CN208096770U

CN208096770U - A kind of Nephrology dept.'s Novel puncture needle

Info

Publication number: CN208096770U
Application number: CN201820012122.6U
Authority: CN
Inventors: 李莉平
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-01-04
Filing date: 2018-01-04
Publication date: 2018-11-16
Anticipated expiration: 2028-01-04

Abstract

The utility model discloses a kind of Nephrology dept.'s Novel puncture needles, including guide pin, piercing needle and needle handle, the needle handle side is equipped with sliding rail, sliding block is installed on the outside of the sliding rail, piston rod is installed, the piercing needle end is equipped with sampling screw socket inside the guide pin, limited block is installed on the inside of the guide pin, the limited block end is equipped with reset spring, and the reset spring top is equipped with mounting plate, and the guide pin end is equipped with guide pin screw thread.This kind of Nephrology dept.'s Novel puncture needle, venipuncture depth is convenient in the cooperation of mounting plate and limited block, guarantee to puncture sampling result effectively and not patient harm itself, by reset spring piercing needle can be fast withdrawn after the completion of puncture working, the transmission of the combination cooperation piston rod of sliding block and sliding rail, the piercing that piercing needle is manually controlled convenient for medical staff, easily facilitates operation, and guide pin screw thread and the design for disassembly for sampling screw socket are convenient for the taking-up of sample.

Description

A kind of Nephrology dept.'s Novel puncture needle

Technical field

The utility model relates to technical field of medical equipment, specially a kind of Nephrology dept.'s Novel puncture needle.

Background technique

Renal fibroblast, that is, Renal biospy, also referred to as renal biopsy with gun-biopsy.Due to many kinds of, the cause of disease and the pathogenesis of kidney trouble Complexity, the clinical manifestation of many kidney troubles and the Histological change of kidney are not fully consistent.For example, clinical manifestation is nephrosis Syndrome, pathology can be rendered as minute lesion, Minimal change, slight mesangial matrix *, membranous nephropathy, membranoproliferative nephritis, office A variety of changes such as stove segment hardening, the development of therapeutic scheme and the state of an illness also very different.

After selected point of puncture, sterile B ultrasound ultrasound guided probe imaging, local anaesthesia.Puncture needle is vertically pierced into up to the scrotum, quickly Puncture is needled into 2-3cm in kidney, extracts puncture needle.After dissection has 5 or more glomerulus under the microscope, light-emitting lens, electricity Mirror, immunofluorescence.However paracentesis depth is difficult to control accurately in puncture process, and if puncture is too deep, easy damaged patient's body, if wearing It pierced shallow, is then easy to cause sampling invalid, also needs to sample repeatedly, more major trauma is caused to patient.

So how to design a kind of Nephrology dept.'s Novel puncture needle, becoming us will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is to provide a kind of Nephrology dept.'s Novel puncture needles, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions：A kind of Nephrology dept.'s Novel puncture needle, including Guide pin, piercing needle and needle handle, the needle handle side are equipped with sliding rail, and the sliding rail runs through the needle handle surface, the sliding rail Outside is equipped with sliding block, and the sliding block is flexibly connected with needle handle by sliding rail, and the slider bottom is equipped with pushing block, described to push away It is fixedly connected with a slide block into block, piston rod is installed inside the guide pin, the piston rod is fixedly connected with pushing block, the work Stopper rod top is equipped with mounting head, and the mounting head and piston rod weld, and the piercing needle end is equipped with sampling screw socket, institute It states piercing needle and is fixedly connected with piston rod by mounting head and sampling screw socket, limited block is installed on the inside of the guide pin, it is described Limited block is fixedly connected with guide pin, and the limited block end is equipped with reset spring, the reset spring and limit block welding, institute It states reset spring top and mounting plate is installed, the mounting plate is flexibly connected with guide pin by reset spring, and the mounting head is passed through Wear the mounting plate.

