CN211633511U - Disposable trocar puncture needle - Google Patents
Disposable trocar puncture needle Download PDFInfo
- Publication number
- CN211633511U CN211633511U CN202020034875.4U CN202020034875U CN211633511U CN 211633511 U CN211633511 U CN 211633511U CN 202020034875 U CN202020034875 U CN 202020034875U CN 211633511 U CN211633511 U CN 211633511U
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- CN
- China
- Prior art keywords
- needle
- sleeve
- fixed
- puncture needle
- arc
- 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.)
- Expired - Fee Related
Links
- 230000006978 adaptation Effects 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 26
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical equipment, in particular to a disposable sleeve puncture needle, which comprises a puncture needle head, wherein the top end of the puncture needle head is communicated with a puncture needle seat, the top surface of the puncture needle seat is fixedly connected with a fixed needle sleeve, the axle center of the puncture needle seat is provided with a through hole matched with the fixed needle sleeve, the inner wall of the fixed needle sleeve is movably connected with a movable plate, and the movable plate is fixedly connected with a movable rod close to the surface of the inner wall of the fixed needle sleeve; the utility model discloses an adjustable ring and arc pole for when needing to adjust hole aperture in the pjncture needle, can rotate the adjustable ring, make the adjustable ring drive the activity with the arc pole, the arc pole promotes the movable rod thereupon and makes the fly leaf gradually to the inside activity of fixed needle cover, thereby distance between the fly leaf diminishes, reduces the hole aperture of pjncture needle this moment, need not dismantle sealed cap and can accomplish the change, has reached the effect that makes things convenient for regulation and control pjncture needle hole aperture, improvement operation efficiency.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a disposable cannula puncture needle.
Background
The puncture needle is a medical appliance which can directly inject and treat the focus by puncturing the skin when part of visceral organs in a patient have diseases, can directly treat the focus without operating, has high efficiency and is not easy to break, and meanwhile, when the laparoscopic surgery is carried out, the puncture needle with a sleeve pipe is often needed to be matched with an endoscope to diagnose and treat the focus in the patient so as to ensure the smooth completion of the surgery.
When the existing disposable trocar puncture needle is used, the sealing caps of inner holes with different apertures are replaced according to the specific use condition of the trocar puncture needle in an operation, so that an endoscope can be conveniently inserted to avoid the backflow of blood after the puncture needle is drawn out, but the sealing caps with different apertures need to be carefully screwed while the puncture needle is prevented from vibrating in the operation process, the operation is troublesome, and the operation efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a disposable sleeve pjncture needle possesses the convenience and controls the inside aperture size of the sealed cap of sleeve pjncture needle when the operation, guarantees the advantage of operation efficiency, has solved current sleeve pjncture needle internal diameter and has regulated and control comparatively trouble when the operation, influences the problem of operation efficiency.
The utility model discloses a disposable sleeve pjncture needle, including the puncture needle head, the top intercommunication of puncture needle head has the puncture needle file, the fixed needle cover of top surface fixedly connected with of puncture needle file, the axle center department of puncture needle file set up with the through-hole of fixed needle cover looks adaptation, the inner wall swing joint of fixed needle cover has the fly leaf, the fly leaf is close to the fixed surface of fixed needle cover inner wall and is connected with the movable rod, slider and spout sliding connection have an arc pole are passed through to the surface of movable rod, the through-hole with arc pole looks adaptation is seted up on the surface of fixed needle cover, the one end that the movable rod was kept away from to the arc pole runs through the inner wall of fixed needle cover and extends to the outside and swing joint of puncture needle file have the adjustable ring, the inner wall of adjustable ring is equipped.
The utility model discloses a disposable sleeve pjncture needle, wherein the quantity of fly leaf and arc pole is four, and four fly leaves and arc pole are the cross and distribute on the surface of fixed needle cover as the dot with the axis of fixed needle cover, through four fly leaves for can form a pipeline and make things convenient for inserting of endoscope.
The utility model discloses a disposable sleeve pjncture needle, wherein the inner wall fixedly connected with of adjustable ring and the fixed lug of arc pole looks adaptation, and the surface of arc pole be equipped with the arch of fixed lug looks adaptation, through fixed lug for when through the activity of adjustable ring control arc pole, can be via the more stable promotion arc pole activity of fixed lug.
The utility model discloses a disposable sleeve pjncture needle, wherein the fixed surface of fixed needle cover is connected with and tightens up the gum cover, the lower surface of tightening up the gum cover cup joints with the surface of adjustable ring and puncture needle file, through tightening up the gum cover for when making things convenient for medical personnel to hold the pjncture needle holistic, can will tighten up the gum cover and wrap up on the adjustable ring after the activity adjustable ring, make things convenient for the fixed of adjustable ring, reached the effect that makes things convenient for the control pjncture needle to use when the operation.
The utility model discloses a disposable sleeve pjncture needle, wherein the arc pole is that a medical PE plastics constitutes, it constitutes to tighten up the gum cover for a medical silica gel, the surface of adjustable ring is equipped with anti-skidding line, through the arc pole with tighten up the material of gum cover for can guarantee that the arc pole can not break when the activity, conveniently tighten up the activity of gum cover simultaneously and keep certain frictional force.
The utility model discloses a disposable sleeve pjncture needle, wherein the top surface fixedly connected with rubber cover of safety cover, the rubber cover is kept away from the one end of fixed needle cover and the top surface fixed connection of fly leaf, through the rubber cover for the space of fly leaf after the activity between with fixed needle cover can be sheltered from.
The utility model discloses a disposable sleeve pjncture needle, wherein the upper surface shape of fly leaf side is the inclined plane of slope, the surface swing joint of slider and spout and fly leaf is passed through to the one end that the arc pole is close to the fly leaf, through the slider on arc pole surface for the arc pole can stably remove and not squint after getting into to fixed needle cover.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an adjustable ring and arc pole for when needing to adjust hole aperture in the pjncture needle, can rotate the adjustable ring, make the adjustable ring drive the activity with the arc pole, the arc pole promotes the movable rod thereupon and makes the fly leaf gradually to the inside activity of fixed needle cover, thereby distance between the fly leaf diminishes, reduces the hole aperture of pjncture needle this moment, need not dismantle sealed cap and can accomplish the change, has reached the effect that makes things convenient for regulation and control pjncture needle hole aperture, improvement operation efficiency.
2. The utility model discloses a fixed lug for when through the activity of adjustable ring control arc pole, can be through the more stable promotion arc pole activity of fixed lug, through tightening up the gum cover, make and make things convenient for medical personnel to hold the pjncture needle holistic in, can will tighten up the gum cover after the activity adjustable ring and wrap up in on the adjustable ring, make things convenient for the fixed of adjustable ring, reached the effect that makes things convenient for the control pjncture needle to use when the operation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the top-down structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is an enlarged view of the structure at B in FIG. 1;
fig. 5 is an enlarged schematic view of the structure at C in fig. 2.
In the figure: 1. a puncture needle head; 2. a puncture needle seat; 3. fixing the needle sleeve; 4. a movable plate; 5. a movable rod; 6. an arcuate bar; 7. an adjusting ring; 8. a protective cover; 9. fixing the bump; 10. tightening the rubber sleeve; 11. a rubber cover.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-5, the disposable cannula puncture needle of the present invention comprises a puncture needle 1, the top end of the puncture needle 1 is connected with a puncture needle base 2, the top surface of the puncture needle base 2 is fixedly connected with a fixed needle sleeve 3, the axis of the puncture needle base 2 is provided with a through hole adapted to the fixed needle sleeve 3, the inner wall of the fixed needle sleeve 3 is movably connected with a movable plate 4, the surface of the movable plate 4 close to the inner wall of the fixed needle sleeve 3 is fixedly connected with a movable rod 5, the surface of the movable rod 5 is slidably connected with an arc-shaped rod 6 through a slider and a chute, the surface of the fixed needle sleeve 3 is provided with a through hole adapted to the arc-shaped rod 6, one end of the arc-shaped rod 6 far away from the movable rod 5 penetrates through the inner wall of the fixed needle sleeve 3 and extends to the outside of the puncture needle base 2 and, through adjustable ring 7 and arc pole 6 for when needs adjust the pjncture needle in the hole aperture, can rotate adjustable ring 7, make adjustable ring 7 drive the activity with arc pole 6, arc pole 6 promotes movable rod 5 thereupon and makes fly leaf 4 move to fixed needle cover 3 inside gradually, thereby the distance between fly leaf 4 diminishes, reduces the hole aperture of pjncture needle this moment, need not dismantle sealed cap and can accomplish the change, has reached the effect that conveniently regulates and control pjncture needle hole aperture, improvement operation efficiency.
The number of the movable plates 4 and the arc-shaped rods 6 is four, and the four movable plates 4 and the arc-shaped rods 6 are distributed on the surface of the fixed needle sleeve 3 in a cross shape by taking the central axis of the fixed needle sleeve 3 as a circular point, so that a pipeline can be formed to facilitate the insertion of the endoscope through the four movable plates 4.
The inner wall fixedly connected with of adjustable ring 7 and the fixed lug 9 of 6 looks adaptations of arc pole, and the surface of arc pole 6 be equipped with the arch of 9 looks adaptations of fixed lug, through fixed lug 9 for when controlling the activity of arc pole 6 through adjustable ring 7, can be via the more stable promotion arc pole 6 activities of fixed lug 9.
The fixed surface of fixed needle cover 3 is connected with tightens up gum cover 10, and the lower surface that tightens up gum cover 10 cup joints with the surface of adjustable ring 7 and puncture needle file 2, through tightening up gum cover 10 for when making things convenient for medical personnel to hold the pjncture needle holistically, can wrap up in on adjustable ring 7 with tightening up gum cover 10 after activity adjustable ring 7, make things convenient for the fixed of adjustable ring 7, reached the effect that makes things convenient for the control pjncture needle to use when the operation.
The arc-shaped rod 6 is made of medical PE plastic, the tightening rubber sleeve 10 is made of medical silica gel, the surface of the adjusting ring 7 is provided with anti-skidding lines, and the arc-shaped rod 6 and the tightening rubber sleeve 10 are made of materials, so that the arc-shaped rod 6 can be prevented from being broken during movement, and meanwhile, the tightening rubber sleeve 10 can be conveniently moved and certain friction force can be kept.
The top surface fixedly connected with rubber cover 11 of safety cover 8, the one end that fixed needle cover 3 was kept away from to rubber cover 11 and the top surface fixed connection of fly leaf 4 for the space between fly leaf 4 and fixed needle cover 3 can be sheltered from after the activity through rubber cover 11.
The upper surface shape of the side surface of the movable plate 4 is an inclined plane, one end of the arc-shaped rod 6, which is close to the movable plate 4, is movably connected with the outer surfaces of the sliding groove and the movable plate 4 through the sliding block, and the arc-shaped rod 6 can stably move without deviation after entering the fixed needle sleeve 3 through the sliding block on the surface of the arc-shaped rod 6.
When using the utility model discloses the time: if need adjust the hole aperture on the pjncture needle, can be with tightening up the gum cover 10 and turning up, activity adjustable ring 7 afterwards, make arc pole 6 deepen under the drive of adjustable ring 7 in fixed needle cover 3, and movable rod 5 can slide on the surface of arc pole 6, along with the radian of arc pole 6 with fly leaf 4 to the inside promotion of fixed needle cover 3, make the aperture that forms between fly leaf 4 reduce, and after adjusting suitable aperture, can will tighten up gum cover 10 again and turn down, wrap up the surface of adjustable ring 7 again, fix adjustable ring 7, avoid the activity of fly leaf 4 in the use, make things convenient for medical personnel's operation.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. Disposable sleeve pjncture needle, including puncture needle head (1), its characterized in that: the top end of the puncture needle head (1) is communicated with a puncture needle seat (2), the top surface of the puncture needle seat (2) is fixedly connected with a fixed needle sleeve (3), the axle center of the puncture needle seat (2) is provided with a through hole matched with the fixed needle sleeve (3), the inner wall of the fixed needle sleeve (3) is movably connected with a movable plate (4), the surface of the movable plate (4) close to the inner wall of the fixed needle sleeve (3) is fixedly connected with a movable rod (5), the surface of the movable rod (5) is slidably connected with an arc-shaped rod (6) through a sliding block and a sliding groove, the surface of the fixed needle sleeve (3) is provided with a through hole matched with the arc-shaped rod (6), one end of the arc-shaped rod (6) far away from the movable rod (5) penetrates through the inner wall of the fixed needle sleeve (3) and extends to the outer part of the puncture needle seat (2) and, the top surface of the fixed needle sleeve (3) is in threaded connection with a protective cover (8).
2. The disposable trocar puncturing needle according to claim 1, wherein: the quantity of the movable plates (4) and the arc-shaped rods (6) is four, and the four movable plates (4) and the arc-shaped rods (6) are distributed on the surface of the fixed needle sleeve (3) in a cross shape by taking the central axis of the fixed needle sleeve (3) as a round point.
3. The disposable trocar puncturing needle according to claim 1, wherein: the inner wall fixedly connected with of adjustable ring (7) and fixed lug (9) of arc pole (6) looks adaptation, and the surface of arc pole (6) is equipped with the arch with fixed lug (9) looks adaptation.
4. The disposable trocar puncturing needle according to claim 1, wherein: the surface of the fixed needle sleeve (3) is fixedly connected with a tightening rubber sleeve (10), and the lower surface of the tightening rubber sleeve (10) is sleeved with the adjusting ring (7) and the surface of the puncture needle seat (2).
5. The disposable trocar puncturing needle according to claim 4, wherein: the arc-shaped rod (6) is composed of medical PE plastic, the tightening rubber sleeve (10) is composed of medical silica gel, and anti-skid lines are arranged on the surface of the adjusting ring (7).
6. The disposable trocar puncturing needle according to claim 1, wherein: the top surface fixedly connected with rubber cover (11) of safety cover (8), the one end that fixed needle cover (3) was kept away from in rubber cover (11) and the top surface fixed connection of fly leaf (4).
7. The disposable trocar puncturing needle according to claim 1, wherein: the upper surface shape of the side surface of the movable plate (4) is an inclined slope, and one end, close to the movable plate (4), of the arc-shaped rod (6) is movably connected with the outer surfaces of the sliding groove and the movable plate (4) through the sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020034875.4U CN211633511U (en) | 2020-01-08 | 2020-01-08 | Disposable trocar puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020034875.4U CN211633511U (en) | 2020-01-08 | 2020-01-08 | Disposable trocar puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211633511U true CN211633511U (en) | 2020-10-09 |
Family
ID=72704123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020034875.4U Expired - Fee Related CN211633511U (en) | 2020-01-08 | 2020-01-08 | Disposable trocar puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211633511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116115307A (en) * | 2023-02-10 | 2023-05-16 | 河北康誉医疗器械有限公司 | Contrast guide wire device for controlling resistance |
-
2020
- 2020-01-08 CN CN202020034875.4U patent/CN211633511U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116115307A (en) * | 2023-02-10 | 2023-05-16 | 河北康誉医疗器械有限公司 | Contrast guide wire device for controlling resistance |
| CN116115307B (en) * | 2023-02-10 | 2023-09-22 | 河北康誉医疗器械有限公司 | Contrast guide wire device for controlling resistance |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |