CN2422945Y

CN2422945Y - Puncture needle for scavenging intractanial hematoma

Info

Publication number: CN2422945Y
Application number: CN 00233282
Authority: CN
Inventors: 赵荣
Original assignee: Dan Shijin; Zhao Wenke; Zhao Xinfu; Zheng Yunbin
Current assignee: Dan Shijin; Zhao Wenke; Zhao Xinfu; Zheng Yunbin
Priority date: 2000-05-23
Filing date: 2000-05-23
Publication date: 2001-03-14
Anticipated expiration: 2010-05-23

Abstract

The utility model relates to a puncturing needle for scavenging encephalic hematoma. A pipe opening on the front end of a needle body is provided with a wave-shaped arc gap or a slope opening, and the tail end of the pipe opening is connected with a pipe section of a connecting pipe joint with a backwards inclined and side outlet flow guide pipe and a liquid supply pipe. An end opening of the connecting pipe joint is matched with a sealing cap which is alternately and spirally connected and a cover cap with a hole. A series of core needles are one group of medicine needles which can be alternately inserted in the needle body to be matched and used. Each core needle is fixedly connected into an integral body by core pipes and a communicating pipe seat, wherein, the spiral pipe body is respectively formed the core pipes with a flat pipe head, a spherical pipe head, a conical pipe head, and a thread annular pipe head. Hematoma fragmentation, rotational flow, liquid supply, and diversion can be simultaneously carried out, and the puncturing needle for scavenging encephalic hematoma is maintained under normal encephalic pressure to be operated to achieve great micro-traumatic curative effect.

Description

Remove puncture needle for intractanial hematoma

This utility model relates to applied removing puncture needle for intractanial hematoma in a kind of medical apparatus and instruments, particularly minimally-invasive treatment.

The apparatus that is used for removing intracranial hematoma at existing minimally-invasive treatment, representative " intracranial hematoma pulverizing puncture needle " patent (ZL932044252.8), remain big defective: the needle body front end mouth of pipe is flat mouthful shape, be easy to by the shutoff of hematoma piece, the hematoma destructor of single structure is difficult to effectively the different lesions positions at the patient in clinical, hematoma form and implement corresponding treatment with the related situation of cerebral tissue, particularly because of due to its structure, can't guarantee to implement to pulverize in the hematoma art, but drain of synchronism stability ground and fluid infusion, so that cause cranium and press fluctuation big, adverse consequencess such as brain injury and hematoma clearance weak effect.

The purpose of this utility model is the drawback at above-mentioned prior art, innovative design goes out a kind of needle body of structure uniqueness and substitutes the serial core pin of adapted, but hematoma fragmentation, eddy flow fluid infusion and water conservancy diversion are also executed, be maintained and depressing operation near normal cranium, remove hematoma timely and effectively, for the patient benefits.

Task of the present utility model realizes according to following technical proposals:

This removing puncture needle for intractanial hematoma, include needle body and the assembly of serial core pin forms, its needle body lacks or groove for the front end mouth of pipe has wavy arc, the pipeline section of the mozzle that canting went out after tail end was connected to and is with and the pipe union of liquid supplementation pipe, the pipe union port is furnished with the block that substitutes the sealing cap that spins and mesopore is arranged, series core pin is one group and can substitutes the core pin that is inserted in needle body tube chamber adapted that said core pin is to have the flat of tap hole again respectively together by helical form pipe shaft and the outer socket helical fin shape pipe shaft of straight tube, ball and awl and the tube head of silk ring-type constitute the core pipe and connect its rear end and have the base of the side opening that is communicated with and the affixed part that is integral.That is: the core pipe is by self curling up the equidistant helical form pipe shaft that forms and self curling up the unequal distant screw shape pipe shaft that forms, and outer socket equidistant helical fin shape pipe shaft of straight tube and the outer socket unequal distant screw fin shape pipe shaft of straight tube, can constitute 16 kinds of basic core pipes with flat, ball and awl with a ring-type tube head respectively, different numbers that additional tube head is offered and various flows to tap hole, it is identical and the core pipe has other serial core pin to can be made into the base structure;

Core pin and needle body assembly, the tube head of its core pipe lean out needle body front end mouth of pipe 0.1-5mm;

The outflow hole count of being offered on the tube head of the core pipe of core pin is 1-6.

This utility model is compared with prior art, and its excellent part is apparent: the unique design of the needle body front end mouth of pipe, can prevent hematoma piece shutoff in the art effectively, and with the core injector head coupling that leans out the mouth of pipe and rotation, have the function of dispersion and fining hematoma piece concurrently; On the pipe union after set mozzle and the liquid supplementation pipe canting go out, be of value to and reduce that drain liquid is discharged and the flow resistance of bulking liquor input; It is different that the list of series core pin props up structure, can select for use at the form of different hematoma pieces, improves operative effect; Core pin and needle body cover are inserted and are constituted water conservancy diversion and the biphase passage that splits of fluid infusion, attached with core pin helical structure pipe shaft and several moulding of tube head and tap hole number with offer the different of position, but hematoma fragmentation, eddy flow fluid infusion and water conservancy diversion are also executed, be maintained depressing operation, alleviate brain injury near normal cranium; The overall structure assembly is reasonable, easy operating, making operation meet relevant international health care standard.

Description of drawings of the present utility model:

Fig. 1 is the cross-sectional schematic of needle body;

Fig. 2 is the cross-sectional schematic of block;

Fig. 3 selects the cross-sectional schematic of selecting five kinds of core pins in the serial core pin;

Fig. 4 is a kind of assembling structure cross-sectional schematic of this utility model.

Among the figure: pipeline section 1, pipe union 2, liquid supplementation pipe 3, lumen 4, mozzle 5, the mouth of pipe 6, block 7, mesopore 8, base 9, side opening 10, equidistant helical form pipe shaft 11, trapezoidal flat tube head 12, tap hole 13, progressive helical shape pipe shaft 14, spherical shape tube head 15, the equidistant helical fin shape of socket pipe shaft 16, flat rectangular shape tube head 17, socket progressive helical fin shape pipe shaft 18, coniform tube head 19, silk ring-type tube head 20.

This utility model will be described further in conjunction with the accompanying drawings and by embodiment:

This removing puncture needle for intractanial hematoma includes needle body and the assembly of serial core pin forms, and its needle body is to have wavy arc pipeline section 1 that lacks and the pipe union 2 that is secured to its tail end by a front end mouth of pipe 6 to be constituted as shown in Figure 1.Offer within the pipe union 2 with pipeline section 1 concentric join be communicated with among chamber 4, be equipped with liquid supplementation pipe 3 and the mozzle 5 that the hypsokinesis side goes out its outer branch again, thereby constitute the four-way structure, the port of its lumen 4 also is furnished with the sealing cap of the replaceable atresia that spins and the block 7 of band mesopore 8.As seen from Figure 2, mesopore 8 is opened in heart place among block 7 the circular capping.Series core pin is one group and can substitutes and be inserted in needle body and the core pin of adapted.Figure 3 shows that and select that to select five kinds of its something in commons of core pin be that the equal sealing-in in core pipe rear end has the base 9 that is attached thereto logical side opening 10, difference is the difference of core tubular construction, is respectively:

3-1 is flat core pin of equidistant serpentine pipe, and its core pipe is made of with trapezoidal flat tube head 12 equidistant helical form pipe shaft 14, and its tube head is provided with and is 60 ° of angles and 2 tap holes 13 of preceding finger;

3-2 is a unequal distant screw pipe bulb core pin, and its core pipe is made of progressive helical shape pipe shaft 14 and spherical shape tube head 15, and its tube head is provided with 6 tap holes 13 that are radial sensing;

3-3 is flat core pin of the equidistant spiral fin coil of straight tube socket, and its core pipe is made of the equidistant helical fin shape of socket pipe shaft 16 and flat rectangular shape tube head 17, offers on its tube head with pipe shaft to be vertical configuration 2 tap holes 13 of opposing sensing again;

3-4 is a straight tube socket progressive helical finned tube conehead core pin, and its core pipe is made of socket progressive helical fin shape pipe shaft 18 and coniform tube head 19, offers 1 tap hole 13 that points to forward on its tube head;

3-5 is the equidistant spiral fin coil silk of a straight tube socket ring core pin, and its core pipe is made of the annular silk of the equidistant helical fin shape of socket pipe shaft 16 and steel wire ring-type tube head 20, and its tube head is 2 tap holes 13 of shunting sensing mutually.

Core pin and needle body coupling, its tube head leans out the length of the needle body front end mouth of pipe 6 at 0.1-5mm, be suitable for liquid towards, semisolid, hard close form such as solid-state respectively, and be vertical configuration, the horizontal or removing that occupies the hematoma piece of multiple situations such as the thin slice of asking shape and distributing, group's shape with being plugged on the intracranial needle body.

Clinical practice summary: after patient's intracranial hematoma being found out, locate, confirmed, select corresponding needle body and adapted core pin assembly one for use by instruments such as CT machines.As shown in Figure 4, be the combination of flat core pin of the equidistant spiral fin coil of straight tube socket with needle body: the base 9 of this core pin places among the pipe union 2 of needle body in the chamber 4, stretch out to connect rotation in its tail end hole 8 among the block 7 that is rotatably connected in pipe union 2 port sealings, and side opening 10 is just relative with the mouth of pipe of liquid supplementation pipe 3; The equidistant rotating fins shape of socket pipe shaft 16 is with one heart and outstanding holding in the tube chamber that shape is placed through needle body pipeline section 1, the flat rectangular shape tube head 17 of front end leans out is with the scarce mouth of pipe of wavy arc 6 that 2mm is arranged, thereby constitute from external reservoir through liquid supplementation pipe 3, the straight tube intracavity of the equidistant helical fin pipe shaft 16 of side opening 10 and the socket eddy flow fluid infusion passage that 2 tap holes 13 of opposing sensing are constituted to the flat rectangular shape tube head 17, and from pipeline section 1 the two belt tube chamber that is constituted of the core pipe of core pin and overcoat through mozzle 5 to external drainage device, and constitute the spiral stream guidance passage by the equidistant helical fin pipe shaft 16 of socket of rotation.When this puncture needle inserts in the intracranial hematoma chamber from sphenotresia, when each UNICOM of, low speed turn, but the tap hole 13 eddy flow fluids of flat rectangular shape tube head 17 and with the mouth of pipe 6 the be complementary fragmentation of mechanical turnery hematoma, eddy flow fluid infusion and water conservancy diversion and execute, be maintained and depressing operation near normal cranium, thereby the simplification operative procedure makes it have more promptness, safety, seriality.In addition, at core needle tubing seat 9 and needle body lumen 4 and the end face apposition positions such as 7 of blocking a shot, can attachedly join medical sealing ring, in case system leak.

Claims

1. remove puncture needle for intractanial hematoma for one kind, it is characterized in that: needle body lacks or groove for the front end mouth of pipe has wavy arc, the pipeline section of the mozzle that canting went out after tail end was connected to and is with and the pipe union of liquid supplementation pipe, the pipe union port is furnished with the block that substitutes the sealing cap that spins and have mesopore, series core pin is one group and can substitutes the core pin that is inserted in needle body tube chamber adapted that said core pin is to have the flat of tap hole again respectively together by helical form pipe shaft and the outer socket helical fin shape pipe shaft of straight tube, ball, the core pipe of awl and silk ring-type tube head formations with connect its rear end and have the base of side opening of connection and affixed being integral.

2. according to the described removing puncture needle for intractanial hematoma of claim 1, it is characterized in that: said core pin and needle body, in assembly, the tube head of its core pipe leans out needle body front end mouth of pipe 0.1-5mm.

3. according to the described removing puncture needle for intractanial hematoma of claim 1, it is characterized in that: said core pin, the outflow hole count of being offered on the tube head of its core pipe are 1-6.