CN213156287U - Sleeve joint type internal fistula puncture needle capable of preventing puncture wound - Google Patents
Sleeve joint type internal fistula puncture needle capable of preventing puncture wound Download PDFInfo
- Publication number
- CN213156287U CN213156287U CN202021160955.0U CN202021160955U CN213156287U CN 213156287 U CN213156287 U CN 213156287U CN 202021160955 U CN202021160955 U CN 202021160955U CN 213156287 U CN213156287 U CN 213156287U
- Authority
- CN
- China
- Prior art keywords
- needle
- sleeve
- internal fistula
- puncture
- tube
- 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
- 206010016717 Fistula Diseases 0.000 title claims abstract description 32
- 230000003890 fistula Effects 0.000 title claims abstract description 32
- 206010052428 Wound Diseases 0.000 title description 3
- 208000012266 Needlestick injury Diseases 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 6
- 230000000474 nursing effect Effects 0.000 abstract description 4
- 208000035049 Blood-Borne Infections Diseases 0.000 abstract description 2
- 206010073310 Occupational exposures Diseases 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 208000015181 infectious disease Diseases 0.000 abstract description 2
- 239000002906 medical waste Substances 0.000 abstract description 2
- 231100000675 occupational exposure Toxicity 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 235000009161 Espostoa lanata Nutrition 0.000 description 2
- 240000001624 Espostoa lanata Species 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000005224 forefinger Anatomy 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The application provides a cup joint type internal fistula puncture needle capable of preventing puncture of a needle from injuring an internal fistula, which is applied to the field of medical instruments and comprises a needle head, a needle tube and a trocar component; the needle head is connected with the needle tube, and the trocar assembly is arranged on the needle tube; the trocar assembly comprises a first sleeve, a second sleeve and a telescopic piece; the first sleeve and the second sleeve contract or extend on the needle tube through the telescopic piece; when the needle is stretched, the first sleeve and the second sleeve are separated, and the second sleeve covers the needle head; the bottom end of the telescopic piece is provided with a clamping piece; the existing internal fistula puncture needle cannot solve the problem that in the pushing process, the needle tube is twisted due to wrong angles or large force, the needle cannot be clamped into the clamp, the nursing staff can be injured by needle puncture due to rebound of the needle tip or the needle can be randomly placed in the sharps box due to poor clamping of the needle, the exposed needle tip increases the risk of occupational exposure of medical waste disposers, and the infection and the transmission of blood borne diseases are caused.
Description
Technical Field
The application relates to the technical field of medical instruments, in particular to a cup joint type internal fistula puncture needle capable of preventing puncture.
Background
An internal fistula puncture needle is an indispensable medical instrument in hemodialysis treatment and mainly comprises a stainless steel puncture needle body, needle wings, a tube body, a tube buckle, a joint and the like, when the internal fistula puncture needle in the prior art is inserted into an arteriovenous internal fistula of a patient for dialysis, the tube buckle is arranged on the tube, when the internal fistula puncture needle needs to be pulled out, an operator firstly covers the puncture opening with the cotton ball, and then pulls out the internal fistula needle after pushing the pipe buckle back to the needle wing with the other hand, and then pushes the pipe buckle to completely cover the needle point, the needle tube may be twisted due to wrong angle or larger force during the pushing process, so that the needle head cannot be clamped into the tube buckle, the nursing staff can be injured by the needle due to the rebounding of the needle point or can be randomly placed in the sharps box due to the poor clamping of the needle head, the bare needle tip increases the risk of occupational exposure of medical waste disposers, causing infection and transmission of blood borne diseases.
SUMMERY OF THE UTILITY MODEL
This application aims at solving and can lead to the needle tubing distortion because the angle error or exert oneself slightly in promoting the in-process, make the syringe needle can't block into the clip, seriously can lead to the syringe needle to lead to nursing staff to stab, make the direct and medical personnel's of patient's blood technical problem that blood contacted because of the syringe needle distortion, provide a muff-coupling type prevents that the needle punctures internal fistula pjncture needle.
The application adopts the following technical means for solving the technical problems:
a cup joint type internal fistula puncture needle capable of preventing needle stick injury comprises a needle head, a needle tube and a trocar component; the needle head is connected with the needle tube, and the trocar assembly is arranged on the needle tube;
the trocar assembly comprises a first sleeve, a second sleeve and a telescopic piece;
the first sleeve and the second sleeve contract or extend on the needle tube through the telescopic piece;
upon extension, the first and second sleeves are separated and the second sleeve covers the needle.
Furthermore, the bottom of extensible member is equipped with the block ware, the extensible member with the block ware joint.
Further, the fastener has two supporting blocks for box structure and inner chamber, two the supporting block is relative setting and has the recess, just the supporting block is soft structure, the border of extensible member and the recess looks adaptation of two supporting blocks.
Further, the telescopic part is a hose.
Furthermore, the device also comprises a closing plate, wherein the closing plate is arranged on two sides of the top end of the second sleeve and is of a soft structure.
Furthermore, the needle tube fixing device further comprises a clamping piece, wherein the clamping piece is arranged at the joint between the trocar component and the needle tube, and the trocar component and the needle tube are fixed or detached through the clamping piece.
Further, the joint spare is the fixture block, the fixture block cover is established fixedly on the needle tubing, be equipped with first texture on the lateral wall of fixture block, the trocar subassembly corresponds with first texture and is equipped with the second texture, first texture with second texture spiral block.
The application provides a needle stick wound internal fistula pjncture needle is prevented to cup joint formula has following beneficial effect: through the needle, needle tube and trocar assembly; the needle head is connected with the needle tube, and the trocar assembly is arranged on the needle tube; the trocar assembly comprises a first sleeve, a second sleeve and a telescopic piece; the first sleeve and the second sleeve contract or extend on the needle tube through the telescopic piece; when the needle is stretched, the first sleeve and the second sleeve are separated, and the second sleeve covers the needle head; the bottom end of the telescopic piece is provided with a clamping piece, and the telescopic piece is clamped with the clamping device; the clamping device is of a box structure, two abutting blocks are arranged in an inner cavity of the clamping device, the two abutting blocks are oppositely arranged and are provided with grooves, the abutting blocks are of a soft structure, and the edges of the telescopic pieces are matched with the grooves of the two abutting blocks; the technical problems that the existing internal fistula puncture needle cannot solve the technical problem that in the pushing process, a needle tube is distorted due to an angle error or a slightly large force, the needle head cannot be clamped into a clamp, the needle head is rebounded due to the distortion of the needle tube, nursing staff are injured by a needle, and the blood of a patient is directly contacted with the blood of medical staff are seriously caused.
Drawings
FIG. 1 is a schematic view of the overall structure of one embodiment of the sleeved type anti-needle-stick internal fistula puncture needle of the present application;
FIG. 2 is a schematic view of the trocar assembly of one embodiment of the sleeved type anti-needle stick internal fistula puncture needle of the present application;
fig. 3 is a schematic view of a tightening block of one embodiment of the sleeved type internal fistula puncture needle with puncture prevention.
The implementation, functional features and advantages of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terms "comprises," "comprising," and "having" and any variations thereof in the description and claims of this application and the drawings described above are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. In the claims, the description and the drawings of the specification of the present application, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1-3, a schematic structural diagram of a sleeved type internal fistula puncture needle for preventing needle stick injury in an embodiment of the present application is shown;
the sleeved type internal fistula puncture needle capable of preventing puncture injury caused by a needle comprises a needle head 1, a needle tube 2 and a trocar assembly 3; the needle 1 is connected with the needle tube 2, and the trocar component 3 is arranged on the needle tube 2;
the trocar assembly 3 comprises a first sleeve 301, a second sleeve 4 and a telescopic member;
the first sleeve 301 and the second sleeve 4 are contracted or extended on the needle tube 2 through a telescopic piece;
upon extension, the first sleeve 301 and the second sleeve 4 are separated and the second sleeve 4 covers the needle 1.
Specifically, the telescopic member is most preferably a hose 305, when the internal fistula puncture needle is in an original state, the second sleeve 4 is sleeved on the first sleeve 301, and the needle 1 sequentially penetrates through the first sleeve 301 and the second sleeve 4; when the nurse pulls out the needle and makes second sleeve 4 parcel syringe needle 1, medical personnel press the puncture port with the cotton ball with one hand, the forefinger of another hand is pressed on friction texture 401, thumb and middle finger are put and are made second sleeve 4 and first sleeve 301 separation in needle wing both sides simultaneously, the second sleeve is in the state of supporting tight patient's skin always at the separation in-process, slowly pull down the needle wing, will wrap syringe needle 1 after reaching second sleeve 301 and the extension of second sleeve 4, potential safety hazard when preventing to retrieve and the condition of touching syringe needle 1 cross infection carelessly.
In another embodiment, the bottom end of the telescopic member is provided with a fastener 302, and the telescopic member is fastened with the fastener 302.
The fastener 302 is a box structure and has two abutting blocks 306 in the inner cavity, the two abutting blocks 306 are oppositely arranged and have grooves, the abutting blocks 306 are of a soft structure, and the edge of the telescopic member is matched with the grooves of the two abutting blocks 306.
When the plastic film is shrunk, the plastic film is stretched,
in order to prevent the second sleeve 4 from popping out during the injection process, the abutting block 306 is internally provided with a containing hole, the hose 305 is locked in the containing hole through folding, the containing hole prevents the hose 305 from popping out due to the elastic deformation restoration, and further the second sleeve 4 pops out,
specifically, both sides are wave structure when hose 305 is in normal condition, and when hose 305 changed to the compression state, then the wave structure of hose 305 both sides compressed gradually and is the setting of protruding point form, and the inside through supporting piece 306 has two recesses with the protruding point looks adaptation of hose 305 and supports tightly for second sleeve 4 can be fixed when compressing to the bottom for the protruding point state.
In an embodiment, the device further comprises a closing plate 402, the closing plate 402 is disposed on two sides of the top end of the second sleeve 4, and the closing plate 402 is of a flexible structure.
Specifically, the closing plate 402 is arranged on two sides of the top end outer side of the second sleeve 4, because the closing plate 402 is of a soft structure, the original state of the closing plate 402 is a vertical state at the joint of the transverse structure and the second sleeve 4, when the closing plate 402 is in the internal fistula puncture needle, the closing plate is of a structure bent towards the inside of the second sleeve 4 and is abutted by the needle tube 2 to prevent the deformation of the closing plate, when the second sleeve 4 is completely pulled out of the first sleeve 301, the needle tube 2 and the needle head 1 retract into the second sleeve 4, and meanwhile, the closing plate 402 does not abut the needle tube 2 and the needle head 1 to restore to the original state, so that the whole needle head 1 is sealed in the second sleeve 4 to avoid blood splash to cause pollution.
In one embodiment, the internal fistula puncture needle further comprises a clamping piece, the clamping piece is arranged at the joint between the trocar component 3 and the needle tube 2, and the trocar component 3 and the needle tube 2 are fixed or detached through the clamping piece.
The clamping piece is a clamping block 303, the clamping block 303 is sleeved on the needle tube 2 and fixed, a first texture 304 is arranged on the outer side wall of the clamping block 303, a second texture is arranged on the trocar component 3 corresponding to the first texture 304, and the first texture 304 is spirally clamped with the second texture.
Concretely, fixed fixture block 303 on needle tubing 2, second sleeve 4 nestification is in first sleeve 301 from syringe needle 1 department down removing gradually, when first sleeve 301 removed to fixture block 303 department, first texture 304 and the mutual adaptation of second texture on the first sleeve 301 and the fixture block 303, medical personnel can screw in and reach the fixed purpose of perhaps unscrewing and dismantling, after the internal fistula pjncture needle used, medical personnel or back staff can wholly unscrew trocar subassembly 3, work such as blood disinfection on cleaing away trocar subassembly 3, can continue to use on next internal fistula pjncture needle by the cover.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A cup joint type internal fistula puncture needle capable of preventing needle stick injury is characterized by comprising a needle head, a needle tube and a trocar component; the needle head is connected with the needle tube, and the trocar assembly is arranged on the needle tube;
the trocar assembly comprises a first sleeve, a second sleeve and a telescopic piece;
the first sleeve and the second sleeve contract or extend on the needle tube through the telescopic piece;
upon extension, the first and second sleeves are separated and the second sleeve covers the needle.
2. The socketed puncture-proof internal fistula puncture needle according to claim 1, wherein a fastener is provided at the bottom end of the telescopic member, and the telescopic member is fastened with the fastener.
3. The muff-coupling type internal fistula puncture needle capable of preventing a needle from being punctured as claimed in claim 2, wherein the fastener is of a box structure and has two abutting blocks in an inner cavity, the two abutting blocks are oppositely arranged and have grooves, the abutting blocks are of a soft structure, and edges of the telescopic piece are matched with the grooves of the two abutting blocks.
4. A socketed puncture needle for preventing internal fistula from puncturing as set forth in claim 1 or 3, wherein said extensible member is a flexible tube.
5. The socketed puncture-proof internal fistula puncture needle according to claim 1, further comprising a closing plate, wherein the closing plate is arranged on two sides of the top end of the second sleeve, and the closing plate is of a soft structure.
6. The sleeved type anti-needle-stick internal fistula puncture needle as set forth in claim 1, further comprising a clamping member, wherein the clamping member is arranged at a joint between the trocar assembly and the needle tube, and the trocar assembly and the needle tube are fixed or detached by the clamping member.
7. The muff-coupling type puncture-proof internal fistula puncture needle according to claim 6, wherein the clamping member is a clamping block, the clamping block is sleeved on the needle tube and fixed, a first texture is arranged on the outer side wall of the clamping block, a second texture is arranged on the trocar assembly corresponding to the first texture, and the first texture and the second texture are spirally clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160955.0U CN213156287U (en) | 2020-06-19 | 2020-06-19 | Sleeve joint type internal fistula puncture needle capable of preventing puncture wound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160955.0U CN213156287U (en) | 2020-06-19 | 2020-06-19 | Sleeve joint type internal fistula puncture needle capable of preventing puncture wound |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213156287U true CN213156287U (en) | 2021-05-11 |
Family
ID=75789064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160955.0U Expired - Fee Related CN213156287U (en) | 2020-06-19 | 2020-06-19 | Sleeve joint type internal fistula puncture needle capable of preventing puncture wound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213156287U (en) |
-
2020
- 2020-06-19 CN CN202021160955.0U patent/CN213156287U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205286368U (en) | Safe blood taking needle | |
| WO2013023435A1 (en) | Secure vein puncture needle | |
| US5322516A (en) | Safety needle system and method for using the same | |
| JP2002345955A (en) | Injection needle with safety cap | |
| CN213156287U (en) | Sleeve joint type internal fistula puncture needle capable of preventing puncture wound | |
| CN211066658U (en) | Negative pressure syringe | |
| CN200951238Y (en) | Disposable and safety transfusion needle | |
| CN206714763U (en) | A kind of safety type blood-taking needle restoring device | |
| CN106390233B (en) | Disposable automatic pop-up medical needle | |
| CN1803209A (en) | Safe vein indwelling needle catheter | |
| CN211356770U (en) | Anti-puncture acupuncture needle | |
| CN209391951U (en) | A kind of vein blood taking needle with only liquid function | |
| CN209826744U (en) | Anti-needle-prick disposable blood taking needle | |
| CN209220442U (en) | A kind of fixed device of dialysis puncture needle syringe needle protection | |
| CN211024563U (en) | Steel needle head protector | |
| CN214969927U (en) | Safety internal fistula puncture needle | |
| CN108523904A (en) | A kind of disposable artery and vein puncture blood taking needle and its protective device | |
| CN212382622U (en) | Blood taking needle for medical examination | |
| CN215504858U (en) | Disposable intravenous infusion needle capable of preventing needle stick injury | |
| CN215194720U (en) | Adjustable tracheal cannula tries stifled pipe | |
| CN219804052U (en) | Arteriovenous internal fistula pjncture needle protection device | |
| CN211156848U (en) | Severe patient uses polylinker information area | |
| CN219229894U (en) | Blood taking needle with protection function | |
| CN217040949U (en) | Needle-prick injury preventing device for needle pulling in transfusion port | |
| CN213100035U (en) | Blood-taking indwelling needle with protective sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |