129 results about "Puncture Biopsy" patented technology

The invention discloses a prostate puncture biopsy surgical robot which is used for helping a doctor to do a prostate puncture biopsy surgery. The prostate puncture biopsy surgical robot comprises a hoisting adjusting mechanism, a first linear movement mechanism, a second linear movement mechanism, a first angle adjustment mechanism, a second angle adjustment mechanism and a puncture assembly. A puncture angle is only determined through the first angle adjustment mechanism and the second angle adjustment mechanism; alignment of a puncture part is jointly completely by the hoisting adjusting mechanism, the first linear movement mechanism and the second linear movement mechanism; and the puncture assembly is used for controlling the feeding of a puncture needle. According to the prostate puncture biopsy surgical robot, position adjustment and angle adjustment are independent from each other and do not influence each other, so that the operation flexibility of the surgery is high; an adjusting range can be enlarged as much as possible through the control of six degrees of freedom under the condition that a surgery position and the surgery angle are accurate, so that the prostate puncture biopsy surgical robot is adaptive to actual requirements of different environments and different patients; and the position and angle are flexible to adjust, a puncture process is stable and the precision of puncture biopsy is improved.

The invention discloses an ultrasound-guided prostate puncture biopsy robot, relating to the technical field of medical robots. A base is clamped on a bed body, a patient lies on the bed body on the side with the knees in a bent state and with the body back to an ultrasonic scanning probe and a puncture mechanism, a horizontal arm and a connecting plate are enabled to swing to a proper horizontal position by adjusting a rotating joint III and a rotating joint II, then an upper transverse plate and a lower transverse plate are driven by a stepping motor VI to swing to a proper height, a stepping motor I and a stepping motor V drive an arc-shaped sliding block II and an arc-shaped sliding block I in a linked manner so that the arc-shaped sliding block II and the arc-shaped sliding block I slide on an arc-shaped rack I and an arc-shaped rack II respectively, thus the ultrasonic scanning probe is rapidly and accurately positioned to the rectum of a patient, a rotating joint I rotates to enable the ultrasonic scanning probe to enter the rectum and reach the position near the prostate for performing scanning, and the puncture mechanism completes the puncture biopsy task. The ultrasound-guided prostate puncture biopsy robot is small in size, and is capable of assisting a doctor in automatically, quickly and accurately carrying outing the prostate scanning and puncture biopsy operations.

The invention relates to a biopsy needle combination for bone puncture biopsy. The biopsy needle combination comprises a solid puncture needle, a work channel sleeve and a cleaning rod, wherein the solid puncture needle is provided with a hollow pipe sampling needle with a cone-shaped front end, a section opening which is formed on the wall of a needle pipe and is in parallel with a needle pipe shaft and a cutting knife which is arranged on one side of the section opening and extends out tangentially along the circumference of the needle pipe; an angle of osculation of between 40 and 80 degrees is formed between the cutting knife and the section opening; the work channel sleeve is hollow; the length of the work channel sleeve is respectively smaller than the lengths of the solid puncture needle and the hollow pipe sampling needle; and the diameter of the cleaning rod is smaller than the inner diameter of the pore of the hollow pipe sampling needle and the length of the cleaning rod is greater than that of the hollow pipe sampling needle. By respective combination use of the components, the biopsy needle combination can overcome the defects of the conventional biopsy needle, reduces sampling scotomas, improves the extracting amount of tissue to be inspected and the biopsy accuracy, can avoid breakage of the needle and reduce the risk of the puncture biopsy and also can reduce medical cost because the biopsy needle combination has simples structure, is convenient to disassemble and sterilize and can be repeatedly used.

The invention belongs to the field of medical apparatus and instruments, and particularly relates to an ultrasonic microscopic examination system for mediastinal lesions. The ultrasonic microscopic examination system comprises an ultrasonic rigid bronchoscope and a vacuum aspiration biopsy instrument. The ultrasonic rigid bronchoscope comprises an improved rigid bronchoscope, a catheter type ultrasonic probe, a cold light source main unit, a photographic main unit and an ultrasonic main unit; the rigid bronchoscope comprises an endoscope body and a slim operating end, and the catheter type ultrasonic probe is mounted at the head of the operating end; the endoscope body is connected with a light source by a light source interface; the cold light source main unit is connected with the photographic main unit; the catheter type ultrasonic probe is connected to the ultrasonic main unit; the vacuum aspiration biopsy instrument comprises a power control main unit of a vacuum aspiration pump system and a puncture biopsy needle. The ultrasonic microscopic examination system has the advantages that the ultrasonic microscopic examination system can be easily and conveniently operated when the mediastinal lesions are diagnosed and treated by doctors, the diagnosis accuracy can be improved, the false negative rate can be reduced, the occurrence rate of infective complications can be decreased, the operative time can be shortened, and accordingly economic burden on patients and suffering of the patients can be relieved.

The invention provides a breast tissue puncture biopsy needle which comprises a needle file, a needle guard with the rear end fixed on the needle file and a biopsy needle body sleeved with the needle guard. The biopsy needle body comprises a needle tubing and a pull rod with the front end located in the needle tubing and the rear end extending out of the needle tubing, the pull rod and the needle tubing are kept hermetical, a plurality of cutting edges are circumferentially distributed in the front end of the needle tubing, a plurality of suction channels located between two neighboring cutting edges and communicated with the needle tubing are formed circumferentially in the front end of the needle tubing, and the front end of the needle tubing can be accommodated in the needle guard; the biopsy needle body further comprises a transmission part arranged on the needle file and used for driving the needle tubing to rotate and a driving unit used for driving the transmission part to rotate, the rear end of the needle tubing extends out of the needle guard and penetrates the transmission part, and the needle tubing can slide on the transmission part axially. By the arrangement, the amount of living tissue can be extracted as required by one puncture, patient's pain is alleviated, and working load of doctors is reduced.

The invention discloses an ejection type bone puncture biopsy surgical instrument assembly. The ejection type bone puncture biopsy surgical instrument assembly is characterized in that the assembly comprises a reamer and a puncture biopsy needle; the reamer comprises a reaming needle and a sleeve which is arranged on the reaming needle in a sleeving mode in the axial direction, and a needle handle of the reaming needle and a handle on the tail portion of the sleeve are embedded; the puncture biopsy needle comprises an operating handle with an ejection mechanism, a biopsy needle core which penetrates through the operating handle in the axial direction, and a cutting sleeve tube which is arranged outside the biopsy needle core in a sleeving mode in the axial direction and is movably connected with the ejection mechanism; the internal diameter of the sleeve tube is larger than the external diameter of the cutting sleeve tube. When the ejection type bone puncture biopsy surgical instrument assembly is used for conducting bone puncture biopsy surgery, the reamer is used for reaming a hard bone bed first, and thus the biopsy needle core and the cutting sleeve tube can be effectively prevented from being damaged by the hard bone bed.

The invention discloses a 3D-priniting extracorporeal-assisted biopsy/positioning device. The biopsy/positioning device is formed by 3D printing. The 3D-priniting extracorporeal-assisted biopsy/positioning device comprises a central positioning module, in which a needle-feeding hole duct used for feeding a puncture needle is arranged. The surface of the central positioning module is provided with a first clamping slot. The 3D-priniting extracorporeal-assisted biopsy/positioning device further comprises an antenna with one end having a first clamping pin in snap joint with the first clamping slot and with the other end having a second clamping pin, a fixing foot stand comprising a base and support feet arranged on the base. The support feet and a plane where the base is located are arranged at certain angle. One end, away from the base, of the support feet is provided with a second clamping slot. The second clamping slot is in snap joint with the second clamping pin. The 3D-priniting extracorporeal-assisted biopsy/positioning device is broad in application scope, short in operation time and helps relive pains of a patient and achieves prices positioning and puncture biopsy of preoperative lumps.

