Medical clinical injection point laser calibration mechanism
The application is a divisional application of an invention patent application with the application number of 2018113696230, the name of which is a positioning device for endocrine clinical injection and the application date of which is 2018, 11 months and 17 days.
Technical Field
The invention relates to the technical field of medical appliances, in particular to a medical clinical injection point laser calibration mechanism.
Background
The endocrine diseases refer to symptoms occurring when the secretion function and/or structure of endocrine gland or endocrine tissue are abnormal, during the clinical treatment process of the endocrine diseases, continuous injection of drugs is needed to maintain the balance of body hormones, which is a long-term and complex process, and during the injection of drugs, the accuracy of injection is not easy to grasp only by the experience of medical staff, and the accurate positioning of the injection part cannot be ensured due to the movement of the arm of a patient during the injection process, so that the treatment effect is easily influenced. In the chinese patent application No. CN108325028A, an injection positioning device for endocrine clinic is disclosed, in which one end of a pressing rod is in contact with a rotating block, so that the rotating block is clamped and cannot rotate, and thus the distance between a mounting seat and a support column is well controlled, and the clamping effect of an arm can be well adjusted, thereby facilitating the use of a user. However, the device only fixes the arm, cannot limit the syringe, and still has the problem that the syringe deviates during injection.
Disclosure of Invention
The invention aims to overcome the technical defects and provide a medical clinical injection site laser calibration mechanism, wherein a fixed groove and an upper fixing frame can fix and clamp the arm of a patient, the height, the longitudinal position and the transverse position of a positioning device can be adjusted by irradiating a laser positioning lamp on the arm of the patient below as reference, an injector can carry out accurate injection by the righting action of a lower positioning cylinder, and the injection precision is greatly improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: a laser calibration mechanism for medical clinical injection sites comprises a base, a positioning frame, an upper positioning barrel, a lower positioning barrel and a laser positioning lamp, wherein a first height adjusting rod and a second height adjusting rod are fixedly connected between two upper fixing frames on the left side and the right side of the upper end face of the base, a rotating ring is clamped at the top end of the first height adjusting rod, a clamping groove with a T-shaped section is arranged on the lower end face of the rotating ring, a clamping block matched with the clamping groove is fixedly connected at the top end of the first height adjusting rod to prevent the rotating ring from being separated, a third height adjusting rod is inserted in the first height adjusting rod and is a threaded rod which is in threaded connection with the rotating ring, a fourth height adjusting rod is inserted in the second height adjusting rod, a first locking knob is arranged on the third height adjusting rod, the rotating ring is rotated to adjust the position of the third height adjusting rod and is fixed by the self-locking effect of threads, as will be seen hereinafter, the fourth height adjustment bar may remain in synchronous movement with the third height adjustment bar, secured by means of the first locking knob; the top end of the third height adjusting rod is fixedly connected with a first support frame, the top end of the fourth height adjusting rod is fixedly connected with a second support frame, the front end of the first support frame is inserted with a longitudinal adjusting rod, the first support frame is hollow and is provided with a through groove at the upper end, the longitudinal adjusting rod is in threaded sleeve connection with the inside of the first support frame, a third support rod penetrating out of the through groove is fixedly connected above the sleeve, the top end of the third support rod is fixedly connected with a transverse first connecting rod, the right end of the first connecting rod is fixedly connected with a longitudinal second connecting rod, the right sides of the front and rear ends of the second connecting rod are fixedly connected with two adjusting cross rods, the right ends of the front and rear adjusting cross rods are fixedly connected with a third connecting rod, the right end face of the middle part of the third connecting rod is fixedly connected with a fourth connecting rod, the longitudinal adjusting rod is rotated to drive the sleeve to move back and forth, so as to adjust the front and rear positions of the positioning device, a sliding groove is arranged above the second support frame, a third rack is fixedly connected to the right end face in the sliding groove, a cavity is reserved at the lower part of the right end of a fourth connecting rod, a locking rod is hinged in the cavity, a supporting spring is fixedly connected to the left side of the upper end of the locking rod, the left end of the supporting spring is fixedly connected to the left side wall in the cavity, a top rod is connected to the right end of the fourth connecting rod in a threaded manner, a rack seat is fixedly connected to the right end face below the locking rod, a fourth rack is fixedly connected to the rack seat, the third rack and the fourth rack are matched in a proper mode, under the normal state, the locking rod keeps the influence of the supporting spring, the lower end of the locking rod deviates leftwards to enable the third rack to be separated from the fourth rack, the movement of the fourth connecting rod is not affected at the moment, after the positioning device is moved to a proper position, the top rod is rotated leftwards to push the top end of the locking rod to rotate leftwards, the lower end of the locking rod is rotated rightwards, the third rack is meshed with the fourth rack, the fourth connecting rod is not movable at the moment, the front and back longitudinal position of the device is fixed, a sliding barrel is fixedly connected to the front side and the back side of an upper positioning barrel, the sliding barrel is sleeved on an adjusting cross rod, a second locking knob is connected to the outer thread of the sliding barrel, the upper positioning barrel can move left and right by means of the sliding barrel, so that the transverse horizontal position of the upper positioning barrel is changed, meanwhile, the sliding barrel is fixed by means of the second locking knob, four positioning grooves are formed in four corners of the top end of the upper positioning barrel, a cross-shaped positioning frame is connected to the positioning grooves in a clamped mode, a laser positioning lamp is fixedly connected to the center of the positioning frame, a lower positioning barrel is connected to the inner portion of the upper positioning barrel in an inserted mode, the inner diameter of the lower positioning barrel is identical to the diameter of an injector, a first limiting block is fixedly connected to the lower end of the inner wall of the upper positioning barrel, a second limiting block is fixedly connected to the upper end of the outer wall of the lower positioning barrel before injection, the laser positioning lamp is turned on the arm of a patient below in an irradiated mode as a reference, and the height of the upper positioning barrel is adjusted by means of the laser positioning lamp, The vertical position and the horizontal position until a proper injection point is found, then the positioning frame is removed, the injector is placed into the upper positioning barrel and the lower positioning barrel, and accurate injection can be carried out by means of the righting effect of the lower positioning barrel.
The device is characterized in that a fixing groove is arranged in the middle of the base, a rubber air bag is fixedly connected to the inner surface of the fixing groove, a plurality of inflating columns are fixedly connected to the inner surface of the rubber air bag, filling sponge is filled in the rubber air bag on the outer sides of the inflating columns, the inflating columns can play a role in supporting and massaging, an electric heating layer is fixedly connected to the surface of the rubber air bag and generates heat through heating wires, the comfort level of the device during use is improved, an inflator pump is fixedly connected to the right side wall inside the base and is connected with the inflating columns in the rubber air bag through rubber hoses and is provided with an air inlet hole on the right side wall of the base so as to inflate the rubber air bag and the inflating columns, an external power supply is electrically connected with the electric heating layer and the inflator pump to supply power to the electric heating layer and the inflator pump, the cross sections of the upper fixing frame are semicircular and two in total, the upper fixing frame is respectively arranged on the front side and the back side above the base and can be used with the base to fix the arms of a patient from the front side and the back side, a sponge layer is fixedly connected on the inner surface of the upper fixing frame to improve the comfort level of the device when in use, two sides of the upper fixing frame are fixedly connected with a fixed block, the lower end surface of the fixed block is fixedly connected with a fixed rod, the outer end surface of the fixed rod is fixedly connected with a first rack, the first rack is meshed with a second gear, the second gear is connected inside the base through a first connecting shaft, the lower part of the front end surface of the base is inserted with a rotating rod, the front end of the rotating rod is fixedly connected with a rotating handle in front of the base, the rear end of the rotating rod is connected on the rear end surface inside the base through a bearing, a torsion spring is sleeved outside the rear end of the rotating rod, the front end of the torsion spring is fixedly connected on the rotating rod, the rear end of the torsion spring is fixedly connected on the rear side wall inside the base, the rotating rod is fixedly connected with a first gear at a position below the upper fixing frame, the rear side above the first gear is meshed with a first tooth rod, and the front side below is meshed with a second tooth rod, the first tooth bar is inserted in the first fixed bar, the first fixed bar is fixedly connected on the right side wall inside the base, the second tooth bar is inserted in the second fixed bar, the second fixed bar is fixedly connected on the left side wall inside the base, the first supporting bar is fixedly connected above the left end of the first tooth bar, the second supporting bar is fixedly connected above the right end of the second tooth bar, the second supporting bar is bent backwards above the first fixed bar, the right end surface of the upper part of the first supporting bar and the left end surface of the second supporting bar are fixedly connected with the second rack, the second rack is meshed with the second gear, the rotating bar is rotated anticlockwise to drive the first gear to rotate anticlockwise, so that the first tooth bar moves leftwards, the second tooth bar moves rightwards, and at the moment, the second racks on the first supporting bar and the second supporting bar are separated from the second gear, the second gear can free rotation, insert the pedestal with the dead lever of upper mounting bracket both sides this moment in, because the second gear can rotate, then the upper mounting bracket can free insertion, patient places the arm in the fixed slot, rely on the upper mounting bracket to press from both sides tightly, loosen the bull stick, the bull stick rotates clockwise under the torsion spring effect and resets, make first tooth pole remove right, second tooth pole removes left, second rack on first bracing piece and the second bracing piece meshes with the second gear once more this moment, the second gear is not rotatable, then the dead lever position is locked, the upper mounting bracket can't remove, make patient's arm pressed from both sides tightly.
The first height adjusting rod and the second height adjusting rod are fixed between the two upper fixing frames on the left side and the right side of the upper end face of the base.
Furthermore, an observation window is arranged on the side wall of the lower positioning cylinder, and scale marks are drawn on the observation window so as to observe the injection depth of the injector.
Further, the bottom wall of the lower positioning barrel is fixedly connected with a silica gel layer, and the lower positioning barrel directly supports against the arm of the patient when in use, so that the silica gel layer can reduce the discomfort of the patient.
Furthermore, the upper end of the electric heating layer and the lower end of the sponge layer are fixedly connected with disposable disinfection covers, so that the device is more sanitary due to the convenience of replacement and disinfection.
The invention has the beneficial effects that: the fixing device is reasonable in structural design, the arms of a patient can be fixedly clamped by the fixing grooves and the upper fixing frame, the fixing device is convenient to use, and the injection deviation of the patient caused by arm movement during injection is prevented; before the injection, rely on laser positioning lamp to shine and can adjust positioner's height, longitudinal position and horizontal position as the reference on patient's arm in the below, until finding suitable injection point, remove the locating rack afterwards, put into an upper positioning section of thick bamboo and a lower positioning section of thick bamboo with the syringe, rely on the rightting effect of a lower positioning section of thick bamboo to carry out the accuracy injection, its injection precision improves greatly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the internal structure of the base of the present invention.
FIG. 3 is a schematic cross-sectional view of the internal structure of the upper portion of the base according to the present invention.
Fig. 4 is a top view of the upper positioning cylinder of the present invention.
Fig. 5 is a top view of the internal structure of the base of the present invention.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 5.
As shown in figures 1-5, the invention comprises a base 1, an external power supply 8, an upper fixing frame 9, an upper positioning cylinder 45 and a positioning frame 48, wherein a fixing groove 2 is arranged in the middle of the base 1, a rubber air bag 3 is fixedly connected to the inner surface of the fixing groove 2, a plurality of inflating columns 3-1 are fixedly connected to the inner side of the rubber air bag 3, filling sponges 3-2 are filled in the rubber air bag 3 at the outer sides of the inflating columns 3-1, the inflating columns 3-1 can play a role in supporting and massaging, an electric heating layer 4 is fixedly connected to the surface of the rubber air bag 3, the electric heating layer 4 heats through electric heating wires, the comfort level of the device during use is improved, an inflating pump 5 is fixedly connected to the right side wall in the base 1, the inflating pump 5 is connected with the inflating columns 3-1 in the rubber air bag 3 through a rubber hose 6, and an air inlet 7 is arranged on the right side wall of the base 1 so as to inflate the rubber air bag 3 and the inflating columns 3-1, the external power supply 8 is electrically connected with the electric heating layer 4 and the inflator pump 5 to supply power to the electric heating layer 4 and the inflator pump 5, the upper fixing frame 9 has a semicircular cross section and two in total, the two cross sections are respectively positioned at the front side and the rear side above the base 1 and are matched with the base 1 for use, the arms of a patient can be fixed at the front side and the rear side, the inner surface of the upper fixing frame 9 is fixedly connected with a sponge layer 10 to improve the comfort level of the device in use, the two sides of the upper fixing frame 9 are fixedly connected with fixing blocks 11, the lower end surface of each fixing block 11 is fixedly connected with a fixing rod 12, the outer end surface of each fixing rod 12 is fixedly connected with a first rack 13, the first rack 13 is meshed with a second gear 14, the second gear 14 is connected inside the base 1 through a first connecting shaft 15, the lower part of the front end surface of the base 1 is inserted with a rotating rod 16, the front end of the rotating rod 16 is fixedly connected with a rotating handle 16-1 in front of the base 1, the rear end of the rotating rod 16 is connected with the rear end surface inside the base 1 through a bearing 17, the torsion spring 18 is sleeved outside the rear end of the rotating rod 16, the front end of the torsion spring 18 is fixedly connected with the rotating rod 16, the rear end of the torsion spring is fixedly connected with the rear side wall inside the base 1, the rotating rod 16 is fixedly connected with a first gear 19 at the position corresponding to the lower part of the upper fixing frame 9, a first tooth rod 20-1 is engaged with the rear side above the first gear 19, a second tooth rod 20-2 is engaged with the front side below the first tooth rod 20-1, the first tooth rod 20-1 is inserted into the first fixing rod 21-1, the first fixing rod 21-1 is fixedly connected with the right side wall inside the base 1, the second tooth rod 20-2 is inserted into the second fixing rod 21-2, the second fixing rod 21-2 is fixedly connected with the left side wall inside the base 1, a first supporting rod 22-1 is fixedly connected with the upper part of the left end of the first tooth rod 20-1, a second support rod 22-2 is fixedly connected above the right end of the second rack bar 20-2, the second support rod 22-2 is bent backwards at a position higher than the first fixed rod 21-1, a second rack 23 is fixedly connected on the right end surface of the upper part of the first support rod 22-1 and the left end surface of the second support rod 22-2, the second rack 23 is meshed with the second gear 14, the rotating rod 16 is rotated anticlockwise to enable the rotating rod 16 to drive the first gear 19 to rotate anticlockwise, so that the first rack bar 20-1 moves leftwards and the second rack bar 20-2 moves rightwards, at the moment, the second racks 23 on the first support rod 22-1 and the second support rod 22-2 are separated from the second gear 14, the second gear 14 can rotate freely, at the moment, the fixed rods 12 at two sides of the upper fixed frame 9 are inserted into the base 1, and the second gear 14 can rotate, the upper fixing frame 9 can be freely inserted, the arm of a patient is placed in the fixing groove 2 and clamped by the upper fixing frame 9, the rotating rod 16 is loosened, the rotating rod 16 is rotated and reset clockwise under the action of the torsion spring 18, so that the first tooth rod 20-1 moves rightwards, the second tooth rod 20-2 moves leftwards, at the moment, the second racks 23 on the first supporting rod 22-1 and the second supporting rod 22-2 are meshed with the second gear 14 again, the second gear 14 cannot rotate, the position of the fixing rod 12 is locked, the upper fixing frame 9 cannot move, and the arm of the patient is clamped;
a first height adjusting rod 24 and a second height adjusting rod 27 are fixedly connected between the two upper fixing frames 9 at the left and right sides of the upper end surface of the base 1, a rotating ring 25 is clamped at the top end of the first height adjusting rod 24, a clamping groove 25-1 with a T-shaped section is arranged at the lower end surface of the rotating ring 25, a clamping block 24-1 matched with the clamping groove 25-1 is fixedly connected at the top end of the first height adjusting rod 24 to prevent the rotating ring 25 from being separated, a third height adjusting rod 26 is inserted in the first height adjusting rod 24, the third height adjusting rod 26 is a threaded rod and is in threaded connection with the rotating ring 25, a fourth height adjusting rod 28 is inserted in the second height adjusting rod 27, a first locking knob 29 is arranged on the third height adjusting rod 26, the position of the third height adjusting rod 26 can be adjusted by rotating the rotating ring 25, and the third height adjusting rod 26 is fixed by means of thread self-locking function, the fourth height adjustment bar 28, which can be kept moving synchronously with the third height adjustment bar 26, is fastened by means of a first locking knob 29; a first support frame 30 is fixedly connected to the top end of the third height adjusting rod 26, a second support frame 39 is fixedly connected to the top end of the fourth height adjusting rod 28, a longitudinal adjusting rod 31 is inserted into the front end of the first support frame 30, the first support frame 30 is hollow and provided with a through groove 30-1 at the upper end, a sleeve 32 is sleeved on the longitudinal adjusting rod 31 in the first support frame 30 through threads, a third support rod 33 penetrating through the through groove 30-1 is fixedly connected to the upper portion of the sleeve 32, a transverse first connecting rod 34 is fixedly connected to the top end of the third support rod 33, a longitudinal second connecting rod 35 is fixedly connected to the right end of the first connecting rod 34, two adjusting cross rods 38 are fixedly connected to the right sides of the front and rear ends of the second connecting rod 35, a third connecting rod 36 is fixedly connected to the right ends of the front and rear adjusting cross rods 38, a fourth connecting rod 37 is fixedly connected to the right end of the middle portion of the third connecting rod 36, and the longitudinal adjusting rod 31 is rotated, the sleeve 32 can be driven to move back and forth, so as to adjust the front and back position of the positioning device, a sliding groove 39-1 is arranged above the second support frame 39, a third rack 40 is fixedly connected to the right end surface in the sliding groove 39-1, a cavity 37-1 is reserved at the lower part of the right end of the fourth connecting rod 37, a locking rod 41 is hinged in the cavity 37-1, a supporting spring 42 is fixedly connected to the left side of the upper end of the locking rod 41, the left end of the supporting spring 42 is fixedly connected to the left side wall in the cavity 37-1, a top rod 43 is connected to the right end of the fourth connecting rod 37 through a thread, a rack seat 44-1 is fixedly connected to the right end surface below the locking rod 41, a fourth rack 44 is fixedly connected to the rack seat 44, the third rack 40 and the fourth rack 44 are matched, and under the normal state, the supporting spring 42 is influenced by the locking rod 41, the lower end of the locking rod deviates to the left, so that the third rack 40 and the fourth rack 44 are separated, at the moment, the movement of the fourth connecting rod 37 is not affected, when the positioning device is moved to a proper position, the ejector rod 43 is rotated to enable the ejector rod 43 to move leftwards, the top end of the locking rod 41 is pushed to rotate leftwards, the lower end of the locking rod 41 can rotate rightwards, the third rack 40 is meshed with the fourth rack 44, the fourth connecting rod 37 cannot move, the front longitudinal position and the rear longitudinal position of the device are fixed, the front side and the rear side of the upper positioning cylinder 45 are fixedly connected with