CN215386539U - Special safe type pjncture needle and puncture suit in infusion port - Google Patents
Special safe type pjncture needle and puncture suit in infusion port Download PDFInfo
- Publication number
- CN215386539U CN215386539U CN202120582396.0U CN202120582396U CN215386539U CN 215386539 U CN215386539 U CN 215386539U CN 202120582396 U CN202120582396 U CN 202120582396U CN 215386539 U CN215386539 U CN 215386539U
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- needle
- seat
- recovery tube
- needle body
- body recovery
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Links
- 238000001802 infusion Methods 0.000 title claims abstract description 37
- 238000011084 recovery Methods 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims description 12
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 claims description 9
- 229960002897 heparin Drugs 0.000 claims description 9
- 229920000669 heparin Polymers 0.000 claims description 9
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002504 physiological saline solution Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 206010052428 Wound Diseases 0.000 abstract description 6
- 208000015181 infectious disease Diseases 0.000 abstract description 5
- 230000000007 visual effect Effects 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 208000012266 Needlestick injury Diseases 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 244000241796 Christia obcordata Species 0.000 description 1
- 206010073310 Occupational exposures Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000675 occupational exposure Toxicity 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides a special safety puncture needle for an infusion port and a puncture set, and belongs to the field of medical supplies. The special safe type pjncture needle in transfusion harbor includes: a catheter seat, a needle body recovery tube and a needle body; the catheter seat is detachably connected to the lower end of the needle body recovery tube; the needle body is movable along the needle body recovery tube. By utilizing the utility model, a nurse can realize the puncture of the injection seat of the transfusion port by adopting the pen-holding type, a clearer and more visual angle is provided, the puncture wound is avoided, and the infection caused by the incomplete secondary connection disinfection is avoided.
Description
Technical Field
The utility model belongs to the field of medical supplies, and particularly relates to a special safety puncture needle for an infusion port and a puncture set.
Background
In the clinic, to alleviate the irritation of drugs to the patient's blood vessels, infusion ports, which are collectively referred to as fully implanted venous access systems, are often used. The transfusion port is a closed transfusion device completely implanted in a human body, and comprises a conduit and an injection seat embedded under the skin, wherein the injection seat is connected with one end of the conduit, and the other end of the conduit is connected with a blood vessel of the human body, so that a long-term blood vessel passage is formed, and the function similar to a port is realized. When transfusion is needed, the puncture needle of the transfusion port is used to penetrate through the skin and is pricked into the injection seat.
The current puncture needle for transfusion port usually adopts "L" type pjncture needle, and it includes L type steel needle, butterfly wing, discoid base and extension tube, and the nurse finishes the puncture in the space of local promotion after pointing to fixed injection seat with three with the left hand during actual operation, and leads to the nurse to be unable from last to the condition of direct observation point down because of the discoid base on the pjncture needle, needs 45 jiaos of follow side to observe, very easily causes the needle stick wound. In addition, the existing puncture needle for the transfusion port is a steel needle, so that the puncture wound is easily caused when the needle is pulled out, and the occupational exposure risk of nurses is increased. In addition, when the existing L-shaped puncture needle is used, a syringe is additionally used for extracting saline and heparin to perform the operations of washing and sealing the tube, and the operation process also increases the infection risk.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides a special safety puncture needle for an infusion port and a puncture set, which can provide a clearer and more intuitive visual angle for nurses during puncture, avoid needle stick injuries and avoid infection.
The utility model is realized by the following technical scheme:
in a first aspect of the present invention, there is provided a safety puncture needle for an infusion port, comprising: a catheter seat, a needle body recovery tube and a needle body;
the catheter seat is detachably connected to the lower end of the needle body recovery tube;
the needle body is movable along the needle body recovery tube.
