CN217853220U - Disposable cyst treatment needle - Google Patents
Disposable cyst treatment needle Download PDFInfo
- Publication number
- CN217853220U CN217853220U CN202220253910.0U CN202220253910U CN217853220U CN 217853220 U CN217853220 U CN 217853220U CN 202220253910 U CN202220253910 U CN 202220253910U CN 217853220 U CN217853220 U CN 217853220U
- Authority
- CN
- China
- Prior art keywords
- needle
- handle
- cavity
- tube
- disposable
- 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.)
- Active
Links
Images
Abstract
The utility model relates to the technical field of medical appliances, and provides a disposable cyst treatment needle, which comprises a needle handle, wherein the bottom of the needle handle is coaxially connected with a puncture needle tube; a needle core is inserted into the puncture needle tube from the top of the cavity; the needle core is fixed at the bottom of the needle seat; the needle seat is connected with the top end of the needle handle in a matching way; the top end of the needle handle is provided with a guide part; one side of the middle part of the needle handle is provided with a tapping part, and a hose is connected with the tapping part; one end of the hose far away from the split part is connected with a medical tube plug valve; the top of the cavity is provided with a one-way silica gel hemostatic valve which can limit liquid entering the cavity from flowing out of the top end of the cavity; the bottom of the needle handle is provided with a needle inserting part which is connected with a puncture needle tube. The utility model discloses a disposable cyst treatment needle can guarantee to make cyst treatment needle be in airtight state constantly when the operation, can divide the pipeline directly to realize taking out the bag/pus or injecting into the liquid medicine at any time to reducible removal treatment needle.
Description
Technical Field
The utility model relates to the technical field of medical equipment, belong to advanced treatment facility and service in the medical engineering industry, simultaneously, also relate to medical inspection and inspection instrument field. In particular to a disposable cyst treatment needle.
Background
Cyst puncture is a common treatment method in clinic. Generally, the specific steps are as follows:
1. firstly, the position of the cyst is positioned through color ultrasonography, and the local skin of the puncture point is disinfected conventionally, and is paved with sterile towels and local anaesthesia.
2. After local infiltration and anesthesia are satisfied, a needle is slowly/quickly inserted into the skin at a selected needle insertion point. Enter the inside of the cyst under the guidance of the color ultrasound, and avoid damaging important blood vessels and nerves.
3. Pumping a proper amount of capsule liquid, conveying the capsule liquid to bacterial culture examination or pathology examination, and injecting hardening agents such as lauromacrogol and the like to perform hardening treatment.
Interventional consumable "disposable cyst treatment needle" is widely used in clinical medical activities, but conventional cyst treatment needle has the drawback, promptly: the cyst needle is in a state of being communicated with the outside or being open after penetrating into a target cyst and exiting from the needle core, at the moment, cyst fluid/pus of lesion tissues flow out along the needle tail instantly, and when an external syringe or a drainage hose repeatedly sucks or injects medicine, the needle tail is often shaken, so that the depth of the cyst needle is changed, even the cyst needle is missed from a target and unnecessary tissues in puncture are caused, and the treatment time and the treatment risk are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to at least partially overcome the defects of the prior art and provide a disposable cyst treatment needle.
The utility model also aims to provide a disposable cyst treatment needle, which does not need an additional external injector or a drainage hose to suck pus or inject medicine, thereby reducing the operation difficulty.
An object of the utility model is to provide a disposable cyst treatment needle can make cyst treatment needle be in airtight state constantly after withdrawing from the nook closing member.
An object of the utility model is to provide a disposable cyst treatment needle reduces the backshank when the operation, avoids causing treatment needle inserting needle depth to change, off-target even, or thorn in the unnecessary tissue, increases treatment time, increases the problem of treatment risk, alleviates the painful sense of disease.
