223.
The clamping block 221 of the jaw mechanism 22 is slidably disposed on the top surface of the first fixed base 21.
One end of the guide bar 222 is disposed on the first fixing base 21.
The first spring 223 is sleeved on the guide rod 222, one end of the first spring 223 abuts against the guide rod 222, the other end of the first spring 223 abuts against the clamping block 221, and the first spring 223 generates a pushing force to one side of the middle of the first fixing seat 21 on the clamping block 221, so that the clamping blocks 221 on the two sides are close to the middle of the first fixing seat 21. The injector is horizontally placed on the first fixed seat, when the injector is placed in the first fixed seat, the injector is inserted between the two clamping blocks, the injector pushes the clamping blocks to slide towards the outer side of the first fixed seat, and the first spring is compressed; after the injector is horizontally placed on the first fixing seat, the first spring pushes the clamping blocks to slide towards the middle of the first fixing seat, and the two clamping blocks are close to each other to clamp the injector placed on the first fixing seat. When the injector is taken out, the injector is pulled upwards, the two clamping blocks slide towards the outer side of the first fixing seat, after the injector is taken out, the clamping blocks reset under the action of the first spring, and the injector is convenient to replace.
Further, in the pushing device in this embodiment, the first fixing seat 21 of the clamping mechanism 2 includes: a first base 211 and a support base 212.
The first base 211 is disposed on the first fixing plate 11, and a rectangular protrusion 2111 protruding upward is disposed in the middle of the top surface of the first base 211.
The supporting base 212 is fixedly disposed on the top surface of the rectangular protrusion 2111 of the first base 211, and the top surface of the supporting base 212 is arc-shaped. When the injector 400 is placed, the injector is horizontally placed on the arc top surface of the support base 212, and the injector is prevented from rolling on the top surface of the support base 212.
Two gripper mechanisms 22 are arranged on the first base 211, are arranged on two sides of the rectangular projection 2111 and the support base 212 in mirror symmetry, and when approaching each other, the two gripper mechanisms 22 grip the syringe placed on the support base 212.
Further, in the pushing apparatus of the present embodiment, the clamping block 221 of the clamping mechanism 22 includes: slide 2211, slide 2212, and jaw 2213.
The first base 211 is provided with a first sliding slot 2112.
The sliding block 2212 of the clamping block 221 is fixedly arranged at the bottom of the sliding base 2211, and the sliding block 2212 is slidably clamped in the first sliding groove 2112 of the first base 211, so that the sliding base 2211 is slidably arranged on the first base 211, and the sliding base 2211 and the sliding block 2212 can slide along the first sliding groove 2112 of the first base 211.
The two clamping jaws 2213 are arranged, and the two clamping jaws 2213 are arranged on the sliding seat 2211 and are positioned on two sides of the sliding seat 2211. The side surfaces of the clamping jaws 2213 are arc-shaped, and when the two clamping jaw mechanisms 22 approach each other, the clamping jaws 2213 on the clamping blocks 221 at the two sides are matched with each other to clamp the injector on the supporting seat from the front end and the rear end.
Further, in the pushing device in this embodiment, the sliding seat 2211 of the clamping block 221 is provided with a through stepped first through hole 22111, and one end of the stepped first through hole 22111 with a smaller aperture is disposed near one side of the supporting seat 212.
The guiding rod 222 is disposed through the first through hole 22111 of the sliding seat 2211, one end of the guiding rod 222 extends out of the sliding seat 2211 and is fixed on the rectangular protrusion 2111 of the first base 211, and the other end of the guiding rod 222 is disposed with a limiting protrusion 2221.
