37 results about "Postoperative treatment" patented technology

The invention provides a face data processing method and device, electronic equipment and a storage medium, and relates to the technical field of face data. The method comprises the following steps: performing spatial configuration based on original coordinates of a plurality of key points obtained from an original 3D image, and constructing an original configuration and a mirror image configuration corresponding to the original configuration; obtaining a median sagittal plane corresponding to the original 3D image based on a target distance between the original configuration and the mirror image configuration; and correcting the original 3D image based on the median sagittal plane to obtain the corrected original 3D image so as to perform face detection on the face of the user. Based on the scheme, the construction accuracy of the median sagittal plane can be improved, so that a doctor can diagnose the facial deformity through the median sagittal plane with higher accuracy, the accuracy of the doctor in diagnosing the facial deformity can be improved, and the doctor can favorably treat the facial deformity and evaluate the postoperative treatment effect.

1. The name of the design product: radio frequency rehabilitation instrument. 2. The use of the design product: equipment for physical therapy / rehabilitation (including pelvic floor therapy) and postoperative treatment (including tissue regeneration) for humans. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention provides an application technology for screening lung cancer high-risk groups, early auxiliary diagnosis and postoperative treatment effect monitoring of lung cancer patients through model and computing power, and belongs to the fields of molecular biotechnology, medical diagnosis and treatment and massive health. The method comprises the following steps: collecting samples of human body liquid, exosomes and the like, detecting the DNA methylation level, miRNA expression quantity, protein level and the quantity of molecular markers such as autoantibodies, exosomes, kits and the like related to the lung cancer by virtue of a modern detection technology, and obtaining individual precision medical treatment and clinical application by virtue of a model and computing power (including a software algorithm, a DeepSeek large model, intelligent agent application and an artificial intelligence method). The problems of lung cancer high-risk group screening, early auxiliary diagnosis, pathological typing, clinical staging, metastatic state, postoperative curative effect evaluation and poor accuracy of national approved kits are solved. The non-destructive detection technology can prevent and treat lung cancer in time, is precise in medical treatment and good in health prevention, and has wide social benefits and popularization and use values. The traditional Chinese medicine composition also has a popularization effect on other non-lung cancers.

The invention provides cardiovascular intervention postoperative treatment equipment which structurally comprises a lying plate, a moving seat, a telescopic part, a positioning block and a treatment assembly, the lying plate is embedded in the upper middle area of the moving seat, the telescopic part is fixed to the lower middle area in front of the moving seat and is in interval fit with the lying plate, and the positioning block is fixedly connected with the other end of the telescopic part; the treatment assembly is arranged at the upper end of the positioning block and is horizontally communicated with the lying plate; after the lying plate is further improved, the inner side of the plate body is completely covered by the sponge cushion, so that the back bone of a patient can be prevented from being in direct contact with the plate body, and the pain caused by the influence of the hardness of the plate body on the back bone is prevented; then, the infrared positioner on the plate body can be matched with the top part of the treatment assembly in a light induction mode through the infrared generating body of the infrared positioner, so that the cardiovascular treatment area of the patient can be determined through infrared induction instead of medical staff, and therefore the position determination accuracy and efficiency can be improved.

The invention provides a uterine cavity treatment device, and belongs to the technical field of uterine cavity postoperative continuous treatment devices. The treatment device comprises a uterine cavity support and a conveying system, the uterine cavity support comprises a supporting framework and a medicine carrying covering film, a main body of the supporting framework is of a big-end-up three-dimensional cage-shaped structure, angle-shaped protrusions are symmetrically arranged on the left side and the right side of the far end of the supporting framework, and the angle-shaped protrusions obliquely extend upwards with the center of the uterine cavity support as the reference; an arc-shaped structure is formed, so that the whole shape of the supporting skeleton is matched with the uterus shape after the supporting skeleton is automatically expanded; the medicine carrying covering film is at least arranged on the outer side of the supporting framework; a hormone sustained-release drug is arranged in the drug-loading covering membrane and is used for promoting repair of endometrium; the conveying system is used for loading the uterine cavity stent in a contracted state and conveying the uterine cavity stent to a target position to complete release; the technical problem that in the prior art, the effect of treating intrauterine adhesion after an intrauterine operation is poor is mainly solved.

The invention relates to the technical field of medical instruments, and discloses a disposable endoscope sheath assembly which comprises a disposable sheath assembly, the disposable sheath assembly comprises an inner tube assembly, an outer tube assembly and a liquid inlet and outlet assembly, one end of the outer tube assembly is connected to the first end of the liquid inlet and outlet assembly, and an endoscope is connected to the second end of the liquid inlet and outlet assembly. The inner tube assembly comprises a transparent head sleeve, a soft isolation sleeve and a connecting tube which are sequentially connected in a sealed mode, the connecting tube is fixed in the liquid inlet and outlet assembly, the liquid inlet and outlet assembly and the outer tube assembly are arranged on the outer side of the soft isolation sleeve in a sleeving mode, the transparent head sleeve extends out of the outer tube assembly, and a lens of the endoscope sequentially penetrates through the connecting tube, the soft isolation sleeve and the transparent head sleeve. And the end face of the transparent head sleeve is abutted. According to the sheath assembly, the endoscope can be repeatedly used, the cost is reduced, postoperative treatment is convenient, and the cross infection risk is small.

The invention relates to the technical field of biological medicine, in particular to biodegradable magnesium sustained-release hydrogel, a preparation method thereof and application of the biodegradable magnesium sustained-release hydrogel in preparation of tumor postoperative adjuvant therapy products. The hydrogel is prepared by taking carboxymethyl chitosan and sodium alginate as matrixes, loading 1.2-9g of metal magnesium powder, mixing, adjusting pH and fumigating and cross-linking with glacial acetic acid, and a three-dimensional network of the hydrogel can realize continuous and controllable release of magnesium ions. According to the invention, the dual functions of promoting wound healing and removing residual tumor cells are realized: magnesium ions are used as healing-promoting enzyme cofactors to accelerate wound repair, and meanwhile, oxidative stress is induced to play an anti-tumor role by disturbing tumor cell iron metabolism; different release rates can be realized by regulating and controlling the loading amount of the magnesium powder, and different tumor postoperative treatment requirements are met. The hydrogel is excellent in biocompatibility, can be completely degraded, is suitable for postoperative adjuvant therapy of solid tumors such as melanoma and breast cancer, can reduce systemic toxic and side effects and tumor drug resistance risks, and is large in clinical transformation potential.

The invention provides a multi-channel composite connection monitoring pipeline structure integrated with NO infusion. The multi-channel composite connection monitoring pipeline structure comprises an infusion catheter, an oxygen input connector, a rotary conversion connector, an NO injection tee joint, a gas sampling tee joint, an oxygen flow sensor and a mixed gas flow sensor. NO is injected into the infusion catheter through the NO injection tee joint and is mixed with oxygen in the infusion catheter, the gas sampling tee joint is located on the downstream of the first connecting pipe of the infusion catheter to obtain stable mixed gas for real-time concentration monitoring, and the two flow sensors are used for monitoring the oxygen and the gas flow after the NO and the oxygen are mixed in real time respectively. The rotary adapter is quickly compatible with a nasal catheter, a mask and an extracorporeal circulation related interface, so that cross-scene seamless connection of intraoperative and postoperative NO treatment is realized. According to the invention, the frequency of pipeline replacement is reduced, the risks of gas leakage, misconnection and pollution are reduced, the stability and controllability of oxygen and NO gas delivery are improved, and the safety and effectiveness of NO infusion are improved.

The invention relates to the technical field of biology and new medicine, discloses an experimental method for modeling a rat for treating uterine diverticulosis, and aims to overcome the defects that in the prior art, outer longitudinal muscle fibers and inner annular muscle fibers of uterus are not distinguished, only muscular layers are extensively scraped, and the difference between the degree of inflammation under serosal and the degree of inflammation between the muscular layers after clinical operation is difficult to reproduce. According to the method, 11-12-week-old SPF-grade SD female rats are selected, muscle layer fibers are recognized under the assistance of a microscope, outer 2 / 3 longitudinal muscle fibers are preferentially removed, inner 1 / 3 annular muscle fibers are reserved, lipopolysaccharide layered injection is matched, and the model is constructed in combination with standard postoperative treatment. And a reliable animal model can be provided for meverticulum pathological mechanism research and therapeutic schedule evaluation.

The invention provides an array type multi-source-position after-loading treatment device, and belongs to the technical field of medical equipment, a source frame is arranged above a base, a false source module is arranged in the middle of the source frame, a plurality of true source modules are uniformly arranged on the source frame around the false source module, a false source indexing module is connected to the source frame, and the false source indexing module is connected to the source frame. The true source indexing module is connected to the source frame through a true source indexing support and located in front of the false source indexing module, and the true source module, the false source indexing module and the true source indexing module are connected through a bifurcated conduit. The multi-source-position source frame is adopted, a plurality of source modules can be placed, the source use efficiency is improved, the source replacement cost is reduced, a plurality of sources can be used at the same time to implement close-range irradiation, and the treatment time is shortened; a plurality of true source modules share one false source module, so that the number of false sources can be reduced, the device cost can be reduced, the volume of the true source modules can be reduced, and the compactness of the device can be improved.

The invention provides an application technology for enabling early screening, early diagnosis and postoperative treatment judgment of gastric cancer by a multi-modal model algorithm, and belongs to the field of molecular biology, medical diagnosis and prevention. The method comprises the following steps: collecting a sample from human body liquid through a modern detection technology, detecting data of a plurality of molecular biomarkers and kit results associated with the gastric cancer or the cancer, and calculating by using a multi-modal model algorithm to find precancerous lesions, early gastric cancer or early cancer so as to reach the best early curing opportunity of a patient; the progression stage, pathological typing, clinical staging, metastatic state and postoperative curative effect inference of gastric cancer or cancer are analyzed and predicted, so that the cure effect of a patient can be improved and precise medical treatment can be realized in combination with a gastroscope pathological biopsy result; the sensitivity and the specificity precision of the kit approved by the country in the future are improved; the problem that early detection of medical early screening is difficult to solve is solved. The non-destructive detection and multi-modal model algorithm technology has wide usability, and has a demonstration effect on gastric cancer and other cancers.

The invention discloses a medical drug-loading paranasal sinus stent as well as a preparation method and application thereof. The medical drug-loaded paranasal sinus stent comprises a nasosinusitis treatment drug and medical catalyst-free polycaprolactone loaded with the nasosinusitis treatment drug, the drug loading capacity of the medical drug-loading paranasal sinus stent is 2 to 20 weight percent; the 24-hour burst release rate of the medical drug-loading paranasal sinus stent is lt; the continuous release time is more than or equal to 4 weeks; wherein the medical catalyst-free polycaprolactone is prepared by carrying out ring opening polymerization on double ether bond oxalic acid amide dihydric alcohol serving as an initiator and caprolactone. According to the medical drug-loaded paranasal sinus stent, the risk of catalyst residue is completely eradicated from the source, the stent implantation safety is guaranteed, the controllable degradation performance and the drug slow release effect of the stent can meet the paranasal sinus postoperative repair requirement, and the medical drug-loaded paranasal sinus stent is suitable for in-vivo implantation and supporting of people or animals and has important prospects in the field of chronic nasosinusitis postoperative treatment.

1. The name of the design product: radio frequency rehabilitation instrument. 2. The use of the design product: equipment for physical therapy / rehabilitation (including pelvic floor therapy) and postoperative treatment (including tissue regeneration) for humans. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

Disclosed is a pad for post-surgery treatment consisting of a body made of a hypoallergenic material and covered on one side with silicone gel, comprising a plurality of protrusions configured to orient pressure areas on the user's body and characterised in that it has a first protrusion (1) in the shape of an inverted triangle, the lower vertex of which has been truncated, a second protrusion (2) and a third protrusion (3) each in the shape of a rectangle truncated by a circle at its upper and lower ends and on one of its sides, and a fourth protrusion (4) and a fifth protrusion (5) each in the shape of a right-angled triangle truncated by a circle on one of its vertices and connected to an assembly formed by an arc and a line segment.

The invention provides an eCRSwNP nasal endoscopic postoperative treatment method for regulating acidophilic granulocyte activity based on acupuncture, and relates to the technical field of traditional Chinese medicine for preventing and treating nasosinusitis diseases. According to the eCRSwNP nasal endoscopic post-operation treatment method for adjusting the acidophilic granulocyte activity based on acupuncture, accurate adjustment of the acidophilic granulocyte activity is achieved through a synergistic scheme of a nasal endoscopic operation, perioperative drug treatment and standardized acupuncture treatment, the postoperative recurrence rate is reduced, and the nasal symptom and life quality of a patient are improved. Acupuncture point selection, operation specifications, treatment frequency and treatment course of acupuncture are defined, a repeatable and generalizable standardized treatment scheme is formed in combination with strict patient screening standards, a quality control system and ethical guarantee, the technical problems that existing eCRSwNP postoperative treatment is lack of targeted immunoregulation means and the recurrence rate is high are solved, and the therapeutic effect of the eCRSwNP postoperative treatment is improved. And a new clinical path is provided for traditional Chinese medicine intervention on refractory nasosinusitis diseases.

The utility model relates to an SCS postoperative exposed electrode device fixing garment which comprises a waistcoat, the bottom of the waistcoat is provided with an exposed wire fixing assembly used for SCS postoperative treatment, the exposed wire fixing assembly comprises a strap fixedly installed at the bottom of the waistcoat, the strap is located at the end close to the back of the waistcoat, and the exposed wire fixing assembly is connected with the waistcoat. A first waistband is fixedly installed at the end, close to the right side, of the outer wall of the strap, a hook-and-loop fastener suede is fixedly installed on the outer side wall of the first waistband, a second waistband is fixedly installed at the end, close to the left side, of the outer wall of the strap, and a hook-and-loop fastener hook face is fixedly installed on the inner side wall of the second waistband. According to the SCS postoperative exposed electrode device fixing garment, the second waistband is attached to the outer wall of the first waistband, so that the hook faces of the hook-and-loop fasteners are adhered to the suede faces of the hook-and-loop fasteners, and the straps can be fixed to the back of a patient; at the moment, the motor wire on the back of the patient is bound by the straps, so that the phenomenon that the electrodes shift or fall off can be effectively prevented.

The present application relates to the field of biological medicine, and particularly relates to a kind of nanocomposite and its preparation method and application in postoperative treatment of pancreatic cancer.The nanocomposite is that RRM2 siRNA is compounded with gold nanocluster AuNCs, then is loaded into mesenchymal stem cell-derived exosome MSC-EVs, and the nanocomposite AuNC-siRNA / EV is prepared.The present application can generate nanocomposite with high drug loading efficiency and lysosome escape ability by electrostatic self-assembly of gold nanoparticles and siRNA and membrane fusion technology of MSC-EVs.RRM2 siRNA can be accurately delivered to residual tumor lesions using the natural homing characteristics of MSC-EVs, thereby inhibiting RRM2 expression, blocking DNA synthesis and stem cell characteristics of tumor cells, and further inhibiting micro-metastasis proliferation and immune escape, which opens up a new paradigm for postoperative treatment of pancreatic cancer.

This invention discloses a sustained-release membrane for postoperative treatment of diabetic peripheral neuropathy and its preparation method. The sustained-release membrane comprises, from the outside in, a PLGA nanofiber outer layer containing tacrolimus and magnesium hydroxide nanoparticles, a glucose-responsive hydrogel middle layer containing insulin and glucose oxidase / catalase, and a PCL-oriented nanofiber inner layer containing methylcobalamin. The layers are connected by a polydopamine interface layer, and the outermost surface of the outer layer is coated with a hyaluronic acid anti-adhesion coating. Insulin, as a local neurotrophic factor, directly activates the PI3K / Akt / mTOR and ERK / MAPK signaling pathways, promoting axonal regeneration and myelin repair. The sustained-release membrane integrates three major functions: immunomodulation / anti-inflammation, glucose-responsive insulin neurotrophic delivery, and sustained nerve regeneration promotion. It prevents postoperative nerve re-adhesion through a spatiotemporal sequential drug release strategy. All components are biodegradable and do not require secondary surgery for removal.

A disposable microwave ablation needle convenient to disassemble relates to the technical field of microwave ablation needles and comprises a handle, a microwave ablation needle head and a needle seat, the microwave ablation needle head is assembled on the needle seat, the head of the handle is connected with a pressing head through a corrugated pipe, an end cap is buckled in the middle of the pressing head, and a driving mechanism is connected between the pressing head and the handle. A clamping unit is fixed on the driving mechanism; the disposable microwave ablation needle convenient to disassemble is easy to operate and convenient to assemble and disassemble, the needle head of the microwave ablation needle can be conveniently separated from the handle, so that the needle head of the microwave ablation needle is reserved to be used as an indwelling channel for postoperative treatment, the clinical application function of the ablation needle is extended, and the disposable microwave ablation needle is convenient to disassemble and assemble. Accurate operation positions of subsequent tissue fluid extraction, drug implantation and the like are guaranteed, clinical operation procedures are simplified, operation time is shortened, repeated injuries to patients are avoided, and complications are reduced.

The invention relates to a nasal conformer (20) comprising: two nasal cannulas (40) respectively configured for insertion into the patient's nostrils, and a facial flange (30) comprising: two openings (31) junctioning the facial flange (30) and the two nasal cannulas (40) extending behind the facial flange (30), a midsection (32) configured to cover the patient's columella, the midsection (32) being disposed between the two openings (31). According to the invention, each nasal cannula (40) has a boss (44) configured to bear against the soft triangle of the patient's nostril. [Figure for the abstract: Fig. 7]

The invention discloses an application of a traditional Chinese medicine composition in preparation of a medicine for postoperative treatment of colorectal cancer. The traditional Chinese medicine composition is prepared from the following raw material medicines: raw astragalus membranaceus, rhizoma anemarrhenae, curcuma zedoary, fried fructus aurantii, radix paeoniae rubra, achyranthes bidentata, radix actinidiae chinensis, polygonum cuspidatum and campsis grandiflora. The traditional Chinese medicine composition disclosed by the invention is suitable for colorectal cancer postoperative patients, particularly II-stage and III-stage colorectal cancer postoperative patients, has certain advantages in the aspects of inhibiting tumor proliferation, preventing and treating colorectal cancer postoperative recurrence and metastasis and prolonging disease-free lifetime, can effectively improve uncomfortable symptoms of the patients during postoperative and postoperative adjuvant therapy, and improves life quality.

The utility model belongs to the technical field of hospital gown, and particularly discloses a special hospital gown for a neck surgery patient, which comprises a hospital gown body, the front part of the hospital gown body is a one-piece front part piece, and the left side and the right side of the front part piece are respectively provided with vertical buttons matched with the hospital gown body; two rows of hook-and-loop fasteners are symmetrically arranged on the upper half section of the front piece, and two pockets are symmetrically arranged on the lower half section of the front piece. The neckline of the hospital gown body is a large square-collar opening; according to the hospital gown, the front piece is matched with the vertical buckles to form a one-piece structure, so that a patient can open the front piece of the hospital gown body from one side or two sides according to different thyroid resection parts; the neckline of the hospital gown body is a square-collar large opening, the neckline in the shape can fully expose a thyroid incision, the requirement for nursing the neck incision after the thyroid surgery and the requirement for rehabilitation and comfort of a postoperative patient can be met, and postoperative nursing and postoperative treatment of the head and the neck are facilitated.

A post-medical-procedure therapy device includes a body part replica that is a replica of a body part of a patient that has undergone a medical procedure; and customized information provided on the body part replica, where both the body part replica and the customized information are 3D printed, and where the customized information includes a handwritten message provided to the patient after the medical procedure.

This invention relates to the field of traditional Chinese medicine (TCM) technology and discloses a TCM preparation for postoperative treatment of colorectal cancer. The preparation is made from raw materials including Atractylodes macrocephala, Cynanchum paniculatum, Kochia scoparia, Arisaema heterophyllum, Coix lacryma-jobi, Glycyrrhiza uralensis (processed), Berberine, Acorus tatarinowii, Magnolia officinalis, Amomum villosum, Amomum villosum, and Pogostemon cablin. This TCM preparation is of significant importance in the medical field, focusing on the conditioning of the physical condition of patients after colorectal cancer surgery. The TCM preparation disclosed in this invention features a unique combination of raw materials, encompassing multiple TCM herbs with different efficacies and synergistic effects. Furthermore, the invention employs a carefully designed ratio of TCM components to achieve significant synergistic effects among the various raw materials. This TCM preparation can effectively condition the physical condition of patients after colorectal cancer surgery, significantly reduce the adverse effects of chemotherapy drugs, protect liver and kidney function, and greatly reduce the occurrence of chemotherapy side effects, providing strong support for patient recovery.

The invention discloses a flexible pressure sensor with cyclic monitoring stability and a preparation method thereof, and belongs to the field of flexible pressure sensors. The invention aims to solve the technical problem that most flexible pressure sensors are simply attached and fixed only by using adhesive tapes, so that the wearable performance and the stability of the sensors are greatly reduced. The flexible SEBS substrate with a prismatic table microstructure is prepared by using a template method, and the conductive adhesive is prepared from amylopectin, citric acid, PEDOT: PSS and PVA and is used for interlayer adhesion of a sensing layer, so that the stability of the sensor is enhanced. The structure of the sensor is simplified, the sensor is easier to wear, the anti-interference performance of the sensor is enhanced, the relative displacement of the sensor structure possibly caused by human body movement is eliminated, and the accuracy of the sensor for monitoring physiological signals is enhanced. The method is applied to the fields of postoperative treatment of joint patients, man-machine interaction and the like.

Various aspects of the disclosure generally relate to a postoperative therapeutic pressure system that may be worn by patients after undergoing surgery, including body contouring cosmetic procedures. The system may include an inflatable bladder connected to a pump, the inflatable bladder held near the patient with one or more wraps, or other postoperative garments. The bladder may be inflated to a series of different pressures and the pressure held for a time period. After releasing the pressure, a rest period may follow.

The utility model discloses an efficient classification storage device for operating room needle knives, which comprises a medical sponge block, one side of the medical sponge block is provided with a first groove, and the other side of the medical sponge block is provided with a second groove. Belongs to the technical field of medical supplies. According to the efficient classified storage device for the needle knives in the operating room, due to the ingenious design of the efficient classified storage device, sharp instruments such as blades, needle heads and surgical suture needles can be stored and displayed in sequence. According to the device, the sharp instrument injury risk caused by scattered instruments is remarkably reduced, occupational health and safety of medical staff are guaranteed, instrument counting work of nurses after an operation is completed is greatly facilitated, and working efficiency and accuracy are improved. The internal structural design is scientific and reasonable, isolated storage of various instruments is guaranteed, cross infection is effectively prevented, and a solid guarantee is provided for the sterile environment of an operating room. And meanwhile, the convenience of postoperative treatment is also considered, and the resource allocation of the operating room is optimized.

The invention relates to the technical field of artificial intelligence auxiliary diagnosis models, in particular to a colorectal metastasis resectable tissue diagnosis model based on artificial intelligence assistance, which comprises the following steps of patient and research design, pathological image quality improvement and preprocessing, pre-training, development and verification, model construction, and model visualization and interpretation and statistical analysis. The AI model for colorectal cancer liver metastasis HGP classification is developed, and a high-accuracy model is obtained in binary classification and quaternary classification; the model shows the potential of improving the diagnosis precision and guiding the postoperative treatment strategy, artificial intelligence assists pathologists to surpass a traditional method in a prospective random test, and diagnosis robustness and clinical applicability are achieved.

The invention discloses a three-dimensional printing photo-thermal immune scaffold for postoperative treatment and repair of skin melanoma and a preparation method of the three-dimensional printing photo-thermal immune scaffold. The preparation method comprises the following steps: S1, preparing manganese silicate nanospheres loaded with an immunologic adjuvant; and S2, mixing the composite nanoparticles obtained in the step S1 with a photo-crosslinking hydrogel precursor solution, a calcium ion source and a photoinitiator to obtain an internal phase slurry, and preparing a sodium alginate aqueous solution as an external phase slurry. According to the invention, a photo-thermal therapeutic agent (manganese silicate), an immunologic adjuvant (imiquimod) and a tissue regeneration promoting factor (manganese and silicon ions) are integrated on a three-dimensional scaffold platform for the first time, and through a precise preparation method, space-time synergy and function integration of local ablation-system immunity-tissue repair are realized.

The present application relates to a kind of positioning markers made of degradable metal and its preparation method, the positioning marker is made of pure magnesium or magnesium alloy, wherein, the total content of impurities in pure magnesium and magnesium alloy is less than 0.01% mass fraction, the positioning marker is at least woven by three magnesium wires, and has a winding end and a positioning end connected to the winding end, the positioning end is claw-shaped or anchor-shaped structure, the tensile strength of the positioning marker is greater than 200 MPa, the elongation after break is greater than 10%, the in vivo degradation rate is less than 0.5 mm / year, the positioning marker can be visualized under ultrasound and X-ray, the position of the marker can be detected by ultrasound or molybdenum target X-ray during the operation process and postoperative treatment process, and with the progress of postoperative treatment, the positioning marker gradually degrades, is absorbed or metabolized by surrounding tissue and out of the body, without secondary surgery.