CN217245129U

CN217245129U - Intraocular fluid collecting device

Info

Publication number: CN217245129U
Application number: CN202121042989.4U
Authority: CN
Inventors: 田蓓; 严棽棽; 陈燕云
Original assignee: Beijing Tongren Hospital
Current assignee: Beijing Tongren Hospital
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-08-23
Anticipated expiration: 2031-05-14

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to intraocular fluid collection device. The device comprises a sampling mechanism and a collecting component, wherein the sampling mechanism comprises a sampling head which is suitable for sampling at a specific position of an eyeball; the collecting assembly comprises a driving piece, a shell and a collecting unit, wherein the shell is connected with the driving piece, the collecting unit is arranged on the shell, is communicated with the suction hole on the sampling mechanism and is suitable for sucking the intraocular fluid sample under the action of the driving piece; the sampling mechanism and the collection assembly are connected by a hose. When the sampling device is used, the sampling operation can be completed by starting the sampling mechanism and the collecting assembly, more preparation work is not needed, the operation of medical workers is greatly facilitated, the treatment time is saved, and the treatment efficiency is improved. Sampling mechanism passes through the hose connection with the collection subassembly, need not grip the collection subassembly in the hand, and the hand burden is little, through setting up the driving piece, accomplishes collection work independently moreover, further reduces the hand burden, uses more lightly.

Description

Intraocular fluid collecting device

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to intraocular fluid collection device.

Background

In the vitreous cutting operation, in order to ensure the safe operation and improve the operation efficiency, a vitreous body sample needs to be collected for pathological analysis. The current sample collection work is mainly completed through a Vitrectomy machine (Vittetomy machine), which is a special device for performing Vitrectomy, and has complex operation and high price, and if the sample collection work before the operation is completed only by the Vitrectomy machine, the treatment efficiency is reduced, and the difficulty of sampling work and the treatment cost of patients are increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides an intraocular fluid collection device to overcome with the sampling of current glass cutting machine, the treatment effeciency of existence is low, and the work degree of difficulty is big, and the defect that treatment cost is high.

The technical scheme of the utility model is that:

an intraocular fluid collection device comprising a sampling mechanism and a collection assembly, the sampling mechanism comprising a sampling head adapted to sample at a specific location of an eyeball; the collecting assembly comprises a driving piece, a shell and a collecting unit, wherein the shell is connected with the driving piece, the collecting unit is arranged on the shell, is communicated with the suction hole on the sampling mechanism and is suitable for sucking the intraocular fluid sample under the action of the driving piece; the sampling mechanism and the collecting component are connected through a hose.

Preferably, the collection unit comprises a first piston and a drip chamber, the first piston being provided in the drip chamber, the first piston being adapted to slide in the drip chamber under the suction of the drive member.

Preferably, the liquid collection chamber is cylindrical.

Preferably, the collection assembly further comprises an injection unit in communication with the suction port on the sampling mechanism adapted to inject a medium into the specific location to maintain intravitreal pressure after the collection assembly has been aspirated.

Preferably, the injection unit comprises a second piston and a storage chamber, the second piston being arranged in the storage chamber, the second piston being adapted to slide in the storage chamber under the action of the drive member.

Preferably, the storage cavity is arranged on one side of the liquid collecting cavity and is the same as the liquid collecting cavity in size.

Preferably, the intraocular fluid collecting device further comprises a partition plate connected to the case, the partition plate dividing the case into the storage chamber and the fluid collecting chamber.

Preferably, the collection unit and the injection unit are both provided on the drive member.

Preferably, the drive member is a micro vacuum pump.

Preferably, the sampling mechanism further comprises a guide wire, one end of the guide wire penetrates through the sampling head and is placed at the suction hole, and the guide wire is suitable for acting under the action of the driving piece to cut the vitreous body.

The technical scheme of the utility model has following advantage:

1. the intraocular fluid collecting device of the utility model comprises a sampling mechanism and a collecting component, wherein the sampling mechanism comprises a sampling head which is suitable for sampling at the specific position of the eyeball; the collecting assembly comprises a driving piece, a shell and a collecting unit, the shell is connected with the driving piece, the collecting unit is arranged on the shell and communicated with the suction hole in the sampling mechanism, the collecting assembly is suitable for sucking an intraocular fluid sample under the action of the driving piece, and the sampling mechanism is connected with the collecting assembly through a hose.

When the vitreous body sample is collected, the sampling head extends into a specific position of the vitreous body, the sampling mechanism and the collecting assembly are started, the sampling head cuts the vitreous body, the driving piece drives the collecting unit, the vitreous body sample is sucked through the suction hole, and the sampling of the vitreous body is completed. Compare in current sample mode through large-scale glass cutting machine, use the utility model discloses an intraocular fluid collection device accomplishes the sample of glass body sample, and its treatment efficiency is high, and the work degree of difficulty is little to and the treatment is with low costs, particularly, current large-scale glass cutting machine need do a lot of preparation works before using, if need connect various complicated pipelines, need inspect etc. to each item instrument index, and the utility model discloses a collection device, when using, start sampling mechanism and collection subassembly and can accomplish the sample operation, do not need more preparation works, greatly made things convenient for medical personnel's operation, saved treatment time, promoted treatment efficiency.

This kind of small and exquisite, portable intraocular fluid collection device has also enlarged the application scene of sample, compares in current large-scale glass cutting machine, can only install and use in specific indoor, the utility model discloses an intraocular fluid collection device does not receive the place restriction. And through using the utility model discloses an intraocular fluid collection device has reduced the use frequency to current large-scale glass cutting machine, also helps prolonging glass cutting machine's life when reducing patient treatment cost.

The utility model discloses an among the collection device, sampling mechanism and collection subassembly pass through the hose connection, the hand only need handheld sampling mechanism part can, need not grip the collection subassembly in the hand, the hand burden is little, and through setting up the driving piece, independently accomplish collection work moreover, further reduce the hand burden, the hand only need grip sampling mechanism can, use more lightly.

2. The utility model discloses an intraocular fluid collection device, collection subassembly still include the injection unit, and the injection unit communicates with the last suction hole of sampling mechanism, and it is suitable for to pour into the medium into specific position in order to maintain the internal pressure of vitreous after the collection subassembly attracts.

In the prior art, if micro sampling is carried out, injection of a medium is not needed to maintain the internal pressure of the vitreous body, and if the sampling amount is larger, injection of a medium, such as gas, is needed to maintain the internal pressure of the vitreous body, so that the collapse of the eyeball is prevented. The utility model discloses an intraocular fluid collection device through setting up the injection unit, can adapt to the sample of different degrees, in other words, the sample volume more or less can all be suitable for.

3. The utility model discloses an intraocular fluid collection device, the injection unit include the second piston and store the chamber, and the second piston is located and is stored the intracavity, and the second piston is suitable for the driving piece effect is sliding in storing the intracavity down, stores the chamber and establishes in album liquid chamber one side, and just the same with the size in album liquid chamber.

When the sampling device is used, the sampling mechanism and the collecting unit are started, and the glass body sample cut by the sampling mechanism enters the liquid collecting cavity under the suction of the first piston. After the sample is accomplished, the driving piece promotes the second piston, will store the gas injection specific position of intracavity, because it establishes to store the chamber collect liquid chamber one side, and the size is the same, eliminates the size influence when the medical personnel of being convenient for observe, only regards as the reference contrast with the amount of movement of first piston and second piston, gets a lot of samples promptly, need inject corresponding volume of medium into.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic top view of an intraocular fluid collection device according to the present invention;

FIG. 2 is a schematic structural view of the front view shown in FIG. 1;

FIG. 3 is a schematic structural view of a cross-sectional view at A-A of FIG. 1;

fig. 4 is another embodiment of the housing according to the present invention.

Description of reference numerals:

1-a sampling head; 2-sucking holes; 3-a shell; 4-a drive member; 5-a hose; 6-a first piston; 7-a liquid collecting cavity; 8-a second piston; 9-a storage chamber; 10-a separator; 11-a sampling mechanism; 12-a motor; 13-mounting a support; 14-connecting tube.

