CN219184343U - Pericardium treatment device - Google Patents

Abstract

The utility model relates to a pericardium processing device, which comprises a base, an appearance detection mechanism, a thickness measurement mechanism and a cutting mechanism, wherein the base is provided with a tray for bearing pericardium. The appearance detection mechanism is used for acquiring image information of the pericardium and identifying appearance defect items of the pericardium according to the image information. The thickness measuring mechanism is used for obtaining the thickness of the pericardium. The cutting mechanism is used for cutting the pericardium through appearance detection and thickness measurement to obtain the valve leaflet. Above-mentioned pericardium processing apparatus collects visual inspection, thickness measurement and valve leaf cutting function in an organic wholely, can accomplish processes such as appearance detection, thickness measurement and the cutting of pericardium through a device, need not to shift different production lines in the pericardium processing procedure, also need not many people's operations, has realized a single production line operation, has saved time cost and human cost, has improved the production efficiency of valve leaf.

Description

Pericardium treatment device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a pericardium treatment device.

Background

Interventional aortic valve implantation is a completely new minimally invasive valve replacement technique developed in recent international years, and the principle is to load a prosthetic valve into a delivery system, deliver the prosthetic valve to the aortic root by means of a catheter, and fix the prosthetic valve to the aortic valve annulus to replace the original valve with degraded function, so that the heart function of a patient is improved. The main raw material of the artificial valve is animal pericardium tissue, such as bovine pericardium or porcine pericardium, etc.

At present, various procedures for processing the pericardium are required to be carried out on different production lines, and the procedures are required to be operated by multiple persons, so that the procedures are redundant, the waste of personnel and working hours is caused, and the production efficiency is low.

Disclosure of Invention

Accordingly, it is necessary to provide a pericardium processing apparatus for the problem of how to improve the pericardium processing efficiency.

The technical proposal is as follows

In one aspect, the present application provides a pericardium processing device comprising:

the base is provided with a tray for bearing pericardium;

the appearance detection mechanism is used for acquiring the image information of the pericardium and identifying appearance defect items of the pericardium according to the image information;

a thickness measurement mechanism for obtaining the thickness of the pericardium; the method comprises the steps of,

and the cutting mechanism is used for cutting the pericardium when the appearance detection mechanism detects that the appearance of the pericardium is qualified and the thickness of the pericardium measured by the thickness measurement mechanism is within a preset range.

The technical scheme of the application is further described below:

in one embodiment, the base comprises a fixed seat and a movable seat movably connected with the fixed seat, the tray is arranged on the movable seat, the tray is provided with an appearance detection station corresponding to the position of the appearance detection mechanism, a thickness measurement station corresponding to the position of the thickness measurement mechanism and a cutting station corresponding to the position of the cutting mechanism, and the movable seat can move relative to the fixed seat so as to convey the tray to any one of the appearance detection station, the thickness measurement station and the cutting station.

In one embodiment, the movable seat can rotate around a certain axis relative to the fixed seat, and the appearance detection station, the thickness measurement station and the cutting station are circumferentially arranged around the fixed axis.

In one embodiment, the movable seat can move relative to the fixed seat, and the appearance detection station, the thickness measurement station and the cutting station are arranged at intervals along the moving path of the movable seat.

In one embodiment, one of the movable seat and the fixed seat is provided with a telescopic positioning piece, the other is provided with a first clamping groove, a second clamping groove and a third clamping groove at intervals, and when the tray enters the appearance detection station, the telescopic positioning piece is clamped with the first clamping groove to lock the movable disc; when the tray enters the thickness measuring station, the telescopic positioning piece is clamped with the second clamping groove to lock the movable disc; when the tray enters the cutting station, the telescopic positioning piece is clamped with the third clamping groove to lock the movable tray.

In one embodiment, the pericardium processing device further comprises a movable arm, wherein the appearance detecting mechanism, the thickness measuring mechanism and the cutting mechanism are all mounted on the movable arm, and the movable arm is used for driving any one of the appearance detecting mechanism, the thickness measuring mechanism and the cutting mechanism to move to the upper portion of the tray.

In one embodiment, the appearance detection mechanism includes:

the camera is used for acquiring the image information of the pericardium;

the image processing module is in communication connection with the camera and is used for processing the image information to identify the appearance defect item of the pericardium and outputting the ratio of the area of the appearance defect item to the total area of the pericardium.

In one embodiment, the thickness measuring mechanism includes:

a measurement sensor capable of acquiring a thickness of the pericardium when in abutment with the pericardium; the method comprises the steps of,

the lifting driving piece is connected with the measuring sensor and used for driving the measuring sensor to move close to or far away from the tray so as to enable the measuring sensor to be abutted to or separated from the pericardium.

In one embodiment, the measuring sensor comprises a plurality of contacts, the contacts are distributed at intervals, and each contact is used for acquiring the thickness of different parts of the pericardium.

In one embodiment, the cutting mechanism includes a pressure applicator and a flap She Moju coupled to the pressure applicator, the flap She Moju being configured to cut the pericardium under the drive of the pressure applicator to obtain the leaflet.

In one embodiment, the cutting mechanism comprises a laser cutter, the tray is provided with a mark, the laser cutter can position the mark and cut pericardium based on the mark to obtain the valve leaflet.

Above-mentioned pericardium processing apparatus has integrated appearance detection mechanism, thickness measurement mechanism and cutting mechanism for pericardium processing apparatus collects appearance inspection, thickness measurement and valve leaf cutting function in an organic wholely, can accomplish processes such as appearance detection, thickness measurement and the cutting of pericardium through a device, need not to shift different production lines in the pericardium processing process, also need not many people's operation, has realized single production line operation, has saved time cost and human cost, has improved the production efficiency of valve leaf. And carry out outward appearance detection to the pericardium through outward appearance detection mechanism, carry out thickness measurement to the pericardium through thickness measurement mechanism to can detect out the outward appearance of pericardium fast, accurately and the usable area that thickness is all qualified, so can make full use of the pericardium tissue, improve the utilization ratio of pericardium, reduce the waste of production raw materials, saved manufacturing cost.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a pericardium processing device according to an embodiment;

FIG. 2 is a schematic view of the pericardial treatment device shown in FIG. 1 from another perspective;

FIG. 3 is a front view of the pericardium processing device shown in FIG. 1;

fig. 4 is a partial enlarged view of a portion of fig. 3.

Reference numerals illustrate:

11. a movable seat; 111. a tray; 12. a fixing seat; 131. a first fixing portion; 132. a second fixing portion; 133. a third fixing portion; 20. appearance detection means; 21. a camera; 30. a thickness measuring mechanism; 31. a lifting driving member; 32. a measuring sensor; 321 contacts; 40. a cutting mechanism; 41. a pressurizing member; 42. petals She Moju; 51. a retractable positioning member; 52. a first clamping groove; 53. a second clamping groove; 54. and a third clamping groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Specifically, an embodiment of the present application provides a pericardial treatment device for detecting isolated pericardial tissue, and cutting the pericardial tissue that is qualified for detection to obtain the valve leaflet required by the prosthetic valve. The pericardial tissue may be obtained from isolated bovine or porcine pericardium or other animal pericardium. Specifically, referring to fig. 1 to 3, a pericardium processing apparatus according to an embodiment includes a base, an appearance detecting mechanism 20, a thickness measuring mechanism 30, and a cutting mechanism 40, wherein the base is provided with a tray 111 for carrying pericardium. The appearance detecting means 20 is for acquiring image information of the pericardium and identifying appearance defect items of the pericardium based on the image information. The thickness measuring mechanism 30 is used to obtain the thickness of the pericardium. When the appearance detecting means 20 detects that the appearance of the pericardium is acceptable and the thickness of the pericardium measured by the thickness measuring means 30 is within a preset range, the cutting means 40 cuts the pericardium to obtain the leaflet.

Specifically, the pericardium is placed on tray 111 prior to the procedure. During operation, the appearance detection process is first performed: the image information of the pericardium is acquired by the appearance detecting means 20, and the appearance detecting means 20 can identify appearance defect items of the pericardium based on the image information, wherein the appearance defect items include, but are not limited to, blood vessels, large area fiber defects, blood stains, and the like in appearance. When the proportion of the area of the appearance defect item to the total area of the pericardium is smaller than a preset threshold, for example, in the embodiment, when the area of the appearance defect item is smaller than 50% of the total area of the pericardium, the pericardium appearance is judged to be qualified. And then performing a thickness measurement procedure on the pericardium with qualified appearance detection. In the thickness measuring step, the thickness of the pericardium is measured by the thickness measuring means 30, and when the thickness of the pericardium is within a certain range, for example, in the present embodiment, when the thickness of the pericardium is 0.20mm to 0.60mm, the thickness of the pericardium is judged to be acceptable. Finally, the pericardium with qualified appearance and thickness is subjected to a cutting process, and the pericardium is cut by the cutting mechanism 40 in the loading and cutting process, so that the valve leaflet is obtained.

Above-mentioned pericardium processing apparatus has integrated appearance detection mechanism 20, thickness measurement mechanism 30 and cutting mechanism 40 for pericardium processing apparatus collects appearance inspection, thickness measurement and valve leaf cutting function in an organic wholely, can accomplish processes such as appearance detection, thickness measurement and the cutting of pericardium through a device, need not to shift different production lines in the pericardium processing process, also need not many people to operate, has realized a single production line operation, has saved time cost and human cost, has improved the production efficiency of valve leaf. And carry out outward appearance detection to the pericardium through outward appearance detection mechanism 20, carry out thickness measurement to the pericardium through thickness measurement mechanism 30 to can detect out the appearance of pericardium fast, accurately and the usable area that thickness is qualified, so can make full use of the pericardium tissue, improve the utilization ratio of pericardium, reduce the waste of raw materials of production, saved manufacturing cost.

Further, in the present embodiment, the base includes a fixed base 12 and a movable base 11, wherein the movable base 11 is movably connected with the fixed base 12. The tray 111 is disposed on the movable base 11, the tray 111 has an appearance detecting station corresponding to the position of the appearance detecting mechanism 20, a thickness measuring station corresponding to the position of the thickness measuring mechanism 30, and a cutting station corresponding to the position of the cutting mechanism 40, and the movable base 11 can move relative to the fixed base 12 to convey the tray 111 to any one of the appearance detecting station, the thickness measuring station, and the cutting station. Specifically, in operation, the movable base 11 transfers the tray 111 carrying the pericardium to the appearance detecting station so that the appearance detecting mechanism 20 detects the appearance of the pericardium, then transfers the pericardium qualified in appearance detection to the thickness measuring station through the movable base 11 so that the thickness measuring mechanism 30 measures the thickness of the pericardium, and finally transfers the pericardium qualified in thickness to the cutting station through the movable base 11 so that the cutting mechanism 40 measures the pericardium.

Further, the base further includes a fixing frame, and the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 are all mounted on the fixing frame. Preferably, the fixing frame includes a first fixing portion 131, and a second fixing portion 132 and a third fixing portion 133 disposed at two sides of the first fixing portion 131 at intervals, the appearance detecting mechanism 20 is disposed above the movable seat 11 through the first fixing portion 131, the thickness measuring mechanism 30 is disposed above the movable seat 11 through the second fixing portion 132, and the cutting mechanism 40 is disposed above the movable seat 11 through the third fixing portion 133. It should be noted that, in other embodiments, the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 may be fixed to an external device, so that a fixing frame is omitted.

Optionally, in an embodiment, the movable seat 11 is rotatably connected with the fixed seat 12, the movable seat 11 can rotate around a certain axis relative to the fixed seat 12, the appearance detecting station, the thickness measuring station and the cutting station are circumferentially arranged around the certain axis, the appearance detecting mechanism 20 is disposed above the appearance detecting station, the thickness measuring mechanism 30 is disposed above the thickness measuring station, and the cutting mechanism 40 is disposed above the cutting station, so that by rotating the movable seat 11, the tray 111 carrying the pericardium can be sequentially transferred to the appearance detecting station, the thickness measuring station and the cutting station.

In another embodiment, the movable base 11 can move relative to the fixed base 12, for example, the movable base 11 is movably matched with the fixed base 12 through a sliding rail or a rack-and-pinion mechanism. The appearance detecting station, the thickness measuring station and the cutting station are arranged at intervals along the moving path of the movable seat 11. Also in this embodiment, the appearance inspection mechanism 20 is disposed above the appearance inspection station, the thickness measurement mechanism 30 is disposed above the thickness measurement station, and the cutting mechanism 40 is disposed above the cutting station. By moving the movable base 11 in this way, the pericardium-carrying tray 111 can be transferred to the appearance inspection station, the thickness measurement station, and the cutting station in this order.

Further, in an embodiment, a positioning mechanism is further disposed between the movable seat 11 and the fixed seat 12, and the positioning mechanism is used for locking the movable seat 11 when the tray 111 enters the appearance detecting station, the thickness measuring station and the cutting station, so as to avoid errors caused by the movement of the movable seat 11 during the corresponding processing of the pericardium at each station.

Preferably, referring to fig. 4, in the present embodiment, the positioning mechanism includes a retractable positioning member 51 disposed on the movable seat 11, and a first clamping groove 52, a second clamping groove 53 and a third clamping groove 54 that are formed on the fixed seat 12 at intervals. Wherein the retractable positioning member 51 may be an electric telescopic rod or an elastic telescopic member. When the tray 111 enters the appearance detection station, the telescopic positioning piece 51 stretches and enters the first clamping groove 52 to lock the movable seat 11, and when the tray 111 needs to exit the appearance detection station, the telescopic positioning piece 51 shortens and exits the first clamping groove 52, and at the moment, the locking of the movable seat 11 can be released. Similarly, when the tray 111 enters the thickness measuring station, the retractable positioning piece 51 is extended again and enters the second clamping groove 53 to lock the movable seat 11; when the tray 111 needs to be withdrawn from the thickness measuring station, the retractable fixing member 51 is shortened and withdrawn from the second clamping groove 53 to unlock the movable seat 11. When the tray 111 enters the cutting station, the retractable positioning piece 51 is extended again and enters the third clamping groove 54 to lock the movable seat 11; when the tray 111 needs to be withdrawn from the cutting station, the retractable positioning piece 51 is shortened and withdrawn from the third clamping groove 54 to unlock the movable seat 11.

It should be understood that in other embodiments, the retractable positioning member 51 may be disposed on the fixed base 12, and the first clamping groove 52, the second clamping groove 53 and the third clamping groove 54 may also be formed on the movable base 11, so that the movable base 11 can be locked by the retractable positioning member 51 and the clamping grooves when the tray 111 enters the appearance detecting station, the thickness measuring station and the cutting station, which will not be described herein.

In other embodiments, the tray 111 of the base may be fixed, and the appearance detecting mechanism 20, the thickness measuring mechanism 30 and the cutting mechanism 40 sequentially move above the tray 111 to perform corresponding processing on the pericardium in the tray 111. Specifically, in one embodiment, the pericardium processing apparatus further includes a movable arm, where the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 are all mounted, and the movable arm is used to drive any one of the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 to move above the tray 111, so as to implement each process on the pericardium in the tray 111.

Optionally, in an embodiment, the movable arm may be a rotating arm, where the rotating arm is disposed above the base, and the rotating arm can rotate around its own axis, and the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 are circumferentially disposed around the axis of the rotating arm, so that the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 can be sequentially operated above the tray 111 by rotating the rotating arm to perform corresponding procedure operations on the pericardium in the tray 111.

It should be noted that, in other embodiments, the movable arm may be a linear driving shaft, a multi-axis mechanical arm, or the like, so that the appearance detecting mechanism 20, the thickness measuring mechanism 30, and the cutting mechanism 40 can be driven to sequentially move above the tray 111 to perform corresponding procedure operations on the pericardium in the tray 111, which is not limited herein.

Referring to fig. 1, in an embodiment, the appearance detecting mechanism 20 includes a camera 21 and an image processing module, wherein the camera 21 is used for acquiring image information of the pericardium. The image processing module is in communication connection with the camera 21, and is used for processing the image information to identify the appearance defect item of the pericardium and outputting the ratio of the area of the appearance defect item to the total area of the pericardium. When the ratio of the area of the appearance defect item to the total area of the pericardium is smaller than the preset threshold, for example, in the embodiment, when the area of the appearance defect item is smaller than 50% of the total area of the pericardium, the pericardium appearance is judged to be qualified.

Specifically, the image processing module includes a database with a large number of qualified pericardium pictures and unqualified pericardium pictures, and the image processing module obtains an image of the pericardium to be detected through the camera 21 and then compares the image with the pictures in the database, thereby identifying an appearance defect item of the pericardium to be detected and obtaining an area ratio of the appearance defect item. The data of the database is derived from pericardium pictures collected in daily production activities, and the pericardium pictures are arranged into data in a recorded form for self learning and perfection of the image processing module, so that the analysis accuracy of the image processing module is improved.

Further, the appearance detection mechanism further comprises a detection lamp, wherein the detection lamp is used for providing illumination for acquiring the pericardial image at the camera 21, so that the camera 21 is assisted to acquire the pericardial image information with higher definition, and the detection accuracy is improved.

Referring to fig. 1 and 3, the thickness measuring mechanism 30 includes a measuring sensor 32 and a lifting driving member 31, the measuring sensor 32 is connected to the lifting driving member 31, and the measuring sensor 32 can move toward or away from the tray 111 by the lifting driving member 31, thereby abutting against or separating from the pericardium. Further, the measurement sensor 32 can acquire the thickness of the pericardium when it is abutted against the pericardium. Preferably, the measuring sensor 32 is a down-pressure measuring sensor, the measuring sensor is provided with a telescopic contact 321, when the contact 321 contacts the pericardium, the contact 321 is contracted, and a data analysis system in the measuring sensor 32 can convert the contraction amount of the contact 321 into voltage amount change and finally into thickness information of the pericardium. And when the thickness of the pericardium is within a certain range, judging that the thickness of the pericardium is qualified. Preferably, the lifting drive 31 may be a cylinder or other linear pushing mechanism

Preferably, the measuring sensor 32 includes a plurality of contacts 321, the plurality of contacts 321 are distributed at intervals, and each contact 321 is used for obtaining the thickness of different parts of the pericardium, thereby improving the accuracy of thickness measurement and measuring the thickness uniformity of different parts of the pericardium.

It should be noted that there are many ways to measure the pericardium thickness, and the method is not limited to the above-mentioned pressing-down type measurement method, for example, in another embodiment, the thickness measuring mechanism 30 may be a laser rangefinder, the distance from the preset reference point to the tray 111 is measured by the laser of the laser rangefinder, the distance from the preset reference point to the pericardium is measured, and the pericardium thickness is obtained by calculating the difference.

Referring to fig. 2 and 3, the cutting mechanism 40 includes a pressing member 41 and a flap She Moju 42 connected to the pressing member 41, and the flap She Moju 42 is used to cut the pericardium to obtain the leaflet under the driving of the pressing member 41. Specifically, the pressing member 41 may be a ram-type pressing device or a hydraulic system, and the pressing force applied to the petals She Moju by the hydraulic pressing member 41 causes the petals She Moju 42 to press against the pericardium to cut out the leaflets matching the shape of the petals She Moju on the pericardium.

Further, the petals She Moju 42 are detachably connected to the pressing member 41, so that the petals She Moju 42 of different specifications can be replaced according to the required cut leaflet sizes, and the use flexibility is improved.

Alternatively, in another embodiment, laser cutting of the pericardium to obtain the leaflets may also be used. Specifically, the cutting mechanism 40 includes a laser cutter, the tray 111 is provided with a mark, the laser cutter can position the mark, and the pericardium is cut with the mark as a reference to obtain the leaflet. Specifically, the laser cutting machine generally performs cutting operation along a cutting path planned by a computer program, the cutting path is generally stored in the computer program in a form of a coordinate point, and a mark is set on the storage tube of the tray 111, so that the laser cutting machine can rapidly position the pericardium, and the cutting path is planned by taking the mark as a reference, so that the laser cutting machine can accurately cut a required valve leaflet shape. Preferably, the tray 111 is made of transparent material, so that the laser cutting machine can quickly identify the mark arranged on the tray.

Based on the pericardium processing device, the application also provides a manufacturing method of the artificial valve leaflet, which comprises the following steps:

s110, placing the pericardium on a tray 111 of a base;

s120, the appearance detection mechanism 20 acquires image information of the pericardium on the tray, identifies appearance defect items of the pericardium according to the image information, and outputs the ratio of the area of the appearance defect items to the total area of the pericardium;

s130, transferring the pericardium to the thickness measuring mechanism 30 when the ratio of the area of the appearance defect item to the total area of the pericardium is smaller than a preset threshold;

s140, the thickness measuring mechanism 30 acquires the thickness of the pericardium;

s150, transferring the pericardium to the cutting mechanism 40 when the pericardium thickness is within a preset range;

the pericardium is cut by cutting mechanism 40 to obtain leaflets S160.

According to the manufacturing method of the artificial valve leaflet, the pericardium processing device can be used for completing the procedures of appearance detection, thickness measurement, valve She Caiqie and the like of the pericardium in one step, different production lines are not required to be transferred in the pericardium processing process, and a plurality of persons are not required to operate, so that one-person one-production-line operation is realized, the time cost and the labor cost are saved, and the production efficiency of the leaflet is improved. And before cutting, carry out outward appearance detection to the pericardium through outward appearance detection mechanism 20, carry out thickness measurement to the pericardium through thickness measurement mechanism 30 to can detect out the outward appearance of pericardium and the qualified usable area of thickness fast, accurately, thereby can make full use of the pericardium tissue, improve the utilization ratio of pericardium, reduce the waste of production raw materials, saved manufacturing cost.

Further, the method for manufacturing a prosthetic valve leaflet may further include the following steps after step S120:

s131, detecting the appearance of the pericardium when the ratio of the area of the appearance defect item to the total area of the pericardium is greater than or equal to a preset threshold value, and transferring the pericardium to a thickness measuring mechanism 30 for thickness measurement when the available area of the appearance of the pericardium is greater than the area required for cutting the valve leaflet.

Specifically, when the appearance detecting mechanism 20 detects that the appearance of the pericardium is unqualified, the method is switched to the manual detection mode, and the available area of the appearance of the pericardium is manually analyzed, and when the available area of the appearance of the pericardium is enough to cut the valve leaflet, the pericardium is transferred to the thickness measuring mechanism 30 for thickness measurement, so that the utilization rate of the pericardium is improved, and waste caused by that the available area is not detected by the appearance detecting mechanism 20 is avoided. Further, when the available area of the appearance of the pericardium is judged to be insufficient manually, the pericardium is removed.

Further, the following steps may be further included after step S120:

s151, when the thickness of the pericardium is not in a preset range, analyzing the usable area with qualified pericardium thickness, and when the usable area with qualified pericardium thickness is larger than the area required by cutting the valve leaflet, manually marking the area with qualified pericardium thickness, and transferring the pericardium to a cutting mechanism 40;

and S152, cutting the thickness qualified area of the pericardium by the cutting mechanism 40 to obtain the valve leaflet.

Specifically, when the thickness measuring mechanism 30 measures that the thickness of the pericardium is not qualified, the method is switched to the manual measuring mode, the thickness information of the pericardium is manually analyzed, if the available area with qualified thickness is enough to cut the valve leaflet, the thickness qualified area is manually marked, and the pericardium is transferred to the cutting mechanism 40 to cut the thickness qualified area, so that the utilization rate of the pericardium is further improved, and the waste caused by that the thickness measuring mechanism 30 does not detect the available area is avoided. Further, when the available area of the thickness is manually judged to be insufficient, the pericardium is removed.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, 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; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher 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 less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Claims (11)

1. A pericardial treatment device, comprising:

the base is provided with a tray for bearing pericardium;

the appearance detection mechanism is used for acquiring the image information of the pericardium and identifying appearance defect items of the pericardium according to the image information;

a thickness measurement mechanism for obtaining the thickness of the pericardium; the method comprises the steps of,

and the cutting mechanism is used for cutting the pericardium when the appearance detection mechanism detects that the appearance of the pericardium is qualified and the thickness of the pericardium measured by the thickness measurement mechanism is within a preset range.

2. The pericardial treatment device according to claim 1, wherein the base comprises a fixed seat and a movable seat movably connected to the fixed seat, the tray is provided to the movable seat, the tray has an appearance detection station corresponding to the appearance detection mechanism position, a thickness measurement station corresponding to the thickness measurement mechanism position, and a cutting station corresponding to the cutting mechanism position, and the movable seat is movable relative to the fixed seat to convey the tray to any one of the appearance detection station, the thickness measurement station, and the cutting station.

3. The pericardial treatment device according to claim 2, wherein the movable seat is rotatable about an axis relative to the fixed seat, and the appearance detection station, the thickness measurement station, and the cutting station are circumferentially arranged about the axis.

4. The pericardial treatment device according to claim 2, wherein the movable seat is movable relative to the fixed seat, and the appearance detecting station, the thickness measuring station, and the cutting station are arranged at intervals along a movement path of the movable seat.

5. The pericardial treatment device according to any one of claims 2-4, wherein one of the movable seat and the fixed seat is provided with a retractable positioning member, and the other is provided with a first clamping groove, a second clamping groove and a third clamping groove at intervals, and when the tray enters the appearance detection station, the retractable positioning member is clamped with the first clamping groove to lock the movable tray; when the tray enters the thickness measuring station, the telescopic positioning piece is clamped with the second clamping groove to lock the movable disc; when the tray enters the cutting station, the telescopic positioning piece is clamped with the third clamping groove to lock the movable tray.

6. The pericardial treatment device according to claim 1, further comprising a movable arm to which the appearance detection mechanism, the thickness measurement mechanism, and the cutting mechanism are mounted, the movable arm being configured to drive any one of the appearance detection mechanism, the thickness measurement mechanism, and the cutting mechanism to move above the tray.

7. The pericardial treatment device according to claim 1, wherein the appearance detecting means comprises:

the camera is used for acquiring the image information of the pericardium;

the image processing module is in communication connection with the camera and is used for processing the image information to identify the appearance defect item of the pericardium and outputting the ratio of the area of the appearance defect item to the total area of the pericardium.

8. The pericardial treatment device according to claim 1, wherein the thickness measuring mechanism comprises:

a measurement sensor capable of acquiring a thickness of the pericardium when in abutment with the pericardium; the method comprises the steps of,

the lifting driving piece is connected with the measuring sensor and used for driving the measuring sensor to move close to or far away from the tray so as to enable the measuring sensor to be abutted to or separated from the pericardium.

9. The pericardial treatment device according to claim 8, wherein the measuring sensor comprises a plurality of contacts, the plurality of contacts being spaced apart, each of the contacts being for obtaining a thickness of a different portion of the pericardium.

10. The pericardium processing device according to claim 1, wherein the cutting mechanism comprises a pressure member and a flap She Moju connected to the pressure member, the flap She Moju being for cutting the pericardium under the drive of the pressure member to obtain the leaflet.

11. The pericardial treatment device according to claim 10, wherein the cutting mechanism comprises a laser cutter, the tray is provided with a mark, the laser cutter is capable of positioning the mark and cutting the pericardium based on the mark to obtain the leaflet.

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