Lumbar puncture suite

Abstract

The utility model belongs to the field of clinical medicine, and particularly relates to a lumbar puncture suite which comprises an injector, a puncture needle and a positioning shell, one end of the injector is communicated with one end of the puncture needle, the positioning shell is arranged at the other end of the puncture needle, a positioning mechanism is arranged in an inner cavity of the positioning shell, the positioning mechanism comprises a limiting rod, and the limiting rod is arranged in the inner cavity of the positioning shell. The number of the limiting rods is four, and the four limiting rods are fixedly installed on the surface of the positioning shell. By arranging the positioning mechanism, auxiliary positioning can be conducted on the puncture needle, so that the stability of puncture treatment of the puncture needle is improved, by arranging a metal heat conduction pipe and an electric heating plate in cooperation, temperature control can be conducted on the puncture needle, and discomfort caused by the fact that the puncture needle pierces the body of a patient in winter is avoided; the lumbar puncture suite solves the problems that an existing lumbar puncture suite cannot conveniently position a puncture needle, the puncture effect can be affected by hand shaking of a doctor in the puncture process, and pain of a patient or other medical accidents are caused.

Description

Technical Field

[0001] The utility model relates to the field of clinical medicine, in particular to a lumbar puncture kit. Background Art

[0002] Lumbar puncture is a routine operation in clinical diagnosis and treatment, mainly used for obtaining cerebrospinal fluid for laboratory examination, cerebrospinal fluid pressure measurement, cerebrospinal fluid dynamics analysis, intrathecal injection, etc. At present, whether the puncture needle enters the lumbar subarachnoid space during lumbar puncture, and the measurement of cerebrospinal fluid pressure during lumbar puncture, mainly rely on the experience of clinicians, and the measurement of millimeter tube or cerebrospinal fluid drip rate. In addition, during the process of cerebrospinal fluid pressure measurement, the loss of cerebrospinal fluid is often excessive, which is not only easy to cause headaches after puncture, but also may cause serious complications such as brain herniation in severe cases.

[0003] When using a traditional lumbar puncture kit, the doctor needs to have sufficient experience to accurately insert the puncture needle into the puncture target site. During the puncture process, if the doctor's hand shakes, it will directly affect the inaccurate puncture site, causing pain to the patient or other medical accidents. Therefore, a lumbar puncture kit is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the existing technology and solve the problem that the existing lumbar puncture kit is inconvenient for positioning the puncture needle, resulting in the doctor's hand shaking affecting the puncture effect during the puncture process, thereby causing pain to the patient or other medical accidents, the utility model proposes a lumbar puncture kit.

[0005] The technical solution adopted by the utility model to solve the technical problem is: a lumbar puncture kit, comprising a syringe, a puncture needle and a positioning shell, one end of the syringe is connected to one end of the puncture needle, the positioning shell is arranged at the other end of the puncture needle, and the inner cavity of the positioning shell is provided with a positioning mechanism;

[0006] The positioning mechanism includes four limit rods, and the four limit rods are all fixedly mounted on the surface of the positioning shell. The surface of the limit rod is slidably connected to the limit bracket. The number of the limit brackets is four, and each two limit brackets are fixedly connected to a shift block on the side away from the positioning shell. One side of the shift block passes through the inner cavity of the positioning shell and is fixedly connected to a pressure block. One side of the pressure block is provided with an inclined block, one side of the inclined block contacts the surface of the pressure block, and the other side of the inclined block is fixedly connected to the positioning rod. One side of the positioning rod is provided with two tension springs, one end of the tension spring is fixedly connected to the surface of the positioning rod, and the other end of the tension spring is fixedly connected to the inner wall of the positioning shell, and the other side of the positioning rod is fixedly connected to a suction cup.

[0007] Preferably, the inner cavity of the positioning shell is fixedly provided with a metal heat-conducting pipe and two electric heating plates, the metal heat-conducting pipe is arranged on the inner side of the two electric heating plates, and the metal heat-conducting pipe is used in cooperation with the electric heating plates.

[0008] Preferably, the surface of each of the two electric heating plates is fixedly connected with a retaining block, and one side of the retaining block is fixedly connected with the inner wall of the positioning shell.

[0009] The electric heating plates can be fixed through the retaining blocks, so that the electric heating plates are prevented from falling off during use.

[0010] Preferably, one side of the positioning shell is fixedly connected with a guide sleeve, and the inner cavity of the guide sleeve is in communication with the inner cavity of the positioning shell.

[0011] Preferably, the surface of the positioning shell is rotationally connected with a sealing cover through an axle pin, the surface of the sealing cover is fixedly connected with a limiting frame, the surface of the limiting frame is slidably connected with a plug rod, and one side of the positioning shell is provided with a plug block used in cooperation with the plug rod.

[0012] The sealing cover, the limiting frame, the plug rod and the plug block are cooperated, on one hand, the suction cup can be protected, and on the other hand, the puncture needle can be positioned after the sealing cover is unfolded.

[0013] Preferably, one side of the limiting support is provided with a spring, the spring is sleeved on the surface of the limiting rod, one end of the spring is fixedly connected with the surface of the limiting rod, and the other end of the spring is fixedly connected with the surface of the limiting support.

[0014] Preferably, one side of the positioning rod is fixedly connected with two telescopic rods, the inner side of the telescopic rods is provided with a tension spring, and the telescopic ends of the telescopic rods are fixedly connected with the inner wall of the positioning shell.

[0015] The utility model discloses the beneficial effect lies in:

[0016] The positioning mechanism is arranged, the puncture needle can be positioned, the stability of puncture treatment of the puncture needle is improved, the metal heat-conducting pipe and the electric heating plate are cooperated, the temperature of the puncture needle can be controlled, the puncture needle is prevented from being used in winter, the patient is prevented from being caused to be uncomfortable when the puncture needle is stabbed into the patient's body, the existing lumbar puncture kit is not convenient for positioning the puncture needle, the doctor's hand shaking can influence puncture effect in the puncture process, and therefore the problem that the patient is caused to be in pain or other medical accidents occur is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or in the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 It is a schematic view of the overall structure of the present application.

[0019] Figure 2 It is a rear view of the structure of the syringe, the puncture needle and the positioning shell of the present application.

[0020] Figure 3 It is a sectional view of the structure of the positioning shell and the positioning mechanism of the present application.

[0021] Figure 4 It is a structure exploded view of the positioning mechanism, the metal heat-conducting pipe and the electric heating plate of the present application.

[0022] Figure 5 It is a rear view of the structure of the positioning mechanism of the present application.

[0023] Figure 6 It is a schematic view of the structure of the positioning shell and the sealing cover of the present application.

[0024] In the figure: 1, syringe; 2, puncture needle; 3, positioning shell; 4, positioning mechanism; 401, limiting rod; 402, limiting support; 403, push block; 404, pressing block; 405, inclined block; 406, positioning rod; 407, tension spring; 408, suction cup; 409, spring; 410, telescopic rod; 5, metal heat-conducting pipe; 6, electric heating plate; 7, retaining block; 8, guide sleeve; 9, sealing cover; 10, limiting frame; 11, insertion rod; 12, insertion block. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] The following will be described in detail with reference to the drawings in the embodiments of the present application. Figures 1-6 The present application will be described in further detail,

[0027] The embodiments of the present application disclose a lumbar puncture kit. With reference to Figure 1 , Figure 2 ,Figure 3 、 Figure 4 、 Figure 5 and Figure 6 A lumbar puncture kit, comprising a syringe 1, a puncture needle 2 and a positioning shell 3, one end of the syringe 1 is communicated with one end of the puncture needle 2, the positioning shell 3 is arranged at the other end of the puncture needle 2, and an inner cavity of the positioning shell 3 is provided with a positioning mechanism 4.

[0028] The positioning mechanism 4 comprises limiting rods 401, the number of the limiting rods 401 is four, the limiting rods 401 are all fixedly installed on the surface of the positioning shell 3, the surface of the limiting rod 401 is slidably connected with a limiting support 402, the number of the limiting support 402 is four, every two limiting supports 402 are all fixedly connected with a pressing block 403 away from one side of the positioning shell 3, one side of the pressing block 403 penetrates into the inner cavity of the positioning shell 3 and is fixedly connected with a pressing block 404, one side of the pressing block 404 is provided with an inclined block 405, one side of the inclined block 405 is in contact with the surface of the pressing block 404, the other side of the inclined block 405 is fixedly connected with a positioning rod 406, one side of the positioning rod 406 is provided with two tension springs 407, one end of the tension spring 407 is fixedly connected with the surface of the positioning rod 406, the other end of the tension spring 407 is fixedly connected with the inner wall of the positioning shell 3, and the other side of the positioning rod 406 is fixedly connected with a suction cup 408; through the positioning mechanism 4, the puncture needle 2 can be assisted in positioning, so that the stability of the puncture needle 2 in puncture treatment is improved.

[0029] Referring to Figure 1 、 Figure 3 and Figure 4 , the inner cavity of the positioning shell 3 is fixedly installed with a metal heat conducting pipe 5 and two electric heating plates 6, the metal heat conducting pipe 5 is arranged on the inner side of the two electric heating plates 6, and the metal heat conducting pipe 5 is used in cooperation with the electric heating plates 6; through the cooperation of the metal heat conducting pipe 5 and the electric heating plates 6, the puncture needle 2 can be temperature-controlled, so that the patient is not uncomfortable when the puncture needle 2 penetrates into the patient's body in winter.

[0030] Referring to Figure 4 , the surfaces of the two electric heating plates 6 are all fixedly connected with retaining blocks 7, one side of the retaining block 7 is fixedly connected with the inner wall of the positioning shell 3; through the retaining block 7, the electric heating plates 6 can be fixed, so that the electric heating plates 6 do not fall off during use.

[0031] Referring to Figure 2 , one side of the positioning shell 3 is fixedly connected with a guide sleeve 8, and the inner cavity of the guide sleeve 8 is communicated with the inner cavity of the positioning shell 3; through the guide sleeve 8, the puncture needle 2 can be positioned, so that the doctor's hand does not shake during puncture treatment, and the puncture effect is affected.

[0032] Referring to Figure 1 、 Figure 2 、 Figure 3 andFigure 6 The surface of the positioning shell 3 is rotationally connected with a sealing cover 9 through an axle pin, the surface of the sealing cover 9 is fixedly connected with a limiting support 10, the surface of the limiting support 10 is slidably connected with a plug rod 11, and one side of the positioning shell 3 is provided with a plug block 12 used in cooperation with the plug rod 11; by cooperation of the sealing cover 9, the limiting support 10, the plug rod 11 and the plug block 12, on one hand, the suction cup 408 can be protected, and on the other hand, after the sealing cover 9 is unfolded, the puncture needle 2 can be conveniently positioned.

[0033] With reference to Figure 5 One side of the limiting support 402 is provided with a spring 409, the spring 409 is sleeved on the surface of the limiting rod 401, one end of the spring 409 is fixedly connected with the surface of the limiting rod 401, and the other end of the spring 409 is fixedly connected with the surface of the limiting support 402; by arranging the spring 409, when the two push blocks 403 are oppositely pressed by medical staff, the position of the pressing block 404 can be adjusted, when the push blocks 403 are loosened, the push blocks 403 can be reset by the reaction force of the spring 409, so that the suction cup 408 moves out of the positioning shell 3 and is adsorbed on the surface of the skin of a patient, thereby positioning the puncture needle 2.

[0034] With reference to Figure 5 One side of the positioning rod 406 is fixedly connected with two telescopic rods 410, the telescopic rods 410 are arranged on the inner side of the tension spring 407, and the telescopic ends of the telescopic rods 410 are fixedly connected with the inner wall of the positioning shell 3; by arranging the telescopic rods 410, the stability of movement of the positioning rod 406 can be improved, and the position of the positioning rod 406 can be prevented from being deviated during use.

[0035] Working principle: in use, the doctor presses two dial blocks 403, two dial blocks 403 move in opposite directions, four limiting supports 402 and two pressing blocks 404 are moved, four limiting supports 402 stretch four springs 409 when moving, two pressing blocks 404 move away from the surface of the inclined block 405, and then the positioning rod 406 and the suction cup 408 are moved through the counterforce of the tension spring 407, when one side of the suction cup 408 is separated from the sealing cover 9, the doctor opens the sealing cover 9 and releases the dial block 403, at this time, the two pressing blocks 404 are moved in the opposite direction through the counterforce of the spring 409, the two inclined blocks 405 are extruded, the two positioning rods 406 are moved, the two positioning rods 406 move the two suction cups 408, when the suction cup 408 moves out of the inner cavity of the positioning shell 3, the doctor adsorbs the suction cup 408 on the surface of the patient's skin, and the positioning shell 3 can be positioned, then the puncture needle 2 is inserted into the inner cavity of the metal heat conducting pipe 5 through the guide sleeve 8, the puncture treatment of the patient's lumbar vertebrae can be completed, and the metal heat conducting pipe 5 is heated by the electric heating plate 6, the temperature of the puncture needle 2 can be controlled, the comfort of puncture treatment in winter is improved, after the puncture treatment is completed, the doctor moves the dial block 403 in opposite directions, the two suction cups 408 are stored in the inner cavity of the positioning shell 3, and the sealing cover 9 is closed, the protection of the suction cup 408 can be realized, thereby prolonging the service life.

[0036] The basic principle, main characteristics and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A lumbar puncture kit, characterized by: The utility model provides an injection device, which comprises a syringe (1), a puncture needle (2) and a positioning shell (3), one end of the syringe (1) is communicated with one end of the puncture needle (2), the other end of the puncture needle (2) is provided with the positioning shell (3), and the inner cavity of the positioning shell (3) is provided with a positioning mechanism (4). The positioning mechanism (4) comprises limiting rods (401), the number of the limiting rods (401) is four, the four limiting rods (401) are fixedly installed on the surface of the positioning shell (3), the surface of the limiting rod (401) is slidably connected with a limiting support (402), the number of the limiting support (402) is four, every two limiting supports (402) are fixedly connected with a dial block (403) away from one side of the positioning shell (3), one side of the dial block (403) penetrates the inner cavity of the positioning shell (3) and is fixedly connected with a pressure block (404), one side of the pressure block (404) is provided with an inclined block (405), one side of the inclined block (405) is in contact with the surface of the pressure block (404), the other side of the inclined block (405) is fixedly connected with a positioning rod (406), one side of the positioning rod (406) is provided with two tension springs (407), one end of the tension spring (407) is fixedly connected with the surface of the positioning rod (406), the other end of the tension spring (407) is fixedly connected with the inner wall of the positioning shell (3), the other side of the positioning rod (406) is fixedly connected with a suction disc (408).

2. A lumbar puncture kit according to claim 1, wherein: The inner cavity of the positioning shell (3) is fixedly installed with a metal heat conducting pipe (5) and two electric heating plates (6), the metal heat conducting pipe (5) is arranged on the inner side of the two electric heating plates (6), and the metal heat conducting pipe (5) is used in cooperation with the electric heating plate (6).

3. A lumbar puncture kit according to claim 2, wherein: The surface of the two electric heating plates (6) is fixedly connected with a retaining block (7), and one side of the retaining block (7) is fixedly connected with the inner wall of the positioning shell (3).

4. The lumbar puncture kit of claim 1, wherein: One side of the positioning shell (3) is fixedly connected with a guide sleeve (8), and the inner cavity of the guide sleeve (8) is communicated with the inner cavity of the positioning shell (3).

5. A lumbar puncture kit according to claim 1, wherein: The surface of the positioning shell (3) is rotatably connected with a sealing cover (9) through a shaft pin, the surface of the sealing cover (9) is fixedly connected with a limiting frame (10), the surface of the limiting frame (10) is slidably connected with a plug rod (11), and one side of the positioning shell (3) is provided with a plug block (12) used in cooperation with the plug rod (11).

6. A lumbar puncture kit according to claim 1, wherein: One side of the limiting support (402) is provided with a spring (409), the spring (409) is sleeved on the surface of the limiting rod (401), one end of the spring (409) is fixedly connected with the surface of the limiting rod (401), and the other end of the spring (409) is fixedly connected with the surface of the limiting support (402).

7. A lumbar puncture kit according to claim 1, wherein: One side of the positioning rod (406) is fixedly connected with two telescopic rods (410), the telescopic rod (410) is arranged on the inner side of the tension spring (407), and the telescopic end of the telescopic rod (410) is fixedly connected with the inner wall of the positioning shell (3).

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