CN215874736U - Bone marrow puncture needle for hematology department - Google Patents

Abstract

The utility model relates to the technical field of medicine, in particular to a bone marrow puncture needle for hematology department, which drives a needle core to transversely slide in a needle body by the transverse sliding of a slide block in a connecting box, thereby the needle core can realize the puncture of the patient and the extraction of the needle core from the puncture position of the patient after the puncture is finished, the transverse sliding of the positioning block on the needle body drives the transmission pipe to transversely slide, so that the sucker transversely slides, further, the transverse distance between the sucker and the needle body can be adjusted according to the specific situation of the patient, and the sucker can firmly adsorb the nearby area of the puncture part of the patient by pumping out the air in the positioning block and the transmission pipe, and then make the sucking disc can support the nook closing member, through the support of sucking disc to the nook closing member to ensure that the nook closing member can insert the needle perpendicularly, and then guaranteed medical personnel to carry out the precision of puncture to the puncture position.

Description

Bone marrow puncture needle for hematology department

Technical Field

The utility model relates to the technical field of medicine, in particular to a bone marrow puncture needle for hematology department.

Background

Currently, bone marrow aspiration is a common diagnostic technique for collecting bone marrow fluid, and is also commonly used for blood cell morphology examination in clinic, hematopoietic stem cell collection, culture, cytogenetic analysis, pathogenic biology examination and the like.

However, most of the existing puncture needles are used by medical personnel to search for acupuncture points and puncture the acupuncture points, and due to uncertainty of manual operation, unstable taking may exist, so that the accuracy of puncturing the puncture position of a patient by the medical personnel cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hematology bone marrow puncture needle capable of improving the precision of a puncture part.

In order to achieve the aim, the utility model provides a bone marrow puncture needle for hematology department, which comprises a needle body, a needle core and a mounting component; the needle core is connected with the needle body in a sliding way and is positioned at the inner side of the needle body; the mounting assembly comprises a positioning block, a connecting component, a liquid storage component and an executing component, the positioning block is connected with the needle body in a sliding mode and located on the outer side of the needle body, the connecting component is located on one side, away from the positioning block, of the needle body, and the liquid storage component is fixedly connected with the needle body; the executing component comprises a transmission pipe, a sucker, a connecting box and a sliding block, the transmission pipe is fixedly connected with the positioning block and is positioned on one side, away from the needle body, of the positioning block, the sucker is fixedly connected with the transmission pipe and is positioned on one side, away from the positioning block, of the transmission pipe, the connecting box is fixedly connected with the needle body and is positioned on one side, away from the positioning block, of the needle body, and the sliding block is fixedly connected with the needle core, is slidably connected with the connecting box and is positioned on the inner side of the connecting box.

Through the sucking disc is right the support of nook closing member to ensure the nook closing member can insert the needle perpendicularly, and then has guaranteed that medical personnel carry out the precision of puncturing to the puncture position.

The connecting component comprises a supporting rod and a movable plate, the supporting rod is fixedly connected with the sliding block and is positioned on one side of the sliding block, which is far away from the needle core; the movable plate is fixedly connected with the supporting rod and is positioned on one side of the supporting rod, which is far away from the sliding block.

The movable plate is pushed to move transversely to drive the supporting rod to move transversely, so that the sliding block moves transversely in the connecting box, and the needle core can move transversely.

The connecting component further comprises a spring, one side of the spring is fixedly connected with the connecting box, the other side of the spring is fixedly connected with the sliding block, and the spring is located between the connecting box and the sliding block.

Through the self-recovery action of the spring, when the force applied to the sliding block disappears, the spring drives the sliding block to recover to the original position, and then the needle core recovers to the original position.

The liquid storage component comprises a connecting pipe and a liquid storage tank, the connecting pipe is detachably connected with the needle body and is positioned on one side of the needle body, which is far away from the needle core; the liquid storage tank is fixedly connected with the connecting pipe and is positioned on one side of the connecting pipe, which is far away from the needle body.

The bone marrow sample extracted by the needle body is transmitted into the liquid storage tank through the connecting pipe, so that the liquid storage tank can store the bone marrow sample.

The liquid storage component further comprises a negative pressure bag, and the negative pressure bag is fixedly connected with the liquid storage box and is positioned on one side, far away from the connecting pipe, of the liquid storage box.

The negative pressure bag is pressed, so that the connecting pipe can transfer the bone marrow sample extracted by the needle body into the liquid storage tank.

Wherein, the stock solution component still includes the scale label, the scale label with stock solution tank fixed connection to be located the outside of stock solution tank.

By arranging the scale label, the medical staff can observe the volume of the extracted bone marrow sample through the scale label.

The actuating component further comprises an air inlet pipe, and the air inlet pipe is fixedly connected with the positioning block and is positioned on one side, far away from the transmission pipe, of the positioning block.

The air inlet pipe is connected with the external air pump, so that the external air pump can extract the air in the positioning block and the transmission pipe during puncture, and the sucker can firmly adsorb the nearby area of the puncture part of the patient.

The execution component further comprises an air inlet plug, the air inlet plug is detachably connected with the air inlet pipe and is located on one side, far away from the positioning block, of the air inlet pipe.

The air inlet pipe is screwed through the air inlet plug, so that the air inlet pipe can be sealed by the air inlet plug.

The bone marrow puncture needle for hematology department of the utility model drives the needle core to transversely slide in the needle body through the transverse sliding of the slide block in the connecting box, so that the needle core can puncture a puncture part of a patient and pull out the needle core from the puncture part of the patient after the puncture is finished, drives the transmission pipe to transversely slide through the transverse sliding of the positioning block on the needle body, so that the sucker can transversely slide, further adjusts the transverse distance between the sucker and the needle body according to the specific situation of the patient, ensures that the sucker can firmly adsorb the nearby area of the puncture part of the patient by pumping out the air in the positioning block and the transmission pipe, further ensures that the sucker can support the needle core, supports the needle core through the sucker, and ensures that the needle core can vertically enter the needle, thereby ensuring the accuracy of the medical staff puncturing the puncture part.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a scale label provided by the utility model installed in a liquid storage tank.

Fig. 2 is a schematic connection diagram of the air inlet plug and the air inlet pipe provided by the utility model.

Fig. 3 is a schematic view of the connection between the movable plate and the support rod provided by the present invention.

Fig. 4 is a schematic view of the connection between the negative pressure bag and the liquid storage tank provided by the utility model.

Fig. 5 is an enlarged view of fig. 4 at a provided by the present invention.

In the figure: the device comprises a needle body 1, a needle core 2, a needle core 3, a mounting component 31, a positioning block 32, a connecting component 33, a liquid storage component 34, an executing component, a bone marrow puncture needle 100, a support rod 321, a movable plate 322, a spring 323, a connecting pipe 331, a liquid storage tank 332, a negative pressure bag 333, a scale label 334, a scale label 341, a transmission pipe 342, a suction cup 343, a connecting box 344, a sliding block 345, an air inlet pipe 346 and an air inlet plug 346.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 5, the present invention provides a bone marrow puncture needle 100 for hematology department, which comprises a needle body 1, a needle core 2 and a mounting assembly 3; the needle core 2 is connected with the needle body 1 in a sliding way and is positioned at the inner side of the needle body 1; the mounting assembly 3 comprises a positioning block 31, a connecting member 32, a liquid storage member 33 and an executing member 34, wherein the positioning block 31 is connected with the needle body 1 in a sliding manner and is positioned on the outer side of the needle body 1, the connecting member 32 is positioned on one side of the needle body 1 far away from the positioning block 31, and the liquid storage member 33 is fixedly connected with the needle body 1; the actuating member 34 includes a transmission tube 341, a suction cup 342, a connection box 343 and a slider 344, the transmission tube 341 is fixedly connected to the positioning block 31 and is located on one side of the positioning block 31 away from the needle body 1, the suction cup 342 is fixedly connected to the transmission tube 341 and is located on one side of the transmission tube 341 away from the positioning block 31, the connection box 343 is fixedly connected to the needle body 1 and is located on one side of the needle body 1 away from the positioning block 31, and the slider 344 is fixedly connected to the needle core 2 and is slidably connected to the connection box 343 and is located on the inner side of the connection box 343.