The utility model is further improved in that the conduit seat comprises a seat body and a conduit connected with the lower end of the seat body;
the seat body is of a tubular structure;
an isolation plug is arranged at the upper part in the inner cavity of the seat body;
the middle part of the seat body is provided with an infusion port which is communicated with the inner cavity of the seat body, and the infusion port is connected with an extension pipe;
an L-shaped groove is formed in the wall of the upper end of the seat body, the upper end of the L-shaped groove is an opening end, and the opening end and the upper end face of the seat body are located in the same plane;
the upper end of the guide pipe is connected with the lower end of the seat body, and the lower end of the guide pipe is an open end.
The utility model is further improved in that the extension pipe is a Y-shaped pipe and comprises three branch pipes, namely a first branch pipe, a second branch pipe and a third branch pipe;
one ends of the three branch pipes are communicated to form a Y shape;
the other end of the first branch pipe is connected with a transfusion port;
the other end of the second branch pipe is connected with a separation membrane joint;
the other end of the third branch pipe is connected with the heparin cap joint.
The utility model is further improved in that a water stop clamp is respectively arranged on the second branch pipe and the third branch pipe.
The utility model has the further improvement that the needle body recovery tube is of a long cylinder structure, and the center of the needle body recovery tube is provided with a central through hole coaxial with the needle body recovery tube;
a moving groove parallel to the central axis of the needle body recovery tube is also arranged on the needle body recovery tube; the upper end of the moving groove and the upper end surface of the needle body recovery tube are positioned in the same plane, the lower end of the moving groove is positioned above the lower end surface of the needle body recovery tube, and the moving groove is communicated with the central through hole;
the diameter of the central through hole is larger than the width of the moving groove;
the outer diameter of the needle body recovery tube is the same as the inner diameter of the upper end of the seat body in the catheter seat.
The utility model has the further improvement that a bulge is arranged outside the lower end of the needle body recovery tube;
the protrusion is matched with the L-shaped groove.
The utility model has the further improvement that a cover cap is arranged at the upper end of the needle body recovery tube;
the cap is connected to the upper end of the needle body recovery tube through threads or a buckle.
In a further improvement of the utility model, the needle body comprises: the needle holder, the needle holding handle and the needle core;
the needle seat is of a thin cylinder structure; the upper end of the needle core is fixedly connected with the lower end of the needle seat; the needle holding handle is fixedly connected with the side wall of the needle seat through a connecting rod;
the diameter of the needle seat is the same as that of a central through hole in the needle body recovery tube, and the size of the connecting rod is matched with the width of the moving groove;
the needle core adopts a straight stainless steel needle;
the length of the needle seat and the length of the needle core are smaller than the length of the central through hole of the needle body recovery tube;
the catheter is matched with the outer diameter of the needle core and can be tightly attached to the needle core.
The utility model is further improved in that a plurality of anti-skid particles are arranged on the outer surface of the needle holding handle;
the middle outer wall of the seat body is provided with a plurality of grooves, and anti-skid particles are arranged in each groove.
The utility model provides a puncture set, which comprises a sterile bag, wherein the safe puncture needle special for the infusion port, a pre-filling type tube flushing device and a pre-filling type tube sealing device are placed in the sterile bag;
the pre-filled catheter flusher is pre-filled with 10ml of physiological saline for flushing the catheter;
the prefilled tube sealing device is prefilled with 10ML of 100U/ML heparin tube sealing liquid.
Compared with the prior art, the utility model has the beneficial effects that: in a first aspect of the present invention, there is provided a safety puncture needle for an infusion port, comprising: a catheter seat, a needle body recovery tube and a needle body;
the catheter seat is detachably connected to the lower end of the needle body recovery tube;
the needle body is movable along the needle body recovery tube.
By utilizing the utility model, a nurse can realize the puncture of the injection seat of the transfusion port by adopting the pen-holding type, a clearer and more visual angle is provided, the puncture wound is avoided, and the infection caused by the incomplete secondary connection disinfection is avoided.
Drawings
FIG. 1 is a schematic structural view of a needle body in a needle body recovery tube in the safety puncture needle special for the port for transfusion of the utility model;
FIG. 2 is a schematic structural view of a needle body in the special safety puncture needle for the transfusion port in a puncture state;
FIG. 3 is a schematic structural view of a needle body recovery tube in the safety puncture needle for an infusion port according to the present invention;
FIG. 4 is a left side view schematically showing the structure of the needle body recovery tube in the safety puncture needle for an infusion port according to the present invention;
FIG. 5 is a schematic view of the top view of the needle body recovery tube of the safety puncture needle for an infusion port according to the present invention;
FIG. 6 is an enlarged schematic view of the catheter hub of the safety puncture needle for the port of infusion according to the present invention;
fig. 7 is a schematic structural diagram of the needle body in the safety puncture needle special for the transfusion port.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings:
as shown in figures 1 to 7, the safety puncture needle special for the transfusion port comprises: a catheter seat 3, a needle body recovery tube 1 and a needle body 2; the catheter seat 3 is detachably connected to the lower end of the needle body recovery tube 1; the needle body 2 can move along the needle body recovery tube 1.
The examples of the utility model are as follows:
[ EXAMPLES one ]
As shown in fig. 6, the catheter hub 3 includes a hub body 305 and a catheter 304 connected to a lower end of the hub body. The base body 305 is a tubular structure, the upper part in the inner cavity of the base body 305 is provided with an isolation plug 302, the middle part of the base body 305 is provided with an infusion port 303, the infusion port 303 is communicated with the inner cavity of the base body 305 and is positioned below the isolation plug 302, and the infusion port 303 is connected with an extension pipe 4.
An L-shaped groove 301 is formed in the wall of the upper end of the seat body 305, the upper end of the L-shaped groove 301 is an open end, and the open end and the upper end surface of the seat body 305 are located in the same plane.
The upper end of the conduit 304 is connected to the lower end of the seat body 305, and the lower end of the conduit 304 is an open end.
Preferably, a plurality of grooves (not shown in fig. 6) are formed on the outer wall of the middle portion of the holder body 305, and anti-slip particles are arranged in each groove, so that each finger can be placed in each groove, and the puncture needle can be held by a pen better.
Preferably, the outer diameter of the lower end of the seat body 305 is gradually reduced from top to bottom, and the outer diameter of the lowest end is the same as the outer diameter of the upper end of the conduit 304, so that the shielding of the seat body 305 on the sight of the operator can be further reduced.
Extension pipe 4 is Y type pipe, includes three bleeder, is first bleeder, second bleeder and third bleeder respectively, and the one end intercommunication of three bleeder forms the Y type, and the other end of first bleeder is connected with infusion mouth 303, and the other end of second bleeder is connected with separation membrane joint 5, and the other end and the heparin cap of third bleeder connect 6 and are connected. The use of the split membrane joint 5 can avoid infection caused by incomplete sterilization of the secondary connection. The separation membrane joint 5 and the heparin cap joint 6 are mature products and are not described in detail.
Water stop clamps are respectively arranged on the second branch pipe and the third branch pipe, and the water stop clamps are not shown in fig. 6.
[ example two ]
As shown in fig. 3 to 5, the needle body recovery tube 1 is a long cylindrical structure, a central through hole 104 coaxial with the needle body recovery tube is formed in the center of the needle body recovery tube, a moving groove 103 parallel to the central axis of the needle body recovery tube is further formed in the needle body recovery tube 1, the upper end of the moving groove 103 and the upper end surface of the needle body recovery tube 1 are located on the same plane, the lower end of the moving groove 103 is located above the lower end surface of the needle body recovery tube, and the moving groove 103 is communicated with the central through hole 104. For clarity, the central through hole and the moving groove are not drawn in fig. 1 and 2, and the central through hole and the moving groove are not drawn in fig. 3.
Preferably, the diameter of the central through hole 104 is larger than the width of the moving groove 103.
The outer diameter of the needle body recovery tube 1 is the same as the inner diameter of the upper end of the catheter hub middle seat body 305, and the lower end of the needle body recovery tube 1 can be inserted into the inner cavity of the upper end of the catheter hub middle seat body 305.
[ EXAMPLE III ]
The outer portion of the lower end of the needle body recovery tube 1 is provided with a protrusion 102, the protrusion 102 is matched with the L-shaped groove 301, can enter the L-shaped groove from an upper end opening of the L-shaped groove 301, and can move in the L-shaped groove to be clamped by the L-shaped groove. For clarity, the projections and L-shaped grooves are not shown in fig. 1 and 2, and the projections are not shown in fig. 5.
Preferably, the protrusion is circumferentially spaced from the moving groove by 90 degrees.
[ EXAMPLE IV ]
Further, in order to prevent the needle core from being drawn out from the upper side of the needle body recovery tube 1, a cap 101 is provided at the upper end of the needle body recovery tube 1, and the cap 101 is connected to the upper end of the needle body recovery tube 1 by a screw thread or a buckle, and can prevent the needle core from being removed from the needle body recovery tube 1 when moving upward.
[ EXAMPLE V ]
As shown in fig. 7, the needle body 2 includes: the needle holder 202 is of a thin cylindrical structure, the upper end of the needle core 203 is fixedly connected with the lower end of the needle holder 202, and the needle holder 201 is fixedly connected with the side wall of the needle holder 202 through a connecting rod 204 (the needle core is represented by a straight line and the connecting rod is represented by the other straight line in fig. 7). The needle seat, the needle holding handle, the connecting rod and the needle core can be made into an integrated structure by adopting stainless steel materials.
The diameter of the needle seat 202 is the same as that of the central through hole 104 on the needle body recovery tube, and the size of the connecting rod 204 is matched with the width of the moving groove 103, for example, if the cross-sectional shape of the connecting rod 204 is circular, the diameter is the same as that of the moving groove 103, and if the cross-sectional shape of the connecting rod 204 is square, the side length is the same as that of the moving groove 103.
The stylet 203 is a straight stainless steel needle. The length of the needle seat 202 and the length of the needle core 203 are less than the length of the central through hole 104 of the needle body recovery tube 1, so that the needle seat 202 and the needle core 203 can be completely positioned in the central through hole 104 of the needle body recovery tube 1, and the needle point of the needle core 203 is prevented from being exposed outside the needle body recovery tube 1 to cause needle stick injury. The outer diameter of the needle seat 202 is the same as or slightly larger than that of the upper end of the needle core 203.
The catheter 304 matches the outside diameter of the core 203, fits snugly around the core (the diameter of the catheter is exaggerated in fig. 1 and 2 to distinguish the core from the catheter), and is thin and can be inserted into the skin with the core 203.
[ EXAMPLE six ]
A plurality of anti-slip particles are disposed on the outer surface of the needle holding handle 201 to increase the friction force when contacting with a finger.
[ EXAMPLE VII ]
Preferably, the catheter hub 3 and the needle body recovery tube 1 are made of transparent materials, such as transparent plastics, silica gel, etc., and the isolating plug 302 is made of silica gel.
When the installation after accomplishing each above-mentioned part production, insert the needle core on the needle body from last to down in the central through hole of needle body recovery tube earlier, after the needle core got into central through hole completely, the needle file also got into in the central through hole, and the connecting rod is located the shifting chute, holds the outside that the needle handle is located the needle body recovery tube, when reciprocating and holding the needle handle, holds the needle handle and drives needle file and needle core through the connecting rod and reciprocate in the central through hole. Then the arch of needle body recovery seat lower extreme aligns with the open end in the L type groove on the pedestal of pipe seat, insert the arch L type inslot, the lower extreme that the seat was retrieved to the needle body enters into the pedestal upper end inner chamber of pipe seat simultaneously, the seat is retrieved to rotatory needle body again, make the arch remove the end in L type groove, realized the fixed connection of needle body recovery seat with the pipe seat through the arch like this, then hold the needle handle with the fingers, push down the nook closing member, make the nook closing member pass and enter into the pipe behind the isolation stopper in the pipe seat, when the connecting rod reachs the bottom in shifting chute, the needle point of nook closing member just exposes from the open end of pipe this moment, as shown in fig. 2.
