CN112842511B - Ablation equipment with manual clutch - Google Patents
Ablation equipment with manual clutch Download PDFInfo
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- CN112842511B CN112842511B CN202011615525.8A CN202011615525A CN112842511B CN 112842511 B CN112842511 B CN 112842511B CN 202011615525 A CN202011615525 A CN 202011615525A CN 112842511 B CN112842511 B CN 112842511B
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- shell
- rod
- piston rod
- transmission
- ablation device
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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
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
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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
- A61B2018/048—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 in gaseous form
Abstract
The embodiment of the application discloses an ablation device with manual clutch, which comprises a shell, a driving mechanism, a clutch mechanism, a pushing component and a bearing mechanism, wherein the shell is provided with a first clutch mechanism and a second clutch mechanism; the needle cylinder assembly comprises a cylinder body and a piston rod; the driving mechanism is used for driving the pushing assembly to move along the horizontal direction, so that the piston rod moves relative to the cylinder body to complete the injection action; when the piston rod is arranged on the pushing component, the pushing component triggers the clutch mechanism to be linked with the driving mechanism; when the piston rod is arranged on the pushing component, the pushing component is used for triggering the clutch mechanism to be separated from the driving mechanism. According to the application, the clutch effect of the piston rod is realized through the needle cylinder assembly, the pushing assembly and the clutch mechanism, so that the ablation equipment is prevented from working under the condition of not being connected with the needle cylinder assembly, and the safety performance of the equipment is improved conveniently.
Description
Technical Field
The embodiment of the application relates to the technical field of medical equipment, in particular to ablation equipment with manual clutch.
Background
Thermal steam ablation is an emerging implant-free bronchoscope interventional technique, which is characterized in that a catheter is sent into target lung tissue identified by high-resolution CT through a bronchoscope, a predetermined dose of high-temperature steam is released to generate thermal reaction to act on the lung tissue of a target area of a patient, so that local lung tissue is subjected to acute inflammatory reaction and injury repair, lung tissue fibrosis and scar repair are generated, or lung tension is formed to achieve the aim of reducing the lung volume, and compared with the traditional technique for treating chronic obstructive pulmonary disease, the method has remarkable progress.
At present, when the existing steam ablation equipment is used, a fixed-volume needle cylinder assembly is clamped and fixed on a shell of the equipment through bolts or clamps, a proper amount of liquid is required to be injected in advance according to scale marks on the needle cylinder assembly, ionized water is heated through an ablation handle to generate steam, the steam is input into focus of a patient lung, and the focus is scalded at high temperature to achieve the treatment purpose.
The installation mode of the needle cylinder assembly ensures that the driving mechanism can still drive the needle cylinder assembly to work under the condition that the needle cylinder assembly is not installed, reduces the safety of equipment and is inconvenient to use. In view of this, we propose an ablation device with manual clutching.
Disclosure of Invention
The embodiment of the application provides an ablation device with manual clutch, which avoids the ablation device from working under the condition of not being connected with a needle cylinder assembly, and is convenient for improving the safety performance of the device.
The embodiment of the application provides ablation equipment with manual clutch, which is applicable to a needle cylinder assembly and comprises a shell, a driving mechanism, a clutch mechanism and a pushing assembly;
the bearing mechanism is arranged on the shell, the needle cylinder assembly comprises a cylinder body and a piston rod, the cylinder body is detachably arranged on the bearing mechanism, and the piston rod is arranged on the pushing assembly;
the pushing component is connected with the clutch mechanism, and the piston rod is detachably arranged on the pushing component;
the driving mechanism is arranged in the equipment shell;
the driving mechanism is used for driving the pushing assembly to move along the horizontal direction, so that the piston rod moves relative to the cylinder body to complete the injection action;
when the piston rod is arranged on the pushing component, the pushing component triggers the clutch mechanism to be linked with the driving mechanism;
when the piston rod is arranged on the pushing component, the pushing component is enabled to trigger the clutch mechanism to be separated from the driving mechanism, the clutch effect between the clutch mechanism and the driving mechanism is achieved through the arranged pushing component, the effect that the driving mechanism and the pushing component can drive the piston rod to perform the piston action only when the piston rod is connected to the clutch mechanism is achieved, and the problem that in the prior art, the safety of equipment is low is solved.
In one possible scheme, the driving mechanism comprises two upright plates, a guide rod, a sliding block, a screw rod and a driving motor which are oppositely arranged;
the guide rod and the screw rod are connected between the two vertical plates;
the driving motor drives the screw rod to rotate, so that the sliding block slides left and right on the guide rod, and the sliding block is used for completing the injection action of the piston rod.
In a possible scheme, a first gear is installed at the output end of the driving motor, a second gear is installed at the end of the screw rod, and the first gear is meshed with the second gear.
In one possible solution, the clutch mechanism comprises a housing, a cover plate, a wrench, and a sleeve;
the cover plate is connected to the outer side of the shell;
the wrench is connected to the outer side of the cover plate;
the proximal end of the sleeve extends into the equipment shell and is connected with the sliding block;
the distal end of the cannula is attached to the housing.
In one possible solution, the pushing assembly comprises a transmission rod;
the transmission rod is sleeved in the sleeve, and the proximal end of the transmission rod penetrates through the sliding block and is fixedly connected with a transmission block;
the transmission block is provided with a thread notch meshed with the screw rod thread, and the wrench is shifted to realize the clutch between the driving mechanism and the piston rod.
In one possible solution, the clutch mechanism further comprises a collar, a locking block, a transmission plate and a latch;
the sleeve ring is arranged on the side wall of the shell, the distal end of the bolt extends into the inner ring of the sleeve ring, and the proximal end of the bolt extends out of the shell in a wedge shape;
the locking block is connected to the inner side of the cover plate through a spring;
one end of the transmission plate is connected to the transmission rod;
when the spanner is shifted, the spanner drives the transmission plate to rotate through the transmission rod, so that the spring ejects the bolt out of the shell through the locking block.
In one possible scheme, the outer surface of the lantern ring is provided with a transverse groove and a vertical groove, and the transverse groove is communicated with the end part of the vertical groove;
be provided with the spacer pin on the locking piece, the bolt protrusion when the surface of shell, the spacer pin is located horizontal inslot, the bolt atress is compressed into when the lantern ring, the spacer pin is located vertical inslot for carry out spacingly.
In a possible scheme, the connecting end of the locking block and the transmission plate is provided with a limiting rod, one end of the transmission plate is provided with a notch, and the limiting rod extends into the limiting notch.
In one possible solution, the latch is provided with a stop collar that prevents it from falling off the housing.
In a possible scheme, the outer surface inner side of the shell is provided with a buckle, and the end part of the piston rod is matched with the shell in a clamping way through the buckle.
In one possible approach, the ablation device with manual clutching further comprises: a bearing mechanism;
the needle cylinder assembly comprises a cylinder body and a piston rod, the cylinder body is detachably arranged on the bearing mechanism, and the piston rod is arranged on the pushing assembly;
the bearing mechanism comprises a clamp and a connecting rod, the clamp is connected to one end of the connecting rod extending out of the shell, an elastic piece is arranged at one end of the connecting rod extending into the shell, and the elastic piece draws the clamp towards one side close to the shell and is used for clamping and fixing the cylinder.
In one possible embodiment, the housing is provided with a sleeve in communication with the interior thereof, through which sleeve the connecting rod protrudes into the housing.
In a feasible scheme, two limiting blocks are symmetrically arranged on the outer surface of the connecting rod, two limiting grooves are symmetrically arranged on the inner wall of the sleeve, and the limiting blocks are matched with the limiting grooves.
In one possible solution, a cannula is provided on the inner side of the clamp, and one end of the connecting rod is detachably connected to the cannula.
Based on the scheme, the injection device realizes the injection of the piston rod into the cylinder body through the needle cylinder assembly, the pushing assembly and the clutch mechanism, and the transmission block is meshed with the screw rod to realize separation when the piston rod is pulled out, so that the driving mechanism and the pushing assembly can drive the piston rod to perform the piston action only when the piston rod is connected to the clutch mechanism, the ablation device is prevented from working under the condition that the needle cylinder assembly is not connected, and the safety performance of the device is convenient to improve.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic view of the whole structure of a first embodiment of the present application;
FIG. 2 is a schematic diagram showing a connection structure of a driving mechanism and a clutch mechanism according to a first embodiment of the present application;
FIG. 3 is a top view showing the internal structure of a clutch mechanism according to a first embodiment of the present application;
FIG. 4 is a schematic diagram showing a clutch mechanism according to a first embodiment of the present application;
FIG. 5 is a schematic view showing the internal structure of a housing according to a first embodiment of the present application;
FIG. 6 is a schematic diagram of a second embodiment of the present application;
FIG. 7 is a schematic overall structure of a third embodiment of the present application;
FIG. 8 is a schematic view of a housing in a third embodiment of the present application;
FIG. 9 is a schematic view illustrating the structure of a supporting mechanism in a third embodiment of the present application;
fig. 10 is a schematic partial structure of a housing in a fourth embodiment of the present application.
Reference numerals in the drawings:
1. a housing; 2. a syringe assembly; 21. a cylinder; 22. a piston rod; 3. a driving mechanism; 31. a vertical plate; 32. a guide rod; 33. a slide block; 34. a screw rod; 341. a second gear; 35. a driving motor; 351. a first gear; 4. a clutch mechanism; 41. a housing; 411. a buckle; 42. a sleeve; 421. a transverse slot; 422. a vertical groove; 43. a locking block; 431. a limiting pin; 432. a spring; 433. a limit rod; 44. a drive plate; 441. limiting notch; 45. a cover plate; 46. a wrench; 47. a plug pin; 471. a limiting ring; 48. a sleeve; 481. a transmission rod; 49. a transmission block; 491. a thread notch.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; either directly, or indirectly, through intermediaries, may be in communication with each other, or may be in interaction with each other, unless explicitly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. The technical scheme of the application is described in detail below by specific examples. The following embodiments may be combined with each other, and some embodiments may not be repeated for the same or similar concepts or processes.
The inventor of the present application has found that the existing ablation instrument infusion device can still drive the device to work under the condition that no syringe assembly is installed when the existing ablation instrument infusion device is used, the safety of the device is reduced, and the existing ablation instrument infusion device is inconvenient to use, and therefore the following embodiments are provided to solve the problems.
Example 1
As shown in fig. 1 to 5, the ablation device with manual clutch of the present embodiment includes a housing 1, a syringe assembly 2, a driving mechanism 3, a clutch mechanism 4, and a pushing assembly; the syringe assembly 2 includes a cylinder 21 and a piston rod 22, the cylinder 21 being detachably fixed to the housing 1; the pushing component is connected with the clutch mechanism 4, and the piston rod 22 is detachably arranged on the pushing component; the driving mechanism 3 is arranged in the equipment shell 1; the driving mechanism 3 is used for driving the pushing component to move along the horizontal direction, so that the piston rod 22 moves relative to the cylinder 21 to complete the injection action; when the piston rod 22 is arranged on the pushing component, the pushing component triggers the clutch mechanism 4 to be linked with the driving mechanism 3; when the piston rod 22 is arranged on the pushing component, the pushing component triggers the clutch mechanism 4 to be separated from the driving mechanism 3, so that the driving mechanism 3 and the pushing component can drive the piston rod 22 to perform a piston action only when the piston rod 22 is connected to the clutch mechanism 4, the ablation device is prevented from working under the condition that the needle cylinder component 2 is not connected, and the safety performance of the device is improved conveniently.
In this embodiment, the driving mechanism 3 includes two opposite vertical plates 31, a guide rod 32, a slider 33, a screw 34, and a driving motor 35; the guide rod 32 and the screw rod 34 are connected between the two vertical plates 31; the driving motor 35 drives the screw rod 34 to rotate, so that the sliding block 33 slides left and right on the guide rod 32 for completing the injection action of the piston rod 22, the two guide rods 32 are arranged in parallel in an up-down state, the sliding block 33 is convenient to limit, and in the process of driving the screw rod 34 to rotate, the driving motor 35 converts the circular motion into the horizontal movement of the sliding block 33, so that the injection action is realized.
As shown in fig. 2, further, a first gear 351 is installed at the output end of the driving motor 35, a second gear 341 is installed at the end of the screw 34, and the first gear 351 is meshed with the second gear 341, so that transmission is facilitated by means of meshing of the two gears. The first gear 351 in fig. 2 has an outer shape adjusted according to the display effect, but those skilled in the art should know that the first gear 351 is engaged with the second gear 341 to realize the transmission capability.
It is worth noting that the clutch mechanism 4 comprises a housing 41, a cover plate 45, a wrench 46 and a sleeve 48; the cover 45 is connected to the outside of the housing 41; the wrench 46 is connected to the outer side of the cover plate 45; the proximal end of the sleeve 48 extends into the device housing 1 and is connected with the sliding block 33; the distal end of the cannula 48 is attached to the housing 41;
the pushing assembly includes a transmission bar 481; the transmission rod 481 is sleeved in the sleeve 48, and the proximal end of the transmission rod 481 passes through the sliding block 33 and is fixedly connected with the transmission block 49; the transmission block 49 is provided with a thread notch 491 which is in threaded engagement with the screw rod 34, the spanner 46 is shifted, the clutch between the driving mechanism 3 and the piston rod 22 is realized, the transmission rod 481 and the sleeve 48 are mutually matched, the transmission rod 481 stretches and contracts in the sleeve 48 in the process of sliding the sliding block 33 left and right, and the clutch mechanism 4 at one end is driven to move together, so that the piston rod 22 connected to the clutch mechanism 4 can complete the injection action.
Specifically, the clutch mechanism 4 further includes a collar 42, a lock block 43, a transmission plate 44, and a latch 47; collar 42 is provided on the side wall of housing 41, the distal end of latch 47 extends into the inner ring of collar 42, and the proximal end of latch 47 is wedge-shaped extending out of housing 41; the locking block 43 is connected to the inner side of the cover plate 45 through a set spring 432, in one implementation, a mounting column is arranged on the inner side of the cover plate 45, the spring 432 is sleeved on the mounting column, the locking block 43 is connected to the inner side of the cover plate 45 through the set spring 432, and one end of the transmission plate 44 is connected to the transmission rod 481; when the spanner 46 is shifted, the spanner 46 drives the transmission plate 44 to rotate through the transmission rod 481, so that the spring 432 ejects the bolt 47 out of the shell 41 through the locking block 43, the spanner 46 and the locking block 43 are matched with each other, the bolt 47 can be ejected out of the shell 41 through a manual mode, and meanwhile, the meshing relationship between the transmission block 49 and the screw rod 34 is separated, so that the manual clutch effect is realized.
In addition, the outer surface of the collar 42 is provided with a transverse groove 421 and a vertical groove 422, and the transverse groove 421 communicates with the end of the vertical groove 422; be provided with spacer 431 on the locking piece 43, when the surface of bolt 47 protrusion shell 41, spacer 431 is located horizontal groove 421, and when bolt 47 atress compression goes into lantern ring 42, spacer 431 is located vertical groove 422 for spacing, carries out the spacing to spacer 431 through two cell bodies for bolt 47 is in flexible in-process extension cell body removal.
Furthermore, the connecting end of the locking block 43 and the driving plate 44 is provided with a limiting rod 433, one end of the driving plate 44 is provided with a limiting gap 441, and the limiting rod 433 extends into the limiting gap 441, so that the connection between the locking block 43 and the driving plate 44 is facilitated, and the driving effect between the locking block 43 and the driving plate 44 is not affected.
It should be noted that the latch 47 is provided with a stop ring 471 for preventing the latch 47 from falling off the housing 41, so as to stop the latch 47.
Through the above, it is not difficult to find that the cylinder 21 is clamped and fixed on the shell 1 through the clamp, and the piston rod 22 is connected to the shell 41 of the driving mechanism 4, the piston rod 22 presses the latch 47 to extend into the shell 41, the latch 47 presses the locking block 43 through the spring 432, the limiting pin 431 on the locking block 43 moves in the transverse groove 421 and the vertical groove 422 and drives the transmission plate 44 to rotate by a certain angle, at this moment, the transmission plate 44 drives the transmission rod 481 to rotate, so that the threaded notch 491 on the transmission block 49 is meshed with the screw rod 34, after the driving motor 35 is powered on, the output end of the driving motor is driven through two gears, so that the screw rod 34 rotates and then drives the transmission block 49 and the sliding block 33 to move, the injection of the piston rod 22 into the cylinder 21 is realized, and when the piston rod 22 is pulled out, the transmission block 49 is meshed with the screw rod 34 to realize separation, therefore, only when the piston rod 22 is connected to the clutch mechanism 4, the driving mechanism 3 and the pushing component drive the piston rod 22 to perform the piston rod motion, so that the ablation device is prevented from working under the condition of not being connected with the component 2, the safety performance of the device is convenient to popularize and popularize.
Example two
As shown in fig. 6, the second embodiment is a modification of the first embodiment, and is characterized in that the connection between the piston rod 22 and the clutch mechanism 4 is facilitated, specifically, a buckle 411 is provided on the inner side of the outer surface of the housing 41, the end portion of the piston rod 22 is engaged with the housing 41 through the buckle 411, and the piston rod 22 is convenient to be disassembled and assembled in a clamping manner.
Example III
As shown in fig. 7 to 9, the perfusion apparatus of the present embodiment includes a housing 1, a syringe assembly 2, a holding mechanism 3, a driving mechanism 4, and a pushing assembly 5;
the needle cylinder assembly 2 comprises a cylinder 21 and a piston rod 22, the cylinder 21 is detachably arranged on the bearing mechanism 3, and the piston rod 22 is arranged on the pushing assembly 5, so that the whole needle cylinder assembly 2 is fixed on the front surface of the shell 1, and injection is conveniently completed;
the driving mechanism 3 is arranged in the shell 1 and fixedly connected with the pushing component 5, and is used for driving the pushing component 5 to enable the piston rod 22 to execute piston motion in the cylinder 21, and when the piston rod 22 executes piston motion, plasma water can be injected into the ablation handle to be heated into steam;
the bearing mechanism 3 comprises a clamp 31 and a connecting rod 33, wherein the clamp 31 is connected to one end of the connecting rod 33 extending out of the shell 1, an elastic piece 332 is arranged at one end of the connecting rod 33 extending into the shell 1, the elastic piece 332 draws the clamp 31 towards one side close to the shell 1 and is used for clamping and fixing the barrel 21, the elastic piece 332 is a spring, and a fixing piece 331 for limiting the spring is arranged at one end of the connecting rod 33 extending into the shell 1, so that the connecting rod 33 is contracted inwards towards the shell 1 under the elastic action of the spring, the effect of fixing the clamping barrel 21 is achieved, medical staff can use the device conveniently in the actual treatment process, and the running stability of the ablation equipment is improved.
In this embodiment, be provided with on the casing 1 rather than the sleeve pipe 12 of inside intercommunication, the connecting rod 33 stretches into in the casing 1 through sleeve pipe 12, the outward appearance symmetry of connecting rod 33 is provided with two stopper 334, the inner wall symmetry of sleeve pipe 12 is provided with two spacing groove 121, stopper 334 and spacing groove 121 cooperation sleeve pipe 12 ability, the setting of sleeve pipe 12 can play spacing effect of supporting casing 1 and connecting rod 33 junction, and through the spacing groove 121 and the stopper 334 of setting mutually supporting, prevent that the position of connecting rod 33 from taking place the skew, improve the stability of its junction, be convenient for connecting rod 33 flexible in sleeve pipe 12.
Further, the inboard of anchor clamps 31 is provided with intubate 32, and the one end and the intubate 32 detachable connection of connecting rod 33, and the surface of intubate 32 is provided with a plurality of L shape breach 321, and the tip of connecting rod 33 is provided with protruding 333, and protruding 333 cooperatees with L shape breach 321, is convenient for the fixed of being connected between connecting rod 33 and the anchor clamps 31 through the intubate 32 of setting, and mutually supports with L shape breach 321 through a plurality of protruding 333, enables the connection between the two more firm, when using the syringe subassembly 2 of different models, can change the anchor clamps 31 of equidimension according to the in-service use condition, convenient to use.
It should be noted that, the lifting spring 322 is disposed in the insertion tube 32, the lifting spring 322 can support the end of the connecting rod 33 by an outward elastic force, and the end of the spring 322 can be fixed in the insertion tube 32 by an adhesive manner, so that the clamp 31 can be conveniently ejected from the connecting rod 33 by the lifting spring 322 in the process of removing the clamp 31.
Through the above, it is easy to find that, when the perfusion apparatus of the present application is used, the supporting mechanism 3 is used to clamp and fix the syringe assembly 2, so that the piston rod 22 can perform a piston movement in the cylinder 21, the plasma water is injected into the ablation handle to be heated into steam, and the hot steam is injected into the patient body through the ablation handle to achieve the purpose of scalding the focus tissue, thereby completing the treatment, specifically: the bearing mechanism 3 includes anchor clamps 31 and connecting rod 33, because connecting rod 33 draws close to the one side that is close to casing 1 through elastic component 332, make anchor clamps 31 of connecting rod 33 outer end fix the clamping of barrel 21 on the outer facade of casing 1, simultaneously, because connecting rod 33 and casing 1 intercommunication department is spacing through sleeve pipe 12, and utilize spacing groove 121 and stopper 334 to mutually support, prevent that the position of connecting rod 33 from taking place the skew, improve the stability of its junction, be convenient for connecting rod 33 flexible in sleeve pipe 12, in addition, the intubate 32 that sets up on the anchor clamps 31 is convenient for be fixed between connecting rod 33 and the anchor clamps 31, and cooperate with L-shaped breach 321 through a plurality of archs 333, can make the connection between them more firm, when using the needle cylinder subassembly 2 of different models, can change anchor clamps 31 of different sizes according to the in-service behavior, therefore, this bearing mechanism 3 can realize stable and reliable fixed effect to the needle cylinder subassembly 2 of perfusion apparatus, avoid the skew that appears in the in-process barrel 21 of perfusion, result in the interruption of perfusion treatment, and the operation of centre gripping and taking subassembly 2 are simple and swift, the medical personnel of being convenient for take the needle cylinder subassembly 2, the daily operation stability of the medical apparatus is improved.
Example IV
As shown in fig. 10, the fourth embodiment is an improvement scheme based on the third embodiment, and the improvement is that through the plurality of limiting groove bodies, the fixing of the syringe assembly is more stable, the front surface of the shell 1 is provided with the transverse groove 11, the groove 11 is in a circular arc shape, the outer curved surface of the cylinder 21 can be wrapped, the connection between the cylinder 21 and the outer vertical surface of the shell 1 is limited, and the position deviation is not easy to occur.
Further, one side of the shell 1 is also provided with a slot 13, and a handle at one end of the cylinder 21 can be inserted into the slot 13, so that the cylinder 21 is prevented from shaking in the process of performing the piston movement by the piston rod 22.
In addition, the inner side of the clamp 31 is provided with an arc notch 311, and the arc notch 311 is matched with the groove 11, so that the outer curved surface of the cylinder 21 can be wrapped, and the effect of limiting and fixing is achieved, so that the cylinder 21 is clamped more stably.
In the present application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact between the first feature and the second feature, or an indirect contact between the first feature and the second feature through an intervening medium.
Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
In the description of the present specification, reference to the description of the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., 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 application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (11)
1. An ablation device with manual clutch is suitable for a needle cylinder assembly and is characterized by comprising a shell, a driving mechanism, a clutch mechanism, a pushing assembly and a supporting mechanism; the bearing mechanism is arranged on the shell, the needle cylinder assembly comprises a cylinder body and a piston rod, the cylinder body is detachably arranged on the bearing mechanism, and the piston rod is arranged on the pushing assembly; the pushing component is connected with the clutch mechanism, and the piston rod is detachably arranged on the pushing component; the driving mechanism is arranged in the equipment shell; the driving mechanism is used for driving the pushing assembly to move along the horizontal direction, so that the piston rod moves relative to the cylinder body to complete the injection action; when the piston rod is arranged on the pushing component, the pushing component triggers the clutch mechanism to be linked with the driving mechanism; the driving mechanism comprises two vertical plates, a guide rod, a sliding block, a screw rod and a driving motor which are oppositely arranged; the guide rod and the screw rod are connected between the two vertical plates; the driving motor drives the screw rod to rotate, so that the sliding block slides left and right on the guide rod and is used for completing the injection action of the piston rod;
the clutch mechanism comprises a shell, a cover plate, a wrench and a sleeve; the cover plate is connected to the outer side of the shell; the wrench is connected to the outer side of the cover plate; the proximal end of the sleeve extends into the equipment shell and is connected with the sliding block; the distal end of the cannula is attached to the housing;
the clutch mechanism further comprises a lantern ring, a locking block, a transmission plate and a bolt; the sleeve ring is arranged on the side wall of the shell, the distal end of the bolt extends into the inner ring of the sleeve ring, and the proximal end of the bolt extends out of the shell in a wedge shape; the locking block is connected to the inner side of the cover plate through a spring; one end of the transmission plate is connected to the transmission rod; when the spanner is shifted, the spanner drives the transmission plate to rotate through the transmission rod, so that the spring ejects the bolt out of the shell through the locking block.
2. The manually clutched ablation device of claim 1, wherein: the output end of the driving motor is provided with a first gear, the end part of the screw rod is provided with a second gear, and the first gear is meshed with the second gear.
3. The manually clutched ablation device of claim 1, wherein: the pushing component comprises a transmission rod; the transmission rod is sleeved in the sleeve, and the proximal end of the transmission rod penetrates through the sliding block and is fixedly connected with a transmission block; the transmission block is provided with a thread notch meshed with the screw rod thread, and the wrench is shifted to realize the clutch between the driving mechanism and the piston rod.
4. The manually clutched ablation device of claim 1, wherein: the outer surface of the lantern ring is provided with a transverse groove and a vertical groove, and the transverse groove is communicated with the end part of the vertical groove; be provided with the spacer pin on the locking piece, the bolt protrusion when the surface of shell, the spacer pin is located horizontal inslot, the bolt atress is compressed into when the lantern ring, the spacer pin is located vertical inslot for carry out spacingly.
5. The manually clutched ablation device of claim 1, wherein: the connecting end of the locking block and the transmission plate is provided with a limiting rod, one end of the transmission plate is provided with a notch, and the limiting rod extends into the limiting notch.
6. The manually clutched ablation device of claim 1, wherein: the plug pin is provided with a limiting ring for preventing the plug pin from falling off from the shell.
7. The manually clutched ablation device of claim 1, wherein: the inner side of the outer surface of the shell is provided with a buckle, and the end part of the piston rod is matched with the shell in a clamping way through the buckle.
8. The manually clutched ablation device of claim 1, wherein: the bearing mechanism comprises a clamp and a connecting rod, the clamp is connected to one end of the connecting rod extending out of the shell, an elastic piece is arranged at one end of the connecting rod extending into the shell, and the elastic piece draws the clamp towards one side close to the shell and is used for clamping and fixing the cylinder.
9. The manually clutched ablation device of claim 8, wherein: the shell is provided with a sleeve communicated with the inside of the shell, and the connecting rod extends into the shell through the sleeve.
10. The manually clutched ablation device of claim 9, wherein: two limiting blocks are symmetrically arranged on the outer surface of the connecting rod, two limiting grooves are symmetrically arranged on the inner wall of the sleeve, and the limiting blocks are matched with the limiting grooves.
11. The manually clutched ablation device of claim 10, wherein: the inner side of the clamp is provided with an insertion tube, and one end of the connecting rod is detachably connected with the insertion tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011615525.8A CN112842511B (en) | 2020-12-31 | 2020-12-31 | Ablation equipment with manual clutch |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011615525.8A CN112842511B (en) | 2020-12-31 | 2020-12-31 | Ablation equipment with manual clutch |
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| CN112842511B true CN112842511B (en) | 2023-08-29 |
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| CN103120816A (en) * | 2013-02-04 | 2013-05-29 | 深圳玉升医疗科技有限公司 | Injection pump |
| CN103920211A (en) * | 2014-05-06 | 2014-07-16 | 深圳市尚荣医疗股份有限公司 | High-precision micro-injection pump and application thereof |
| CN208259979U (en) * | 2017-07-04 | 2018-12-21 | 聊城市斐然实凯科技有限公司 | A kind of the injection driving device and syringe pump of syringe pump |
| CN109675142A (en) * | 2018-12-26 | 2019-04-26 | 中南大学湘雅医院 | A kind of ICU section micro-injection pump installation |
| CN111407976A (en) * | 2020-03-06 | 2020-07-14 | 珠海凯生医用科技有限公司 | Injection mechanism and electronic injection pen |
| CN211584685U (en) * | 2019-12-21 | 2020-09-29 | 北京鑫禾丰医疗技术有限公司 | Syringe seat adjustable micro-injection pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9839753B2 (en) * | 2014-09-26 | 2017-12-12 | Medtronic Minimed, Inc. | Systems for managing reservoir chamber pressure |
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2020
- 2020-12-31 CN CN202011615525.8A patent/CN112842511B/en active Active - Reinstated
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120816A (en) * | 2013-02-04 | 2013-05-29 | 深圳玉升医疗科技有限公司 | Injection pump |
| CN103920211A (en) * | 2014-05-06 | 2014-07-16 | 深圳市尚荣医疗股份有限公司 | High-precision micro-injection pump and application thereof |
| CN208259979U (en) * | 2017-07-04 | 2018-12-21 | 聊城市斐然实凯科技有限公司 | A kind of the injection driving device and syringe pump of syringe pump |
| CN109675142A (en) * | 2018-12-26 | 2019-04-26 | 中南大学湘雅医院 | A kind of ICU section micro-injection pump installation |
| CN211584685U (en) * | 2019-12-21 | 2020-09-29 | 北京鑫禾丰医疗技术有限公司 | Syringe seat adjustable micro-injection pump |
| CN111407976A (en) * | 2020-03-06 | 2020-07-14 | 珠海凯生医用科技有限公司 | Injection mechanism and electronic injection pen |
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| CN112842511A (en) | 2021-05-28 |
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