68results about How to "Will not oppress" patented technology

The invention discloses a novel opto-acoustic mammary gland imaging instrument which comprises a laser, a fiber bundle, a detection groove, a circular array detector, a data acquisition card and a processor, wherein the processor is connected with the laser and the data acquisition card; the laser is connected with the fiber bundle; the data acquisition card is connected with the circular array detector; a power mechanism for controlling the detection groove to rotate or / and rise and fall is also arranged below the detection groove, and the power mechanism is also connected with the processor; and an opening is formed in the top of the detection groove, and the fiber bundle and the circular array detector are respectively arranged on the inner wall of the opening of the detection groove. The novel opto-acoustic mammary gland imaging instrument has a high-resolution, high-contrast, accurate and real-time three-dimensional imaging function, has the lesion fixed point accuracy of lower than + / -0.5mm, and can be used for positioning micro-lesions, thereby increasing the accuracy of an operation part.

The invention discloses an intelligent wearable device for a urine and feces care machine, comprising: a urine and feces collector body, wherein the collector body comprises a urinal and a urinal, and the urinal and the urinal are integrally connected by an elastic body, The urinal is connected with a wearing back piece, and the urinal is connected with a wearing front piece, wherein, the wearing front piece is also provided with an automatically retractable belt assembly, the wearing front piece and the wearing rear piece are connected. A pair of shorts is wrapped around the buttocks of the human body through the connection of the hook and loop fasteners, and the body of the urine collector is placed on the defecation site. The wearing device of the present invention has an intelligent elastic waistband, which can prevent the bedridden from tightening the waistband for a long time and cause poor blood circulation; automatic buttocks in-position detection, elastic large and urinal, balance and tightness, prevent side leakage, will not compress the buttocks for a long time, avoid Pressure ulcers; at the same time, it senses the tilt to ensure no side leakage when tilted, and also has the function of pulling the buttocks, which is convenient for flushing the defecation site, and responds quickly to prevent leakage.

A needle dislodgement and blood leakage detection device includes a sensor assembly including a flexible sensor and an alarm device to which the sensor assembly is mounted. The flexible sensor includes two blood leakage detection electrodes that circumferentially surround a needle piercing site. The blood leakage detection electrodes are contactable by a needle in a manner of crossing therebetween to get shorted or are contactable with blood leaking out of the needle piercing site to get shorted. The alarm device is positionable on a body surface of a patient and is electrically connected to the blood leakage detection electrodes so as to issue an alarm message when the detection electrodes are shorted. The flexible sensor has a thin plate configuration that is flexible allows the flexible sensor to be flat attached to the patient body surface and deformable with the bending of a limb of the patient.

The invention discloses a three-dimensional flaky folding low-pressure mask, which comprises a face mask formed by at least one layer of filtering sheet. A folding part is arranged on the face mask. The three-dimensional flaky folding low-pressure mask is characterized in that the folding part is provided with a linear folding mark, fold line folding marks and drape folding marks; the face mask is forwards folded along the linear folding mark and is then reversely folded back along the fold line folding marks; the fold line folding marks are formed by two line segments through end-to-end connection; the drape folding marks are formed by distributing fold line folding marks on the reversely folded face mask through starting from the vertexes; the number of the drape folding marks starting from the vertex of each fold line folding mark is more than two; the drapes are flattened through the folding along the drape folding marks; each folded layer is in a flat flake folding state; after the folding, the periphery edge of the face mask is bonded; in the use process, the folding parts are unfolded, an outwards projected space can be formed at the vertex of the fold line folding marks; the form is stable; the airflow is smooth; the filtering efficiency of each position of the filtering sheet can be achieved in a balanced way; and the integral filtering effect is improved.

The invention relates to a back-mounted tool which comprises a backplate for carrying articles and shoulder straps fixed on the backplate. Fixing straps for fixing the articles on the backplate are arranged on the backplate. By adopting the back-mounted tool, the articles are carried through the backplate which is open and fixed on the same through the fixing straps to replace conventional closed article carrying modes adopting article carrying bags or boxes. The back-mounted tool can carry and fix articles different in shape, size and weight, and the backplate belongs to an open article carrying platform with broad space and is matched with the fixing straps for use, so that the back-mounted tool is simple in structure, quite extensive in type of articles which can be carried and extremely high in applicability.

The invention discloses a fixing steel plate for the posterior cruciate ligament tibial avulsion fracture. The fixing steel plate is provided with a U-shaped pressing plate, the periphery of the front portion of the posterior cruciate ligament tibial insertion is covered with the bending part of the U-shaped pressing plate, and the two sides of the U-shaped pressing plate extend along the edges of the two sides of the posterior cruciate ligament tibial insertion respectively to the rear poration of the posterior cruciate ligament tibial insertion; the lower surface of the U-shaped pressing plate is a curved surface matched with the surface of the bone covered with the U-shaped pressing plate; the two sides of the U-shaped pressing plate are each provided with a lug extending outwards, and the lower surface of each lug is a curved surface matched with the surface of the bone covered with the lug; a screw hole is formed in the middle of each lug, and the axis of each screw hole points to the cortical bone in front of the upper section of the tibia; one line tying hole is formed in the position, close to the front edge of each lug, on the corresponding side of the U-shaped pressing plate, and one line tying hole is formed in the position, close to the rear edge of each lug, on the corresponding side of the U-shaped pressing plate.

A steering system includes a steering column and a steering wheel gear that are offset from each other so that the torque of steering wheel is transmitted to steering column. An airbag module received in a steering wheel hub of steering wheel is independently mounted such that it is not rotated together with steering wheel by using an offset torque transmission structure interconnecting the steering wheel and steering column. Such configuration allows deployment of a cushion having an asymmetrical optimum shape configured to avoid contacting the chest of a passenger. As the airbag module is not rotated, it is possible to significantly improve the design visibility of a logo.

The invention discloses an infusion device specially used for infusion of children, Including retaining tape, At one end of that fix belt, a fixing box is arranged, two U-shaped channels are arrangedinside the fixing belt, A fixing belt is arranged inside the U-shaped channel, A fixing device is arranged inside the fixing box of the fixing belt, the fixing device is to prevent the fixing belt from moving again by the pressure, so as to ensure that the child does not drop the needle when moving the arm, A pin-tie device is arranged on the fixing belt, the needle device allows doctors and nurses to see the child 's blood vessels more clearly through a magnifying glass, so as to facilitate medical staff to give injections to children, A low part of that fixing belt is provide with an arm anti-skid anti-squeeze device, The arm anti-skid anti-squeeze device reduces the friction of the fixing strap to the child's arm directly by using an air bag, and can also prevent the fixing strap from being too tight so as to reduce the harm to the child's arm. The fixing strap is provided with a needle tube fixing device, and the needle tube fixing device is inserted into a corresponding groove toprevent the needle tube from moving and falling off. The invention has the advantages of simple structure and strong practicability.

The invention discloses a transporting device for rapidly mounting light partition wall boards. The transporting device comprises a transporting box body, one side face of the transporting box body is open, a plurality of placing plates are arranged in the transporting box body from top to bottom sequentially, the placing plates are square waveform plates, that is, grooves formed alternately are formed above and below the placing plates. A supporting separation plate is arranged below each placing plate, the placing plates and the supporting separation plates are slidably connected with the inner wall of the transporting box body, the placing plates and the supporting separation plates can move up and down along the inner wall, and the placing plates and the supporting separation plates are detachably connected with the inner wall of the transporting box body. The transporting device can achieve efficient transporting of partition wall boards, and causes no damage to the partition wall boards at the same time, the spatial structure is utilized reasonably, compact placing and mass transporting of the partition wall boards can be achieved, and the device can be suitable for placing and transporting of C-shaped and common partition wall boards.

The invention provides a multifunctional temperature-regulating hospital bed, which belongs to the technical field of medical apparatus and instruments, and solves the problems that the contact part of the existing hospital bed and a body is hotter, and the structure of the existing hospital bed is short of comfort. The multifunctional temperature-regulating hospital bed comprises a bed frame, a bed plate and a bed mattress, wherein the bed mattress comprises a hard bottom plate, a support plate and a cushion; the cushion comprises breathable cotton and a latex layer; the support plate is in a shape formed by a plurality of S shapes connected end to end; the bed mattress also comprises a baffle plate I, a fan and a steel mesh; a ventilation opening is arranged on the baffle plate I; the steel mesh is arranged on the ventilation opening; the fan is connected onto the steel mesh; the bed mattress is provided with a baffle plate II; a vent hole is arranged in the latex layer; the cushion and the bottom plate are divided through the support plate to form two exhaust passages; an opening slot I and an opening slot II respectively close to one side of a bedside and one side of a bed tail are arranged on the bed mattress. The fan is controlled to rotate in the forward direction and in the reverse direction, so that the temperature of the contact part between the body and the hospital bed is balanced with the room temperature; during intravenous injection, an arm of a patient is placed in the opening slot I, so that the vein on the arm cannot be oppressed when the patient is turned over.

The invention provides a uterus manipulator. The uterus manipulator comprises a handle and a tile angle rod, wherein the handle is used for hand holding operation, the tilt angle rod comprises a firstend and a second end which are oppositely arranged, the first end is fixedly connected with the handle, the second end is used for entering a human abdomen, at least part of the tilt angle rod extends along a curve from the second end to the first end, the driving handle can drive the second end to deviate to different angle directions, a fixing hole is formed in the second end, and the fixing hole allows a stitches sutured at one end, away from cervix, of uterus to for fixation and knotting. A uterus fixation method in a laparoscopy surgery comprises the following steps: forming a transversecut in the lower abdomen; using a puncture outfit to enter the abdomen through puncture; penetrating the abdomen with the uterus manipulator; and connecting one end of the uterus with the fixing holethrough the stitches; driving the handle to adjust the uterus direction. The uterus manipulator can realize a tumor-free operation requirement and accurately control the swing direction of the uterus.

The invention discloses a dual-screen laptop, which comprises a host and a cover plate which is rotatably connected to the host, wherein a screen is embedded into the inner plate surface of the coverplate, and a screen B is embedded into the outer plate surface. The dual-screen laptop also comprise a an induction block arranged on the cover plate, an induction switch arranged on the host, a signal collection module and a selector switch module, wherein the signal collection module and the selector switch module are arranged in the host; the induction switch induces an induction block on the cover plate to generate an electric signal; the electric signal is collected to the selector switch module through the signal collection module; and a laptop power supply is independently connected tothe screen A and the screen B through the selector switch module. When the dual-screen laptop is used as a tablet personal computer, the keyboard is not under unnecessary compression.

The invention discloses a splicer for a corrugated board production line. The splicer comprises a fixed shaft barrel; the fixed shaft barrel is provided with a driving shaft body therein; the driving shaft body comprises a shaft rod; the shaft rod is provided with a pair of support bearings; the bottom of the shaft rod is provided with a detachable feeding disk head. When corrugated boards on a splicer rack is conveyed to the opening of the splicer rack, multiple feeding disk heads rotate synchronously so that the corrugated boards are quickly fed to a conveyer belt under the splicer rack, which is quick and reliable and is not liable to slip; therefore the feeding efficiency of corrugated boards is greatly increased. Besides, since the double bearing support is adopted, the feeding disk heads rotate stably and boards will not be compressed so that the splicer is especially suitable for use in high-speed corrugated board production lines.

The invention provides a sock and belongs to the field of living goods. The sock comprises a welt, a first coating skirt and a second coating skirt, wherein the welt is set to be annular and woven bya compression weaving method; the first coating skirt is connected with one end of the welt and woven by the compression weaving method; the second coating skirt is connected with one end, which is connected with the first coating skirt, on the welt; the second coating skirt is woven by the compression weaving method; the second coating skirt and the first coating skirt are opposite to each other;and the second coating skirt and the first coating skirt are arranged at an interval. According to the sock, the ankle of a person can be effectively coated, the human ankle is prevented from being compressed, and the human wearing comfort is improved.

The invention discloses a waterproof and antibacterial perforated graphene eyeshade. The eyeshade comprises an eyeshade body and eyeshade bandages, wherein the eyeshade body comprises a nano-silver coating film with an antibacterial effect, first acetate cloth, an FPC flexible circuit board, second acetate cloth and a nano waterproof coating from inside to outside; graphene heating coatings are laid on the upper surface of the FPC flexible circuit board, the graphene heating coatings are olive-shaped and distributed at the positions of the two eye sockets, and the graphene heating coatings arelocated at the upper end and the lower end of the eyeshade and connected to the positive electrode and the negative electrode of the power source through the FPC flexible circuit board. The hook-and-loop fastener velvet and a hook-and-loop fastener hook are sewn at the two ends of the eyeshade bandages respectively, the width of the hook-and-loop fastener velvet is 3-4 times that of the hook-and-loop fastener hook, a nose pad is arranged at the position, corresponding to the nose bridge, of the eyeshade body, the good plasticity is achieved, and a buffering pad is bonded to one face of the nose pad. The eyeshade has the advantages of being convenient to carry and wear, good in water resistance, free of bacterium breeding, and definite in physical therapy effect and the like.

The antistatic shoe includes one outer sole of conducting material, one inside sole with at least one hole and conducting cloth set on the hole. The antistatic shoe can release static electricity from human body to earth and is comfortable. The making process of the antistatic shoe includes the following steps: producing conducting cloth, making inside sole with hole, setting the conducting cloth on the hole, inserting the inside sole into shoe tree and the bottom of upper, and hot injection to form in mold. The present invention has simple production process.

A hand rehabilitation device (100) comprises: at least one first support (124) configured to support the thumb of a hand, wherein said at least one first support (124) is designed to perform a flexion / extension movement for rehabilitating said thumb, said flexion / extension movement being actioned by a first transmission mechanism to which the at least one first support (124) is connected; at leastone second support (120, 121, 120B) configured to support the index finger of said hand, wherein said at least one second support (120, 121, 120B) is designed to perform a flexion / extension movementfor rehabilitating said index finger, said flexion / extension movement being actioned by a second transmission mechanism to which the at least one second support (120, 121, 120B) is connected; at leastone third support (122, 123, 122B) configured to support the three remaining fingers-middle ring, and little fingers of said hand, wherein said at least one third support (122, 123, 122B) is designedto perform a flexion / extension movement for rehabilitating said three remaining fingers, said flexion / extension movement being actioned by a third transmission mechanism to which the at least one third support (122, 123, 122B) is connected. The first, second and third transmission mechanisms are actuated by at least one motor, and the three flexion / extension movements of said at least one first support (124), said at least one second support (120, 121) and said at least one third support (122, 123) are independent from each other.

The invention discloses a method for digitally manufacturing a sequence occlusion induction occlusal plate and the prepared occlusal plate. The method comprises the following steps: firstly, recording upper and lower dentition forms through three-dimensional scanning; a proper occlusal relationship and movement tracks of a mandibular movement hinge shaft, protraction and lateral movement are recorded, relative positions of upper and lower jaw dentitions are positioned by utilizing the occlusal relationship when clinical symptoms are eliminated, and after interference is removed by utilizing the movement tracks, a first occlusal plate is made by applying computer-aided material increase or material decrease. Selecting a stable position after wearing, and recording upper and lower dentition forms again; the occlusal relationship and the mandible motion trail are determined, a germination space is accurately designed at a target tooth position, and a plurality of occlusal plates are established through gradual guiding and occlusal.

The invention discloses a diabetic foot massage device for the peripheral vascular department. The diabetic foot massage device comprises two massage boxes which are laterally distributed, wherein theupper end of each massage box is provided with an opening; a foot cover is arranged in each massage box; massage devices which are distributed along the bottom surface side line of the outer side ofeach foot cover and are distributed along the bottom surface length direction of the foot cover below the bottom surface of the foot cover are arranged in each massage box; each massage device comprises shafts and massage cams, wherein each massage cam is sheathed to each shaft; the shafts of the massage device on the outer side of each foot cover are vertical, and the shafts of the massage devicebelow the bottom surface of each foot cover are laterally arranged; the shafts and each massage box are rotatably connected; the massage cams and each foot cover are in contact; the shafts of any twoadjacent massage devices on the outer side of each foot cover are in transmission through a transmission gear; any two adjacent massage devices below the bottom surface of each foot cover are in transmission through the transmission gear; a driving shaft is arranged above each foot cover and is sheathed with a driving gear; the driving shaft is in transmission connection with the shaft of any onemassage device on the outer side of each foot cover; and the shaft of any one massage device on the outer side of each foot cover is in transmission connection with the shaft of any one massage device below the bottom surface of each foot cover.

The invention relates to anorectal postoperative fixing trousers, which belongs to the technical field of medical treatment. The fixing trousers are convenient and practical, ventilation is better facilitated, the use comfort of a patient is improved, the dressing can be tightly attached to crissum skin, and recovery of the patient is facilitated. A drainage tube can be installed on the fixing trousers through threads and can also be detached from the fixing trousers to be used according to needs. When the drainage tube is used on the day of an operation, a main tube can effectively assist a postoperative patient in exhausting, observing drainage and judging whether bleeding occurs; on the other hand, liquid is injected through the tail portion of a first branch pipe, the balloon at the front end is bulged, the effects of fixing and compression hemostasis are achieved, and primary bleeding of the postoperative high-position wound surface is well prevented; and on the other hand, a second branch pipe is convenient for postoperative flushing and probing, and hemostatics, therapeutic drugs and the like are convenient to perfuse, and then only the sterile dressing is used, the steriledressing is also detachable, the sterile dressing is adhered to the fixed pants body, and the sterile dressing can be replaced as required.

The invention relates to an auxiliary fixture for making a test support for a high-density interconnection circuit board. The fixture comprises a square tube and a copper bar, the upper parts of vertical beams on two ends of the square tube are respectively provided with an insulation block for clamping a hook of a gantry crown block, the bottom parts of the vertical beams on two ends of the square tube are respectively used for clamping two ends of the cooper bar, a plurality of clamps are evenly arranged on the copper bar, an upper cover which has the same shape as the upper part of the square tube is arranged on the square tube, and edges of two sides of the upper cover extend to the outer side of the square side. The auxiliary fixture has a simple structure and low cost, can well cover the square tube and the copper bar, ensures that the square tube and the copper bar is not directly polluted by drug liquid dropped from other circuit boards, and prolongs the service life of the square tube and the copper bar.

The invention relates to medical equipment, in particular to an ulnar artery compression-free hemostat. The ulnar artery compression-free hemostat is formed by a handle cover, a grab handle, a sawtooth clip, a pull ring, an axle stand, a wheel groove, an eccentric wheel, a rotating shaft, a reed, a binding pipe, a fixing band, a nylon fastener tape, a pressure avoidance ring and a positioning ring. The grab handle and the positioning rod are vertical to each other and are both integrated with the eccentric wheel into one whole body. The eccentric wheel is positioned in the wheel groove. The sawtooth clip is welded on the upper surface of the axle stand, wherein the lateral surface of the sawtooth clip is of an arc shape and sawteeth are arranged inside the sawtooth clip. The circular ring-shaped pull ring is welded on the outer arc surface of the sawtooth clip. The reed is welded on the lower surface of the wheel groove. The middle part of the fixing band on the right of the axle stand is connected with the pressure avoidance ring of which the lateral surface is of a semiring shape. According to the invention, the ulnar artery cannot be compressed; and the ulnar artery compression-free hemostat can be convenient to position when applying different pressures to the radial artery and has a good hemostatic effect.

The invention discloses a cap-off type sanitary strip, a production method and a use method thereof. The sanitary strip comprises a cover body which is made of a permeable soft material and is internally provided with a cavity with a downward opening, wherein the cavity is filled with a coil; the coil is formed by winding a flexible wire made of the permeable soft material to form a structure capable of being drawn and released; the flexible wire is provided with an inner end and an outer end; the inner end is connected to the top of the cavity wall of the cavity of the cover body; the outer end is provided with a pull wire which extends out of the cover body and can be pulled out by a user; and the user can draw and release the coil of the whole structure capable of being drawn and released to form the flexible wire by drawing and pulling the pull wire. The cap-off type sanitary strip has the advantages that when the sanitary strip is taken out, the flexible wire can be formed by drawing and releasing the structure, a filler in the cover body is taken out, the cover body is soft and shrinks, and the cover body is turned inwards through the inner end of the flexible wire and is taken out from the vagina. The sanitary strip in the technical scheme does not press the vaginal wall, does not damage the vaginal wall and is convenient to take out.

The invention discloses an orthopedic assistive device for mild hallux valgus deformity, which is characterized in that the orthopedic assistive device comprises a protective shell, a protective pad is arranged on the inner side of the protective shell, a locking device is arranged on the outer side of the protective shell, and the locking device comprises a spring bolt, a rotary switch and a memory leaf spring; the spring bolt is arranged on the locking device and is connected with one end of the memory leaf spring through a spring and the rotary switch, and the other end of the memory leaf spring is connected with a foot sleeve. The invention has the advantages of simple structure, light, small and exquisite style and convenient to carry, a hallux valgus patient can automatically adjust force applied by the orthosis according to the deformity degree and the pain degree of the hallux valgus patient, and the problem that hallux valgus deformity has different disease conditions is effectively solved.

The invention discloses a fixing steel plate for the posterior cruciate ligament tibial avulsion fracture. The fixing steel plate is provided with a U-shaped pressing plate, the periphery of the front portion of the posterior cruciate ligament tibial insertion is covered with the bending part of the U-shaped pressing plate, and the two sides of the U-shaped pressing plate extend along the edges of the two sides of the posterior cruciate ligament tibial insertion respectively to the rear poration of the posterior cruciate ligament tibial insertion; the lower surface of the U-shaped pressing plate is a curved surface matched with the surface of the bone covered with the U-shaped pressing plate; the two sides of the U-shaped pressing plate are each provided with a lug extending outwards, and the lower surface of each lug is a curved surface matched with the surface of the bone covered with the lug; a screw hole is formed in the middle of each lug, and the axis of each screw hole points to the cortical bone in front of the upper section of the tibia; one line tying hole is formed in the position, close to the front edge of each lug, on the corresponding side of the U-shaped pressing plate, and one line tying hole is formed in the position, close to the rear edge of each lug, on the corresponding side of the U-shaped pressing plate.

The invention discloses a plastic plate processing and trimming equipment. The structure includes a workbench, a trimming wheel, and a control box. The trimming wheel vertically runs through the inside of the workbench. When the edge wheel rotates, its plastic plate moves along the surface of the trimming wheel, and its scale-shaped combination piece will be stuck into the inside of the grinding channel along the moving direction. When the combination plate passes through the smooth opening, it will be stuck between the inside of the joint rod When the outer inclined part is snapped in, when the plastic board continues to move backward, when the finished plastic composite board is trimmed, the main part and the composite sheet can be separated, so that it will not be oppressed, and it will be When it is placed in the inner road of the mill, it will exert force on the corner, so that the external force can be better wrapped and exerted. The arc will be bent by the force, and its spacer will squeeze the spacer, evenly By separating the overall force-bearing pulling surface, the equipment can adjust the slope of the object according to the object when the object has a different slope and is moved in for trimming.

The invention relates to the technical field of electronic candles, in particular to an electronic candle machine core wire frame which comprises an upper side plate, a lower side plate and a windingshaft arranged between the upper side plate and the lower side plate; the upper side plate, the lower side plate and the winding shaft are integrally formed; the upper side plate and the lower side plate are arranged in parallel and are both a disc-shaped mechanism; the upper side plate, the lower side plate and the winding shaft share one axial line; the lower side plate is provided with a firstcuttage grafting column and a second cuttage grafting column which are perpendicular to the lower side plate and extend outward; each of the first cuttage grafting column and the second cuttage grafting column is provided with a contact pin which shares one axial line with each of the first cuttage grafting column and the second cuttage grafting column and extends outward, is installed on the bottom surface of the lower side plate, is more small in size and more saves space; a first wire inlet groove and a second wire inlet groove are provided, a coil is difficultly loosened and is strong in stability; one surface, matched with a PCB, of the electronic candle machine core wire frame is provided with positioning columns, the positioning columns are higher than the first cuttage grafting column and the second cuttage grafting column, the contact pin cannot oppress a coil when being inserted into the PCB, and the wire is difficultly broken; and the upper side plate is provided with a polarity labeling column and can rapidly recognize an anode and a cathode when being mount, and the anode and the cathode are difficultly inserted by mistake.

The invention discloses a vertical rehabilitation treatment device. The vertical rehabilitation treatment device can be used for traction treatment of waist diseases such as waist muscle strain, lumbar disc herniation and lumbar spinal stenosis. According to the vertical rehabilitation treatment device, treatment device bodies with various physical therapies are installed on the same stand column,a vertical traction frame and waist twisting are adopted, a patient stands for traction, and biomechanics and ergonomics are better met. Suspension clothes are arranged at the positions, corresponding to the chest of the human body, of the device, elastic air bags located under armpits are arranged on the suspension clothes, the armpits are prevented from being subjected to rigid lifting force during upward traction, and compression on the nerves under the armpits of the patient is reduced.