CN215821092U - Special guide pin locator of arteriovenous internal fistula puncture - Google Patents
Special guide pin locator of arteriovenous internal fistula puncture Download PDFInfo
- Publication number
- CN215821092U CN215821092U CN202120039252.0U CN202120039252U CN215821092U CN 215821092 U CN215821092 U CN 215821092U CN 202120039252 U CN202120039252 U CN 202120039252U CN 215821092 U CN215821092 U CN 215821092U
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- Prior art keywords
- puncture
- groups
- cylinder
- guide pin
- internal fistula
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- Expired - Fee Related
Links
- 206010016717 Fistula Diseases 0.000 title claims abstract description 22
- 230000003890 fistula Effects 0.000 title claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000011521 glass Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000001631 haemodialysis Methods 0.000 description 2
- 230000000322 hemodialysis Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 206010003226 Arteriovenous fistula Diseases 0.000 description 1
- 230000003872 anastomosis Effects 0.000 description 1
- 230000008321 arterial blood flow Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a guide pin positioner special for arteriovenous internal fistula puncture, which comprises a fixed seat, wherein two groups of T-shaped chutes are formed in the fixed seat, T-shaped sliding blocks are arranged in the two groups of T-shaped chutes, a first threaded hole is formed in one group of T-shaped sliding blocks, a threaded rod is penetrated in the first threaded hole, moving seats are arranged on the two groups of T-shaped chutes, and puncture grooves are formed in the moving seats and the fixed seat; the movable seat is provided with two groups of supporting plates, a positioning cylinder is arranged between the two groups of supporting plates, one end of the connecting pin is provided with a turntable, the supporting plates are provided with a plurality of groups of limiting holes, and the turntable is provided with a limiting pin; a puncture cylinder is arranged in the positioning cylinder, a rectangular sliding groove is formed in the inner peripheral side of the positioning cylinder, a handle is arranged on one side of the rectangular sliding block, and a puncture needle is arranged at the bottom end of the puncture cylinder; a plurality of groups of scale grooves are formed in the fixed seat, the rotary table and the positioning cylinder; when the utility model is used, the position and the angle of the needle insertion and the depth of the needle insertion can be adjusted, the puncture deviation can not occur, and the pain of a patient is relieved.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a guide pin positioner special for arteriovenous internal fistula puncture.
Background
Arteriovenous internal fistula is one of surgical operations and is mainly used for hemodialysis treatment. The arteriovenous internal fistula is a small operation for blood vessel anastomosis, wherein an artery at the part of a forearm close to a wrist and an adjacent vein are sutured, so that arterial blood flows in the anastomosed vein to form an arteriovenous internal fistula. In hemodialysis, an intra-venous fistula puncture must be performed to establish a vascular access; however, the guide pin locator special for puncture in the prior art has a single function, and the needle inserting position, the needle inserting angle and the needle inserting depth cannot be accurately adjusted during puncture, so that the deviation is easy to occur during puncture, the success rate of puncture surgery is influenced, multiple times of puncture is needed, and the pain of patients is increased.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a guide pin positioner special for arteriovenous fistula puncture, which aims to solve the technical problems that in the prior art, the guide pin positioner special for puncture has a single function, and the needle inserting position, the needle inserting angle and the needle inserting depth cannot be accurately adjusted during puncture, so that deviation is easy to occur during puncture, the success rate of puncture surgery is influenced, multiple punctures are needed, and the pain of a patient is increased.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a guide pin positioner special for arteriovenous internal fistula puncture comprises a fixed seat, wherein two groups of T-shaped chutes are formed in the fixed seat, T-shaped sliding blocks are arranged in the two groups of T-shaped chutes, first threaded holes are formed in one group of T-shaped sliding blocks, threaded rods are arranged in the first threaded holes in a penetrating manner, moving seats are arranged on the two groups of T-shaped chutes, and puncture grooves are formed in the moving seats and the fixed seat; the movable seat is provided with two groups of supporting plates, a positioning cylinder is arranged between the two groups of supporting plates, the supporting plates are connected with the positioning cylinder through connecting pins, a turntable is arranged at one end of each connecting pin, a plurality of groups of limiting holes are formed in the supporting plates, and limiting pins are arranged on the turntable; a puncture cylinder is arranged in the positioning cylinder, a rectangular sliding groove is formed in the inner peripheral side of the positioning cylinder, the puncture cylinder is clamped in the rectangular sliding groove through a rectangular sliding block, a handle is arranged on one side of the rectangular sliding block, and a puncture needle is arranged at the bottom end of the puncture cylinder; the fixing base the carousel and all seted up multiunit scale groove on the location section of thick bamboo, the fixing base bottom is provided with two sets of centre gripping subassemblies.
According to the preferable technical scheme, the clamping assembly comprises a clamping plate, a fixed plate is connected with the fixed seat through a supporting column, the clamping plate is arranged in the fixed plate, a second threaded hole is formed in one side of the clamping plate, a pin shaft seat is arranged on one side of the fixed plate, and a screw rod penetrates through the second threaded hole and the pin shaft seat.
As a preferred technical scheme, a plurality of groups of anti-skidding grooves are formed in the clamping plate and one side of the clamping plate; and one end of the screw rod is provided with a knob.
As a preferred technical scheme, one end of the threaded rod is provided with a rocking wheel, one side of the rocking wheel is provided with a handle, and a movable sleeve is sleeved on the handle.
As a preferable technical scheme of the utility model, the top end of the puncture cylinder is connected with a magnifying glass through a support frame.
As a preferred technical scheme of the utility model, the support plate is provided with an indicator.
As the preferred technical scheme of the utility model, the bottom of the fixed seat is provided with a silica gel pad.
The utility model provides a guide pin positioner special for arteriovenous internal fistula puncture, which has the following beneficial effects:
when the puncture needle inserting device is used, the threaded rod is rotated to enable the T-shaped sliding block to slide in the T-shaped sliding groove, meanwhile, the movable seat can be driven to move to adjust the needle inserting position, the rotary table is rotated to drive the connecting pin and the positioning cylinder to rotate, the angle adjustment of the puncture cylinder and the puncture needle is realized, the sliding handle drives the rectangular sliding block and the puncture cylinder to move in the positioning cylinder, the needle inserting depth can be adjusted, accurate adjustment can be carried out through the scale groove, and the practicability is improved.
Drawings
FIG. 1 is a schematic perspective view of a needle guide locator for arteriovenous internal fistula puncture according to the present invention;
FIG. 2 is an exploded view of a guide pin positioner for arteriovenous internal fistula puncture according to the present invention;
fig. 3 is an enlarged view of the area a in fig. 2.
In the figure: 1. a fixed seat; 2. puncturing grooves; 3. a T-shaped chute; 4. a T-shaped slider; 5. a first threaded hole; 6. a threaded rod; 7. a movable seat; 8. a support plate; 9. a connecting pin; 10. a positioning cylinder; 11. a turntable; 12. a limiting hole; 13. a spacing pin; 14. a scale groove; 15. an indicator mark; 16. a rectangular chute; 17. A puncture cylinder; 18. a rectangular slider; 19. a handle; 20. puncturing needle; 21. a support pillar; 22. a fixing plate; 23. a clamping plate; 24. a second threaded hole; 25. a pin shaft seat; 26. a screw rod; 27. a knob; 28. An anti-slip groove; 29. shaking the wheel; 30. a handle; 31. a movable sleeve; 32. a silica gel pad; 33. a magnifying glass.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, the present invention provides a technical solution:
a guide pin positioner special for arteriovenous internal fistula puncture comprises a fixed seat 1, wherein two groups of T-shaped chutes 3 are formed in the fixed seat 1, T-shaped sliding blocks 4 are arranged in the two groups of T-shaped chutes 3, first threaded holes 5 are formed in one group of T-shaped sliding blocks 4, threaded rods 6 are penetrated in the first threaded holes 5, moving seats 7 are arranged on the two groups of T-shaped chutes 3, and puncture grooves 2 are formed in the moving seats 7 and the fixed seat 1; two groups of supporting plates 8 are arranged on the moving seat 7, a positioning cylinder 10 is arranged between the two groups of supporting plates 8, the supporting plates 8 are connected with the positioning cylinder 10 through connecting pins 9, a rotating disc 11 is arranged at one end of each connecting pin 9, a plurality of groups of limiting holes 12 are formed in the supporting plates 8, and limiting pins 13 are arranged on the rotating discs 11; a puncture cylinder 17 is arranged in the positioning cylinder 10, a rectangular sliding groove 16 is formed in the inner peripheral side of the positioning cylinder 10, the puncture cylinder 17 is clamped in the rectangular sliding groove 16 through a rectangular sliding block 18, a handle 19 is arranged on one side of the rectangular sliding block 18, and a puncture needle 20 is arranged at the bottom end of the puncture cylinder 17; the fixing base 1, carousel 11 and all seted up multiunit scale groove 14 on the location section of thick bamboo 10, 1 bottom of fixing base is provided with two sets of centre gripping subassemblies.
When the guide pin positioner special for arteriovenous internal fistula puncture is used, two groups of T-shaped chutes 3 are formed in a fixed seat 1, T-shaped sliding blocks 4 are arranged in the two groups of T-shaped chutes 3, first threaded holes 5 are formed in one group of T-shaped sliding blocks 4, threaded rods 6 penetrate through the first threaded holes 5, moving seats 7 are arranged on the two groups of T-shaped chutes 3, the T-shaped sliding blocks 4 slide in the T-shaped chutes 3 by rotating the threaded rods 6, and meanwhile, the moving seats 7 can be driven to adjust the needle inserting position; the movable seat 7 is provided with two groups of supporting plates 8, a positioning cylinder 10 is arranged between the two groups of supporting plates 8, the supporting plates 8 are connected with the positioning cylinder 10 through connecting pins 9, one end of each connecting pin 9 is provided with a rotary table 11, the supporting plates 8 are provided with a plurality of groups of limiting holes 12, the rotary tables 11 are provided with limiting pins 13, the rotary tables 11 are rotated to drive the connecting pins 9 to rotate with the positioning cylinders 10, so that the angle adjustment of a puncture cylinder 17 and a puncture needle 20 is realized, the puncture cylinder 17 is clamped in the rectangular sliding groove 16 through a rectangular sliding block 18, one side of the rectangular sliding block 18 is provided with a handle 19, the sliding handle 19 drives the rectangular sliding block 18 and the puncture cylinder 17 to move in the positioning cylinders 10, the needle inserting depth can be adjusted, the needle inserting position, the angle adjustment of the puncture needle 20 and the needle inserting depth can be adjusted during an operation, and the success rate of the puncture operation is greatly improved, the puncture deviation can not occur, and the pain of the patient is relieved; through the scale groove 14, accurate adjustment can be carried out, and the practicability is increased.
Referring to fig. 1 to 3, the clamping assembly includes a clamping plate 23, the fixing plate 22 is connected to the fixing base 1 through a supporting pillar 21, the clamping plate 23 is disposed in the fixing plate 22, a second threaded hole 24 is formed in one side of the clamping plate 23, a pin shaft seat 25 is disposed on one side of the fixing plate 22, a screw rod 26 penetrates through the second threaded hole 24 and the pin shaft seat 25, and the screw rod 26 is rotated to drive the clamping plate 23 to fix the fixing base 1 to a patient wearing edge, so that the stability of the operation is improved.
Referring to fig. 1 to 3, a plurality of sets of anti-slip grooves 28 are formed on both the clamping plate 23 and one side of the clamping plate 23; a knob 27 is arranged at one end of the screw rod 26, and the friction force between the screw rod and a sickbed can be increased through the arranged anti-skidding groove 28, so that the stability is improved; the knob 27 is used for rotating the screw rod 26, so that labor is saved.
Referring to fig. 1 to 3, a rocking wheel 29 is arranged at one end of the threaded rod 6, a handle 30 is arranged on one side of the rocking wheel 29, a movable sleeve 31 is sleeved on the handle 30, and the handle 30 is held by hand to drive the rocking wheel 29 and the threaded rod 6 to rotate, so that labor is saved during use; the movable sleeve 31 is more convenient to rotate.
Referring to fig. 1 to 3, the top end of the puncture cylinder 17 is connected with a magnifying glass 33 through a support frame, and the puncture position of the puncture needle 20 can be observed through the arranged magnifying glass 33, so that no deviation occurs during puncture.
Referring to fig. 1 to 3, an indicator 15 is disposed on the supporting plate 8, and the indicator 15 is matched with the scale groove 14, so that the angle can be adjusted more accurately.
Referring to fig. 1 to 3, a silicone pad 32 is disposed at the bottom of the fixing base 1, and the silicone pad 32 is disposed to improve the comfort of the patient when the bottom of the fixing base 1 contacts with the patient.
In conclusion, when the guide pin positioner special for arteriovenous internal fistula puncture is used, the threaded rod 6 is rotated to enable the T-shaped sliding block 4 to slide in the T-shaped sliding groove 3, and the movable seat 7 can be driven to adjust the needle inserting position, so that the structure is simple, and the use is convenient; the rotary table 11 is rotated to drive the connecting pin 9 and the positioning cylinder 10 to rotate, so that the angle adjustment of the puncture cylinder 17 and the puncture needle 20 is realized, the puncture cylinder 17 is clamped in the rectangular sliding groove 16 through the rectangular sliding block 18, one side of the rectangular sliding block 18 is provided with the handle 19, the sliding handle 19 drives the rectangular sliding block 18 and the puncture cylinder 17 to move in the positioning cylinder 10, the needle inserting depth can be adjusted, the needle inserting position, the angle adjustment of the puncture needle 20 and the needle inserting depth can be adjusted during operation, the success rate of the puncture operation is greatly improved, the puncture deviation cannot occur, and the pain of a patient is relieved; the scale groove 14 can be used for precise adjustment, so that the practicability is improved; the screw rod 26 is rotated to drive the clamping plate 23 to fix the fixed seat 1 and the patient puncture edge, so that the stability of the operation is improved; the friction force between the anti-skid groove 28 and the sickbed can be increased, and the stability is improved; the screw rod 26 is rotated through the knob 27, so that labor is saved during use; the puncture position of the puncture needle 20 can be observed through the arranged magnifier 33, and no deviation occurs during puncture; through the matching of the indicator 15 and the scale groove 14, the angle is adjusted more accurately; the silica gel pad 32 is arranged to improve the comfort of the patient when the bottom of the fixing seat 1 contacts with the patient.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a special guide pin locator of arteriovenous internal fistula puncture which characterized in that: the T-shaped sliding chute fixing device comprises a fixing seat (1), wherein two groups of T-shaped sliding chutes (3) are formed in the fixing seat (1), T-shaped sliding blocks (4) are arranged in the two groups of T-shaped sliding chutes (3), first threaded holes (5) are formed in one group of T-shaped sliding blocks (4), threaded rods (6) penetrate through the first threaded holes (5), moving seats (7) are arranged on the two groups of T-shaped sliding chutes (3), and puncture grooves (2) are formed in the moving seats (7) and the fixing seat (1); two groups of supporting plates (8) are arranged on the moving seat (7), a positioning cylinder (10) is arranged between the two groups of supporting plates (8), the supporting plates (8) are connected with the positioning cylinder (10) through connecting pins (9), a rotating disc (11) is arranged at one end of each connecting pin (9), a plurality of groups of limiting holes (12) are formed in the supporting plates (8), and limiting pins (13) are arranged on the rotating disc (11); a puncture cylinder (17) is arranged in the positioning cylinder (10), a rectangular sliding groove (16) is formed in the inner peripheral side of the positioning cylinder (10), the puncture cylinder (17) is clamped in the rectangular sliding groove (16) through a rectangular sliding block (18), a handle (19) is arranged on one side of the rectangular sliding block (18), and a puncture needle (20) is arranged at the bottom end of the puncture cylinder (17); the fixing seat (1), the turntable (11) and the positioning barrel (10) are all provided with a plurality of groups of scale grooves (14), and two groups of clamping assemblies are arranged at the bottom of the fixing seat (1).
2. The guide pin positioner special for arteriovenous internal fistula puncture according to claim 1, characterized in that: the clamping assembly comprises a clamping plate (23), a fixed plate (22) is connected with the fixed seat (1) through a supporting column (21), the clamping plate (23) is arranged in the fixed plate (22), a second threaded hole (24) is formed in one side of the clamping plate (23), a pin shaft seat (25) is arranged on one side of the fixed plate (22), and a lead screw (26) is arranged in the second threaded hole (24) and the pin shaft seat (25) in a penetrating mode.
3. The guide pin positioner special for arteriovenous internal fistula puncture according to claim 2, characterized in that: a plurality of groups of anti-skidding grooves (28) are formed in the clamping plate (23) and one side of the clamping plate (23); one end of the screw rod (26) is provided with a knob (27).
4. The guide pin positioner special for arteriovenous internal fistula puncture according to claim 1, characterized in that: threaded rod (6) one end is provided with shakes wheel (29), it is provided with handle (30) to shake wheel (29) one side, the cover is equipped with movable sleeve (31) on handle (30).
5. The guide pin positioner special for arteriovenous internal fistula puncture according to claim 1, characterized in that: the top end of the puncture cylinder (17) is connected with a magnifying glass (33) through a support frame.
6. The guide pin positioner special for arteriovenous internal fistula puncture according to claim 1, characterized in that: an indicator (15) is arranged on the supporting plate (8).
7. The guide pin positioner special for arteriovenous internal fistula puncture according to claim 1, characterized in that: the bottom of the fixed seat (1) is provided with a silica gel pad (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039252.0U CN215821092U (en) | 2021-01-08 | 2021-01-08 | Special guide pin locator of arteriovenous internal fistula puncture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120039252.0U CN215821092U (en) | 2021-01-08 | 2021-01-08 | Special guide pin locator of arteriovenous internal fistula puncture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821092U true CN215821092U (en) | 2022-02-15 |
Family
ID=80186800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120039252.0U Expired - Fee Related CN215821092U (en) | 2021-01-08 | 2021-01-08 | Special guide pin locator of arteriovenous internal fistula puncture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821092U (en) |
-
2021
- 2021-01-08 CN CN202120039252.0U patent/CN215821092U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |