CN117085233A - Disposable guide wire-carrying picc puncture needle - Google Patents
Disposable guide wire-carrying picc puncture needle Download PDFInfo
- Publication number
- CN117085233A CN117085233A CN202311055974.5A CN202311055974A CN117085233A CN 117085233 A CN117085233 A CN 117085233A CN 202311055974 A CN202311055974 A CN 202311055974A CN 117085233 A CN117085233 A CN 117085233A
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- China
- Prior art keywords
- guide wire
- needle
- needle body
- gear
- picc
- Prior art date
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Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 238000005538 encapsulation Methods 0.000 abstract description 2
- 230000002792 vascular Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 238000000926 separation method Methods 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (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 relates to the technical field of medical supplies, and discloses a disposable picc puncture needle with a guide wire, which comprises a puncture needle body, wherein a tail cover is fixedly arranged at the bottom of the puncture needle body, a needle holding block is fixedly arranged in the middle of the puncture needle body, a guide wire pushing assembly positioned below the needle holding block is fixedly arranged on the outer peripheral surface of the puncture needle body, and the guide wire body is arranged in the puncture needle body. This disposable tape guide wire's picc pjncture needle through the guide wire body at the built-in encapsulation of pjncture needle body, integrative taking in when the puncture, prevents that guide wire body and air from contacting for a long time and having the problem that the guide wire pollutes, can prevent simultaneously that the guide wire front end from stabbing the vascular problem because of bending deformation's uncertainty, and the guide wire promotes the position of subassembly can guaranteeing the guide wire body at ordinary times, avoids sliding, drives the guide wire body in operation and slides, makes its smooth roll-off.
Description
Technical Field
The invention relates to the technical field of medical supplies, in particular to a disposable picc puncture needle with a guide wire.
Background
At present, when the PICC catheterization is operated, a needle is required to be used for puncturing, after the puncture is successful, a positioning guide wire is inserted from the rear end of the needle until the front end of the guide wire reaches the vein, then the puncture needle is withdrawn, and after the puncture sheath and the expander delay guide wire are fed into the puncture vein, the guide wire is withdrawn.
However, because the operation is performed by matching two hands, the difficulty in feeding the guide wire into the puncture needle can occur in the operation process, thereby causing damage to the guide wire and finally affecting the successful placement of the catheter. Because the front end of the guide wire is a deformable tip, the bending angle of the guide wire is difficult to control, if the operation force is too large in the process of inserting the distal end into the proximal end, the tip of the guide wire is extremely easy to puncture the vessel wall, so that the vessel is damaged to cause false hemangioma, and a new operation risk is brought; the guide wire is in contact with the finger and exposed to air for a long time during the feeding of the guide wire, and there is also a problem of contamination of the guide wire.
To this end, we propose a disposable guide wire-equipped picc puncture needle.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the following technical scheme: the disposable picc puncture needle with the guide wire comprises a puncture needle body, wherein a tail cover is fixedly arranged at the bottom of the puncture needle body, a needle holding block is fixedly arranged in the middle of the puncture needle body, a guide wire pushing assembly positioned below the needle holding block is fixedly arranged on the outer peripheral surface of the puncture needle body, and the guide wire body is arranged in the puncture needle body.
Preferably, the puncture needle body comprises a needle body front section, a needle body rear section, a puncture tip and a transmission port, wherein the needle body front section is positioned above the needle holding block, the needle body rear section is positioned below the needle holding block, the puncture tip and the top of the needle body front section are integrally arranged, the transmission port is arranged below the needle holding block, the transmission port is positioned inside the guide wire pushing assembly, and the guide wire body penetrates through the needle body front section and the needle body rear section.
Preferably, the guide wire body comprises a hard guide wire and a memory metal soft guide wire, the memory metal soft guide wire is positioned at the front section of the needle body and close to the puncture tip, the bottom of the memory metal soft guide wire is fixedly arranged at the top of the hard guide wire, the top of the memory metal soft guide wire is arc-shaped, and the outer peripheral surface of the hard guide wire is in contact with the guide wire pushing assembly.
Preferably, the seal wire pushing assembly comprises a fixed box, a fixed assembly and a pushing assembly, wherein the fixed box and the rear section of the needle body penetrate through the fixed installation, the transmission port is located inside the fixed box, the fixed assembly is arranged on the upper side and the lower side inside the fixed box, the pushing assembly is arranged between the two fixed assemblies, and the top of the pushing assembly penetrates through the outside of the fixed box.
Preferably, the fixed subassembly includes the guide bar with fixed inside upper and lower both sides fixed connection of box to and the pivot of being connected with fixed inside upper and lower both sides rotation of box, the guide bar runs through sliding connection and is located the inside upper slide that goes up of fixed box, the guide bar runs through sliding connection and has the lower slider that is close to the transmission mouth, the face an organic whole that goes up slider and slider is connected with the rack down, slider and the face an organic whole that is connected with down of going up the slider have down the rack down, slider one side an organic whole that is close to the transmission mouth down is provided with the fixing clip spare, the outside cover of guide bar is equipped with the spring that is located between slider and the slider down.
Preferably, a transmission gear is fixedly arranged on the outer peripheral surface of the rotating shaft, one side of the transmission gear is meshed with the upper rack, the other side of the transmission gear is meshed with the lower rack, and the opposite surfaces of the two upper sliding blocks are fixedly arranged on two sides of the pushing assembly.
Preferably, the pushing assembly comprises a pressing block fixedly installed with the two upper sliding blocks and a guard plate which is positioned inside the fixed box and integrally connected with the pressing block, wherein the front surface of the pressing block is in penetrating sliding connection with the front surface of the fixed box, the back surface of the pressing block is flush with the back surface of the upper sliding block, a rotating groove penetrating through the pressing block is formed in the front surface of the pressing block, two opposite surfaces of the guard plate are respectively flush with two sides of the rotating groove, and three connecting shafts are connected to the rotating groove and the inner rotation of the two guard plates.
Preferably, one connecting shaft's outer peripheral face fixed mounting has the gyro wheel that is located the rotation groove inside, one side of gyro wheel be provided with connecting shaft fixed mounting's first gear, another connecting shaft's outer peripheral face fixed mounting has the drive wheel that is located the transmission mouth inside, one side of drive wheel be provided with connecting shaft fixed mounting's second gear, the third connecting shaft fixed mounting has the connecting gear that is located between two backplate, one side and the first gear meshing of connecting gear, connecting gear's opposite side and second gear meshing.
Preferably, an arc-shaped clamping groove is formed in one side, in contact with the guide wire body, of the fixing clamping piece, and an anti-slip pad is bonded in the arc-shaped clamping groove formed in the fixing clamping piece.
Preferably, the thickness of the pushing wheel is the same as that of the roller, an anti-slip silica gel pad is arranged on the outer peripheral surface of the pushing wheel, anti-slip lines are arranged on the outer peripheral surface of the roller, and the first gear and the second gear are the same in size and shape.
Advantageous effects
Compared with the prior art, the invention provides a disposable picc puncture needle with a guide wire, which comprises the following components
The beneficial effects are that:
1. this disposable tape guide wire's picc pjncture needle through the guide wire body at the built-in encapsulation of pjncture needle body, integrative taking in when the puncture, prevents that guide wire body and air from contacting for a long time and having the problem that the guide wire pollutes, can prevent simultaneously that the guide wire front end from stabbing the vascular problem because of bending deformation's uncertainty, and the guide wire promotes the position of subassembly can guaranteeing the guide wire body at ordinary times, avoids sliding, drives the guide wire body in operation and slides, makes its smooth roll-off.
2. This disposable tape guide wire's picc pjncture needle is kept away from each other through setting up fixed subassembly, through slider and lower slider on the spring push, the fixed fastener that the slider is integrative to be set up simultaneously is through the inside of the fixed pjncture needle body of transmission mouth with the guide wire body, prevents guide wire body activity, when pushing down the subassembly, the last rack of going up the slider promotes drive gear and rotates, and the slider removes simultaneously for go up slider and be close to each other down, separate fixed fastener and guide wire body, make push assembly can promote the guide wire body.
3. This disposable tape guide wire's picc pjncture needle is through pressing the briquetting to fixed box inside for go up slider and slider down remove, guide wire body and fixed fastener separation, push away the surface of wheel and guide wire body and support tightly, rotate the gyro wheel, drive the wheel rotation of pushing away through first gear, second gear and connecting gear, rotate the guide wire body along with the wheel of pushing away and follow the puncture point roll-off, get into in the blood vessel, when withdrawing from the pjncture needle body, continue to press the briquetting and release the gyro wheel, when taking out the pjncture needle body, push away the wheel reverse rotation.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view showing a sectional structure of a lancet body according to the present invention;
FIG. 3 is a schematic view of the guide wire pushing assembly of the present invention;
FIG. 4 is a schematic view of a fixing assembly according to the present invention;
FIG. 5 is a second schematic structural view of the fixing assembly of the present invention;
FIG. 6 is a schematic view of a pushing assembly according to the present invention;
FIG. 7 is a schematic view of a cut-away construction of a push assembly of the present invention;
fig. 8 is a schematic view of a part of the structure of the pushing assembly of the present invention.
In the figure: 1. a puncture needle body; 11. a needle body front section; 12. the rear section of the needle body; 13. a puncture tip; 14. a transmission port; 2. a needle holding block; 3. a guidewire pushing assembly; 31. a fixed box; 32. a fixing assembly; 321. a guide rod; 322. a rotating shaft; 323. an upper slider; 324. a rack is arranged; 325. a transmission gear; 326. a lower slide block; 327. a lower rack; 328. a fixing clip; 329. a spring; 3210. an anti-slip pad; 33. a pushing assembly; 331. briquetting; 332. a rotating groove; 333. a guard board; 334. a connecting shaft; 335. a roller; 336. a first gear; 337. a push wheel; 338. a second gear; 339. a connecting gear; 4. a tail cover; 5. a guidewire body; 51. a stiff guidewire; 52. memory metal soft guide wire.
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.
Referring to fig. 1 to 8, a disposable guide wire-carrying picc puncture needle comprises a puncture needle body 1, wherein a tail cover 4 is fixedly arranged at the bottom of the puncture needle body 1, a needle holding block 2 is fixedly arranged in the middle of the puncture needle body 1, a guide wire pushing assembly 3 positioned below the needle holding block 2 is fixedly arranged on the outer peripheral surface of the puncture needle body 1, and a guide wire body 5 is arranged in the puncture needle body 1.
As one embodiment of the present invention, the puncture needle body 1 includes a needle body front section 11, a needle body rear section 12, a puncture tip 13, and a transmission port 14, the needle body front section 11 is located above the needle holding block 2, the needle body rear section 12 is located below the needle holding block 2, the puncture tip 13 is integrally provided with the top of the needle body front section 11, the transmission port 14 is provided below the needle holding block 2, the transmission port 14 is located inside the guide wire pushing assembly 3, and the guide wire body 5 penetrates through the needle body front section 11 and the needle body rear section 12.
As one embodiment of the present invention, the guide wire body 5 includes a hard guide wire 51 and a memory metal soft guide wire 52, the memory metal soft guide wire 52 is located at the position of the needle body front section 11 near the puncture tip 13, the bottom of the memory metal soft guide wire 52 is fixedly mounted with the top of the hard guide wire 51, the top of the memory metal soft guide wire 52 is arc-shaped, and the outer peripheral surface of the hard guide wire 51 is in contact with the guide wire pushing assembly 3.
As one embodiment of the present invention, the guide wire pushing assembly 3 includes a fixing box 31, a fixing assembly 32 and a pushing assembly 33, the fixing box 31 and the needle body rear section 12 are fixedly installed through, the driving port 14 is located in the fixing box 31, the fixing assemblies 32 are disposed at the upper and lower sides of the inside of the fixing box 31, the pushing assembly 33 is disposed between the two fixing assemblies 32, the top of the pushing assembly 33 penetrates to the outside of the fixing box 31, the guide wire body 5 is packaged in the puncture needle body 1, and is integrally carried in during puncture, so that the guide wire body 5 is prevented from being contacted with air for a long time to cause guide wire pollution, and meanwhile, the guide wire pushing assembly 3 can ensure the position of the guide wire body 5 at ordinary times to avoid sliding, and in operation, the guide wire body 5 is driven to slide so as to smoothly slide out.
As an embodiment of the present invention, the fixing assembly 32 includes a guide rod 321 fixedly connected to the upper and lower sides of the inside of the fixing box 31, and a rotating shaft 322 rotatably connected to the upper and lower sides of the inside of the fixing box 31, the guide rod 321 is connected to an upper slider 323 located inside the fixing box 31 in a penetrating and sliding manner, the guide rod 321 is connected to a lower slider 326 located near the driving opening 14 in a penetrating and sliding manner, an upper rack 324 is integrally connected to the opposite surface of the upper slider 323 and the opposite surface of the lower slider 326, a lower rack 327 is integrally connected to the opposite surface of the lower slider 326 and the upper slider 323, a fixing clip 328 is integrally provided on one side of the lower slider 326 near the driving opening 14, and a spring 329 located between the upper slider 323 and the lower slider 326 is sleeved outside the guide rod 321.
As one embodiment of the present invention, a transmission gear 325 is fixedly installed on the outer circumferential surface of the rotating shaft 322, one side of the transmission gear 325 is engaged with the upper rack 324, the other side of the transmission gear 325 is engaged with the lower rack 327, the opposite surfaces of the two upper sliders 323 are fixedly installed on both sides of the pushing assembly 33, by arranging the fixing assembly 32, the upper sliders 323 and the lower sliders 326 are pushed away from each other by the springs 329, and simultaneously the fixing clip 328 integrally arranged on the lower sliders 326 fixes the guide wire body 5 inside the puncture needle body 1 through the transmission port 14, so as to prevent the guide wire body 5 from moving, and when the pushing assembly 33 is pressed down, the upper rack 324 of the upper sliders 323 pushes the transmission gear 325 to rotate, and simultaneously the lower sliders 326 move so that the upper sliders 323 and the lower sliders 326 approach each other, and the fixing clip 328 is separated from the guide wire body 5, so that the pushing assembly can push the guide wire body 5.
As an embodiment of the present invention, the pushing assembly 33 includes a pressing block 331 fixedly installed on two upper sliders 323, and a guard plate 333 integrally connected with the pressing block 331 and located inside the fixed box 31, wherein the front surface of the pressing block 331 is in penetrating sliding connection with the front surface of the fixed box 31, the back surface of the pressing block 331 is flush with the back surface of the upper slider 323, a rotating groove 332 penetrating the pressing block 331 is formed in the front surface of the pressing block 331, opposite surfaces of the two guard plates 333 are respectively flush with two sides of the rotating groove 332, and three connecting shafts 334 are rotatably connected inside the rotating groove 332 and the two guard plates 333.
As one embodiment of the present invention, a roller 335 inside the rotation groove 332 is fixedly installed on the outer circumferential surface of one connection shaft 334, a first gear 336 fixedly installed with the connection shaft 334 is provided on one side of the roller 335, a push wheel 337 inside the transmission port 14 is fixedly installed on the outer circumferential surface of the other connection shaft 334, a second gear 338 fixedly installed with the connection shaft 334 is provided on one side of the push wheel 337, a connection gear 339 between the two guard plates 333 is fixedly installed on the third connection shaft 334, one side of the connection gear 339 is engaged with the first gear 336, the other side of the connection gear 339 is engaged with the second gear 338, the upper slider 323 is moved with the lower slider 326 by pressing the pressing block 331 into the fixing box 31, the guide wire body 5 is separated from the fixing clamp 328, the push wheel 337 is abutted against the outer surface of the guide wire body 5, the roller 335 is rotated, the guide wire body 337 is rotated by the first gear 336, the second gear 338 and the connection gear 339 is rotated, the guide wire body 337 slides out of the puncture tip 13 into a blood vessel along with rotation of the push wheel 337, when the pressing block 1 is withdrawn, and the push wheel 335 is continuously rotated in the reverse direction when the puncture needle 331 is withdrawn.
