CN110251775B - Indwelling needle capable of being punctured by one hand and fixed by U-shaped Gao Juping methods - Google Patents
Indwelling needle capable of being punctured by one hand and fixed by U-shaped Gao Juping methods Download PDFInfo
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- CN110251775B CN110251775B CN201910692200.0A CN201910692200A CN110251775B CN 110251775 B CN110251775 B CN 110251775B CN 201910692200 A CN201910692200 A CN 201910692200A CN 110251775 B CN110251775 B CN 110251775B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000000741 silica gel Substances 0.000 claims abstract description 53
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 53
- 238000001802 infusion Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 239000008280 blood Substances 0.000 claims description 8
- 210000004369 blood Anatomy 0.000 claims description 8
- 206010011985 Decubitus ulcer Diseases 0.000 abstract description 5
- 208000004210 Pressure Ulcer Diseases 0.000 abstract description 5
- 230000002792 vascular Effects 0.000 abstract description 5
- 210000003811 finger Anatomy 0.000 description 15
- 210000004204 blood vessel Anatomy 0.000 description 9
- 239000002390 adhesive tape Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010013954 Dysphoria Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 208000001297 phlebitis Diseases 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1585—Needle inserters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses an indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method, which comprises a catheter, a rivet, a silica gel catheter seat outer sleeve, a catheter seat, a separation plug, a push rod, a steel needle, a needle handle fixing column, an extension tube, a flow stopping clamp, an infusion interface three-way seat, a needleless infusion connector and an end cap; the invention can improve the success rate of clinical puncture by single hand puncture and the indwelling needle fixed by U-shaped Gao Juping methods, has high success rate of one-time catheterization, reduces the damage to the vascular wall, effectively reduces the occurrence of clinical related complications, reduces the workload of nurses, does not need two persons to coordinate puncture, and reduces the labor cost of hospitals; the invention can reduce the incidence of tube blockage by the single-hand puncture and the indwelling needle fixed by the U-shaped Gao Juping method, prolong the indwelling time, reduce the incidence of pressure sores, effectively reduce the incidence of clinical related complications, avoid repeated puncture, improve the working efficiency of nurses, improve the satisfaction degree of patients, and ensure firm fixation and avoid the occurrence of accidental tube drawing.
Description
Technical Field
The invention relates to the technical field of indwelling needles, in particular to an indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method.
Background
The disposable venous indwelling needle is clinically used for peripheral venous transfusion and blood sample collection, is used for short-term venous puncture indwelling for liquid medicine transfusion, and is one of the most widely used puncture tools at present because the venous indwelling needle has the characteristics of small vascular stimulation, multiple days of indwelling, less pain of patient puncture, simplicity and convenience in use and the like because the venous indwelling needle only has a catheter made of a high polymer material and is indwelled in a venous blood vessel of a human body after successful puncture.
However, the existing closed venous indwelling needle is often held by the left hand during puncturing, the upper arm puncturing part of a patient is fixed, the left hand needs to loosen the fixing part after blood return, the left hand forwards sends the catheter, the right hand backwards withdraws the needle tube, once the left hand fixing part forwards sends the catheter, the blood vessel is often bent because the blood vessel is not subjected to the external force action of left hand fixing any more, the blood vessel is not straight like the original one, and slight change can occur in the angle in the direction, so that the puncturing fails.
During the retaining period of the retaining needle, the fixing of the extension tube is required to be higher than the puncture point, the extension tube should be fixed above the puncture point, the blood return of the retaining needle is prevented, the occurrence of clinical complications such as tube blockage, phlebitis and the like is reduced, but the conventional retaining needle is required to realize the fixing direction, the extension tube is required to be bent upwards to realize the U-shaped fixing, the problems that the U-shaped bending is irregular, the fixing is not firm, the extension tube is easy to clamp and the like are solved, meanwhile, in order to effectively fix the catheter, the high lifting platform method is adopted for fixing the extension tube in clinic, the high lifting platform method is not adopted for fixing the retaining needle, the traditional adhesive tape is usually adopted for fixing, the pipeline is directly fixed on the skin by the adhesive tape, gaps are usually existed between the adhesive tape and the skin, the pipeline is not adhered to the skin, the adhesive tape is narrow, the adhesive tape is low in viscosity, the fixing area is small, the defects that the skin is pressed, the fixing is not firm, the pipeline is easy to deviate and the like are overcome, and the problem that especially for patients with dysphoria patient, the poor patient lying in a long term, the fixing method is easy to cause the local skin to be damaged by pressing, the position and the bad nursing condition can be caused.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the indwelling needle which can be used for one-hand puncture and is fixed by a U-shaped Gao Juping method, and a U-shaped Gao Juping method fixing structure design is adopted while one-hand puncture is realized; solves the problem that the operation of both hands is needed when the clinical indwelling needle is punctured, the needle is inserted by one hand, and the catheter is delivered to the blood vessel by one hand; after the puncture is finished, the U-shaped fixation can be realized by rotating the extension tube 180 degrees above the puncture point, meanwhile, the high-lift platform method is adopted to design the silica gel block, the high-lift platform method fixation can be realized, and the U-shaped Gao Juping-stage method fixation can be finished in one step.
The technical solution for realizing the purpose of the invention is as follows:
An indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method is characterized by comprising a catheter, a rivet, a silica gel catheter seat outer sleeve, a catheter seat, a separation plug, a push rod, a steel needle, a needle handle fixing column, an extension tube, a flow stopping clamp, an infusion interface tee seat, a needleless infusion connector and an end cap; the inner cavity of the catheter seat is sequentially provided with a limiting table, a positioning step and a dispensing groove from front to back; a rivet is arranged at the limit table and connected with one end of the guide pipe, and the other end of the guide pipe penetrates through the small hole of the guide pipe seat; the positioning step is provided with a separation plug, the front plane of the separation plug coincides with the positioning step, the tail end of the separation plug is provided with a groove, the groove is parallel to the dispensing groove, and the separation plug is fixed by dispensing; a silica gel catheter seat jacket is fixed on the catheter seat; the front end of the needle handle fixing column is provided with a steel needle hole, the tail end of the needle handle fixing column is provided with a bulge loop, the needle handle fixing column is provided with a positioning chute, one end of the positioning chute is provided with a front limit groove, and the other end of the positioning chute is provided with a rear limit groove; one end of the steel needle penetrates through the guide pipe, and the other end of the steel needle is fixed on the needle handle fixing column through the steel needle hole; the needle handle fixing column penetrates through the positioning hole of the needle handle, and is buckled in the groove of the needle handle through the bulge loop; the front end of the push rod is provided with a positioning column, the tail end of the push rod is provided with a finger push plate, a circular arc-shaped pressing groove is arranged below the finger push plate, and a clamping head is arranged below the circular arc-shaped pressing groove; one end of the push rod is connected with the catheter seat through the positioning column, the other end of the push rod is sleeved on the needle handle fixing column through the inner hole, the finger push plate is clamped in the chute, and the clamping head is clamped in the positioning chute, so that the front-back sliding can be realized; when the clamping head moves to the rear limit groove, the clamping head is clamped in the rear limit groove to realize rear positioning; when the finger push plate is pressed, the finger push plate can move up and down in the circular arc-shaped pressing groove, so that the clamping head can be pressed into the positioning sliding groove, the push rod is pushed forward, the push rod can be moved forward, when the push rod moves to the front limiting groove, the clamping head is clamped in the front limiting groove, and similarly, when the finger push plate is pressed, the clamping head can be pressed into the positioning sliding groove again, and the push rod is pushed backward, so that the push rod can move backward; one end of the extension tube passes through an inner hole of the extension tube of the silica gel catheter seat outer sleeve and then is communicated with the Y-side port of the catheter seat, the other end of the extension tube is communicated with a pipeline hole of the infusion interface three-way seat, a needleless infusion connector is arranged on an interface of the infusion interface three-way seat, and an end cap is arranged on a side port of the infusion interface three-way seat; the flow stopping clamp is arranged on the extension tube and penetrates through the extension tube.
Preferably, the catheter is fitted to the rivet by flaring, the rivet being pressed into the catheter hub at a stop station.
Preferably, the silica gel catheter seat sleeve is fixed on the catheter seat through an inner hole, the front end face of the catheter seat is overlapped with the inner plane of the silica gel catheter seat sleeve, the Y-side through of the catheter seat is concentric with the silica gel Y-side through of the silica gel catheter seat sleeve, and the front end face of the Y-side through is overlapped with the inner plane of the silica gel Y-side through.
Preferably, a blood return window is arranged on the silica gel catheter seat outer sleeve, and a groove is arranged on a silica gel clamping block of the silica gel catheter seat outer sleeve.
Preferably, the silica gel catheter seat outer sleeve is provided with a fixed wing structure.
Preferably, the catheter seat is provided with an upward Y-side passage, and an included angle between the Y-side passage and the central axis of the catheter seat is smaller than or equal to 90 degrees.
Preferably, a fixing clamp is arranged on the push rod, and a silica gel clamping block of the silica gel catheter seat outer sleeve is fastened on the fixing clamp after rotating 180 degrees.
Preferably, the push rod is assembled into the inner cavity of the catheter seat through the positioning column, and the rear end face of the catheter seat is coincident with the bottom end face of the positioning column.
Preferably, one end of the extension tube penetrates through an inner hole of the extension tube of the silica gel catheter seat outer sleeve and then is adhered to the Y-side tube of the catheter seat, and the other end of the extension tube is adhered to a pipeline hole of the infusion interface tee seat.
Preferably, the needleless infusion connector is screwed on the connector of the infusion connector tee through luer threads, and the end cap is screwed on the side connector of the infusion connector tee through luer threads.
Compared with the prior art, the invention has the remarkable advantages that:
(1) The invention can improve the success rate of clinical puncture by one hand puncture and the indwelling needle fixed by a U-shaped Gao Juping method, has high success rate of one-time catheterization, reduces the damage to the vascular wall, effectively reduces the occurrence of clinical related complications, reduces the workload of nurses, does not need two persons to coordinate puncture, reduces the labor cost of hospitals and improves the satisfaction of patients.
(2) The invention can reduce the incidence of tube blockage by one-hand puncture and the indwelling needle fixed by a U-shaped Gao Juping method, prolong the indwelling time, reduce the incidence of pressure sores, effectively reduce the incidence of clinical related complications, avoid repeated puncture, improve the working efficiency of nurses, improve the satisfaction degree of patients, and ensure firm fixation and avoid the occurrence of accidental tube drawing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a single hand piercing and U-shaped Gao Juping-method fixed indwelling needle according to the present invention.
FIG. 2 is an exploded view of a single hand piercing and U-shaped Gao Juping-piece fixed indwelling needle according to the present invention.
FIG. 3 is a schematic view of a catheter hub according to the present invention.
Fig. 4 is a schematic structural view of a catheter hub jacket according to the present invention.
Fig. 5 is a schematic structural view of a catheter hub of the present invention with a fixed wing structure.
Fig. 6 is a schematic view of the structure of the needle handle in the present invention.
FIG. 7 is a schematic view of the catheter hub, catheter hub jacket, and needle handle assembly of the present invention.
Fig. 8 is a schematic view of the structure of the indwelling needle according to the present invention when assembled.
FIG. 9 is a schematic view showing the structure of the indwelling needle according to the present invention before puncture.
Fig. 10 is a schematic view of the structure of the indwelling needle according to the present invention.
FIG. 11 is a schematic view showing the structure of the indwelling needle according to the present invention after puncturing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1 to 8, an indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method comprises a catheter 1, a rivet 2, a silica gel catheter seat sleeve 3, a catheter seat 4, a separation plug 5, a push rod 6, a steel needle 7, a needle handle 8, a needle handle fixing column 9, an extension tube 10, a flow stopping clamp 11, an infusion interface three-way seat 12, a needleless infusion connector 13 and an end cap 14; the inner cavity 42 of the catheter seat 4 is provided with a limiting table 43, a positioning step 44 and a dispensing groove 41 in sequence from front to back; a rivet 2 is arranged at the limiting table 43, the rivet 2 is connected with one end of the guide pipe 1, and the other end of the guide pipe 1 passes through a small hole 45 of the guide pipe seat 4; The guide tube 1 is assembled on the rivet 2 through flaring, and the rivet 2 is pressed into a limit table 43 in the guide tube seat 4 through pressing; the positioning step 44 is provided with a separation plug 5, the front plane 52 of the separation plug 5 coincides with the positioning step 44, the tail end of the separation plug 5 is provided with a groove 51, the groove 51 is parallel to the dispensing groove 41, and the separation plug 5 is fixed by dispensing; the catheter seat 4 is provided with an upward Y-side through 47, and the included angle between the Y-side through 47 and the central axis of the catheter seat is less than or equal to 90 degrees; a silica gel catheter seat outer sleeve 3 is fixed on the catheter seat 4, the silica gel catheter seat outer sleeve 3 is sleeved on the catheter seat 4 through an inner hole 32, the front end face 46 of the catheter seat 4 is overlapped with the inner plane 34 of the silica gel catheter seat outer sleeve 3, the Y-side through 47 of the catheter seat 4 is concentric with the silica gel Y-side through 35 of the silica gel catheter seat outer sleeve 3, and the front end face of the Y-side through 47 is overlapped with the inner plane of the silica gel Y-side through 35; The silica gel catheter seat outer sleeve 3 is provided with a blood return window 33, and a silica gel clamping block 37 of the silica gel catheter seat outer sleeve 3 is provided with a groove 38; the silicone catheter hub casing 3 may be provided with a fixed wing structure 39 of any shape; the front end of the needle handle fixing column 9 is provided with a steel needle hole 92, the tail end of the needle handle fixing column 9 is provided with a raised ring 91, the needle handle fixing column 9 is provided with a positioning chute 95, one end of the positioning chute 95 is provided with a front limit groove 93, and the other end of the positioning chute 95 is provided with a rear limit groove 94; one end of the steel needle 7 passes through the catheter 1, and the other end of the steel needle 7 is fixed on the needle handle fixing column 9 through a steel needle hole 92; the needle handle fixing column 9 passes through the positioning hole 82 of the needle handle 8, and the needle handle fixing column 9 is buckled in the groove 83 of the needle handle 8 through the bulge loop 91; the front end of the push rod 6 is provided with a positioning column 62, the tail end of the push rod 6 is provided with a finger push plate 64, a circular arc-shaped pressing groove 63 is arranged below the finger push plate 64, and a clamping head 65 is arranged below the circular arc-shaped pressing groove 63; one end of the push rod 6 is connected with the catheter seat 4 through a positioning column 62, the push rod 6 is assembled into the inner cavity 42 of the catheter seat 4 through the positioning column 62, and the rear end face 48 of the catheter seat 4 is overlapped with the bottom end face 67 of the positioning column 62; the other end of the push rod 6 is sleeved on the needle handle fixing column 9 through an inner hole 66, the finger push plate 64 is clamped in the sliding groove 81, and the clamping head 65 is clamped in the positioning sliding groove 95, so that the front and back sliding can be realized; When the clamping head 65 moves to the rear limit groove 94, the clamping head 65 is clamped in the rear limit groove 94, so that rear positioning is realized; when the finger push plate 64 is pressed, the finger push plate 64 can move up and down in the circular arc-shaped pressing groove 63, so that the clamping head 65 can be pressed into the positioning sliding groove 95, the push rod 6 is pushed forward, the push rod 6 can be moved forward, when the push rod moves to the front limiting groove 93, the clamping head 65 is clamped in the front limiting groove 93, and similarly, when the finger push plate 64 is pressed, the clamping head 65 can be pressed down again into the positioning sliding groove 95, and the push rod 6 can be pushed backward; the push rod 6 is provided with a fixing clamp 61, and a silica gel clamping block 37 of the silica gel catheter seat outer sleeve 3 is fastened on the fixing clamp 61 after rotating 180 degrees; A flow stopping clamp 11 is arranged on the extension tube 10, and the flow stopping clamp 11 penetrates through the extension tube 10; one end of the extension tube 10 passes through the extension tube inner hole 31 of the silica gel catheter seat outer sleeve 3 and then is communicated with the Y-side through 47 of the catheter seat 4, the other end of the extension tube 10 is communicated with the pipeline hole 121 of the infusion interface three-way seat 12, a needleless infusion connector 13 is arranged on the interface 122 of the infusion interface three-way seat 12, and an end cap 14 is arranged on the side through interface 123 of the infusion interface three-way seat 12; one end of the extension tube 10 passes through the extension tube inner hole 31 of the silica gel catheter seat outer sleeve 3 and then is adhered to the Y-side through 47 of the catheter seat 4, and the other end of the extension tube 10 is adhered to the pipeline hole 121 of the infusion interface three-way seat 12; The needleless infusion connector 13 is screwed on the connector 122 of the three-way infusion connector seat 12 through luer threads, and the end cap 14 is screwed on the side opening connector 123 of the three-way infusion connector seat 12 through luer threads.
The invention can puncture by one hand and the working principle of the indwelling needle fixed by a U-shaped Gao Juping method:
As shown in fig. 9, before puncture, the needle handle 8 is pinched by the thumb and the index finger of the right hand to insert the needle at an angle of 15-30 degrees, the angle is reduced to 5-15 degrees after blood return is observed by the blood return window 33, and the angle is reduced to a small amount, so that the tip of the catheter is ensured to enter the blood vessel.
As shown in fig. 10, in the puncture, the finger push plate 64 is pressed by the thumb of the right hand, so that the push rod clamping head 65 is separated from the rear limit groove 94 of the needle handle fixing column 9 and enters the positioning slide groove 95, the finger push plate 64 is pushed forward, the catheter seat 4 is pushed forward by the push rod positioning column 62, the catheter 1 is pushed to enter a blood vessel, the effective length of the catheter 1 is set to be different according to different specifications, for example, the effective length of a 24G indwelling needle catheter is 19mm, the length of the corresponding positioning slide groove 95 is 19mm, the push rod can be guaranteed to be pushed forward by a sufficient distance, and the catheter can be guaranteed to be completely sent into the blood vessel; the whole tube placing process can be held by the left hand all the time to hold the puncture point, the whole tube conveying process can be completed only by right hand and single hand operation, the puncture success rate is improved, particularly the once successful tube placing rate is reduced, the damage to the vascular wall is reduced, the occurrence of clinical related complications is effectively reduced, the workload of nurses is reduced, the cooperation of two persons for puncture is not needed, the labor cost of a hospital is reduced, and meanwhile, the satisfaction degree of patients is improved.
As shown in fig. 11, after the catheter 1 completely enters the blood vessel, the puncture is completed, the silica gel clamping block 37 of the silica gel catheter jacket 3 is taken down from the fixing clamp 61 of the push rod 6, and is turned upwards by 180 degrees to the skin of a patient, so that the U-shaped fixation can be realized, meanwhile, as the design thickness of the silica gel clamping block is 3-5mm, the clinical high-lift platform method catheter fixation can be realized, the U-shaped Gao Juping method catheter fixation can be realized without winding the catheter by a medical adhesive tape by a nurse, the method is simple and convenient, the realization can be realized in one step, and the workload of clinical nurses is reduced; the U-shaped Gao Juping-method fixing design structure can reduce the occurrence rate of tube blocking, prolong the retention time, avoid repeated puncture, improve the working efficiency of nurses, ensure the fixation, avoid the occurrence of accidental tube drawing, reduce the winding fixation of rubberized fabric, reduce the occurrence of pressure sores, press the sleeve of the silica gel catheter seat by the left hand, hold the needle handle 8 by the right hand and withdraw the steel needle; the transparent application is used for tension-free fixation of the silica gel catheter jacket; the outer surface of the catheter seat 4 is provided with the silica gel catheter jacket 3 and the silica gel material, so that the compression of the traditional hard plastic material to the skin puncture point can be reduced, the occurrence of complications such as pressure sores and the like can be reduced, and the comfort level of patients is better.
In conclusion, the indwelling needle capable of being punctured by one hand and fixed by the U-shaped Gao Juping methods improves the success rate of clinical puncture, particularly has high success rate of one-time catheterization, reduces the damage to the vascular wall, effectively reduces the occurrence of clinical related complications, reduces the workload of nurses, does not need two persons to coordinate puncture, reduces the labor cost of hospitals and improves the satisfaction of patients; the invention can reduce the incidence of tube blockage by the single-hand puncture and the indwelling needle fixed by the U-shaped Gao Juping method, prolong the indwelling time, reduce the incidence of pressure sores, effectively reduce the incidence of clinical related complications, avoid repeated puncture, improve the working efficiency of nurses, improve the satisfaction degree of patients, and ensure firm fixation and avoid the occurrence of accidental tube drawing.
The technical problems, technical solutions and advantageous effects of the present invention have been further described in detail in the above embodiments, and it should be understood that the above embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (5)
1. An indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method is characterized by comprising a catheter (1), a rivet (2), a silica gel catheter seat jacket (3), a catheter seat (4), a isolating plug (5), a push rod (6), a steel needle (7), a needle handle (8), a needle handle fixing column (9), an extension tube (10), a flow stopping clamp (11), an infusion interface tee seat (12), a needleless infusion connector (13) and an end cap (14); an inner cavity (42) of the catheter seat (4) is sequentially provided with a limiting table (43), a positioning step (44) and a dispensing groove (41) from front to back; a rivet (2) is arranged at the limiting table (43), the rivet (2) is connected with one end of the guide pipe (1), and the other end of the guide pipe (1) passes through a small hole (45) of the guide pipe seat (4); a separation plug (5) is arranged at the positioning step (44), a front plane (52) of the separation plug (5) is overlapped with the positioning step (44), a groove (51) is arranged at the tail end of the separation plug (5), the groove (51) is parallel to the dispensing groove (41), and the separation plug (5) is fixed by dispensing; a silica gel catheter seat jacket (3) is fixed on the catheter seat (4); the front end of the needle handle fixing column (9) is provided with a steel needle hole (92), the tail end of the needle handle fixing column (9) is provided with a raised ring (91), the needle handle fixing column (9) is provided with a positioning chute (95), one end of the positioning chute (95) is provided with a front limit groove (93), and the other end of the positioning chute (95) is provided with a rear limit groove (94); One end of the steel needle (7) passes through the catheter (1), and the other end of the steel needle (7) is fixed on the needle handle fixing column (9) through the steel needle hole (92); the needle handle fixing column (9) passes through the positioning hole (82) of the needle handle (8), and the needle handle fixing column (9) is buckled in the groove (83) of the needle handle (8) through the bulge loop (91); the front end of the push rod (6) is provided with a positioning column (62), the tail end of the push rod (6) is provided with a finger push plate (64), a circular arc-shaped pressing groove (63) is arranged below the finger push plate (64), and a clamping head (65) is arranged below the circular arc-shaped pressing groove (63); one end of the push rod (6) is connected with the catheter seat (4) through the positioning column (62), the other end of the push rod (6) is sleeved on the needle handle fixing column (9) through the inner hole (66), the finger push plate (64) is clamped in the sliding groove (81), and the clamping head (65) is clamped in the positioning sliding groove (95) so as to realize front-back sliding; When the clamping head (65) moves to the rear limit groove (94), the clamping head (65) is clamped in the rear limit groove (94) to realize rear positioning; when the finger push plate (64) is pressed, the finger push plate (64) can move up and down in the circular arc-shaped pressing groove (63), the clamping head (65) can be pressed into the positioning sliding groove (95), the push rod (6) is pushed forward, the push rod (6) can be moved forward, when the finger push plate moves to the front limiting groove (93), the clamping head (65) is clamped in the front limiting groove (93), the finger push plate (64) is pressed, the clamping head (65) can be pressed into the positioning sliding groove (95) again, and the push rod (6) is pushed backward, so that the push rod (6) can move backward; one end of the extension tube (10) passes through an extension tube inner hole (31) of the silica gel catheter seat jacket (3) and then is communicated with a Y-side port (47) of the catheter seat (4), the other end of the extension tube (10) is communicated with a pipeline hole (121) of the infusion interface three-way seat (12), a needleless infusion connector (13) is arranged on an interface (122) of the infusion interface three-way seat (12), and an end cap (14) is arranged on a side port (123) of the infusion interface three-way seat (12); a flow stopping clamp (11) is arranged on the extension tube (10), and the flow stopping clamp (11) penetrates through the extension tube (10); a blood return window (33) is arranged on the silica gel catheter seat outer sleeve (3), and a groove (38) is arranged on a silica gel clamping block (37) of the silica gel catheter seat outer sleeve (3); One end of the extension tube (10) passes through an extension tube inner hole (31) of the silica gel catheter seat jacket (3) and then is adhered to a Y-side through (47) of the catheter seat (4), and the other end of the extension tube (10) is adhered to a pipeline hole (121) of the infusion interface tee seat (12); the silica gel catheter seat outer sleeve (3) is fixed on the catheter seat (4) through the inner hole (32), the front end surface (46) of the catheter seat (4) is overlapped with the inner plane (34) of the silica gel catheter seat outer sleeve (3), the Y-side through (47) of the catheter seat (4) is concentric with the silica gel Y-side through (35) of the silica gel catheter seat outer sleeve (3), and the front end surface of the Y-side through (47) is overlapped with the inner plane of the silica gel Y-side through (35); The catheter seat (4) is provided with an upward Y-side through (47), and an included angle between the Y-side through (47) and the central axis of the catheter seat is smaller than or equal to 90 degrees; the push rod (6) is provided with a fixing clamp (61), and a silica gel clamping block (37) of the silica gel catheter seat jacket (3) is buckled on the fixing clamp (61) after rotating 180 degrees.
2. The indwelling needle which can be pierced by one hand and is fixed by the U-shaped Gao Juping method according to claim 1, wherein the catheter (1) is assembled to the rivet (2) through flaring, and the rivet (2) is pressed into the limit table (43) in the catheter seat (4) through pressing.
3. The indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method according to claim 1, wherein a fixed wing structure (39) is arranged on the silica gel catheter seat outer sleeve (3).
4. The indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method according to claim 1, wherein the push rod (6) is assembled into the inner cavity (42) of the catheter seat (4) through the positioning column (62), and the rear end face (48) of the catheter seat (4) is overlapped with the bottom end face (67) of the positioning column (62).
5. The indwelling needle capable of being punctured by one hand and fixed by a U-shaped Gao Juping method according to claim 1, wherein the needleless infusion connector (13) is screwed on the connector (122) of the infusion connector tee (12) through luer threads, and the end cap (14) is screwed on the side through connector (123) of the infusion connector tee (12) through luer threads.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910692200.0A CN110251775B (en) | 2019-07-30 | 2019-07-30 | Indwelling needle capable of being punctured by one hand and fixed by U-shaped Gao Juping methods |
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| CN201910692200.0A CN110251775B (en) | 2019-07-30 | 2019-07-30 | Indwelling needle capable of being punctured by one hand and fixed by U-shaped Gao Juping methods |
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| CN110251775A CN110251775A (en) | 2019-09-20 |
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| CN110585526B (en) * | 2019-10-29 | 2024-05-31 | 内蒙古民族大学附属医院 | Infusion device with non-return function for low-speed infusion |
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|---|---|---|---|---|
| CN102716541A (en) * | 2012-03-03 | 2012-10-10 | 许春燕 | Disposable single hand insertion tube type vein detaining needle |
| CN208598912U (en) * | 2018-02-01 | 2019-03-15 | 程孝惠 | A kind of remaining needle |
| CN211132465U (en) * | 2019-07-30 | 2020-07-31 | 刘浩浩 | Novel indwelling needle capable of being punctured by single hand and fixed by U-shaped high-lift platform method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2387465C1 (en) * | 2008-11-25 | 2010-04-27 | Институт прикладной механики Уральского отделения Российской Академии Наук | Method for ulnar vein catheterisation and multiple-dose intravenous drug introduction |
| CN203447619U (en) * | 2013-08-13 | 2014-02-26 | 上海市杨浦区中心医院 | U-shaped fixing plate for venous detaining catheter |
| CN206381399U (en) * | 2016-10-12 | 2017-08-08 | 中国医科大学附属第一医院 | The nasal feeding stomach tube of pressure sore prevention |
| RU2655449C1 (en) * | 2017-02-14 | 2018-05-28 | Антон Александрович Касаткин | Method for internal jugular catheterisation by lateral access |
| CN207837562U (en) * | 2017-04-12 | 2018-09-11 | 侯颖萍 | Multi-functional remaining needle |
| CN108785797B (en) * | 2018-07-25 | 2023-09-22 | 四川省肿瘤医院 | A safe applicator for fixing scalp needles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716541A (en) * | 2012-03-03 | 2012-10-10 | 许春燕 | Disposable single hand insertion tube type vein detaining needle |
| CN208598912U (en) * | 2018-02-01 | 2019-03-15 | 程孝惠 | A kind of remaining needle |
| CN211132465U (en) * | 2019-07-30 | 2020-07-31 | 刘浩浩 | Novel indwelling needle capable of being punctured by single hand and fixed by U-shaped high-lift platform method |
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