CN2358841Y

CN2358841Y - Medical rotary incision driver

Info

Publication number: CN2358841Y
Application number: CN 99237389
Authority: CN
Inventors: 郭自明
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-03-24
Filing date: 1999-03-24
Publication date: 2000-01-19
Anticipated expiration: 2009-03-24

Abstract

The utility model relates to a medical rotary cutting driver, which comprises a dynamic force part composed of a rotary device and a water inflow and cutting, absorbing and discharging control switch and a cutting and absorbing needle body composed of an inner needle and an outer needle. The rotary device is composed of a driving rod and a transmitting part. The water inflow and cutting, absorbing and discharging control switch is composed of a switch rod, a multi-way pipe and a valve core. A tooth rod is connected with a gear to drive the inner needle. The multi-way pipe is respectively communicated with the inner needle, an infusion pipe and an absorbing and discharging hose. An inlet and an outlet are connected and controlled by the switch driving rod and the valve core. The utility model uses hand power drive to cut. The medical rotary cutting driver has the advantages of light weight and convenient carrying and simultaneously has the characteristics of thinness of the needle body, no injury, convenient operation, cutting and absorbing strength, hand driving operation, strong applicability, etc.

Description

Medical rotary-cut driver

This utility model belongs to medical surgical instruments, especially a kind of surgical cut apparatus, the trocar, puncture needle, convergent divergent channel, international Patent classificating number A61B17/32, A61B17/34, A61B17/56.

China's utility model patent communique the 7th volume discloses a kind of prolapse of intervertebral disc therapeutic instrument No. 49, the patent No. 90219273, authorization notification number CN2089792U, its power section is the micro machine deceleration device, power is sent on the tongue shape pressing plate through the eccentric cam on the axle, cooperate the hollow impact bar of control to move back and forth with back-moving spring, cutting part is the hollow puncture needle of fixedlying connected with hollow impact bar lower end; Its lower end is cutter, has the pin overcoat that holds the pathological tissues breach and fixedlys connected with silk braid, and the silk braid downside leaves water inlet, fixedlys connected with the lower end of shell through nipple in the upper end.The 12nd volume discloses a kind of automatic disc removal device No. 35, the patent No. 95215180, authorization notification number CN2233727Y, it includes otch, sealing ring, conduit, water inlet outlet, trocar sheath, it utilizes two-way entity Worm type cutting knife, twice of cutting rotates a circle, cut nucleus pulposus can be discharged under the worm screw effect of rotation automatically, utilize conduit as irrigator, because the caliber inflow is big, developing result is good, and the cutting knife afterbody with enucleator is connected with flexible axle simultaneously, can effectively reach the requirement of sterile working.The shortcoming that they exist is: 1, operation is more loaded down with trivial details: need guide pin, puncture needle, trocar, dilator, operation need progressively be carried out, and just can be placed on inside and outside cutting operation.2, the operation puncture channel is thicker, easily causes nerve, blood vessel injury: because interior outer cutter end is shaft-like, must be in guiding, puncture, and after expansion is set up passage and placed sleeve pipe step by step, sickle is inserted in the sleeve pipe and can cut.Thereby bigger passage has increased the danger of nerve, blood vessel and tissue injury.Part patient, nerve, blood vessel injury are often arranged in the practice and end cutting.Hematoma is arranged after the part patient cutting, complication such as nerve injury takes place in various degree.3, passage is set up in water inlet, discharge separately, has increased the sickle diameter, has increased the damage probability.Or water inlet is at interior cutter near-end, and water cycle is confined in sickle self pipeline, and cutting area is not rinsed basically, aspirate unclean, cut the suction degree a little less than.4, interior outer cutter.Far-end is column, the lateral margin opening, and during the inner cutter rotation, within outer cutter side opening plane, it is few to grasp thing all the time for its side opening blade, usually needs to get tissue by means of the vertebral pulp clamp.5, the electric power drive is adopted in power section, needs connections such as the mechanical, electrical line of electricity consumption, complex structure.

The purpose of this utility model provides that a kind of needle body is thin, not damaged, easy and simple to handle, cut and inhale strong, manual operation, the strong medical rotary-cut driver of the suitability.

The purpose of this utility model is achieved in that a kind of medical rotary-cut driver, it comprises power section and cuts the suction spindle body, cut the suction spindle body and comprise interior pin 9, outer pin 10, interior pin 10 is positioned at outer pin 9, power section comprises tumbler and water inlet, cut suction goes out gauge tap, tumbler is made up of drive rod and rotating part, intakes, cuts suction and go out gauge tap and be made up of switch lever, many siphunculus 6, spool 5;

Rack type ratch

2,20,

ratch

2,20 1 ends are provided with in the bar handle 1,19,

ratch

2,20 circular hole that vertically settings can be inserted

spring

4,22, one end setting prevents that the

metal bar

13,21 that

spring

4,22 is deviate from from inserting in the

spring

4,22, and

spring

4,22 and

metal bar

13,21 constitute

ratch

2,20 resetting means; Running part comprises the gear 3,23 that the

ratch

2,20 that partly drives with drive rod is connected, and gear 3 drives the interior pin 9 of cutting the suction spindle body; Many siphunculus 6 go out flexible pipe 8 with the interior pin 9 of cutting the suction spindle body, tube for transfusion 7, ejectment respectively and communicate, and the ratch 20 of switch lever part is connected with spool (5) by gear 23.Travelling gear is connected with gear 3, and travelling gear 14 drives the tooth that links to each other with interior pin 9 and rotates and drive interior pin 9 rotations.The weighting distribution wheel part is set, and it comprises the counterweight drive 16 that is connected with gear on the interior pin 9, and counterweight drive 16 drives weight gear 17, and weight gear drives weighting distribution wheel 18.Spool 5 is provided with vertical hole, side opening, and side, vertical two holes at right angles communicate, and spool 5 one ends are established gear, drive rotation by switch lever.Many siphunculus 6 are the hollow four-way pipe, and two cross-drilled hole collar extensions connect tube for transfusion 7 respectively and suction pump flexible pipe 8, two vertical hole collar extensions insert interior pin 9 respectively, spool 5, and spool 5 vertical holes join with interior pin 9 and communicate, and spool 5 side openings communicate with attracting discharge pipe 8.

This utility model is owing to adopt the terminal taper that is, the sickle that internal and external pin combines can make to expand pin, puncture needle, biopsy needle, sickle, bone drill usefulness, the many usefulness of a pin, and the suitability is strong.Be fit to cut the irregularity thing, smooth neat thing, cut hard thing such as file bone sex organization, not only be used for the intervertebral disc cutting, also can be used for intracranial and cut swollen, the disease of sucking blood and search material, small needle knife, pin seam hydrojet is used for sealing, separation of synechia, breaks up hematoma etc.Only need one man operation, step is easy: behind the internal and external pin puncture target area, can begin to cut suction.Needle body is thin, almost not damaged: the water inlet of interior pin double as, cut suction and engage in this profession, reduced channel diameter, need not dilator, impassivity, blood vessel and tissue injury.Inside and outside dial is sheared organizational efficiency's height: interior pin rotation, and interior pin side is curved, exceeds the outer pin conical surface, stings that to cut thing many, and water inlet can be convenient to attraction to the target area.Manual force drives cutting, and equipment is light and handy, easy to carry, nothing has a power failure, the melancholy of electric leakage.

Below in conjunction with drawings and Examples this utility model is further described.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the partial schematic diagram of Fig. 1.

Fig. 3 is the partial structurtes sketch map of Fig. 1.

Fig. 4 is another partial structurtes sketch map of Fig. 4.

Among the figure 1, the bar handle, 2, ratch, 3, gear, 4, spring, 5, spool, 6, four-way pipe, 7, water inlet pipe, connect tube for transfusion, 8, attract tap, connect the attraction drain hose, 9, interior pin, 10 outer pins, 11, shell, 12, cut and inhale tissue, 13, metal bar, 14, drive, 15, interior pin swing pinion, 16, join drive, 17, weight gear, 18, weighting distribution wheel, 19, the bar handle, 20, ratch, 21, metal bar, 22, spring, 23, gear.

Power section of the present utility model:

1, drive rod: it is ratch 2 that the one side of bar has tooth, ratch 2 ends have handle 1, one diameter 4mm circular hole vertically is set in the ratch 2, can inserts that far-end is provided with flat section of long 3mm in case the diameter 2.5mm metal bar 13 that spring 4 is deviate from, flat section is butted on tumbler shell 11 inwalls.Hold tumbler, depression bar handle 1, ratch advances, and ratch 2 inner springs are pushed to push to squeeze and are butted on 13 flat sections of metal bars, and spring 4 flicks when loosing one's grip, and pushes away ratch 2 and retreats, and is back to original position.See Fig. 1 and Fig. 2.

2, the kind of drive: hands advances by drive rod, and ratch 2 pushes away gear 3 reaches, drives its rotation.Pine ratch 2, spring 4 pushes away ratch 2 and retreats, and moves behind the driven gear 3, breaks away from travelling gear, and ratch 2 advances and pushes away travelling gear 3 rotations, that is 9 rotations of interior pin, and its rotating speed and rotational time depend on the frequency and the dynamics of pressure, loose drive rod.

Water inlet, cut suction and go out gauge tap:

Switch lever: the same drive rod of structure.

Section far away is provided with vertical hole in the spool 5, and the stage casing is provided with side opening, and side, vertical two holes at right angles communicate.Spool 5 near-ends are gear 23, and the ratch 20 of switch lever intersects with valve core gear 23, and ratch 20 forward and back cause spool 5 rotations.See Fig. 1 and Fig. 2.

Four-way pipe 6 is a hollow pipe, straight-through in length and breadth have four collar extensions, two cross-drilled hole collar extensions to connect respectively to insert respectively outside tube for transfusion 7 and suction pump flexible pipe 8, the two vertical holes in section far away in the pin 9 nearly sections, spool 5.Spool 5 vertical holes join with interior pin 9 and communicate, and spool 5 side openings communicate (interior pin chamber communicates with attracting outlet duct) with attracting discharge pipe 8, press switch lever, and ratch 20 pushes away spool 5 Rotate 180s when spending, and the spool side opening communicates with infusion hole 7, and attraction tap 8 is closed.Pin 9 was to cutting area in liquid entered.The pine switch lever, spool 5 goes back to original position, and interior pin chamber communicates with attracting tap 8.See Fig. 1 and Fig. 2.

External part:

Drive the rotator shell two holes are arranged: one: the inlet opening connects four-way pipe 6, and suspention infusion bottle (bag) and pharmaceutical drugs and radiography are used.Its two: go out the thing hole and connect the electric suction apparatus flexible pipe.

Operation: internal and external pin is punctured to the target area, holds rotator, and foot is stepped on suction pump, and finger is pressed drive rod, interior pin rotation, inside and outside dial is stung and is cut thing and be drawn onto in the suction bottle, cut inhale stop after, the finger bar that compresses switch attracts tap to open and close, the pin chamber was to the target area in liquid entered.Cutting inspiration water hockets.

Cut the suction spindle body:

By long 120mm, overall diameter 2mm left and right sides metal needle inserts the promptly interior pin 9 of overall diameter 1.6mm left and right sides metal needle in the outer pin 10, rotate non-resistance within it with interior pin 9 and be advisable.The terminal long 5mm of the internal and external pin left and right sides diagonal conical surface forms needle point.Needle tip tilts slightly to conical surface side, makes needle point become 5-10 degree arc with needle body.Interior pin 9 conical surface lateral margins (pin sword) form is: interior pin tooth shape attitude is: the level and smooth shape of interior pin sword, interior pin sword zigzag, interior pin sword waveform, interior needle tip auger shape.

Interior pin 9 rotations, internal and external pin conical surface correspondence forms a cone, can make convergent divergent channel and use.Interior pin 9 retreats, and promptly reveals the sharp keen needle point of outer pin, and 9 one-tenth nook closing members of interior pin are made puncture needle and used.Interior pin retreats, outer pin end an arc sharp knife, replace the trepan (brill) of other sicklies, see Figure 13.The lateral margin slit of internal and external pin conical surface correspondence, liquid medicine injection under certain pressure, slit ejection fluid column can be used as and breaks up intracranial hematoma, effects such as nerve root periphery seal, separation of synechia.Internal and external pin rotates, and changes most advanced and sophisticated form, chooses as human acupoint and scrapes, and has the small needle knife function.Look clinical required: internal and external pin is punctured to the target area, withdraws from interior pin, and insert and bore pin 9 in the shape, but rigid things such as drilling bone sex organization.The above-mentioned suction spindle body of cutting also can be used as pathologic finding and draws materials.Bore rigid product, the barrier actions of outer needle back side such as file bone sex organization, can protect the tissue that need not bore file.

Claims

1, a kind of medical rotary-cut driver, it comprises power section and cuts the suction spindle body, cut the suction spindle body and comprise interior pin (9), outer pin (10), interior pin (9) is positioned at outer pin (10), it is characterized in that: power section comprises tumbler and water inlet, cut suction goes out gauge tap, tumbler is made up of drive rod and rotating part, intakes, cuts suction and go out gauge tap and be made up of switch lever, many siphunculus (6), spool (5); Drive rod partly comprises rack type ratch (2,20), ratch (2, a 20) end is provided with bar handle (1,19), vertical setting can be inserted the circular hole of spring (4,22) in the ratch (2,20), one end setting prevents that the metal bar (13,21) that spring (4,22) is deviate from from inserting in the spring (4,22), and spring (4,22) constitutes ratch (2,20) resetting means with metal bar (13,21); Running part comprises the gear (3,23) that the ratch (2,20) that partly drives with drive rod is connected, and gear (3) drives the interior pin (9) of cutting the suction spindle body; Many siphunculus (6) go out flexible pipe (8) with the interior pin (9) of cutting the suction spindle body, tube for transfusion (7), ejectment respectively and communicate, and the ratch (20) of switch lever part is connected with spool (5) by gear (23).

2, a kind of medical rotary-cut driver according to claim 1 is characterized in that travelling gear is connected with gear (3), and travelling gear (14) drives the tooth that links to each other with interior pin (9) and rotates and drive interior pin (9) rotation.

3, a kind of medical rotary-cut driver according to claim 1 and 2, it is characterized in that being provided with the weighting distribution wheel part, it comprises the counterweight drive (16) that is connected with gear on the interior pin (9), and counterweight drive (16) drives weight gear 17, and weight gear drives weighting distribution wheel (18).

4, a kind of medical rotary-cut driver according to claim 1 is characterized in that spool (5) is provided with vertical hole, side opening, and side, vertical two holes at right angles communicate, and the gear (23) of spool (5) one ends drives rotation by switch lever.

5, according to claim 1 or 4 described a kind of medical rotary-cut drivers, it is characterized in that many siphunculus (6) are the hollow four-way pipe, two cross-drilled hole collar extensions connect tube for transfusion (7) respectively and attract a mouthful flexible pipe (8), two vertical hole collar extensions insert interior pin (9) respectively, spool (5), spool 5 vertical holes join with interior pin and communicate, and spool (5) side opening communicates with attracting discharge pipe (8).