CN108543131A - Haemodialysis indwelling buttonhole needle - Google Patents
Haemodialysis indwelling buttonhole needle Download PDFInfo
- Publication number
- CN108543131A CN108543131A CN201810477205.7A CN201810477205A CN108543131A CN 108543131 A CN108543131 A CN 108543131A CN 201810477205 A CN201810477205 A CN 201810477205A CN 108543131 A CN108543131 A CN 108543131A
- Authority
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- China
- Prior art keywords
- needle
- buttonhole
- indwelling
- hole
- blunt needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001631 haemodialysis Methods 0.000 title claims abstract description 20
- 238000000502 dialysis Methods 0.000 claims abstract description 19
- 239000000084 colloidal system Substances 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 206010039509 Scab Diseases 0.000 abstract description 12
- 210000004204 blood vessel Anatomy 0.000 abstract description 9
- 230000000717 retained effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 13
- 210000001367 artery Anatomy 0.000 description 8
- 230000002792 vascular Effects 0.000 description 7
- 206010016717 Fistula Diseases 0.000 description 6
- 230000003890 fistula Effects 0.000 description 6
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 206010049244 Ankyloglossia congenital Diseases 0.000 description 3
- 230000000322 hemodialysis Effects 0.000 description 3
- 208000015181 infectious disease Diseases 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 206010028980 Neoplasm Diseases 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 201000011066 hemangioma Diseases 0.000 description 2
- 230000023597 hemostasis Effects 0.000 description 2
- 230000002439 hemostatic effect Effects 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 208000009304 Acute Kidney Injury Diseases 0.000 description 1
- 206010002329 Aneurysm Diseases 0.000 description 1
- 208000009087 False Aneurysm Diseases 0.000 description 1
- 208000034906 Medical device complication Diseases 0.000 description 1
- 208000034888 Needle issue Diseases 0.000 description 1
- 208000033626 Renal failure acute Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 206010048975 Vascular pseudoaneurysm Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 201000011040 acute kidney failure Diseases 0.000 description 1
- 208000012998 acute renal failure Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004796 pathophysiological change Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
-
- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
- A61M2202/0413—Blood
Abstract
The invention discloses a kind of haemodialysis indwelling buttonhole needles, by being equipped with hole at the middle part of buttonhole, it is equipped with safe edge in the outer end of indwelling buttonhole, occluder and blunt needle are equipped in hole, it is equipped with blunt needle seat in the rear end of blunt needle, it is equipped with handle in the both sides of blunt needle seat, trocar hole is equipped in the tube wall of the tip of blunt needle, trocar is equipped in trocar hole, it is equipped with the external screw thread seat containing rotating handle in the rear end of trocar, it is equipped with internal thread hole in the rear end of blunt needle seat, the dialysis tubing for being connected to blunt needle endoporus is additionally provided in the rear end of blunt needle seat.Compared with prior art, the present invention can both become blunt needle, can also become sharp needle, it is not easy to puncture blood vessel, is also not easy to stab medical staff, the accuracy of inserting needle also higher, indwelling buttonhole can be retained in patient's body, finishing operations get up very convenient, ensure that three is same, it is not easy to form scab, requirement to nurse is not also high, a nurse need not be fixed, puncture is repeated, without except scab before puncturing, improve safety.
Description
Technical field
The invention belongs to a kind of medical instruments field, especially a kind of haemodialysis indwelling buttonhole needle.
Background technology
In clinical position, haemodialysis is to treat the important method of the diseases such as acute or chronic renal failure, dialysis patient
In there are about 20% because vascular access complications need hospitalization, puncture vessel access is inevitable repeatedly, and puncture can cause
Vascular wall mechanical injuries, cause vascular wall that some row pathophysiological changes occur, and the common complication of puncture has：Bleeding,
Puncture failure, hemotoncus, aneurysm, thrombus, narrow etc., and often result in internal fistula and lose work(, vascular access is that maintenance hemodialysis patient is " raw
Order line ", most hemodialysis patients are all made of Autogenous arteriovenous blood vessel internal fistula as long term vascular access, therefore, in arteriovenous
The quality that fistula is safeguarded directly affects the service life of vascular access and the dialysis quality and life quality of patient, puncture side
Method includes mainly：Field method, rope ladder method, buttonhole method respectively have its pros and cons, field method to have puncture success rate height, pain relatively light, sick
People is ready to receive, to the low advantage of blood vessel requirement, it is insufficient punctured repeatedly with part, local damage is serious, it is narrow, dynamic to be also easy to produce
Arteries and veins tumor occur it is high, rope ladder method have point of puncture be uniformly distributed, conducive to vascular repair, blood vessel dilatation uniformly, be not easy to form blood vessel
The advantages that tumor, but this method is there are venipuncture difficulty height, puncture failure rate is high, pain is apparent, it is high not to vascular conditions requirement
Foot, buttonhole method carry out fixed point puncture, and tissue damage is small, the advantages that having puncture success rate height, be less prone to complication, and patient
Pain is light, is ready to receive, currently, buttonhole puncturing method has been the piercing method of internationally recognized self internal fistula, so-called " buttonhole puncturing
Method ", i.e., it is both to need to accomplish that three is same, and by same using identical entry point, needle angle, depth of needle to puncture all every time
Name nurse punctures 6-8 time or so formation hypodermic tunnel repeatedly, and the scab of tunnel face is " buttonhole ", and carrying out puncturing in the future need to be
The scab of buttonhole is gently picked after disinfection skin, changes blunt needle and is slowly pushed from buttonhole, you can enter blood vessel, buttonhole along tunnel
The fistula-induced complication incidence that method punctures is significantly lower than region puncture method, while not high to the length requirement of arterial-venous fistula, is suitble to
All hemodialysis patients, the especially inadequate patient of blood vessel resource, still, since buttonhole puncturing requires nurse's technology high, nurse
Pressure is big, is unwilling to receive buttonhole puncturing, and needs to remove scab before puncturing, time-consuming too long, also influences the acceptance level of nurse, and right
For patient, soak is carried out before implementing buttonhole puncturing and scab is gone in disinfection, need patient to be advanced to blood dialysis room and be delayed
The machine time, operation is complex, costly, in addition, buttonhole puncturing is easy to increase the danger of infection, these all make patient be reluctant
Meaning receives buttonhole puncturing, further, since disposable blood dialysis needle needle point is sharp keen, is on the one hand easy to puncture blood in piercing process
Pipe, on the other hand, draw point is easy to stab nursing staff during tube drawing, although currently, also having the indwelling of dialysis
Needle, still, remaining needle are easy to fracture, and have the risk of abjection bleeding, the remaining needle of this dialysis also made can not be significantly wide
General application.
Invention content
Technical problem to be solved by the invention is to provide a kind of haemodialysis indwelling buttonhole needles, not only operate more
Simplicity, the requirement to nurse is not also high, without except scab, also not allowing easy infection and to lead to hemangioma before puncturing, does not also allow in addition
Blood vessel easily is punctured, draw point is also not easy to stab nursing staff, more securely and reliably and conveniently during tube drawing.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Including indwelling buttonhole (1), feature exists
In：It is equipped with safe edge (5) in the outer end of the indwelling buttonhole (1), hole (4) are equipped at the middle part of indwelling buttonhole (1), in hole (4)
Equipped with occluder and blunt needle (3), it is equipped with blunt needle seat (8) in the rear end of blunt needle (3), handle is equipped in the both sides of blunt needle seat (8)
(9), it is equipped with trocar hole (16) in the tube wall of the tip of blunt needle (3), trocar (10) is equipped in trocar hole (16), in trocar
(10) rear end is equipped with external screw thread seat (12), and rotating handle (13) is equipped in the rear end of outer threaded block (12), corresponding in blunt needle
The rear end of seat (8) is equipped with internal thread hole (11), and the dialysis tubing for being connected to blunt needle (3) endoporus is additionally provided in the rear end of blunt needle seat (8)
(14), the occluder is：It is equipped at least one air bag (2) on the hole wall of hole (4), Valve for aerocyst is equipped on safe edge
(15)；
Alternatively, being equipped with soft colloid (20) in hole (4), blunt needle (3) setting is in soft colloid (20).
Above-mentioned occluder priority is：It is equipped at least one air bag (2) on the hole wall of hole (4), is equipped on safe edge
Valve for aerocyst (15)；
As the improvement project of the first above-mentioned technical solution, outer silk section is equipped in the outside of the indwelling buttonhole (1)
(17), the outside of the corresponding section of silk outside (17) is equipped with interior silk braid (18), and silk section (17) is equipped with scale (19) outside, more
Add accurate.
As a further improvement, the blunt needle (3) is preferably rigid plastics, safety higher.
As further improving, rubber stopper (7), the shapes and sizes of rubber stopper (7) are equipped on the safe edge (5)
It is adapted with the shapes and sizes of hole (4), hangers (6) is equipped in the both sides of safe edge (5), it is more convenient to use.
As the application method of above-mentioned haemodialysis indwelling buttonhole needle, rotation rotating handle is by the needle point of trocar from trocar hole inward turning
Go out, blunt needle has reformed into sharp needle, and suitable angle is selected to be punctured, and according to adjusting indwelling buttonhole the case where inserting needle at any time
Length, after puncturing arteries blood vessel, the needle point of trocar is retracted into trocar hole by rotation rotating handle, prevents from piercing through arteries, just
It can dialyse, after dialysis, by airbag aeration, then extract blunt needle, indwelling buttonhole is retained in patient's body, uses frenulum
It penetrates in hangers, is fixed on the arm of patient, subsequent dialysis, it is only necessary to first extract the gas in air bag out, you can from staying
Inserting needle at the hole on buttonhole is set, and according to circumstances converts blunt needle or sharp needle at any time.
As the improvement project of above-mentioned second of technical solution, it is equipped with outer silk section in the outside of the indwelling buttonhole, with
The outside of the corresponding section of silk outside be equipped with interior silk braid, the length of indwelling buttonhole can be adjusted, be suitble to different people to use, outside
Silk section is equipped with scale, more accurately.
As further improving, the rear end of the soft colloid (20) be equipped with extend to it is convex on the outside of safe edge (5)
Side (21), center on the outside of chimb (21) are equipped with inserting needle pit (22), and hangers (6) is equipped in the both sides of safe edge (5), using rising
Come more convenient.
As the application method of above-mentioned haemodialysis indwelling buttonhole needle, rotation rotating handle is by the needle point of trocar from trocar hole inward turning
Go out, blunt needle has reformed into sharp needle, and suitable angle is selected to be punctured, and according to adjusting indwelling buttonhole the case where inserting needle at any time
Length, after puncturing arteries blood vessel, the needle point of trocar is retracted into trocar hole by rotation rotating handle, prevents from piercing through arteries, just
It can dialyse, after dialysis, directly extract blunt needle, indwelling buttonhole is retained in patient's body, hangers is penetrated with frenulum
It is interior, be fixed on the arm of patient, subsequent dialysis, only need to by blunt needle be aligned inserting needle pit puncture, and according to circumstances with
Shi Bianhuan blunt needles or sharp needle.
The present invention is equipped with safe edge by being equipped with hole at the middle part of buttonhole, in the outer end of indwelling buttonhole, and blunt needle is equipped in hole,
It is equipped with blunt needle seat in the rear end of blunt needle, handle is equipped in the both sides of blunt needle seat, trocar hole is equipped in the tube wall of the tip of blunt needle,
It is equipped with trocar in trocar hole, external screw thread seat is equipped in the rear end of trocar, rotating handle is equipped in the rear end of outer threaded block, in blunt needle seat
Rear end be equipped with internal thread hole, the dialysis tubing for being connected to blunt needle endoporus is additionally provided in the rear end of blunt needle seat, compared with prior art,
The present invention can both become blunt needle, can also become sharp needle, it is not easy to puncture blood vessel, also be not easy to stab medical staff, the essence of inserting needle
Indwelling buttonhole, can be retained in patient's body, finishing operations get up very convenient by true property also higher, it is easy to accomplish that three is same,
Be not easily formed scab, the requirement to nurse is not also high, need not fix a nurse and be repeated puncture, before puncturing without
Except scab.
Description of the drawings
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1.
Fig. 2 is the structural schematic diagram of blunt needle in Fig. 1.
Fig. 3 is the schematic cross-sectional view of Fig. 2.
Fig. 4 is the structural schematic diagram that blunt needle leaks out trocar in Fig. 2.
Fig. 5 is the structural schematic diagram of the embodiment of the present invention 2.
Fig. 6 is the structural schematic diagram after buttonhole rotation length in Fig. 5.
Fig. 7 is the structural schematic diagram of the embodiment of the present invention 3.
Fig. 8 is the structural schematic diagram of the embodiment of the present invention 4.
Fig. 9 is the structural schematic diagram of the embodiment of the present invention 5.
As shown in the figure：1 is indwelling buttonhole, and 2 be air bag, and 3 be blunt needle, and 4 be hole, and 5 be safe edge, and 6 be hangers, and 7 be rubber stopper,
8 be blunt needle seat, and 9 be handle, and 10 be trocar, and 11 be internal thread hole, and 12 be external screw thread seat, and 13 be rotating handle, and 14 be dialysis tubing, and 15 are
Valve for aerocyst, 16 be trocar hole, and 17 be outer silk section, and 18 be interior silk braid, and 19 be scale, and 20 be soft colloid, and 21 be chimb, 22 for into
Needle pit.
Specific implementation mode
Embodiment 1：Referring to Fig.1-Fig. 4 is the structural schematic diagram of the embodiment of the present invention 1, hole is equipped in indwelling buttonhole 1
4, it is equipped with air bag 2 at the hole wall in hole 4, is equipped with safe edge 5 in the rear end of indwelling buttonhole 1, Valve for aerocyst 15 is equipped on safe edge 5,
The both sides of safe edge 5 are additionally provided with hangers 6, and rubber stopper 7, the shape of the shapes and sizes and hole 4 of rubber stopper 7 are additionally provided on safe edge 5
It is adapted with size, blunt needle 3 is equipped in hole 4, blunt needle seat 8 is equipped in the rear end of blunt needle 3, hand is equipped in the both sides of blunt needle seat 8
Handle 9 is equipped with trocar hole 16 in the tube wall of the tip of blunt needle 3, and trocar 10 is equipped in trocar hole 16, is set in the rear end of trocar 10
There is external screw thread seat 12, rotating handle 13 is equipped in the rear end of outer threaded block 12, it is corresponding to be equipped with internal thread in the rear end of blunt needle seat 8
Hole 11 is additionally provided with the dialysis tubing 14 for being connected to 3 endoporus of blunt needle in the rear end of blunt needle seat 8.
In use, first by experienced nurse operation, rotation rotating handle 13 screws out the needle point of trocar 10 out of trocar hole 16,
Blunt needle 3 has reformed into sharp needle, and suitable angle is selected to be punctured, and after puncturing arteries blood vessel, rotates rotating handle 13 by trocar 10
Needle point be retracted into trocar hole 16, prevent from piercing through arteries, so that it may to dialyse, after dialysis, by airbag aeration,
Blunt needle 3 is extracted again, the blunt needle of extraction is not easy to stab medical staff, and due to the sealing process of air bag, arterial blood will not flow out, then
By the plug of rubber stopper 7 in hole 4, preliminary hemostasis can be carried out, pull out can be engraved in after needle skin penetrating press routine care again to
Pressur hemostatic is given, can accomplish, to the Pressur hemostatic simultaneously of point of puncture at two, to reduce the generation of false aneurysm simultaneously, it is especially fertile
Fat patient outcome can be more preferable, after hemostasis, indwelling buttonhole 1 is retained in patient's body, is penetrated into hangers 6, is fixed on frenulum
On the arm of patient, later dialysis without progress soak and goes scab, without high-tech without pulling out indwelling buttonhole 1
Nurse need not fix a nurse and puncture is repeated, it is only necessary to open rubber stopper 7, the gas in air bag 2 is taken out, then uses
New blunt needle 3 is pierced into the arteries into patient along hole 4, if blunt needle 3 is not easily accessed, blunt needle can also be become to sharp needle to be made
With operating very easy, it is easy to accomplish that three is same, it is not easy to form scab, the requirement to nurse is not also high, before puncturing
Without removing scab, do not allow easy infection yet and lead to hemangioma, and the material of blunt needle 3 can use plastics, safety higher.
Embodiment 2：It is the structural schematic diagram of the embodiment of the present invention 2, compared with Example 1, embodiment with reference to Fig. 5-Fig. 6
2 the difference is that：It is equipped with outer silk section 17 in the outside of indwelling buttonhole 1, the outside of the corresponding section of silk outside 17 is equipped with
Interior silk braid 18 can adjust the length of indwelling buttonhole 1, and different people is suitble to use, fat patient can adjust it is longer, it is thin
Patient can adjust shorter, and practicability is stronger.
Embodiment 3：It is the structural schematic diagram of the embodiment of the present invention 3, compared with Example 2, embodiment 3 is not with reference to Fig. 7
It is with place：3 air bags are equipped at the hole wall in hole 4, the effect of sealing is more preferable, relatively reliable.
Embodiment 4：It is the structural schematic diagram of the embodiment of the present invention 4, compared with Example 3, embodiment 4 is not with reference to Fig. 8
It is with place：The outside of silk section 17 is more accurately easy to the indwelling buttonhole 1 more renewed equipped with scale 19 outside
Determine length, it is more convenient to use.
Embodiment 5：It is the structural schematic diagram of the embodiment of the present invention 5, compared with Example 4, embodiment 5 is not with reference to Fig. 9
It is with place：It is provided with soft colloid 20 in hole 4, is equipped in the rear end of soft colloid 20 and extends to the convex of 5 outside of safe edge
Side 21 is equipped with inserting needle pit 22 at the center in 21 outside of chimb.
In use, rotation rotating handle 13 is screwed out the needle point of trocar 10 out of trocar hole 16, blunt needle 3 has reformed into sharp needle,
Tip alignment inserting needle pit 22 is pierced into, blunt needle 3 by hole 4 due to being limited, it is possible to ensure the angle of inserting needle, when tube drawing
Without capsule is inflated, more convenient to use, sealing effect is also more preferable.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, several changes and improvements can also be made, and be not limited to blood
It is used in liquid dialysis, while can be used as the use of the remaining needle in various other treatments, these belong to the protection of the present invention
Range.
Claims (9)
1. a kind of haemodialysis indwelling buttonhole needle, including indwelling buttonhole (1), it is characterised in that：In the outer of the indwelling buttonhole (1)
End is equipped with safe edge (5), is equipped with hole (4) at the middle part of indwelling buttonhole (1), occluder and blunt needle (3) is equipped in hole (4), blunt
The rear end of needle (3) is equipped with blunt needle seat (8), handle (9) is equipped in the both sides of blunt needle seat (8), in the tube wall of the tip of blunt needle (3)
Equipped with trocar hole (16), it is equipped with trocar (10) in trocar hole (16), external screw thread seat (12) is equipped in the rear end of trocar (10),
The rear end of external screw thread seat (12) is equipped with rotating handle (13), corresponding to be equipped with internal thread hole (11) in the rear end of blunt needle seat (8),
The rear end of blunt needle seat (8) is additionally provided with the dialysis tubing (14) for being connected to blunt needle (3) endoporus, and the occluder is：
It is equipped at least one air bag (2) on the hole wall of hole (4), Valve for aerocyst (15) is equipped on safe edge；
Alternatively, being equipped with soft colloid (20) in hole (4), blunt needle (3) setting is in soft colloid (20).
2. haemodialysis indwelling buttonhole needle according to claim 1, it is characterised in that：In the indwelling buttonhole (1)
Outside is equipped with outer silk section (17), and the outside of the corresponding section of silk outside (17) is equipped with interior silk braid (18), outside in silk section (17)
Equipped with scale (19).
3. haemodialysis indwelling buttonhole needle according to claim 1 or 2, it is characterised in that：The blunt needle (3) is hard
Plastics.
4. haemodialysis indwelling buttonhole needle according to claim 1 or 2, it is characterised in that：It is set on the safe edge (5)
There are rubber stopper (7), the shapes and sizes of rubber stopper (7) to be adapted with the shapes and sizes of hole (4), is set in the both sides of safe edge (5)
There is hangers (6).
5. haemodialysis indwelling buttonhole needle according to claim 3, it is characterised in that：It is equipped on the safe edge (5)
The shapes and sizes of rubber stopper (7), rubber stopper (7) are adapted with the shapes and sizes of hole (4), are equipped in the both sides of safe edge (5)
Hangers (6).
6. haemodialysis indwelling buttonhole needle according to claim 1 or 2, it is characterised in that：In the soft colloid
(20) rear end is equipped with the chimb (21) extended on the outside of safe edge (5), and the center on the outside of chimb (21) is equipped with inserting needle pit
(22), it is equipped with hangers (6) in the both sides of safe edge (5).
7. haemodialysis indwelling buttonhole needle according to claim 3, it is characterised in that：In the soft colloid (20)
Rear end is equipped with the chimb (21) extended on the outside of safe edge (5), and the center on the outside of chimb (21) is equipped with inserting needle pit (22), is protecting
The both sides on side (5) are equipped with hangers (6).
8. haemodialysis indwelling buttonhole needle according to claim 4, it is characterised in that：In the soft colloid (20)
Rear end is equipped with the chimb (21) extended on the outside of safe edge (5), and the center on the outside of chimb (21) is equipped with inserting needle pit (22), is protecting
The both sides on side (5) are equipped with hangers (6).
9. haemodialysis indwelling buttonhole needle according to claim 5, it is characterised in that：In the soft colloid (20)
Rear end is equipped with the chimb (21) extended on the outside of safe edge (5), and the center on the outside of chimb (21) is equipped with inserting needle pit (22), is protecting
The both sides on side (5) are equipped with hangers (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810477205.7A CN108543131B (en) | 2018-05-18 | 2018-05-18 | Hemodialysis detaining buttonhole needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810477205.7A CN108543131B (en) | 2018-05-18 | 2018-05-18 | Hemodialysis detaining buttonhole needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108543131A true CN108543131A (en) | 2018-09-18 |
| CN108543131B CN108543131B (en) | 2024-03-01 |
Family
ID=63495147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810477205.7A Active CN108543131B (en) | 2018-05-18 | 2018-05-18 | Hemodialysis detaining buttonhole needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108543131B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109568720A (en) * | 2018-11-29 | 2019-04-05 | 厦门大学附属第医院（厦门市第医院、厦门市红十字会医院、厦门市糖尿病研究所） | A kind of haemodialysis internal fistula buttonhole puncturing indwelling needle device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2115078U (en) * | 1992-03-10 | 1992-09-09 | 燕相山 | Biopsy apparatus for pleura and peritonaeum |
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