Assessment method and system for ability of medical personnel to repeatedly complete specified actions

Abstract

The invention discloses an assessment method for the ability of medical personnel to repeatedly complete specified actions, and relates to the field of surgical skill assessment, and the method comprises the steps: collecting a standard path corresponding to a specified action and a plurality of training paths; performing standardization processing on the collected data, calculating distances between all path points in each training path and corresponding path points in a standard path, and sorting the distances from large to small to obtain a second distance set; based on each distance value dj in the second distance set, the volume of a cylinder with the standard path as the center axis is calculated to serve as the motion space volume Vj; sequentially traversing the dj in the second distance set, obtaining a corresponding reliable path number Tj based on each dj, and calculating a corresponding reliability Rj in combination with the total number of training paths; and based on the Rj and the Vj corresponding to each dj, calculating a reliability degradation speed RDVj corresponding to each dj, and based on the RDVj, evaluating the ability of the medical personnel to repeatedly complete the specified action. According to the invention, the ability of medical personnel to repeatedly complete specified actions is quantified.

Description

Technical Field

[0001] The present application relates to the field of surgical skill assessment, and is related to, but not limited to, a method and system for assessing the ability of medical personnel to repeatedly complete specified actions. Background Art

[0002] During surgical skills training, surgical skill method assessment is integrated throughout the training process. It is a crucial method for measuring medical students' skill learning ability and physicians' professional proficiency, and is crucial for developing appropriate skill training programs for both students and physicians. Limited by the challenges of reduced operating times, shorter resident work schedules, and ethical and legal issues, surgical skill assessment methods based on surgical instrument motion primarily utilize kinematic metrics to assess a trainee's ability to complete a specific action within a specified time and under specified conditions.

[0003] However, when trainees attempt to improve the accuracy of a given surgical action through repeated training over a period of time, uncertainties such as fatigue can have both positive and negative effects on the learning process, making it difficult to definitively determine. For example, the "working volume" metric, which represents the space occupied by the wrist during a movement, can lead to movement distortions, with longer training sessions resulting in longer single movements and larger working volume. Alternatively, trainees can experience movement rigidity, with shorter single movements and smaller working volume. Clearly, even though working volume and other metrics have been used to assess skill characteristics within a single surgical session in simulation training, periodontal probing, surgical skill assessment, open surgery suturing simulation systems, non-field physical examinations, laparoscopic ventral hernia repair simulations, laparoscopic skill assessments, intestinal repair and laparoscopic ventral hernia (LVH) repair, and rapid trauma ultrasound, they still cannot assess a trainee's ability to repeatedly perform a given action during surgical skills training.

[0004] Therefore, although objective evaluation methods based on surgical instrument movement have been widely used in various types of surgeries, effectively making up for the shortcomings of traditional subjective evaluation and providing technical support for the efficient and objective evaluation of surgical skills, they are unable to evaluate the ability of trainees to repeatedly complete specified surgical actions in a specified space within a continuous time during surgical training, and provide theoretical guidance for the reasonable arrangement of training tasks. Summary of the Invention

[0005] In order to make up for the deficiencies of existing indicators, embodiments of the present application provide a method and system for evaluating the ability of medical personnel to repeatedly complete specified actions.

[0006] The technical solution of the embodiment of the present application is implemented as follows: In a first aspect, embodiments of the present application provide a method for evaluating a medical personnel's ability to repeatedly perform a specified action, the method comprising: Collect the standard path and multiple training paths corresponding to the specified action; standardize the collected data to obtain the point set of the standard path in three-dimensional space and the point set of each training path in three-dimensional space, and calculate the distance between all path points in each training path and the corresponding path points in the standard path to obtain a first distance set; sort the distance values ​​in the first distance set from large to small to obtain a second distance set; for each distance value in the second distance set, calculate the volume of a cylinder with the standard path as the central axis as the action space volume; wherein the height of the cylinder is the geometric length of the standard path; traverse the distance values ​​in the second distance set in sequence, and based on each distance value d j The corresponding cylindrical range checks the reliability of multiple training paths and obtains the distance value d j The corresponding number of reliable paths T j , and calculate the distance value d based on the total number of training paths j Corresponding reliability; based on the reliability corresponding to each distance value and the corresponding action space volume, the reliability degradation rate corresponding to each distance value is obtained through the constructed reliability degradation rate calculation formula; based on the reliability degradation rate corresponding to each distance value, the medical staff's ability to repeatedly complete the specified action is evaluated.

[0007] In some embodiments, the reliability degradation rate calculation formula is: ; in, is the reliability degradation rate corresponding to the j-th distance value in the second distance set; is the reliability corresponding to the j-th distance value in the second distance set; is the reliability corresponding to the j-1th distance value in the second distance set; is the action space volume corresponding to the j-th distance value in the second distance set; is the action space volume corresponding to the j-1th distance value in the second distance set; M is the total number of training paths; is the number of waypoints on the standard path.

[0008] In some embodiments, the step of evaluating the medical personnel's ability to repeatedly complete a specified action based on the reliability degradation rate corresponding to each distance value includes the following steps: Step S71, select distance value , , is a set of data, according to its corresponding three action space volumes , , and three reliability , , The two reliability degradation rates are calculated as follows: and ; The variable i takes values ​​from 1 to Natural numbers in the range -2; Step S72: Calculate the change in reliability degradation rate : ; Step S73, when When Corresponding reliability volume As an evaluation indicator; when When , the variable i is updated to the next natural number, and the process returns to step S71 to select the next group; When i takes the value -2 and When Corresponding reliability volume As an evaluation indicator; in, is the preset threshold; is the total number of training paths; is the number of waypoints on the standard path; is the reliability volume corresponding to the i-th distance value in the second distance set. The reliability volume is used to quantify the ability of medical personnel to repeatedly complete a specified action in a continuous time and a limited space.

[0009] In some embodiments, the distances between all path points in each training path and the corresponding path points in the standard path are calculated using the following formula: ; in, is the nth path point in the mth training path The nth path point in the standard path The distance value; is the nth path point in the mth training path; is the nth path point in the standard path; is the Euclidean norm.

[0010] In some embodiments, the volume of the cylinder is calculated by the following formula: ; in, is the jth distance value in the second distance set; h is the geometric length of the standard path; is the volume of the cylinder corresponding to the j-th distance value in the second distance set.

[0011] In some embodiments, the reliability corresponding to the distance value is calculated using the following formula: ; ; in, is the reliability corresponding to the j-th distance value in the second distance set; is the number of reliable paths corresponding to the jth distance value in the second distance set; M is the total number of training paths; To satisfy The number of training paths; is the nth path point in the mth training path The nth path point in the standard path The distance value; is the jth distance value in the second distance set.

[0012] In a second aspect, an embodiment of the present application provides a system for evaluating the ability of medical personnel to repeatedly perform specified actions, the system comprising: Data collection module, used to collect standard paths and multiple training paths corresponding to specified actions; a first distance set acquisition module, configured to perform normalization processing on the collected data to obtain a point set of the standard path in three-dimensional space and a point set of each training path in three-dimensional space, and to calculate the distances between all path points in each training path and the corresponding path points in the standard path to obtain a first distance set; A second distance set acquisition module, configured to sort the distance values ​​in the first distance set from largest to smallest to obtain a second distance set; an action space volume calculation module, configured to calculate, for each distance value in the second distance set, a volume of a cylinder with the standard path as a central axis as the action space volume; wherein the height of the cylinder is the geometric length of the standard path; The reliability calculation module is used to sequentially traverse the distance values ​​in the second distance set and calculate the reliability of each distance value d. j The corresponding cylindrical range checks the reliability of multiple training paths and obtains the distance value d j The corresponding number of reliable paths T j , and calculate the distance value d based on the total number of training paths j Corresponding reliability; A reliability degradation rate calculation module is used to obtain the reliability degradation rate corresponding to each distance value based on the reliability corresponding to each distance value and the corresponding action space volume through the constructed reliability degradation rate calculation formula; The module for evaluating the ability to complete specified actions is used to evaluate the ability of medical personnel to repeatedly complete specified actions based on the reliability degradation rate corresponding to each distance value.

[0013] The beneficial effects of the technical solutions provided in the embodiments of the present application include at least: In the embodiments of the present application, a new indicator, the reliability degradation rate, is proposed to quantify the ability of medical personnel to repeatedly complete a specified action in a confined space within a continuous time. This indicator shows obvious feasibility in evaluating the ability of action training in a small space within a continuous time, especially in minimally invasive surgical action training that is mainly based on subjective evaluation. How to provide a more reasonable evaluation training accuracy. By proposing the reliability degradation rate for repeated surgical actions within a continuous time, this method provides guidance for the reasonable quantification of the ability to repeatedly complete a specified action within a continuous time and in a surgical training environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive work, among which: Figure 1 A flowchart of a method for assessing the ability of medical personnel to repeatedly perform specified actions; Figure 2 A schematic diagram of the action space volume provided in an embodiment of the present application; Figure 3 A reliability diagram provided by an embodiment of the present invention; Figure 4 A structural diagram of a system for evaluating the ability of medical personnel to repeatedly complete specified actions; Reference numerals: 1 - initial action space; 2 - action space after the first iteration; 3 - action space after the second or subsequent iterations; 4 - final action space; 5 - path outside the action space. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. The following examples are used to illustrate the present application, but are not intended to limit the scope of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0016] In the following description, reference is made to “some embodiments”, which describes a subset of all possible embodiments, but it will be understood that “some embodiments” may be the same subset or different subsets of all possible embodiments and may be combined with each other without conflict.

[0017] It should be pointed out that the terms "first\second\third" involved in the embodiments of the present application are merely used to distinguish similar objects and do not represent a specific ordering of the objects. It can be understood that "first\second\third" can be interchanged with a specific order or sequence where permitted, so that the embodiments of the present application described here can be implemented in an order other than that illustrated or described here.

[0018] Those skilled in the art will understand that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as generally understood by those skilled in the art in the art to which the embodiments of the present application belong. It should also be understood that terms such as those defined in common dictionaries should be understood to have meanings consistent with their meanings in the context of the prior art, and will not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0019] Example 1 Figure 1 This is a flowchart of the assessment method for medical personnel's ability to repeatedly complete specified actions, such as Figure 1 As shown, the present embodiment provides a method for evaluating the ability of medical personnel to repeatedly complete a specified action, the method comprising: Step S1: Collect the standard path and multiple training paths corresponding to the specified action.

[0020] Here, the standard path for a specific action refers to the standardized operating procedures and trajectory standards for a specific surgical action (such as tissue separation, suturing, and hemostasis), established by industry consensus, clinical guidelines, or authoritative organizations. The training path for a specific action is a phased, systematic training process designed to help surgeons master the standard action path. This path follows the principles of skill learning (from cognitive stage to connection stage to automation stage) and gradually improves operational accuracy and proficiency through simulation training, step-by-step practice, and feedback optimization.

[0021] Step S2: standardize the collected data to obtain a point set of the standard path in three-dimensional space and a point set of each training path in three-dimensional space, and calculate the distance between all path points in each training path and the corresponding path points in the standard path to obtain a first distance set.

[0022] Here, the standard path corresponding to the specified action is converted into a standard path point set in three-dimensional space. Assuming N path points, Indicates that the specified action corresponds to training paths, and transform them into a set of training path points in three-dimensional space. Indicates that represents the mth training path, .

[0023] For example, for the mth training path, the distances between all path points in each training path and the corresponding path points in the standard path are calculated using the following formula: ; in, is the nth path point in the mth training path The nth path point in the standard path The distance value; is the nth path point in the mth training path; is the nth path point in the standard path; is the Euclidean norm.

[0024] Collect the distance values ​​between all training path points and the corresponding path points in the standard path to obtain the first distance set D: .

[0025] Step S3: sort the distance values ​​in the first distance set from large to small to obtain a second distance set.

[0026] Here, for example, the distance values ​​in the first distance set D are sorted from large to small to obtain the second distance set D s : ;in, is the maximum distance value, is the minimum distance value.

[0027] Step S4: for each distance value in the second distance set, calculate the volume of a cylinder with the standard path as the central axis as the action space volume; wherein the height of the cylinder is the geometric length of the standard path.

[0028] Here, the height of the cylinder is the geometric length of the standard path, which is known by default. The volume of the cylinder corresponding to each distance value is calculated using the cylinder volume calculation formula.

[0029] The action space volume represents the gap between the training actions and standard actions of medical staff in continuous time.

[0030] Step S5, sequentially traverse the distance values ​​in the second distance set, and based on each distance value d j The corresponding cylindrical range checks the reliability of multiple training paths and obtains the distance value d jThe corresponding number of reliable paths T j , and calculate the distance value d based on the total number of training paths j The corresponding reliability.

[0031] Here, a counter is initialized to record the current distance value d j Traverse each training path in the plurality of training paths: for each training path, check whether it satisfies the distance value d. j A condition is determined to be within the cylinder. This typically involves checking whether one or more points in the training path are within the cylinder. If the training path satisfies the condition (i.e., at least one point is within the cylinder), a counter representing the number of reliable paths is incremented by 1.

[0032] Here, as Figure 3 As shown, for a specific distance value d j The calculated cylindrical range is used as the corresponding action space. The training paths outside the action space are considered unreliable. The total number of training paths included in the action space is the number of reliable paths T. j .

[0033] Reliability represents the ability of medical staff to complete specified actions under the gap between their training actions and standard actions over a continuous period of time.

[0034] Step S6: Based on the reliability and the corresponding action space volume corresponding to each distance value, the reliability degradation rate corresponding to each distance value is obtained by using the constructed reliability degradation rate calculation formula.

[0035] Here, reliability degradation velocity is a quantitative indicator that evaluates the degradation rate of medical personnel's ability to repeatedly complete specified actions in a continuous time and a limited space. Its full name is reliability degradation velocity, abbreviated as RDV.

[0036] Step S7 : evaluating the medical personnel's ability to repeatedly complete the designated action based on the reliability degradation rate corresponding to each distance value.

[0037] Here, a group of data consisting of three consecutive distance values ​​is selected, and two reliability degradation rates are calculated based on the corresponding three action space volumes and three reliabilities. The reliability degradation rate change is calculated based on the two reliability degradation rates. Based on the comparison of the change amount with the preset threshold, it is determined whether the path point on the training path corresponding to the middle distance value among the three distance values ​​is a degradation point. If so, the reliability volume corresponding to the first distance value among the three distance values ​​is used as an evaluation indicator. If not, continue to select the next group of distance values ​​until all distance values ​​are involved in the composition of the group data. This step can assist the assessor in reasonably selecting the reliability volume to quantify the ability of medical personnel to repeatedly complete specified actions in this training. The reliability volume is used to quantify the ability of medical personnel to repeatedly complete specified actions in a continuous time and in a limited space.

[0038] In some embodiments, the reliability degradation rate calculation formula is: ; in, is the reliability degradation rate corresponding to the j-th distance value in the second distance set; is the reliability corresponding to the j-th distance value in the second distance set; is the reliability corresponding to the j-1th distance value in the second distance set; is the action space volume corresponding to the j-th distance value in the second distance set; is the action space volume corresponding to the j-1th distance value in the second distance set; M is the total number of training paths; is the number of waypoints on the standard path.

[0039] In some embodiments, step S7 includes the following steps: Step S71, select distance value , , is a set of data, according to its corresponding three action space volumes , , and three reliability , , The two reliability degradation rates are calculated as follows: and ; The variable i takes values ​​from 1 to Natural numbers in the range -2; Step S72: Calculate the change in reliability degradation rate : ; Step S73, when When Corresponding reliability volume As an evaluation indicator; when When , the variable i is updated to the next natural number, and the process returns to step S71 to select the next group; When i takes the value -2 and When Corresponding reliability volume As an evaluation indicator; in, is the preset threshold; is the total number of training paths; is the number of waypoints on the standard path; is the reliability volume corresponding to the i-th distance value in the second distance set. The reliability volume is used to quantify the ability of medical personnel to repeatedly complete a specified action in a continuous time and a limited space.

[0040] Here, the preset threshold The value is determined based on actual conditions, generally 20%, 50% or 80%.

[0041] In some embodiments, the volume of the cylinder is calculated by the following formula: ; in, is the jth distance value in the second distance set; h is the geometric length of the standard path; is the volume of the cylinder corresponding to the j-th distance value in the second distance set.

[0042] Here, for each distance value in the second distance set ( ), the calculation takes the standard path as the central axis, The volume of a cylinder with a radius of Figure 2 As shown in the figure, the cylindrical range corresponding to the maximum distance value is the initial action space. The action space after the second or more iterations gradually shrinks until the minimum distance value is traversed. The cylindrical range with the smallest radius is calculated as the final action space.

[0043] In some embodiments, the reliability corresponding to the distance value is calculated using the following formula: ; ; in, is the reliability corresponding to the j-th distance value in the second distance set; is the number of reliable paths corresponding to the jth distance value in the second distance set; M is the total number of training paths; To satisfy The number of training paths; is the nth path point in the mth training path The nth path point in the standard path The distance value; is the jth distance value in the second distance set.

[0044] In the embodiments of the present application, a new indicator, the reliability degradation rate, is proposed to quantify the ability of medical personnel to repeatedly complete a specified action in a confined space within a continuous time. This indicator shows obvious feasibility in evaluating the ability of action training in a small space within a continuous time, especially in minimally invasive surgical action training that is mainly based on subjective evaluation. How to provide a more reasonable evaluation training accuracy. By proposing the reliability degradation rate for repeated surgical actions within a continuous time, this method provides guidance for the reasonable quantification of the ability to repeatedly complete a specified action within a continuous time and in a surgical training environment.

[0045] Example 2 Based on the aforementioned embodiments, the embodiments of the present application further provide an assessment system for the ability of medical personnel to repeatedly complete specified actions. The system includes the modules included therein and the units included in each module, which can be implemented by a processor in an electronic device; of course, it can also be implemented by a specific logic circuit; in the implementation process, the processor can be a central processing unit (CPU), a microprocessor (MPU), a digital signal processor (DSP) or a field programmable gate array (FPGA), etc.

[0046] Figure 4 This is a structural diagram of an assessment system for the ability of medical personnel to repeatedly complete specified actions, such as Figure 4 As shown, the present embodiment provides a system 400 for evaluating the ability of medical personnel to repeatedly perform specified actions. The system includes: The data collection module 401 is used to collect the standard path and multiple training paths corresponding to the specified action.

[0047] The first distance set acquisition module 402 is used to standardize the collected data to obtain a point set of the standard path in three-dimensional space and a point set of each training path in three-dimensional space, and calculate the distance between all path points in each training path and the corresponding path points in the standard path to obtain a first distance set.

[0048] The second distance set acquisition module 403 is configured to sort the distance values ​​in the first distance set from largest to smallest to obtain a second distance set.

[0049] The action space volume calculation module 404 is configured to calculate, for each distance value in the second distance set, the volume of a cylinder with the standard path as the central axis as the action space volume; wherein the height of the cylinder is the geometric length of the standard path.

[0050] The reliability calculation module 405 is used to sequentially traverse the distance values ​​in the second distance set and calculate the reliability of each distance value d. j The corresponding cylindrical range checks the reliability of multiple training paths and obtains the distance value d j The corresponding number of reliable paths T j , and calculate the distance value d based on the total number of training paths j The corresponding reliability.

[0051] The reliability degradation rate calculation module 406 is configured to obtain the reliability degradation rate corresponding to each distance value based on the reliability and the corresponding action space volume corresponding to each distance value through the constructed reliability degradation rate calculation formula.

[0052] The designated action completion ability evaluation module 407 is used to evaluate the medical personnel's ability to repeatedly complete the designated action based on the reliability degradation rate corresponding to each distance value.

[0053] The system addresses the problem of quantifying medical personnel's ability to repeatedly complete specified actions within a confined space over a continuous period of time by proposing a new metric, the reliability degradation rate. This metric demonstrates significant feasibility in assessing movement training performance within a confined space over a continuous period of time. This is particularly relevant in minimally invasive surgical movement training, which relies primarily on subjective evaluations and challenges the accuracy of training. By proposing a reliability degradation rate for repetitive surgical movements over a continuous period of time, the system provides guidance for the rational quantification of the ability to repeatedly complete specified movements within a continuous period of time within a surgical training environment.

[0054] It should be noted that the above system description is similar to the description of the above method embodiment and has similar beneficial effects as the method embodiment. For technical details not disclosed in the system embodiment of this application, please refer to the description of the method embodiment of this application for understanding.

[0055] It should be understood that "one embodiment" or "an embodiment" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment are included in at least one embodiment of the present application. Therefore, "in one embodiment" or "in an embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. In addition, these specific features, structures or characteristics can be combined in one or more embodiments in any suitable manner. It should be understood that in the various embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application. The above-mentioned serial numbers of the embodiments of the present application are for description only and do not represent the advantages and disadvantages of the embodiments.

[0056] It should be noted that, in this document, the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or apparatus comprising the element.

[0057] In the several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. In actual implementation, there may be other division methods, such as: multiple units or components can be combined, or can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, direct coupling, or communication connection between the components shown or discussed can be through some interfaces, and the indirect coupling or communication connection of the devices or units can be electrical, mechanical or other forms.

[0058] The units described above as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units; they may be located in one place or distributed across multiple network units; some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment of the present application.

[0059] In addition, all functional units in the embodiments of the present application can be integrated into one processing unit, or each unit can be a separate unit, or two or more units can be integrated into one unit; the above-mentioned integrated units can be implemented in the form of hardware or in the form of hardware plus software functional units.

[0060] Alternatively, if the above-mentioned integrated unit of the present application is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the embodiment of the present application, or the part that contributes to the relevant technology, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling the automatic test line of the device to execute all or part of the methods described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as mobile storage devices, ROMs, magnetic disks or optical disks.

[0061] The methods disclosed in the several method embodiments provided in this application can be arbitrarily combined without conflict to obtain new method embodiments.

[0062] The features disclosed in the several method or device embodiments provided in this application can be arbitrarily combined without conflict to obtain new method embodiments or device embodiments.

[0063] The above is merely an embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of this application. Therefore, the scope of protection of this application should be based on the scope of protection of the claims.

Claims

1. A method for evaluating the ability of medical personnel to repeatedly perform specified actions, characterized in that: The method comprises: Collect standard paths and multiple training paths corresponding to specified actions; Normalizing the collected data to obtain a point set of the standard path in three-dimensional space and a point set of each training path in three-dimensional space, and calculating the distance between all path points in each training path and the corresponding path points in the standard path to obtain a first distance set; Sort the distance values ​​in the first distance set from largest to smallest to obtain a second distance set; For each distance value in the second distance set, calculating the volume of a cylinder with the standard path as the central axis as the action space volume; wherein the height of the cylinder is the geometric length of the standard path; Sequentially traverse the distance values ​​in the second distance set, based on each distance value d j The corresponding cylindrical range checks the reliability of multiple training paths and obtains the distance value d j The corresponding number of reliable paths T j , and calculate the distance value d based on the total number of training paths j Corresponding reliability; Based on the reliability and action space volume corresponding to each distance value, the reliability degradation rate corresponding to each distance value is obtained through the constructed reliability degradation rate calculation formula; The ability of medical personnel to repeatedly complete specified actions is evaluated based on the reliability degradation rate corresponding to each distance value.

2. The method according to claim 1, characterized in that The reliability degradation rate calculation formula is: ； in, is the reliability degradation rate corresponding to the j-th distance value in the second distance set; is the reliability corresponding to the j-th distance value in the second distance set; is the reliability corresponding to the j-1th distance value in the second distance set; is the action space volume corresponding to the j-th distance value in the second distance set; is the action space volume corresponding to the j-1th distance value in the second distance set; M is the total number of training paths; is the number of waypoints on the standard path.

3. The method according to claim 2, characterized in that The method of evaluating the medical personnel's ability to repeatedly complete a specified action based on the reliability degradation rate corresponding to each distance value includes the following steps: Step S71, select distance value , , is a set of data, according to its corresponding three action space volumes , , and three reliability , , The two reliability degradation rates are calculated as follows: and ; The variable i takes values ​​from 1 to Natural numbers in the range -2; Step S72: Calculate the change in reliability degradation rate : ； Step S73, when When Corresponding reliability volume As an evaluation indicator; when When , the variable i is updated to the next natural number, and the process returns to step S71 to select the next group; When i takes the value -2 and When Corresponding reliability volume As an evaluation indicator; in, is the preset threshold; is the total number of training paths; is the number of waypoints on the standard path; is the reliability volume corresponding to the i-th distance value in the second distance set. The reliability volume is used to quantify the ability of medical personnel to repeatedly complete a specified action in a continuous time and a limited space.

4. The method according to any one of claims 1 to 3, characterized in that The distances between all path points in each training path and the corresponding path points in the standard path are calculated using the following formula: ； in, is the nth path point in the mth training path The nth path point in the standard path The distance value; is the nth path point in the mth training path; is the nth path point in the standard path; is the Euclidean norm.

5. The method according to any one of claims 1 to 3, characterized in that The volume of the cylinder is calculated using the following formula: ； in, is the jth distance value in the second distance set; h is the geometric length of the standard path; is the volume of the cylinder corresponding to the j-th distance value in the second distance set.

6. The method according to any one of claims 1 to 3, characterized in that The reliability corresponding to the distance value is calculated using the following formula: ； ； in, is the reliability corresponding to the j-th distance value in the second distance set; is the number of reliable paths corresponding to the jth distance value in the second distance set; M is the total number of training paths; To satisfy The number of training paths; is the nth path point in the mth training path The nth path point in the standard path The distance value; is the jth distance value in the second distance set.

7. A system for evaluating the ability of medical personnel to repeatedly perform specified actions, characterized in that: The system comprises: Data collection module, used to collect standard paths and multiple training paths corresponding to specified actions; a first distance set acquisition module, configured to perform normalization processing on the collected data to obtain a point set of the standard path in three-dimensional space and a point set of each training path in three-dimensional space, and to calculate the distances between all path points in each training path and the corresponding path points in the standard path to obtain a first distance set; A second distance set acquisition module, configured to sort the distance values ​​in the first distance set from largest to smallest to obtain a second distance set; an action space volume calculation module, configured to calculate, for each distance value in the second distance set, a volume of a cylinder with the standard path as a central axis as the action space volume; wherein the height of the cylinder is the geometric length of the standard path; The reliability calculation module is used to sequentially traverse the distance values ​​in the second distance set and calculate the reliability of each distance value d. j The corresponding cylindrical range checks the reliability of multiple training paths and obtains the distance value d j The corresponding number of reliable paths T j , and calculate the distance value d based on the total number of training paths j Corresponding reliability; A reliability degradation rate calculation module is used to obtain the reliability degradation rate corresponding to each distance value based on the reliability corresponding to each distance value and the corresponding action space volume through the constructed reliability degradation rate calculation formula; The module for evaluating the ability to complete specified actions is used to evaluate the ability of medical personnel to repeatedly complete specified actions based on the reliability degradation rate corresponding to each distance value.

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