In order to achieve one of the above purposes, the technical solution of the present invention is as follows:
a disposable cyst treatment needle comprises a needle handle, wherein a cavity is arranged inside the needle handle;
the bottom of the needle handle is coaxially connected with a puncture needle tube, and the puncture needle tube is communicated with the cavity;
a needle core is inserted into the puncture needle tube from the top of the cavity;
the needle core is fixed at the bottom of the needle seat;
the needle seat is connected with the top end of the needle handle in a matching way;
the top end of the needle handle is provided with a guide part which is communicated with the cavity and is matched and connected with the needle seat through the guide part;
a shunting part is arranged on one side of the middle part of the needle handle and is communicated with the cavity;
a hose is connected through the split part;
one end of the hose, which is far away from the split part, is connected with a medical tube plug valve;
the top of the cavity is provided with a one-way silica gel hemostatic valve which can limit liquid entering the cavity from flowing out of the top end of the cavity;
the bottom of the needle handle is provided with a needle inserting part, and the needle inserting part is connected with the puncture needle tube;
the bottom of the puncture needle tube is provided with a needle head, and the side wall of the bottom of the puncture needle tube is provided with a plurality of needle holes.
Preferably, the guide portion is cylindrical, and a pair of protruding plates is oppositely arranged on the outer side wall of the guide portion.
Preferably, a pair of positioning grooves is oppositely formed in the side wall of the needle seat, and when the needle seat is matched and connected with the needle handle, the convex plate is inserted into the positioning grooves.
Preferably, the needle base is a cylinder with an opening at the bottom, a mounting sleeve is fixed in the middle of the inside of the needle base, and the needle core is inserted and fixed in the mounting sleeve.
Preferably, when the needle holder is connected with the needle handle in a matching manner, the mounting sleeve is inserted into the guide part.
Preferably, the medical tube plug valve is a three-way valve.
Preferably, a rice-shaped needle inserting groove is formed in the middle of the one-way silica gel hemostatic valve.
Preferably, the needle head has a conical tip, the needle holes are circumferentially distributed on the circumferential side wall of the puncture needle tube, and the number of the needle holes is 4.
Preferably, the length of the puncture needle tube is 100-200mm, the puncture needle tube is 14-21G thick, the needle core is 15-22G thick, and the inner diameter of the puncture needle tube is larger than the outer diameter of the needle core.
Preferably, the extension direction of the coupling portion is perpendicular to the longitudinal extension direction of the puncture needle tube, or the coupling portion extends from the needle shaft toward the front side of the treatment needle, or the coupling portion extends from the needle shaft toward the rear side of the treatment needle.
The utility model discloses beneficial effect:
1. the needle handle is internally provided with a one-way hemostatic valve which can ensure that the cyst treatment needle is always in a closed state during operation, and cyst fluid of lesion tissues can not flow out after the needle core is withdrawn;
2. a medical tube plug valve is connected, and the device can be divided into a pipeline to directly realize the extraction of the sac/pus or the injection of liquid medicine at any time;
3. the movable treatment needle can be reduced, the depth change of the insertion needle of the treatment needle and even the off-target can be avoided, the treatment risk can be reduced, and the pain of patients can be relieved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the needle core with the component pulled out;
fig. 3 is a schematic structural view of the needle core connecting assembly of the present invention;
FIG. 4 is a schematic structural view of a one-way silica gel hemostatic valve of the present invention;
FIG. 5 is a schematic view of a component of the medical tube plug valve of the present invention;
FIG. 6 is a schematic view of the needle handle of the present invention;
FIG. 7 is a schematic view of a structure of the component needle holder of the present invention;
FIG. 8 is a schematic structural view of an embodiment of the vertical installation of the component hose of the present invention;
FIG. 9 is a schematic view of an embodiment of the present invention in which the component hose is installed obliquely downward;
fig. 10 is a schematic structural diagram of an embodiment of the present invention in which the component software is installed obliquely upward.
Detailed Description
Exemplary embodiments of the present invention will be described in detail below with reference to the attached drawings, wherein like or similar reference numerals denote like or similar elements. Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
As shown in fig. 1-2, comprises a needle handle 1, and a cavity is arranged inside the needle handle 1. The needle handle 1 is configured to include a square frame and a substantially cylindrical core inside the square frame, the front and rear sides of the square frame are open, the left and right sides are plate surfaces constituting the square frame, and the plate surfaces of the left and right sides are slightly recessed in the direction of the cylindrical core, so that after setting, an operator can hold the needle on the left and right sides when operating the cyst treatment needle, and the operation is facilitated.
The cavity is formed by a cylindrical core, the top end of the cavity is a cylindrical cavity, and the bottom of the cavity is a circular truncated cone-shaped cavity.
The bottom of the needle handle 1 is provided with a needle inserting part 104, a puncture needle tube 2 is coaxially connected with the needle inserting part 104, and the puncture needle tube 2 is communicated with the cavity.
The puncture needle tube 2 and the needle inserting part 104 can be connected in various ways, the puncture needle tube 2 is not recyclable, and the inner cavity of the needle handle 1 is not easy to clean and is a disposable part.
One exemplary form of the needle portion 104 can be seen in fig. 6, which is designed with a two-layer ring structure, an inner ring and an outer ring, with a hollow space therebetween, the inner ring for receiving the puncture needle cannula 2.
A needle core 3 is inserted into the puncture needle tube 2 from the top of the cavity;
the needle core 3 is fixed at the bottom of the needle seat 4;
the needle stand 4 is connected with the top end of the needle handle 1 in a matching way;
as shown in fig. 3 and 7, the needle holder 4 is a cylinder with an open bottom, a mounting sleeve 402 is fixed in the middle inside the needle holder 4, and the needle core 3 is inserted and fixed in the mounting sleeve 402. The needle seat 4 can also be a rectangular frame with a downward opening, and only the cylindrical needle seat 4 has better holding hand feeling.
The top end of the needle handle 1 is provided with a guide part 101, the guide part 101 is communicated with the cavity and is matched and connected with the needle seat 4 through the guide part 101;
when the needle seat 4 is matched and connected with the needle handle 1, the installation sleeve 402 is inserted into the guide part 101; the bottom of the mounting sleeve 402 is provided with an inverted conical head, so that the bottom outer diameter of the mounting sleeve is smaller, and the guide part 101 can be inserted more conveniently.
As shown in fig. 6, wherein the guide part 101 is cylindrical, the outer side wall of the guide part 101 is oppositely provided with a pair of convex plates 103;
wherein, a pair of positioning grooves 401 is oppositely arranged in the side wall of the needle seat 4, and when the needle seat 4 is matched and connected with the needle handle 1, the convex plate 103 is inserted into the positioning grooves 401. The number of the convex plates 103 and the positioning grooves 401 may be plural respectively, the plural convex plates 103 are uniformly arranged on the circumference of the outer side wall of the guide part 101, and the plural positioning grooves 401 are uniformly arranged on the circumference of the side wall of the needle holder 4. In the embodiment of fig. 1, the number of the protruding plate 103 and the positioning groove 401 is two.
Alternatively, in addition to the positioning means of the protruding plate 103 and the positioning groove 401, the needle holder 4 and the needle handle 1 may be additionally provided with a snap-fit connection mechanism by which the needle holder 4 and the needle handle 1 are fixed and released.
Preferably, the needle seat 4 and the needle handle 1 are connected together through screw threads.
A tapping part 102 is arranged on one side of the middle part of the needle handle 1, and the tapping part 102 is communicated with the cavity;
a hose 5 is connected to the connection part 102;
the other end of the hose 5 is connected with a medical tube plug valve 6;
the utility model discloses the pipe plug valve 6 for traditional chinese medical science is the three-way valve.
The top of the cavity is provided with a one-way silica gel hemostatic valve 7, and the one-way silica gel hemostatic valve 7 can limit liquid entering the cavity from flowing out of the top end of the cavity;
as shown in fig. 4, a rice-shaped pin slot 701 is arranged in the middle of the one-way silica gel hemostatic valve 7;
the rice-shaped needle inserting groove 701 can facilitate the needle core 3 to be inserted through the one-way silica gel hemostatic valve 7.
The bottom of the puncture needle tube 2 is provided with a conical needle 202, the side wall of the head of the puncture needle tube 2 within the range of 4-6mm is symmetrically provided with 4 needle holes 201 in a layered manner, and the needle holes 201 are circumferentially distributed on the circumferential side wall of the puncture needle tube 2.
The needle holes 201 uniformly distributed on the whole body at the bottom of the puncture needle tube 2 are beneficial to improving the extraction of the sac liquid and also beneficial to uniformly distributing the liquid medicine to the focus.
Wherein, the length of the puncture needle tube 2 is 100-200mm, the puncture needle tube 2 is 21G thick, the needle core 3 is 22G thick, and the inner diameter of the puncture needle tube 2 is larger than the outer diameter of the needle core 3.
The extension direction of the coupling portion 102 may be perpendicular to the longitudinal extension direction of the puncture needle tube 2, which is shown in the embodiment of fig. 8, or the coupling portion 102 may extend from the needle shaft 1 toward the front side of the treatment needle, see fig. 9, or the coupling portion 102 may extend from the needle shaft 1 toward the rear side of the treatment needle, see fig. 10.
When in use, the specification of the puncture needle tube 2 is selected and the needle core 3 with a smaller specification is selected in a matching way according to the characteristics of a focus.
The three-way valve is connected to the liquid suction device and the medicine injection pipe to realize the extraction of the sac/pus or the injection of the medicine liquid.
Then, with the help of the imaging device, the puncture needle tube 2 carrying the puncture needle core 3 is inserted into the proper position of the focus.
The outer side wall of the puncture needle tube 2 can be provided with scale marks, and whether the puncture needle tube 2 is inserted in place or not is judged in an auxiliary way according to the scale marks.
After the puncture needle tube 2 is inserted into the focus, the needle core 3 is pulled out from the guide opening.
When the puncture needle tube 2 is inserted into a cyst, the cyst fluid enters the puncture needle tube 2 through the needle hole 201. The cyst fluid in the cyst is extracted by opening a liquid extractor connected with a three-way valve.
Then the three-way valve is controlled, the medicine inlet pipe is switched to carry out medicine inlet, the liquid medicine passes through the hose 5, the cavity of the needle handle 1 and the puncture needle tube 2, and finally the liquid medicine is scattered to all parts of the cyst focus from all needle holes 201.
In the process, the puncture needle tube 2 does not need to be shaken again to connect the liquid suction device or the medicine injection device after the needle core 3 is drawn out, so that the problems of incomplete needle insertion and even target miss of the puncture needle tube 2 are avoided, and the pain can be relieved.
The utility model discloses beneficial effect:
1. the needle handle is internally provided with a one-way hemostatic valve which can ensure that the cyst treatment needle is always in a closed state during operation, and cyst fluid of lesion tissues can not flow out after the needle core is withdrawn;
2. a medical tube plug valve is connected, and can be used for directly extracting the sac/pus or injecting liquid medicine at any time through a pipeline;
3. the movable treatment needle can be reduced, the depth change of the insertion needle of the treatment needle and even the off-target can be avoided, the treatment risk can be reduced, and the pain of the patient can be relieved.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention.
List of reference numerals:
1. a needle handle;
101. a guide part;
102. a tapping portion;
103. a convex plate;
104. a pin portion;
2. puncturing a needle tube;
201. a pinhole;
202. a needle head;
3. a needle core;
4. a needle seat;
401. positioning a groove;
402. installing a sleeve;
5. a hose;
6. a medical tube plug valve;
7. a one-way silica gel hemostatic valve;
701. a pin slot.
Claims (10)
1. A disposable cyst treatment needle comprises a needle handle (1), wherein a cavity is arranged inside the needle handle (1);
the bottom of the needle handle (1) is coaxially connected with a puncture needle tube (2), and the puncture needle tube (2) is communicated with the cavity;
a needle core (3) is inserted into the puncture needle tube (2) from the top of the cavity;
the needle core (3) is fixed at the bottom of the needle seat (4);
the needle seat (4) is connected with the top end of the needle handle (1) in a matching way;
the method is characterized in that:
the top end of the needle handle (1) is provided with a guide part (101), the guide part (101) is communicated with the cavity, and the needle handle is matched and connected with the needle seat (4) through the guide part (101);
a shunting part (102) is arranged on one side of the middle part of the needle handle (1), and the shunting part (102) is communicated with the cavity;
a hose (5) is connected to the tap (102);
one end of the hose (5) far away from the tapping part (102) is connected with a medical tube plug valve (6);
the top of the cavity is provided with a one-way silica gel hemostatic valve (7), and the one-way silica gel hemostatic valve (7) can limit liquid entering the cavity from flowing out of the top end of the cavity;
the bottom of the needle handle (1) is provided with a needle inserting part (104), and the needle inserting part (104) is connected with the puncture needle tube (2);
the bottom of puncture needle tubing (2) is equipped with syringe needle (202), the bottom lateral wall of puncture needle tubing (2) is equipped with a plurality of pinholes (201).
2. A disposable cyst treatment needle as claimed in claim 1, characterized in that the guide part (101) is cylindrical and the outer side wall of the guide part (101) is provided oppositely with a pair of flanges (103).
