CN220801597U - Guide needle matched with negative pressure ball - Google Patents
Guide needle matched with negative pressure ball Download PDFInfo
- Publication number
- CN220801597U CN220801597U CN202322120755.2U CN202322120755U CN220801597U CN 220801597 U CN220801597 U CN 220801597U CN 202322120755 U CN202322120755 U CN 202322120755U CN 220801597 U CN220801597 U CN 220801597U
- Authority
- CN
- China
- Prior art keywords
- needle
- plane
- rod
- negative pressure
- cutting
- 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.)
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Links
- 238000005520 cutting process Methods 0.000 claims abstract description 38
- 230000007704 transition Effects 0.000 claims description 13
- 235000013372 meat Nutrition 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 210000001519 tissue Anatomy 0.000 description 3
- 210000003205 muscle Anatomy 0.000 description 2
- 206010033675 panniculitis Diseases 0.000 description 2
- 210000004304 subcutaneous tissue Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000012084 abdominal surgery Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007460 surgical drainage Methods 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a guide needle matched with a negative pressure ball for use, which comprises a needle head, a needle rod and a needle tail which are sequentially and integrally connected, wherein the end part of the needle head is a cutting part, the cutting part is surrounded by an arc surface, a first plane, a second plane and a third plane and is in a tip shape, a first cutting edge is formed between the first plane and the second plane, a second cutting edge is formed between the second plane and the third plane, and the first cutting edge and the second cutting edge are intersected at the tip part of the cutting part. The cutting part of the needle head is provided with two cutting edges, so that when the cutting operation is performed, the cutting operation can be smoothly performed on the skin and meat tissues at two positions, and the damage to the skin and meat tissues caused by tearing can be effectively avoided.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a guide needle matched with a negative pressure ball.
Background
Surgical drainage is one of the basic means of surgical treatment and is also the basic operating skill of surgery. Drainage tubes are often required to be placed after abdominal surgery, and blood and excessive liquid are discharged out of the body through the drainage tubes in combination with negative pressure balls, so that viscera suturing or anastomotic stoma and wound healing are guaranteed. The needle is required to be guided for the puncturing operation prior to drainage.
In order to be more smooth when the guide needle is operated, the needle point of the guide needle is very sharp, the cutting end face of the guide needle is smooth, when the needle point is scratched to touch some subcutaneous tissues, the needle point cannot cut well, and therefore part of subcutaneous tissues can be torn along with the penetration of a needle rod, and other unnecessary injuries are caused to the penetrated parts.
Disclosure of utility model
The utility model aims to provide a guide needle matched with a negative pressure ball, which can solve the technical problems in the background art.
In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a guide needle that uses with negative pressure ball cooperation, includes needle head, needle bar and the needle tail that in proper order an organic whole is connected, the tip of needle head is cutting portion, and this cutting portion is enclosed by arc surface, first plane, second plane and third plane and is sharp form, form first cutting edge between first plane and the second plane, form the second cutting edge between second plane and the third plane, first cutting edge and second cutting edge are in the tip department of cutting portion meets.
Preferably, the included angle between the first plane and the second plane is 115 degrees, the included angle between the second plane and the third plane is 115 degrees, and the central angle of the arc surface is 50 degrees.
Preferably, a connecting rod is integrally connected between the needle head and the needle rod, the rod diameter of the connecting rod is smaller than that of the needle head and the needle rod, and the connecting rod can be bent and shaped at will.
Preferably, the connecting rod and the needle head and the connecting rod and the needle rod are in transition through conical surfaces.
Preferably, the outer circumferential surface of the needle bar is provided with a plurality of anti-skid grooves.
Preferably, a transition rod is integrally connected between the needle tail and the needle rod, the rod diameter of the transition rod is smaller than that of the needle tail and the needle rod, and a stepped groove is formed in the outer circular surface of the needle tail.
Compared with the prior art, the utility model has the beneficial effects that: the cutting part of the needle head is provided with two cutting edges, so that when the cutting operation is performed, the cutting operation can be smoothly performed on the skin and meat tissues at two positions, and the damage to the skin and meat tissues caused by tearing can be effectively avoided.
Drawings
Fig. 1 is a perspective view of an angle of the present utility model.
Fig. 2 is a perspective view of another angle of the present utility model.
Fig. 3 is a partial cross-sectional view of the present utility model.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-3, the utility model provides a guiding needle matched with a negative pressure ball, which comprises a needle head 1, a needle rod 2 and a needle tail 3 which are sequentially and integrally connected, wherein the end part of the needle head 1 is a cutting part, the cutting part is enclosed by an arc surface 4, a first plane 5, a second plane 6 and a third plane 7 and is in a tip shape, a first cutting edge 8 is formed between the first plane 5 and the second plane 6, a second cutting edge 9 is formed between the second plane 6 and the third plane 7, and the first cutting edge 8 and the second cutting edge 9 are intersected at the tip of the cutting part. According to the utility model, the needle tail 3 is connected with the negative pressure ball through the drainage tube, and when the puncturing operation is performed, the first blade 8 and the second blade 9 can simultaneously perform two cutting operations on skin and meat tissues around the puncturing position, so that the tearing damage of surrounding muscles can be avoided.
Preferably, the included angle between the first plane 5 and the second plane 6 is 115 degrees, the included angle between the second plane 6 and the third plane 7 is 115 degrees, the central angle of the arc surface 4 is 50 degrees, and the structural design is reasonable.
Preferably, a connecting rod 10 is integrally connected between the needle 1 and the needle bar 2, the rod diameter of the connecting rod 10 is smaller than that of the needle 1 and the needle bar 2, the connecting rod 10 can be bent and shaped at will, the connecting rod 10 can enable the needle 1 to bend at a certain angle relative to the needle bar 2 under the action of an enough external force, and the angle adjustment of inserting the needle 1 into muscle tissues is facilitated when an operator uses the needle.
Preferably, the connection rod 10 and the needle head 1, and the connection rod 10 and the needle rod 2 are all in transition through the conical surface 11, so that the whole transition is gentle, and the blocking during the puncturing is avoided.
Preferably, the outer circumference of the needle bar 2 is provided with a plurality of anti-slip grooves 12, and an operator can pinch the anti-slip grooves 12 to perform the puncturing operation, so that the operation is convenient.
Preferably, a transition rod 13 is integrally connected between the needle tail 3 and the needle rod 2, the rod diameter of the transition rod 13 is smaller than that of the needle tail 3 and the needle rod 2, a stepped groove 14 is formed in the outer circular surface of the needle tail 3, when the drainage tube is sleeved on the needle tail 3, the tail end of the drainage tube can be embedded on the transition rod 13 due to the fact that the transition rod 13 is a groove formed between the needle tail 3 and the needle rod 2, and friction force between the needle tail 3 and the drainage tube can be increased due to the position of the transition rod 13 and the position of the stepped groove 14, so that the drainage tube is prevented from falling from the needle tail 3 in the puncturing process.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (6)
1. The utility model provides a guide needle that uses with negative pressure ball cooperation, includes syringe needle, needle bar and the needle tail of in proper order an organic whole connection, its characterized in that: the end part of the needle head is a cutting part, the cutting part is formed by an arc surface, a first plane, a second plane and a third plane in a surrounding mode and is in a tip shape, a first cutting edge is formed between the first plane and the second plane, a second cutting edge is formed between the second plane and the third plane, and the first cutting edge and the second cutting edge are intersected at the tip of the cutting part.
2. The introducer needle for use with a negative pressure ball of claim 1, wherein: the included angle between the first plane and the second plane is 115 degrees, the included angle between the second plane and the third plane is 115 degrees, and the central angle of the arc surface is 50 degrees.
3. The introducer needle for use with a negative pressure ball of claim 1 or 2, wherein: the needle head and the needle rod are connected with a connecting rod in an integrated manner, the rod diameter of the connecting rod is smaller than that of the needle head and the needle rod, and the connecting rod can be bent and shaped at will.
4. A guide needle for use with a negative pressure ball as claimed in claim 3, wherein: the connecting rod and the needle head and the connecting rod and the needle rod are in transition through conical surfaces.
5. The introducer needle for use with a negative pressure ball of claim 1 or 2, wherein: the outer circumferential surface of the needle bar is provided with a plurality of anti-skid grooves.
6. The introducer needle for use with a negative pressure ball of claim 1 or 2, wherein: the transition rod is integrally connected between the needle tail and the needle rod, the rod diameter of the transition rod is smaller than that of the needle tail and the needle rod, and the outer circular surface of the needle tail is provided with a stepped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322120755.2U CN220801597U (en) | 2023-08-08 | 2023-08-08 | Guide needle matched with negative pressure ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322120755.2U CN220801597U (en) | 2023-08-08 | 2023-08-08 | Guide needle matched with negative pressure ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220801597U true CN220801597U (en) | 2024-04-19 |
Family
ID=90700684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322120755.2U Active CN220801597U (en) | 2023-08-08 | 2023-08-08 | Guide needle matched with negative pressure ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220801597U (en) |
-
2023
- 2023-08-08 CN CN202322120755.2U patent/CN220801597U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315499 Yangming Street, Qishan Village, Gujiayan, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Jiyun Medical Instrument Co.,Ltd. Country or region after: China Address before: 315499 Fengshan Bridge 39-2, Fanzhou Village, Yangming Street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: Ningbo Jiyun Medical Instrument Co.,Ltd. Country or region before: China |