CN114272469A - Injection device for supporting and lifting ligament - Google Patents
Injection device for supporting and lifting ligament Download PDFInfo
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- CN114272469A CN114272469A CN202111536111.0A CN202111536111A CN114272469A CN 114272469 A CN114272469 A CN 114272469A CN 202111536111 A CN202111536111 A CN 202111536111A CN 114272469 A CN114272469 A CN 114272469A
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- 238000002347 injection Methods 0.000 title claims abstract description 209
- 239000007924 injection Substances 0.000 title claims abstract description 209
- 210000003041 ligament Anatomy 0.000 title claims abstract description 33
- 239000003814 drug Substances 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000004323 axial length Effects 0.000 claims description 15
- 239000011295 pitch Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 230000009471 action Effects 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000001815 facial effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 206010003694 Atrophy Diseases 0.000 description 2
- 230000037444 atrophy Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The application relates to the field of medical equipment, in particular to an injection device for supporting and lifting ligaments; the device comprises: the medicine storage unit comprises an injection tube, an injection push rod, an injection piston and a rotary grading part; the injection push rod is movably arranged in the injection tube up and down, the injection push rod is fixedly connected with an injection piston, the injection piston is abutted against the injection tube, and the injection push rod is provided with at least two different sliding racks; the rotary grading part is fixed on the injection tube and comprises a rotary locking mechanism and an elastic sheet, the elastic sheet is fixed on the rotary structure, the elastic sheet is abutted against a sliding rack, and the sliding rack is provided with a lower avoidance surface inclined outwards from bottom to top; the medicine injection unit comprises an injection joint, an injection needle and an injection catheter, wherein the injection joint is fixedly communicated with the injection catheter, a liquid outlet of the injection joint is communicated with the injection catheter, a liquid outlet of the injection catheter is communicated with the injection needle, and the injection catheter comprises a straight catheter and an N-section arc catheter; the injection difficulty of ligament promotion is reduced through above-mentioned device.
Description
Technical Field
The application relates to the field of medical equipment, in particular to an injection device for supporting and lifting ligaments.
Background
In the medical industry, injection medicine belongs to a conventional means, and is injected under the skin or other affected parts through an injection needle so as to realize the direct action of the medicine, but the injection speed of the medicine often determines the action time and the action depth of the medicine at the affected parts, so that the quality of the treatment effect is determined; the injection apparatus is also widely applied to the treatment of skin ligament damage or skin ligament atrophy at present, because the treatment to ligament damage and atrophy generally is to hit into and support promotion medicament, thereby the expansion ligament growth space, general method is to adopt blunt needle puncture crust reuse syringe needle puncture multilayer skin tissue, thereby introduce the liquid medicine into skin ligament department, and this needs experienced doctor to fix a position in advance and inject again, the speed of injecting the medicament is fast at the same time also influences the distribution uniformity degree that expands the medicament, this requires doctor's injection technique to be steady, thereby the work load of ligament promotion treatment has been increased.
Therefore, how to reduce the difficulty of injecting the medicament for lifting the ligament is a technical problem which needs to be solved at present.
Disclosure of Invention
The application provides an injection device for ligament supports promotion to solve the too big technical problem of the injection degree of difficulty of medicament for ligament promotes among the prior art.
In a first aspect, the present application provides an injection device for ligament support lifting, the device comprising:
a drug storage unit comprising a syringe, an injection plunger, an injection piston, and a rotational staging portion;
the injection push rod is sleeved in the injection tube, the end part of the injection push rod is fixedly connected with the injection piston, the injection piston is abutted against the inner wall of the injection tube, the injection push rod is provided with a plurality of sliding racks, and the sliding racks are arranged on the side wall of the injection push rod and extend along the axial direction of the injection push rod; the tooth pitches of the plurality of sliding racks are different;
the rotary grading part comprises a rotary locking mechanism and an elastic sheet, the rotary locking mechanism is fixed at the inlet end of the injection tube, the elastic sheet is fixed on the rotary locking mechanism, the elastic sheet is abutted against any one of the sliding racks, and the lower surfaces of teeth of the sliding racks are inclined planes;
the medicine injection unit comprises an injection joint, an injection catheter and an injection needle which are sequentially communicated, wherein a liquid inlet of the injection joint is fixedly connected with a liquid outlet of the injection catheter.
Optionally, the rotation locking mechanism includes a rotating disc and a fixing mechanism, the rotating disc is fixed at the inlet end of the injection tube, the fixing mechanism includes a fixed housing, a locking hole and an elastic locking portion, the fixed housing is rotatably connected to the rotating disc, the locking hole is formed in the side wall of the fixed housing in a penetrating manner, the elastic locking portion is arranged in the locking hole, and one end of the elastic locking portion is fixedly connected to the elastic sheet.
Optionally, the elastic locking part comprises a fixed cover, a locking push rod, a locking plate, a locking head and a locking rack;
locking push rod one end fixed connection the flexure strip, the other end fixed connection of locking push rod the fixed lid, the middle section of locking push rod is fixed with the lockplate, the lateral wall of lockplate all is equipped with a plurality ofly the locking head, the locking head butt locking rack, locking rack is fixed the inner wall in locking hole for realize the relative rotational locking mechanism's of flexure strip slip and fixed.
Optionally, the locking head comprises a triangular locking block, a locking spring and a locking groove; the locking groove is fixed the lateral wall of lockplate, locking spring one end is fixed locking inslot, the other end fixed connection of locking spring triangle locking piece, the open end that locks the groove is equipped with the locking baffle for realize that triangle locking piece freely stretches out the locking groove.
Optionally, the injection conduit comprises a straight conduit and three sections of arc conduits which are sequentially communicated, and the three sections of arc conduits comprise a first section of arc conduit, a second section of arc conduit and a third section of arc conduit; the axial length of the first section of arc-shaped guide pipe along the straight guide pipe is L1, the axial length of the second section of arc-shaped guide pipe along the straight guide pipe is L2, and the axial length of the third section of arc-shaped guide pipe along the straight guide pipe is L3.
Optionally, the ratio of the L1 to the L2 to the L3 is 1-6: 7-9: 4-8.
Optionally, the liquid outlet of the third arc-shaped conduit is communicated with the liquid inlet of the injection needle, and the opening direction of the liquid outlet of the third arc-shaped conduit is parallel to the straight conduit.
Optionally, the liquid inlets of the first section of arc-shaped conduit, the second section of arc-shaped conduit and the third section of arc-shaped conduit are provided with reinforced elastic rings to increase the bending strength of the arc-shaped conduit.
Optionally, the liquid inlet of the straight conduit is in threaded connection with the liquid outlet of the injection tube.
Optionally, the other end plane of the injection piston is a conical surface.
Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:
the embodiment of the application provides an injection apparatus for ligament supports promotion, realize the accurate control to injection speed and injection position, compare with the syringe that supports the promotion medicament among the prior art, the medicament that the ligament supports the promotion and uses can be accurate and even is squeezed into under sick skin, thereby reduce the injection degree of difficulty of medicament for ligament promotes, through setting up the medicine memory cell including syringe, injection push rod, injection piston and rotation classification portion, reuse including the rotation classification portion of rotation locking mechanical system and flexure strip, carry out the elasticity through flexure strip and the slip rack that sets up at injection push rod and dodge the action, because the even characteristic of distribution of slip rack, in the action process is dodged to the elasticity, can squeeze into sick department with the medicament according to certain rate, thereby realize the control of injection speed, rethread includes the injection joint, syringe needle and the medicine injection unit of injection pipe, because injection catheter has divided into straight type pipe and N section arc pipe, through the folding effect of arc pipe, the location that can be accurate goes out the sick affected part to make things convenient for the syringe needle to pierce skin and inject, avoid the damage that blunt needle puncture caused, thereby realize promoting the purpose with the injection degree of difficulty reduction of medicament to the ligament.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an injection device provided in an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a rotary staging section provided in an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a locking head according to an embodiment of the present disclosure;
wherein, 1-injection tube, 2-injection push rod, 21-sliding rack, 3-injection piston, 4-rotary grading part, 41-rotary locking mechanism, 411-rotary disk, 412-fixing mechanism, 4121-fixing shell, 4122-locking hole, 4123-elastic locking part, 41231-fixing cover, 41232-locking push rod, 41233-locking plate, 41234-locking head, 412341-triangle locking block, 412342-locking spring, 412343-locking groove, 412344-locking baffle, 41235-locking convex rack, 42-elastic sheet, 5-injection joint, 6-injection needle, 7-injection tube, 71-straight tube, 72-three-segment arc tube, 721-first segment arc tube, 722-second segment arc tube, 723-third arc duct section, 724-reinforced elastic ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In one embodiment of the present application, as shown in fig. 1, there is provided an injection device for ligament support lifting, the device comprising:
a medicine storage unit including a syringe 1, an injection push rod 2, an injection piston 3, and a rotary staging portion 4; the injection push rod 2 is sleeved in the injection tube 1, the end part of the injection push rod 2 is fixedly connected with the injection piston 3, the injection piston 3 is abutted against the inner wall of the injection tube 1, the injection push rod 2 is provided with a plurality of sliding racks 21, and the sliding racks 21 are arranged on the side wall of the injection push rod 2 and extend along the axial direction of the injection push rod 2; the tooth pitches of a plurality of the sliding racks 21 are different;
the rotary grading part 4 comprises a rotary locking mechanism 41 and an elastic sheet 42, the rotary locking mechanism 41 is fixed at the inlet end of the injection tube 1, the elastic sheet 42 is fixed on the rotary locking mechanism 41, the elastic sheet 42 is abutted against any one of the sliding racks 21, and the lower surfaces of the teeth of the sliding racks 21 are inclined planes;
the injection unit comprises an injection joint 5, an injection catheter 7 and an injection needle 6 which are sequentially communicated, wherein a liquid inlet of the injection joint 5 is fixedly connected with a liquid outlet of the injection catheter 1.
In the application, including injection syringe 1 through the setting, injection push rod 2, the medicine memory cell of injection piston 3 and rotation classification portion 4, recycle including the rotation classification portion 4 of rotation locking mechanical system 41 and flexure strip 42, carry out the elasticity through flexure strip 42 and the slip rack 21 that sets up at injection push rod 2 and dodge the action, because the even characteristic of distribution of slip rack 21, dodge the action in-process at elasticity, can squeeze into sick department with the medicament according to certain rate, thereby realize the control of injection speed, the rethread includes injection joint 5, syringe needle 6 and injection catheter 7's medicine injection unit, make things convenient for syringe needle 6 to pierce skin and inject, avoid the damage that the blunt needle puncture caused, thereby realize the mesh that the injection degree of difficulty that promotes with the medicament to the ligament reduces.
In some embodiments, the rotation locking mechanism 41 includes a rotation disc 411 and a fixing mechanism 412, the rotation disc 411 is fixed at the inlet end of the syringe 1, the fixing mechanism 412 includes a fixed housing 4121, a locking hole 4122 and an elastic locking portion 4123, the fixed housing 4121 is rotatably connected with the rotation disc 411, the locking hole 4122 is penetrated through a sidewall of the fixed housing 4121, the elastic locking portion 4123 is arranged in the locking hole 4122, and one end of the elastic locking portion 4123 is fixedly connected with the elastic sheet 42.
Further, the elastic locking portion 4123 includes a fixing cover 41231, a locking push rod 41232, a locking plate 41233, a locking head 41234, and a locking rack 41235;
one end of the locking push rod 41232 is fixedly connected with the elastic piece 42, the other end of the locking push rod 41232 is fixedly connected with the fixed cover 41231, the middle section of the locking push rod 41232 is fixed with the locking plate 41233, the side walls of the locking plate 41233 are respectively provided with a plurality of locking heads 41234, the locking heads 41234 abut against the locking convex rack 41235, and the locking convex rack 41235 is fixed on the inner wall of the locking hole 4122 so as to realize the sliding and fixing of the elastic piece 42 relative to the rotating locking mechanism 41.
In the present application, a fixing mechanism 412 including a fixed housing 4121, a locking hole 4122 and an elastic locking portion 4123 is provided through a rotary disk 411, and at the same time, by using the elastic locking portion 4123 including a fixed cover 41231, a locking push rod 41232, a locking plate 41233, a locking head 41234 and a locking rack 41235, the elastic locking portion 4123 is rotated to the sliding rack 21 of the injection push rod 2 corresponding to a desired injection speed through the rotary disk 411, and then the abutting relation between the locking head 41234 of the elastic locking portion 4123 and the locking rack 41235 is utilized, thereby realizing the abutting fixation of the locking plate 41233 between the locking rack 41235, and then the sliding of the locking plate 41233 on the locking rack 41235 is realized by pushing the fixed cover 41231 to move the locking push rod 41232, thereby causing the locking push rod 41232 to drive the elastic piece 42 to expand and contract through the locking hole 4122, and further causing the elastic piece 42 to abut on the sliding rack 21 of the injection push rod 2 or the elastic piece 42 to separate from the sliding rack 21, therefore, the elastic piece 42 is abutted against and separated from the sliding rack 21, the conversion of different sliding racks 21 is realized, and the injection speed can be controlled by the abutting of the sliding rack 21 and the elastic piece 42 and the tooth distance between the sliding rack 21, so that the control of the medicine injection speed can be realized.
Preferably, the locking head 41234 includes a triangular locking block 412341, a locking spring 412342, and a locking slot 412343; the locking groove 412343 is fixed the lateral wall of locking plate 41233, locking spring 412342 one end is fixed in the locking groove 412343, locking spring 412342's other end fixed connection triangle locking piece 412341, the open end of locking groove 412343 is equipped with locking baffle 412344 for realize that triangle locking piece 412341 freely stretches out locking groove 412343, wherein, locking baffle 412344's length does the 1/5 of triangle locking piece 412341 bottom length, just locking baffle 412344 is relative the axial lead place horizontal plane symmetry setting of locking groove 412343.
In the present application, by providing the locking head 41234 including the triangular locking block 412341, the locking spring 412342 and the locking groove 412343, and providing the locking baffle 412344 at the open end of the locking groove 412343, and using the locking spring 412342 to make the triangular locking block 412341 reciprocate in the locking groove 412343, the triangular locking block 412341 can be blocked due to the existence of the locking baffle 412344, and the triangular locking block 412341 can freely extend and contract, so that the locking head 41234 can be freely fixed and separated in the locking rack 41235, the locking plate 41233 can be fixed on the locking push rod 41232 by the driving of the locking head 41234, and the positioning of the elastic piece 42 at the end of the locking push rod 41232 on the sliding rack 21 of the injection push rod 2 can be realized,
in some alternative embodiments, the injection conduit 7 comprises a straight conduit 71 and three sections of arc conduits 72 which are communicated in sequence, and the three sections of arc conduits 72 comprise a first section of arc conduit 721, a second section of arc conduit 722 and a third section of arc conduit 723 in sequence; the axial length of the first section of arc-shaped guide pipe 721 along the straight guide pipe 71 is L1, the axial length of the second section of arc-shaped guide pipe 722 along the straight guide pipe 71 is L2, and the axial length of the third section of arc-shaped guide pipe 723 along the straight guide pipe 71 is L3.
Furthermore, the ratio of L1 to L2 to L3 is 1-6: 7-9: 4-8.
In the application, the ratio of the axial length of the first section of arc-shaped conduit 721, the axial length of the second section of arc-shaped conduit 722 and the axial length of the third section of arc-shaped conduit 723 is limited to be 1-6: 7-9: 4-8, so that the ligament can be positioned according to the faces of patients of different ages or head types within the range of the ratio, and the specific point positions of the nodes of the arc-shaped conduits are limited on the faces of the patients, for example, the nodes of the first section of arc-shaped conduit 721 and the second section of arc-shaped conduit 722 are arranged on the zygomatic processes of the patients, and then the nodes of the second section of arc-shaped conduit 722 and the third section of arc-shaped conduit 723 are arranged on the symmetrical zygomatic processes of the patients, so that the specific positions of the facial ligaments can be quickly determined by winding the arc-shaped conduits, and the positioning is convenient and accurate; when the ratio is greater or less than the end point of the range, the adverse effect will be due to the part of the arc-shaped catheter being too long, the winding stage will cause the inner wall of the catheter to be squeezed or loosened, the specific location of the facial ligaments cannot be determined, and the injection of the drug will be affected at the same time.
Alternatively, the liquid outlet of the third arc-shaped duct 723 is communicated with the liquid inlet of the injection needle 6, and the opening direction of the liquid outlet of the third arc-shaped duct 723 is parallel to the straight duct 71.
In the present application, the opening direction of the liquid outlet of the third arc-shaped conduit 723 is defined so as to facilitate injection of the positioned medicine.
In some alternative embodiments, the liquid inlets of the first arc-shaped conduit 721, the second arc-shaped conduit 722 and the third arc-shaped conduit 723 are provided with reinforced elastic rings 724 for increasing the bending strength of the arc-shaped conduits.
In this application, consolidate elastic ring 724 through the inlet setting to the arc pipe to the reinforcing guarantees the smooth injection of medicine at the buckling of the arc pipe of facial ligament location in-process, can also act as the location mark simultaneously, further conveniently confirms the concrete position of facial ligament.
In some alternative embodiments, the inlet of the straight conduit 71 is threaded to the outlet of the injection tube 1.
In this application, through threaded connection's straight type pipe 71 and syringe 1, and then can conveniently change and wash medicine storage unit and medicine injection unit, improve the holistic practical characteristic and the sustainability of device.
In some alternative embodiments, the other end plane of the injection piston 3 is a conical surface.
In this application, personally submit the conical surface setting through injection piston 3's promotion to make things convenient for the medicine to release syringe 1, can cooperate injection push rod 2, further improve the accuracy control to medicine injection speed.
Example 1
An injection device for ligament support lifting, comprising:
the medicine storage unit comprises an injection tube 1, an injection push rod 2, an injection piston 3 and a rotary grading part 4; the injection push rod 2 is sleeved in the injection tube 1, the end part of the injection push rod 2 is fixedly connected with an injection piston 3, the injection piston 3 is abutted against the inner wall of the injection tube 1, the injection push rod 2 is provided with a plurality of sliding racks 21, and the sliding racks 21 are arranged on the side wall of the injection push rod 2 and extend along the axial direction of the injection push rod 2; the tooth pitches of the plurality of sliding racks 21 are different;
the rotary grading part 4 comprises a rotary locking mechanism 41 and an elastic sheet 42, the rotary locking mechanism 41 is fixed at the inlet end of the injection tube 1, the elastic sheet 42 is fixed on the rotary locking mechanism 41, the elastic sheet 42 is abutted against any one sliding rack 21, and the lower surface of the tooth of the sliding rack 21 is an inclined surface;
the medicine injection unit comprises an injection joint 5, an injection catheter 7 and an injection needle 6 which are sequentially communicated, wherein a liquid inlet of the injection joint 5 is fixedly connected with a liquid outlet of the injection tube 1.
Example 2
Comparing example 2 with example 1, example 2 differs from example 1 only in that:
in order to ensure the fixing and separating effect of the rotation locking mechanism 41 on the elastic sheet 42, the present application further performs specific detailed setting on the rotation classifying portion 4, which is detailed as follows:
the rotation locking mechanism 41 comprises a rotation disc 411 and a fixing mechanism 412, the rotation disc 411 is fixed at the inlet end of the injection tube 1, the fixing mechanism 412 comprises a fixed outer shell 4121, a locking hole 4122 and an elastic locking part 4123, the fixed outer shell 4121 is rotatably connected with the rotation disc 411, the locking hole 4122 is arranged on the side wall of the fixed outer shell 4121 in a penetrating manner, the elastic locking part 4123 is arranged in the locking hole 4122, and one end of the elastic locking part 4123 is fixedly connected with the elastic sheet 42.
Meanwhile, in order to ensure that the elastic locking portion 4123 can accurately bring the elastic piece 42 to slide up and down and be fixed, the elastic locking portion 4123 includes a fixing cover 41231, a locking push rod 41232, a locking plate 41233, a locking head 41234, and a locking rack 41235;
one end of the locking push rod 41232 is fixedly connected with the elastic piece 42, the other end of the locking push rod 41232 is fixedly connected with the fixed cover 41231, the middle section of the locking push rod 41232 is fixedly provided with the locking plate 41233, the side walls of the locking plate 41233 are respectively provided with a plurality of locking heads 41234, the locking heads 41234 abut against the locking convex rack 41235, and the locking convex rack 41235 is fixed on the inner wall of the locking hole 4122 so as to realize the sliding and fixing of the elastic piece 42 relative to the rotating locking mechanism 41.
And further, in order to enable the locking plate 41233 to slide on and separate from the locking rack gear 41235 of the locking hole 4122, the locking head 41234 includes a triangular locking piece 412341, a locking spring 412342 and a locking groove 412343; the locking groove 412343 is fixed in the lateral wall of locking plate 41233, and locking spring 412342 one end is fixed in locking groove 412343, and the other end fixed connection triangle locking piece 412341 of locking spring 412342, the open end of locking groove 412343 are equipped with locking baffle 412344 for realize that triangle locking piece 412341 freely stretches out locking groove 412343, and wherein, the length of locking baffle 412344 is the 1/5 of triangle locking piece 412341 bottom length, and the setting of the relative axial lead place level symmetry of locking groove 412343 of locking baffle 412344.
Example 3
Comparing example 3 with example 1, example 3 differs from example 1 only in that:
in order to further improve the accuracy of the facial ligament location, the present application further defines the length of the arc catheter, specifically including: the injection conduit 7 comprises a straight conduit 71 and three sections of arc conduits 72 which are communicated in sequence, wherein the three sections of arc conduits 72 comprise a first section of arc conduit 721, a second section of arc conduit 722 and a third section of arc conduit 723 in sequence; the first section of the arc-shaped conduit 721 has an axial length L1 along the straight conduit 71, the second section of the arc-shaped conduit 722 has an axial length L2 along the straight conduit 71, and the third section of the arc-shaped conduit 723 has an axial length L3 along the straight conduit 71.
In order to further improve the positioning reasonableness, the ratio of L1 to L2 to L3 is 5: 8: 6, so that the face of the patient with different ages and different head types can be quickly positioned conveniently by setting the length ratio.
Example 4
Comparing example 4 with example 3, example 4 differs from example 3 only in that:
in order to guarantee the convenience of injection, this application still limits the liquid outlet of arc pipe, specifically includes:
the liquid outlet of the third arc-shaped duct 723 is communicated with the liquid inlet of the injection needle 6, and the opening direction of the liquid outlet of the third arc-shaped duct 723 is parallel to the straight duct 71.
Example 5
Comparing example 5 with example 3, example 5 differs from example 3 only in that:
L1∶L2∶L3＝1∶7∶4。
example 6
Comparing example 6 with example 3, example 6 differs from example 3 only in that:
L1∶L2∶L3＝6∶9∶8。
example 7
Comparing example 7 with example 1, example 7 differs from example 1 in that:
in order to guarantee the easy change of whole injection device and the convenient clear degree, this application has still injectd the relation of connection between medicine storage unit and the medicine injection unit, specifically includes: the liquid inlet of the straight conduit 71 is connected with the liquid outlet of the injection tube 1 by screw thread.
Example 8
Comparing example 8 with example 1, example 8 differs from example 1 only in that:
in order to guarantee that the injection medicine residual quantity reduces, guarantee the accuracy of medicine injection speed simultaneously, this application still sets up injection piston 3, specifically includes:
the other end plane of the injection piston 3 is a conical surface.
One or more technical solutions in the embodiments of the present invention at least have the following technical effects or advantages:
(1) the application provides an injection device, through prescribing a limit to medicine storage unit and medicine injection unit respectively, through setting up the medicine storage unit including injection tube 1, injection push rod 2, injection piston 3 and rotation classification portion 4, recycle including rotation locking mechanical system 41 and rotation classification portion 4 of flexure strip 42, carry out the elasticity through flexure strip 42 and the slip rack 21 that sets up at injection push rod 2 and dodge the action, because the even characteristic of distribution of slip rack 21, in the elasticity dodges the action in-process, can hit into the sick department according to certain speed with the medicament, thereby realize the control of injection speed, rethread includes injection joint 5, syringe needle 6 and the medicine injection unit of injection pipe 7, because injection pipe 7 has divided into straight pipe 71 and a plurality of sections arc pipe 72, through the folding effect of arc pipe, can pinpoint the sick department, thereby make things convenient for syringe needle 6 to pierce the skin and inject, avoid the damage that blunt needle puncture caused to the realization promotes the purpose that reduces with the injection degree of difficulty of medicament to the ligament.
(2) The injection device provided by the application can rapidly inject the medicine at a stable speed and accurate ligament positioning, so that the operation is simple, and even if the doctor is short in experience or years, the operation can be simple and convenient.
(3) The application provides an injection device, because injection piston 3 will keep the gas tightness, consequently injection piston 3 need hug closely the pipe wall, guarantee the gas tightness, and make injection push rod 2 rotate more for the difficulty like this, consequently through using rotation locking mechanical system 41 as the core, can effectually avoid causing the liquid medicine to reveal or remain to injection push rod 2's rotation, drag rotation locking mechanical system 41 and rotate the locking, thereby make things convenient for doctor's operation.
(4) The application provides an injection device, through the N section injection pipe 72 that sets up, can unite two into one injection and ligament location, make things convenient for the accurate judgement of doctor to on the speed's that can guarantee the injection basis, also can guarantee the accurate nature of ligament location.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An injection device for ligament support lifting, the device comprising:
a drug storage unit comprising a syringe (1), an injection push rod (2), an injection piston (3) and a rotary staging portion (4); the injection push rod (2) is sleeved in the injection tube (1), the end part of the injection push rod (2) is fixedly connected with the injection piston (3), the injection piston (3) is abutted against the inner wall of the injection tube (1), the injection push rod (2) is provided with a plurality of sliding racks (21), and the sliding racks (21) are arranged on the side wall of the injection push rod (2) and extend along the axial direction of the injection push rod (2); the tooth pitches of a plurality of sliding racks (21) are different;
the rotary grading part (4) comprises a rotary locking mechanism (41) and an elastic sheet (42), the rotary locking mechanism (41) is fixed at the inlet end of the injection tube (1), the elastic sheet (42) is fixed on the rotary locking mechanism (41), the elastic sheet (42) abuts against any one of the sliding racks (21), and the lower surfaces of teeth of the sliding racks (21) are inclined planes;
the injection unit comprises an injection joint (5), an injection catheter (7) and an injection needle (6) which are sequentially communicated, wherein a liquid inlet of the injection joint (5) is fixedly connected with a liquid outlet of the injection tube (1).
2. The injection device as claimed in claim 1, wherein the rotation locking mechanism (41) comprises a rotation disc (411) and a fixing mechanism (412), the rotation disc (411) is fixed at the inlet end of the injection tube (1), the fixing mechanism (412) comprises a fixing housing (4121), a locking hole (4122) and an elastic locking part (4123), the fixing housing (4121) is rotatably connected with the rotation disc (411), the locking hole (4122) is arranged through the side wall of the fixing housing (4121), the elastic locking part (4123) is arranged in the locking hole (4122), and one end of the elastic locking part (4123) is fixedly connected with the elastic sheet (42).
3. The injection device according to claim 2, wherein the resilient locking portion (4123) comprises a stationary cover (41231), a locking push rod (41232), a locking plate (41233), a locking head (41234) and a locking male rack (41235);
one end of the locking push rod (41232) is fixedly connected with the elastic piece (42), the other end of the locking push rod (41232) is fixedly connected with the fixed cover (41231), the middle section of the locking push rod (41232) is fixedly provided with the locking plate (41233), the side walls of the locking plate (41233) are respectively provided with a plurality of locking heads (41234), the locking heads (41234) abut against the locking convex rack (41235), and the locking convex rack (41235) is fixed on the inner wall of the locking hole (4122) and used for achieving sliding and fixing of the elastic piece (42) relative to the rotating locking mechanism (41).
4. The injection device of claim 3, wherein the locking head (41234) comprises a triangular locking block (412341), a locking spring (412342), and a locking groove (412343); locking groove (412343) are fixed the lateral wall of locking plate (41233), locking spring (412342) one end is fixed in locking groove (412343), the other end fixed connection of locking spring (412342) triangle locking piece (412341), the open end of locking groove (412343) is equipped with locking baffle (412344) for realize that triangle locking piece (412341) freely stretches out locking groove (412343).
5. The injection device according to claim 1, characterized in that said injection duct (7) comprises a straight duct (71) and three sections of arc ducts (72) communicating in sequence, said three sections of arc ducts (72) comprising a first section of arc duct (721), a second section of arc duct (722) and a third section of arc duct (723); the axial length of the first section of arc-shaped guide pipe (721) along the straight guide pipe (71) is L1, the axial length of the second section of arc-shaped guide pipe (722) along the straight guide pipe (71) is L2, and the axial length of the third section of arc-shaped guide pipe (723) along the straight guide pipe (71) is L3.
6. The injection device of claim 5, wherein said L1, said L2, and said L3 are 1-6: 7-9: 4-8.
7. The injection device as claimed in claim 5, wherein the liquid outlet of the third arc-shaped duct (723) is communicated with the liquid inlet of the injection needle (6), and the opening direction of the liquid outlet of the third arc-shaped duct (723) is parallel to the straight duct (71).
8. The injection device as set forth in claim 5, wherein the liquid inlets of the first, second and third arc-shaped conduits (721, 722, 723) are provided with reinforced elastic rings (724) for increasing the bending strength of the arc-shaped conduits.
9. The injection device according to claim 1, wherein the inlet of the straight conduit (71) is threaded to the outlet of the injection tube (1).
10. An injection device according to claim 1, characterized in that the other end plane of the injection piston (3) is a conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111536111.0A CN114272469B (en) | 2021-12-14 | 2021-12-14 | Injection device for ligament support lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111536111.0A CN114272469B (en) | 2021-12-14 | 2021-12-14 | Injection device for ligament support lifting |
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| CN114272469A true CN114272469A (en) | 2022-04-05 |
| CN114272469B CN114272469B (en) | 2024-04-05 |
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| CN114272469B (en) | 2024-04-05 |
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