The using method of the utility model is as follows:
during puncture, one hand pinches the injection seat of the transfusion port, the other hand pinches the needle handle and the seat body simultaneously with fingers, the needle core is vertically pricked into the injection seat, and the needle core carries the catheter to puncture into the skin of a human body. Because the disc base and the L-shaped steel needle in the traditional puncture needle are not arranged any more, an operator can realize pen-holding type puncture action, the puncture needle does not form large blockage to the sight of the operator any more, but provides a clearer and more intuitive visual angle, and the operator can more conveniently see the position of the puncture point and the condition of red and swollen of the puncture point after puncture.
Then the needle handle is held to move the needle core upwards, so that the needle core is sequentially separated from the catheter and the isolating plug, and the isolating plug forms a closed end. The needle core is moved up until the needle tip is retracted into the central through hole of the needle body recovery tube (as shown in fig. 1), and then the needle body recovery tube is rotated in the reverse direction, so that the protrusion is rotated to the open end of the L-shaped groove.
And finally, the needle body recovery tube is lifted up to be taken down, the catheter is kept connected with the transfusion port, and the needle core is completely positioned in the central through hole of the needle body recovery tube, so that the needle puncture wound can not occur when the needle body recovery tube is taken down, the blood exposure risk is also avoided, and the needle body recovery tube after being taken down is placed in a medical waste collection barrel.
During infusion, the infusion needle is connected with the heparin cap joint on the extension tube, liquid enters the conduit after passing through the infusion port on the extension tube and the conduit seat, enters the infusion port along the conduit and is finally input into a human body through the conduit in the infusion port.
When the puncture needle needs to be replaced, the catheter is pulled out from the infusion port, and the puncture wound of a nurse cannot be caused after the catheter is pulled out, so that the occupation exposure of the nurse is avoided.
The utility model also provides a puncture set which comprises a sterile bag, wherein the safe puncture needle special for the infusion port, the pre-filled type tube flusher and the pre-filled type tube sealer are arranged in the sterile bag, 10ML of physiological saline tube flushing liquid is pre-filled in the pre-filled type tube flusher, and 10ML of 100U/ML heparin tube sealing liquid special for the infusion port is pre-filled in the pre-filled type tube sealer.
The use method of the puncture suit is as follows:
before puncture, the sterile bag is opened, the pre-filled tube flushing device is connected with the separation membrane joint for air exhaust, then puncture is carried out by using the puncture needle, after the puncture is successful, the pre-filled tube flushing device is taken down, the pre-filled tube sealing device is connected with the separation membrane joint, and the tube sealing operation is completed. The specific operation steps of washing and sealing the tube are operated according to the operation flow specified by the hospital, and are not described herein again.
The pre-filled type flusher and the pre-filled type tube sealing device both adopt the structure of the existing pre-filled type catheter flusher, namely, a syringe pre-filled with liquid. After the suit is used, the additional configuration can be reduced, the puncture suit can be directly carried during puncture, and the pollution is also avoided.
The above-described embodiments are merely exemplary embodiments of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the utility model as defined in the above-described embodiments.
Claims (10)
1. The utility model provides a special safe type pjncture needle in infusion port which characterized in that: the special safe type pjncture needle in transfusion harbor includes: a catheter seat, a needle body recovery tube and a needle body;
the catheter seat is detachably connected to the lower end of the needle body recovery tube;
the needle body is movable along the needle body recovery tube.
2. The safety puncture needle special for the infusion port as claimed in claim 1, wherein: the guide pipe seat comprises a seat body and a guide pipe connected with the lower end of the seat body;
the seat body is of a tubular structure;
an isolation plug is arranged at the upper part in the inner cavity of the seat body;
the middle part of the seat body is provided with an infusion port which is communicated with the inner cavity of the seat body; an extension pipe is connected to the transfusion port;
an L-shaped groove is formed in the wall of the upper end of the seat body, the upper end of the L-shaped groove is an opening end, and the opening end and the upper end face of the seat body are located in the same plane;
the upper end of the guide pipe is connected with the lower end of the seat body, and the lower end of the guide pipe is an open end.
3. The safety puncture needle special for the infusion port as claimed in claim 2, wherein: the extension pipe is a Y-shaped pipe and comprises three branch pipes, namely a first branch pipe, a second branch pipe and a third branch pipe;
one ends of the three branch pipes are communicated to form a Y shape;
the other end of the first branch pipe is connected with a transfusion port;
the other end of the second branch pipe is connected with a separation membrane joint;
the other end of the third branch pipe is connected with the heparin cap joint.
4. The safety puncture needle special for the infusion port as claimed in claim 3, wherein: and water stop clamps are respectively arranged on the second branch pipe and the third branch pipe.
5. The safety puncture needle special for the infusion port as claimed in claim 4, wherein: the needle body recovery tube is of a long cylinder structure, and the center of the needle body recovery tube is provided with a central through hole coaxial with the needle body recovery tube;
a moving groove parallel to the central axis of the needle body recovery tube is also arranged on the needle body recovery tube; the upper end of the moving groove and the upper end surface of the needle body recovery tube are positioned in the same plane, the lower end of the moving groove is positioned above the lower end surface of the needle body recovery tube, and the moving groove is communicated with the central through hole;
the diameter of the central through hole is larger than the width of the moving groove;
the outer diameter of the needle body recovery tube is the same as the inner diameter of the upper end of the seat body in the catheter seat.
6. The safety puncture needle special for the infusion port as claimed in claim 5, wherein: a bulge is arranged outside the lower end of the needle body recovery tube;
the protrusion is matched with the L-shaped groove.
7. The safety puncture needle special for the infusion port as claimed in claim 6, wherein: a cover cap is arranged at the upper end of the needle body recovery tube;
the cap is connected to the upper end of the needle body recovery tube through threads or a buckle.
8. The safety puncture needle special for the infusion port as claimed in claim 7, wherein: the needle body includes: the needle holder, the needle holding handle and the needle core;
the needle seat is of a thin cylinder structure; the upper end of the needle core is fixedly connected with the lower end of the needle seat; the needle holding handle is fixedly connected with the side wall of the needle seat through a connecting rod;
the diameter of the needle seat is the same as that of a central through hole in the needle body recovery tube, and the size of the connecting rod is matched with the width of the moving groove;
the needle core adopts a straight stainless steel needle;
the length of the needle seat and the length of the needle core are smaller than the length of the central through hole of the needle body recovery tube; the catheter is matched with the outer diameter of the needle core.
9. The safety puncture needle special for the infusion port as claimed in claim 8, wherein: a plurality of anti-skid particles are arranged on the outer surface of the needle holding handle;
the middle outer wall of the seat body is provided with a plurality of grooves, and anti-skid particles are arranged in each groove.
10. A puncture kit, characterized in that: the puncture kit comprises a sterile package, and the safe puncture needle, the pre-filled tube flushing device and the pre-filled tube sealing device which are specially used for the transfusion port and are provided with the components as claimed in any one of claims 1 to 9 are placed in the sterile package;
the pre-filled catheter flusher is pre-filled with 10ml of physiological saline for flushing the catheter;
the prefilled tube sealing device is prefilled with 10ML of 100U/ML heparin tube sealing liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582396.0U CN215386539U (en) | 2021-03-18 | 2021-03-18 | Special safe type pjncture needle and puncture suit in infusion port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582396.0U CN215386539U (en) | 2021-03-18 | 2021-03-18 | Special safe type pjncture needle and puncture suit in infusion port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215386539U true CN215386539U (en) | 2022-01-04 |
Family
ID=79668950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120582396.0U Expired - Fee Related CN215386539U (en) | 2021-03-18 | 2021-03-18 | Special safe type pjncture needle and puncture suit in infusion port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215386539U (en) |
-
2021
- 2021-03-18 CN CN202120582396.0U patent/CN215386539U/en not_active Expired - Fee Related
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Granted publication date: 20220104 |