128results about "Hypothermia" patented technology

The invention discloses an intra-spinal anesthesia catheter device with a temperature compensation function, and relates to the technical field of medical instruments. The intra-spinal anesthesia catheter device comprises an anesthesia catheter body, the anesthesia catheter body comprises a thermoplastic elastomer and a shape memory polymer, and the thermoplastic elastomer wraps the outer side of the shape memory polymer. The intraspinal anesthesia catheter has the beneficial effects that through combination of an innovative intelligent material system and an active closed-loop control technology, the traditional contradiction that the rigid requirement and the soft safety of the catheter cannot be achieved at the same time in intraspinal anesthesia is fundamentally solved. The method has the primary advantage that the dynamic programmable adjustment of the mechanical property of the catheter is realized.

A system for controllably administering fluid to a patient. The system including a syringe, a pump, and a user input. The syringe including a plunger with a first mechanical interface and a syringe body for holding fluids. The pump includes a second mechanical interface which interfaces with the plunger via the first mechanical interface to advance the plunger relative to the body of said syringe to controllably administer fluid to the patient. The user input connects to the pump and allows the user to operate the pump to start and stop the translation of the plunger. The syringe includes a mechanical connector configured such that the syringe is attachable to and detachable from the pump and wherein when the syringe is detached from the pump, the plunger of the syringe may be operated manually by the user.

The invention relates to the technical field of syringes, and discloses an anesthetic syringe which comprises a needle cylinder, and the outer wall of the needle cylinder is fixedly sleeved with a limiting wing ring; the connecting mechanism is arranged on the needle cylinder, and the connecting mechanism is used for disassembling and assembling the needle cylinder; the constant-speed pushing mechanism is arranged on the connecting mechanism, and the constant-speed pushing mechanism is used for stably pushing the anesthetic; the constant-speed pushing mechanism comprises a strip-shaped frame piece, and a lead screw is rotationally connected to the inner wall of the strip-shaped frame piece. Through the cooperative design of the constant-speed pushing mechanism and the connecting mechanism, a needle cylinder loaded with anesthetics can be fixed by means of the connecting mechanism, a user can hold the needle cylinder from the grip with one hand and rotate the rotating wheel with the other hand, the pushing block can be driven to translate at a relatively constant speed by rotating the rotating wheel, and a piston is pushed at a constant speed; the stability of injection work is improved, and the discomfort of a patient in the injection process is remarkably reduced.

The invention discloses an acupuncture anesthesia system which comprises a grounding device, a wire and an acupuncture needle, one end of the grounding device is used for being conductively connected with the ground, the other end of the grounding device is conductively connected with one end of the wire, and the other end of the wire is conductively connected with the acupuncture needle; negative electrons in the ground can sequentially flow through the grounding device, the wire and the acupuncture needle to enter acupuncture points and blood of a human body or an animal body. The grounding device is directly communicated with the ground, and a ground super-large capacitor is used as a stable electron source; efficient and stable electron transmission is realized through a conductive path constructed by a wire; by means of an automatic electronic conduction path formed by the grounding device, the wire and the acupuncture needle, negative electron injection and analgesia can be continuously carried out for a long time without continuous manual operation, and therefore the analgesia effect of needle anesthesia is comprehensively improved.

The medical device comprises a liquid storage tank, an injector assembly and a double-one-way-valve system, the injector assembly comprises an injector body and an elastic body, a piston is located in an injection cylinder, one end of a piston rod is connected with the piston, the other end of the piston rod is connected with an end baffle, and the end baffle is connected with the elastic body. The piston rod is sleeved with the elastic body, and the two ends of the elastic body abut against the syringe and the end baffle respectively. The double-one-way valve system comprises a first one-way valve, a second one-way valve and a three-way pipeline, three ports of the three-way pipeline are connected with a discharge port of the first one-way valve, an inlet port of the second one-way valve and a suction and discharge port of the syringe respectively, and the inlet port of the first one-way valve is communicated with the liquid storage tank through a pipeline; compared with full-manual equipment, the automatic liquid replenishing device can realize automatic liquid replenishing and is more convenient to operate. Compared with full-automatic equipment, flexibility of manual pushing injection is reserved, and meanwhile automatic liquid supplementing can be achieved through a simple mechanical structure.

An iontophoresis device includes an outer housing, and a swab subassembly slidingly received within the outer housing that includes an elongated rod, a swab, a conductor extending along the rod and coupled to the swab. The iontophoresis device also includes an additional device subassembly, such as a syringe subassembly, that is slidingly received within the outer housing. The syringe subassembly includes an elongated body for holding a substance, a needle, and a plunger.

Method and system for controllably administering and / or withdrawing fluid from a patient. In one embodiment, the system may include a needle assembly, an ultrasound imager, a fluid supply storage unit, a waste storage unit, a fluid pump, and a foot pedal assembly. A syringe may serve as the fluid supply storage unit and the waste storage unit. The pump may include a bi-directional motor and a gear coupled to the motor. The gear may be engageable with a rack on the syringe plunger to drive the plunger either for fluid aspiration or infusion. Depression of one portion of the foot pedal assembly causes the motor to drive the gear in one direction, and depression of another portion of the foot pedal assembly causes the motor to drive the gear the other direction. The system may include a control device to keep pressure in the fluid path from exceeding a limit.

The utility model belongs to the anus operation technical field, concretely is the surface anesthesia dressing of anus operation postoperative dressing change, including dressing body, the dressing body is by the bottom dressing stem body and the top dressing umbrella body integration and is composed, the inner middle part of dressing stem body forms and has the filling cavity, the inside fixed plug of filling cavity has the soft rubber tube, the inner middle part of soft rubber tube forms and has the pressure slot hole, this dressing avoids using the ointment type anesthetic, will not influence the patient activity and avoids using the ointment type anesthetic and leads to difficult to clean, convenient to use, can alleviate the patient's distress.

The invention discloses a CYP3A4 postoperative intercostal nerve block puncture injection supporting device, and relates to the technical field of intercostal nerve block, the CYP3A4 postoperative intercostal nerve block puncture injection supporting device comprises a supporting frame, a concentric-square-shaped cavity is formed in the supporting frame, a soft support is fixedly connected to the rear side of the supporting frame, patches are symmetrically and fixedly connected to the two sides of the soft support, and uncovering pieces are movably bonded to the sides, away from the supporting frame, of the patches; the device further comprises a disinfection mechanism, a power assisting mechanism and a puncture injection auxiliary mechanism, the disinfection mechanism is arranged on the rear side of the supporting frame, the power assisting mechanism is arranged in the concentric-square-shaped cavity, and the puncture injection auxiliary mechanism is arranged on the front side of the supporting frame. The situation that when medical staff conduct puncture injection on the intercostal skin of a patient, the puncture needle deviates from the target position in the intercostal space of the patient or mistakenly penetrates through other tissue, and consequently local anesthetic medicine is injected into a wrong area is avoided, and the effect of relieving postoperative pain through medicine injection is guaranteed.

Provided is a vehicle for ultrasound-guided interventional operation, including: a vehicle body, wherein the vehicle body is provided with a carriage; an operating table arranged in the carriage; an operating lamp arranged in the carriage; an ultrasonic device arranged in the carriage, wherein the ultrasonic device is configured to provide the ultrasonic guidance; a monitoring device arranged in the carriage, wherein the monitoring device is configured to monitor vital signs of patients during the operation procedure; an anesthesia device arranged in the carriage, wherein the anesthesia device is configured to maintain an anesthesia state of the patient during the operation procedure; and a fixing device arranged on an inner wall of the carriage, wherein the fixing device is configured to fix the ultrasonic device, the monitoring device and the anesthesia device with the inner wall of the carriage during a driving process of the vehicle body.

The invention relates to the technical field of medical instruments, and provides an anesthesia atomization device which comprises an atomization pipe, an integrated pipe, a driving assembly and a conveying pipe. An air inlet is formed in one axial end of the atomizing pipe, and a storage part for storing anesthetic liquid is arranged at the other end of the atomizing pipe. The integrated pipe is arranged on one side of an air inlet of the atomization pipe. The driving assembly is arranged in the integrated pipe, and the conveying pipe is connected to the outlet end of the integrated pipe. A side inlet communicated with the storage part is formed in the side part of the conveying pipe, and a main inlet of the conveying pipe is communicated with an air outlet of the integrated pipe; a flow guide channel extending from the main inlet to the outlet of the atomization pipe is arranged in the conveying pipe. An outlet is formed in the atomizing pipe in the radial direction of the atomizing pipe. An atomizing disc is rotatably arranged in the conveying pipe and is in transmission connection with the driving assembly. External airflow enters from the air inlet, sequentially flows through the atomizing pipe, the integrated pipe and the conveying pipe, and carries mist to flow out from the outlet. According to the invention, the air flow is directionally conveyed and carries anesthetic mist at the same time, so that the condition of non-uniform atomization is effectively avoided.

A disposable postoperative local infiltration anesthesia analgesia system comprises an anesthesia catheter, a guide wire, a lacerable trocar, an injector and an infusion pump, the anesthesia catheter can be sleeved with the lacerable trocar in a matched mode, the guide wire can be sleeved with the anesthesia catheter in a matched mode, a plurality of micropores are formed in the side wall of one end of the anesthesia catheter, and the infusion pump is connected with the guide wire. The micropores are evenly distributed in the circumferential direction of the anesthesia catheter, the other end of the anesthesia catheter is connected with a first connector tube and a second connector tube, a connector of an infusion pump can be in butt joint with the first branch connector tube or the second connector tube, and an injector can be in butt joint with the first branch connector tube or the second connector tube. The anesthesia catheter can be placed into a pain part of a patient through the guide wire and the tearable trocar, wound infiltration is continuously carried out through anesthetic, pain can be accurately, directly and intensively relieved, the using amount of the anesthetic is reduced, the anesthetic is small in side effect or free of side effect, and the anesthesia catheter is convenient to use. Various severe side effect risks caused by opioid abuse can be effectively avoided.

The utility model provides an intraspinal and peripheral nerve block continuous administration infusion system which comprises an air bag, connecting catheters are symmetrically installed on the side wall of the air bag arranged in a skin layer, and a rubber isolation pad is installed in the middle of the interior of the air bag. One end of the connecting guide pipe is connected with a driving mechanism, the driving mechanism comprises a fixing shell, a micro pump and a storage battery are installed in the fixing shell, a switch is installed on the surface of the fixing shell, and the switch is electrically connected with the micro pump and the storage battery; the side wall of the micro pump is provided with two communicating pipes, and one communicating pipe is connected with the connecting guide pipe. The other communicating pipe is connected with an input catheter, and the input catheter penetrates through the skin layer and enters the epidural space from the space between the spinous protrusions. The intraspinal and peripheral nerve block continuous administration infusion system has the advantages of being simple in structure, small in size and convenient to use.

An echogenic needle may have at least one V-shaped spiral groove formed at its distal portion adjacent to its patient end. The walls of the groove are orthogonal to each other. The groove is titled at a given angle from a neutral position toward the proximal end of the needle so that when the needle is inserted into the patient at an insertion angle under ultrasound imaging, the ultrasound wave emitted from the ultrasound transducer is reflected in a substantially reverse direction back to the transducer by at least one wall of the spiral groove. A pair of crisscrossing grooves may be spirally wound about the distal portion of the needle with each groove being tilted to the given angle to enhance echogeneity. The echogeneity of the needle may also be enhanced by increasing the pitch density of each groove while maintaining the crisscrossing groves at their neutral position.

The utility model relates to the related field of medical instruments, in particular to an epidural anesthesia catheter fixing device which comprises an adhesive tape, a fixing seat, a rotating ball, a connecting rod, a guide cylinder, a first bolt, an arc-shaped clamping plate, a first silica gel sheet, a second silica gel sheet, an arc-shaped protrusion, a spring, a groove, an arc-shaped plate, a second bolt, a rubber pad and the like. The rotating ball and the fixing seat are arranged, and the rotator rotates in the fixing seat to drive the connecting rod and the guide cylinder to rotate, so that the path angle of placement of the anesthesia catheter is adjusted, the path of the catheter is optimized, unnecessary bending or twisting of the catheter is avoided, stable flowing of liquid medicine in the catheter is kept, and the anesthesia catheter is convenient to use. Stable liquid medicine conveying is facilitated, and the practicability of the fixing device is improved.

This invention belongs to the field of medical experimental technology, specifically relating to a dental pre-anesthesia device based on an edible matrix, its preparation method, and its application. The device includes a handheld stick, a sugar ball, and a receiving box with a through hole. The box contains a gel anesthetic, which consists of an outer layer of sustained-release gel matrix and an inner anesthetic gel unit. The sustained-release gel matrix is ​​made of gelatin, pectin, or sodium alginate and is ring-shaped to conform to tooth shape. The anesthetic gel unit contains components such as lidocaine hydrochloride, chitosan, and carbomer 980, exhibiting high adhesiveness. Preparation involves first obtaining the anesthetic gel unit, then encapsulating it with the sustained-release gel matrix and coating it with sugar, and finally assembling the device. This device, through its edible matrix and sugar coating, transforms the anesthesia process into a "candy-eating" experience, significantly reducing patient fear, precisely conforming to the teeth and gingival margin, preventing anesthetic leakage, and improving the safety and effectiveness of anesthesia, making it particularly suitable for pediatric dental pre-anesthesia.

The invention discloses a cervical dilation rod capable of controlling medicine release, and relates to the technical field of medical instruments, the cervical dilation rod comprises an insertion piece, one end of the insertion piece is fixedly connected with a connecting thread sleeve, one end of the connecting thread sleeve is fixedly connected with a limiting plate, and the interior of the connecting thread sleeve is in threaded connection with a driving rod; a plurality of flexible arc-shaped petals are installed at the end, away from the connecting thread sleeve, of the inserting piece, a liquid supplementing piece is fixedly connected to one side of the interior of the inserting piece, one end of the liquid supplementing piece communicates with the flexible arc-shaped petals, the driving rod is manually rotated, so that components in the driving rod operate, one end of the driving rod extrudes the flexible arc-shaped petals from inside to outside, and the flexible arc-shaped petals are fixed to the end, away from the connecting thread sleeve, of the inserting piece. The extrusion speed is stable, the multiple flexible arc-shaped flaps are expanded to achieve radial expansion, a doctor can control the expansion diameter in real time according to the hand feeling, follow-up operation treatment of the doctor is facilitated, the doctor becomes a main guide of the expansion process through pure mechanical transmission, accurate control can be conducted according to the real-time hand feeling, and the operation safety is remarkably improved.

A cooling device for cooling a subject's tissue or organ surface, the device comprising a handle and a head. The head comprises an electrical cooling element for cooling the subject's tissue or organ surface. The device also comprises a controller configured to: receive the initial temperature of the subject's tissue or organ surface; determine a cooling temperature based on the initial temperature of the subject's tissue or organ surface and a target temperature; and control the cooling element to generate the cooling temperature. The invention also provides a separate head and handle. The invention also provides a method of controlling the cooling device.

The application discloses a handle type intelligent puncture instrument for intravertebral anesthesia, which comprises a shell, an anesthesia needle, a guide needle and a data processor, a fixing block for fixing the insertion end of the anesthesia needle is arranged at the front end of the shell, a base is fixed in the shell, a reverse L-shaped support is fixed at the front end of the base, a lead screw is arranged at the side of the reverse L-shaped support, a servo motor is arranged on the lead screw, a long slot is arranged on the reverse L-shaped support, the top of the servo motor passes through the slot and is sequentially connected with a first U-shaped clamping groove and a second U-shaped clamping groove which are respectively used for fixing the tail end of the anesthesia needle and the tail end of the guide needle, a ring-shaped pressure sensor is arranged in each of the first U-shaped clamping groove and the second U-shaped clamping groove, and the ring-shaped pressure sensor is connected with the data processor through a wire. The application has the advantages of reasonable design, convenient use, effective reduction of puncture difficulty, improvement of puncture success rate, real-time reflection of the needle insertion depth in the puncture process, avoidance of the risk of damaging nerve tissues, stable adsorption and improvement of work efficiency.

The present invention relates to an RF-needle handpiece tip for spraying coolant in which functions of spraying coolant and applying negative pressure take place simultaneously. The RF-needle handpiece tip comprises: a housing (10) having an interior space; a pressing part (20) provided at the lower end of the housing; pressing-part supports (30) one ends of which are attached to the inside of the housing and the other ends to the back end of the pressing part; at least one coolant-spraying nozzle (231) provided at the lower end of the pressing part; an RF needle part (40) comprising one or more RF needles; a linear actuator accommodation part (50) for generating reciprocating motion of the RF needle part, linearly up and down; a negative pressure formation part (60) for producing a vacuum inside the housing (10); and packing parts (70) inserted between the attachments or gaps inside the housing (10).

Provided herein are methods of reducing knee pain in a subject, the method including selecting an entry point of an injection needle in a subject's leg; inserting the injection needle into the needle entry point; advancing the tip of the injection needle to an injectate administration site; and administering a pharmaceutical composition at the injectate administration site; wherein the needle entry point is proximal to the adductor tubercle, and wherein the advancing the tip of the injection needle utilizes an angle of between approximately 10 and approximately 20 degrees medial to the axis of the femur and between approximately 40 degrees and 75 degrees posterior to the femur, wherein the needle is advanced between one inch and two inches, thereby reducing knee pain in a subject.

The utility model aims at providing a nerve block needle which reduces puncture needle block and facilitates control of drug entry. The utility model discloses a needle handle, a puncture needle fixedly connected with one end of the needle handle for puncture, a flow control assembly detachably connected with the other end of the needle handle for controlling drug flow, a protective sleeve detachably connected with the lower end of the needle handle, and a flow tube arranged at one end of the flow control assembly for flowing in drug. The flow control assembly comprises a connecting block detachably connected with the needle handle, a control piece slidably connected with the connecting block for controlling drug flow, and a plurality of elastic members arranged at one end of the connecting block and in top pushing cooperation with the control piece. The connecting block is formed with the flow tube for drug flow. One side of the connecting block is formed with a slot for slidable connection of the control piece. The plurality of elastic members are arranged at the bottom of the slot. The control piece is provided with a flow hole for drug to pass through. The utility model is applied to the technical field of nerve block needles.

The application provides an intelligent postoperative analgesia method and device based on voice recognition control, and relates to the technical field of postoperative analgesia. The method comprises the following steps: initializing the analgesia infusion level of an analgesia pump as an intermediate level, wherein the analgesia pump is provided with multiple levels, and the levels are arranged in ascending order according to the analgesia infusion dose; the analgesia pump is activated by voice in response to the occurrence of discomfort symptoms of a patient, and the analgesia pump is controlled to inquire whether the patient has insufficient analgesia or excessive analgesia; if the patient feeds back insufficient analgesia, the analgesia pump is controlled to execute single-dose administration or to increase the analgesia infusion level; and if the patient feeds back excessive analgesia, the analgesia pump is controlled to suspend drug infusion or to reduce the analgesia infusion level. Through voice control and dynamic dose adjustment technology, convenient operation and individualized analgesia management are realized, the problems of insufficient analgesia or excessive analgesia caused by fixed dose setting in a traditional analgesia pump are avoided, the frequent intervention of medical staff is reduced, and the safety and effect of postoperative analgesia are improved.

The utility model discloses a disposable visual laryngoscope capable of preventing fog and realizing surface anesthesia, which comprises a visual display screen, a laryngoscope handle, a laryngoscope lens and an injector, the visual display screen is arranged at one end of the laryngoscope handle, the laryngoscope lens is arranged at the other end of the laryngoscope handle, a camera is arranged at the front end of the laryngoscope lens, and the camera is connected with the visual display screen through a cable. The injector is detachably arranged on the laryngoscope handle and connected with one end of the spray pipe, the other end of the spray pipe extends into the laryngoscope blade from the rear end of the laryngoscope blade and extends out of the front end of the laryngoscope blade, the atomization nozzle is arranged at the front end of the spray pipe and supported and fixed through an adjusting support arranged in the laryngoscope blade, and the fixing plate is arranged on the side wall of the laryngoscope handle. A positioning plate is arranged at one end of the fixing plate, a positioning hole is formed in the positioning plate, and the positioning plate is fixedly connected with a laryngoscope handle through a positioning screw arranged in the positioning hole. The laryngoscope can effectively infiltrate local anesthesia medicine on the throat, and the visual laryngoscope cannot fog when entering the oropharynx.

The invention discloses an anesthesia puncture needle positioning probe for nerve block under the guidance of B ultrasound, and relates to the technical field of ultrasonic puncture. The B-ultrasonic probe comprises a B-ultrasonic probe body and a puncture needle, a handheld cylinder is fixedly connected to the upper side of the B-ultrasonic probe body, the puncture needle is located in the handheld cylinder, a groove corresponding to the handheld cylinder is formed in the lower portion of the B-ultrasonic probe body, a fixing base is arranged in the handheld cylinder in a sliding fit mode, and the center line of the groove coincides with the tangent plane of the B-ultrasonic probe body. The fixing base is arranged in the handheld cylinder, the driving piece drives the threaded rod to rotate through the self-locking transmission assembly, the threaded hole in the movable arc-shaped clamping plate is in threaded fit with the threaded rod, so that the movable arc-shaped clamping plate can move in the axial direction of the threaded rod, then the puncture needle is clamped or loosened, and the operation process is simple and convenient.

This provides a method to alleviate symptoms of discomfort on the surface of the eye. [Solution] A method for relieving symptoms of discomfort on the surface of the eye is disclosed herein, the method comprising: applying a cold slurry topically adjacent to the limbus of the cornea of ​​a patient's eye, wherein the cold slurry comprises water and a coagulation point inhibitor, the topical application of the cold slurry is configured to cause some degree of paralysis of the cornea of ​​the eye for a period of time, and ocular sensation of the eye is restored after a period of time.

The invention provides a puncture device based on laser positioning, which comprises a supporting piece, a first laser is vertically arranged at the end part of the supporting piece, and a movable positioning piece is rotationally connected to the side part of the supporting piece; the movable positioning piece comprises a second movable connector, a sliding groove, a sliding rod, a second laser device and a moving assembly. The second movable connector is rotationally connected with the supporting piece, and a sliding rod of a one-fourth circular ring structure is fixed to the side portion of the second movable connector. A sliding groove is formed in the side portion of the sliding rod and slidably connected with a moving assembly. A second laser is arranged on the side part of the moving assembly; the first laser is used for positioning a puncture point, and the second laser indicates puncture of the positioning needle. The puncture point and the puncture angle of the puncture needle are determined under the guidance of the imaging technology, the determined puncture point and the puncture angle are modified through the two lasers, the two lasers are used for guiding the puncture entry point and the entry angle, adjustment after puncture is not needed, the pain of a patient is relieved, and the puncture difficulty of a doctor is reduced.

This invention discloses an anesthesia injection device, its automatic control method, and a hair transplant robot, relating to the field of medical surgical equipment technology. The device includes: a fixing mechanism for mounting on a robotic arm and being driven by the robotic arm; a first feeding mechanism disposed on the fixing mechanism; an injection mechanism disposed on the first feeding mechanism, the first feeding mechanism driving the injection mechanism to move; and a vision control unit disposed on the fixing mechanism for acquiring images and controlling the movement of the first feeding mechanism and / or the robotic arm based on the acquired images, so that the injection mechanism reaches a target position. The anesthesia injection device, its automatic control method, and the hair transplant robot of this invention can automatically inject anesthetic into the scalp of a target person with low pain during injection, and the injection process is fast and efficient.