55 results about "Surgical site infection" patented technology

Several methods to reduce surgical site infections include inserting a surgical access device into an incision, retracting tissue, and introducing fluid into the surgical access device such that the fluid exits the surgical access device and irrigates a surgical site. Other methods do not include introducing fluid into a surgical access device but include suctioning a fluid into the surgical access device and removing the fluid from the body.

The present invention generally relates to bioactive antibacterial materials and composites that enhance bone growth while preventing surgical site infection. The present invention also relates to bioactive antibacterial materials and composites that include a bimodal bioactive glass particle size distribution. The bioactive antibacterial composite finds utility in a variety of clinical applications including spine and orthopaedic procedures.

An infiltration cannula and method of using the infiltration cannula during a tumescent infiltration procedure are disclosed herein. The infiltration cannula may have an outwardly flaring hub which may be wedged into an adit of a patient to minimize leakage of fluid being infiltrated into the patient. Also, the infiltration cannula may be utilized to hydrate a dehydrated patient by a medically untrained person. The infiltration cannula may also be used to deliver an antibiotic / vasoconstrictive drug solution to minimize surgical site infections.

An object of the present invention is to provide a method for suppressing surgical site infections (SSI) that have occurred at extremely high incidence rates at the time of surgical operations and particularly surgical operations on digestive system organs, and to provide a column to be used for the method. According to the present invention, a method is provided for suppressing surgical site infections, which comprises the steps of: (a) administering a chemotherapeutic drug for treating and / or preventing a surgical site infection; and (b) collecting blood from a surgical subject and removing leukocytes that comprise neutrophils from the blood during or within 24 hours after surgical operation, and then returning the blood from which the leukocytes have been removed to the surgical subject. The present invention also provides a column for blood circulation which is filled with a carrier having affinity for leukocytes comprising neutrophils, which is used for suppressing a surgical site infection during or within 24 hours after surgical operation on a digestive system organ.

An infiltration cannula and method of using the infiltration cannula during a tumescent infiltration procedure are disclosed herein. The infiltration cannula may have an outwardly flaring hub which may be wedged into an adit of a patient to minimize leakage of fluid being infiltrated into the patient. Also, the infiltration cannula may be utilized to hydrate a dehydrated patient by a medically untrained person. The infiltration cannula may also be used to deliver an antibiotic / vasoconstrictive drug solution to minimize surgical site infections.

A surgical access system facilitates access to a surgical site within a patient's body through an incision in the body. Surgical access systems can have at least one retention member and a fluid transportation member configured to deliver fluid to a surgical site or to remove fluid from a surgical site. In some embodiments, a surgical access device irrigates a surgical site to reduce surgical site infections and removes fluid from the surgical site to increase a physician's visibility into the surgical site.

A wound suture containing a solvatochromatic indicator that undergoes a color change in the presence of bacteria often associated with surgical site infection is provided. Such a color change provides a “real time” indication of the onset of infection, which may alert medical staff to apply an appropriate antimicrobial treatment (e.g., antibiotic) to the patient (e.g., human or animal) before a more serious infection occurs. The patient may also be able to accurately monitor the condition of a wound after discharge from the hospital. Further, the lack of a color change may provide the medical staff or patient with the assurance that the area is generally free of infection and clean.

Apparatus and methods for protecting a patient from surgical site infection from airborne microbes during surgery. A sterile gas flow conditioning emitter for affixation onto an anatomical surface of a patient adjacent a site of incision is anatomically shape conforming for attaching a unidirectional coherent non-turbulent flow field of sterile gas substantially anatomically levelly on that anatomical surface and flowing the flow field in the direction of that site while essentially preventing ambient airborne particles from entering the interior of the flow field under the emitter to maintain the gas essentially sterile during passage over the site.

The invention belongs to the technical field of a surgery part infection risk predicating scoring and a system based on independent danger factors. Particularly the invention relates to a risk predicting evaluation scoring method for neck anastomosis esophagus cancer resection surgery part infection and a system thereof. According to the independent danger factors which are firstly screened, an infection predicting model is established. According to an assignment score which is generated by a formula, the influence of the danger factors to a final result-surgery part infection can be more visually presented, thereby facilitating clinical early prediction and evaluation to possibility of surgery part infection after the surgery. Individualized infection risk evaluation supplies a basis forkey disposition of an infection preventing measure. The content of the invention is not reported in China and other countries. Through data statistics analysis, the independent predicting factors forneck anastomosis esophagus cancer resection surgery part infection are screened. A mathematical model is used for establishing the predicting scoring system for the surgery infection risks, thereby laying a certain basis for individually predicting the surgery part infection, and supplying guidance for clinical early intervention measure application.

Methods for preventing a tissue infection associated with the site of a tissue disruption, such as a surgical incision. The methods include contacting tissue at the site with a composition comprising ε-polylysine in a physiologically-acceptable carrier, such as an isotonic solution, powder or hemostatic material containing ε-polylysine. Also provided are kits for preparing antibacterial ε-polylysine compositions.

The invention discloses an auxiliary instrument for brain surgery of the neurosurgery department. The auxiliary instrument comprises a fixed seat and an auxiliary ring; the fixed seat comprises a rectangular frame; a plurality of first supporting rods are fixed to one surface of the rectangular frame; the circumferential side faces of the first supporting rods are fixedly connected with first springs; a pillow seat is fixed to the other ends of the first springs; a plurality of second supporting rods are fixed to the other surface of the rectangular frame; a second penetrating hole is formed in one surface of each second supporting rod; the second penetrating holes and the circumferential side faces of clamping fixing rods are slidably matched; the second supporting rods are connected withthe auxiliary ring in a threaded mode through bolts; third penetrating holes are formed in the two ends of the auxiliary ring correspondingly; a plurality of disinfection spray heads are fixed to theinner surface of the auxiliary ring; and a plurality of surgery lighting lamps are fixed to the opposite faces of the auxiliary ring. The surgery lighting lamps are fixed to the opposite faces of theauxiliary ring, the disinfection spray heads are fixed to one surface of the auxiliary ring, a massage contact is fixed to one end of each clamping fixing rod, thus a surgeon can operate accurately,the possibility of surgical site infection is decreased, and the mental tension of a patient is relieved.

The present invention relates to protocols, systems, programs and methods for the integrated management of risk in a health care environment. The present invention relates to the management of antimicrobial therapy. The present invention relates to the management of infection and surgical site infections. The present invention further relates to the management of antimicrobial therapy, the management including (a) converting a patient from intravenous administration to oral administration of at least one antimicrobial; (b) limiting patient prophylaxis to a pre-operative, post-operative, or combination thereof length of time; (c) restricting at least one antimicrobial from administration to said patient; or (d) a combination of components (a), (b) and (c).

The invention discloses a flushing drainage tube which comprises a drainage tube and a flushing tube, the middle section of the flushing tube runs inside the drainage tube, parts of the flushing tube are arranged inside the drainage tube, two ends of the flushing tube stretch out of the drainage tube, drainage holes which are distributed in staggering and unsymmetrical arrangement at intervals are formed in the lateral sides and upper side of the front end tube wall of the drainage tube, the front end of the drainage tube is in a fish mouth shape, the tail end of the drainage tube is provided with a connector which is connected with a negative pressure device, 2-3 protrudent ridges are formed in the bottom of the inside of the drainage tube, and the tail end of the flushing tube is connected with flushing fluid. According to the flushing drainage tube, the range of flushing and drainage is large, block is not prone to happening, and the indwelling time inside a body is long. Medicine flushing drainage, pure drainage and pure medicine injection can be conducted according to the needs, so that exudative blood in surgical sites can be effectively drained, the union of nidus and anastomotic stoma is accelerated, anastomotic leakage can be observed, prevented and treated, surgical site infection is avoided, and clinical application is wide in range.

The invention relates to a surgical suture with antibacterial and shape memory functions and a preparation method thereof. The structure of the shape memory polyurethane is shown as a formula I in thespecification. The invention also provides a shape memory surgical suture with antibacterial property, which is prepared from the shape memory polyurethane and an antibacterial drug as raw materialsthrough a spinning process. The surgical suture line is good in biocompatibility, has an excellent shape memory function, can effectively avoid mechanical traction necrosis of a wound in the process of folding the surgical suture line after an operation (especially an operation of deep organs and a narrow operation visual field) is completed, and reduces the wound infection risk; meanwhile, the operation difficulty can be reduced, and the operation time is shortened. Besides, the surgical suture provided by the invention has an obvious inhibition effect on gram-negative bacteria and gram-positive bacteria, can significantly reduce the infection risk of a surgical site and significantly improve the healing ability of a wound after suture, and has a wide application prospect.

A surgical site infection management lighting system that is effective and safe for human use to reduce or eliminate surgical site infections. The system provides multiple focused electromagnetic radiation frequencies at minimal energy levels for surgical and medical procedures that kills pathogens with electromagnetic radiation sources. The system includes an aiming laser, a distance sensor, a camera for providing images of the surgical site, and a motion sensor for providing control parameters. Fused silica lenses are utilized to focus the visible light for high illumination and selected electromagnetic radiation frequencies at minimal energy levels that are lethal to pathogens. The lighting system can be associated with an articulable arm, a mobile base stand, a handheld unit or a head-mounted unit.

A surgical site infection management lighting system that is effective and safe for human use to reduce or eliminate surgical site infections. The system provides multiple focused electromagnetic radiation frequencies at minimal energy levels for surgical and medical procedures that kills pathogens with electromagnetic radiation sources. The system includes an aiming laser, a distance sensor, a camera for providing images of the surgical site, and a motion sensor for providing control parameters. Fused silica lenses are utilized to focus the visible light for high illumination and selected electromagnetic radiation frequencies at minimal energy levels that are lethal to pathogens. The lighting system can be associated with an articulable arm, a mobile base stand, a handheld unit or a head-mounted unit.

A surgical drape for preventing surgical site infections during surgery includes an emitter sealed air tight to the drape. The emitter includes an inflatable receiver portion and a terminal outlet distributor fluidly continuous with the receiver portion. The receiver portion inflates on receiving a sterile gas flow from a source of sterile gas. The terminal outlet portion conditions the received sterile gas and emits it as a unidirectional coherent non-turbulent flow field of essentially sterile gas into ambient air in the operating room substantially anatomically levelly at least immediately past the incision while keeping the gas essentially sterile. An embodiment is for use in surgery on an extremity of the patient and another embodiment is for use in surgery on an anatomical part that is not an extremity.

The present disclosure is in the field of polymers and pharmaceuticals / antimicrobials. The disclosure provides compounds based on SNAP (synthetic novel antimicrobial polymer) technology, compositions and methods of managing microbial infections including surgical site infections (SSIs). The present compounds are used as a management / therapeutic strategy to target microbial infections and have advantages including excellent antimicrobial potency, biofilm disruption ability, broad spectrum activity against various organisms covering both gram negative and gram positive bacteria as well as fungal pathogens, and low toxicity profile to ensure a healthy therapeutic window for use in humans.

The invention provides a statistical method and device for the number of newly infected inpatients and a storage medium, and aims to solve the problem that in the prior art, statistics of the number of the newly infected inpatients is troublesome in a statistical time period. The invention provides a statistical method for the number of newly infected inpatients. The statistical method comprises the following steps: obtaining statistical time, selection of a corresponding department, authority department information, hospitalizing process information, transfer records, infection information and operation information; a step of acquiring the confirmed infection information H (a) _ Y, a step of acquiring infection information H (g) _ Y of non-surgical site infection, a step of acquiring infection information H (g) _ Y of surgical site infection, and a step of merging the infection information H (g) _ Y and the infection information H (b1) _ Y to obtain infection diagnosis information H (h); and counting the number of patients whose output results are not empty. According to the invention, the number of newly infected inpatients can be accurately counted within the statistical period,and the data of the number of newly infected inpatients can be conveniently obtained.

The invention discloses a medical suture with the slow-release function of natural antibacterial drugs and a preparation method thereof. A composite structure weaving process is adopted, silk fibroin is used as a coating carrier, and natural antibacterial drugs are loaded to obtain an antibacterial medical suture with long-lasting antibacterial properties. Suture thread, the suture thread material has good mechanical properties, and at the same time has a long-acting slow-release drug effect, which can inhibit or kill bacteria and reduce surgical site infection.

The invention relates to methods of using compositions for forming microbial sealant drapes. In particular, the invention relates to the use of compositions of combinations of cyanoacrylates for the in situ formation of drapes that can be used in surgery to protect patients from surgical site infections.

The invention discloses a surgical incision infection risk assessment system. The system comprises: a data acquisition module configured to: acquire patient information of a post-operative patient, wherein the patient information includes patient health data, preoperative preparation data, intraoperative operation data and post-operative care data; a risk assessment module configured to: determinean infection risk score of a surgical incision infection of the patient according to a pre-set scoring rule and on the basis of the patient information, and determine the infection risk level corresponding to the infection risk score; and a risk prompt module configured to output the infection risk level. The surgical incision infection risk assessment system can provide a basis for medical personnel, patients and their families to timely take preventive measures to prevent the occurrence of surgical incision infection, and can effectively prevent surgical incision infection.

A surgical incision drape, comprises a flexible substantially flat areal substrate having an upper side and an opposing tissue-facing side, having a longitudinal axis and a pressure sensitive adhesive disposed on the tissue-facing side; at least one hollow microtubular compartment containing a flowable medical agent, said hollow microtubular compartment positioned to intersect the longitudinal axis and embedded into the substrate or positioned on the substrate.

The invention relates to an intestinal stoma reduction protector. The protector comprises a protective sleeve I, a suture line and a protective sleeve II, the suture line is arranged on the opening ofthe protective sleeve I, the protective sleeve II is mounted on the outer side of the protective sleeve I in a sleeving mode, and a suture needle is connected to the end portion of the suture line. By means of the intestinal stoma reduction protector, the intestinal wall of a stoma can be closely attached to the protector, effective fixation is achieved, and the problem that intestinal juice andfeces flow out and pollute the surgery field during a surgery is avoided; meanwhile, the intestinal stoma is kept in a sterile state during disinfection before the surgery by means of a sterile membrane, wound infection is effectively prevented, stoma healing is promoted, surgical site infection is prevented, and clinical application is wide.

A marker useful in diagnosing surgical site infections is provided. In the method of the present invention for detecting surgical site infections, sCD14-ST in a sample is measured.

The present invention provides methods for preventing, inhibiting or treating a surgical site infection associated with a surgical operation comprising the step of applying to the surgical site a biocompatible, biodegradable substrate being impregnated and / or having its surface coated fully or partially with a matrix composition which provides local controlled and prolonged release of at least one pharmaceutically active agent at the surgical site.

A surgical access device and methods for facilitating access through an incision or wound to a surgical site in a patient's body comprising an inferior retention member, a superior retention member, and a pliable membrane therebetween. The pliable membrane includes a base layer, a permeable membrane attached to the base layer, and a fluid delivery region disposed between the layers. The fluid delivery region is fluidly coupled to a fluid source. The fluid is delivered to the surgical site via the permeable membrane. The inferior retention member provides for fluid removal from the surgical site. Methods are provided for use of the surgical access device to retract tissue and deliver fluid to the tissue from the pliable membrane.