The invention discloses a puncture biopsy needle and a method for applying the same. The puncture biopsy needle and the method have the advantages that the shortcomings of inconvenience in carrying out hemostasis on biopsy puncture positions and deterioration of the biopsy accuracy due to the fact that that existing biopsy needles are inconvenient to operate during puncture and acquired tissue slices can be easily mixed with tissues of other positions can be overcome by the aid of the puncture biopsy needle and the method; a medicine bag which is in the shape of an annular sheet is arranged onthe inner wall of an outer needle tube and is close to the front end of the outer needle tube, a stay is connected onto the medicine bag, the medicine bag can be torn by the aid of the stay, the stayis connected onto an inner needle and is far away from the front end of the inner needle, and the medicine bag is filled with hemostatic liquid; the puncture biopsy needle is convenient to operate inintegral use procedures, acquired tissue slices can be prevented from being mixed with tissues of other positions, and accordingly the biopsy accuracy can be guaranteed; slice sampling can be carriedout by three slice hook grooves, three portions of slice tissues can be detected, and accordingly the detection accuracy further can be improved; hemostasis can be directly carried out on biopsy puncture positions, and accordingly good hemostasis effects can be realized.

The invention belongs to the field of medical instrument laser processing, and particularly relates to a medical needle with a micronano compound antibacterial texture on the surface. The medical needle with the micronano compound antibacterial texture on the surface has the advantages that a picosure processing technology is adopted, a nanometer texture with the periodicity and a micronano compound texture with a boss-shaped micrometer texture are processed on the surface of the medical needle, by improving the hydrophobicity of the surface of the medical needle and increasing the contact area between bacteria and the metal surface, the bacterial adhesion is inhibited, and the bacteria are killed to achieve the antibacterial effect of the texture. The medical needle with the micronano compound antibacterial texture on the surface can be applied to puncture biopsy, radiotherapy, subcutaneous injection, blood sampling and other minimally invasive surgeries to reduce the risk of bacterial infection in patients.

The invention relates to the technical field of medical apparatuses and instruments, in particular to a pediatric kidney puncture needle. The pediatric kidney puncture needle comprises a needle tube and a puncture needle head; a conical needle base is arranged at the lower end of the needle tube, and the needle base is sleeved with a blind tube; the lower end of the needle tube is sleeved with a triangular bracket, and the lower ends of supporting legs of the triangular bracket are sleeved with rubber suction cups; the middle of the outer side of the needle tube is sleeved with a rubber grabbing sleeve; a sealing block is arranged at the bottom of an inner cavity of the needle tube, and a piston is arranged in an inner cavity of the needle tube; the puncture needle head is arranged on thelower end face of the piston, and the lower end of the puncture needle head penetrates through the sealing block to penetrate through the needle base and is arranged in the blind tube; a piston rod isarranged in the middle of the upper end of the piston, and the end, away from the piston, of the piston rod is in threaded connection with a pushing plate; the outer side of the upper end of the needle tube is in threaded connection with a pushing mechanism. According to the pediatric kidney puncture needle, handheld operation is more convenient, the puncture depth of kidney biopsy is convenientto control, and meanwhile the bad influence caused when children move around during puncture biopsy on biopsy is avoided.

The invention discloses a control method and device for an automatic puncture biopsy medical robot and the robot. The method includes the following steps: collecting multi-modal medical images in a diagnosis stage for planning a puncture path for puncture biopsy surgery; acquiring current multi-modal image information in the implementation stage of the puncture biopsy surgery; performing registration and fusion on the current multi-modal image information and the medical images to obtain a registration result; and correcting the puncture biopsy planned path according to the registration result, and performing automatic puncture biopsy on human bodies according to the corrected puncture biopsy planned path. The control method can apply multi-modal molecular imaging to the puncture biopsy surgery of various tissue and organs of the human bodies to avoid surgery errors caused by artificial operation, and effectively improve the accuracy of the surgery, and thereby improving the accuracy of diagnosis, and effectively realizing clinical promotion and application.

The embodiment of the invention provides an auxiliary lung diagnosis method and device. The method comprises the following steps of acquiring a rectification matrix of an electromagnetic navigation bronchoscope according to a preoperative CT image; using a peripheral ultrasonic probe for acquiring a lesion image; performing on-site cytological evaluation under the condition that the lesion image is acquired; if an on-site cytology result is negative, conducting bronchoalveolar lavage and a trans-bronchoscope biopsy; inputting a puncture path and registration information to a trans-chest-wall electromagnetic navigation system; directing a puncture needle at a target puncture point on a person to be detected; adjusting the spatial angle of the puncture needle; acquiring a respiration curve of the person to be detected; when the puncture path of the puncture needle is overlapped with the input puncture path and the breathing time of the person to be detected is consistent with CT time, starting the puncture operation; after the puncture needle reaches a predetermined position, carrying out needle suction biopsy. Therefore, when an electromagnetic navigation bronchoscope biopsy is notideal, a trans-chest-wall puncture biopsy guided by electromagnetic navigation is performed, so that the diagnosis transit time of a patient is shortened to the maximum extent, and the puncture risk of the patient is reduced to the maximum extent.

The invention discloses a multi-angle adjustment puncture fixator based on medical image guidance. The fixator comprises a base sleeve, an adjusting plate, a gear sleeve, a rotating shaft, a gear clamping plate, a fixed seat, a screw rod, a sliding block, a positioning arc plate I, a positioning arc plate II, a sliding plate and a middle positioning plate. The invention discloses the multi-angle adjustment puncture fixator based on medical image guidance. Firstly, a combined structure is adopted, so that installation and operation are convenient; secondly, longitudinal angle and transverse angle double-adjustment guide design is adopted, rapid positioning of multiple angles and degrees of freedom can be met, puncture accuracy is improved, clinical operation is facilitated, and the problemthat an assistant is needed for fixing a puncture needle during conventional needle biopsy is solved; and finally, the distance between the positioning arc plates can be adjusted in cooperation with alead screw structure, and adaptive adjustment can be conducted according to the sizes of the head, limbs and other areas of a patient. In conclusion, the fixator is high in practicability, stable, reliable and extremely high in application and popularization value.

The invention discloses a marker for detecting early diabetic nephropathy and an application methodof the marker. The application method includes the steps that a TTP is used as the diagnostic markerof diabetic nephropathy, TTP expression levels in blood and urine samples of a diabetic nephropathy patient are detected to be compared with normal values of a TTP expression level, and the illness state is diagnosed after difference analysis of the TTP expression level. According to the application method, early diabetic patients without clinical proteinuria but with actually developed diabetic kidney injury can be found, the diagnosis rate of early diabetic nephropathy is increased, and a basis for diagnosis of diabetic nephropathy is provided; and compared with traditional use of clinical symptoms, the advantage of early diagnosis is achieved, and compared with kidney puncture biopsy, the advantage of noninvasive diagnosis is achieved.

The invention relates to the field of medical equipment and oncology, and relates to a puncture biopsy needle with optical fiber probes. The puncture biopsy needle with optical fiber probes mainly comprises a host machine, a puncture needle, optical fiber probes and a display device, wherein the optical fiber probes are arranged on the outer edge of a needle core of the puncture biopsy needle. According to the puncture biopsy needle, the optical fiber probes are adopted to transmit lasers to the tip of the puncture biopsy needle, and therefore the real-time acquisition of Raman spectrum signals of pinpoint contact tissues or cells is achieved, and the signals are automatically analyzed and monitored. When the puncture biopsy needle is used, the Raman spectrum of the pinpoint tissues and cells can be monitored in real time in punctures, and by acquiring information of cancerous status and the like of the current needle tip contact tissues and cells through analyzing spectrum signals, tumors can be identified from normal tissues in real time in punctures, which helps doctors to find out cancerous tissues through biopsy more precisely, therefore the positive rate of biopsy is increased, complications caused by vascular injury and other normal tissue injuries are avoided, and the safety of punctures is improved.

The invention relates to a multi-functional navigation puncture treating template. The multi-functional navigation puncture treating template comprises a template body, puncture main needle holes, puncture subsidiary needle holes, marking lines and lead numbers, puncture needle holes with different sizes distributed in rows and in columns are evenly arranged on the template body, the lead numbers are placed at the positions, corresponding to left side needle holes, of row marking lines as row marks, and lead threads are placed at the positions, corresponding to the upper portion of the needle holes, of column marking lines as column marking lines. The multi-functional navigation puncture treating template can fast determine the positions of the needle holes, precisely guide the puncturing direction of a puncture needle, the puncture needle is precisely inserted, the operation time is shortened, the operation risk is lowered, and the operation difficulty is reduced. Different puncture holes can simultaneously combines a puncture biopsy with various kinds of minimally invasive treatment, the puncture biopsy is conducted at the same time of the treatment, and the pain of a patient is lowered; various kinds of the minimally invasive treatment can also be combined, all own advantages are given play to, the disadvantages of various kinds of the minimally invasive treatment are avoided, the maximum tumor treating effect is achieved, and the combined operation not only relieves the burden on the patient, but also improves the curative effect of tumor treatment.

The invention discloses a semi-automatic and full-automatic switched percutaneous puncture biopsy needle which comprises a needle tube and a needle core and further comprises a handle operation end, wherein the handle operation end comprises an outer shell body, an inner sleeve, an error preventing button, a rear triggering button, a left key and a right key; the inner sleeve is arranged in the outer shell body; the inner sleeve comprises an inner sleeve upper cover, an inner sleeve lower over and an inserted stopping plate; an inner sleeve structure face and a movable assembly are further arranged in the inner sleeve; the movable assembly comprises a needle core seat, a buffer pad, a needle tube seat, a front spring and a rear spring. The semi-automatic and full-automatic switched percutaneous puncture biopsy needle disclosed by the invention has the advantages of reasonable structure and high safety; a user can operate the semi-automatic and full-automatic switched percutaneous puncture biopsy needle by one hand; a semi-automatic mode and a full-automatic mode can be freely switched.

The invention discloses a spiral sampling puncture needle comprising a spiral sampling needle head, a cannula and a flexible steel wire flexible shaft, and relates to the technical field of medical instruments. The spiral sampling puncture needle comprises the spiral sampling needle head part used for obtaining complete tissue, the cannula part used for storing the obtained tissue, and the steel wire flexible shaft part used for connecting the spiral sampling needle head with the cannula. The spiral sampling needle head firstly rotates to enter focus tissue to obtain thread-like tissue; the cannula is in a hollow cylinder shape, the head of the cannula is in a sharp shape, and after the spiral sampling needle head obtains the tissue, the cannula enters the focus tissue to protect and storethe tissue and retreats from the focus tissue together with the spiral sampling needle head; and the steel wire flexible shaft is connected with the spiral sampling needle head and the cannula through trapezoidal threads and is used for connecting two shafts which are not positioned on the same axis so as to transmit rotary motion and torque, and the rotary motion and the torque can be flexibly transmitted to any position. The spiral needle head part rotates into the tissue, the obtained tissue is stored in a spiral groove, and the spiral sampling puncture needle has the characteristics thatthe obtained tissue is complete and the practicability is high.

The invention discloses a percutaneous puncture biopsy needle. The needle comprises a needle tubing, a needle core and a handle operation end, the handle operation end comprises an outer shell, an inner sleeve, an anti-error button, a rear percussion button, a left button and a right button, and the outer shell comprises an upper cover and a lower cover; the inner sleeve is arranged in the outer shell and comprises an inner sleeve upper cover and an inner sleeve lower cover, and an inner sleeve structure surface and a movable assembly are further arranged in the inner sleeve; the movable assembly comprises a needle core base, a buffer cushion, a needle tubing base, a front spring and a rear spring, the needle core base is connected with the tail of the needle core, and the buffer cushion is connected with a side hole of the needle core base; the rear spring sleeves the tail of the needle core base, the needle tubing base is connected with the tail of the needle tubing, and the front spring sleeves the tail of the needle tubing base. According to the percutaneous puncture biopsy needle, the inner sleeve structure surface divides an inner cavity of the inner sleeve into a front cavity and a rear cavity, the front cavity can contain the needle tubing base and the front spring, and the rear cavity can contain the needle core base and the rear spring. The percutaneous puncture biopsy needle is reasonable in structure and high in safety, and a user can operate the needle by single hand.