CN208892715U - A kind of spiral cutting edge cleansing pin - Google Patents

Abstract

A kind of spiral cutting edge cleansing pin, including detachable core needle part can be connected, trocar ports and power section, core needle part includes the core needle syringe needle being successively connected, the core needle needle body and core needle needle handle, core needle part band core needle spiral cutting edge, trocar ports are hollow tubular structures, including the pipe needle needle body and pipe needle needle stand, it is inserted in the pore of trocar ports core needle part, the head end of the core needle syringe needle protruded tube needle needle body, the tail end of the core needle needle handle protruded tube needle needle stand of core needle syringe needle, power section includes for manual power mechanism or motor power mechanism, power section is mounted on core needle needle handle rear end and is connected by connection structure with pipe needle needle stand.The utility model needle set can extract interverbebral disc reconstruction of nucleus gelatinosus tissue outstanding, moreover it is possible to while carrying out soft tissue adhesion, scar and contracture etc. outside sharp property and passivity soft tissue release canalis spinalis.Meanwhile such spiral cutting edge cleansing pin avoids operation risk and drug side-effect, simplifies treatment, facilitates operation, reduces expense.

Description

A kind of spiral cutting edge cleansing pin

Technical field

The utility model relates to the field of medical instrument technology, more particularly to a kind of spiral cutting edge cleansing pin.

Background technique

The intractable soft tissue injury disease such as Cervical Disk Herniation and protrusion of lumber intervertebral disc belongs to " injury of tendon and muscle " in Chinese medicine, sternly Ghost image rings the work and life of people, is the difficult medical problem of urgent need to resolve.The disease cause of disease is divided into the intraspinal tubes such as disc herniation disease The outer pathological factor of the canalis spinalis such as soft tissue adhesion, scar, contracture caused by soft tissue injury outside reason factor and canalis spinalis.The disease is controlled Treatment is divided into conservative therapy and operative treatment.It treats in the conservative therapy of the disease, Chinese medicine mainly has needle thorn, moxibustion therapy, massage and Chinese medicine Treatment etc., doctor trained in Western medicine mainly has physical therapy, Western medicine and closed treating etc..Above-mentioned treatment, which fails fundamentally to release soft tissue injury, draws The pathological factors such as soft tissue adhesion, scar and the contracture risen, therefore unsatisfactory curative effect.Wherein, the drugs such as hormone are also possible to cause bone The side effects such as the loose, caput femoris necrosis of matter.Operative treatment can fundamentally release soft tissue adhesion, scar caused by soft tissue injury The pathological factors such as trace and contracture, still, operative treatment of complicated, wound are big, risk is big, costly, and anesthesia may be brought to patient Damage or even the threat to life of unexpected, important nerve, blood vessel and internal organs.Zhu Hanzhang teaches the sharp property soft tissue pine of utility model Needle set --- needle knife is solved, human body is pierced into and plays the safe medical needling instrument of cutting and the centrifugation of knife.The advantage of needle knife is to Effectively loosen soft tissue, defect be may the surprisingly blood vessel to therapentic part surrounding normal, nerve and internal organs etc. damage Wound.In order to reduce damage of the needle knife to therapentic part surrounding normal blood vessel, nerve and internal organs etc., director's Zhou Jianbin utility model Passivity soft tissue release needle set --- round blunt needle.The advantage of round blunt needle is to soft tissue of safely loosening, and defect is not The dense connective tissues such as skin, fascia, aponeurosis (aponeuroses) and ligament can be penetrated and caused by limitation.Intractable soft tissue is damaged to improve The validity and safety of the disease treatments such as wound, need to innovate more advanced medical instrument.