In this embodiment, the needle core 2 is transversely slidably connected to the needle body 1 and located inside the needle body 1, the positioning block 31 is transversely slidably connected to the needle body 1, the needle body 1 penetrates through the positioning block 31, the transfer tubes 341 are fixedly mounted on the positioning block 31, the number of the transfer tubes 341 is two, and the two transfer tubes are respectively located on the upper side and the lower side of the positioning block 31, the suction cups 342 are fixedly connected to the transfer tubes 341, the number of the suction cups 342 is equal to the number of the transfer tubes 341, and the positions of the transfer tubes 341 are in one-to-one correspondence, so that the suction cups 342 can firmly suck the vicinity of the puncture site of the patient, the connection box 343 is fixedly connected to the needle body 1, the inside of the connection box 343 is hollow, the slider 344 is fixedly connected to the needle core 2 and transversely slides in the connection box 343, so that the slider 344 slides laterally in the connecting box 343 to drive the needle core 2 to slide laterally, so that the needle core 2 can be punctured into the patient puncture site and the needle core 2 can be pulled out of the patient puncture site after the puncturing is completed by sliding the slider 344 laterally in the connecting box 343, the transfer tube 341 can slide laterally by sliding the positioning block 31 laterally on the needle body 1 to slide the suction cup 342 laterally, the lateral distance between the suction cup 342 and the needle body 1 can be adjusted according to the specific situation of the patient, and the air in the positioning block 31 and the transfer tube 341 can be pumped out, so that the suction cup 342 can firmly adsorb the area near the patient puncture site, and the suction cup 342 can support the needle core 2, the sucking disc 342 supports the stylet 2, so that the stylet 2 can be inserted vertically, and the accuracy of puncturing the puncture part by medical personnel is guaranteed.

Further, referring to fig. 1, fig. 2, fig. 3 and fig. 5, the connecting member 32 includes a supporting rod 321 and a movable plate 322, the supporting rod 321 is fixedly connected to the sliding block 344 and is located on a side of the sliding block 344 away from the stylet 2; the movable plate 322 is fixedly connected to the supporting rod 321 and is located on a side of the supporting rod 321 away from the sliding block 344.

Further, referring to fig. 5, the connecting member 32 further includes a spring 323, one side of the spring 323 is fixedly connected to the connecting box 343, the other side of the spring 323 is fixedly connected to the sliding block 344, and the spring 323 is located between the connecting box 343 and the sliding block 344.

In this embodiment, the supporting rod 321 is fixedly connected to the sliding block 344, the movable plate 322 is fixedly connected to the supporting rod 321, the supporting rod 321 is driven to move transversely by pushing the movable plate 322 to move transversely, so that the sliding block 344 moves transversely in the connecting box 343, thereby realizing the transverse movement of the stylet 2, one side of the spring 323 is fixedly connected with the connecting box 343, the other side of the spring 323 is fixedly connected with the sliding block 344, by the lateral movement of the slider 344 within the connection box 343, the spring 323 is compressed or relaxed, since the spring 323 has a self-restoring function, when the force applied to the slider 344 is removed, the spring 323 returns the slider 344 to the home position, thereby returning the core 2 to the home position.

Further, referring to fig. 1 to 4, the liquid storage component 33 includes a connection tube 331 and a liquid storage tank 332, the connection tube 331 is detachably connected to the needle body 1 and is located on a side of the needle body 1 away from the needle core 2; the liquid storage tank 332 is fixedly connected with the connecting pipe 331 and is located on one side of the connecting pipe 331 far away from the needle body 1.

Further, referring to fig. 1 to 4, the liquid storage component 33 further includes a negative pressure bag 333, and the negative pressure bag 333 is fixedly connected to the liquid storage tank 332 and is located at a side of the liquid storage tank 332 away from the connecting tube 331.

Further, referring to fig. 1 and 2, the liquid storage component 33 further includes a scale label 334, and the scale label 334 is fixedly connected to the liquid storage tank 332 and located outside the liquid storage tank 332.

In this embodiment, the connection tube 331 is connected to the needle body 1 by a screw thread, so that the connection tube 331 can be mounted on or dismounted from the needle body 1, the liquid storage tank 332 is fixedly connected to the connection tube 331, the liquid storage tank 332 is internally hollow, the negative pressure bag 333 is fixedly connected to the liquid storage tank 332, the negative pressure bag 333 is squeezed, so that the connection tube 331 can transmit the bone marrow sample extracted from the needle body 1 into the liquid storage tank 332, the liquid storage tank 332 can store the bone marrow sample, the scale label 334 is pasted on the liquid storage tank 332, and the liquid storage tank 332 is made of a transparent material, so that medical personnel can observe the volume of the extracted bone marrow sample through the scale label 334.

Further, referring to fig. 1 to 3, the actuating member 34 further includes an air inlet pipe 345, and the air inlet pipe 345 is fixedly connected to the positioning block 31 and is located at a side of the positioning block 31 away from the transmission pipe 341.

Further, referring to fig. 1 to 3, the actuating member 34 further includes an air inlet plug 346, and the air inlet plug 346 is detachably connected to the air inlet pipe 345 and is located on a side of the air inlet pipe 345 away from the positioning block 31.

In this embodiment, the air inlet pipe 345 is fixedly connected to the positioning block 31, and the air inlet pipe 345 is connected to an external air pump, so that the external air pump can draw air in the positioning block 31 and the transmission pipe 341 during puncturing so that the suction cup 342 can firmly suck the area near the puncturing position of the patient, and after puncturing is completed, the external air pump can transfer air into the positioning block 31 and the transmission pipe 341 so that the suction cup 342 can be removed from the area near the puncturing position of the patient, and the air inlet plug 346 is connected to the air inlet pipe 345 by a screw, and the air inlet plug 346 is screwed to the air inlet pipe 345, so that the air inlet pipe 345 can be sealed by the air inlet plug 346.

In the bone marrow puncture needle 100 for hematology department of the utility model, the slider 344 slides transversely in the connecting box 343 to drive the needle core 2 to slide transversely in the needle body 1, so that the needle core 2 can puncture a patient puncture site and the needle core 2 is pulled out of the patient puncture site after the puncture is finished, the positioning block 31 slides transversely on the needle body 1 to drive the transmission tube 341 to slide transversely, so that the suction cup 342 slides transversely, the transverse distance between the suction cup 342 and the needle body 1 can be adjusted according to the specific situation of the patient, the air in the positioning block 31 and the transmission tube 341 is pumped out, so that the suction cup 342 can firmly adsorb the area near the patient puncture site, the suction cup 342 can support the needle core 2, and the suction cup 342 can support the needle core 2, thereby ensuring that the needle core 2 can insert needle vertically, and further ensuring the accuracy of the puncture position by medical personnel.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.

Claims (8)

1. A bone marrow puncture needle for hematology is characterized by comprising a needle body, a needle core and a mounting component;

the needle core is connected with the needle body in a sliding way and is positioned at the inner side of the needle body;

the mounting assembly comprises a positioning block, a connecting component, a liquid storage component and an executing component, the positioning block is connected with the needle body in a sliding mode and located on the outer side of the needle body, the connecting component is located on one side, away from the positioning block, of the needle body, and the liquid storage component is fixedly connected with the needle body;

the executing component comprises a transmission pipe, a sucker, a connecting box and a sliding block, the transmission pipe is fixedly connected with the positioning block and is positioned on one side, away from the needle body, of the positioning block, the sucker is fixedly connected with the transmission pipe and is positioned on one side, away from the positioning block, of the transmission pipe, the connecting box is fixedly connected with the needle body and is positioned on one side, away from the positioning block, of the needle body, and the sliding block is fixedly connected with the needle core, is slidably connected with the connecting box and is positioned on the inner side of the connecting box.

2. The hematological bone marrow puncture needle of claim 1,

the connecting component comprises a supporting rod and a movable plate, the supporting rod is fixedly connected with the sliding block and is positioned on one side of the sliding block, which is far away from the needle core; the movable plate is fixedly connected with the supporting rod and is positioned on one side of the supporting rod, which is far away from the sliding block.

3. The hematological bone marrow puncture needle of claim 1,

the connecting component further comprises a spring, one side of the spring is fixedly connected with the connecting box, the other side of the spring is fixedly connected with the sliding block, and the spring is located between the connecting box and the sliding block.

4. The hematological bone marrow puncture needle of claim 1,

the liquid storage component comprises a connecting pipe and a liquid storage tank, the connecting pipe is detachably connected with the needle body and is positioned on one side of the needle body, which is far away from the needle core; the liquid storage tank is fixedly connected with the connecting pipe and is positioned on one side of the connecting pipe, which is far away from the needle body.

5. The hematological bone marrow puncture needle of claim 4,

the liquid storage component further comprises a negative pressure bag, and the negative pressure bag is fixedly connected with the liquid storage box and is positioned on one side, far away from the connecting pipe, of the liquid storage box.

6. The hematological bone marrow puncture needle of claim 4,

the liquid storage component further comprises a scale label, and the scale label is fixedly connected with the liquid storage box and is positioned on the outer side of the liquid storage box.

7. The hematological bone marrow puncture needle of claim 1,

the actuating component further comprises an air inlet pipe, and the air inlet pipe is fixedly connected with the positioning block and is positioned on one side, far away from the transmission pipe, of the positioning block.

8. The hematological bone marrow puncture needle of claim 7,

the execution component further comprises an air inlet plug, the air inlet plug is detachably connected with the air inlet pipe and is located on one side, far away from the positioning block, of the air inlet pipe.

Images