CN102293674B - Medical ligation injection therapeutic instrument - Google Patents
Medical ligation injection therapeutic instrument Download PDFInfo
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- CN102293674B CN102293674B CN2011101708199A CN201110170819A CN102293674B CN 102293674 B CN102293674 B CN 102293674B CN 2011101708199 A CN2011101708199 A CN 2011101708199A CN 201110170819 A CN201110170819 A CN 201110170819A CN 102293674 B CN102293674 B CN 102293674B
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- sucker
- piston
- cylinder
- therapeutic instrument
- matches
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- 230000001225 therapeutic effect Effects 0.000 title claims abstract description 29
- 238000002347 injection Methods 0.000 title claims abstract description 17
- 239000007924 injection Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims abstract description 11
- 229920001971 elastomer Polymers 0.000 claims description 36
- 239000005060 rubber Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 22
- 230000033001 locomotion Effects 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 5
- 201000010099 disease Diseases 0.000 description 5
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 210000003800 pharynx Anatomy 0.000 description 3
- 238000002560 therapeutic procedure Methods 0.000 description 3
- 241000252254 Catostomidae Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000014617 hemorrhoid Diseases 0.000 description 2
- 210000001584 soft palate Anatomy 0.000 description 2
- 210000004727 amygdala Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 210000002741 palatine tonsil Anatomy 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
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Abstract
The invention provides a medical ligation injection therapeutic instrument. The instrument comprises a shell, an adsorption part, a ring push part and a drive mechanism, wherein the adsorption part comprises a sucker, a cylinder, a piston and an air suction pipe; the ring push part comprises a push sleeve and a push pipe; the drive mechanism comprises a trigger and a composite gear which is matched with the trigger and drives the piston and the push pipe to move; and a piston cavity is arranged inside the cylinder. The instrument is characterized in that: the area of the round cross section of the piston cavity is gradually reduced from one end connected with the air suction pipe to the other end; and suspension ribs are arranged on the outer surface of the sucker. While the sealing performance between the piston and the inner wall of the cylinder is ensured, the friction force between a seal ring and the inner wall of the cylinder is reduced, so that the instrument is lighter and more convenient to use; and the position on the piston matched with the seal ring is set to be of a conical shape, thus, while the sealing performance and the reduction of the friction force are further ensured, the requirement on the size of the seal ring is reduced, so that most seal rings in a batch are in accordance with the use requirement.
Description
Technical field
The present invention relates to a kind of medical notes cover therapeutic instrument, in particular, relate in particular to the medical notes cover therapeutic instrument that a kind of plunger shaft adopts conical structure.
Background technology
Medical sucking and filling instrument is as a kind of medical treatment instrument easy to use, and it mainly uses treatment of hemorrhoid.The patent No. is that CN200520081522.5, denomination of invention are the patent of invention file of medical multipotency sucking and filling instrument; And the patent No. is that CN200920030932.5, denomination of invention also are the patent document of medical multipotency sucking and filling instrument; All the structure to medical sucking and filling instrument discloses, its improvement respectively set up illuminator be provided with can more than a plurality of covers structure of pricking cushion rubbers.In the process of using, also there are many shortcomings in the disclosed medical sucking and filling instrument of these two patented technology files; One of which, being sealed and matched of cylinder and piston is not easy to realize; In order to guarantee the sealing between piston and the cylinder, just must make interference fit to cylinder and piston, could guarantee that piston in the process of motion backward, can produce vacuum, and through suction nozzle and sucker therapentic part adsorbed in cylinder.Adopted the mode of interference fit,, must apply bigger active force to piston rod though guaranteed sealing; Could guarantee that piston moves backward; If women doctor uses the medical sucking and filling instrument of this structure, particularly when carrying out enclosing continuously the cover bundle, be not to use ten minutes painstakingly more; Be exactly to order about piston and cushion rubber moves simultaneously at all, cause very big obstacle for the application and the popularization of sucking and filling instrument.Also have, want to guarantee to form between piston and the cylinder appropriateness cooperates (not being interference fit) and piston can be in cylinder light motion and air tight, this just needs the dimensional requirement of the sealing ring on piston harshness very; In the production process of reality; Leaning on the production work personnel to be assembled to sealing ring on the piston also realizes one by one; This has not only reduced production efficiency, and meets the few of dimensional requirement in a collection of sealing ring, has caused the significant wastage to sealing ring.
They are two years old; In the process that above-mentioned medical sucking and filling instrument uses, its work process is absorption, administration and goes up cover and prick cushion rubber that absorption is to lean on the motion of piston to realize; Administration realizes through needle holder, and last cover is pricked cushion rubber and promoted reliably that being moved further of tooth bar realize.In order to guarantee therapeutic effect, generally be when piston moves to 2/3 left and right sides of plunger shaft, to carry out administration, but in the operating process of reality, hold the move distance of piston is very difficult, delivery time situation improperly very easily appears.Its three, disclosed medical sucking and filling instrument disposable completion multiple spot drug treatment simultaneously is inconvenient to use in many treatment occasions in the above-mentioned file.For example, when again the tonsil of human body or soft palate being treated, need carry out disposable multiple spot administration, but according to above disclosed sucker structure can't realize.
At last, in the use of reality, above disclosed two kinds of medical sucking and filling instruments, relatively rotating between suction nozzle and the cylinder also appears easily, gas leak phenomenon takes place; Also occur cylinder easily in the intravital rotational problems of shell, these all can influence the normal use of sucking and filling instrument, the service life of having reduced sucking and filling instrument.
Because it is less that cover is pricked the size of cushion rubber; With on it to the bigger sucker of relative size being difficulty very; The patent No. is that CN201110026886.3, denomination of invention are that " a kind of cover is pricked cushion rubber and used the reamer device " and the patent No. are that CN201110026860.9, denomination of invention are pricked reamer device and the last circle device that cushion rubber installs to the sucker outer surface for " a kind of cover that matches with the reamer device is pricked on the cushion rubber and enclosed device " discloses to overlap; But in the use of reality, find; Owing to just on the outer surface of reamer device, ribs is set; The circle device is mated in the process of circle on utilizing, and expansion link and cover on the circle device very easily occur going up and pricks cushion rubber and want the phenomenon that breaks away to cause circle to be failed.
Summary of the invention
The present invention provides a kind of plunger shaft to adopt the medical notes cover therapeutic instrument of conical structure in order to overcome the shortcoming of above-mentioned technical problem.
Medical notes cover therapeutic instrument of the present invention comprises housing, adsorption element, pushes away coil component and driving mechanism, and said adsorption element comprises sucker, is fixed in the cylinder on the housing, the suction nozzle that is arranged at the piston in the cylinder and is communicated with cylinder and sucker; The said coil component that pushes away comprises the pushing sleeve that is arranged at the sucker outer surface and is used to drive the ejector sleeve that pushing sleeve moves; Said driving mechanism comprises trigger and matches to merge with trigger orders about the built-up gear that piston and ejector sleeve move; The inside of said cylinder is plunger shaft, and its special feature is: the cross section of said plunger shaft is for circular, and the cross-sectional area of plunger shaft is reduced by the end to end that is connected with suction nozzle gradually.Housing mainly plays a supportive role, and adsorption element is used for to being adsorbed by therapentic part, so that it is overlapped bundle; Push away coil component and be used for the absorption tissue that grip is pricked on the cushion rubber patient.Motion through built-up gear can drive piston in the adsorption element and the ejector sleeve that pushes away in the coil component, realizes corresponding absorption and goes up the circle action.Plunger shaft adopts conical by its shape, has both guaranteed the sealing between the piston and cylinder inner wall in the process that piston moves backward, has also reduced the frictional force between piston and the cylinder inner wall effectively, also more convenient use the when guaranteeing therapeutic effect.
Medical notes cover therapeutic instrument of the present invention; The preceding catch that said piston comprises tapered portion, be fixed in the tapered portion two ends and back catch, the piston rod that is arranged at the peripheral sealing ring of tapered portion and is fixedly connected with preceding catch or back catch, the cross-sectional area of said tapered portion is increased by the end to end near piston rod gradually.When plunger shaft adopts conical by its shape; Conical by its shape is also adopted at the position of matching with sealing ring on the piston; When piston to away from an end motion of suction nozzle the time, sealing ring just moves to the maximum gauge place of tapered portion, realizes the excellent sealing between piston and the cylinder inner wall.When piston by away from suction nozzle when moving near suction nozzle, sealing ring just moves to the minimum diameter place of tapered portion, has reduced the frictional force between sealing ring and the cylinder inner wall effectively.
Medical notes cover therapeutic instrument of the present invention, said plunger shaft is the taper truncated conical shape, and its tapering is between 0.001～0.5; The tapering of said tapered portion is between 0.001～0.3.Plunger shaft adopts the numerical value of tapering between 0.001～0.5, can realize good sealing function; Tapered portion adopts the numerical value of tapering between 0.001～0.3, also can realization and the good fit effect of sealing ring and plunger shaft.
Medical notes cover therapeutic instrument of the present invention; Also be provided with the administration indicating device that can detect on the said housing to the movement position of piston; This administration indicating device comprises power supply, be arranged at the display lamp on the housing and can carry out the contact that contacts of closed and disconnected when resetting in the trigger motion, is connected to the two ends of power supply after said contact contact and display lamp are in series.In the process that the patient is treated, for example to treatment of hemorrhoid, should adsorb the affected part earlier, cushion rubber is overlapped in administration more at last; Generally speaking, moving to three of stroke/two an o'clock administration at piston is advisable.Yet in the use of reality, doctors are difficult to hold the best opportunity of administration, and then influence therapeutic effect.Be provided with after the administration indicating device, just can the movement travel of piston be shown accurately, after piston moves to the position that needs administration, can remind the healthcare givers to carry out administration, use convenient.
Medical notes cover therapeutic instrument of the present invention; Said contact contact comprises contact spring and back-moving spring; Said back-moving spring comprises spring left side contravention and the right contravention of spring, and said contact spring is connected with a utmost point of power supply, and said spring left side contravention is connected with another utmost point of power supply; Said contact spring be arranged in the process of trigger motion can with the contacted position of the right contravention of spring.Utilization is arranged on back-moving spring on the housing as the part of contact contact, makes an end of back-moving spring be connected with a certain utmost point of power supply, and the other end contacts with contact spring in the process that compound gear moves, and then has realized the warning indicative function.Warning function when moving to diverse location through changing the position of contact spring, can being implemented in piston.
Medical notes cover therapeutic instrument of the present invention; Said sucker is the tubular structure of an end opening; And the end face of sucker is provided with screwed hole that matches with suction nozzle and the injection orifice that matches with needle holder, and the axis direction of the outer surface upper edge sucker of said sucker is evenly distributed with some suspension ribs.In the use of reality, when the cover on the smooth outer surface that is arranged on sucker with the pushing sleeve promotion was pricked the cushion rubber motion, because cushion rubber contacts with the complete of chuck surface, the frictional force between it was very big, and the generation cover is pricked cushion rubber and pushed away motionless situation easily; On the outer surface of sucker, be provided with after the suspension rib, just reduced cover greatly and pricked the frictional force between cushion rubber and the sucker, very be easy to realize cover is pricked the promotion of cushion rubber.
Medical notes cover therapeutic instrument of the present invention; Also comprising matches with sucker be used for grip prick on the cushion rubber reamer device on the sucker outer surface and match with the reamer device go up the circle device; Said reamer device is provided with some and is used for cover bundle cushion rubber is played the ribs of suspension effect and is arranged at the gathering sill between the ribs, and said gathering sill is depressed in the outer surface of reamer device; The said circle device of going up is provided with expansion link, and expansion link is provided with the convexity that matches with gathering sill; The quantity of said gathering sill and expansion link is more than three or three.。If the reamer device only is provided with ribs, and gathering sill is not set, use the circle device on sucker, overlap in the process of cushion rubber, the situation that cushion rubber and last circle device are separated very easily appears; Be provided with after the gathering sill, just avoided cover to prick cushion rubber effectively and come off from last circle device.
Medical notes cover therapeutic instrument of the present invention; Said sucker is that the cross section of an end opening and internal cavities is oval-shaped cylindrical body, at least two injection auxiliary bodies that the end face of said sucker is provided with the screwed hole that matches with suction nozzle and protrudes in the sucker end face.Adopting cross section is ellipse and the sucker that is provided with a plurality of injection auxiliary bodies, can be used for the treatment of human body disease of pharynx, carries out administration through the injection auxiliary body, more convenient to use.
Medical notes cover therapeutic instrument of the present invention; Also comprise the syringe fixture; This fixture comprises holder that is arranged on the housing and the fixed mount group that matches with holder; Said holder is arranged on the left side of housing or/and the right side, and said fixed mount group is provided with two or more U-shaped draw-in grooves that syringe is positioned of being used for.The fixing fixture used of syringe can be arranged on any side of housing, also can all be provided with in both sides, so that look after the treatment personnel of left hander, it also can be used easily.
Medical notes cover therapeutic instrument of the present invention, said cylinder is provided with alignment pin, and said housing is provided with and is used for alignment pin is carried out spacing locating slot; One end of said suction nozzle is the cross termination, and the end face of said cylinder is provided with the cross locating hole that matches with the cross termination.In the process of using, be used for being screwed to suction nozzle to sucker through regular meeting, of long duration will cause cylinder in housing, to rotate, through cooperating of alignment pin and locating slot, can realize location to cylinder, prevented the rotation of cylinder effectively.In the process that is screwed to sucker on the suction nozzle, can make also to relatively rotate between suction nozzle and the cylinder that the form that adopts the cross termination to match with the cross locating hole has been avoided rotation and gas leakage between suction nozzle and the cylinder effectively.
The invention has the beneficial effects as follows: the cross-sectional area of medical sucking and filling instrument of the present invention through plunger shaft is set to the conical by its shape that reduced gradually by end to end; Guaranteed the sealing between the piston and cylinder inner wall in to patient affected part adsorption process effectively; Also reduce the frictional force between sealing ring and the cylinder inner wall simultaneously, when improving therapeutic effect, made things convenient for use.The position of matching with sealing ring on the piston also is set to cone shape, when further having guaranteed sealing and having reduced frictional force, has also reduced the dimensional requirement to sealing ring, and major part all meets instructions for use in the feasible sealing ring in batches.The present invention also is provided with the administration indicating device, has realized when piston moves to desired location, produces a signal that carries out the administration prompting to the doctor, has guaranteed the success of each therapeutic process; Among the present invention the outer surface of sucker is provided with the suspension rib, has reduced cover and has pricked the frictional force between cushion rubber and the sucker, makes more laborsaving when pushing away many cushion rubbers.The present invention also improves the structure of reamer device and last circle device, and the reamer device is provided with some gathering sills, has guaranteed the convenience and the stability of last circle effectively.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the structural representation of cylinder among the present invention and piston portion;
Fig. 3 is the circuit theory diagrams of administration indicating device among the present invention;
Fig. 4 is a local structure for amplifying sketch map of the present invention;
Fig. 5 is the front view of first kind of sucker among the present invention;
Fig. 6 is the vertical view of first kind of sucker among the present invention;
Fig. 7 is the axonometric chart of first kind of sucker among the present invention;
Fig. 8 is the front view of reamer among the present invention;
Fig. 9 is the left view of reamer among the present invention;
Figure 10 is for going up the structural representation of circle device among the present invention;
Figure 11 is the front view of second kind of sucker among the present invention;
Figure 12 is the rearview of second kind of sucker among the present invention;
Figure 13 is the axonometric chart of second kind of sucker among the present invention;
Figure 14 is the structural representation of cylinder end among the present invention;
Figure 15 is the partial structurtes sketch map of middle shell of the present invention;
Figure 16 is the partial structurtes sketch map of middle shell of the present invention;
Figure 17 is the structural representation of fixed mount group among the present invention.
Among the figure: 1 cover is pricked cushion rubber, 2 suckers, 3 suction nozzles, 4 plastic casing-pipes, 5 ejector sleeves, 6 drive end bearing brackets, 7 pistons, 8 cylinders, 9 guide rails; 10 built-up gears, 11 housings, 12 power supplys, 13 triggers, 14 back-moving springs, 15 tooth bar push rods, 16 light emitting diodes, 17 needle holder; 18 pushing sleeves, 19 on and off switch, 20 piston rods, 21 contact springs, 22 plunger shaft, 23 suspension ribs, 24 sealing rings, 25 preceding catch; 26 back catch, 27 display lamps, 28 springs left side contravention, the right contravention of 29 springs, 30 screwed holes, 31 injection orifices, 32 reamer devices, 33 gathering sills; 34 Embedded Divisions enclose device on 35,36 expansion links, 37 convexities, 38 pharyngeal suckers, 39 tapered portion, 40 ribs, 41 injection auxiliary bodies; 42 cross terminations, 43 cross locating holes, 44 stomidiums, 45 alignment pins, 46 holders, 47 locating slots, 48 fixed mount groups, 49 U-shaped draw-in grooves.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Like Fig. 1 and shown in Figure 4, provided structural representation of the present invention and local structure for amplifying sketch map respectively, shown of the present invention medical sucking and filling instrument comprises housing 11, drive end bearing bracket 6; Sucker 2, suction nozzle 3, cylinder 8, piston 7, piston rod 20, guide rail 9; Pushing sleeve 18, plastic casing-pipe 4, ejector sleeve 5, tooth bar push rod 15; Trigger 13, built-up gear 10, back-moving spring 14; Power supply 12, on and off switch 19, contact spring 21, display lamp 27, light emitting diode 16; Shown housing 11 is a handgun shape, so that user holds it; Light emitting diode 16 is arranged on the drive end bearing bracket 6, is connected the back with power supply and realizes by the illumination of therapentic part.Constituted the adsorption element among the present invention by sucker 2, suction nozzle 3, cylinder 8, piston 7 and piston rod, cylinder 8 is fixed on the housing 11, and its inside is plunger shaft 22; Piston 7 is fixedly connected with piston rod 20, and piston rod 20 is provided with the section of rack that can be meshed with built-up gear; Guide rail 9 is realized guiding and driving action to piston rod 20 respectively with built-up gear 10; Sucker 2 is the cylindrical cavity of an end opening, and suction nozzle 3 is communicated in the internal cavities of plunger shaft 22 and sucker 2, like this, in the process of piston 7 motions, can produce adsorption through 2 pairs of affected parts of suction nozzle 3 and sucker.For the ease of to by the therapentic part injectable drug, also be provided with the needle holder 17 that matches with syringe on the sucker 2.The healthcare givers carries out administration for ease, on the outer surface of housing 11, also is provided with because the fixing holder of syringe.
