CN208017513U - A kind of hematology's marrow puncture needle - Google Patents

Abstract

The utility model discloses a kind of hematology's marrow puncture needles, including needle body, it is fixedly connected with handle at the top of the needle body, the surface of the needle body is arranged with limiting plate, and casing is arranged on the left of the needle body surface, and described sleeve pipe is arranged with bottom plate on the left of surface, front side and rear side on the left of the needle body surface offer pin hole, it is fixedly connected with syringe needle on the left of the needle body, connecting tube is communicated on the right side of needle body bottom, the bottom of connecting tube is communicated with liquid storage shell.The utility model is by being arranged being used cooperatively for needle body, connecting tube, limiting plate, casing, bottom plate, the first scale, pin hole, syringe needle, the second scale, liquid storage shell, briquetting, shell, handle, tension spring, stripper plate, negative pressure sac and through-hole, solve the problems, such as that existing hematology's marrow puncture needle person inconvenient to use uses, hematology's marrow puncture needle, have user-friendly advantage, improves the practicability of existing hematology's marrow puncture needle.

Description

A kind of hematology's marrow puncture needle

Technical field

The utility model is related to technical field of medical instrument, specially a kind of hematology's marrow puncture needle.

Background technology

Bone marrow puncture is to take a kind of common diagnostic techniques of bone marrow fluid, the scope of examination include cytology, protozoon and Several aspects such as bacteriology are suitable for various hemopathic diagnosis, antidiastole and follow up；The red blood cell of unknown cause, Leucocyte, platelet counts increase or reduce and morphological abnormalities；The Diagnosis and differential diaggnosis of unexplained fever can make marrow Culture, bone marrow smear look for parasite etc..

It needs to use marrow puncture needle when puncturing marrow, as Chinese patent discloses a kind of " blood Section's marrow puncture needle " (patent No.：CN201520829699.2), which includes puncturing needle tubing and casing, the puncture needle tubing It is located at the inside of casing, needle tubing is punctured and is connect with casing threads, the outside of casing is equipped with bottom plate, and the outside for puncturing needle tubing is also movable It is connected with limiting plate, the inside for puncturing needle tubing offers hollow cavity, and the left end for puncturing needle tubing is equipped with piercing needle, punctures on needle tubing Several pin holes are equipped with close to the position of piercing needle, the right end for puncturing needle tubing is equipped with needle tubing pedestal, the right side of the needle tubing pedestal Equipped with cross recess, the right part for puncturing needle tubing is additionally provided with the reservoir communicated with hollow cavity, and the reservoir is equipped with graduation mark, Negative pressure sac is additionally provided on reservoir, the utility model is simple in structure, easy to use, accurate positioning, and sampling is convenient, reduces operation Artificial difference reduces patient suffering, but the patent is during use, cannot provide negative pressure sac a protection well Measure be easy to cause the damage of negative pressure sac, to which the use to user brings great inconvenience.

Utility model content

The purpose of this utility model is to provide a kind of hematology's marrow puncture needle, have user-friendly excellent Point solves the problems, such as that existing hematology's marrow puncture needle person inconvenient to use uses.

To achieve the above object, the utility model provides the following technical solutions：A kind of hematology's marrow puncture needle, including needle Body is fixedly connected with handle at the top of the needle body, and the surface of the needle body is arranged with limiting plate, the left side on the needle body surface It is arranged with casing, bottom plate is arranged on the left of described sleeve pipe surface, the front side and rear side on the left of the needle body surface offer Pin hole is fixedly connected with syringe needle on the left of the needle body, connecting tube is communicated on the right side of the needle body bottom, the connecting tube Bottom is communicated with liquid storage shell, and shell is fixedly connected on the right side of the liquid storage shell, and the inner cavity of the shell is provided with negative pressure sac, institute The left side for stating negative pressure sac is connected to liquid storage shell, and stripper plate is both provided at the top and bottom of the negative pressure sac, and the stripper plate is remote Both sides from negative pressure sac side have been fixedly connected with tension spring, and the inner wall of the tension spring one end and shell far from stripper plate, which is fixed, to be connected It connects, the stripper plate is fixedly connected with briquetting at the center far from negative pressure sac side, the one end of the briquetting far from stripper plate is passed through It wears to the outside of shell.

Preferably, the top and bottom of the shell offer through-hole, and the through-hole is used cooperatively with briquetting.

Preferably, the bottom of the needle body front surface is provided with the first scale, and the front surface of the liquid storage shell is provided with Two scales.

Preferably, the quantity of the pin hole is several, and the surface of the needle body and the junction of casing are connected by screw thread It connects.

Preferably, the surface of the handle and the surface of briquetting are both provided with anti-skid chequer, the right side of the stripper plate and shell The inner wall of body is slidably connected, and is slidably connected on the right side of the left side of the stripper plate and liquid storage shell.

Compared with prior art, the beneficial effects of the utility model are as follows：

1, the utility model by be arranged needle body, connecting tube, limiting plate, casing, bottom plate, the first scale, pin hole, syringe needle, Second scale, liquid storage shell, briquetting, shell, handle, tension spring, stripper plate, negative pressure sac and through-hole are used cooperatively, and are solved existing Hematology's marrow puncture needle person inconvenient to use the problem of using, which has convenient for users to making With the advantages of, improve the practicability of existing hematology's marrow puncture needle, be worthy to be popularized.

2, the utility model facilitates briquetting to move up and down by setting through-hole, by the way that the first scale is arranged, convenient for users to The depth that needle body is inserted into is checked, by the way that the second scale is arranged, convenient for users to the number of liquid in liquid storage shell checked, by setting Set handle, the user-friendly puncture needle, by the way that anti-skid chequer is arranged, increase the hand of user and handle and briquetting it Between frictional force, by be arranged pin hole, facilitate liquid to enter the inner cavity of needle body, by be arranged syringe needle, facilitate needle body be inserted into patient Body in, by the way that liquid storage shell is arranged, plays the role of storing liquid, by the way that connecting tube is arranged, needle body and liquid storage shell facilitated to connect It is logical.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the fit structure schematic diagram of the utility model liquid storage shell and shell.

In figure：1 needle body, 2 connecting tubes, 3 limiting plates, 4 casings, 5 bottom plates, 6 first scales, 7 pin holes, 8 syringe needles, 9 second quarters Degree, 10 liquid storage shells, 11 briquettings, 12 shells, 13 handles, 14 tension springs, 15 stripper plates, 16 negative pressure sacs, 17 through-holes.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, a kind of hematology's marrow puncture needle, including needle body 1, the bottom of 1 front surface of needle body are provided with The front surface of one scale 6, liquid storage shell 10 is provided with the second scale 9, by the way that the first scale 6 is arranged, convenient for users to checking needle body 1 The depth being inserted into, by the way that the second scale 9 is arranged, convenient for users to check liquid in liquid storage shell 10 number, the top of needle body 1 It is fixedly connected with handle 13, the surface of handle 13 and the surface of briquetting 11 are both provided with anti-skid chequer, convenient by the way that handle 13 is arranged User uses the puncture needle, by the way that anti-skid chequer is arranged, increases rubbing between the hand of user and handle 13 and briquetting 11 Power is wiped, the right side of stripper plate 15 and the inner wall of shell 12 are slidably connected, and the left side of stripper plate 15 is slided with the right side of liquid storage shell 10 Connection, the surface of needle body 1 are arranged with limiting plate 3, casing 4 are arranged on the left of 1 surface of needle body, and casing is arranged on the left of 4 surface There is bottom plate 5, the front side and rear side on the left of 1 surface of needle body offer pin hole 7, by the way that pin hole 7 is arranged, liquid are facilitated to enter needle body The quantity of 1 inner cavity, pin hole 7 is several, and the surface and the junction of casing 4 of needle body 1 are connected through a screw thread, a left side for needle body 1 Side is fixedly connected with syringe needle 8, by the way that syringe needle 8 is arranged, facilitates needle body 1 to be inserted into the body of patient, the right side of 1 bottom of needle body is connected to There are connecting tube 2, the bottom of connecting tube 2 to be communicated with liquid storage shell 10, by the way that liquid storage shell 10 is arranged, plays the role of storing liquid, lead to Setting connecting tube 2 is crossed, needle body 1 is facilitated to be connected to liquid storage shell 10, the right side of liquid storage shell 10 is fixedly connected with shell 12, shell 12 Top and bottom offer through-hole 17, and through-hole 17 is used cooperatively with briquetting 11, by the way that through-hole 17 is arranged, facilitate about 11 briquetting Mobile, the inner cavity of shell 12 is provided with negative pressure sac 16, and the left side of negative pressure sac 16 is connected to liquid storage shell 10, the top of negative pressure sac 16 with Bottom is both provided with stripper plate 15, and both sides of the stripper plate 15 far from 16 side of negative pressure sac have been fixedly connected with tension spring 14, tension spring 14 One end far from stripper plate 15 is fixedly connected with the inner wall of shell 12, and stripper plate 15 is fixed at the center far from 16 side of negative pressure sac It is connected with briquetting 11, the one end of briquetting 11 far from stripper plate 15 is through to the outside of shell 12, by the way that needle body 1, connecting tube is arranged 2, limiting plate 3, casing 4, bottom plate 5, the first scale 6, pin hole 7, syringe needle 8, the second scale 9, liquid storage shell 10, briquetting 11, shell 12, Handle 13, tension spring 14, stripper plate 15, negative pressure sac 16 and through-hole 17 are used cooperatively, and solve existing hematology's bone marrow aspiration The problem of needle person inconvenient to use uses, which has user-friendly advantage, improves existing The practicability for having hematology's marrow puncture needle, is worthy to be popularized.

In use, user's Manual press briquetting 11, briquetting 11 drives stripper plate 15 to squeeze negative pressure sac 16, when crowded After pressure, user unclamps briquetting 11, and stripper plate 15 automatically resets under the pulling of tension spring 14 at this time.

In summary：Hematology's marrow puncture needle, by the way that needle body 1, connecting tube 2, limiting plate 3, casing 4, bottom plate is arranged 5, the first scale 6, pin hole 7, syringe needle 8, the second scale 9, liquid storage shell 10, briquetting 11, shell 12, handle 13, tension spring 14, stripper plate 15, negative pressure sac 16 and through-hole 17 are used cooperatively, and solve what existing hematology's marrow puncture needle person inconvenient to use used Problem.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of hematology's marrow puncture needle, including needle body（1）, it is characterised in that：The needle body（1）Top be fixedly connected with Handle（13）, the needle body（1）Surface be arranged with limiting plate（3）, the needle body（1）Casing is arranged on the left of surface（4）, Described sleeve pipe（4）Bottom plate is arranged on the left of surface（5）, the needle body（1）Front side and rear side on the left of surface offer needle Hole（7）, the needle body（1）Left side be fixedly connected with syringe needle（8）, the needle body（1）Connecting tube is communicated on the right side of bottom （2）, the connecting tube（2）Bottom be communicated with liquid storage shell（10）, the liquid storage shell（10）Right side be fixedly connected with shell （12）, the shell（12）Inner cavity be provided with negative pressure sac（16）, the negative pressure sac（16）Left side and liquid storage shell（10）Connection, The negative pressure sac（16）Top and bottom be both provided with stripper plate（15）, the stripper plate（15）Far from negative pressure sac（16）Side Both sides be fixedly connected with tension spring（14）, the tension spring（14）Far from stripper plate（15）One end and shell（12）Inner wall it is solid Fixed connection, the stripper plate（15）Far from negative pressure sac（16）It is fixedly connected with briquetting at the center of side（11）, the briquetting （11）Far from stripper plate（15）One end be through to shell（12）Outside.

2. a kind of hematology's marrow puncture needle according to claim 1, it is characterised in that：The shell（12）Top and Bottom offers through-hole（17）, the through-hole（17）With briquetting（11）It is used cooperatively.

3. a kind of hematology's marrow puncture needle according to claim 1, it is characterised in that：The needle body（1）Front surface Bottom is provided with the first scale（6）, the liquid storage shell（10）Front surface be provided with the second scale（9）.

4. a kind of hematology's marrow puncture needle according to claim 1, it is characterised in that：The pin hole（7）Quantity be Several, the needle body（1）Surface and casing（4）Junction be connected through a screw thread.

5. a kind of hematology's marrow puncture needle according to claim 1, it is characterised in that：The handle（13）Surface and Briquetting（11）Surface be both provided with anti-skid chequer, the stripper plate（15）Right side and shell（12）Inner wall be slidably connected, institute State stripper plate（15）Left side and liquid storage shell（10）Right side be slidably connected.