CN203539417U - Lumbar puncture drainage needle - Google Patents

Abstract

The utility model discloses a lumbar puncture drainage needle. The lumbar puncture drainage needle comprises a puncture needle and a needle shell, wherein the puncture needle is sleeved in the needle shell, the needle shell is in a tubular shape, the front end of the needle shell is opened and is an inclined surface, and the rear end of the needle shell is connected with a drainage tube; the puncture needle comprises a needle core, a needle head and a needle handle, the rear end of the needle core is connected with the needle handle, the front end of the needle core is provided with the needle head, and the needle head is an inclined surface of which an inclination angle is the same as that of the front-end inclined surface of the needle shell. The lumbar puncture drainage needle is characterized in that the needle shell is provided with a visual window. The lumbar puncture drainage needle disclosed by the utility model has the beneficial effects that by arranging the visual window on the needle shell, whether the needle head arrives at a subarachnoid space or not can be judged under the situation that the puncture needle is not completely pulled out of the needle shell, cerebrospinal fluid is prevented from spraying out when the puncture needle is completely pulled out of the needle shell, the phenomenon that the puncture needle cannot be accurately inserted in the needle shell by a doctor as the doctor is in mental tension due to the spraying of tissue fluid can be avoided, the operation time is saved, the operation risk is reduced, and the success rate and the safety of clinic treatment are increased.

Description

A kind of lumbar puncture drainage needle

Technical field

This utility model relates to medical apparatus and instruments, relates in particular to a kind of lumbar puncture drainage needle.

Background technology

Lumbar puncture drainage needle is wider in the application of the inside and outside section of nerve, mainly to diagnosis of intracranial inflammation (meningitis, encephalitis etc.), hemorrhagic apoplexy, intracranial tumor, parasitic disease and mensuration intracranial pressure, understand and have or not intracranial hypertension or attenuating, the kinetics of inspection cerebrospinal fluid etc. are significant.Puncture needle of the prior art comprises nook closing member and needle guard, the leading core and can insert sleeve pipe of puncture needle, and the sleeve pipe of puncture needle is provided with nook closing member, needle handle and syringe needle.When using after existing lancet puncture success, doctor only has by puncture needle is all extracted out from needle guard and could determine whether syringe needle has arrived and treat subarachnoid space, but such drawback is exactly, if cerebrospinal fluid is too high, will make cerebrospinal fluid ejection, occur that cerebrospinal fluid runs off too much, even brings out cerebral hernia.And when doctor thinks again puncture needle to be inserted can because of cerebrospinal fluid leak nervous, thereby puncture needle can not accurately be inserted in needle guard.

Utility model content

For above-mentioned problems of the prior art, this utility model aim to provide a kind of do not need nook closing member all to extract from pin shell can judge whether syringe needle enters the lumbar puncture drainage needle of subarachnoid space.

To achieve these goals, this utility model is taked following technical scheme:

A kind of lumbar puncture drainage needle, comprise puncture needle and pin shell, described Puncture needle sleeve is connected in pin shell, described pin shell is tubulose, and the front end of pin shell is opened and is an inclined-plane, and the rear end of pin shell is connected with drainage tube, described puncture needle comprises nook closing member, syringe needle and needle handle, the rear end of described nook closing member connects needle handle, and the front end of described nook closing member is syringe needle, and described syringe needle is the inclined plane identical with inclination angle, pin shell front end inclined-plane, inclination angle.Described pin shell is provided with visual window, can in the situation that not exclusively puncture needle being extracted to pin shell, can judge whether syringe needle arrives treat subarachnoid space by visual window.

The beneficial effects of the utility model are: by be provided with visual window on pin shell, can in the situation that not exclusively puncture needle being extracted to pin shell, can judge whether syringe needle arrives treats subarachnoid space, cerebrospinal fluid ejection while having avoided extracting puncture needle completely, thereby avoided cerebrospinal fluid to run off too much, or doctor can not accurately insert puncture needle in pin shell because cerebrospinal fluid ejection produces mental tension, and then saving operating time, reduced operation risk, improved success rate and the safety of clinical treatment.

Accompanying drawing explanation

Fig. 1 is this utility model pin shell structure schematic diagram

Fig. 2 is this utility model puncture needle structure schematic diagram

Fig. 3 is that Puncture needle sleeve is connected on this utility model structural representation in pin shell

Labelling in figure: 1-pin shell, 2-nook closing member, 3-drainage tube, 4-visual window, 5-needle handle, 6-syringe needle

The specific embodiment

For the ease of understanding, below in conjunction with accompanying drawing, by embodiment, the technical solution of the utility model is further described in detail:

A kind of cerebrospinal fluid puncturing drainage needle, comprise puncture needle and pin shell 1, described puncture needle comprises nook closing member 2, syringe needle 6 and needle handle 5, and the rear end of described nook closing member 2 connects needle handle 5, the front end of described nook closing member 2 is syringe needle 6, and described syringe needle 6 is the inclined plane identical with pin shell 1 inclination angle, front end inclined-plane, inclination angle.Described Puncture needle sleeve is connected in pin shell 1, described pin shell 1 is tubulose, the front end of pin shell 1 is opened and is an inclined-plane, the rear end of pin shell 1 is connected with drainage tube 3, described pin shell is provided with visual window 4, can in the situation that not exclusively puncture needle being extracted to pin shell, can judge whether syringe needle 6 arrives treat subarachnoid space by visual window 4.

Just illustrating or explaining technical solutions of the utility model of above-described embodiment, and should not be construed as the restriction to technical solutions of the utility model, obviously, those skilled in the art can carry out various modifications and variations and not depart from spirit and scope of the present utility model this utility model.If these are revised and within modification belongs to the scope of this utility model claim and equivalent technologies thereof, this utility model also comprises these modifications and modification interior.

Claims (1)

1. a lumbar puncture drainage needle, comprise puncture needle and pin shell, described Puncture needle sleeve is connected in pin shell, and described pin shell is tubulose, the front end of pin shell is opened and is an inclined-plane, the rear end of pin shell is connected with drainage tube, and described puncture needle comprises nook closing member, syringe needle and needle handle, and the rear end of described nook closing member connects needle handle, the front end of described nook closing member is syringe needle, described syringe needle is the inclined plane identical with inclination angle, pin shell front end inclined-plane, inclination angle, it is characterized in that, described pin shell is provided with visual window.

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