Formed by pushing sleeve 18, plastic casing-pipe 4, ejector sleeve 5 and tooth bar push rod 15 and to have pushed away coil component; One end of pushing sleeve 18 is arranged on the outer surface of sucker 2, and the other end is arranged on the outer surface of suction nozzle 3, and ejector sleeve is enclosed within on the outer surface of suction nozzle 3; Plastic casing-pipe 4 is used to connect pushing sleeve 18 and ejector sleeve 5; In the time of so just guaranteeing that ejector sleeve 5 can move along the direction of suction nozzle 3, can promote pushing sleeve 18 motions, and then promotion cover bundle cushion rubber 1 is gone up circle.Formed driving mechanism by trigger 13, built-up gear 10 and back-moving spring 14, trigger 13 is rotatably fixed on the housing 11 through fixed axis, and back-moving spring 14 is arranged on the fixed axis of trigger 13, is used to realize resetting of trigger; Trigger 13 is meshed with built-up gear 10 through the sector part, and built-up gear 10 also is meshed with tooth bar push rod 15 and piston rod 20.In the process of cocking 13, just can drive tooth bar push rod 15 and piston rod 20 motions like this, and then realize absorption and cover bundle function through built-up gear 10.
By the cylinder shown in Figure 2 and the structural representation of piston portion, the inside of cylinder 8 is plunger shaft 22 among the present invention; The cross section of plunger shaft 22 is circular, and the cross-sectional area of plunger shaft 22 reduces by the end to end that is connected with suction nozzle 3 gradually, and what so just make plunger shaft 22 is shaped as the bullet shape.Plunger shaft 22 adopts this structure, and when piston 7 was positioned at the end near suction nozzle 3, the frictional force between the inwall of piston 7 and cylinder 8 was less; When piston 7 was positioned at the end away from suction nozzle 3, the frictional force between the inwall of piston 7 and cylinder 8 was bigger, was beneficial to realize good sealing effectiveness.Like this; When having guaranteed to have excellent sealing property between piston 7 and the cylinder 8, also reduced the frictional force between the piston 7 and cylinder inner wall in most of stroke effectively, help more using; Especially for the women healthcare givers, avoided the generation of the motionless situation of trigger 13 buttons.
As shown in Figure 2, in order further to realize cooperating between piston 7 and the cylinder 8, shown piston 7 is by preceding catch 25, afterwards catch 26, tapered portion 39 and sealing ring 24 are formed; Between catch 25 and the back catch 26, sealing ring 24 was arranged on the periphery of tapered portion 39, realizes sealing function before tapered portion 39 was arranged on.Back catch is fixedly connected with piston rod 20; In order to guarantee that the normal of piston 7 moves, the diameter of preceding catch 25 and back catch 26 should be all less than the minima of plunger shaft 22 cross-sectional areas.The cross section of tapered portion 39 is circular, and is reduced gradually by preceding catch 25 area of cross section on the direction of back catch 26.Tapered portion 39 adopts such structure; In the process of piston 7 by left end end motion to the right, sealing ring 24 just moves to the high order end of bullet under function of friction, has promptly moved to tapered portion 39 cross-sectional area maximum position places; This moment, the external diameter of sealing ring 24 reached maximum; And the pyramidal structure in fitting piston chamber 22, guaranteed piston 7 and cylinder 8 inwalls excellent sealing property, help realizing adsorption to the patient affected part.When piston 7 by right-hand member in the process that left end moves, sealing ring 24 just moves to the low order end of tapered portion 39 and leans against on the catch 26 of back, this moment, the external diameter of sealing ring 24 reached minima, was beneficial to the return movement of realizing piston 7.The form that piston 7 adopts tapered portion 39 to match with sealing ring; Not only realized good sealing property; And importantly also reduced dimensional requirement to sealing ring 24, and to compare with original sucking and filling instrument, the size range of satisfactory sealing ring 24 is bigger; And then make with in a collection of sealing ring 24, nearly all meet dimensional requirement.
The tapering of taper truncated conical shape plunger shaft 22 is chosen between 0.001～0.5; The tapering of tapered portion 39 is between 0.001～0.3.As a kind of concrete size of use, the maximum of tapered portion 39 cross sections and minimum diameter can adopt 13.65mm and 13.33mm respectively, and the length of tapered portion 39 can adopt any number between 2.8～3.0mm; The external diameter of sealing ring 24 and internal diameter are respectively 18mm and 13.2mm.
Like Fig. 3 and shown in Figure 4, provided the schematic diagram and the partial enlarged drawing of the present invention of administration indicating device among the present invention respectively, shown administration indicating device comprises power supply 12, resistance R, display lamp 27, contact spring 21; Power supply 12 is arranged on the housing 11, and being used for provides electric energy to display lamp 27 and light emitting diode 16.Back-moving spring 14 comprises spring left side contravention 28 and the right contravention 29 of spring; Spring left side contravention 28 is connected with a certain utmost point of power supply; Another utmost point of power supply and resistance R be connected with contact spring 21 again after display lamp 27 is in series, like this, contact spring 21 has been formed with back-moving spring 14 and has been contacted the contact.In the process of cocking; The sector part can not only be ordered about tooth bar push rod 15 and piston rod 20 motions, but also can order about the right contravention 29 of spring to left movement, when moving to certain position; The right contravention 29 of spring will contact with contact spring 21; And then making administration indicating device loop be switched on, display lamp 27 is luminous, reminds operator to carry out administration., wanting to realize to carry out when piston 7 moves to diverse location alarm, can realize apart from the distance between the right contravention 29 of spring through changing contact spring 21.Through being provided with the administration indicating device, guaranteed carrying out smoothly of therapeutic process.
As shown in Figure 2; Shown cylinder 8 is provided with steady pin 45, and is shown in figure 16, and shown housing 11 is provided with the holddown groove 47 that matches with steady pin 45; In the process of assembling; Through being embedded into steady pin 45 in the holddown groove 47, realized position-limiting action to cylinder 8, prevented the rotation of cylinder 8 effectively.As shown in Figure 2, shown in suction nozzle 3 one ends be cross termination 42; Shown in figure 14; One end of cylinder 8 is provided with the stomidium 44 that matches with suction nozzle 3; Around stomidium 44, be provided with the cross locating hole 43 that matches with cross termination 42; Through being mounted to cross termination 42 in the cross locating hole 43, realized being fixedly connected of suction nozzle 3 and cylinder 8 effectively, prevented relatively rotating between suction nozzle 3 and the cylinder 8.
Figure 15 and Figure 16 have provided the partial structurtes sketch map of housing 11; Figure 17 has provided the structural representation of fixed mount group 48; Shown in the both sides of housing 11 be provided with holder 46; Holder 46 is used to realize fixing to fixed mount group 48, and fixed mount group 48 is provided with two or more U-shaped draw-in grooves 49 that are used for fixing syringe.Both sides at housing 11 all are provided with holder 46, are convenient to be accustomed to sinistral " left hander " healthcare givers and use.A plurality of U-shaped draw-in grooves 49 are set, can fix simultaneously, satisfied the demand of a multiple spot drug treatment a plurality of syringes; Amygdala and soft palate treatment of diseases.
Like Fig. 5, Fig. 6 and shown in Figure 7; Front view, vertical view and the axonometric chart of first kind of embodiment of sucker 2 have been provided respectively; Shown sucker 2 is that an end opening and inside are the cylindrical body of cavity; The end face of sucker 2 is provided with screwed hole 30 that is connected with suction nozzle 3 and the injection orifice 31 that matches with needle holder 17; The axis direction of sucker also is provided with some suspension ribs 23 in the outer surface upper edge of sucker 2, through the suspension rib is set, has reduced cover effectively and has pricked the frictional force between cushion rubber 1 and sucker 2 outer surfaces; Be more prone to utilize pushing sleeve 18 to overlap and prick cushion rubber 1 release.Like Figure 11, Figure 12 and shown in Figure 13; Front view, rearview and the axonometric chart of second kind of embodiment of sucker 2 have been provided respectively; Sucker in the present embodiment is used for the disease of pharynx of human body is treated, and need not overlap bundle, so suspension rib 23 is not set on the outer surface of sucker 2.The cross section of sucker 2 is oval, on the end face of sucker, not only is provided with the screwed hole 30 that is connected with suction nozzle 3, but also is provided with three injection auxiliary bodies 41 that protrude in end face; Injection auxiliary body 41 connects cavity extraneous and sucker 2; A plurality of injection auxiliary bodies are set help carrying out the injection of plurality of reagents.The shape and structure of sucker 2 is not limited to top disclosed two kinds of forms, and it can be chosen according to patient's treatment needs.
Like Fig. 8 and shown in Figure 9; Provided the front view and the left view of reamer device 32 respectively, disclosed structure is compared in the preceding document with it, not only is provided with ribs and Embedded Division 34 on the shown reamer device 32; And between ribs, also being provided with gathering sill 33, the quantity of gathering sill 33 is three.Shown in figure 10; Provided the structural representation of last circle device 35; On three expansion links 36 of last circle device, be provided with protruding 37, through protruding 37 with the cooperating of gathering sill 33, using circle device 35 and reamer device 32 on sucker during encapsulation bundle cushion rubber 1; Can effectively avoid cover to prick cushion rubber 1 and come off, improve each chance of success that goes up circle greatly from last circle device.
Concisely narrate the method for using of sucking and filling instrument of the present invention below:
At first, with on the reamer device 32 to sucker 2, grip is pricked the tip location place that cushion rubber 1 is enclosed within reamer device 32 again, utilizes to go up circle device 35 and will overlap on the bundle cushion rubber 1 to the outer surface of sucker 2 again; Realized last cushion rubber.
Then, hand housing 11, and the opening of sucker 2 is aimed at patient's affected part; Cocking 13 again, when display lamp 27 is bright, stop cocking 13, and give the patient injection medicine.
At last, treat that medicine injection finishes after, continue cocking 13, makes pushing sleeve 18 that the cover on the sucker 2 is pricked cushion rubber 1 and release, and cover pricks the site of disease patient, accomplish therapeutic process.
If the disease of pharynx of human body is treated, then sucker 2 adopts Figure 11, Figure 12 and second kind of embodiment shown in Figure 13, pricks cushion rubber and need not cover.
Claims (9)
1. medical notes overlap therapeutic instrument; Comprise housing (11), adsorption element, push away coil component and driving mechanism, said adsorption element comprises sucker (2), is fixed in the cylinder (8) on the housing, the suction nozzle (3) that is arranged at the piston (7) in the cylinder and is communicated with cylinder and sucker; The said coil component that pushes away comprises the pushing sleeve (18) that is arranged at the sucker outer surface and is used to drive the ejector sleeve (5) that pushing sleeve moves; Said driving mechanism comprises trigger (13) and matches to merge with trigger orders about the built-up gear (10) that piston and ejector sleeve move; The inside of said cylinder is plunger shaft (22), it is characterized in that: the cross section of said plunger shaft (22) is for circular, and the cross-sectional area of plunger shaft is reduced by the end to end that is connected with suction nozzle gradually; The preceding catch (25) that said piston (7) comprises tapered portion (39), be fixed in the tapered portion two ends and back catch (26), the piston rod (20) that is arranged at the peripheral sealing ring (24) of tapered portion and is fixedly connected with preceding catch or back catch, the cross-sectional area of said tapered portion is increased by the end to end near piston rod gradually.
2. medical notes cover therapeutic instrument according to claim 1, it is characterized in that: said plunger shaft (22) is the taper truncated conical shape, and its tapering is between 0.001～0.5; The tapering of said tapered portion (39) is between 0.001～0.3.
3. medical notes cover therapeutic instrument according to claim 1; It is characterized in that: also be provided with the administration indicating device that can detect on the said housing (11) the movement position of piston (7); This administration indicating device comprises power supply (12), be arranged at the display lamp (27) on the housing and move at trigger (13) and can carry out the contact that contacts of closed and disconnected when resetting, and is connected to the two ends of power supply after said contact contact and display lamp are in series.
4. medical notes cover therapeutic instrument according to claim 3; It is characterized in that: said contact contact comprises contact spring (21) and back-moving spring (14); Said back-moving spring comprises spring left side contravention (28) and the right contravention (29) of spring; Said contact spring is connected with a utmost point of power supply (12), and said spring left side contravention is connected with another utmost point of power supply; Said contact spring be arranged in the process of trigger (13) motion can with the contacted position of the right contravention (29) of spring.
5. medical notes cover therapeutic instrument according to claim 1; It is characterized in that: said sucker (2) is the tubular structure of an end opening; And the end face of sucker is provided with screwed hole (30) that matches with suction nozzle (3) and the injection orifice (31) that matches with needle holder, and the axis direction of the outer surface upper edge sucker of said sucker is evenly distributed with some suspension ribs (23).
6. medical notes cover therapeutic instrument according to claim 1; It is characterized in that: also comprising matches with sucker (2) be used for grip prick cushion rubber (1) go up the reamer device (32) on the sucker outer surface and match with the reamer device go up circle device (35); Said reamer device (32) is provided with some and is used for cover bundle cushion rubber is played the ribs of suspension effect and is arranged at the gathering sill (33) between the ribs, and said gathering sill is depressed in the outer surface of reamer device; The said circle device of going up is provided with expansion link (36), and expansion link is provided with the convexity (37) that matches with gathering sill; Said gathering sill (33) is more than three with the quantity of expansion link (36).
7. medical notes cover therapeutic instrument according to claim 1; It is characterized in that: said sucker (2) is that the cross section of an end opening and internal cavities is oval-shaped cylindrical body, at least two injection auxiliary bodies (41) that the end face of said sucker is provided with the screwed hole (30) that matches with suction nozzle (3) and protrudes in the sucker end face.
8. medical notes cover therapeutic instrument according to claim 1; It is characterized in that: also comprise the syringe fixture; This fixture comprises holder (46) that is arranged on the housing (11) and the fixed mount group (48) that matches with holder; Said holder is arranged on the left side of housing or/and the right side, and said fixed mount group is provided with the plural U-shaped draw-in groove (49) that syringe is positioned of being used for.
9. medical notes cover therapeutic instrument according to claim 1, it is characterized in that: said cylinder (8) is provided with alignment pin (45), and said housing (11) is provided with and is used for alignment pin is carried out spacing locating slot (47); One end of said suction nozzle (3) is cross termination (42), and the end face of said cylinder (8) is provided with the cross locating hole (43) that matches with the cross termination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101708199A CN102293674B (en) | 2011-06-23 | 2011-06-23 | Medical ligation injection therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101708199A CN102293674B (en) | 2011-06-23 | 2011-06-23 | Medical ligation injection therapeutic instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102293674A CN102293674A (en) | 2011-12-28 |
| CN102293674B true CN102293674B (en) | 2012-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101708199A Expired - Fee Related CN102293674B (en) | 2011-06-23 | 2011-06-23 | Medical ligation injection therapeutic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102293674B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103519860A (en) * | 2013-09-18 | 2014-01-22 | 许瑞云 | Method for setting elastic threads in ligation device and automatic elastic thread ligation device |
| CN104068906B (en) * | 2014-07-22 | 2017-02-15 | 李洪湘 | Disposable injection loop ligaturing curer |
| CN105708518B (en) * | 2016-01-20 | 2018-03-30 | 李洪湘 | Reusable type looping and binding device |
| CN107137129A (en) * | 2017-06-24 | 2017-09-08 | 李洪湘 | A kind of part replacement is convenient and the set of cross-infection can be avoided to prick syringe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298778Y (en) * | 1997-04-30 | 1998-12-02 | 罗时华 | Portable fast-sucking ligation treating device for internal piles |
| CN202104958U (en) * | 2011-06-23 | 2012-01-11 | 李洪湘 | Medical suction injection and endoscopic variceal ligation therapeutic apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007079674A1 (en) * | 2006-01-09 | 2007-07-19 | The 3Rd Hospital Affiliated To The 3Rd Military Medical University | Negative pressure suction-type haemorrhoidal treatment device |
-
2011
- 2011-06-23 CN CN2011101708199A patent/CN102293674B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298778Y (en) * | 1997-04-30 | 1998-12-02 | 罗时华 | Portable fast-sucking ligation treating device for internal piles |
| CN202104958U (en) * | 2011-06-23 | 2012-01-11 | 李洪湘 | Medical suction injection and endoscopic variceal ligation therapeutic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102293674A (en) | 2011-12-28 |
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