As an embodiment of the present invention, an arc-shaped slot is formed on a side of the fixing clip 328 contacting the guide wire body 5, and an anti-slip pad 3210 is adhered to the inside of the arc-shaped slot formed on the fixing clip 328.
As an embodiment of the present invention, the thickness of the pushing wheel 337 is the same as the thickness of the roller 335, the outer circumferential surface of the pushing wheel 337 is provided with an anti-slip silica gel pad, the outer circumferential surface of the roller 335 is provided with anti-slip lines, and the sizes and shapes of the first gear 336 and the second gear 338 are the same.
It should be noted that, when in use, the needle holding block 2 is held by hand, the puncture tip 13 is adopted to puncture, at this time, the spring 329 pushes the upper slider 323 and the lower slider 326 away from each other, simultaneously, the fixed clamping piece 328 integrally arranged on the lower slider 326 fixes the guide wire body 5 to the inside of the puncture needle body 1 through the transmission port 14, the guide wire body 5 is prevented from moving, after successful puncture, the pressing block 331 is pressed, the pressing block 331 drives the upper slider 323 to move, the upper rack 324 of the upper slider 323 pushes the transmission gear 325 to rotate, and simultaneously, the lower slider 326 moves, the upper slider 323 and the lower slider 326 are made to approach each other, the fixed clamping piece 328 is separated from the guide wire body 5, after the outer surface of the push wheel 337 abuts against the guide wire body 5, the push wheel 335 is rotated, the guide wire body 5 is rotated along with the push wheel 337 through the first gear 336, the second gear 338 and the connecting gear 339, when the push wheel 337 is retracted from the puncture tip 13, the puncture needle body 1 is withdrawn, the pressing block 331 is continuously pressed and the roller 335 is released, and the push wheel 337 is rotated reversely, and the guide wire body 5 is not carried out when the puncture needle body 1 is withdrawn.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (10)
1. Disposable tape guide wire's picc pjncture needle includes pjncture needle body (1), its characterized in that: the novel puncture needle is characterized in that a tail cover (4) is fixedly arranged at the bottom of the puncture needle body (1), a needle holding block (2) is fixedly arranged in the middle of the puncture needle body (1), a guide wire pushing assembly (3) positioned below the needle holding block (2) is fixedly arranged on the outer peripheral surface of the puncture needle body (1), and a guide wire body (5) is arranged in the puncture needle body (1).
2. The disposable, guidewire-containing picc needle of claim 1, wherein: the puncture needle comprises a puncture needle body (1) and is characterized in that the puncture needle body (1) comprises a needle body front section (11), a needle body rear section (12), a puncture tip (13) and a transmission port (14), wherein the needle body front section (11) is located above a needle holding block (2), the needle body rear section (12) is located below the needle holding block (2), the puncture tip (13) and the top of the needle body front section (11) are integrally arranged, the transmission port (14) is arranged below the needle holding block (2), the transmission port (14) is located inside a guide wire pushing assembly (3), and the guide wire body (5) penetrates through the needle body front section (11) and the needle body rear section (12).
3. The disposable, guidewire-containing picc needle of claim 2, wherein: the guide wire body (5) comprises a hard guide wire (51) and a memory metal soft guide wire (52), the memory metal soft guide wire (52) is located at the position, close to the puncture tip (13), of the needle body front section (11), the bottom of the memory metal soft guide wire (52) is fixedly mounted with the top of the hard guide wire (51), the top of the memory metal soft guide wire (52) is arc-shaped, and the outer peripheral surface of the hard guide wire (51) is in contact with the guide wire pushing assembly (3).
4. A disposable, guidewire, picc needle as in claim 3, wherein: the guide wire pushing assembly (3) comprises a fixed box (31), a fixed assembly (32) and a pushing assembly (33), wherein the fixed box (31) and the needle body rear section (12) are fixedly installed in a penetrating mode, the transmission port (14) is located inside the fixed box (31), the fixed assembly (32) is arranged on the upper side and the lower side inside the fixed box (31), the pushing assembly (33) is arranged between the two fixed assemblies (32), and the top of the pushing assembly (33) penetrates the outside of the fixed box (31).
5. The disposable, guidewire-containing picc needle of claim 4, wherein: fixed subassembly (32) include with fixed box (31) inside upper and lower both sides fixed connection's guide bar (321) to and with fixed box (31) inside upper and lower both sides pivoted connection's pivot (322), guide bar (321) run through sliding connection have be located fixed box (31) inside last slider (323), guide bar (321) run through sliding connection have be close to slider (326) down of transmission mouth (14), the opposite face of slider (323) and slider (326) an organic whole is connected with rack (324) down, the opposite face of slider (326) and slider (323) down is connected with rack (327) down an organic whole, one side that slider (326) are close to transmission mouth (14) down is provided with fixed fastener (328) an organic whole, the outside cover of guide bar (321) is equipped with spring (329) between slider (323) and slider (326) down.
6. The disposable, guidewire-containing picc needle of claim 5, wherein: the outer peripheral surface of the rotating shaft (322) is fixedly provided with a transmission gear (325), one side of the transmission gear (325) is meshed with the upper rack (324), the other side of the transmission gear (325) is meshed with the lower rack (327), and the opposite surfaces of the two upper sliding blocks (323) are fixedly arranged on two sides of the pushing assembly (33).
7. The disposable, guidewire, picc needle of claim 6, wherein: the pushing assembly (33) comprises pressing blocks (331) fixedly installed on the two upper sliding blocks (323) and guard plates (333) which are located inside the fixed box (31) and integrally connected with the pressing blocks (331), the front faces of the pressing blocks (331) are connected with the front faces of the fixed box (31) in a penetrating sliding mode, the back faces of the pressing blocks (331) are flush with the back faces of the upper sliding blocks (323), rotating grooves (332) penetrating the pressing blocks (331) are formed in the front faces of the pressing blocks (331), two opposite faces of the guard plates (333) are flush with two sides of the rotating grooves (332) respectively, and three connecting shafts (334) are connected with the inner rotation of the rotating grooves (332) and the inner rotation of the two guard plates (333).
8. The disposable, guidewire-containing picc needle of claim 7, wherein: one connecting axle (334) outer peripheral face fixed mounting has gyro wheel (335) that are located the inside of rotation groove (332), one side of gyro wheel (335) be provided with connecting axle (334) fixed mounting's first gear (336), another connecting axle (334) outer peripheral face fixed mounting has and is located inside drive round (337) of driving mouth (14), one side of drive round (337) be provided with connecting axle (334) fixed mounting's second gear (338), third connecting axle (334) fixed mounting has connecting gear (339) that are located between two backplate (333), one side and first gear (336) meshing of connecting gear (339), the opposite side and second gear (338) meshing of connecting gear (339).
9. The disposable, guidewire-containing picc needle of claim 5, wherein: an arc-shaped clamping groove is formed in one side, in contact with the guide wire body (5), of the fixing clamping piece (328), and an anti-slip pad (3210) is bonded in the arc-shaped clamping groove formed in the fixing clamping piece (328).
10. The disposable, guidewire, picc needle of claim 8, wherein: the thickness of the pushing wheel (337) is the same as that of the roller (335), an anti-slip silica gel pad is arranged on the outer peripheral surface of the pushing wheel (337), anti-slip lines are formed on the outer peripheral surface of the roller (335), and the first gear (336) and the second gear (338) are the same in size and shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311055974.5A CN117085233A (en) | 2023-08-21 | 2023-08-21 | Disposable guide wire-carrying picc puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311055974.5A CN117085233A (en) | 2023-08-21 | 2023-08-21 | Disposable guide wire-carrying picc puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117085233A true CN117085233A (en) | 2023-11-21 |
Family
ID=88769356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311055974.5A Withdrawn CN117085233A (en) | 2023-08-21 | 2023-08-21 | Disposable guide wire-carrying picc puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117085233A (en) |
-
2023
- 2023-08-21 CN CN202311055974.5A patent/CN117085233A/en not_active Withdrawn
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Application publication date: 20231121 |
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| WW01 | Invention patent application withdrawn after publication |