3. A disposable cyst treatment needle as claimed in claim 2, characterized in that the side wall of the needle holder (4) is provided with a pair of locating slots (401) in opposite directions, the protruding plate (103) being inserted into the locating slots (401) when the needle holder (4) is mated with the needle handle (1).
4. The disposable cyst treatment needle according to claim 1, characterized in that the needle seat (4) is a cylinder with an open bottom, a mounting sleeve (402) is fixed in the middle inside the needle seat (4), and the needle core (3) is inserted and fixed in the mounting sleeve (402).
5. A disposable cyst treatment needle as claimed in claim 4, characterized in that the mounting sleeve (402) is inserted in the guide (101) when the needle hub (4) is mated with the needle handle (1).
6. A disposable cyst treatment needle according to claim 1, characterized in that the medical tube stopper valve (6) is a three-way valve.
7. The disposable cyst treatment needle according to claim 1, characterized in that the middle of the one-way silica gel hemostatic valve (7) is provided with a insertion groove (701) shaped like a Chinese character 'mi'.
8. A single-use cyst treatment needle as claimed in claim 1, characterized in that the needle head (202) has a conical tip, the needle holes (201) are circumferentially distributed on the circumferential side wall of the puncture needle tube (2), the number of needle holes (201) being 4.
9. The disposable cyst treatment needle according to claim 1, wherein the puncture needle tube (2) has a length of 100-200mm, the puncture needle tube (2) has a thickness of 14-21G, the needle core (3) has a thickness of 15-22G, and the inner diameter of the puncture needle tube (2) is larger than the outer diameter of the needle core (3).
10. A disposable cyst treatment needle according to any one of claims 1-9, characterized in that:
the extending direction of the partial connection part (102) is vertical to the longitudinal extending direction of the puncture needle tube (2), or the partial connection part (102) extends from the needle handle (1) to the front side of the treatment needle, or the partial connection part (102) extends from the needle handle (1) to the back side of the treatment needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220253910.0U CN217853220U (en) | 2022-02-07 | 2022-02-07 | Disposable cyst treatment needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220253910.0U CN217853220U (en) | 2022-02-07 | 2022-02-07 | Disposable cyst treatment needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217853220U true CN217853220U (en) | 2022-11-22 |
Family
ID=84084552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220253910.0U Active CN217853220U (en) | 2022-02-07 | 2022-02-07 | Disposable cyst treatment needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217853220U (en) |
-
2022
- 2022-02-07 CN CN202220253910.0U patent/CN217853220U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011109390A2 (en) | High-flow tapered peripheral iv catheter with side outlets | |
| CN108721708B (en) | Thyroid cyst suction device | |
| CN102029008A (en) | Compound puncture drainage needle | |
| US20120078095A1 (en) | High-flow tapered peripheral iv catheter with side outlets | |
| CN111012453A (en) | Clinical piercing depth of cardiovascular internal medicine | |
| CN217853220U (en) | Disposable cyst treatment needle | |
| CN207693655U (en) | A kind of medical puncture needle | |
| CN201492486U (en) | Multipurpose medical puncture needle | |
| CN210355625U (en) | Disposable concession type local anesthesia puncture needle kit | |
| CN209808487U (en) | Percutaneous lung puncture auxiliary trocar | |
| CN106512112B (en) | Drainage system for body cavity effusion | |
| CN210962231U (en) | Interventional therapy device for cardiovascular disease | |
| CN208319611U (en) | A kind of thoracic cavity liquid pumping needle | |
| CN210811398U (en) | Intracardiac branch of academic or vocational study puncture draw liquid device | |
| CN209285918U (en) | A kind of auripuncture trocar | |
| CN217772465U (en) | Puncture drainage sleeve suitable for superficial tissue organ | |
| CN209316708U (en) | Injector for medical purpose | |
| CN219208349U (en) | Pericardium puncture assembly | |
| CN211066933U (en) | Ultrasonic guide nerve blocking needle structure | |
| CN215690619U (en) | Injection device for laparoscopic surgery | |
| CN217014168U (en) | Prevent blockking up abdominocentesis honeycomb duct | |
| WO2022052797A1 (en) | Myocardial filling system | |
| CN220109821U (en) | Injector used in ovum taking operation process | |
| CN216148164U (en) | Cyst puncture needle | |
| CN201418774Y (en) | Biopsy puncture needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |