CN110782170B - Medicine purchasing optimization method and system - Google Patents
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Abstract
The invention discloses a medicine purchase optimization method and a medicine purchase optimization system, which relate to the purchase field, and the method comprises the steps of calculating substitution rate, medical insurance rate and historical purchase rate of a quoted medicine set of each supplier based on a quoted medicine set of each supplier; calculating a ranking weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate; according to the price reporting medicine set of each supplier, counting a set of medicines for at least two suppliers to quote, recording as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set; and calculating the sorting weight values of all the medicines of each supplier corresponding to the medicines in the first set, sorting the medicines, and taking the supplier corresponding to the set name as the supplier to be selected. The invention can effectively solve the problem of reasonable distribution of purchase orders of medical institutions, ensure the purchase satisfaction rate of the medical institutions and simultaneously reduce the workload of the receiving link after the purchase of the medical institutions is finished.
Description
Technical Field
The invention relates to the field of purchasing, in particular to a medicine purchasing optimization method and system.
Background
The centralized bid-inviting purchase of the medicine refers to a purchase mode that a plurality of medical institutions purchase required medicines in a bid-inviting and bidding manner through a centralized bid-inviting purchase organization. The purpose of the concentrated bid-attracting and purchasing of the medicines is to ensure the smooth implementation of the basic medical insurance system of the urban staff, treat the abnormal wind in the medicine purchasing and selling from the source, standardize the medicine purchasing and selling work of medical institutions and reduce the burden of the social medicine cost. The centralized bid-inviting purchase range of the medicines is generally clinical medicines used by basic medical services of urban staff, and medicines with large conventional use and use amount need to be subjected to centralized bid-inviting purchase. The concentrated bid purchase of the medicine is in accordance with the principles of safety first, priority quality, price consideration, channel adjustment, step-by-step implementation and gradual push-away, not only in accordance with the laws and regulations of medicine management, but also in accordance with the reality, so as to achieve the purposes of standardizing the purchase and sale behaviors of the medicine and serving the masses.
In the existing medicine bid inviting and purchasing process, enterprises quote for multiple times, a bidding group carries out bidding negotiation for two or more times, then a formal bid bidding enclosed enterprise list is determined, and a networking formula is carried out, so that the public bid inviting and purchasing work of medicines is realized on the premise of guaranteeing fairness and justice. However, in the implementation process of the existing purchasing method, the bargaining process of the bidding group is only to simply move the flow implemented offline in the previous medicine purchasing process to online, and the information system is used for processing, so that the following problems can be caused when the purchasing requirements submitted by later medical institutions of winning bidders are met:
1. the purchased medicine can not be met by all varieties or can not be met by all quantities.
2. When a purchase is made, a plurality of suppliers may distribute the purchase order when the order is received, which results in a high receiving pressure of the medical institution.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a medicine purchase optimization method, which can effectively solve the problem of reasonable distribution of purchase orders of medical institutions, ensure the purchase satisfaction rate of the medical institutions and simultaneously reduce the workload of the receiving link after the purchase of the medical institutions is finished.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
calculating the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier based on the quoted medicine set of each supplier;
calculating a ranking weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate;
according to the price reporting medicine set of each supplier, counting a set of medicines for at least two suppliers to quote, recording as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set;
and calculating and sequencing the sequencing weight values of all the medicines of each supplier corresponding to the medicines in the first set based on the calculated substitution rate, medical insurance rate and historical purchase rate of the medicines in the first set and the sequencing weight value of the optimal solution of each medicine of each supplier, and taking the supplier corresponding to the set name as the supplier to be selected.
On the basis of the technical scheme, the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier are calculated, and the specific calculation formula is as follows:
where count represents the number of elements in the statistical set, rkIndicating the replacement rate of the current supplier's bid drug set,
set, s, representing replacement drug among currently offered drugs by supplierkIndicating the current supplier quoted drug set, ykRepresenting the medical insurance rate of the current supplier quoted drug set, Y being the drug medical insurance catalogue set, hkRepresenting the historical purchase rate of the current supplier quoted drug set, and H representing the historical purchased drug set.
On the basis of the technical scheme, the calculation formula of the ranking weight value of each medicine of each supplier is as follows:
wherein, f (n)x) A rank weight value, p, representing the current drug of the current supplierzRepresenting the quoted price of each supplier for the current medicine, z is a positive integer, the value is equal to the number of suppliers, p represents the quoted price of the current supplier for the current medicine, JpRepresents a price weight, JyDenotes the medical insurance weight, JhRepresents historical purchase rate weight, JrRepresenting the substitution rate weight.
On the basis of the technical scheme, a set of medicines quoted by at least two suppliers is counted and recorded as a first set, and the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set are calculated, wherein the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set are calculated by the following specific calculation formula:
wherein,
representing the substitution rate, S, of drugs in the first setuxrIndicating that the drug in the first set is a set of alternative drugs,
a first set is represented.
On the basis of the above technical solution, the calculation of the ranking weight values of all the drugs of each supplier corresponding to the drugs in the first set is performed according to the following specific calculation formula:
where f (x) represents the ranking weight value of all drugs of the current supplier,
representing the sum of the ranking weight values of all the drugs of each supplier in the first set, m is a positive integer, the value is equal to the number of elements in the first set,
representing the sum of the ranking weight values of all drugs of the current supplier.
The invention provides a medicine purchasing optimization system, which comprises:
the first calculation module is used for calculating the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier based on the quoted medicine set of each supplier;
the second calculation module is used for calculating the sorting weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate;
the third calculation module is used for counting a set of drugs quoted by at least two suppliers according to the set of the drugs quoted by each supplier, recording the set as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set;
and the fourth calculating module is used for calculating and sequencing the sequencing weight values of all the medicines of each provider corresponding to the medicines in the first set based on the calculated substitution rate, medical insurance rate and historical purchase rate of the medicines in the first set and the sequencing weight value of the optimal solution of each medicine of each provider, and taking the provider corresponding to the set name as the supplier to be selected.
On the basis of the technical scheme, the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier are calculated, and the specific calculation formula is as follows:
where count represents the number of elements in the statistical set, rkIndicating the replacement rate of the current supplier's bid drug set,
set, s, representing replacement drug among currently offered drugs by supplierkIndicating the current supplier quoted drug set, ykRepresenting the medical insurance rate of the current supplier quoted drug set, Y being the drug medical insurance catalogue set, hkRepresenting the historical purchase rate of the current supplier quoted drug set, and H representing the historical purchased drug set.
On the basis of the technical scheme, the calculation formula of the ranking weight value of each medicine of each supplier is as follows:
wherein, f (n)x) A rank weight value, p, representing the current drug of the current supplierzRepresenting the quoted price of each supplier for the current medicine, z is a positive integer, the value is equal to the number of suppliers, p represents the quoted price of the current supplier for the current medicine, JpRepresents a price weight, JyDenotes the medical insurance weight, JhRepresents historical purchase rate weight, JrRepresenting the substitution rate weight.
On the basis of the technical scheme, a set of medicines quoted by at least two suppliers is counted and recorded as a first set, and the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set are calculated, wherein the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set are calculated by the following specific calculation formula:
wherein,
representing the substitution rate, S, of drugs in the first setuxrIndicating that the drug in the first set is a set of alternative drugs,
a first set is represented.
10. The system of claim 9, wherein the calculation of the weighted value of the ranking of all the drugs of each supplier corresponding to the drugs in the first set is performed according to the following specific formula:
where f (x) represents the ranking weight value of all drugs of the current supplier,
representing the sum of the ranking weight values of all the drugs of each supplier in the first set, m is a positive integer, and the value is equal to that of the first setThe number of the elements in the synthesis is,
representing the sum of the ranking weight values of all drugs of the current supplier.
Compared with the prior art, the invention has the advantages that: the ordering weight value is calculated based on the substitution rate, the medical insurance rate and the historical purchasing rate, the to-be-selected supplier is determined, the problem of reasonable distribution of purchasing orders of the medical institution is solved, the purchasing satisfaction rate of the medical institution is guaranteed, and the workload of the receiving link after purchasing of the medical institution is reduced.
Drawings
Fig. 1 is a flowchart of a method for optimizing drug procurement according to an embodiment of the invention.
Detailed Description
The embodiment of the invention provides a medicine purchase optimization method, which solves the problem of reasonable distribution of purchase orders of medical institutions, guarantees the purchase satisfaction rate of the medical institutions, and simultaneously reduces the workload of the receiving link after the purchase of the medical institutions is finished. The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, a method for optimizing drug procurement provided by an embodiment of the invention includes the following steps:
s1: calculating the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier based on the quoted medicine set of each supplier; in the embodiment of the invention, the suppliers have a plurality of suppliers, and the quoted medicines of each supplier are all in a plurality. For the alternative drugs in the embodiment of the present invention, for example, the purchase order of the drug includes drug a, drug C, and drug D, the quoted drug of supplier a includes drug a and drug B, but drug B has the same potency as drug C, drug B is the alternative drug, and drug a and drug B form the quoted drug set of supplier a.
S2: calculating a ranking weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate;
s3: according to the price reporting medicine set of each supplier, counting a set of medicines for at least two suppliers to quote, recording as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set;
s4: and calculating and sequencing the sequencing weight values of all the medicines of each supplier corresponding to the medicines in the first set based on the calculated substitution rate, medical insurance rate and historical purchase rate of the medicines in the first set and the sequencing weight value of the optimal solution of each medicine of each supplier, and taking the supplier corresponding to the set name as the supplier to be selected. And sorting according to the sorting weight values of the suppliers from big to small, for example, taking the top 3 suppliers, and handing the 3 suppliers as the suppliers to be selected to the buyer for final selection determination.
In the embodiment of the invention, the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier are calculated, and the specific calculation formula is as follows:
where count represents the number of elements in the statistical set, rkIndicating the replacement rate of the current supplier's bid drug set,
set, s, representing replacement drug among currently offered drugs by supplierkIndicating the current supplier quoted drug set, ykRepresenting the medical insurance rate of the current supplier quoted drug set, Y being the drug medical insurance catalogue set, hkHistorical purchase rate representing current supplier quoted drug setAnd H denotes a historical purchase drug collection, such as a drug collection in a historical purchase order for a hospital.
In the embodiment of the invention, the sequencing weight value of each medicine of each supplier is calculated by the following formula:
wherein, f (n)x) A rank weight value, p, representing the current drug of the current supplierzIndicating each supplier's bid for the current drug (e.g., currently calculating the rank weight value of drug A for supplier a, then p)zRepresenting the quoted price of each supplier for drug A, if the quoted drug set of supplier c has no drug A, then pzDoes not contain a supplier c, and the supplier c does not count in the quantity of z), z is a positive integer, the value is equal to the quantity of the supplier, p represents the price quoted by the current supplier for the current medicine, JpRepresents a price weight, JyDenotes the medical insurance weight, JhRepresents historical purchase rate weight, JrRepresents the substitution weight, Jp、Jy、JhAnd JrThe value of (A) is artificially determined according to needs, and the value range is [0,1 ]]。
In the embodiment of the invention, a set of drugs quoted by at least two suppliers is counted and recorded as a first set, and the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set are calculated, wherein the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set are calculated by the following specific calculation formula:
wherein,
representing the substitution rate, S, of drugs in the first setuxrIndicating that the drug in the first set is a set of alternative drugs,
a first set is represented. For example, if drug a in the purchase order has 2 suppliers offering price and drug B has 3 suppliers offering price, the first set includes drug a and drug B.
In the embodiment of the present invention, the ranking weight values of all the drugs of each supplier corresponding to the drugs in the first set are calculated, and the specific calculation formula is as follows:
where f (x) represents the ranking weight value of all drugs of the current supplier,
represents the sum of the ranking weights of all the drugs of each supplier in the first set (for example, if the first set comprises a drug a and a drug B, the drug a has a bid of suppliers a and B, and the drug B has a bid of suppliers a and c, the sum of the ranking weights of all the drugs of the supplier a needs to be calculated), m is a positive integer, the value is equal to the number of elements in the first set,
representing the sum of the ranking weight values of all drugs of the current supplier.
According to the medicine purchase optimization method, the ordering weight value is calculated based on the substitution rate, the medical insurance rate and the historical purchase rate, the to-be-selected supplier is determined, the reasonable distribution problem of the purchase orders of the medical institution is solved, the purchase satisfaction rate of the medical institution is guaranteed, and the workload of the receiving link after the purchase of the medical institution is finished is reduced.
The embodiment of the invention provides a medicine purchasing optimization system, which comprises:
the first calculation module is used for calculating the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier based on the quoted medicine set of each supplier;
the second calculation module is used for calculating the sorting weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate;
the third calculation module is used for counting a set of drugs quoted by at least two suppliers according to the set of the drugs quoted by each supplier, recording the set as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set;
and the fourth calculating module is used for calculating and sequencing the sequencing weight values of all the medicines of each provider corresponding to the medicines in the first set based on the calculated substitution rate, medical insurance rate and historical purchase rate of the medicines in the first set and the sequencing weight value of the optimal solution of each medicine of each provider, and taking the provider corresponding to the set name as the supplier to be selected.
In the embodiment of the invention, the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier are calculated, and the specific calculation formula is as follows:
where count represents the number of elements in the statistical set, rkIndicating the current supplierThe rate of substitution of the set of quoted drugs,
set, s, representing replacement drug among currently offered drugs by supplierkIndicating the current supplier quoted drug set, ykRepresenting the medical insurance rate of the current supplier quoted drug set, Y being the drug medical insurance catalogue set, hkRepresenting the historical purchase rate of the current supplier quoted drug set, and H representing the historical purchased drug set.
In the embodiment of the invention, the sequencing weight value of each medicine of each supplier is calculated by the following formula:
wherein, f (n)x) A rank weight value, p, representing the current drug of the current supplierzRepresenting the quoted price of each supplier for the current medicine, z is a positive integer, the value is equal to the number of suppliers, p represents the quoted price of the current supplier for the current medicine, JpRepresents a price weight, JyDenotes the medical insurance weight, JhRepresents historical purchase rate weight, JrRepresenting the substitution rate weight.
In the embodiment of the invention, a set of drugs quoted by at least two suppliers is counted and recorded as a first set, and the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set are calculated, wherein the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set are calculated by the following specific calculation formula:
wherein,
representing the substitution rate, S, of drugs in the first setuxrIndicating that the drug in the first set is a set of alternative drugs,
a first set is represented.
In the embodiment of the present invention, the ranking weight values of all the drugs of each supplier corresponding to the drugs in the first set are calculated, and the specific calculation formula is as follows:
where f (x) represents the ranking weight value of all drugs of the current supplier,
representing the sum of the ranking weight values of all the drugs of each supplier in the first set, m is a positive integer, the value is equal to the number of elements in the first set,
representing the sum of the ranking weight values of all drugs of the current supplier.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A medicine purchase optimization method is characterized by comprising the following steps:
calculating the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier based on the quoted medicine set of each supplier;
calculating a ranking weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate;
according to the price reporting medicine set of each supplier, counting a set of medicines for at least two suppliers to quote, recording as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the medicines in the first set;
and calculating and sequencing the sequencing weight values of all the medicines of each supplier corresponding to the medicines in the first set based on the calculated substitution rate, medical insurance rate and historical purchase rate of the medicines in the first set and the sequencing weight value of the optimal solution of each medicine of each supplier, and taking the supplier corresponding to the set name as the supplier to be selected.
2. The method of claim 1, wherein the substitution rate, medical insurance rate and historical purchase rate of each supplier quoted drug set are calculated according to the following specific calculation formula:
where count represents the number of elements in the statistical set, rkIndicating the replacement rate of the current supplier's bid drug set,
is shown asSet of replacement drugs in pre-supplier's offered-price drugs, skIndicating the current supplier quoted drug set, ykRepresenting the medical insurance rate of the current supplier quoted drug set, Y is the drug medical insurance catalogue set, hkRepresenting the historical purchase rate of the current supplier quoted drug set, and H representing the historical purchased drug set.
3. The method of claim 2, wherein the calculating the weighted value of the ranking of each drug of each supplier is performed according to the following formula:
wherein, f (n)x) A rank weight value, p, representing the current drug of the current supplierzRepresenting the quoted price of each supplier for the current medicine, z is a positive integer, the value is equal to the number of suppliers, p represents the quoted price of the current supplier for the current medicine, JpRepresents a price weight, JyDenotes the medical insurance weight, JhRepresents historical purchase rate weight, JrRepresenting the substitution rate weight.
4. The method as claimed in claim 3, wherein the statistics of a set of drugs quoted by at least two suppliers is recorded as a first set, and the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set are calculated, wherein the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set are calculated by the following specific calculation formula:
wherein,
representing the substitution rate, S, of drugs in the first setuxrIndicating that the drug in the first set is a set of alternative drugs,
a first set is represented.
5. The method of claim 4, wherein the calculating the weighted value of the ranking of all the drugs of each supplier corresponding to the drugs in the first set comprises the following specific formula:
where f (x) represents the ranking weight value of all drugs of the current supplier,
representing the sum of the ranking weight values of all the drugs of each supplier in the first set, m is a positive integer, the value is equal to the number of elements in the first set,
representing the sum of the ranking weight values of all drugs of the current supplier.
6. A system for optimizing drug procurement, comprising:
the first calculation module is used for calculating the substitution rate, the medical insurance rate and the historical purchase rate of the quoted medicine set of each supplier based on the quoted medicine set of each supplier;
the second calculation module is used for calculating the sorting weight value of each medicine of each supplier based on the calculated substitution rate, medical insurance rate and historical purchase rate;
the third calculation module is used for counting a set of drugs quoted by at least two suppliers according to the set of the drugs quoted by each supplier, recording the set as a first set, and calculating the substitution rate, the medical insurance rate and the historical purchase rate of the drugs in the first set;
and the fourth calculating module is used for calculating and sequencing the sequencing weight values of all the medicines of each provider corresponding to the medicines in the first set based on the calculated substitution rate, medical insurance rate and historical purchase rate of the medicines in the first set and the sequencing weight value of the optimal solution of each medicine of each provider, and taking the provider corresponding to the set name as the supplier to be selected.
7. The system of claim 6, wherein the substitution rate, medical insurance rate and historical procurement rate of each supplier quoted drug set are calculated according to the following specific calculation formula:
where count represents the number of elements in the statistical set, rkIndicating the replacement rate of the current supplier's bid drug set,
set, s, representing replacement drug among currently offered drugs by supplierkIndicating the current supplier quoted drug set, ykRepresenting the medical insurance rate of the current supplier quoted drug set, Y is the drug medical insurance catalogue set, hkRepresenting the historical purchase rate of the current supplier quoted drug set, and H representing the historical purchased drug set.
8. The system of claim 7, wherein the calculation of the weight value of each drug in each supplier is performed according to the following formula:
wherein, f (n)x) A rank weight value, p, representing the current drug of the current supplierzRepresenting the quoted price of each supplier for the current medicine, z is a positive integer, the value is equal to the number of suppliers, p represents the quoted price of the current supplier for the current medicine, JpRepresents a price weight, JyDenotes the medical insurance weight, JhRepresents historical purchase rate weight, JrRepresenting the substitution rate weight.
9. The system of claim 8, wherein the statistics of a set of drugs quoted by at least two suppliers is recorded as a first set, and the substitution rate, medical insurance rate and historical purchase rate of the drugs in the first set are calculated, wherein the substitution rate, medical insurance rate and historical purchase rate of the drugs in the first set are calculated according to the following specific calculation formula:
wherein,
representing the substitution rate, S, of drugs in the first setuxrIndicating that the drug in the first set is a set of alternative drugs,
a first set is represented.
10. The system of claim 9, wherein the calculation of the weighted value of the ranking of all the drugs of each supplier corresponding to the drugs in the first set is performed according to the following specific formula:
where f (x) represents the ranking weight value of all drugs of the current supplier,
representing the sum of the ranking weight values of all the drugs of each supplier in the first set, m is a positive integer, the value is equal to the number of elements in the first set,
representing the sum of the ranking weight values of all drugs of the current supplier.
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