In order to which sharp property soft tissue release needle set and passivity soft tissue release needle tool organic assembling in same needle set, were both sent out The advantage for waving the two avoids the defect of the two again, therefore utility model people is in 2013.02.04 application patent A kind of injury of tendon and muscle of CN201310045624.0 treats cleansing pin, and a kind of injury of tendon and muscle of the patent treats cleansing pin, including core needle and pipe needle；Core needle set In the pore for entering pipe needle；Core needle syringe needle stretches out trocar needle end, and core needle needle handle protruded tube needle needle obstructs end.The utility model A kind of injury of tendon and muscle treatment cleansing pin is provided, it can be carried out the sharp property separation skill of handling needles and the blunt separation skill of handling needles, fundamentally loosen soft group The pathological factors such as adhesion caused by damage, scar and contracture are knitted, but it also have the following drawbacks:

1) needle set, which not can be carried out, carries out interverbebral disc intervertebral disc marrow nuclear excising etc., can not release interverbebral disc nucleus pulposus pair Stimulation caused by spinal cord and nerve root, therefore cannot fundamentally dispel the intraspinal tube pathological factor of the protrusion of the intervertebral disc.

2) needle set cannot solve the injury of tendon and muscle of intra-and extraspinal: the disc herniation and the soft tissue outside canalis spinalis of intraspinal tube simultaneously Soft tissue adhesion, scar and contracture etc. caused by damaging.

Utility model content

To solve the above problems, the utility model provides a kind of spiral cutting edge cleansing pin, which can extract prominent Interverbebral disc reconstruction of nucleus gelatinosus tissue out, moreover it is possible at the same carry out sharp property and soft tissue adhesion outside passivity soft tissue release canalis spinalis, Scar and contracture etc..Meanwhile such spiral cutting edge cleansing pin avoids operation risk and drug side-effect, simplifies treatment, it is convenient Operation, reduces expense, for this purpose, the utility model provides a kind of spiral cutting edge cleansing pin, including can connect detachable Core needle part, trocar ports and power section, the core needle part includes the core needle syringe needle being successively connected, the core needle needle body With core needle needle handle, the core needle syringe needle and the formation of the core needle needle body smoothly transit, the edge of a knife line and core needle needle handle of the core needle syringe needle Flat horizontal surface is tapered in same plane, the core needle part band core needle spiral cutting edge, the core needle syringe needle tail end head-end, respectively Axis section bilateral symmetry, there are core needle spiral cutting edge, the core needle spiral shell in the periphery of the most aft edge of head end end to the core needle needle body Rotary knife sword and the pipe needle needle body are fitted close, and the trocar ports are hollow tubular structures, including the pipe needle needle body and pipe needle needle stand, institute It states core needle part to be inserted in the pore of trocar ports, be fitted close with the gap of trocar ports, the core needle syringe needle protruded tube needle needle body Head end, the tail end of the core needle needle handle protruded tube needle needle stand of core needle syringe needle, the power section include for manual power mechanism or Motor power mechanism, the power section are mounted on core needle needle handle rear end and are connected by connection structure with pipe needle needle stand.

Further improvement of the utility model, the power section are that motor power mechanism includes motor connector, electricity The syringe needle side plug in source, motor and its motor connector, the power supply have electricity in motor rear end, the motor front end Motivation connector is connected with core needle needle handle rear end, and the outer upper ends of the motor connector have the syringe needle side of motor connector Plug, the motor connector pass through the syringe needle side plug of motor connector and the pipe needle needle handle side chain of pipe needle needle stand tail end It detains tail plug to be connected, the utility model mainly uses electric-powered, and the connector of motor is cylindrical body, syringe needle inside cylindrical body Side is motor, and needle handle side is power supply inside cylindrical body, and the syringe needle side of motor has linear type gap for the prolate of core needle needle handle side Cube insertion, the syringe needle side of connector, can be in insertion tube needle needle handle side lock tail plugs, with fixed entire logical there are two plug Needle.

Further improvement of the utility model,

The needle tip of the core needle syringe needle is in round blunt warhead shape；

The core needle needle body is solid cylinder；

The core needle needle handle is the cylindrical body for the syringe needle side being connected and the prolate cube of needle handle side, the core needle needle handle head The cylindrical body of side is clasped by the backshank side lock of the pipe needle needle body, and the flat-sided cuboid of the needle handle of core needle needle handle can put in cylindrical body Inside motor connector.

Further improvement of the utility model, the tail end of the core needle needle handle have core needle needle handle protrusion, the trocar ports Pipe needle needle stand have the needle stand bottom groove of pipe needle, protrusion enters the groove of pipe needle pedestal most when can be with core needle insertion tube needle before End, groove corresponding with protrusion can be arranged at the needle stand bottom of pipe needle.Protrusion enters pipe needle pedestal when can be with core needle insertion tube needle Groove front end, core needle is connected with pipe needle stuck；Protrusion exits the groove of pipe needle pedestal with core needle, could be by core needle and pipe Needle unclamps and connection.