Detailed Description

The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The intraocular fluid collecting device of the present embodiment, as shown in fig. 1 to 3, comprises a sampling mechanism 11 and a collecting assembly, the sampling mechanism 11 comprising a sampling head 1, the sampling head 1 being adapted to sample at a specific location of an eyeball; the collecting assembly comprises a driving piece 4, a shell 3 and a collecting unit, the shell 3 is connected with the driving piece 4, the collecting unit is arranged on the shell 3 and is communicated with the suction hole 2 on the sampling mechanism 11, and the driving piece 4 is connected with the collecting unit through a connecting pipe 14; the sampling mechanism 11 and the collection assembly are connected by a hose 5. It should be noted that the driving member 4 used in the present embodiment is a micro vacuum pump.

When the vitreous body sample is collected, the sampling head 1 is extended into a specific position of the vitreous body, the sampling mechanism 11 and the collecting assembly are started, the sampling head 1 cuts the vitreous body, the driving part 4 drives the collecting unit, the vitreous body sample is sucked through the suction hole 2, and the sampling of the vitreous body is completed. Compared with the existing sampling mode through a large-scale glass cutting machine, the intraocular fluid collecting device of the embodiment is used for sampling the vitreous body sample, and has the advantages of high treatment efficiency, small working difficulty and low treatment cost. Particularly, a lot of preparation work need be done to current large-scale glass cutting machine before using, if need connect various complicated pipelines, need inspect each item instrument index etc. and the collection device of this embodiment, when using, start sampling mechanism 11 and collect the subassembly and can accomplish the sampling operation, do not need more preparation work, greatly made things convenient for medical personnel to operate, saved treatment time, promoted treatment effeciency.

The small and portable intraocular fluid collecting device also expands the application scene of sampling, and compared with the existing large-scale glass cutting machine, the intraocular fluid collecting device can only be installed and used in a specific room, and is not limited by places. And through using the intraocular fluid collection device of this embodiment, reduced the use frequency to current large-scale glass cutter, also helped prolonging glass cutter's life when reducing patient treatment cost.

In the collection device of this embodiment, 11 and the collection subassembly of sampling mechanism pass through the hose 5 connection, the hand only need handheld 11 parts of sampling mechanism can, need not grip the collection subassembly in the hand, the hand burden is little, and through setting up driving piece 4, independently accomplish collection work moreover, further reduce the hand burden, the hand only need grip 11 of sampling mechanism can, use more lightly.

In the intraocular fluid collection device of the present embodiment, the collection module further comprises an injection unit communicating with the suction hole 2 of the sampling mechanism 11 and adapted to inject a medium into a specific location to maintain the intravitreal pressure after suction by the collection module.

In the prior art, when micro sampling is performed, the injection of a medium is not needed to maintain the intravitreal pressure, and when the sampling amount is large, the injection of a medium, such as a gas, is needed to maintain the intravitreal pressure and prevent the collapse of the eyeball. The intraocular fluid collecting device of the present embodiment can accommodate different degrees of sampling by providing the injection unit, in other words, a sampling amount can be more or less applied.

The collecting unit comprises a first piston 6 and a liquid collecting cavity 7, the first piston 6 is arranged in the liquid collecting cavity 7, and the first piston 6 is suitable for sliding in the liquid collecting cavity 7 under the attraction of the driving piece 4; the injection unit comprises a second piston 8 and a storage cavity 9, the second piston 8 is arranged in the storage cavity 9, the second piston 8 is suitable for sliding in the storage cavity 9 under the action of the driving piece 4, and the storage cavity 9 is arranged on one side of the liquid collection cavity 7 and is the same as the liquid collection cavity 7 in size.

In use, the sampling mechanism 11 and the collection unit are activated, and the vitreous humor sample cut by the sampling mechanism 11 enters the liquid collection chamber 7 under the suction of the first piston 6. After the sample is accomplished, driving piece 4 promotes second piston 8, with the gas injection specific position in the storage chamber 9, because storage chamber 9 establishes collection liquid chamber 7 one side, and the size is the same, eliminates the size influence when the medical personnel of being convenient for observe, only regards as the reference contrast with the amount of movement of first piston 6 and second piston 8, gets a lot of samples promptly, need inject corresponding volume of medium into. It should be noted that the medium used in this embodiment is sterilized air.

Specifically, the liquid collection chamber 7 is cylindrical. The liquid collecting cavity 7 can be designed into other shapes according to actual requirements.

The collecting unit and the injection unit are both arranged on the driving member 4, and particularly, the collecting unit and the injection unit are arranged on the shell of the driving member 4, so that the whole collecting assembly is integrated, the use and the movement are convenient, and meanwhile, the shell of the driving member 4 also plays a role in fixedly mounting the collecting unit and the injection unit. As an alternative embodiment, the collection unit and the injection unit are detachably arranged on the drive member 4, facilitating subsequent detection of the sample, etc.

The intraocular fluid collecting device further comprises a partition plate 10, wherein the partition plate 10 is connected with the shell 3 through a mounting support 13, the partition plate 10 divides the shell 3 into the storage cavity 9 and the fluid collecting cavity 7, namely, the partition plate 10 divides the shell 3 into two parts; as a preferred embodiment, as shown in fig. 3, the second housing is provided in a cylindrical shape, and the cross-sectional profiles of the reservoir 9 and the liquid collecting chamber 7 are rounded rectangles when viewed in a cross-sectional view of the second housing, which is provided in consideration of the fact that the piston is more easily fitted to the inner wall of the rounded rectangle, and the height of the collecting device is reduced, making the device more compact. As an alternative embodiment, as shown in fig. 4, the mounting seat 13 may not be provided, and the housing may be engaged with the housing of the driving member, and the housing 3 may be flush with the edge of the housing of the driving member, so that the whole device has a more compact and beautiful appearance.

The sampling mechanism 11 in this embodiment further comprises a guide wire, one end of which passes through the sampling head 1 and is disposed at the suction hole 2, the guide wire being adapted to reciprocate in the sampling head 1 under the action of the driving member 4 to cut the vitreous body. It should be noted that, the power source for driving the motion of the guide wire is the motor 12, and the motor 12 drives the guide wire to move through the driving mechanism, wherein the driving mechanism is the prior art, which is not the point of the invention of the present application, and therefore, the description thereof is omitted here.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims

1. An intraocular fluid collection device, comprising:

a sampling mechanism (11) comprising a sampling head (1), the sampling head (1) being adapted to sample at a specific position of an eyeball;

the collection assembly comprises a driving piece (4), a shell (3) and a collection unit, wherein the shell (3) is connected with the driving piece (4), the collection unit is arranged on the shell (3), is communicated with a suction hole (2) on the sampling mechanism (11) and is suitable for sucking an intraocular fluid sample under the action of the driving piece (4);

the sampling mechanism (11) and the collection assembly are connected by a hose (5).

2. The intraocular fluid collection device of claim 1, wherein the collection unit comprises:

the liquid collecting device comprises a first piston (6) and a liquid collecting cavity (7), wherein the first piston (6) is arranged in the liquid collecting cavity (7), and the first piston (6) is suitable for sliding in the liquid collecting cavity (7) under the attraction of the driving piece (4).

3. The intraocular fluid collection device according to claim 2, wherein the liquid collecting chamber (7) is cylindrical.

4. The intraocular fluid collection device of claim 2 or 3, wherein the collection assembly further comprises an injection unit in communication with the suction hole (2) on the sampling mechanism (11) adapted to inject a medium into the specific location to maintain intravitreal pressure after collection assembly suction.

5. The intraocular fluid collection device of claim 4, wherein the infusion unit comprises:

a second piston (8) and a storage chamber (9), the second piston (8) being arranged in the storage chamber (9), the second piston (8) being adapted to slide in the storage chamber (9) under the action of the drive member (4).

6. The intraocular fluid collection device according to claim 5, wherein the storage chamber (9) is provided on the side of the liquid collecting chamber (7) and is the same size as the liquid collecting chamber (7).

7. The intraocular fluid collection device according to claim 5, further comprising a partition (10), the partition (10) being connected to the housing (3), the partition (10) dividing the housing (3) into the storage chamber (9) and the liquid collection chamber (7).

8. The intraocular fluid collection device according to claim 4, wherein the collection unit and the infusion unit are both provided on the actuation member (4).

9. The intraocular fluid collection device of claim 1, wherein the actuation member (4) is a micro vacuum pump.

10. The intraocular fluid collection device according to claim 1, wherein the sampling mechanism (11) further comprises a guide wire, one end of which passes through the sampling head (1) and is placed at the suction hole (2), the guide wire being adapted to act under the action of the driver (4) to cut the vitreous.