sliding cylinders 46, the sliding cylinders 46 are sleeved on the adjusting cross rod 38, the sliding cylinders 46 are in threaded connection with second locking knobs 47, the upper positioning cylinder 45 can move leftwards and rightwards by means of the sliding cylinders 46, so that the transverse horizontal position of the upper positioning cylinder is changed, meanwhile, the upper positioning cylinder 45 is fixed by means of the second locking knobs 47, four positioning grooves 45-1 are arranged at four corners of the top end of the upper positioning cylinder 45, the positioning frame 48 is in a cross shape and is clamped in the positioning grooves 45-1, and a laser positioning lamp 49 is fixedly connected in the center of the positioning frame 48, the lower positioning barrel 50 is inserted into the upper positioning barrel 45, the inner diameter of the lower positioning barrel 50 is the same as the diameter of the injector, the lower end of the inner wall of the upper positioning barrel 45 is fixedly connected with a first limiting block 45-2, the upper end of the outer wall of the lower positioning barrel 50 is fixedly connected with a second limiting block 50-1, before injection, the positioning frame 48 is clamped on the upper positioning barrel 45, the laser positioning lamp 49 is started, the height, the longitudinal position and the transverse position of the upper positioning barrel 45 are adjusted by irradiating the laser positioning lamp 49 on the arm of a patient below as reference until a proper injection point is found, then the positioning frame 48 is removed, the injector is placed into the upper positioning barrel 45 and the lower positioning barrel 50, and accurate injection can be carried out by means of the righting effect of the lower positioning barrel 50.
In this embodiment, the side wall of the lower positioning barrel 50 is provided with an observation window 51, and the observation window 51 is provided with scale lines 52 so as to observe the injection depth of the injector.
In this embodiment, the bottom wall of the lower positioning tube 50 is fixedly connected with a silica gel layer 53, and the lower positioning tube 50 directly abuts against the arm of the patient when in use, so that the silica gel layer 53 can reduce the discomfort of the patient.
In this embodiment, the upper end of the electric heating layer 4 and the lower end of the sponge layer 10 are fixedly connected with a disposable disinfection cover sleeve 54, so as to facilitate the replacement and disinfection, and make the device more sanitary.
When the arm fixing device is used, the arm of a patient is placed in the fixing groove 2, the rotating rod 16 is rotated anticlockwise, the second rack 23 is separated from the second gear 14, the fixing rods 12 on two sides of the upper fixing frame 9 are freely inserted into the base 1 until the arm of the patient is clamped, the rotating rod 16 is loosened, the rotating rod 16 rotates clockwise under the action of the torsion spring 18 to reset, the positions of the fixing rods 12 are locked, the upper fixing frame 9 cannot move, and the arm of the patient is clamped and fixed; rotating the rotary ring 25 to adjust the height of the upper positioning cylinder 45 and the lower positioning cylinder 50 to a proper position, and then tightening the first locking knob 29; clamping a positioning frame 48 on an upper positioning cylinder 45, starting a laser positioning lamp 49, rotating a longitudinal adjusting rod 31 by taking a point irradiated by the laser positioning lamp 49 on the arm of a patient as a reference to adjust the front and back position of the upper positioning cylinder 45, rotating an ejector rod 43 to enable the ejector rod 43 to move leftwards after the front and back position of the upper positioning cylinder 45 is adjusted, pushing the top end of a locking rod 41 to rotate leftwards so as to enable the lower end of the locking rod 41 to rotate rightwards, meshing a third rack 40 and a fourth rack 44 to fix the position of a fourth connecting rod 37, locking the current front and back position of the upper positioning cylinder 45, sliding the upper positioning cylinder 45 leftwards and rightwards by a sliding cylinder 46 to change the transverse horizontal position of the upper positioning cylinder, and meanwhile, fixing by a second locking knob 47; after the positioning device is adjusted and fixed, the positioning frame 48 is removed, and the syringe is placed in the upper positioning cylinder 45 and the lower positioning cylinder 50, and accurate injection can be performed by means of the righting effect of the lower positioning cylinder 50.