The first spring 223 is sleeved on the guide rod 222 and located in the stepped first through hole 22111 of the sliding seat 2211, one end of the first spring 223 abuts against the limit convex ring 2221 of the guide rod 222, and the other end of the first spring 223 abuts against the step shoulder of the stepped first through hole 22111. When the injector is put in, the injector is pressed downwards, so that the sliding seat slides to the outer side of the first base along the sliding groove, and the first spring is compressed; after the injector is placed on the supporting seat, the first spring pushes the sliding seat to be close to the supporting seat, and the clamping jaws on the sliding seat clamp the injector from the front side and the rear side of the injector.
Further, in the pushing device in this embodiment, the first base 211 is provided with a rectangular groove 2113 at the rectangular protrusion 2111, and the rectangular protrusion 2111 is provided with a threaded hole at the bottom of the rectangular groove 2113.
The end of the guiding bar 222 far from the protruding limiting ring 2221 is provided with a connecting portion 2222, the connecting portion 2222 of the guiding bar 222 is rectangular, and the connecting portion 2222 of the guiding bar 222 is provided with a mounting through hole corresponding to the threaded hole of the rectangular protrusion 2111. The connecting portion 2222 of the guide bar 222 is embedded in the rectangular groove 2113 of the rectangular protrusion 2111, and the fixing bolt passes through the mounting through hole of the connecting portion and is engaged in the threaded hole of the rectangular protrusion, so that one end of the guide bar is fixed on the rectangular protrusion, and the guide bar is conveniently connected and fixed with the first base.
Further, in the pushing apparatus of the present embodiment, the clamping block 221 of the clamping jaw mechanism 22 further includes: a silicone gasket 2214.
The side of the slide 2211 close to one side of the support seat 212 is provided with a circular groove, the silica gel gasket 2214 is arranged in the circular groove on the side of the slide 2211, and the silica gel gasket 2214 protrudes out of the outer side of the slide 2211. When the sliding seat 2211 is close to the rectangular protrusion 2111 and the supporting seat 212 under the action of the first spring 223, the silicone gasket 2214 abuts against the rectangular protrusion 2111 and the side face of the supporting seat 212 to buffer the impact of the sliding seat on the first base and the supporting seat.
Further, as shown in fig. 8, in the pushing device in this embodiment, the holding device 2 further includes: the side plates 23 are restrained.
The limit side plate 23 is disposed on one side of the first base 211, the limit side plate 23 is spaced from the sliding seat 2211 of the clamping block 221, and a limit groove is formed between the side of the limit side plate 23 and the side of the sliding seat 2211.
The clamping device of the embodiment is used for clamping the injector 400 with one end provided with the positioning plate 4002. When the injector is put in, the positioning plate 4002 of the injector is inserted into the limiting groove between the limiting side plate 23 and the sliding seat 2211, so that the injector is accurately positioned on the fixing seat.
Further, as shown in fig. 6 and 7, in the pushing device in this embodiment, the clamping device 2 further includes: a detection mechanism 24.
The detection mechanism 24 includes: an inductor 241, a second spring 242, and a movable pin 243.
The first base 211 is provided with a second through hole 2114 which penetrates through the first base 211 from top to bottom and is stepped at the center of the rectangular protrusion 2111, and the support base 212 is provided with a third through hole which penetrates through the second base and corresponds to the second through hole 2114.
The middle part of the movable pin 243 is provided with a fixed convex ring 2431.
The upper end of the movable pin 243 is inserted into the third through hole of the supporting base 212, and the top surface of the movable pin 243 protrudes from the top surface of the supporting base 212.
The lower end of the movable pin 243 and the fixed convex ring 2431 are arranged in the stepped second through hole 2114 of the first base 211 in a penetrating manner, the second spring 242 is sleeved at the lower end of the movable pin 243 and is positioned in the second through hole 2114, the top end of the second spring 242 is propped against the fixed convex ring 2431 of the movable pin 243, and the bottom end of the second spring 242 is propped against the stepped shoulder of the stepped second through hole 2114.
The sensor 241 is electrically connected to the controller, and the sensor 241 is disposed at the bottom of the first base 211 through a fixing member, and the sensor 241 is located right below the movable pin 243.
In this embodiment, when the injector is put in, the bottom of the injector abuts against the movable pin 243 and then continues to push the movable pin downwards, after the sensor 241 arranged below the movable pin 243 detects the movable pin 243, the in-place signal of the injector is sent to the controller, and after the controller receives the in-place signal of the injector, the controller controls the equipment to execute the next preset action, if the sensor 241 does not detect the movable pin, it indicates that the injector is not placed in place, and an operator should continue to press the injector downwards to ensure that the injector is placed in place, so as to ensure that the subsequent actions of the equipment are performed smoothly.
Alternatively, as shown in fig. 9 to 12, in the pushing device in the present embodiment, the pushing seat 31 of the pushing device 3 includes: a second fixed seat 311, a movable seat 312 and a push plate 313.
The second fixing base 311 is disposed in the box body 1, a recessed groove is formed in the top surface of the second fixing base 311, and a second sliding groove 3111 is formed in the inner sides of the side walls of the two sides of the second fixing base 311.
The lateral wall of the both sides of sliding seat 312 is equipped with slide rail 3121, and the bottom of sliding seat 312 is equipped with the screw hole 3122 that runs through. The movable seat 312 is disposed in the groove on the top surface of the second fixing seat 311, the top end of the movable seat 312 extends out of the top surface of the first fixing plate 11, the sliding rail 3121 of the movable seat 312 is clamped in the second sliding grooves 3111 on both sides of the second fixing seat 311, and the movable seat 312 is engaged with the screw rod 32 through the threaded hole 3122, and the screw rod 32 drives the movable seat 312 to slide left and right along the second sliding grooves 3111 of the second fixing seat 311 when rotating.
The push plate 313 is provided at the tip of the movable seat 312, and when the movable seat 312 moves toward the holder 2, the push plate 313 pushes the plunger of the syringe in the horizontal direction, so that the liquid in the syringe is discharged from the outlet of the syringe.
Further, in the pushing device of the present embodiment, the movable seat 312 of the pushing device includes: a second base 31201 and a second fixing plate 31202.
The first fixing plate 11 at the top of the box body 1 is provided with a through groove.
The second base 31201 of the movable seat 312 is clamped in the second sliding groove 3111 of the second fixed seat 311 by a sliding rail 3121, and is engaged with the screw rod 32 by a threaded hole 3122.
The top end of the second fixing plate 31202 is provided with a rectangular groove 31203 so that the top end of the second fixing plate 31202 is U-shaped.
The second fixing plate 31202 is vertically disposed on the second base 31201, and a top end of the U-shaped second fixing plate 31202 protrudes from the through groove of the first fixing plate 11 to a top surface of the first fixing plate 11.
The push plate 313 is disposed at the top end of the second fixing plate 31202.
Further, in the pushing apparatus of the present embodiment, the second base 31201 of the movable seat 312 includes: a second chassis body 312011 and a third securing plate 312012.
The third fixing plate 312012 is disposed on the top surface of the second base body 312011, and a guide groove 312013 is disposed between the bottom surface of the third fixing plate 312012 and the top surface of the second base body 312011.
The top of the second fixed seat 311 is provided with a guide plate 3112, and the guide plate 3112 of the second fixed seat 311 is inserted into the guide groove 312013 of the second base 31201, so that the movable seat is positioned in the vertical direction. When the servo motor drives the movable seat to slide left and right, the movable seat slides along the guide plate on the second fixed seat simultaneously, so that the movable seat is prevented from jumping up and down when sliding, and the push plate 313 can more stably push the plunger of the injector.
Further, in the pushing device of this embodiment, the bottom of the pushing plate 313 is provided with a protruding block 3131, and the protruding block 3131 is matched with the rectangular groove 31203 on the second fixing plate 31202. When the push plate 313 is connected with the second fixing plate 31202, the protrusion block 3131 of the push plate is inserted into the rectangular groove 31203 of the second fixing plate, and mounting holes are provided at both side walls of the second fixing plate 31202 and the push plate 313, so that the push plate and the second fixing plate are fixedly connected by a connecting bolt.