Further, the guide pin end is equipped with guide pin screw thread, and the needle handle top is equipped with buffering rank, the buffering Rank and needle handle weld, and the guide pin, which is screwed with needle handle by guide pin, to be connect.

Further, the piercing needle includes needle body and polishing layer, and the polishing layer is closely connect with needle body, the needle Body is in hollow needle tubulose.

Further, sampling hook is installed, the sampling hook is fixedly connected with needle body inside the needle body.

Further, elastic diaphragm is installed, the elastic diaphragm and guide pin pass through mounting plate on the outside of the reset spring It is flexibly connected.

Compared with prior art, the utility model has the beneficial effects that：This kind of Nephrology dept.'s Novel puncture needle, mounting plate with Venipuncture depth is convenient in the cooperation of limited block, guarantees to puncture sampling result effectively and not patient harm itself, passes through and reset bullet Spring can fast withdraw piercing needle after the completion of puncture working, and the combination of sliding block and sliding rail cooperates the transmission of piston rod, is convenient for Medical staff manually controls the piercing of piercing needle, easily facilitates operation, and the design for disassembly of guide pin screw thread and sampling screw socket is just In the taking-up of sample, sampling can effectively prevent sample to slide out after being hooked in puncture.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the piercing needle partial structural diagram of the utility model；

In figure：1- guide pin；2- piston rod；3- mounting head；4- mounting plate；5- reset spring；6- samples screw socket；7- puncture needle Head；8- limited block；9- elastic diaphragm；10- buffers rank；11- sliding rail；12- sliding block；13- pushing block；14- guide pin screw thread；15- needle Handle；16- samples hook；17- polishing layer；18- needle body.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2,：A kind of Nephrology dept.'s Novel puncture needle, including lead Needle 1, piercing needle 7 and needle handle 15,15 side of needle handle are equipped with sliding rail 11, and the sliding rail 11 runs through 15 table of needle handle Face is equipped with sliding block 12 on the outside of the sliding rail 11, and the sliding block 12 is flexibly connected with needle handle 15 by sliding rail 11, the sliding block 12 Bottom is equipped with pushing block 13, and the pushing block 13 is fixedly connected with sliding block 12, and piston rod 2, institute are equipped with inside the guide pin 1 It states piston rod 2 to be fixedly connected with pushing block 13,2 top of piston rod is equipped with mounting head 3, the mounting head 3 and piston rod 2 Welding, 7 end of piercing needle are equipped with sampling screw socket 6, and the piercing needle 7 passes through mounting head 3 and sampling with piston rod 2 Screw socket 6 is fixedly connected, and limited block 8 is equipped on the inside of the guide pin 1, and the limited block 8 is fixedly connected with guide pin 1, the limit 8 end of block is equipped with reset spring 5, and the reset spring 5 is welded with limited block 8, and 5 top of reset spring is equipped with installation Plate 4, the mounting plate 4 are flexibly connected with guide pin 1 by reset spring 5, and the mounting head 3 runs through the mounting plate 4.

Further, 1 end of guide pin is equipped with guide pin screw thread 14, and 15 top of needle handle is equipped with buffering rank 10, The buffering rank 10 is welded with needle handle 15, and the guide pin 1 is fixedly connected with needle handle 15 by guide pin screw thread 14, is convenient for from guide pin 1 Interior taking-up piston rod 2.

Further, the piercing needle 7 includes needle body 18 and polishing layer 17, and the polishing layer 17 closely connects with needle body 18 It connects, the needle body 18 is in hollow needle tubulose, convenient for puncturing the progress of sampling work.

Further, sampling hook 16 is installed, the sampling hook 16 is fixedly connected with needle body 18, is prevented inside the needle body 18 Only cause samples taken insufficient because sample slides in single acquisition.

Further, elastic diaphragm 9 is installed, the elastic diaphragm 9 passes through peace with guide pin 1 on the outside of the reset spring 5 Loading board 4 is flexibly connected, and guarantees the cleannes of 7 place environment of piercing needle.

Working principle：After selecting point of puncture, centered on point of puncture, guide pin 1 is vertically pierced into and reaches scrotum part, observation Kidney the superior and the subordinate are with breathing situation of movement, when Ghandler motion makes patient get rid of gas, it is fast to prolong sliding rail 11 to when puncturing optimal position under kidney Speed pushes down sliding block 12, so that pushing block 13 be driven to push piston rod 2, releases piercing needle 7 with piston rod, and polishing layer 17 is to the greatest extent most Frictional force may be reduced greatly, submerge needle body 18 in kidney, and sample hook 16 and unidirectionally fix the tissue entered in needle body 18 Sample, sample slides when preventing piercing needle 7 from retracting.Limit plate 8 can limit the length of the release of piercing needle 7, prevent from puncturing It is too deep that patient body is caused to damage.After puncture, sliding block 12 is unclamped, compressed reset spring 5 will drive and install at this time Plate pops into position, to push mounting head 3 that piercing needle 7 is driven to retract in guide pin 1.After extracting guide pin 1, guide pin screw thread 14 is opened Piston rod 2 is taken out in part, then turns on sampling screw socket 6, can remove piercing needle 7, tests convenient for taking out inner sample Analysis.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Nephrology dept.'s Novel puncture needle, including guide pin（1）, piercing needle（7）And needle handle（15）, it is characterised in that：Institute State needle handle（15）Side is equipped with sliding rail（11）, the sliding rail（11）Through the needle handle（15）Surface, the sliding rail（11）Outside Side is equipped with sliding block（12）, the sliding block（12）With needle handle（15）Pass through sliding rail（11）It is flexibly connected, the sliding block（12）Bottom Pushing block is installed（13）, the pushing block（13）With sliding block（12）It is fixedly connected, the guide pin（1）Inside is equipped with piston rod （2）, the piston rod（2）With pushing block（13）It is fixedly connected, the piston rod（2）Top is equipped with mounting head（3）, the peace Fill head（3）With piston rod（2）Welding, the piercing needle（7）End is equipped with sampling screw socket（6）, the piercing needle（7）With Piston rod（2）Pass through mounting head（3）With sampling screw socket（6）It is fixedly connected, the guide pin（1）Inside is equipped with limited block（8）, institute State limited block（8）With guide pin（1）It is fixedly connected, the limited block（8）End is equipped with reset spring（5）, the reset spring （5）With limited block（8）Welding, the reset spring（5）Top is equipped with mounting plate（4）, the mounting plate（4）With guide pin（1） Pass through reset spring（5）It is flexibly connected, the mounting head（3）Through the mounting plate（4）.

2. a kind of Nephrology dept.'s Novel puncture needle according to claim 1, it is characterised in that：The guide pin（1）End peace Equipped with guide pin screw thread（14）, the needle handle（15）Top is equipped with buffering rank（10）, the buffering rank（10）With needle handle（15）Weldering It connects, the guide pin（1）With needle handle（15）Pass through guide pin screw thread（14）It is fixedly connected.

3. a kind of Nephrology dept.'s Novel puncture needle according to claim 1, it is characterised in that：The piercing needle（7）Packet Include needle body（18）And polishing layer（17）, the polishing layer（17）With needle body（18）Close connection, the needle body（18）In hollow needle Tubulose.

4. a kind of Nephrology dept.'s Novel puncture needle according to claim 3, it is characterised in that：The needle body（18）Inside peace Equipped with sampling hook（16）, the sampling hook（16）With needle body（18）It is fixedly connected.

5. a kind of Nephrology dept.'s Novel puncture needle according to claim 1, it is characterised in that：The reset spring（5）Outside Side is equipped with elastic diaphragm（9）, the elastic diaphragm（9）With guide pin（1）Pass through mounting plate（4）It is flexibly connected.