CN217049518U

CN217049518U - Biopsy tissue collecting cassette and biopsy tissue collector

Info

Publication number: CN217049518U
Application number: CN202220178691.4U
Authority: CN
Inventors: 郭毅军; 李朝卫
Original assignee: Chongqing Xishan Science and Technology Co Ltd
Current assignee: Chongqing Xishan Science and Technology Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-26
Anticipated expiration: 2032-01-24

Abstract

The utility model provides a biopsy tissue collection box and biopsy tissue collector belongs to medical instrument technical field. It has solved the unable problem that realizes rapid Assembly of current biopsy tissue collection box. Biopsy tissue collects box, including collecting the seat and can dismantle the collection storehouse of being connected with collecting the seat, collect the seat and be equipped with first through-hole, collect the storehouse and be equipped with the second through-hole with the coaxial setting of first through-hole, the preceding terminal surface of collecting the seat pastes with the rear end face of collecting the storehouse and leans on to be connected, wears to be equipped with the end cap in the first through-hole, the front end of end cap stretches into the second through-hole, and the end cap makes first through-hole with the second through-hole keeps coaxial, and the shutoff first through-hole and second through-hole. The biopsy tissue collector comprises a shell and a biopsy tissue collecting box, wherein the collecting seat is detachably connected with the shell in a sealing mode. The sealing connection is realized by adopting a close fit mode, the connection is convenient and reliable, and the quick assembly is easy to realize.

Description

Biopsy tissue collecting cassette and biopsy tissue collector

Technical Field

The utility model belongs to the technical field of medical instrument, a biopsy tissue collection box and biopsy tissue collector are related to.

Background

An atherectomy device is a medical instrument used to sample a patient's tissue, such as in breast biopsy, and a collector is typically provided at the rear of the atherectomy device in order to collect the biopsy tissue cut by the biopsy needle and buffer or transport it to a desired location.

A collecting bin which is used for receiving living tissues cut by a biopsy needle and has a filtering function is arranged in a shell of the existing biopsy needle, and a fixed seat connected with the collecting bin is detachably and hermetically connected with the shell through a plug. The plug comprises a columnar body, sealing parts respectively arranged at two ends of the columnar body, and a convex part for connection positioned on the peripheral surface of the columnar body, wherein a guide surface is arranged on the convex part. The fixing seat is provided with a through hole for the columnar body to pass through and a through groove for the protruding part to pass through, and two ends of the through hole are respectively provided with a sealing hole and a turning surface.

Through the bulge, through groove and revolve to face mainly used prevent that the end cap from deviating from in the via hole, connect admittedly reliably, but the structure is complicated, and processing is inconvenient, and when the installation, need the bulge to aim at through the groove accurately moreover, can't realize rapid Assembly, also be unfavorable for blind operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art, and provides a biopsy tissue collecting box capable of realizing rapid assembly and a biopsy tissue collector.

The purpose of the utility model can be realized by the following technical proposal:

box is collected to biopsy tissue, including collect the seat and with collect the seat and can dismantle the collection storehouse of connection, it is equipped with first through-hole to collect the seat, it is equipped with the second through-hole coaxial with first through-hole to collect the storehouse, the preceding terminal surface of collecting the seat pastes with the rear end face of collecting the storehouse and leans on and is connected, wear to be equipped with the end cap in the first through-hole, the front end of end cap stretches into the second through-hole, the end cap makes first through-hole with the second through-hole keeps coaxial, and the shutoff first through-hole and second through-hole.

The sealing connection is realized by adopting a close fit mode, the connection is convenient and reliable, and the rapid assembly is easy to realize.

In the biopsy tissue collecting box, a T-shaped sliding groove is arranged on the rear end surface, and a T-shaped sliding block part which is in sliding fit with the T-shaped sliding groove is arranged on the front end surface; or a T-shaped sliding groove is formed in the front end face, and a T-shaped sliding block portion which is in sliding fit with the T-shaped sliding groove is formed in the rear end face.

The T-shaped sliding groove and the T-shaped sliding block part are matched to limit the collecting seat and the collecting bin to move in the front-back direction, the collecting seat and the collecting bin are limited to rotate mutually, and the plug extending into the second through hole is matched to realize the stability of connection of the collecting seat and the collecting bin.

In the biopsy tissue collecting box, the first through hole is positioned on the T-shaped sliding block part, and the second through hole is positioned in the T-shaped sliding groove; or the first through hole is positioned in the T-shaped sliding groove, and the second through hole is positioned on the T-shaped sliding block part.

In the biopsy tissue collecting box, the T-shaped sliding block part is provided with a limiting step, the T-shaped sliding groove is provided with a limiting surface matched with the limiting step, and the first through hole and the second through hole are coaxial when the limiting surface is attached to the limiting step; or the T-shaped sliding groove is provided with a limiting step, the T-shaped sliding block part is provided with a limiting surface matched with the limiting step, and the first through hole and the second through hole are coaxial when the limiting surface is attached to the limiting step.

The limiting step and the limiting surface realize positioning for the assembly of the collecting seat and the collecting bin.

In the biopsy tissue collection box, the plug is tightly matched with the first through hole, and the plug is in clearance fit or tight fit with the second through hole. Through the tight fit, can realize the sealing connection of end cap and first through-hole, connect reliably. Or the plug is in locking connection with the first through hole through threads. Or a convex block is arranged on the side part of the plug, a guide groove is arranged on the side wall of the first through hole, a turning surface is arranged at the tail end of the guide groove, the convex block is attached to the turning surface after entering from the guide groove, the turning surface is spirally arranged, and the plug can be tightly matched with the first through hole under the action of the convex block and the turning surface when rotating.

In the biopsy tissue collecting box, the first through hole is a conical hole with a small front part and a large back part, and the plug is provided with a first conical surface matched with the conical hole.

The first conical surface is the outer surface of the plug, the first through hole of the conical hole can guide the plug to be inserted, meanwhile, the contact area of the plug and the first through hole is increased, and the stability of the plug and the first through hole in tight fit is improved.

In above-mentioned box is collected to biopsy tissue, end cap and second through-hole tight fit, the rear end of end cap is equipped with to support to lean on the portion, when end cap and second through-hole tight fit the support to lean on the portion to support and lean on the rear end of collecting the seat.

In the biopsy tissue collecting box, the second through hole is a conical hole with a small front part and a large rear part, and the plug is provided with a second conical surface matched with the conical hole.

The second conical surface is the surface of end cap, and the second through-hole for the circular conical bore can play the guide effect to inserting of end cap, increases the area of contact of end cap and second through-hole simultaneously, improves the stability when both close fits.

In the biopsy tissue collecting box, the collecting seat is provided with a limiting hole which is perpendicular to the axis of the first through hole, a limiting column is tightly matched in the limiting hole, the plug is provided with an annular limiting groove, and the inner end of the limiting column extends into the annular limiting groove.

The outer diameter of the inner end of the limiting column is equal to the width of the annular limiting groove, when the inner end of the limiting column extends into the annular limiting groove, the plug can be axially positioned, and the plug can be effectively prevented from being separated from the first through hole.

In the biopsy tissue collection box, the limiting hole is a conical hole with a large outer part and a small inner part, and the limiting column is provided with a third conical surface matched with the conical hole. The third conical surface is the outer surface of the limiting column and can be in tight fit with the limiting hole through the third conical surface.

A biopsy tissue collector comprises a shell and the biopsy tissue collecting box, wherein the collecting seat is detachably connected with the shell in a sealing mode.

In the biopsy tissue collector, a sealing ring is arranged between the collecting seat and the shell, an annular groove is arranged on the collecting seat, and the sealing ring is arranged in the annular groove.

Compared with the prior art, the utility model has the advantages of it is following:

the sealing connection is realized by adopting a close fit mode, the connection is convenient and reliable, and the quick assembly is easy to realize; the T-shaped sliding groove and the T-shaped sliding block part further improve the stability of connection between the collecting bin and the collecting seat; spacing post and annular spacing groove can prevent effectively that the end cap from deviating from in first through-hole and the second through-hole, have further improved the stability of connecting.

Drawings

Fig. 1 is a sectional view of a collecting seat and a collecting chamber provided in an embodiment.

Figure 2 is a cross-sectional view of a housing provided in accordance with one embodiment.

Fig. 3 is a schematic structural view of the collecting base provided by the present invention.

Fig. 4 is a schematic structural view of the collecting bin provided by the present invention.

Fig. 5 is a sectional view of the collecting seat and the collecting chamber provided in the second embodiment.

Fig. 6 is a sectional view of the collecting seat and the collecting chamber provided in the third embodiment.

Fig. 7 is an assembly schematic view of the collecting seat and the collecting bin provided by the third embodiment.

In the figure, 1, a housing; 2. a collecting base; 20. a front end face; 21. a first through hole; 22. a T-shaped slider portion; 23. a limiting step; 24. a limiting hole; 25. an annular groove; 3. a collecting bin; 30. a rear end face; 31. a second through hole; 32. a T-shaped chute; 33. a limiting surface; 4. a plug; 41. an abutting portion; 42. an annular limiting groove; 5. a limiting post; 6. and (5) sealing rings.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

The biopsy tissue collector shown in fig. 1 and 2 comprises a housing 1 having an inner cavity, an inlet is provided at a front end of the housing 1 (a lower end of the housing 1 in fig. 2), an outlet is provided at a rear end of the housing 1 (an upper end of the housing 1 in fig. 2), and a biopsy tissue collecting cassette is provided in the housing 1. The biopsy tissue collecting box comprises a collecting seat 2 detachably and hermetically connected with a shell 1, as shown in fig. 1, a collecting bin 3 with a containing cavity is connected with the front end of the collecting seat 2 (the lower end of the collecting seat 2 in fig. 1), and the front end of the collecting bin 3 (the lower end of the collecting bin 3 in fig. 1) is provided with an interface for connecting an inlet and the containing cavity.

In order to enable a sealed connection of collecting base 2 to housing 1, as shown in fig. 1, a sealing ring 6 is provided on collecting base 2 to improve the sealing between housing 1 and collecting base 2. In order to axially limit the sealing ring 6, as shown in fig. 1, an annular groove 25 is provided on the collecting seat 2, and the sealing ring 6 is disposed in the annular groove 25.

The front face 20 of the collecting base 2 is arranged in contact with the rear face 30 of the collecting chamber 3. As shown in fig. 3, the front end face 20 is provided with a first through hole 21, and as shown in fig. 4, the rear end face 30 is provided with a second through hole 31 coaxial with the first through hole 21.

As shown in fig. 1, a plug 4 with a front end extending into the second through hole 31 is disposed in the first through hole 21, the plug 4 is tightly fitted with the second through hole 31, and the plug 4 is in clearance fit with the first through hole 21. In order to improve the stability of the connection, as shown in fig. 1, the rear end of the plug 4 is provided with an abutting portion 41, and the abutting portion 41 abuts against the rear end of the collecting seat 2 when the plug 4 is tightly fitted with the second through hole 31. The sealing connection is realized by adopting a close fit mode, the connection is convenient and reliable, and the quick assembly is easy to realize.

In order to achieve effective tight fit, as shown in fig. 1, the second through hole 31 is a conical hole with a small front part and a large back part, and the plug 4 has a second conical surface arranged to match with the conical hole. The second conical surface is the outer surface of the plug 4, the second through hole 31 which is a conical hole can guide the plug 4 to be inserted, meanwhile, the contact area between the plug 4 and the second through hole 31 is increased, and the stability of the plug 4 and the second through hole 31 in tight fit is improved.

In this embodiment, as shown in fig. 3 and 4, the rear end surface 30 is provided with a T-shaped sliding groove 32, and the front end surface 20 is provided with a T-shaped slider portion 22 slidably fitted with the T-shaped sliding groove 32. As shown in fig. 3, the first through hole 21 is located on the T-shaped slider portion 22, and as shown in fig. 4, the second through hole 31 is located in the T-shaped chute 32.

In some other embodiments, the front face 20 is provided with a T-shaped sliding slot 32, and the rear face 30 is provided with a T-shaped sliding block portion 22 slidably engaged with the T-shaped sliding slot 32. The first through hole 21 is located in the T-shaped chute 32, and the second through hole 31 is located on the T-shaped slider portion 22.

The T-shaped sliding groove 32 and the T-shaped sliding block part 22 are matched to limit the collection seat 2 and the collection bin 3 to move in the front-back direction, meanwhile, the collection seat 2 and the collection bin 3 are limited to rotate mutually, the plug 4 extending into the second through hole 31 is matched to achieve the stability of connection of the collection seat 2 and the collection bin 3.

The opening of the accommodating cavity faces upward, and the extending direction of the T-shaped chute 32 is the vertical direction, or the extending direction of the T-shaped chute 32 is the horizontal direction.

As shown in fig. 3, the T-shaped sliding block portion 22 is provided with a limiting step 23, as shown in fig. 4, one end of the T-shaped sliding groove 32 is provided with a limiting surface 33 which is matched with the limiting step 23, and when the limiting surface 33 is attached to the limiting step 23, the first through hole 21 and the second through hole 31 are coaxial.

The limiting step 23 and the limiting surface 33 realize the positioning of the assembly of the collecting seat 2 and the collecting bin 3.

When the T-shaped sliding block part 22 is installed, the T-shaped sliding block part 22 is aligned to the T-shaped sliding groove 32, the T-shaped sliding block part 22 slides into the T-shaped sliding groove 32 until the limiting surface 33 is abutted against the limiting step 23, the first through hole 21 and the second through hole 31 are coaxial, and the front side surface is abutted against the rear side surface; then the plug 4 is inserted from back to front, so that the plug 4 is inserted into the first through hole 21 and the second through hole 31, when the plug 4 is tightly matched with the second through hole 31, the abutting part 41 abuts against the rear end of the collecting seat 2, and at the moment, the plug 4, the collecting seat 2 and the collecting bin 3 are fixedly connected into a whole; and finally, the plug 4, the collecting seat 2 and the collecting bin 3 which are fixedly connected together are arranged in the shell 1.

Example two

The structural principle of this embodiment is basically the same as that of the first embodiment, and the difference is that, as shown in fig. 5, the plug 4 is tightly fitted with the first through hole 21, and the plug 4 is tightly fitted with the second through hole 31, so that the plug 4 and the first through hole 21 can be hermetically connected, and the connection is reliable.

In this embodiment, the first through hole 21 is a conical hole with a small front part and a large rear part, and the plug 4 is provided with a first conical surface matched with the conical hole; the second through hole 31 is a conical hole with a small front part and a large back part, and the plug 4 is provided with a second conical surface matched with the conical hole.

The first conical surface is the outer surface of the plug 4, the first through hole 21 can guide the plug 4 to be inserted, meanwhile, the contact area of the plug 4 and the first through hole 21 is increased, and the stability of the plug 4 and the first through hole in tight fit is improved. The second conical surface is the outer surface of the plug 4, the second through hole 31 can guide the plug 4 to be inserted, meanwhile, the contact area between the plug 4 and the second through hole 31 is increased, and the stability of the plug 4 and the second through hole in tight fit is improved.

In some other embodiments, the plug 4 is a clearance fit with the second through hole 31.

EXAMPLE III

The structure principle of the present embodiment is substantially the same as that of the first embodiment or the second embodiment, and the difference is that, as shown in fig. 6 and fig. 7, a limiting hole 24 is formed on the collecting base 2 and is perpendicular to the axis of the first through hole 21, a limiting column 5 is tightly fitted in the limiting hole 24, an annular limiting groove 42 is formed on the plug 4, and the inner end of the limiting column 5 extends into the annular limiting groove 42.

The outer diameter of the inner end of the limiting column 5 is equal to the width of the annular limiting groove 42, and when the inner end of the limiting column 5 extends into the annular limiting groove 42, the plug 4 can be axially positioned, so that the plug 4 can be effectively prevented from being separated from the first through hole 21.

In this embodiment, as shown in fig. 7, the limiting hole 24 is a conical hole with a large outer part and a small inner part, the limiting column 5 is provided with a third conical surface matched with the conical hole, the third conical surface is an outer surface of the limiting column 5, and the third conical surface can be tightly matched with the limiting hole 24.

During installation, the T-shaped sliding block part 22 is aligned to the T-shaped sliding groove 32, the T-shaped sliding block part 22 slides into the T-shaped sliding groove 32 until the limiting surface 33 abuts against the limiting step 23, the first through hole 21 and the second through hole 31 are coaxial, and the front side surface abuts against the rear side surface; then inserting the plug 4 from back to front, so that the plug 4 is inserted into the first through hole 21 and the second through hole 31, when the plug 4 is tightly matched with the second through hole 31, the abutting part 41 abuts against the rear end of the collecting seat 2, at the moment, the plug 4, the collecting seat 2 and the collecting bin 3 are fixedly connected into a whole, and meanwhile, the inner end of the limiting hole 24 corresponds to the annular limiting groove 42; then the limiting column 5 is inserted into the limiting hole 24, the inner end of the limiting column 5 is inserted into the annular limiting groove 42, and finally the plug 4, the collecting seat 2 and the collecting bin 3 which are fixedly connected together are installed into the shell 1.

Example four

The structure principle of this embodiment is basically the same as that of the first or second embodiment, and the difference lies in that the plug is connected with the first through hole in a locking manner through threads.

EXAMPLE five

The structure principle of this embodiment is the same basically as the structure principle of embodiment one or two, and the difference lies in, sets up the lug at the lateral part of end cap, sets up the guide way at the lateral wall of first through-hole, and the end of guide way sets up the face of turning round, and the lug is followed the setting with turning round after getting into by the guide way, turns round the spiral setting of face, can make end cap and first through-hole tight fit under the effect of lug and the face of turning round when the end cap is rotatory.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a box is collected to biopsy tissue, a serial communication port, including collect the seat and with collect the collection storehouse that the seat can be dismantled and connect, it is equipped with first through-hole to collect the seat, it is equipped with the second through-hole coaxial with first through-hole to collect the storehouse, the preceding terminal surface of collecting the seat pastes with the rear end face of collecting the storehouse and leans on and is connected, wear to be equipped with the end cap in the first through-hole, the front end of end cap stretches into the second through-hole, the end cap makes first through-hole with the second through-hole keeps coaxial, and the shutoff first through-hole and second through-hole.

2. The biopsy tissue collection cassette according to claim 1, wherein the rear end surface is provided with a T-shaped sliding groove, and the front end surface is provided with a T-shaped slider portion slidably engaged with the T-shaped sliding groove; or a T-shaped sliding groove is formed in the front end face, and a T-shaped sliding block portion which is in sliding fit with the T-shaped sliding groove is formed in the rear end face.

3. The biopsy tissue collection cassette of claim 2, wherein the first through hole is located on a T-shaped slider portion and the second through hole is located within a T-shaped chute; or the first through hole is positioned in the T-shaped sliding groove, and the second through hole is positioned on the T-shaped sliding block part.

4. The biopsy tissue collection box according to claim 2 or 3, wherein the T-shaped sliding block part is provided with a limiting step, the T-shaped sliding groove is provided with a limiting surface matched with the limiting step, and the first through hole and the second through hole are coaxial when the limiting surface is attached to the limiting step; or the T-shaped sliding groove is provided with a limiting step, the T-shaped sliding block part is provided with a limiting surface matched with the limiting step, and the first through hole and the second through hole are coaxial when the limiting surface is attached to the limiting step.

5. The biopsy tissue collection cassette of claim 1, wherein the stopper is a close fit with the first through hole, and wherein the stopper is a clearance fit or a close fit with the second through hole.

6. The biopsy tissue collection cassette of claim 5, wherein the first through hole is a conical hole with a small front and a large rear, and the plug has a first conical surface disposed to fit the conical hole.

7. The biopsy tissue collection cassette of claim 1, wherein the plug is tightly fitted with the second through hole, and wherein the rear end of the plug is provided with an abutting portion which abuts against the rear end of the collection holder when the plug is tightly fitted with the second through hole.

8. The biopsy tissue collection cassette according to claim 6 or 7, wherein the second through hole is a conical hole with a small front part and a large rear part, and the blocking head is provided with a second conical surface matched with the conical hole.

9. The biopsy tissue collection box according to claim 1, wherein the collection base is provided with a limiting hole perpendicular to an axis of the first through hole, the limiting hole is internally tightly fitted with a limiting column, the stopper is provided with an annular limiting groove, and an inner end of the limiting column extends into the annular limiting groove.

10. The biopsy tissue collection cassette of claim 9, wherein the limiting hole is a conical hole with a larger outer portion and a smaller inner portion, and the limiting post has a third conical surface cooperating with the conical hole.

11. A biopsy tissue collector comprising a housing and a biopsy tissue collection cassette according to any of claims 1-10, wherein the collection holder is removably and sealingly connected to the housing.

12. The biopsy tissue collector according to claim 11 wherein a sealing ring is disposed between the collection holder and the housing, the collection holder having an annular groove formed therein, the sealing ring being disposed within the annular groove.