CN220236983U - Medical puncture needle - Google Patents
Medical puncture needle Download PDFInfo
- Publication number
- CN220236983U CN220236983U CN202323111599.XU CN202323111599U CN220236983U CN 220236983 U CN220236983 U CN 220236983U CN 202323111599 U CN202323111599 U CN 202323111599U CN 220236983 U CN220236983 U CN 220236983U
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- China
- Prior art keywords
- puncture needle
- movable sleeve
- needle body
- puncture
- wall
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- 239000003814 drug Substances 0.000 claims abstract description 25
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 2
- 230000006378 damage Effects 0.000 abstract description 4
- 230000003444 anaesthetic effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010002091 Anaesthesia Diseases 0.000 description 2
- 230000037005 anaesthesia Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000002690 local anesthesia Methods 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000001672 ovary Anatomy 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 210000001550 testis Anatomy 0.000 description 1
- 210000001685 thyroid gland Anatomy 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000004291 uterus Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of medical instruments, and particularly discloses a medical puncture needle, which comprises a puncture needle body and a medicine inlet pipe, wherein the medicine inlet pipe is detachably arranged in the puncture needle body, the puncture needle body is connected with a pushing and pressing assembly, the pushing and pressing assembly comprises a rotating column, the upper end and the lower end of the rotating column are respectively connected with a sleeve rod, one side of the sleeve rod is fixedly connected with a positioning ring, the positioning ring is sleeved with a movable sleeve pipe, the movable sleeve pipe is slidably connected with the rotating column, the puncture needle body is detachably arranged in the movable sleeve pipe, the top of the rotating column is connected with an adjusting rod, the adjusting rod penetrates through the sleeve rod and is connected with an adjusting handle, the puncture needle is controlled to puncture through the pushing and pressing assembly, the stability of the puncture needle during puncture can be improved, and damage to a patient caused by hand shake and excessive puncture force during manual puncture is avoided.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a medical puncture needle.
Background
The puncture needle is a medical instrument for sampling and injecting the tissues of various organs such as kidney, liver, lung, mammary gland, thyroid gland, prostate, pancreas, testis, uterus, ovary, body surface and the like in the minimally invasive surgery, but local anesthesia needs to be carried out on a patient in the living body sampling process in the puncture process, at present, when the patient is anesthetized by a doctor in anesthesia department, the patient usually lies on the side of the bed, then the doctor is used for locating the needle insertion position, then the needle head of the anesthetic needle is inserted into the required depth manually, the doctor can only control the needle insertion position and depth by virtue of own experience, however, the manual operation force and accuracy easily deviate, so that the needle insertion position deviates, the anesthesia effect is affected, and the patient is injured; meanwhile, doctors can possibly puncture the anesthetic needle too deeply due to the conditions of hand shake, excessive force and the like, so that the injury to patients is caused, and the safety is low; sometimes, too shallow penetration of the anesthetic needle occurs, which affects the anesthetic effect.
The present utility model aims to provide a medical puncture needle to solve the above-mentioned problems in the background art.
Disclosure of Invention
In order to achieve the above purpose, the utility model provides a medical puncture needle, which comprises a puncture needle body and a medicine inlet pipe, wherein the medicine inlet pipe is detachably arranged in the puncture needle body, the puncture needle body is connected with a pushing and pressing assembly, the pushing and pressing assembly comprises a rotating column, the upper end and the lower end of the rotating column are respectively connected with a sleeve rod, one side of the sleeve rod is fixedly connected with a positioning ring, the positioning ring is sleeved with a movable sleeve pipe, the movable sleeve pipe is in sliding connection with the rotating column, the puncture needle body is detachably arranged in the movable sleeve pipe, the top of the rotating column is connected with an adjusting rod, and the adjusting rod penetrates through the sleeve rod and is connected with an adjusting handle.
As a further improvement of the utility model, the outer wall of the rotary column is provided with an arc-shaped guide rail, one side of the outer wall of the movable sleeve is symmetrically provided with sliding blocks matched with the arc-shaped guide rail, and the symmetrical sliding blocks are respectively attached to the upper end and the lower end of the arc-shaped guide rail.
As a further improvement of the utility model, the outer wall of the upper end of the movable sleeve is provided with a guide rod, and the inner wall of the positioning ring close to the upper end of the movable sleeve is provided with a positioning groove matched with the guide rod.
As a further improvement of the utility model, a fixed seat is arranged at the bottom of the sleeve rod at the lower end of the rotary column, and a positioning hole is formed in the top of one side of the fixed seat, which is close to the movable sleeve.
As a further improvement of the utility model, the top of the movable sleeve is provided with an L-shaped clamping groove on the inner wall, the bottom of the holding handle at the top end of the puncture needle body is provided with a fixed ring, and the outer wall of the fixed ring is provided with a clamping block matched with the L-shaped clamping groove.
As a further improvement of the utility model, the outer wall of the needle tip of the puncture needle body is provided with an ultrasonic positioning area, and the ultrasonic positioning area is formed by a plurality of evenly distributed grooves.
As a further improvement of the utility model, the top of the holding handle of the puncture needle body is provided with a thread part, the top end of the medicine feeding pipe is provided with a thread sleeve which is matched and fixed with the thread part, the top end of the thread sleeve is fixedly connected with a gunny pipe, and the top of the gunny pipe is connected with a medicine injection pipe.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is provided with the pushing component, the puncture needle body passes through the movable sleeve on the pushing component, the clamping block on the movable ring of the puncture needle body is matched and clamped with the L-shaped clamping groove at the top of the movable sleeve, then the adjusting handle is rotated to drive the adjusting rod and the rotating column to rotate, meanwhile, the sliding block on the movable sleeve is pushed downwards under the pushing of the arc-shaped guide rail on the rotating column to drive the puncture needle body in the movable sleeve to move downwards, so that the puncture stability can be improved when the puncture needle is used for puncturing, the puncture needle is prevented from shaking to bring secondary injury to a patient, and furthermore, the outer wall of the needle tip of the puncture needle is provided with the ultrasonic positioning area, so that the puncture accuracy can be better observed, the medicine feeding pipe is screwed and fixed with the thread part on the holding part of the puncture needle body through the thread sleeve on the medicine feeding pipe after the puncture is completed, and then the medicine injection pipe is used for injecting the gunny medicine.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a push assembly according to the present utility model;
FIG. 3 is an exploded view of the movable sleeve and stationary ring of the present utility model;
FIG. 4 is a schematic view of the structure of the puncture needle body according to the present utility model;
fig. 5 is a schematic view of the structure of the feeding tube of the present utility model.
In the figure: 1. a puncture needle body; 101. a groove; 102. a threaded portion; 103. a fixing ring; 104. a clamping block; 2. a medicine inlet pipe; 201. a thread sleeve; 202. a gunny tube; 203. a drug injection tube; 3. a spin column; 4. a loop bar; 401. a positioning ring; 402. a movable sleeve; 403. an arc-shaped guide rail; 404. a slide block; 405. an adjusting rod; 406. an adjusting handle; 407. a fixing seat; 408. a guide rod; 409. l-shaped clamping groove.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
The present utility model will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-5, the utility model provides a medical puncture needle, which comprises a puncture needle body 1 and a medicine feeding tube 2, wherein the medicine feeding tube 2 is detachably arranged in the puncture needle body 1, the puncture needle body 1 is connected with a pushing and pressing assembly, the pushing and pressing assembly comprises a rotating column 3, the upper end and the lower end of the rotating column 3 are respectively connected with a sleeve rod 4, one side of the sleeve rod 4 is fixedly connected with a positioning ring 401, the positioning ring 401 is sleeved with a movable sleeve 402, the movable sleeve 402 is in sliding connection with the rotating column 3, the puncture needle body 1 is detachably arranged in the movable sleeve 402, the top of the rotating column 3 is connected with an adjusting rod 405, and the adjusting rod 405 penetrates through the sleeve rod 4 and is connected with an adjusting handle 406.
When the puncture needle is used, the puncture needle body 1 passes through the movable sleeve 402 on the pushing component, the clamping block 104 on the movable ring of the puncture needle body is matched and clamped with the L-shaped clamping groove 409 at the top of the movable sleeve 402, then the adjusting handle 406 is rotated to drive the adjusting rod 405 to rotate with the rotating column 3, meanwhile, the sliding block 404 on the movable sleeve 402 pushes the sliding block 404 downwards under the pushing of the arc-shaped guide rail 403 on the rotating column 3 to drive the puncture needle body 1 in the movable sleeve 402 to move downwards, the puncture stability can be improved when the puncture needle is used for puncturing, the puncture needle is prevented from shaking to bring secondary injury to a patient, the medicine inlet pipe 2 is penetrated from the top end of the puncture needle body 1 to be screwed and fixed with the thread sleeve 201 on the holding part of the puncture needle body 1, and then the medicine injection tube 203 is used for injecting medicine.
Referring to fig. 1-2, an arc-shaped guide rail 403 is disposed on the outer wall of the rotary column 3, and a sliding block 404 matched with the arc-shaped guide rail 403 is symmetrically disposed on one side of the outer wall of the movable sleeve 402, and the sliding blocks 404 are respectively attached to the upper and lower ends of the arc-shaped guide rail 403.
The outer wall of the upper end of the movable sleeve 402 is provided with a guide rod 408, and the inner wall of the positioning ring 401 near the upper end of the movable sleeve 402 is provided with a positioning groove matched with the guide rod 408.
A fixed seat 407 is arranged at the bottom of the sleeve rod 4 at the lower end of the rotary column 3, and a positioning hole is formed in the top of one side of the fixed seat 407, which is close to the movable sleeve 402.
According to the embodiment, the arc-shaped guide rail 403 on the rotary column 3 can be rotated to enable the sliding block 404 on the movable sleeve 402 to move up and down, the guide rod 408 on the movable sleeve 402 moves up and down along the positioning groove on the inner wall of the positioning ring 401 when the movable sleeve 402 moves up and down, the limiting blocks are arranged at the upper end and the lower end of the guide rod 408, the sliding block 404 on the movable sleeve 402 can be prevented from being separated from the arc-shaped guide rail 403 on the rotary column 3, the fixed seat 407 at the lower end of the rotary column 3 can further play a supporting role when in puncturing, the positioning hole on the fixed seat 407 can play a primary positioning role when in puncturing, the outer wall of the movable sleeve 402 is provided with scales, the puncturing depth can be observed through the assistance of the scales, and the puncturing safety is improved.
Referring to fig. 3-5, an L-shaped clamping groove 409 is provided on the top of the movable sleeve 402, a fixing ring 103 is provided at the bottom of the handle at the top end of the puncture needle body 1, and a clamping block 104 matching with the L-shaped clamping groove 409 is provided on the outer wall of the fixing ring 103.
In this embodiment, through the L-shaped clamping groove 409 provided on the top inner wall of the movable sleeve 402, it is convenient to push the clamping block 104 of the outer wall of the handle bottom fixing ring 103 at the top end of the puncture needle body 1 downwards from the vertical groove of the L-shaped clamping groove 409 to the joint with the transverse groove, and then rotate the puncture needle body 1 to make the clamping block 104 slide into the groove to limit and fix the vertical direction of the puncture needle body 1, thereby realizing quick connection between the puncture needle body 1 and the movable sleeve 402.
An ultrasonic positioning area is arranged on the outer wall of the needle tip of the puncture needle body 1, and the ultrasonic positioning area is composed of a plurality of evenly distributed grooves 101.
The puncture position can be observed better by arranging the ultrasonic positioning area, so that the puncture accuracy is improved.
The puncture needle is characterized in that a threaded portion 102 is arranged at the top of a holding handle of the puncture needle body 1, a threaded sleeve 201 which is matched and fixed with the threaded portion 102 is arranged at the top end of the medicine inlet tube 2, a gunny tube 202 is fixedly connected to the top end of the threaded sleeve 201, and a medicine injection tube 203 is connected to the top of the gunny tube 202.
Screw thread sleeve 201 at the top end of medicine feeding tube 2 is screwed and matched with screw thread part 102 on the holding part of puncture needle body 1, so that the subsequent injection of gunny medicament through medicine injection tube 203 is facilitated.