Further, in the pushing device of this embodiment, the push plate 313 is provided with a U-shaped groove 3132 on a side wall close to one side of the syringe, and when the push plate 313 pushes the plunger of the syringe, the end of the plunger of the syringe is embedded in the U-shaped groove 3132 of the push plate, so that the plunger of the syringe is pushed more smoothly.
Further, in the pushing device in this embodiment, the pushing device 3 further includes: a first photosensor 341, a second photosensor 342, and a light-shielding sheet 343.
The light shielding sheet 343 is fixedly disposed on a side wall of the movable seat 312, and the movable seat 312 drives the light shielding sheet 343 to move left and right when sliding.
The first photoelectric sensor 341 and the second photoelectric sensor 342 are disposed on the sidewall of the second fixing base 311, and are respectively located at the left end and the right end of the second fixing base 311.
The first photosensor 341 and the second photosensor 342 are electrically connected to a controller (not shown). The controller passes through servo motor control sliding seat and the anti-dazzling screen slides along the second fixing base, and when the sliding seat removed to the leftmost end (or the rightmost end) of second fixing base, photoelectric sensor sensed the anti-dazzling screen on the sliding seat to with sensing signal transmission to controller, after the sensing signal that photoelectric sensor sent was received to the controller, through servo motor control sliding seat stop the removal, with the stroke of control sliding seat on the second fixing base.
Further, the pushing device in this embodiment further includes: and a mounting seat 344.
An installation plate 3113 is arranged on one side wall of the second fixing seat 311, and an installation slot 31131 penetrating left and right is arranged on the installation plate 3113.
The mounting seat 344 is L-shaped, one side of the mounting seat 344 is arranged in the mounting slot 31131 of the mounting plate 3113 through the fixing bolt and the fixing nut with adjustable positions, and the first photoelectric sensor 341 and the second photoelectric sensor 342 are respectively arranged on the mounting seat 344. The left and right positions of the photoelectric sensor on the second fixed seat can be adjusted by adjusting the left and right positions of the mounting seat 344 on the mounting plate 3113, so as to meet the requirements of pushing injectors of different specifications.
Fig. 13 is a schematic view of a steam ablation device in accordance with a second embodiment of the present invention.
As shown in fig. 13, the steam ablation apparatus of the present embodiment includes: steam generating means 510, a conduit and pushing means 520 as described in the previous embodiments.
The inlet end of the steam generating device is connected with the outlet of the injector clamped on the pushing device through a connecting pipeline, and the outlet end of the steam generating device is connected with the inlet end of the conduit (not shown in the figure).
The pushing device of the pushing device pushes the plunger of the injector clamped by the clamping device, liquid in the injector is conveyed to the steam generating device, the steam generating device converts the liquid into steam and conveys the steam to the guide pipe, and the steam is conveyed into a human body through the guide pipe.
In the present invention, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may be directly contacting the first feature and the second feature or indirectly contacting the first feature and the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (14)
1. A pushing device, comprising: the device comprises a box body, a clamping device, a pushing device and a controller;
the clamping device is arranged on a top plate of the box body and is used for horizontally supporting and clamping the injector;
the pushing device is arranged on the box body and is positioned on one side of the clamping device;
the pushing device comprises: the pushing seat, the screw rod and the servo motor;
the servo motor is connected with the screw rod, the screw rod is connected with the pushing seat, the servo motor is used for driving the screw rod to rotate, and the screw rod is used for driving the pushing seat to push the plunger of the injector clamped by the clamping device along the horizontal direction when rotating;
the controller is electrically connected with the servo motor and is used for controlling the on-off of the servo motor; the clamping device includes: a first fixed seat;
the first fixed seat is arranged on a top plate of the box body, and two clamping jaw mechanisms which are arranged in mirror symmetry are arranged on the first fixed seat;
the gripper mechanism includes: the clamping block, the guide rod and the first spring;
the clamping block is slidably arranged on the first fixed seat;
the guide rod is arranged on the first fixed seat;
the first spring is sleeved on the guide rod, one end of the first spring is abutted against the guide rod, the other end of the first spring is abutted against the clamping blocks, the first spring is used for enabling the two clamping blocks to be close to each other, and the two clamping blocks are used for clamping the injector on the first fixed seat when being close to each other; the first fixing seat comprises: the first base and the supporting seat;
the first base is provided with a rectangular convex block;
the supporting seat is arranged on the rectangular convex block, and the top surface of the supporting seat is arc-shaped and used for horizontally placing the injector;
the two clamping jaw mechanisms are arranged on the first base in a mirror symmetry mode and are respectively positioned on two sides of the rectangular convex block;
the clamping device further comprises: a detection mechanism;
the detection mechanism includes: the sensor, the second spring and the movable pin;
the first base is provided with a step-shaped second through hole at the rectangular bump, and the supporting seat is provided with a third through hole;
a fixed convex ring is arranged in the middle of the movable pin;
the upper end of the movable pin penetrates through the third through hole, and the top surface of the movable pin protrudes out of the supporting seat and is used for abutting against the injector;
the lower end of the movable pin penetrates through the second through hole, the second spring is sleeved on the movable pin, the top end of the second spring is abutted against the fixed convex ring, and the bottom end of the second spring is abutted against the step shoulder of the second through hole;
the inductor with controller electric connection sets up on the first base, just the inductor is located the below of activity round pin, the inductor is used for when the activity round pin reachs preset position, to the controller sends the signal that targets in place of activity round pin.
2. The pusher device of claim 1, wherein the gripping block comprises: a sliding seat, a sliding block and a clamping jaw;
the first base is provided with a first sliding chute;
the sliding block is arranged at the bottom of the sliding seat and is positioned in the first sliding groove, so that the sliding seat can be slidably arranged on the first base through the sliding block;
the clamping jaw is arranged on the sliding seat and used for clamping the injector.
3. The push device as claimed in claim 2, wherein the slide is provided with a first through hole having a stepped shape;
the guide rod penetrates through the first through hole, one end of the guide rod is fixed on the rectangular convex block, and the other end of the guide rod is provided with a limiting convex ring;
the first spring is sleeved on the guide rod, one end of the first spring is abutted against the limiting convex ring, and the other end of the first spring is abutted against the step shoulder of the first through hole.
4. The pushing device as claimed in claim 3, wherein the rectangular protrusion is provided with a rectangular groove, and the rectangular protrusion is provided with a threaded hole at the rectangular groove;
the guide rod is far away from one end of the limiting convex ring, a connecting portion is arranged at one end of the guide rod, an installation through hole is formed in the connecting portion, the connecting portion is embedded into the rectangular groove and fixed on the rectangular convex block through a fixing bolt.
5. The pushing device of claim 2, wherein the gripping block further comprises: a silica gel gasket;
the slide is provided with a circular groove, the silica gel gasket is arranged in the circular groove, and the silica gel gasket protrudes out of the slide and is used for abutting against the rectangular lug.
6. The push device of claim 2, wherein the gripping device further comprises: a limiting side plate;
one end of the injector is provided with a positioning plate;
the limiting side plate is arranged on the first base, and the limiting side plate and the sliding seat are arranged at intervals, so that a limiting groove is formed between the limiting side plate and the sliding seat, and the limiting groove is used for the positioning plate to be inserted.
7. The pushing device of claim 1, wherein the pushing seat comprises: the second fixed seat, the movable seat and the push plate;
the second fixed seat is arranged in the box body, and second sliding grooves are formed in the side walls of the two sides of the second fixed seat;
a sliding rail is arranged on the side wall of the movable seat, the fixed seat is clamped in the second sliding groove through the sliding rail, and the movable seat is meshed on the screw rod through a threaded hole;
the push plate is arranged at the top end of the movable seat and used for pushing a plunger of the injector.
8. The pushing device as claimed in claim 7, wherein the movable seat comprises: a second base and a second fixing plate;
a through groove is formed in the top plate of the box body;
the second base is clamped in the second sliding groove through the sliding rail;
a rectangular groove is formed in the top end of the second fixing plate;
the second fixing plate is arranged on the second base, and the top end of the second fixing plate extends out of the through groove;
the push plate is arranged on the second fixing plate.
9. The pushing device of claim 8, wherein the second base comprises: a second base body and a third fixing plate;
the third fixing plate is arranged on the second base body, and a guide groove is formed between the third fixing plate and the second base body;
the second fixing base is provided with a guide plate, and the guide plate is arranged in the guide groove in a penetrating mode to enable the second base to slide along the guide plate.
10. The pushing device as claimed in claim 8, wherein the bottom of the pushing plate is provided with a protruding block, and the protruding block is used for being embedded into the rectangular groove.
11. The pushing device as claimed in claim 10, wherein one side of the pushing plate is provided with a U-shaped groove for the end of the syringe to be inserted.
12. The pushing device of claim 7, further comprising: the device comprises a first photoelectric sensor, a second photoelectric sensor and a shading sheet;
the shading sheet is arranged on the movable seat;
the first photoelectric sensor and the second photoelectric sensor are arranged on the second fixed seat and are respectively positioned at two ends of the second fixed seat;
the first photoelectric sensor and the second photoelectric sensor are respectively electrically connected with the controller and used for sensing the light shielding sheet and sending sensing signals to the controller.
13. The pushing device of claim 12, further comprising: a mounting seat;
one side of the second fixed seat is provided with an installation plate, and the installation plate is provided with an installation clamping groove;
the mounting seat is L-shaped, the position of the mounting seat is adjustable, the mounting seat is arranged in the mounting clamping groove, and the first photoelectric sensor and the second photoelectric sensor are respectively arranged on the mounting seat.
14. A steam ablation device, characterized by: the method comprises the following steps: steam generating device, conduit and push device according to any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011622209.3A CN112641500B (en) | 2020-12-31 | 2020-12-31 | Pusher and steam ablation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011622209.3A CN112641500B (en) | 2020-12-31 | 2020-12-31 | Pusher and steam ablation equipment |
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| CN112641500A CN112641500A (en) | 2021-04-13 |
| CN112641500B true CN112641500B (en) | 2022-07-12 |
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| CN104689425B (en) * | 2013-12-10 | 2017-09-12 | 深圳市科曼医疗设备有限公司 | Push handle gripping mechanism for the syringe of syringe pump |
| CN105664289B (en) * | 2015-12-31 | 2019-02-22 | 深圳麦科田生物医疗技术有限公司 | A kind of syringe pump |
| CN211584686U (en) * | 2019-12-21 | 2020-09-29 | 北京鑫禾丰医疗技术有限公司 | Syringe clamping device of micro-injection pump |
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| CN105854101A (en) * | 2016-03-22 | 2016-08-17 | 重庆市澳凯龙医疗器械研究有限公司 | Intelligent heparin pushing injector used for CRRT (continuous renal replacement therapy) machine |
| CN206534955U (en) * | 2016-11-17 | 2017-10-03 | 深圳市科曼医疗设备有限公司 | Syringe pump push rod clamping jaw device |
| CN207871227U (en) * | 2017-07-04 | 2018-09-18 | 聊城市斐然实凯科技有限公司 | A kind of syringe pump |
| CN109395210A (en) * | 2017-08-18 | 2019-03-01 | 南京感控通化工产品经营部 | A kind of pusher structure suitable for syringe |
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| CN112641500A (en) | 2021-04-13 |
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