Further improvement of the utility model, the pipe needle needle stand are prolate cube, and two sides respectively connect " E " shape lock, Each " E " shape lock is divided into needle handle side lock and syringe needle side lock, and needle handle side lock can clasp the cylindrical body of core needle needle handle, press Syringe needle side lock can make the cylindrical body or prolate cube of needle handle side lock release core needle needle handle.

Further improvement of the utility model, the pipe needle needle body outer layer increase band size scale groove, movable depth Label and with size scale marker, in favor of when cleansing pin enters human body under ultrasonic navigation ultrasound evident from the syringe needle and pipe of core needle The needle body of needle, and while puncturing, puncture sizing outside needle tubing needle and mobilizable sounding mark outside skin to judge and in advance Determine paracentesis depth.

A kind of spiral cutting edge cleansing pin of the utility model can carry out interverbebral disc nucleus pulposus simultaneously with a kind of needle set and pluck It removes, sharp property soft tissue release and passivity soft tissue release etc..Needle set provided by the utility model passes through syringe needle and needle body circular knife The reverse rotation of sword, with the cooperation of pipe needle needle body head end by interverbebral disc intervertebral disc marrow nuclear excising, by small wound by interverbebral disc Intervertebral disc marrow nuclear excising fundamentally relieves stimulation of the interverbebral disc nucleus pulposus to spinal cord and nerve root, eliminates canalis spinalis Interior pathological factor；The core needle of such spiral cutting edge cleansing pin includes needle knife and round blunt needle, has been loosened canalis spinalis by needle knife and round blunt needle The pathological factors such as soft tissue adhesion, scar and contracture caused by outer soft tissue injury etc.；Such spiral cutting edge cleansing pin avoids list The sharp property soft tissue release such as pure needle knife damages the treatment of the important soft tissues such as therapentic part periphery normal neuronal, blood vessel and internal organs Wound, improves the safety for the treatment of；Such spiral cutting edge cleansing pin avoids the passivity soft tissue releases such as simple round blunt needle and cannot wear The treatment limitation of saturating tough and tensile soft tissue, improves the validity for the treatment of；And such spiral cutting edge cleansing pin avoids operation risk And side effects of pharmaceutical drugs, reduce medical expense.

Detailed description of the invention

Fig. 1 is the overall structure figure of the utility model spiral cutting edge cleansing pin；

Fig. 2 is the pipe needle needle stand overall structure figure with groove of the utility model spiral cutting edge cleansing pin；

Fig. 3 is the core needle structure chart of the utility model spiral cutting edge cleansing pin；

Fig. 4 is the pipe needle construction figure of the utility model spiral cutting edge cleansing pin；

Fig. 5 is the power section structure figure of the utility model spiral cutting edge cleansing pin；

Fig. 6 is that the overall structure of the utility model spiral cutting edge cleansing pin latches basal part cross-sectional view in " E " shape；

Fig. 7 is that the overall structure of the utility model spiral cutting edge cleansing pin is the cross section of cylindrical body in core needle needle handle syringe needle side Figure；

Fig. 8 is the band spiral cutting edge round blunt shape core needle syringe needle partial enlarged view of the utility model spiral cutting edge cleansing pin；

Fig. 9 is the core needle syringe needle and pipe needle needle that outer layer has band size scale groove and mark and movable sounding mark Body structure figure；

It is now that the label declaration in attached drawing is as follows:

1 is core needle part, and 1a is core needle syringe needle, and 1b is the core needle needle body, and 1c is core needle needle handle, and 1d is core needle spiral cutting edge, 1e is core needle needle handle protrusion, and 2 be trocar ports, and 2a is the pipe needle needle body, and 2b is pipe needle needle stand, and 2c is " E " shape lock, and 2d is band Size scale groove, 2e are backshank side lock, and 2f is pipe needle needle handle side lock tail plug, and 2g is that the needle stand bottom of pipe needle is recessed Slot, 2h are movable sounding mark, and 2i is band size scale marker, and 3 be power section, and 3 a are motor connector, and 3 b are Motor, 3 c are power supply, and 3d is the syringe needle side plug of motor connector.

Specific embodiment

The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:

The utility model provides a kind of spiral cutting edge cleansing pin, which can extract interverbebral disc nucleus pulposus group outstanding It knits, moreover it is possible to while carrying out soft tissue adhesion, scar and contracture etc. outside sharp property and passivity soft tissue release canalis spinalis.Meanwhile it is such Spiral cutting edge cleansing pin avoids operation risk and drug side-effect, simplifies treatment, facilitates operation, reduces expense.

As a kind of embodiment of the utility model, in the present embodiment, as shown in figures 1-8, this in the present embodiment is practical new A kind of spiral cutting edge cleansing pin of type, including detachable core needle part 1, trocar ports 2 and power section 3, the core needle can be connected Part 1 includes core needle syringe needle 1a, the core needle needle body 1b being successively connected and core needle needle handle 1c, the core needle syringe needle 1a and core needle Needle body 1b formation smoothly transits, and the edge of a knife line and core needle needle handle 1c flat horizontal surface of the core needle syringe needle 1a is in same plane, the core Needle part 1 is tapered with core needle spiral cutting edge 1d, the core needle syringe needle 1a tail end head-end, each axis section bilateral symmetry, most There are core needle spiral cutting edge 1d, the core needle spiral cutting edge 1d and pipe needle in the periphery of the aft edge of head end end to core needle needle body 1b Needle body 2a is fitted close, and the trocar ports 2 are hollow tubular structures, including pipe needle needle body 2a and pipe needle needle stand 2b, the core Needle part 1 is inserted in the pore of trocar ports 2, is fitted close with the gap of trocar ports 2, the core needle syringe needle 1a protruded tube needle needle body The head end of 2a, the tail end of the core needle needle handle 1c protruded tube needle needle stand 2b of core needle syringe needle 1a, the power section 3 include to move manually Force mechanisms or motor power mechanism, the power section 3 are mounted on the core needle rear end needle handle 1c and by connection structure and pipe needle needles Seat 2b is connected.

Power section 3 described in the utility model is that motor power mechanism includes motor connector 3a, power supply 3c, motor The syringe needle side plug 3d of 3b and its motor connector, the power supply 3c have in the rear end motor 3b, the front end the motor 3b Motor connector 3a is connected with the rear end core needle needle handle 1c, and the outer upper ends of the motor connector 3a have motor connector Syringe needle side plug 3d, the motor connector 3a passes through the syringe needle side plug 3d of motor connector and pipe needle needle stand 2b tail The pipe needle needle handle side lock tail plug 2f at end is connected, and the utility model mainly uses electric-powered, and the connector of motor is circle Cylinder, cylindrical body inside syringe needle side is motor, and needle handle side is power supply inside cylindrical body, and there is linear type gap in the syringe needle side of motor For the prolate cube insertion of core needle needle handle side, there are two plugs for the syringe needle side of connector, can insertion tube needle needle handle side lock tail end In socket, with the entire cleansing pin of fixation.

The needle tip of core needle syringe needle 1a described in the utility model is in round blunt warhead shape；The core needle needle body 1b is filled circles Cylinder；The core needle needle handle 1c is the cylindrical body for the syringe needle side being connected and the prolate cube of needle handle side, the core needle needle handle 1c The cylindrical body of head side is clasped by the backshank side lock of the pipe needle needle body, and the flat-sided cuboid of the needle handle of core needle needle handle can put in cylindrical body Motor connector inside.

The tail end of core needle needle handle 1c described in the utility model has core needle needle handle protrusion 1e, the pipe needle needle of the trocar ports 2 Seat 2b has the needle stand bottom groove 2g of pipe needle, and protrusion enters the groove front end of pipe needle pedestal when can be with core needle insertion tube needle, Groove corresponding with protrusion can be arranged at the needle stand bottom of pipe needle.Protrusion enters the recessed of pipe needle pedestal when can be with core needle insertion tube needle Slot front end connects with pipe needle core needle stuck；Protrusion exits the groove of pipe needle pedestal with core needle, could be by core needle and pipe needle pine It opens and connects.

Pipe needle needle stand 2b described in the utility model is prolate cube, and two sides respectively connect " E " shape lock 2c, each " E " shape Latching 2c points is needle handle side lock and syringe needle side lock, and needle handle side lock can clasp the cylindrical body of core needle needle handle, press syringe needle side Lock can make the cylindrical body or prolate cube of needle handle side lock release core needle needle handle.

As shown in figure 9, core needle syringe needle and pipe needle needle body outer layer can outer layer have groove and mark with size scale, Yi Jike Movable sounding mark, in favor of when cleansing pin enters human body under ultrasonic navigation ultrasound evident from the syringe needle of core needle and the needle of pipe needle Body, and the sizing and mobilizable sounding mark that are punctured outside skin outside needle tubing needle when puncture puncture to judge and make a reservation for Depth.

The utility model spiral cutting edge cleansing pin can be carried out interverbebral disc intervertebral disc marrow nuclear excising skill of handling needles etc. in the present embodiment.

The utility model spiral cutting edge cleansing pin can be carried out sharp property soft tissue release etc. in the present embodiment, and feature is can be to soft group The effective sharp property separation skill of handling needles of progress is knitted, especially can cut interverbebral disc fiber before carrying out interverbebral disc intervertebral disc marrow nuclear excising Ring opens up channel for interverbebral disc intervertebral disc marrow nuclear excising.

The utility model spiral cutting edge cleansing pin can be carried out passivity soft tissue release etc. in the present embodiment, and feature is can be to soft group Knit the blunt separation skill of handling needles for carrying out safety.

The utility model spiral cutting edge cleansing pin can be carried out the puncture skill of handling needles in the present embodiment, and puncture needle is punctured to target Position, so as to interverbebral disc intervertebral disc marrow nuclear excising, sharp property and the passivity soft tissue release etc. for carrying out next step.

In addition, being described as follows using the technical solution of the utility model:

(1) it is as follows to puncture the skill of handling needles: patient is pinpointed with marking pen.Patient wears sterile gloves after washing one's hands with operating cap, mask. Therapentic part routine iodophor disinfection, paving aseptic hole-towel.Every 1% lidocaine local anaesthesia for the treatment of site injectable.Patient's left hand thumb Refer to pressing entry point, catch needle handle and needle stand with the right hand, makes needle knife handle and edge of a knife line and the important nerve of therapentic part, blood vessel and flesh Tendon trend is consistent.Every 1% lidocaine local anaesthesia for the treatment of site injectable.The spiral cutting edge that the right hand holds sharp shape core needle syringe needle is logical Needle is quickly pierced into skin, and core needle syringe needle is slowly made to reach diseased region.According to the image datas such as preoperative MRI or CT and patient bone Mark, the sizing and mobilizable sounding mark punctured when puncture outside skin outside needle tubing needle puncture depth to judge and make a reservation for Degree, operates under ultrasonic navigation as far as possible.Guarantee that important nerve, blood vessel and internal organs are avoided in core needle syringe needle hand-manipulating of needle direction.After treatment, Spiral cutting edge cleansing pin is extracted, aseptic dressing or adhesive bandage are pasted in inserting needle position, and therapentic part presses 5 minutes.This skill of handling needles is following each Skill of handling needles early period of the kind skill of handling needles.

(2) the sharp property separation skill of handling needles is as follows: puncturing skill of handling needles rear left hand fixing pipe needle and presses syringe needle side lock, makes needle handle side chain Button unclamps the prolate cube of core needle needle handle, and the right hand exits after the core needle of sharp shape core needle syringe needle the core for being inserted into flat mouth wedge shape syringe needle Needle, left hand are pressed and the core needle of flat mouth wedge shape syringe needle are inserted into bottom after syringe needle side lock.Then it carries out such as needle-inserting method: 1. proposing slotting cutting Method: it after syringe needle is inserted into diseased region the 1st knife of cutting, returns and mentions 0.5cm, then be respectively inserted into 0.5cm up and down respectively；2. stringer is dredged Logical method: syringe needle is longitudinally handled the needle in the direction for prolonging edge of a knife line in vivo；3. row stripping method: syringe needle is in vivo perpendicular to the side of edge of a knife line It handles the needle to transverse direction.Spiral cutting edge cleansing pin is exited, pastes aseptic dressing in pinprick.

(3) the blunt separation skill of handling needles is as follows: puncturing skill of handling needles rear left hand fixing pipe needle and presses syringe needle side lock, makes needle handle side chain Button unclamps the prolate cube of core needle needle handle, and the right hand exits after the core needle of sharp shape core needle syringe needle the core needle for being inserted into round blunt shape syringe needle, Left hand is pressed and the core needle of flat mouth wedge shape syringe needle is inserted into bottom after syringe needle side lock.Then such as needle-inserting method is carried out: 1. vertical with needle knife Broken skin inserting needle 0.5cm backed off after random needle knife；2. disclosing acupuncture manipulation in parallel: prolonging broken skin needle track for round blunt needle section and be pierced into subcutaneous 0.5cm, Xiang Zhi The direction fascia superficialis for entering lesion parallel with subcutaneous fascia is treated, 1 round blunt needle is made every 0.5cm and discloses thorn.This method is suitable for shallow muscle Film strain；Diagonal discloses acupuncture manipulation: prolonging broken skin needle track and is pierced into round blunt needle section between the bone face and deep fascia of lesion, with deep fascia Diagonal enters between the bone face of lesion and deep fascia, makees 1 round blunt needle every 0.5cm and discloses thorn, exits spiral cutting edge cleansing pin, pastes nothing Bacterium dressing is in pinprick.This method is strained suitable for deep fascia.

(4) sharp property adds the blunt separation skill of handling needles as follows: first carrying out the sharp property separation skill of handling needles, then carries out the blunt separation skill of handling needles.It plays Needle knife and the respective advantage of round blunt needle, and needle knife and the respective defect of round blunt needle are avoided, eliminate independent passivity soft tissue pine The broken skin program of the skill of handling needles is solved, while guaranteeing round blunt needle " along former needle cutter track diameter " continual cure, exits spiral cutting edge cleansing pin, is pasted sterile Dressing is in pinprick.

(5) the interverbebral disc intervertebral disc marrow nuclear excising skill of handling needles is as follows: first carrying out puncture needle method, core needle syringe needle is placed in interverbebral disc fibre Tie up ring outer rim；It punctures skill of handling needles rear left hand fixing pipe needle and presses syringe needle side lock, needle handle side lock is made to unclamp the flat of core needle needle handle Cuboid, the right hand exit after the core needle of sharp shape core needle syringe needle the core needle for being inserted into flat mouth wedge shape syringe needle, and left hand presses syringe needle side chain The core needle of flat mouth wedge shape syringe needle is inserted into bottom after button, slotting 3 knife is mentioned with the core needle of flat mouth wedge shape syringe needle, cuts annulus fibrosus disci intervertebralis； The right hand is inserted into the core needle with spiral cutting edge round blunt shape syringe needle after exiting the core needle of flat mouth wedge shape core needle syringe needle, loosens syringe needle side lock Needle handle side lock can be made to lock the cylindrical body of core needle needle handle；The prolate cube of core needle needle handle is inserted into electronic needle head side " one " word Shape gap, and by the socket of the two plug insertion tube needle needle handle side lock tail ends in the syringe needle side of motor connector, with fixation Entire cleansing pin；Motor switch is pressed, drives the spiral cutting edge on core needle syringe needle to reversely rotate by motor, by nucleus pulposus Rotation is retrodicted into the gap between core needle spiral cutting edge and the pipe needle needle body after chopping；Core needle needle handle can also be can be manually rotated, make core Spiral cutting edge on needle syringe needle reversely rotates, and rotation is retrodicted into core needle spiral cutting edge and the pipe needle needle body after nucleus pulposus is shredded Between gap；The cylindrical body that syringe needle side lock makes needle handle side lock unclamp core needle needle handle is pressed, the right hand exits band spiral cutting edge Round blunt shape core needle protrudes into nucleus pulposus pincers of intervertebral disc, removal of disc nucleus pulposus from the pore of pipe needle；Nucleus pulposus clamp is first exited, then is moved back Outlet pipe needle pastes aseptic dressing in pinprick.

The above skill of handling needles can be used alone, and can also be used in combination, and spiral cutting edge cleansing pin is enable to extract interverbebral disc intervertebral outstanding Disk nucleus pulposus, moreover it is possible to while carrying out soft tissue adhesion, scar and contracture etc. outside sharp property and passivity soft tissue release canalis spinalis.

The above descriptions are merely preferred embodiments of the present invention, is not to make any other to the utility model The limitation of form, and according to any modification or equivalent variations made by the technical essence of the utility model, it is practical new to still fall within this Type range claimed.

Claims (7)

1. a kind of spiral cutting edge cleansing pin, including detachable core needle part (1), trocar ports (2) and power section can be connected (3), it is characterised in that: the core needle part (1) includes the core needle syringe needle (1a), the core needle needle body (1b) and core being successively connected Needle needle handle (1c), the core needle syringe needle (1a) and the core needle needle body (1b) formation smoothly transit, the edge of a knife of the core needle syringe needle (1a) Line and core needle needle handle (1c) flat horizontal surface are in same plane, core needle part (1) band core needle spiral cutting edge (1d), the core needle needle Head (1a) tail end head-end is tapered, each axis section bilateral symmetry, the most aft edge of head end end to the core needle needle body (1b) Periphery have core needle spiral cutting edge (1d), core needle spiral cutting edge (1d) the He Guanzhen needle body (2a) is fitted close, the pipe needle Partially (2) are hollow tubular structures, including the pipe needle needle body (2a) He Guanzhen needle stand (2b), the core needle part (1) are inserted in pipe needle Partially in the pore of (2), it is fitted close with the gap of trocar ports (2), the head of core needle syringe needle (1a) the protruded tube needle needle body (2a) End, the tail end of core needle needle handle (1c) the protruded tube needle needle stand (2b) of core needle syringe needle (1a), the power section (3) is including being manual Power mechanism or motor power mechanism, the power section (3) be mounted on the core needle needle handle rear end (1c) and by connection structure with Pipe needle needle stand (2b) is connected.

2. a kind of spiral cutting edge cleansing pin according to claim 1, it is characterised in that: the power section (3) is motor Force mechanisms include the syringe needle side plug of motor connector (3a), power supply (3c), motor (3b) and its motor connector (3d), the power supply (3c) have motor connector (3a) and core needle in the rear end motor (3b), motor (3b) front end The needle handle rear end (1c) is connected, and the outer upper ends of the motor connector (3a) have the syringe needle side plug of motor connector (3d), the syringe needle side plug (3d) and pipe needle needle stand (2b) tail end that the motor connector (3a) passes through motor connector Pipe needle needle handle side lock tail plug (2f) is connected.

3. a kind of spiral cutting edge cleansing pin according to claim 1 or 2, it is characterised in that:

The needle tip of the core needle syringe needle (1a) is in round blunt warhead shape；

The core needle needle body (1b) is solid cylinder；

The core needle needle handle (1c) is the cylindrical body for the syringe needle side being connected and the prolate cube of needle handle side.

4. a kind of spiral cutting edge cleansing pin according to claim 3, it is characterised in that: the circle of core needle needle handle (1c) head side Cylinder is clasped by the backshank side lock (2e) of the pipe needle needle body (2a).

5. a kind of spiral cutting edge cleansing pin according to claim 1, it is characterised in that: the tail end of the core needle needle handle (1c) has The pipe needle needle stand (2b) of core needle needle handle protrusion (1e), the trocar ports (2) has the needle stand bottom groove (2g) of pipe needle, protrusion energy Enter the groove front end of pipe needle pedestal when enough with core needle insertion tube needle.

6. a kind of spiral cutting edge cleansing pin according to claim 1, it is characterised in that: the pipe needle needle stand (2b) is prolate side Body, two sides respectively connect " E " shape lock (2c), and each " E " shape lock (2c) is divided into needle handle side lock and syringe needle side lock.

7. a kind of spiral cutting edge cleansing pin according to claim 1, it is characterised in that: the pipe needle needle body (2a) outer layer increases With size scale groove (2d), movable sounding mark (2h) and with size scale marker (2i).