When the utility model is used:
firstly, pass the movable sleeve 402 on the bulldozing subassembly with pjncture needle body 1, rethread pjncture needle body 1 top is held grab handle bottom solid fixed ring 103 outer wall's fixture block 104 and is pushed down to the junction with the cross slot from L type draw-in groove 409's vertical slot, rethread pjncture needle body 1 makes fixture block 104 slide into the inslot and carries out spacing fixed to pjncture needle body 1 vertical direction, thereby realize quick coupling between pjncture needle body 1 and the movable sleeve 402, fixing base 407 through column 3 lower extreme, can play the effect that a support when carrying out the puncture, the locating hole on fixing base 407 can play a preliminary location for the pjncture needle when the puncture, then make adjustment lever 405 and column 3 rotation through rotating adjustment handle 406, simultaneously the slider 404 on movable sleeve 402 pushes down it under the promotion of column 3 and drives pjncture needle body 1 in the movable sleeve 402 and carry out the puncture, further be equipped with the ultrasonic positioning area at the outer wall of pjncture needle, improve the effect through a plurality of recess 101 of column 3 lower extreme, can be convenient for carry out the effect that a support when carrying out the puncture needle tip, the injection needle tip 2 is more convenient for insert needle 2 and is more accurate to take place the injection needle 2 and is advanced and is more accurate to take place at the injection needle 2 and is more than needle 1 and is more accurate to be advanced needle 2 and is passed through needle 1 and is more than needle 2 and is screwed and is more than needle 2 on the needle injection needle 2 on the needle 2.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.
Claims (7)
1. The utility model provides a medical pjncture needle, includes pjncture needle body (1) and advances pencil (2), its characterized in that: the utility model provides a puncture needle with medicine feeding pipe (2) detachable installs in puncture needle body (1), puncture needle body (1) is connected with bulldozes the subassembly, bulldoze the subassembly and include column spinner (3), the upper and lower both ends of column spinner (3) are connected with loop bar (4) respectively, one side fixedly connected with holding ring (401) of loop bar (4), holding ring (401) cover is equipped with movable sleeve (402), movable sleeve (402) with column spinner (3) sliding connection, puncture needle body (1) detachable installs in movable sleeve (402), the top of column spinner (3) is connected with regulation pole (405), regulation pole (405) pass loop bar (4) are connected with adjustment handle (406).
2. A medical puncturing needle as claimed in claim 1, wherein: the outer wall of the rotary column (3) is provided with an arc-shaped guide rail (403), one side of the outer wall of the movable sleeve (402) is symmetrically provided with a sliding block (404) matched with the arc-shaped guide rail (403), and the sliding blocks (404) are respectively attached to the upper end and the lower end of the arc-shaped guide rail (403).
3. A medical puncturing needle as claimed in claim 1, wherein: the outer wall of the upper end of the movable sleeve (402) is provided with a guide rod (408), and the inner wall of the positioning ring (401) close to the upper end of the movable sleeve (402) is provided with a positioning groove matched with the guide rod (408).
4. A medical puncturing needle as claimed in claim 1, wherein: the bottom of the sleeve rod (4) at the lower end of the rotating column (3) is provided with a fixed seat (407), and a positioning hole is formed in the top of one side of the fixed seat (407) close to the movable sleeve (402).
5. A medical puncturing needle as claimed in claim 4, wherein: the top of movable sleeve (402) is equipped with the inner wall and is equipped with L type draw-in groove (409), the grab handle bottom is held on pjncture needle body (1) top is equipped with solid fixed ring (103), gu fixed ring (103) outer wall be equipped with L type draw-in groove (409) assorted fixture block (104).
6. A medical puncturing needle as claimed in claim 1, wherein: an ultrasonic positioning area is arranged on the outer wall of the needle tip of the puncture needle body (1), and the ultrasonic positioning area is composed of a plurality of evenly distributed grooves (101).
7. A medical puncturing needle as claimed in claim 6, wherein: the puncture needle is characterized in that a threaded portion (102) is arranged at the top of a holding handle of the puncture needle body (1), a threaded sleeve (201) which is matched and fixed with the threaded portion (102) is arranged at the top end of the medicine feeding tube (2), a gunny tube (202) is fixedly connected to the top end of the threaded sleeve (201), and a medicine injection tube (203) is connected to the top of the gunny tube (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323111599.XU CN220236983U (en) | 2023-11-17 | 2023-11-17 | Medical puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323111599.XU CN220236983U (en) | 2023-11-17 | 2023-11-17 | Medical puncture needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220236983U true CN220236983U (en) | 2023-12-26 |
Family
ID=89226115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323111599.XU Active CN220236983U (en) | 2023-11-17 | 2023-11-17 | Medical puncture needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220236983U (en) |
-
2023
- 2023-11-17 CN CN202323111599.XU patent/CN220236983U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |