CN210185666U - Puncture trocar for western medicine department - Google Patents

Abstract

The utility model relates to the field of western medicine puncture equipment, in particular to a puncture trocar for western medicine department, which comprises a hand-held sleeve, wherein the outer side of the hand-held sleeve is sleeved with an anti-skid rubber ring, limit stops are symmetrically arranged at the left and right sides of the outer side of the hand-held sleeve, an outer sleeve needle tube is fixed at the inner side of the hand-held sleeve, an overflow liquid storage chamber is fixed at the left end of the hand-held sleeve, a fixed disk is fixed at the left side of the overflow liquid storage chamber, scale grooves which are uniformly distributed are arranged at the left side of the fixed disk, a rubber sealing ring, and rubber seal and actuating lever interference fit, actuating lever left side fixedly connected with knob, knob one side are fixed with the pointer, and actuating lever right-hand member threaded connection has the puncture needle, puncture needle left end fixedly connected with limit slider, and limit slider sliding connection is in spacing spout, the utility model provides a control puncture depth's that can be fine puncture trocar.

Description

Puncture trocar for western medicine department

Technical Field

The utility model relates to a western medicine puncture equipment field, concretely relates to western medicine department puncture trocar.

Background

In the known technical field, the puncture technology is widely applied to clinic, such as thoracocentesis, abdominal puncture, joint cavity puncture and the like. The existing trocar puncture needle consists of a needle core and a needle sleeve, wherein a cavity is formed in the needle sleeve, the front ends of the needle core and the needle sleeve are inclined conical surfaces, the diameter of the needle core is consistent with the inner diameter of the cavity of the needle sleeve, and the needle core penetrates through the cavity in the needle sleeve and is arranged in the needle sleeve. When the puncture needle is used for puncture, the puncture needle is slowly inserted after the puncture point is disinfected and local anesthesia is carried out, and when the resistance feeling is reduced, the puncture needle indicates that the puncture needle penetrates into a target cavity. At the moment, the pressure of the cavity is maintained, the puncture needle can be pulled out after a certain amount of liquid is guided out, and the puncture hole is closed by local pressing.

For example, a puncture trocar for western medicine department disclosed in chinese patent application No. CN201320794367.6, an outer sleeve is provided in a holding sleeve, a puncture needle is nested in the outer sleeve, a pull plug is provided at the tail of the puncture needle extending out of the outer sleeve, an annular alcohol sponge ring is provided between the front end of the holding sleeve and the outer sleeve, an overflow liquid storage chamber and a fixing ring are provided in sequence at the tail of the holding sleeve, the overflow liquid storage chamber is sleeved on the outer wall of the outer sleeve, an overflow hole communicated with the overflow liquid storage chamber is provided on the side wall of the outer sleeve, and a plurality of sealing rings are provided between the inner wall of the outer sleeve at the fixing ring and the tail end of the outer sleeve. The utility model discloses simple structure, in the operation, one hand is held and is held the sleeve, and the pull stopper is pressed to the other hand, and the piercing depth of needle is punctured in the control, and annular alcohol sponge circle can play good disinfection effect simultaneously, and the operation is high-efficient convenient, has practical value, but this puncture trocar does not have the fine control piercing depth of way.

To the problem, the utility model designs a western medicine department puncture trocar.

Disclosure of Invention

Not enough to prior art, the utility model provides a western medicine internal medicine puncture trocar solves above-mentioned problem as far as possible to a control puncture depth's that can be fine puncture trocar is provided.

The utility model discloses a following technical scheme realizes:

a puncture trocar for western medicine department comprises a handheld sleeve, wherein an anti-skid rubber ring is sleeved outside the handheld sleeve, limit stop blocks are symmetrically arranged on the left and right sides of the outer side of the handheld sleeve, an outer thimble tube is fixed on the inner side of the handheld sleeve, an overflow hole is formed in the left side of the outer thimble tube, a limit chute is formed in the inner side of the outer thimble tube, an overflow liquid storage chamber is fixed at the left end of the handheld sleeve, a fixed disc is fixed on the left side of the overflow liquid storage chamber, scale grooves which are uniformly distributed are formed in the left side of the fixed disc, a rubber sealing ring is embedded in the inner side of the fixed disc, a driving rod penetrates through the center of the rubber sealing ring, the rubber sealing ring is in interference fit with the driving rod, a knob is fixedly connected to the left side of the driving rod, a pointer is fixed on one side of the knob, the limiting sliding block is connected in the limiting sliding groove in a sliding mode, the puncture depth of the puncture needle can be accurately controlled by rotating the knob, and the purpose of accurate puncture is achieved.

Preferably, the handheld sleeve outside is equipped with the mounting groove, and this mounting groove left and right sides symmetry is provided with limit stop, be equipped with on the anti-skidding rubber circle with two limit stop matched with draw-in grooves, the anti-skidding rubber snare is on handheld sleeve, and the limit stop joint is in the draw-in groove, the emergence of the condition that prevents the anti-skidding rubber circle and skid that can be fine through the limit stop who sets up.

Preferably, the left end of the outer sleeve needle tube is fixedly connected with the left end of the overflow liquid storage chamber, and the overflow hole is communicated with the inner side of the overflow liquid storage chamber.

Preferably, the left side of the puncturing needle is provided with a thread groove, and the right end of the driving rod is provided with a driving thread which is in threaded connection with the thread groove.

Preferably, overflow liquid storage cavity lower extreme is provided with the drain pipe, and this drain pipe lower extreme block has the cock body, can be very convenient shift out the overflow liquid through the drain pipe.

The utility model has the advantages that: through being equipped with the thread groove on impaling the needle, actuating lever threaded connection impales the needle, shortens through rotating knob drive puncture needle extension to reach the purpose of puncture, the pointer that sets up simultaneously uses with evenly distributed's scale groove phase cooperation on the fixed disk, and the puncture depth of needle is impaled in the control that can be fine, reaches the purpose of accurate puncture.

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 these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the present invention;

in the figure: 1-hand sleeve, 2-limit stop, 3-antiskid rubber ring, 4-outer sleeve needle tube, 401-overflow hole, 402-limit chute, 5-overflow liquid storage chamber, 6-liquid outlet tube, 7-plug body, 8-fixed disk, 801-scale groove, 9-rubber sealing ring, 10-driving rod, 11-knob, 12-pointer, 13-puncture needle and 14-limit slider.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 belong to the protection scope of the present invention.

Referring to fig. 1-2, a puncture trocar for western medicine department comprises a handheld sleeve 1, an anti-slip rubber ring 3 is sleeved outside the handheld sleeve 1, limit stoppers 2 are symmetrically arranged on the left and right sides of the outside of the handheld sleeve 1, an outer trocar tube 4 is fixed on the inside of the handheld sleeve 1, an overflow hole 401 is arranged on the left side of the outer trocar tube 4, a limit chute 402 is arranged on the inside of the outer trocar tube 4, an overflow liquid storage chamber 5 is fixed on the left side of the handheld sleeve 1, a fixed disk 8 is fixed on the left side of the overflow liquid storage chamber 5, scale grooves 801 uniformly distributed are arranged on the left side of the fixed disk 8, a rubber seal ring 9 is embedded on the inside of the fixed disk 8, a driving rod 10 passes through the center of the rubber seal ring 9, the rubber seal ring 9 is in interference fit with the driving rod 10, a knob 11 is fixedly connected on the left side of the driving rod 10, a pointer 12 is fixed on one, the limit slider 14 is slidably connected in the limit chute 402.

