CN108143440A

CN108143440A - Configuration applied to the biopsy device with the reusable trigger for disposable needle

Info

Publication number: CN108143440A
Application number: CN201611101264.1A
Authority: CN
Inventors: 多里瓦·帕罗内托
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-02
Filing date: 2016-12-02
Publication date: 2018-06-12

Abstract

Applied to the configuration of the biopsy device with the reusable trigger for disposable needle, including the equipment for histology biopsy, which is characterized in that it is medical instrument；It is formed by the disposable needle of one group of " full core " type and for the reusable trigger of soft tissue biopsy, needle is designed exploitation and is exclusively used in this trigger, it is impossible to use them in other equipment；The biopsy device of the prior art is not that user's not accommodating during biopsy procedure is carried out is difficult to handle；In most of current versions, user is moved twice so that equipment is ready to trigger；After collecting tissue sample, need to set it is primary remove sample, reset and place it in correct position for the second time and regather；Another is not the quantity that tissue sample is extracted from organ, in many cases, it is impossible to satisfactorily make a definite diagnosis；In order to solve the problems, such as these inconveniences in the prior art, develop the present invention, its operating principle makes it possible to collect " full core " (full-sleeve) type, wherein needle is mobile by preceding carrier (21) and rear carrier (22), transmission inner sleeve (7a) and outer sleeve (6a), provide rotary motion and needle core (9a) remains stationary as；Carrier is by being arranged on spring (41) tethered sliding of structure case (11) forepart；Trigger also is provided with mechanism, and realization is adjusted forward, is easily handled, and the needle of same type can be used to collect the sample of two kinds of specifications.

Description

Configuration applied to the biopsy device with the reusable trigger for disposable needle

Technical field

The purpose of patent right of the present invention is to provide a kind of new device of practical innovation, which is included for disposable needle Reusable trigger, the disposable needle be " full core " type, for soft tissue biopsy, needle be designed exploitation be exclusively used in it is this Trigger, it is impossible to use them in other equipment；This device, which belongs to, is exclusively used in extraction tissue (mankind or animal) sample Medical instruments field, to carry out histologic analysis；The present invention provides novel, innovation structure and practical for this device Configuration.

Therefore, in title Patent request, there are one the equipment extremely innovated for we, are specifically designed exploitation, enable use When obtain higher practicability and efficiency, bring very big advantage for user.The simplification of production process concept is also a kind of advantage.

The purpose of this request also provides a kind of new device for soft tissue biopsy, and industrialization is at low cost, but still accords with Robustness, durability, safety and practicability are closed, provides the product for biopsy procedure of completely new high quality, tool to the user There is the market value of suitable competitiveness.

Background technology

Biopsy is a kind of surgical operation, should collect the tissue to be analyzed by the medical professional of different majors.Substantially, There are two types of the biopsy of type, cytology and histology.

Cytology biopsy is carried out by aspirating to puncture, and uses the smaller needle of diameter.This is a kind of incision surgery, usually By B-ultrasound, from node or tumour suction tumour or liquid substance.

Histology biopsy is performed the operation by the percutaneous puncture that coaxial needle system carries out, and extracts a small amount of tissue samples in affected part.

The prior art

Some units for being currently used for carrying out tissue biopsy are made of two carriers in a rectangular prism structure, Two carrier series connection but non-concurrently two linear movements of progress.Preceding carrier couples sleeve, and rear carrier couples a needle core, needle core There is a recess by proximal end.After needle is triggered, first, needle core is offed normal into the region that will extract tissue biopsy sample.It should Tissue stops the recess in this needle core, and then, after needle core enters, the casing of preceding carrier is offed normal, and is breaking at the tissue of needle core, is received Collect substance, wherein the movement of each carrier is as caused by independent spiral spring.The operating principle of this existing equipment is based on bullet Spring compresses.

One of existing inconvenience of biopsy device is that user's not accommodating during biopsy procedure is carried out is difficult to handle；This Outside, in most of models, user need to be moved twice so that equipment is ready to trigger.

Another is not after tissue sample is collected, and needs to prepare to remove it first, then place it in just True position regathers, and in some operations, needs to collect repeatedly, so as to cause the very big discomfort of user.

Another is not related with the tissue sample quantity extracted from organ, and in many cases, sample size cannot It satisfactorily carries out biopsy and makes a definite diagnosis.

Therefore, configuration claimed herein is sought to solve the problems, such as these inconveniences in the prior art.

Invention content

The problem of in view of being referred in the description of the prior art, it is evident that up to the present, it is still desirable to development equipment with Improve extraction biopsy samples process.

After exploring and testing many times, there is the sector related field to generally acknowledge the inventor of knowledge, create and develop Present patent application, entitled " configuration for being applied to the biopsy device with the reusable trigger for disposable needle ", packet The equipment being made of the one group of needle and trigger for being used for biopsy is included, wherein needle is that this trigger is dedicated.

The present invention not only allows for machinery and functional character, and considers shape, configuration and the positioning of its parts, by It is appropriately set in them, so, improve efficiency, practicability and the comfort performed the operation.

Therefore, the creation of present patent application and exploitation purpose are to obtain only equipment of the tool there are one movement is set, convenient Ground is configured to carry out biopsy procedure, and each notch of user is allowed only to set once.

It is arranged for first notch, extracts fragment of tissue, meanwhile, when it, which is set, carries out new collection, first The sample obtained in fore edge is removed.

Therefore, the present invention is set according to the exploitation of modern project Technology design with disposable needle and the novel of reusable trigger It is standby, practical, effective and innovation, and with all aesthetics and functional characters.

This equipment is that height is durable, and operation is practical, is totally different from the type provided on Vehicles Collected from Market, meets human body The shape of engineering science so that biopsy procedure functionality reaches superior level.

The biopsy device of the new construction shape provides collection system, it is therefore an objective to needle be made to be easier to penetrate, be collected into apparent The tissue of higher amount, makes coaxial rotating move to inner cavity.

The major advantage of this equipment is：

Extractable a greater amount of fragment of tissue, makes diagnostic analysis more effective；

With single soft movement, equipment is set in a manner of lighter, more comfortable；

Depth penetrates are adjustable at 18 and 26 millimeters to collect tissue, can auto-returned；

It automatically opens lid and places needle；

" mistake proofing " system of use facilitates placement and slave flipflop to take out needle；

Equipment is with side or the back side and preceding trigger；

Only trigger is operated with a hand；

Trigger can sterilize in autoclave (saturated steam)；

When returning, needle is complete disposable equipment, can be disposably special, makes casing group (inside and outside) longitudinal The system of displacement and simultaneously rotary motion, this rotary motion cut off tissue, convenient for wearing when casing starts to move forward Thoroughly.After casing marginally initial breakthrough, which terminates.After casing completely penetrates through the tissue to be extracted, rotation Transhipment is dynamic to restart, it is therefore an objective to which the tissue sample in inner sleeve is collected in cut-out, so as to which patient organ be avoided excessively to go out Blood.

View of the foregoing, it will be seen that since the present invention is innovated relative to existing equipment in the market completely, the making of present device Very simple also obtains relevant practical and functional effect.

Description of the drawings

Feature for a better understanding of the present invention, and according to preferred embodiment, the present invention provides a set of attached drawing As the supplement of specification, only as the operation for illustratively describing the present invention, wherein：

Fig. 1 shows the vertical view of the needle group with rotary system；

Fig. 2 shows the upper front stereogram of the needle group with rotary system；

Fig. 3 shows the upper front stereogram at the four kinds of tips that can be formed on needle or oblique angle；

Fig. 4 shows the decomposition plan view of the needle group with rotary system；

Fig. 5 is shown with the handle for grasping type, for carrying the upper rear perspective view of the trigger of the needle of rotary system；

Fig. 6 shows the upper front stereogram with the trigger for grasping type handle；

Fig. 7 is displayed without the side view of the trigger of external structure seen from above, it can be seen that internal element；

Fig. 8 is displayed without the side view of the trigger of external structure, it can be seen that internal element；

Fig. 9 shows rear exploded view seen from above, illustrate for carry rotary system biopsy needle trigger Component；

Figure 10 shows the whole full side cutaway view of trigger, and wherein needle group is coupling in the position of setting；

Figure 11 shows the upper rear perspective view of trigger, and wherein upper cover is opened, and needle group is coupling in the position of setting；

Figure 12 shows the upper front stereogram of the trigger with lid, and wherein needle group is coupling in the position of setting；

The upper front stereogram of trigger during the handle of Figure 13 display selection lever-types, wherein upper cover are opened, needle coupling It closes；

The upper rear perspective view of trigger during the handle of Figure 14 display selection lever-types, wherein upper cover are opened, needle coupling It closes；

The side view of trigger during the handle of Figure 15 display selection lever-types, wherein cover closing, needle coupling；

Figure 16 displays are selected with cross flute profile at interval so as to house trigger during the lower handle of user's finger Upper front stereogram, wherein needle couple；

Figure 17 displays are selected with cross flute profile at interval so as to house trigger during the lower handle of user's finger Upper rear perspective view, wherein needle couple；

Figure 18 shows the side view of trigger when selecting the lower handle with cross recess, and wherein needle couples, and more preferable Ground shows the interval of accommodating user's finger；

Specific embodiment

With reference to shown attached drawing, the present invention relates to " be applied to the biopsy dress with the reusable trigger for disposable needle The configuration put " more precisely, being the device for histology biopsy, is made of one group of disposable needle and reusable trigger, Needle is designed exploitation to be exclusively used in this trigger, it is impossible to use them in other equipment.

The present invention is made of the prismatic structure case of horizontal rectangular (11), before have a cup, be equipped with pivot opening lid (12), preceding carrier (21) and rear carrier (22) are installed in cup, preceding carrier (21) and rear carrier (22) arrange with stringing, And in guide rail (11a), guide rail (11a) is arranged on the side wall of cup, and preceding carrier (21) is rectangular prism, There is rectangular cam (21c) in its side, and rectangular cam (21c) is arranged in guide rail (11a), under the front of preceding carrier (21) Surface, has a chamber to accommodate helical spring (41), and helical spring (41) provides the group of preceding carrier (21) and rear carrier (22) composition Thrust, helical spring (41) are another cylindrical horizontal with the cylindrical horizontal axis (20) on protecgulum (13) and on preceding carrier (21) Axis (21b) engages.In the upper surface of preceding carrier (21), diagonally set there are two pin (21a), main cylinder is installed on pin (21a) (2)。

Main cylinder (2) is rectangle, and side and leading edge are round edges, and front, center has a circular cam.By starting coupling The rotation door bolt (8) of main cylinder (2) is closed, rotary motion can be generated at the beginning and end of longitudinal movement, the main cylinder (2) is by rear Carrier (22) drives, the rear carrier (22) carrier (21) before contact to Forward, fixed to the spiral in preceding carrier (21) After spring (41) release, the preceding carrier (21) is mobile, which passes through cylindrical shaft (25) and rear carrier (22) longitudinal direction Ground is connected with each other.Rotation door bolt (8) slides in screw thread cylinder (6), and rotary motion is generated around the longitudinal axis.Casing (6a) and casing (7a) It is coaxially disposed with needle core (9), rectangular cross recess of the needle core (9) with conical points and close to conical points mitigates internal pressure, needle Core (9) is arranged on the support element of needle core, by being located at the positive cylindrical pin (31a) of rear cover (39) and bottom (31) coupling It closes, the rear cover (39) is by cheese head screw (39a) fixed to structure case (11).In inner sleeve (7a), there are two lean on The nearby oblique chamber in portion, it is laterally opposed, but it is longitudinally spaced open, in the mobile screw thread cylinder of main cylinder (2) contact advance limited block (14) (4) after support, when helical spring (3) is pressurized, which causes the bolt-lock of outer sleeve (6a) to put in wherein.As schemed (3) institute Show, inner sleeve (7a) causes different types of oblique angle according to different applicable cases.

In the upper surface of rear carrier (22), the rectangular prism protrusion that laterally has, longitudinal direction, which has, leads to flat base center Channel and with cup dolly channel, in protecgulum (13), there is round horizontal axis (20), helical spring (41) engages herein. Rear chamber is provided in protecgulum (13), accommodates advance locating part (14), the cylinder that advance locating part (14) rear portion passes through major diameter Axis (17) is connected with each other with protecgulum (13), the cylindrical shaft (17) protection helical spring (17a).

By positive bottom (15a) with dimply cylindrical shaft, advance control button (15) is arranged on advance locating part (14) front.The locking press button (16) of advance locating part (14) is positioned at the left side of protecgulum (13), in advance control button (15) after being actuated to Positioning collection more small sample, which is responsible for advance locating part (14) being discharged into most initial position It puts.For the start button (19) of cover closing lock (18) positioned at the right side of protecgulum (13), cover closing locks (18) positioned at protecgulum (13) rear portion.

Chamber is provided on the left of rear cover (39), chamber is the rectangle for having round edge, accommodates the side for leading to center with circular channel Trigger (35), rear cover (39) right side have the safety lock button (37) for the cross bar for stretching to front surface, with cylindrical locking Axis (38) intersects, and is tilted in first quartile, and lock shaft (38) is vertically equipped with cylindrical pin (38b), with starting bar (38c) phase It connects.Prismatic support element (40) with round edge is fixed on the lower bottom part of lid (39), helps equipment operation.

Trigger is arranged on by trigger position by prismatic handle (23) of the lower edge for round edge, there is appearance in the lower surface of handle It receives and the chamber of fixed traction handle (23a), the tow handle (23a) is the round edge that carries of rectangle, rear portion has functional configurations. The protrusion that hand (23) upper surface is provided with triangle is used for release lever (27), and lever (27) is parallel to Forward by spring (28) Dynamic, the function of spring (28) is that rear carrier (22) is made to be maintained at correct distance.

It should be emphasized that some, such as：The handle (44) that the rear portion of rear cover (43) is set in the form of lever can also be used for manufacture and use In the triggering equipment of biopsy (2)；It is rectangle, and cavity is extended in the vertical direction across cavity causes the lever of the inside (50) can be with displacement, so as to Mobility Center axis (49), the entire internal mechanism of central shaft (49) traction drive is to setting is set, then It is locked by lever (32), system is provided with safety lock (45) at the rear portion of rear cover.

Lower handle (51) may also be arranged in triggering equipment (2), can be moved in the transverse opening of structure case (11), The structure case (11) is provided with cavity so that the finger of user can place wherein, driving internal mechanism to set setting, Then it is locked by lever (32).

What is certain is that when the present invention is implemented, may to specifically constructing and shape details are modified, but It is not interfere with basic principle, basic principle of the invention is distinctly recited in claim elements, it will thus be appreciated that Used term is unrestricted.

Therefore, this specification is the concept of an innovation, it is proposed that constructive and functional feature, as being carried out What analysis and shown attached drawing can prove that.

It is provided the advantage that by it, due to it is characterized in that really innovation, meets this field innovation and own with Promethean It is required that this has gathered the condition needed for patent for invention.

Claims

1. the configuration applied to the biopsy device with the reusable trigger for disposable needle is related to for histology biopsy Device, it is characterised in that：The reusable trigger (2) is provided, is set by one-shot, dual-stage collection is used for The soft tissue sample of biopsy is made of horizontal rectangular prismatic structure case (11), has a cup, cup before structure case (11) With pivot opening lid (12), preceding carrier (21) and rear carrier (22), preceding carrier (21) and rear carrier (22) are installed in cup Arranged in sequence, in guide rail (11a), guide rail (11a) is arranged on the side wall of cup, and preceding carrier (21) is rectangular prism Shape has rectangular cam (21c) to be arranged in guide rail (11a) in its side, and preceding carrier (21) passes through cylindrical shaft (25) and rear bearing Body (22) is connected with each other, which has proportional diameter, across the channel along preceding carrier (21) longitudinal direction, The helical spring (26) of carrier (22), rear carrier (22) have the hole that longitudinal direction carries round thread section, are used for after protection driving Fixed cylinder shape axis (25)；Preceding carrier (21), which provides, to be used to accommodate helical spring (41) there are one chamber, in setting trigger (2) Afterwards, which stores the inside portion mechanism of potential elastic dynamic and provides thrust, before the critical piece of internal mechanism is Carrier (21), rear carrier (22) and the needle (1) for being coupled to preceding carrier (21) upper surface, there are two pins for preceding carrier (21) offer (21a), diagonal to set, installation main cylinder (2) on pin (21a)；Helical spring (41) driving mechanism is against protecgulum (13) with progress Program necessary to biopsy procedure, until preceding carrier (21) front surface contact advance locating part (14)；Protecgulum (13) is provided with circle Shape horizontal axis (20) allows helical spring (41) to engage herein；Protecgulum (13) is provided with rear chamber, accommodates advance locating part (14), advances Locating part (14) rear portion is connected with each other by the cylindrical shaft (17) of major diameter with protecgulum (13), the cylindrical shaft (17) protection spiral shell Revolve spring (17a)；By positive bottom (15a) with dimply cylindrical shaft, advance control button (15) is arranged on advance limiting The front of part (14)；The advance locating part determines the size of fragment extracted in biopsy；In order to return to previous position, locking press button (16) it is set to the left side of protecgulum (13)；Start button (19) is responsible for relief cap (18) positioned at the right side of protecgulum (13) Closing lock, lid (18) closing lock positioned at protecgulum (13) rear portion；Rectangular cavity with round edge is provided on the left of rear cover (39), For accommodating the side trigger (35) for leading to center with circular channel, have on the right side of rear cover (39) and stretch to front surface with cross bar Safety lock button (37) intersects with cylindrical lock shaft (38), and is tilted in first quartile, and lock shaft (38) is vertically set There is cylindrical pin (38b), be connected with each other with starting bar (38c)；Lower bottom part in lid (39) has the prismatic support element of round edge (40), equipment operation is helped；Trigger is arranged on by trigger position by cylindrical grip (23) of the lower edge for round edge, in handle There is the chamber for accommodating simultaneously fixed traction handle (23a) in hand (23) lower surface, which is the rectangle with round edge, after Portion has functional configurations；The upper surface of handle (23) is provided with the protrusion of triangle, so as to release lever (27), after keeping The distance of carrier (22), after lever (27) unlock, (8) are fastened in the rotation that main cylinder (2) is coupled to due to starting with a bolt or latch, in the vertical of needle (1) Rotary motion is generated at the beginning and end of movement；The main cylinder (2) is driven by rear carrier (22), and rear carrier (22) Forward is straight Carrier (21) before to contact, after being discharged fixed to the helical spring (41) on preceding carrier (21), preceding carrier (21) is also moved；Rotation Threadingly cylinder (6) slides stopcock (8), and rotary motion is generated around the longitudinal axis.

2. according to claim 1 be applied to matching for the biopsy device with the reusable trigger for disposable needle It puts, which is characterized in that including the disposable needle, be exclusively used in the reusable trigger；Disposable needle is provided with casing group The length travel system of (inside and outside) and its rotary motion simultaneously, such rotary motion first start in casing to Forward Occur when dynamic, cut off tissue in order to penetrate；Casing (6a and 7a) is coaxially disposed with needle core (9a), and needle core (9a) is with conical points With the rectangular cross recess close to conical points to mitigate internal pressure, needle core (9a) is arranged on the positive needle core branch of rear cover (39) In support member (9), the rear cover (39) is fixed to structure case (11)；Inner sleeve (7a) provides that there are two opposite oblique close to forepart Chamber after the support of the mobile screw thread cylinder (4) of main cylinder (2) contact advance locating part (14), when helical spring (3) is pressurized, makes The bolt-lock for obtaining outer sleeve (6a) stretches into wherein；Inner sleeve (7a) causes different types of oblique angle according to different application situation； Trigger (33) before rectangular side trigger button (35) of the pressing with round edge or the cylinder with the U-bend song for correcting surface Afterwards, it can trigger for the trigger of release spring (41).