CN202397609U - Positioning guide pin for fixing foreign bodies in four limbs - Google Patents

Abstract

The utility model provides a positioning guide pin for fixing foreign bodies in four limbs. The positioning guide pin comprises a hollow pin; openings are formed on two sides of the front end of the pinpoint of the hollow pin; a distraction device is arranged at the front end of the pinpoint and is connected with a steel wire; and the steel wire passes through the hollow pin. The positioning guide pin for fixing foreign bodies in four limbs, which is provided by the utility model, can position foreign bodies in the four limbs of a human body accurately and conveniently so as to provide convenience for operations, reduce operation wounds and achieve the purpose of minimally invasive surgery, and is simple in structure and convenient to operate.

Description

A kind of location guide pin of fixing limbs foreign body

Technical field

This utility model relates to technical field of medical instruments, particularly a kind of location guide pin of fixing limbs foreign body.

Background technology

In the prior art,, therefore cause operation to take out difficulty and less patient suffering to the subcutaneous intravital foreign body location difficulty of body that waits.

The utility model content

This utility model provides a kind of location guide pin of fixing limbs foreign body, can accurately and easily position the intravital foreign body of body through the guiding of B ultrasonic noinvasive.

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

A kind of location guide pin of fixing limbs foreign body, it comprises: hollow needle, the both sides of the front end of the needle point of said hollow needle are provided with opening, and the front end of said needle point also is equipped with a dilator, is connected with steel wire on the said dilator, and said steel wire passes said hollow needle.

Preferably, the location guide pin of said fixing limbs foreign body also comprises metallic pin and trocar sheath, and wherein, said hollow needle is sleeved in the said trocar sheath, and said metallic pin also is sleeved in the said trocar sheath.

Preferably, said dilator is spherosome or cone.

Through implementing above technical scheme, have following technique effect: the location guide pin of the fixing limbs foreign body that this utility model provides can accurately and easily position the intravital foreign body of body, with convenient operation; Reduce operation wound; Reach the Minimally Invasive Surgery purpose, and simple in structure, easy to operate.

Description of drawings

The structural representation of the location guide pin of the fixing limbs foreign body that Fig. 1 provides for this utility model;

The structural representation of the metallic pin that Fig. 2 provides for this utility model;

The structural representation of the trocar sheath that Fig. 3 provides for this utility model.

The specific embodiment

In order better to understand the technical scheme of this utility model, describe the embodiment that this utility model provides in detail below in conjunction with accompanying drawing.

This utility model embodiment provides a kind of location guide pin of fixing limbs foreign body; As shown in Figure 1, the location guide pin of this fixing limbs foreign body comprises: hollow needle 101, and the both sides of the front end of the needle point of said hollow needle 101 are provided with opening 102; The front end of said needle point also is equipped with a dilator 103; Be connected with steel wire 104 on the said dilator 103, said steel wire 104 passes said hollow needle 101, and exposes from the rear end of this hollow needle 101.This dilator 103 is used under the tension of steel wire 104 front end of said needle point is strutted from this opening 102, and preferably, said dilator 103 is spherosome or cone.

In addition, in other embodiment, as shown in Figures 2 and 3; The location guide pin of this fixing limbs foreign body also comprises the metallic pin 105 and trocarsheath 106 that matches; Wherein, said hollow needle 101 is sleeved in the saidtrocar sheath 106, and said metallic pin 105 also is sleeved in the said trocar sheath 106.Wherein, said metallic pin 105 is very tiny draw points

Through extremity foreign body position, B ultrasonic noinvasive guiding location, insert with foreign body position, location with metallic pin 105 earlier before the orthopaedic surgical operations operation, inserttrocar sheath 106 along guide pin 105 then; At this moment guide pin 105 is outside in thesleeve pipe 106; Extract guide pin 105 then,,extract trocar sheath 106 then at the location guide pin that inserts the fixing limbs foreign body along trocarsheath 106 the insides; Under the guide pin stationary state of the location of fixing limbs foreign body; Upwards draw steel wire, the needle point of the location guide pin of fixing limbs foreign body expands to both sides to be opened, and forms fixing with foreign body in vivo.Accurately take out foreign body in the location with convenient operation.

More than the location guide pin of a kind of fixing limbs foreign body that this utility model embodiment is provided carried out detailed introduction; For one of ordinary skill in the art; Thought according to this utility model embodiment; The part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to this utility model.

Claims (3)

1. the location guide pin of a fixing limbs foreign body is characterized in that, comprising: hollow needle; The both sides of the front end of the needle point of said hollow needle are provided with opening; The front end of said needle point also is equipped with a dilator, and said dilator also is connected with steel wire, and said steel wire passes said hollow needle.

2. the location guide pin of fixing limbs foreign body according to claim 1 is characterized in that also comprise metallic pin and trocar sheath, wherein, said hollow needle is sleeved in the said trocar sheath, and said metallic pin also is sleeved in the said trocar sheath.

3. the location guide pin of fixing limbs foreign body according to claim 1 or claim 2 is characterized in that said dilator is spherosome or cone.

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