Specifically, the 1 outside of handheld sleeve is equipped with the mounting groove, this mounting groove left and right sides symmetry is provided with limit stop 2, be equipped with on the anti-skidding rubber circle 3 with two limit stop 2 matched with draw-in grooves, 3 covers on handheld sleeve 1 of anti-skidding rubber circle, and 2 joints of limit stop are in the draw-in groove, 4 left ends of outer thimble pipe and 5 left end fixed connection of overflow liquid storage cavity, overflow hole 401 communicates with each other with 5 inboards of overflow liquid storage cavity, it is equipped with the thread groove to impale 13 left sides of needle, 10 right-hand members of actuating lever are equipped with the drive screw thread, this drive screw thread connection thread groove, 5 lower extremes of overflow liquid storage cavity are provided with drain pipe 6, 6 lower extreme blocks of this.

The utility model discloses in, when using the device, inject outer trocar tube 4 into the position of treating the puncture earlier, press knob 11 to the department of contacting with fixed disk 8, make puncture needle 13 needle point and outer trocar tube 4 needle point parallel and level, the degree of depth of puncturing as required this moment, slowly rotate knob 11, make puncture needle 13 reach the position of puncture and puncture, after the puncture is ended, draw knob 11 out, puncture needle 13 and rubber seal 9 also can be drawn out together this moment, overflow liquid can flow to overflow liquid storage chamber 5 through outer trocar tube 4 inner chamber again overflow hole 401 through this moment, when needs take out overflow liquid, only need pull out cock body 7, make overflow liquid through drain pipe 6 flow to the household utensils that hold in can, can be fine through the spacing slider 2 that sets up prevent that anti-skidding rubber circle 3 from sliding on handheld sleeve 1.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. A puncture trocar for western medicine department, which comprises a handheld sleeve (1), and is characterized in that: the anti-skidding rubber ring (3) is sleeved on the outer side of the handheld sleeve (1), limit stops (2) are symmetrically arranged on the outer side of the handheld sleeve (1) in a bilateral mode, an outer sleeve needle tube (4) is fixed on the inner side of the handheld sleeve (1), an overflow hole (401) is formed in the left side of the outer sleeve needle tube (4), a limit sliding chute (402) is formed in the inner side of the outer sleeve needle tube (4), an overflow liquid storage chamber (5) is fixed on the left end of the handheld sleeve (1), a fixed disc (8) is fixed on the left side of the overflow liquid storage chamber (5), scale grooves (801) which are uniformly distributed are formed in the left side of the fixed disc (8), a rubber sealing ring (9) is embedded into the inner side of the fixed disc (8), a driving rod (10) penetrates through the center of the rubber sealing ring (9), the rubber sealing ring (9) is in interference fit with the driving rod, the novel puncture needle is characterized in that a pointer (12) is fixed on one side of the knob (11), a puncture needle (13) is connected to the right end of the driving rod (10) in a threaded mode, a limiting sliding block (14) is fixedly connected to the left end of the puncture needle (13), and the limiting sliding block (14) is connected to the limiting sliding groove (402) in a sliding mode.

2. A western medical puncturing trocar according to claim 1, wherein: the anti-skidding rubber ring is characterized in that a mounting groove is formed in the outer side of the handheld sleeve (1), limit stop blocks (2) are symmetrically arranged on the left side and the right side of the mounting groove, clamping grooves matched with the two limit stop blocks (2) are formed in the anti-skidding rubber ring (3), the anti-skidding rubber ring (3) is sleeved on the handheld sleeve (1), and the limit stop blocks (2) are connected in the clamping grooves in a clamped mode.

3. A western medical puncturing trocar according to claim 1, wherein: the left end of the outer sleeve needle tube (4) is fixedly connected with the left end of the overflow liquid storage chamber (5), and the overflow hole (401) is communicated with the inner side of the overflow liquid storage chamber (5).

4. A western medical puncturing trocar according to claim 1, wherein: the left side of the puncturing needle (13) is provided with a thread groove, the right end of the driving rod (10) is provided with a driving thread, and the driving thread is in threaded connection with the thread groove.

5. A western medical puncturing trocar according to claim 1, wherein: the lower end of the overflow liquid storage cavity (5) is provided with a liquid outlet pipe (6), and the lower end of the liquid outlet pipe (6) is clamped with a plug body (7).

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